[ 50.075477][ T365] ip (365) used greatest stack depth: 23504 bytes left [ 54.810893][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 54.811621][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 54.811621][ T10] netdev_get_by_index+0x5e/0x80 [ 54.811621][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.811621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.811621][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.811621][ T10] ipv6_add_addr+0x411/0x2000 [ 54.811621][ T10] inet6_addr_add+0x30e/0xa40 [ 54.811621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.811621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.811621][ T10] netlink_rcv_skb+0x130/0x360 [ 54.811621][ T10] netlink_unicast+0x449/0x710 [ 54.811621][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.811621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.811621][ T10] ___sys_sendmsg+0xee/0x170 [ 54.811621][ T10] __sys_sendmsg+0xcd/0x170 [ 54.811621][ T10] do_syscall_64+0xc6/0x1e0 [ 54.811621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.811621][ T10] [ 54.815360][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 54.815360][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.815360][ T10] ipv6_find_idev+0x102/0x170 [ 54.815360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.815360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.815360][ T10] netlink_rcv_skb+0x130/0x360 [ 54.815360][ T10] netlink_unicast+0x449/0x710 [ 54.815360][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.815360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.815360][ T10] ___sys_sendmsg+0xee/0x170 [ 54.815360][ T10] __sys_sendmsg+0xcd/0x170 [ 54.815360][ T10] do_syscall_64+0xc6/0x1e0 [ 54.815360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.815360][ T10] [ 54.817209][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 54.817209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.817209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.817209][ T10] ipv6_find_idev+0x102/0x170 [ 54.817209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.817209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.817209][ T10] netlink_rcv_skb+0x130/0x360 [ 54.817209][ T10] netlink_unicast+0x449/0x710 [ 54.817209][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.817209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.817209][ T10] ___sys_sendmsg+0xee/0x170 [ 54.817209][ T10] __sys_sendmsg+0xcd/0x170 [ 54.817209][ T10] do_syscall_64+0xc6/0x1e0 [ 54.817209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.817209][ T10] [ 54.818895][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 54.819460][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 54.819460][ T10] netdev_get_by_index+0x5e/0x80 [ 54.819460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.819460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.819460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.819460][ T10] ipv6_add_addr+0x411/0x2000 [ 54.819460][ T10] inet6_addr_add+0x30e/0xa40 [ 54.819460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.819460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.819460][ T10] netlink_rcv_skb+0x130/0x360 [ 54.819460][ T10] netlink_unicast+0x449/0x710 [ 54.819460][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.819460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.819460][ T10] ___sys_sendmsg+0xee/0x170 [ 54.819460][ T10] __sys_sendmsg+0xcd/0x170 [ 54.819460][ T10] do_syscall_64+0xc6/0x1e0 [ 54.819460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.819460][ T10] [ 54.821535][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 54.821535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.821535][ T10] ipv6_find_idev+0x102/0x170 [ 54.821535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.821535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.821535][ T10] netlink_rcv_skb+0x130/0x360 [ 54.821535][ T10] netlink_unicast+0x449/0x710 [ 54.821535][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.821535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.821535][ T10] ___sys_sendmsg+0xee/0x170 [ 54.821535][ T10] __sys_sendmsg+0xcd/0x170 [ 54.821535][ T10] do_syscall_64+0xc6/0x1e0 [ 54.821535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.821535][ T10] [ 54.823150][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 54.823150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.823150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.823150][ T10] ipv6_find_idev+0x102/0x170 [ 54.823150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.823150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.823150][ T10] netlink_rcv_skb+0x130/0x360 [ 54.823150][ T10] netlink_unicast+0x449/0x710 [ 54.823150][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.823150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.823150][ T10] ___sys_sendmsg+0xee/0x170 [ 54.823150][ T10] __sys_sendmsg+0xcd/0x170 [ 54.823150][ T10] do_syscall_64+0xc6/0x1e0 [ 54.823150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.823150][ T10] [ 54.824917][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 54.825196][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 54.825196][ T10] netdev_get_by_index+0x5e/0x80 [ 54.825196][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.825196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.825196][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.825196][ T10] ipv6_add_addr+0x411/0x2000 [ 54.825196][ T10] inet6_addr_add+0x30e/0xa40 [ 54.825196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.825196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.825196][ T10] netlink_rcv_skb+0x130/0x360 [ 54.825196][ T10] netlink_unicast+0x449/0x710 [ 54.825196][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.825196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.825196][ T10] ___sys_sendmsg+0xee/0x170 [ 54.825196][ T10] __sys_sendmsg+0xcd/0x170 [ 54.825196][ T10] do_syscall_64+0xc6/0x1e0 [ 54.825196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.825196][ T10] [ 54.827306][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 54.827306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.827306][ T10] ipv6_find_idev+0x102/0x170 [ 54.827306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.827306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.827306][ T10] netlink_rcv_skb+0x130/0x360 [ 54.827306][ T10] netlink_unicast+0x449/0x710 [ 54.827306][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.827306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.827306][ T10] ___sys_sendmsg+0xee/0x170 [ 54.827306][ T10] __sys_sendmsg+0xcd/0x170 [ 54.827306][ T10] do_syscall_64+0xc6/0x1e0 [ 54.827306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.827306][ T10] [ 54.828878][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 54.828878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.828878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.828878][ T10] ipv6_find_idev+0x102/0x170 [ 54.828878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.828878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.828878][ T10] netlink_rcv_skb+0x130/0x360 [ 54.828878][ T10] netlink_unicast+0x449/0x710 [ 54.828878][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.828878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.828878][ T10] ___sys_sendmsg+0xee/0x170 [ 54.828878][ T10] __sys_sendmsg+0xcd/0x170 [ 54.828878][ T10] do_syscall_64+0xc6/0x1e0 [ 54.828878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.828878][ T10] [ 54.830606][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 54.830887][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 54.830887][ T10] netdev_get_by_index+0x5e/0x80 [ 54.830887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.830887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.830887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.830887][ T10] ipv6_add_addr+0x411/0x2000 [ 54.830887][ T10] inet6_addr_add+0x30e/0xa40 [ 54.830887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.830887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.830887][ T10] netlink_rcv_skb+0x130/0x360 [ 54.830887][ T10] netlink_unicast+0x449/0x710 [ 54.830887][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.830887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.830887][ T10] ___sys_sendmsg+0xee/0x170 [ 54.830887][ T10] __sys_sendmsg+0xcd/0x170 [ 54.830887][ T10] do_syscall_64+0xc6/0x1e0 [ 54.830887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.830887][ T10] [ 54.833149][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 54.833149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.833149][ T10] ipv6_find_idev+0x102/0x170 [ 54.833149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.833149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.833149][ T10] netlink_rcv_skb+0x130/0x360 [ 54.833149][ T10] netlink_unicast+0x449/0x710 [ 54.833149][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.833149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.833149][ T10] ___sys_sendmsg+0xee/0x170 [ 54.833149][ T10] __sys_sendmsg+0xcd/0x170 [ 54.833149][ T10] do_syscall_64+0xc6/0x1e0 [ 54.833149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.833149][ T10] [ 54.835759][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 54.835759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.835759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.835759][ T10] ipv6_find_idev+0x102/0x170 [ 54.835759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.835759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.835759][ T10] netlink_rcv_skb+0x130/0x360 [ 54.835759][ T10] netlink_unicast+0x449/0x710 [ 54.835759][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.835759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.835759][ T10] ___sys_sendmsg+0xee/0x170 [ 54.835759][ T10] __sys_sendmsg+0xcd/0x170 [ 54.835759][ T10] do_syscall_64+0xc6/0x1e0 [ 54.835759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.835759][ T10] [ 54.839435][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 54.839876][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 54.839876][ T10] netdev_get_by_index+0x5e/0x80 [ 54.839876][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.839876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.839876][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.839876][ T10] ipv6_add_addr+0x411/0x2000 [ 54.839876][ T10] inet6_addr_add+0x30e/0xa40 [ 54.839876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.839876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.839876][ T10] netlink_rcv_skb+0x130/0x360 [ 54.839876][ T10] netlink_unicast+0x449/0x710 [ 54.839876][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.839876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.839876][ T10] ___sys_sendmsg+0xee/0x170 [ 54.839876][ T10] __sys_sendmsg+0xcd/0x170 [ 54.839876][ T10] do_syscall_64+0xc6/0x1e0 [ 54.839876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.839876][ T10] [ 54.843195][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 54.843195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.843195][ T10] ipv6_find_idev+0x102/0x170 [ 54.843195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.843195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.843195][ T10] netlink_rcv_skb+0x130/0x360 [ 54.843195][ T10] netlink_unicast+0x449/0x710 [ 54.843195][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.843195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.843195][ T10] ___sys_sendmsg+0xee/0x170 [ 54.843195][ T10] __sys_sendmsg+0xcd/0x170 [ 54.843195][ T10] do_syscall_64+0xc6/0x1e0 [ 54.843195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.843195][ T10] [ 54.845742][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 54.845742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.845742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.845742][ T10] ipv6_find_idev+0x102/0x170 [ 54.845742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.845742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.845742][ T10] netlink_rcv_skb+0x130/0x360 [ 54.845742][ T10] netlink_unicast+0x449/0x710 [ 54.845742][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.845742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.845742][ T10] ___sys_sendmsg+0xee/0x170 [ 54.845742][ T10] __sys_sendmsg+0xcd/0x170 [ 54.845742][ T10] do_syscall_64+0xc6/0x1e0 [ 54.845742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.845742][ T10] [ 54.847952][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 54.848382][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 54.848382][ T10] netdev_get_by_index+0x5e/0x80 [ 54.848382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.848382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.848382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.848382][ T10] ipv6_add_addr+0x411/0x2000 [ 54.848382][ T10] inet6_addr_add+0x30e/0xa40 [ 54.848382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.848382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.848382][ T10] netlink_rcv_skb+0x130/0x360 [ 54.848382][ T10] netlink_unicast+0x449/0x710 [ 54.848382][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.848382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.848382][ T10] ___sys_sendmsg+0xee/0x170 [ 54.848382][ T10] __sys_sendmsg+0xcd/0x170 [ 54.848382][ T10] do_syscall_64+0xc6/0x1e0 [ 54.848382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.848382][ T10] [ 54.850523][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 54.850523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.850523][ T10] ipv6_find_idev+0x102/0x170 [ 54.850523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.850523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.850523][ T10] netlink_rcv_skb+0x130/0x360 [ 54.850523][ T10] netlink_unicast+0x449/0x710 [ 54.850523][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.850523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.850523][ T10] ___sys_sendmsg+0xee/0x170 [ 54.850523][ T10] __sys_sendmsg+0xcd/0x170 [ 54.850523][ T10] do_syscall_64+0xc6/0x1e0 [ 54.850523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.850523][ T10] [ 54.852227][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 54.852227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.852227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.852227][ T10] ipv6_find_idev+0x102/0x170 [ 54.852227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.852227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.852227][ T10] netlink_rcv_skb+0x130/0x360 [ 54.852227][ T10] netlink_unicast+0x449/0x710 [ 54.852227][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.852227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.852227][ T10] ___sys_sendmsg+0xee/0x170 [ 54.852227][ T10] __sys_sendmsg+0xcd/0x170 [ 54.852227][ T10] do_syscall_64+0xc6/0x1e0 [ 54.852227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.852227][ T10] [ 54.854144][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 54.854429][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 54.854429][ T10] netdev_get_by_index+0x5e/0x80 [ 54.854429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.854429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.854429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.854429][ T10] ipv6_add_addr+0x411/0x2000 [ 54.854429][ T10] inet6_addr_add+0x30e/0xa40 [ 54.854429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.854429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.854429][ T10] netlink_rcv_skb+0x130/0x360 [ 54.854429][ T10] netlink_unicast+0x449/0x710 [ 54.854429][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.854429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.854429][ T10] ___sys_sendmsg+0xee/0x170 [ 54.854429][ T10] __sys_sendmsg+0xcd/0x170 [ 54.854429][ T10] do_syscall_64+0xc6/0x1e0 [ 54.854429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.854429][ T10] [ 54.856722][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 54.856722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.856722][ T10] ipv6_find_idev+0x102/0x170 [ 54.856722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.856722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.856722][ T10] netlink_rcv_skb+0x130/0x360 [ 54.856722][ T10] netlink_unicast+0x449/0x710 [ 54.856722][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.856722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.856722][ T10] ___sys_sendmsg+0xee/0x170 [ 54.856722][ T10] __sys_sendmsg+0xcd/0x170 [ 54.856722][ T10] do_syscall_64+0xc6/0x1e0 [ 54.856722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.856722][ T10] [ 54.858440][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 54.858440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.858440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.858440][ T10] ipv6_find_idev+0x102/0x170 [ 54.858440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.858440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.858440][ T10] netlink_rcv_skb+0x130/0x360 [ 54.858440][ T10] netlink_unicast+0x449/0x710 [ 54.858440][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.858440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.858440][ T10] ___sys_sendmsg+0xee/0x170 [ 54.858440][ T10] __sys_sendmsg+0xcd/0x170 [ 54.858440][ T10] do_syscall_64+0xc6/0x1e0 [ 54.858440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.858440][ T10] [ 54.860333][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 54.860662][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 54.860662][ T10] netdev_get_by_index+0x5e/0x80 [ 54.860662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 54.860662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 54.860662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 54.860662][ T10] ipv6_add_addr+0x411/0x2000 [ 54.860662][ T10] inet6_addr_add+0x30e/0xa40 [ 54.860662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 54.860662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.860662][ T10] netlink_rcv_skb+0x130/0x360 [ 54.860662][ T10] netlink_unicast+0x449/0x710 [ 54.860662][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.860662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.860662][ T10] ___sys_sendmsg+0xee/0x170 [ 54.860662][ T10] __sys_sendmsg+0xcd/0x170 [ 54.860662][ T10] do_syscall_64+0xc6/0x1e0 [ 54.860662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.860662][ T10] [ 54.862936][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 54.862936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 54.862936][ T10] ipv6_find_idev+0x102/0x170 [ 54.862936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.862936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.862936][ T10] netlink_rcv_skb+0x130/0x360 [ 54.862936][ T10] netlink_unicast+0x449/0x710 [ 54.862936][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.862936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.862936][ T10] ___sys_sendmsg+0xee/0x170 [ 54.862936][ T10] __sys_sendmsg+0xcd/0x170 [ 54.862936][ T10] do_syscall_64+0xc6/0x1e0 [ 54.862936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.862936][ T10] [ 54.864797][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 54.864797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 54.864797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 54.864797][ T10] ipv6_find_idev+0x102/0x170 [ 54.864797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 54.864797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 54.864797][ T10] netlink_rcv_skb+0x130/0x360 [ 54.864797][ T10] netlink_unicast+0x449/0x710 [ 54.864797][ T10] netlink_sendmsg+0x723/0xbe0 [ 54.864797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 54.864797][ T10] ___sys_sendmsg+0xee/0x170 [ 54.864797][ T10] __sys_sendmsg+0xcd/0x170 [ 54.864797][ T10] do_syscall_64+0xc6/0x1e0 [ 54.864797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 54.864797][ T10] [ 64.954886][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 64.955259][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 64.955259][ T10] netdev_get_by_index+0x5e/0x80 [ 64.955259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.955259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.955259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.955259][ T10] ipv6_add_addr+0x411/0x2000 [ 64.955259][ T10] inet6_addr_add+0x30e/0xa40 [ 64.955259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.955259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.955259][ T10] netlink_rcv_skb+0x130/0x360 [ 64.955259][ T10] netlink_unicast+0x449/0x710 [ 64.955259][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.955259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.955259][ T10] ___sys_sendmsg+0xee/0x170 [ 64.955259][ T10] __sys_sendmsg+0xcd/0x170 [ 64.955259][ T10] do_syscall_64+0xc6/0x1e0 [ 64.955259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.955259][ T10] [ 64.957323][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 64.957323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.957323][ T10] ipv6_find_idev+0x102/0x170 [ 64.957323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.957323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.957323][ T10] netlink_rcv_skb+0x130/0x360 [ 64.957323][ T10] netlink_unicast+0x449/0x710 [ 64.957323][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.957323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.957323][ T10] ___sys_sendmsg+0xee/0x170 [ 64.957323][ T10] __sys_sendmsg+0xcd/0x170 [ 64.957323][ T10] do_syscall_64+0xc6/0x1e0 [ 64.957323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.957323][ T10] [ 64.958931][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 64.958931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 64.958931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 64.958931][ T10] ipv6_find_idev+0x102/0x170 [ 64.958931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.958931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.958931][ T10] netlink_rcv_skb+0x130/0x360 [ 64.958931][ T10] netlink_unicast+0x449/0x710 [ 64.958931][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.958931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.958931][ T10] ___sys_sendmsg+0xee/0x170 [ 64.958931][ T10] __sys_sendmsg+0xcd/0x170 [ 64.958931][ T10] do_syscall_64+0xc6/0x1e0 [ 64.958931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.958931][ T10] [ 64.960967][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 64.961251][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 64.961251][ T10] netdev_get_by_index+0x5e/0x80 [ 64.961251][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.961251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.961251][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.961251][ T10] ipv6_add_addr+0x411/0x2000 [ 64.961251][ T10] inet6_addr_add+0x30e/0xa40 [ 64.961251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.961251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.961251][ T10] netlink_rcv_skb+0x130/0x360 [ 64.961251][ T10] netlink_unicast+0x449/0x710 [ 64.961251][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.961251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.961251][ T10] ___sys_sendmsg+0xee/0x170 [ 64.961251][ T10] __sys_sendmsg+0xcd/0x170 [ 64.961251][ T10] do_syscall_64+0xc6/0x1e0 [ 64.961251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.961251][ T10] [ 64.963304][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 64.963304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.963304][ T10] ipv6_find_idev+0x102/0x170 [ 64.963304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.963304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.963304][ T10] netlink_rcv_skb+0x130/0x360 [ 64.963304][ T10] netlink_unicast+0x449/0x710 [ 64.963304][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.963304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.963304][ T10] ___sys_sendmsg+0xee/0x170 [ 64.963304][ T10] __sys_sendmsg+0xcd/0x170 [ 64.963304][ T10] do_syscall_64+0xc6/0x1e0 [ 64.963304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.963304][ T10] [ 64.964944][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 64.964944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 64.964944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 64.964944][ T10] ipv6_find_idev+0x102/0x170 [ 64.964944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.964944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.964944][ T10] netlink_rcv_skb+0x130/0x360 [ 64.964944][ T10] netlink_unicast+0x449/0x710 [ 64.964944][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.964944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.964944][ T10] ___sys_sendmsg+0xee/0x170 [ 64.964944][ T10] __sys_sendmsg+0xcd/0x170 [ 64.964944][ T10] do_syscall_64+0xc6/0x1e0 [ 64.964944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.964944][ T10] [ 64.966710][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 64.967004][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 64.967004][ T10] netdev_get_by_index+0x5e/0x80 [ 64.967004][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.967004][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.967004][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.967004][ T10] ipv6_add_addr+0x411/0x2000 [ 64.967004][ T10] inet6_addr_add+0x30e/0xa40 [ 64.967004][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.967004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.967004][ T10] netlink_rcv_skb+0x130/0x360 [ 64.967004][ T10] netlink_unicast+0x449/0x710 [ 64.967004][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.967004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.967004][ T10] ___sys_sendmsg+0xee/0x170 [ 64.967004][ T10] __sys_sendmsg+0xcd/0x170 [ 64.967004][ T10] do_syscall_64+0xc6/0x1e0 [ 64.967004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.967004][ T10] [ 64.969059][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 64.969059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.969059][ T10] ipv6_find_idev+0x102/0x170 [ 64.969059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.969059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.969059][ T10] netlink_rcv_skb+0x130/0x360 [ 64.969059][ T10] netlink_unicast+0x449/0x710 [ 64.969059][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.969059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.969059][ T10] ___sys_sendmsg+0xee/0x170 [ 64.969059][ T10] __sys_sendmsg+0xcd/0x170 [ 64.969059][ T10] do_syscall_64+0xc6/0x1e0 [ 64.969059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.969059][ T10] [ 64.970738][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 64.970738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 64.970738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 64.970738][ T10] ipv6_find_idev+0x102/0x170 [ 64.970738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.970738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.970738][ T10] netlink_rcv_skb+0x130/0x360 [ 64.970738][ T10] netlink_unicast+0x449/0x710 [ 64.970738][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.970738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.970738][ T10] ___sys_sendmsg+0xee/0x170 [ 64.970738][ T10] __sys_sendmsg+0xcd/0x170 [ 64.970738][ T10] do_syscall_64+0xc6/0x1e0 [ 64.970738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.970738][ T10] [ 64.972639][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 64.973041][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 64.973041][ T10] netdev_get_by_index+0x5e/0x80 [ 64.973041][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.973041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.973041][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.973041][ T10] ipv6_add_addr+0x411/0x2000 [ 64.973041][ T10] inet6_addr_add+0x30e/0xa40 [ 64.973041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.973041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.973041][ T10] netlink_rcv_skb+0x130/0x360 [ 64.973041][ T10] netlink_unicast+0x449/0x710 [ 64.973041][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.973041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.973041][ T10] ___sys_sendmsg+0xee/0x170 [ 64.973041][ T10] __sys_sendmsg+0xcd/0x170 [ 64.973041][ T10] do_syscall_64+0xc6/0x1e0 [ 64.973041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.973041][ T10] [ 64.975355][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 64.975355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.975355][ T10] ipv6_find_idev+0x102/0x170 [ 64.975355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.975355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.975355][ T10] netlink_rcv_skb+0x130/0x360 [ 64.975355][ T10] netlink_unicast+0x449/0x710 [ 64.975355][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.975355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.975355][ T10] ___sys_sendmsg+0xee/0x170 [ 64.975355][ T10] __sys_sendmsg+0xcd/0x170 [ 64.975355][ T10] do_syscall_64+0xc6/0x1e0 [ 64.975355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.975355][ T10] [ 64.976972][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 64.976972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 64.976972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 64.976972][ T10] ipv6_find_idev+0x102/0x170 [ 64.976972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.976972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.976972][ T10] netlink_rcv_skb+0x130/0x360 [ 64.976972][ T10] netlink_unicast+0x449/0x710 [ 64.976972][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.976972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.976972][ T10] ___sys_sendmsg+0xee/0x170 [ 64.976972][ T10] __sys_sendmsg+0xcd/0x170 [ 64.976972][ T10] do_syscall_64+0xc6/0x1e0 [ 64.976972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.976972][ T10] [ 64.979170][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 64.979495][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 64.979495][ T10] netdev_get_by_index+0x5e/0x80 [ 64.979495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.979495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.979495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.979495][ T10] ipv6_add_addr+0x411/0x2000 [ 64.979495][ T10] inet6_addr_add+0x30e/0xa40 [ 64.979495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.979495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.979495][ T10] netlink_rcv_skb+0x130/0x360 [ 64.979495][ T10] netlink_unicast+0x449/0x710 [ 64.979495][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.979495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.979495][ T10] ___sys_sendmsg+0xee/0x170 [ 64.979495][ T10] __sys_sendmsg+0xcd/0x170 [ 64.979495][ T10] do_syscall_64+0xc6/0x1e0 [ 64.979495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.979495][ T10] [ 64.981522][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 64.981522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.981522][ T10] ipv6_find_idev+0x102/0x170 [ 64.981522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.981522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.981522][ T10] netlink_rcv_skb+0x130/0x360 [ 64.981522][ T10] netlink_unicast+0x449/0x710 [ 64.981522][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.981522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.981522][ T10] ___sys_sendmsg+0xee/0x170 [ 64.981522][ T10] __sys_sendmsg+0xcd/0x170 [ 64.981522][ T10] do_syscall_64+0xc6/0x1e0 [ 64.981522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.981522][ T10] [ 64.983379][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 64.983379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 64.983379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 64.983379][ T10] ipv6_find_idev+0x102/0x170 [ 64.983379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.983379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.983379][ T10] netlink_rcv_skb+0x130/0x360 [ 64.983379][ T10] netlink_unicast+0x449/0x710 [ 64.983379][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.983379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.983379][ T10] ___sys_sendmsg+0xee/0x170 [ 64.983379][ T10] __sys_sendmsg+0xcd/0x170 [ 64.983379][ T10] do_syscall_64+0xc6/0x1e0 [ 64.983379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.983379][ T10] [ 64.985361][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 64.985698][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 64.985698][ T10] netdev_get_by_index+0x5e/0x80 [ 64.985698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.985698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.985698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.985698][ T10] ipv6_add_addr+0x411/0x2000 [ 64.985698][ T10] inet6_addr_add+0x30e/0xa40 [ 64.985698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.985698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.985698][ T10] netlink_rcv_skb+0x130/0x360 [ 64.985698][ T10] netlink_unicast+0x449/0x710 [ 64.985698][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.985698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.985698][ T10] ___sys_sendmsg+0xee/0x170 [ 64.985698][ T10] __sys_sendmsg+0xcd/0x170 [ 64.985698][ T10] do_syscall_64+0xc6/0x1e0 [ 64.985698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.985698][ T10] [ 64.987829][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 64.987829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.987829][ T10] ipv6_find_idev+0x102/0x170 [ 64.987829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.987829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.987829][ T10] netlink_rcv_skb+0x130/0x360 [ 64.987829][ T10] netlink_unicast+0x449/0x710 [ 64.987829][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.987829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.987829][ T10] ___sys_sendmsg+0xee/0x170 [ 64.987829][ T10] __sys_sendmsg+0xcd/0x170 [ 64.987829][ T10] do_syscall_64+0xc6/0x1e0 [ 64.987829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.987829][ T10] [ 64.989397][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 64.989397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 64.989397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 64.989397][ T10] ipv6_find_idev+0x102/0x170 [ 64.989397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.989397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.989397][ T10] netlink_rcv_skb+0x130/0x360 [ 64.989397][ T10] netlink_unicast+0x449/0x710 [ 64.989397][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.989397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.989397][ T10] ___sys_sendmsg+0xee/0x170 [ 64.989397][ T10] __sys_sendmsg+0xcd/0x170 [ 64.989397][ T10] do_syscall_64+0xc6/0x1e0 [ 64.989397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.989397][ T10] [ 64.991343][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 64.991661][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 64.991661][ T10] netdev_get_by_index+0x5e/0x80 [ 64.991661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.991661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.991661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.991661][ T10] ipv6_add_addr+0x411/0x2000 [ 64.991661][ T10] inet6_addr_add+0x30e/0xa40 [ 64.991661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.991661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.991661][ T10] netlink_rcv_skb+0x130/0x360 [ 64.991661][ T10] netlink_unicast+0x449/0x710 [ 64.991661][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.991661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.991661][ T10] ___sys_sendmsg+0xee/0x170 [ 64.991661][ T10] __sys_sendmsg+0xcd/0x170 [ 64.991661][ T10] do_syscall_64+0xc6/0x1e0 [ 64.991661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.991661][ T10] [ 64.993774][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 64.993774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.993774][ T10] ipv6_find_idev+0x102/0x170 [ 64.993774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.993774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.993774][ T10] netlink_rcv_skb+0x130/0x360 [ 64.993774][ T10] netlink_unicast+0x449/0x710 [ 64.993774][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.993774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.993774][ T10] ___sys_sendmsg+0xee/0x170 [ 64.993774][ T10] __sys_sendmsg+0xcd/0x170 [ 64.993774][ T10] do_syscall_64+0xc6/0x1e0 [ 64.993774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.993774][ T10] [ 64.995479][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 64.995479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 64.995479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 64.995479][ T10] ipv6_find_idev+0x102/0x170 [ 64.995479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.995479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.995479][ T10] netlink_rcv_skb+0x130/0x360 [ 64.995479][ T10] netlink_unicast+0x449/0x710 [ 64.995479][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.995479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.995479][ T10] ___sys_sendmsg+0xee/0x170 [ 64.995479][ T10] __sys_sendmsg+0xcd/0x170 [ 64.995479][ T10] do_syscall_64+0xc6/0x1e0 [ 64.995479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.995479][ T10] [ 64.997480][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 64.997793][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 64.997793][ T10] netdev_get_by_index+0x5e/0x80 [ 64.997793][ T10] fib6_nh_init+0x3d8/0x15b0 [ 64.997793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 64.997793][ T10] addrconf_f6i_alloc+0x244/0x410 [ 64.997793][ T10] ipv6_add_addr+0x411/0x2000 [ 64.997793][ T10] inet6_addr_add+0x30e/0xa40 [ 64.997793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 64.997793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.997793][ T10] netlink_rcv_skb+0x130/0x360 [ 64.997793][ T10] netlink_unicast+0x449/0x710 [ 64.997793][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.997793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.997793][ T10] ___sys_sendmsg+0xee/0x170 [ 64.997793][ T10] __sys_sendmsg+0xcd/0x170 [ 64.997793][ T10] do_syscall_64+0xc6/0x1e0 [ 64.997793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.997793][ T10] [ 64.999985][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 64.999985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 64.999985][ T10] ipv6_find_idev+0x102/0x170 [ 64.999985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 64.999985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 64.999985][ T10] netlink_rcv_skb+0x130/0x360 [ 64.999985][ T10] netlink_unicast+0x449/0x710 [ 64.999985][ T10] netlink_sendmsg+0x723/0xbe0 [ 64.999985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 64.999985][ T10] ___sys_sendmsg+0xee/0x170 [ 64.999985][ T10] __sys_sendmsg+0xcd/0x170 [ 64.999985][ T10] do_syscall_64+0xc6/0x1e0 [ 64.999985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 64.999985][ T10] [ 65.001635][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 65.001635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 65.001635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 65.001635][ T10] ipv6_find_idev+0x102/0x170 [ 65.001635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 65.001635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 65.001635][ T10] netlink_rcv_skb+0x130/0x360 [ 65.001635][ T10] netlink_unicast+0x449/0x710 [ 65.001635][ T10] netlink_sendmsg+0x723/0xbe0 [ 65.001635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 65.001635][ T10] ___sys_sendmsg+0xee/0x170 [ 65.001635][ T10] __sys_sendmsg+0xcd/0x170 [ 65.001635][ T10] do_syscall_64+0xc6/0x1e0 [ 65.001635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 65.001635][ T10] [ 75.114882][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 75.115249][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 75.115249][ T10] netdev_get_by_index+0x5e/0x80 [ 75.115249][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.115249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.115249][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.115249][ T10] ipv6_add_addr+0x411/0x2000 [ 75.115249][ T10] inet6_addr_add+0x30e/0xa40 [ 75.115249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.115249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.115249][ T10] netlink_rcv_skb+0x130/0x360 [ 75.115249][ T10] netlink_unicast+0x449/0x710 [ 75.115249][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.115249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.115249][ T10] ___sys_sendmsg+0xee/0x170 [ 75.115249][ T10] __sys_sendmsg+0xcd/0x170 [ 75.115249][ T10] do_syscall_64+0xc6/0x1e0 [ 75.115249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.115249][ T10] [ 75.117528][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 75.117528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.117528][ T10] ipv6_find_idev+0x102/0x170 [ 75.117528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.117528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.117528][ T10] netlink_rcv_skb+0x130/0x360 [ 75.117528][ T10] netlink_unicast+0x449/0x710 [ 75.117528][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.117528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.117528][ T10] ___sys_sendmsg+0xee/0x170 [ 75.117528][ T10] __sys_sendmsg+0xcd/0x170 [ 75.117528][ T10] do_syscall_64+0xc6/0x1e0 [ 75.117528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.117528][ T10] [ 75.119123][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 75.119123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.119123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.119123][ T10] ipv6_find_idev+0x102/0x170 [ 75.119123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.119123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.119123][ T10] netlink_rcv_skb+0x130/0x360 [ 75.119123][ T10] netlink_unicast+0x449/0x710 [ 75.119123][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.119123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.119123][ T10] ___sys_sendmsg+0xee/0x170 [ 75.119123][ T10] __sys_sendmsg+0xcd/0x170 [ 75.119123][ T10] do_syscall_64+0xc6/0x1e0 [ 75.119123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.119123][ T10] [ 75.121052][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 75.121358][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 75.121358][ T10] netdev_get_by_index+0x5e/0x80 [ 75.121358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.121358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.121358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.121358][ T10] ipv6_add_addr+0x411/0x2000 [ 75.121358][ T10] inet6_addr_add+0x30e/0xa40 [ 75.121358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.121358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.121358][ T10] netlink_rcv_skb+0x130/0x360 [ 75.121358][ T10] netlink_unicast+0x449/0x710 [ 75.121358][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.121358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.121358][ T10] ___sys_sendmsg+0xee/0x170 [ 75.121358][ T10] __sys_sendmsg+0xcd/0x170 [ 75.121358][ T10] do_syscall_64+0xc6/0x1e0 [ 75.121358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.121358][ T10] [ 75.123468][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 75.123468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.123468][ T10] ipv6_find_idev+0x102/0x170 [ 75.123468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.123468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.123468][ T10] netlink_rcv_skb+0x130/0x360 [ 75.123468][ T10] netlink_unicast+0x449/0x710 [ 75.123468][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.123468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.123468][ T10] ___sys_sendmsg+0xee/0x170 [ 75.123468][ T10] __sys_sendmsg+0xcd/0x170 [ 75.123468][ T10] do_syscall_64+0xc6/0x1e0 [ 75.123468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.123468][ T10] [ 75.125054][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 75.125054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.125054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.125054][ T10] ipv6_find_idev+0x102/0x170 [ 75.125054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.125054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.125054][ T10] netlink_rcv_skb+0x130/0x360 [ 75.125054][ T10] netlink_unicast+0x449/0x710 [ 75.125054][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.125054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.125054][ T10] ___sys_sendmsg+0xee/0x170 [ 75.125054][ T10] __sys_sendmsg+0xcd/0x170 [ 75.125054][ T10] do_syscall_64+0xc6/0x1e0 [ 75.125054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.125054][ T10] [ 75.126855][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 75.127135][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 75.127135][ T10] netdev_get_by_index+0x5e/0x80 [ 75.127135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.127135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.127135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.127135][ T10] ipv6_add_addr+0x411/0x2000 [ 75.127135][ T10] inet6_addr_add+0x30e/0xa40 [ 75.127135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.127135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.127135][ T10] netlink_rcv_skb+0x130/0x360 [ 75.127135][ T10] netlink_unicast+0x449/0x710 [ 75.127135][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.127135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.127135][ T10] ___sys_sendmsg+0xee/0x170 [ 75.127135][ T10] __sys_sendmsg+0xcd/0x170 [ 75.127135][ T10] do_syscall_64+0xc6/0x1e0 [ 75.127135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.127135][ T10] [ 75.129388][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 75.129388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.129388][ T10] ipv6_find_idev+0x102/0x170 [ 75.129388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.129388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.129388][ T10] netlink_rcv_skb+0x130/0x360 [ 75.129388][ T10] netlink_unicast+0x449/0x710 [ 75.129388][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.129388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.129388][ T10] ___sys_sendmsg+0xee/0x170 [ 75.129388][ T10] __sys_sendmsg+0xcd/0x170 [ 75.129388][ T10] do_syscall_64+0xc6/0x1e0 [ 75.129388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.129388][ T10] [ 75.131328][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 75.131328][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.131328][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.131328][ T10] ipv6_find_idev+0x102/0x170 [ 75.131328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.131328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.131328][ T10] netlink_rcv_skb+0x130/0x360 [ 75.131328][ T10] netlink_unicast+0x449/0x710 [ 75.131328][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.131328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.131328][ T10] ___sys_sendmsg+0xee/0x170 [ 75.131328][ T10] __sys_sendmsg+0xcd/0x170 [ 75.131328][ T10] do_syscall_64+0xc6/0x1e0 [ 75.131328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.131328][ T10] [ 75.133316][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 75.133599][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 75.133599][ T10] netdev_get_by_index+0x5e/0x80 [ 75.133599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.133599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.133599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.133599][ T10] ipv6_add_addr+0x411/0x2000 [ 75.133599][ T10] inet6_addr_add+0x30e/0xa40 [ 75.133599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.133599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.133599][ T10] netlink_rcv_skb+0x130/0x360 [ 75.133599][ T10] netlink_unicast+0x449/0x710 [ 75.133599][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.133599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.133599][ T10] ___sys_sendmsg+0xee/0x170 [ 75.133599][ T10] __sys_sendmsg+0xcd/0x170 [ 75.133599][ T10] do_syscall_64+0xc6/0x1e0 [ 75.133599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.133599][ T10] [ 75.135929][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 75.135929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.135929][ T10] ipv6_find_idev+0x102/0x170 [ 75.135929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.135929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.135929][ T10] netlink_rcv_skb+0x130/0x360 [ 75.135929][ T10] netlink_unicast+0x449/0x710 [ 75.135929][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.135929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.135929][ T10] ___sys_sendmsg+0xee/0x170 [ 75.135929][ T10] __sys_sendmsg+0xcd/0x170 [ 75.135929][ T10] do_syscall_64+0xc6/0x1e0 [ 75.135929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.135929][ T10] [ 75.137630][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 75.137630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.137630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.137630][ T10] ipv6_find_idev+0x102/0x170 [ 75.137630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.137630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.137630][ T10] netlink_rcv_skb+0x130/0x360 [ 75.137630][ T10] netlink_unicast+0x449/0x710 [ 75.137630][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.137630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.137630][ T10] ___sys_sendmsg+0xee/0x170 [ 75.137630][ T10] __sys_sendmsg+0xcd/0x170 [ 75.137630][ T10] do_syscall_64+0xc6/0x1e0 [ 75.137630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.137630][ T10] [ 75.139472][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 75.139964][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 75.139964][ T10] netdev_get_by_index+0x5e/0x80 [ 75.139964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.139964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.139964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.139964][ T10] ipv6_add_addr+0x411/0x2000 [ 75.139964][ T10] inet6_addr_add+0x30e/0xa40 [ 75.139964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.139964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.139964][ T10] netlink_rcv_skb+0x130/0x360 [ 75.139964][ T10] netlink_unicast+0x449/0x710 [ 75.139964][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.139964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.139964][ T10] ___sys_sendmsg+0xee/0x170 [ 75.139964][ T10] __sys_sendmsg+0xcd/0x170 [ 75.139964][ T10] do_syscall_64+0xc6/0x1e0 [ 75.139964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.139964][ T10] [ 75.143293][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 75.143293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.143293][ T10] ipv6_find_idev+0x102/0x170 [ 75.143293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.143293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.143293][ T10] netlink_rcv_skb+0x130/0x360 [ 75.143293][ T10] netlink_unicast+0x449/0x710 [ 75.143293][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.143293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.143293][ T10] ___sys_sendmsg+0xee/0x170 [ 75.143293][ T10] __sys_sendmsg+0xcd/0x170 [ 75.143293][ T10] do_syscall_64+0xc6/0x1e0 [ 75.143293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.143293][ T10] [ 75.146022][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 75.146022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.146022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.146022][ T10] ipv6_find_idev+0x102/0x170 [ 75.146022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.146022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.146022][ T10] netlink_rcv_skb+0x130/0x360 [ 75.146022][ T10] netlink_unicast+0x449/0x710 [ 75.146022][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.146022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.146022][ T10] ___sys_sendmsg+0xee/0x170 [ 75.146022][ T10] __sys_sendmsg+0xcd/0x170 [ 75.146022][ T10] do_syscall_64+0xc6/0x1e0 [ 75.146022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.146022][ T10] [ 75.148933][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 75.149453][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 75.149453][ T10] netdev_get_by_index+0x5e/0x80 [ 75.149453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.149453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.149453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.149453][ T10] ipv6_add_addr+0x411/0x2000 [ 75.149453][ T10] inet6_addr_add+0x30e/0xa40 [ 75.149453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.149453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.149453][ T10] netlink_rcv_skb+0x130/0x360 [ 75.149453][ T10] netlink_unicast+0x449/0x710 [ 75.149453][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.149453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.149453][ T10] ___sys_sendmsg+0xee/0x170 [ 75.149453][ T10] __sys_sendmsg+0xcd/0x170 [ 75.149453][ T10] do_syscall_64+0xc6/0x1e0 [ 75.149453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.149453][ T10] [ 75.152478][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 75.152478][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.152478][ T10] ipv6_find_idev+0x102/0x170 [ 75.152478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.152478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.152478][ T10] netlink_rcv_skb+0x130/0x360 [ 75.152478][ T10] netlink_unicast+0x449/0x710 [ 75.152478][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.152478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.152478][ T10] ___sys_sendmsg+0xee/0x170 [ 75.152478][ T10] __sys_sendmsg+0xcd/0x170 [ 75.152478][ T10] do_syscall_64+0xc6/0x1e0 [ 75.152478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.152478][ T10] [ 75.154819][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 75.154819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.154819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.154819][ T10] ipv6_find_idev+0x102/0x170 [ 75.154819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.154819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.154819][ T10] netlink_rcv_skb+0x130/0x360 [ 75.154819][ T10] netlink_unicast+0x449/0x710 [ 75.154819][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.154819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.154819][ T10] ___sys_sendmsg+0xee/0x170 [ 75.154819][ T10] __sys_sendmsg+0xcd/0x170 [ 75.154819][ T10] do_syscall_64+0xc6/0x1e0 [ 75.154819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.154819][ T10] [ 75.157379][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 75.157869][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 75.157869][ T10] netdev_get_by_index+0x5e/0x80 [ 75.157869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.157869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.157869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.157869][ T10] ipv6_add_addr+0x411/0x2000 [ 75.157869][ T10] inet6_addr_add+0x30e/0xa40 [ 75.157869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.157869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.157869][ T10] netlink_rcv_skb+0x130/0x360 [ 75.157869][ T10] netlink_unicast+0x449/0x710 [ 75.157869][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.157869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.157869][ T10] ___sys_sendmsg+0xee/0x170 [ 75.157869][ T10] __sys_sendmsg+0xcd/0x170 [ 75.157869][ T10] do_syscall_64+0xc6/0x1e0 [ 75.157869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.157869][ T10] [ 75.161074][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 75.161074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.161074][ T10] ipv6_find_idev+0x102/0x170 [ 75.161074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.161074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.161074][ T10] netlink_rcv_skb+0x130/0x360 [ 75.161074][ T10] netlink_unicast+0x449/0x710 [ 75.161074][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.161074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.161074][ T10] ___sys_sendmsg+0xee/0x170 [ 75.161074][ T10] __sys_sendmsg+0xcd/0x170 [ 75.161074][ T10] do_syscall_64+0xc6/0x1e0 [ 75.161074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.161074][ T10] [ 75.164143][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 75.164143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.164143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.164143][ T10] ipv6_find_idev+0x102/0x170 [ 75.164143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.164143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.164143][ T10] netlink_rcv_skb+0x130/0x360 [ 75.164143][ T10] netlink_unicast+0x449/0x710 [ 75.164143][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.164143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.164143][ T10] ___sys_sendmsg+0xee/0x170 [ 75.164143][ T10] __sys_sendmsg+0xcd/0x170 [ 75.164143][ T10] do_syscall_64+0xc6/0x1e0 [ 75.164143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.164143][ T10] [ 75.167391][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 75.167957][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 75.167957][ T10] netdev_get_by_index+0x5e/0x80 [ 75.167957][ T10] fib6_nh_init+0x3d8/0x15b0 [ 75.167957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 75.167957][ T10] addrconf_f6i_alloc+0x244/0x410 [ 75.167957][ T10] ipv6_add_addr+0x411/0x2000 [ 75.167957][ T10] inet6_addr_add+0x30e/0xa40 [ 75.167957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 75.167957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.167957][ T10] netlink_rcv_skb+0x130/0x360 [ 75.167957][ T10] netlink_unicast+0x449/0x710 [ 75.167957][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.167957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.167957][ T10] ___sys_sendmsg+0xee/0x170 [ 75.167957][ T10] __sys_sendmsg+0xcd/0x170 [ 75.167957][ T10] do_syscall_64+0xc6/0x1e0 [ 75.167957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.167957][ T10] [ 75.171311][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 75.171311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 75.171311][ T10] ipv6_find_idev+0x102/0x170 [ 75.171311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.171311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.171311][ T10] netlink_rcv_skb+0x130/0x360 [ 75.171311][ T10] netlink_unicast+0x449/0x710 [ 75.171311][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.171311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.171311][ T10] ___sys_sendmsg+0xee/0x170 [ 75.171311][ T10] __sys_sendmsg+0xcd/0x170 [ 75.171311][ T10] do_syscall_64+0xc6/0x1e0 [ 75.171311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.171311][ T10] [ 75.174230][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 75.174230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 75.174230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 75.174230][ T10] ipv6_find_idev+0x102/0x170 [ 75.174230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 75.174230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 75.174230][ T10] netlink_rcv_skb+0x130/0x360 [ 75.174230][ T10] netlink_unicast+0x449/0x710 [ 75.174230][ T10] netlink_sendmsg+0x723/0xbe0 [ 75.174230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 75.174230][ T10] ___sys_sendmsg+0xee/0x170 [ 75.174230][ T10] __sys_sendmsg+0xcd/0x170 [ 75.174230][ T10] do_syscall_64+0xc6/0x1e0 [ 75.174230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 75.174230][ T10] [ 85.266871][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 85.267302][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 85.267302][ T10] netdev_get_by_index+0x5e/0x80 [ 85.267302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.267302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.267302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.267302][ T10] ipv6_add_addr+0x411/0x2000 [ 85.267302][ T10] inet6_addr_add+0x30e/0xa40 [ 85.267302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.267302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.267302][ T10] netlink_rcv_skb+0x130/0x360 [ 85.267302][ T10] netlink_unicast+0x449/0x710 [ 85.267302][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.267302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.267302][ T10] ___sys_sendmsg+0xee/0x170 [ 85.267302][ T10] __sys_sendmsg+0xcd/0x170 [ 85.267302][ T10] do_syscall_64+0xc6/0x1e0 [ 85.267302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.267302][ T10] [ 85.269560][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 85.269560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.269560][ T10] ipv6_find_idev+0x102/0x170 [ 85.269560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.269560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.269560][ T10] netlink_rcv_skb+0x130/0x360 [ 85.269560][ T10] netlink_unicast+0x449/0x710 [ 85.269560][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.269560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.269560][ T10] ___sys_sendmsg+0xee/0x170 [ 85.269560][ T10] __sys_sendmsg+0xcd/0x170 [ 85.269560][ T10] do_syscall_64+0xc6/0x1e0 [ 85.269560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.269560][ T10] [ 85.271306][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 85.271306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.271306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.271306][ T10] ipv6_find_idev+0x102/0x170 [ 85.271306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.271306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.271306][ T10] netlink_rcv_skb+0x130/0x360 [ 85.271306][ T10] netlink_unicast+0x449/0x710 [ 85.271306][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.271306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.271306][ T10] ___sys_sendmsg+0xee/0x170 [ 85.271306][ T10] __sys_sendmsg+0xcd/0x170 [ 85.271306][ T10] do_syscall_64+0xc6/0x1e0 [ 85.271306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.271306][ T10] [ 85.273250][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 85.273568][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 85.273568][ T10] netdev_get_by_index+0x5e/0x80 [ 85.273568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.273568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.273568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.273568][ T10] ipv6_add_addr+0x411/0x2000 [ 85.273568][ T10] inet6_addr_add+0x30e/0xa40 [ 85.273568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.273568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.273568][ T10] netlink_rcv_skb+0x130/0x360 [ 85.273568][ T10] netlink_unicast+0x449/0x710 [ 85.273568][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.273568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.273568][ T10] ___sys_sendmsg+0xee/0x170 [ 85.273568][ T10] __sys_sendmsg+0xcd/0x170 [ 85.273568][ T10] do_syscall_64+0xc6/0x1e0 [ 85.273568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.273568][ T10] [ 85.275831][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 85.275831][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.275831][ T10] ipv6_find_idev+0x102/0x170 [ 85.275831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.275831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.275831][ T10] netlink_rcv_skb+0x130/0x360 [ 85.275831][ T10] netlink_unicast+0x449/0x710 [ 85.275831][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.275831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.275831][ T10] ___sys_sendmsg+0xee/0x170 [ 85.275831][ T10] __sys_sendmsg+0xcd/0x170 [ 85.275831][ T10] do_syscall_64+0xc6/0x1e0 [ 85.275831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.275831][ T10] [ 85.277582][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 85.277582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.277582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.277582][ T10] ipv6_find_idev+0x102/0x170 [ 85.277582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.277582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.277582][ T10] netlink_rcv_skb+0x130/0x360 [ 85.277582][ T10] netlink_unicast+0x449/0x710 [ 85.277582][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.277582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.277582][ T10] ___sys_sendmsg+0xee/0x170 [ 85.277582][ T10] __sys_sendmsg+0xcd/0x170 [ 85.277582][ T10] do_syscall_64+0xc6/0x1e0 [ 85.277582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.277582][ T10] [ 85.279568][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 85.279879][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 85.279879][ T10] netdev_get_by_index+0x5e/0x80 [ 85.279879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.279879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.279879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.279879][ T10] ipv6_add_addr+0x411/0x2000 [ 85.279879][ T10] inet6_addr_add+0x30e/0xa40 [ 85.279879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.279879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.279879][ T10] netlink_rcv_skb+0x130/0x360 [ 85.279879][ T10] netlink_unicast+0x449/0x710 [ 85.279879][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.279879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.279879][ T10] ___sys_sendmsg+0xee/0x170 [ 85.279879][ T10] __sys_sendmsg+0xcd/0x170 [ 85.279879][ T10] do_syscall_64+0xc6/0x1e0 [ 85.279879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.279879][ T10] [ 85.282107][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 85.282107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.282107][ T10] ipv6_find_idev+0x102/0x170 [ 85.282107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.282107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.282107][ T10] netlink_rcv_skb+0x130/0x360 [ 85.282107][ T10] netlink_unicast+0x449/0x710 [ 85.282107][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.282107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.282107][ T10] ___sys_sendmsg+0xee/0x170 [ 85.282107][ T10] __sys_sendmsg+0xcd/0x170 [ 85.282107][ T10] do_syscall_64+0xc6/0x1e0 [ 85.282107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.282107][ T10] [ 85.283820][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 85.283820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.283820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.283820][ T10] ipv6_find_idev+0x102/0x170 [ 85.283820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.283820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.283820][ T10] netlink_rcv_skb+0x130/0x360 [ 85.283820][ T10] netlink_unicast+0x449/0x710 [ 85.283820][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.283820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.283820][ T10] ___sys_sendmsg+0xee/0x170 [ 85.283820][ T10] __sys_sendmsg+0xcd/0x170 [ 85.283820][ T10] do_syscall_64+0xc6/0x1e0 [ 85.283820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.283820][ T10] [ 85.285714][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 85.286609][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 85.286609][ T10] netdev_get_by_index+0x5e/0x80 [ 85.286609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.286609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.286609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.286609][ T10] ipv6_add_addr+0x411/0x2000 [ 85.286609][ T10] inet6_addr_add+0x30e/0xa40 [ 85.286609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.286609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.286609][ T10] netlink_rcv_skb+0x130/0x360 [ 85.286609][ T10] netlink_unicast+0x449/0x710 [ 85.286609][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.286609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.286609][ T10] ___sys_sendmsg+0xee/0x170 [ 85.286609][ T10] __sys_sendmsg+0xcd/0x170 [ 85.286609][ T10] do_syscall_64+0xc6/0x1e0 [ 85.286609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.286609][ T10] [ 85.288844][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 85.288844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.288844][ T10] ipv6_find_idev+0x102/0x170 [ 85.288844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.288844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.288844][ T10] netlink_rcv_skb+0x130/0x360 [ 85.288844][ T10] netlink_unicast+0x449/0x710 [ 85.288844][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.288844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.288844][ T10] ___sys_sendmsg+0xee/0x170 [ 85.288844][ T10] __sys_sendmsg+0xcd/0x170 [ 85.288844][ T10] do_syscall_64+0xc6/0x1e0 [ 85.288844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.288844][ T10] [ 85.290421][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 85.290421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.290421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.290421][ T10] ipv6_find_idev+0x102/0x170 [ 85.290421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.290421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.290421][ T10] netlink_rcv_skb+0x130/0x360 [ 85.290421][ T10] netlink_unicast+0x449/0x710 [ 85.290421][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.290421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.290421][ T10] ___sys_sendmsg+0xee/0x170 [ 85.290421][ T10] __sys_sendmsg+0xcd/0x170 [ 85.290421][ T10] do_syscall_64+0xc6/0x1e0 [ 85.290421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.290421][ T10] [ 85.292234][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 85.292515][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 85.292515][ T10] netdev_get_by_index+0x5e/0x80 [ 85.292515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.292515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.292515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.292515][ T10] ipv6_add_addr+0x411/0x2000 [ 85.292515][ T10] inet6_addr_add+0x30e/0xa40 [ 85.292515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.292515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.292515][ T10] netlink_rcv_skb+0x130/0x360 [ 85.292515][ T10] netlink_unicast+0x449/0x710 [ 85.292515][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.292515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.292515][ T10] ___sys_sendmsg+0xee/0x170 [ 85.292515][ T10] __sys_sendmsg+0xcd/0x170 [ 85.292515][ T10] do_syscall_64+0xc6/0x1e0 [ 85.292515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.292515][ T10] [ 85.294764][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 85.294764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.294764][ T10] ipv6_find_idev+0x102/0x170 [ 85.294764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.294764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.294764][ T10] netlink_rcv_skb+0x130/0x360 [ 85.294764][ T10] netlink_unicast+0x449/0x710 [ 85.294764][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.294764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.294764][ T10] ___sys_sendmsg+0xee/0x170 [ 85.294764][ T10] __sys_sendmsg+0xcd/0x170 [ 85.294764][ T10] do_syscall_64+0xc6/0x1e0 [ 85.294764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.294764][ T10] [ 85.296516][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 85.296516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.296516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.296516][ T10] ipv6_find_idev+0x102/0x170 [ 85.296516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.296516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.296516][ T10] netlink_rcv_skb+0x130/0x360 [ 85.296516][ T10] netlink_unicast+0x449/0x710 [ 85.296516][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.296516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.296516][ T10] ___sys_sendmsg+0xee/0x170 [ 85.296516][ T10] __sys_sendmsg+0xcd/0x170 [ 85.296516][ T10] do_syscall_64+0xc6/0x1e0 [ 85.296516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.296516][ T10] [ 85.298359][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 85.298641][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 85.298641][ T10] netdev_get_by_index+0x5e/0x80 [ 85.298641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.298641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.298641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.298641][ T10] ipv6_add_addr+0x411/0x2000 [ 85.298641][ T10] inet6_addr_add+0x30e/0xa40 [ 85.298641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.298641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.298641][ T10] netlink_rcv_skb+0x130/0x360 [ 85.298641][ T10] netlink_unicast+0x449/0x710 [ 85.298641][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.298641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.298641][ T10] ___sys_sendmsg+0xee/0x170 [ 85.298641][ T10] __sys_sendmsg+0xcd/0x170 [ 85.298641][ T10] do_syscall_64+0xc6/0x1e0 [ 85.298641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.298641][ T10] [ 85.301264][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 85.301264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.301264][ T10] ipv6_find_idev+0x102/0x170 [ 85.301264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.301264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.301264][ T10] netlink_rcv_skb+0x130/0x360 [ 85.301264][ T10] netlink_unicast+0x449/0x710 [ 85.301264][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.301264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.301264][ T10] ___sys_sendmsg+0xee/0x170 [ 85.301264][ T10] __sys_sendmsg+0xcd/0x170 [ 85.301264][ T10] do_syscall_64+0xc6/0x1e0 [ 85.301264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.301264][ T10] [ 85.302995][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 85.302995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.302995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.302995][ T10] ipv6_find_idev+0x102/0x170 [ 85.302995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.302995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.302995][ T10] netlink_rcv_skb+0x130/0x360 [ 85.302995][ T10] netlink_unicast+0x449/0x710 [ 85.302995][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.302995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.302995][ T10] ___sys_sendmsg+0xee/0x170 [ 85.302995][ T10] __sys_sendmsg+0xcd/0x170 [ 85.302995][ T10] do_syscall_64+0xc6/0x1e0 [ 85.302995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.302995][ T10] [ 85.304977][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 85.305273][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 85.305273][ T10] netdev_get_by_index+0x5e/0x80 [ 85.305273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.305273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.305273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.305273][ T10] ipv6_add_addr+0x411/0x2000 [ 85.305273][ T10] inet6_addr_add+0x30e/0xa40 [ 85.305273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.305273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.305273][ T10] netlink_rcv_skb+0x130/0x360 [ 85.305273][ T10] netlink_unicast+0x449/0x710 [ 85.305273][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.305273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.305273][ T10] ___sys_sendmsg+0xee/0x170 [ 85.305273][ T10] __sys_sendmsg+0xcd/0x170 [ 85.305273][ T10] do_syscall_64+0xc6/0x1e0 [ 85.305273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.305273][ T10] [ 85.307753][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 85.307753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.307753][ T10] ipv6_find_idev+0x102/0x170 [ 85.307753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.307753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.307753][ T10] netlink_rcv_skb+0x130/0x360 [ 85.307753][ T10] netlink_unicast+0x449/0x710 [ 85.307753][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.307753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.307753][ T10] ___sys_sendmsg+0xee/0x170 [ 85.307753][ T10] __sys_sendmsg+0xcd/0x170 [ 85.307753][ T10] do_syscall_64+0xc6/0x1e0 [ 85.307753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.307753][ T10] [ 85.309547][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 85.309547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.309547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.309547][ T10] ipv6_find_idev+0x102/0x170 [ 85.309547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.309547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.309547][ T10] netlink_rcv_skb+0x130/0x360 [ 85.309547][ T10] netlink_unicast+0x449/0x710 [ 85.309547][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.309547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.309547][ T10] ___sys_sendmsg+0xee/0x170 [ 85.309547][ T10] __sys_sendmsg+0xcd/0x170 [ 85.309547][ T10] do_syscall_64+0xc6/0x1e0 [ 85.309547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.309547][ T10] [ 85.311631][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 85.312031][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 85.312031][ T10] netdev_get_by_index+0x5e/0x80 [ 85.312031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 85.312031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 85.312031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 85.312031][ T10] ipv6_add_addr+0x411/0x2000 [ 85.312031][ T10] inet6_addr_add+0x30e/0xa40 [ 85.312031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 85.312031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.312031][ T10] netlink_rcv_skb+0x130/0x360 [ 85.312031][ T10] netlink_unicast+0x449/0x710 [ 85.312031][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.312031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.312031][ T10] ___sys_sendmsg+0xee/0x170 [ 85.312031][ T10] __sys_sendmsg+0xcd/0x170 [ 85.312031][ T10] do_syscall_64+0xc6/0x1e0 [ 85.312031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.312031][ T10] [ 85.314403][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 85.314403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 85.314403][ T10] ipv6_find_idev+0x102/0x170 [ 85.314403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.314403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.314403][ T10] netlink_rcv_skb+0x130/0x360 [ 85.314403][ T10] netlink_unicast+0x449/0x710 [ 85.314403][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.314403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.314403][ T10] ___sys_sendmsg+0xee/0x170 [ 85.314403][ T10] __sys_sendmsg+0xcd/0x170 [ 85.314403][ T10] do_syscall_64+0xc6/0x1e0 [ 85.314403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.314403][ T10] [ 85.316298][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 85.316298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 85.316298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 85.316298][ T10] ipv6_find_idev+0x102/0x170 [ 85.316298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 85.316298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 85.316298][ T10] netlink_rcv_skb+0x130/0x360 [ 85.316298][ T10] netlink_unicast+0x449/0x710 [ 85.316298][ T10] netlink_sendmsg+0x723/0xbe0 [ 85.316298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 85.316298][ T10] ___sys_sendmsg+0xee/0x170 [ 85.316298][ T10] __sys_sendmsg+0xcd/0x170 [ 85.316298][ T10] do_syscall_64+0xc6/0x1e0 [ 85.316298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 85.316298][ T10] [ 95.467863][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 95.468278][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 95.468278][ T10] netdev_get_by_index+0x5e/0x80 [ 95.468278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.468278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.468278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.468278][ T10] ipv6_add_addr+0x411/0x2000 [ 95.468278][ T10] inet6_addr_add+0x30e/0xa40 [ 95.468278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.468278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.468278][ T10] netlink_rcv_skb+0x130/0x360 [ 95.468278][ T10] netlink_unicast+0x449/0x710 [ 95.468278][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.468278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.468278][ T10] ___sys_sendmsg+0xee/0x170 [ 95.468278][ T10] __sys_sendmsg+0xcd/0x170 [ 95.468278][ T10] do_syscall_64+0xc6/0x1e0 [ 95.468278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.468278][ T10] [ 95.470567][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 95.470567][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.470567][ T10] ipv6_find_idev+0x102/0x170 [ 95.470567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.470567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.470567][ T10] netlink_rcv_skb+0x130/0x360 [ 95.470567][ T10] netlink_unicast+0x449/0x710 [ 95.470567][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.470567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.470567][ T10] ___sys_sendmsg+0xee/0x170 [ 95.470567][ T10] __sys_sendmsg+0xcd/0x170 [ 95.470567][ T10] do_syscall_64+0xc6/0x1e0 [ 95.470567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.470567][ T10] [ 95.472269][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 95.472269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.472269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.472269][ T10] ipv6_find_idev+0x102/0x170 [ 95.472269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.472269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.472269][ T10] netlink_rcv_skb+0x130/0x360 [ 95.472269][ T10] netlink_unicast+0x449/0x710 [ 95.472269][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.472269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.472269][ T10] ___sys_sendmsg+0xee/0x170 [ 95.472269][ T10] __sys_sendmsg+0xcd/0x170 [ 95.472269][ T10] do_syscall_64+0xc6/0x1e0 [ 95.472269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.472269][ T10] [ 95.474290][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 95.474601][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 95.474601][ T10] netdev_get_by_index+0x5e/0x80 [ 95.474601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.474601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.474601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.474601][ T10] ipv6_add_addr+0x411/0x2000 [ 95.474601][ T10] inet6_addr_add+0x30e/0xa40 [ 95.474601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.474601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.474601][ T10] netlink_rcv_skb+0x130/0x360 [ 95.474601][ T10] netlink_unicast+0x449/0x710 [ 95.474601][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.474601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.474601][ T10] ___sys_sendmsg+0xee/0x170 [ 95.474601][ T10] __sys_sendmsg+0xcd/0x170 [ 95.474601][ T10] do_syscall_64+0xc6/0x1e0 [ 95.474601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.474601][ T10] [ 95.476707][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 95.476707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.476707][ T10] ipv6_find_idev+0x102/0x170 [ 95.476707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.476707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.476707][ T10] netlink_rcv_skb+0x130/0x360 [ 95.476707][ T10] netlink_unicast+0x449/0x710 [ 95.476707][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.476707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.476707][ T10] ___sys_sendmsg+0xee/0x170 [ 95.476707][ T10] __sys_sendmsg+0xcd/0x170 [ 95.476707][ T10] do_syscall_64+0xc6/0x1e0 [ 95.476707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.476707][ T10] [ 95.478297][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 95.478297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.478297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.478297][ T10] ipv6_find_idev+0x102/0x170 [ 95.478297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.478297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.478297][ T10] netlink_rcv_skb+0x130/0x360 [ 95.478297][ T10] netlink_unicast+0x449/0x710 [ 95.478297][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.478297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.478297][ T10] ___sys_sendmsg+0xee/0x170 [ 95.478297][ T10] __sys_sendmsg+0xcd/0x170 [ 95.478297][ T10] do_syscall_64+0xc6/0x1e0 [ 95.478297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.478297][ T10] [ 95.480030][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 95.480310][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 95.480310][ T10] netdev_get_by_index+0x5e/0x80 [ 95.480310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.480310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.480310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.480310][ T10] ipv6_add_addr+0x411/0x2000 [ 95.480310][ T10] inet6_addr_add+0x30e/0xa40 [ 95.480310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.480310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.480310][ T10] netlink_rcv_skb+0x130/0x360 [ 95.480310][ T10] netlink_unicast+0x449/0x710 [ 95.480310][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.480310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.480310][ T10] ___sys_sendmsg+0xee/0x170 [ 95.480310][ T10] __sys_sendmsg+0xcd/0x170 [ 95.480310][ T10] do_syscall_64+0xc6/0x1e0 [ 95.480310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.480310][ T10] [ 95.482371][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 95.482371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.482371][ T10] ipv6_find_idev+0x102/0x170 [ 95.482371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.482371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.482371][ T10] netlink_rcv_skb+0x130/0x360 [ 95.482371][ T10] netlink_unicast+0x449/0x710 [ 95.482371][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.482371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.482371][ T10] ___sys_sendmsg+0xee/0x170 [ 95.482371][ T10] __sys_sendmsg+0xcd/0x170 [ 95.482371][ T10] do_syscall_64+0xc6/0x1e0 [ 95.482371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.482371][ T10] [ 95.483946][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 95.483946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.483946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.483946][ T10] ipv6_find_idev+0x102/0x170 [ 95.483946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.483946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.483946][ T10] netlink_rcv_skb+0x130/0x360 [ 95.483946][ T10] netlink_unicast+0x449/0x710 [ 95.483946][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.483946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.483946][ T10] ___sys_sendmsg+0xee/0x170 [ 95.483946][ T10] __sys_sendmsg+0xcd/0x170 [ 95.483946][ T10] do_syscall_64+0xc6/0x1e0 [ 95.483946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.483946][ T10] [ 95.485681][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 95.485977][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 95.485977][ T10] netdev_get_by_index+0x5e/0x80 [ 95.485977][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.485977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.485977][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.485977][ T10] ipv6_add_addr+0x411/0x2000 [ 95.485977][ T10] inet6_addr_add+0x30e/0xa40 [ 95.485977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.485977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.485977][ T10] netlink_rcv_skb+0x130/0x360 [ 95.485977][ T10] netlink_unicast+0x449/0x710 [ 95.485977][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.485977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.485977][ T10] ___sys_sendmsg+0xee/0x170 [ 95.485977][ T10] __sys_sendmsg+0xcd/0x170 [ 95.485977][ T10] do_syscall_64+0xc6/0x1e0 [ 95.485977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.485977][ T10] [ 95.488064][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 95.488064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.488064][ T10] ipv6_find_idev+0x102/0x170 [ 95.488064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.488064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.488064][ T10] netlink_rcv_skb+0x130/0x360 [ 95.488064][ T10] netlink_unicast+0x449/0x710 [ 95.488064][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.488064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.488064][ T10] ___sys_sendmsg+0xee/0x170 [ 95.488064][ T10] __sys_sendmsg+0xcd/0x170 [ 95.488064][ T10] do_syscall_64+0xc6/0x1e0 [ 95.488064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.488064][ T10] [ 95.489649][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 95.489649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.489649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.489649][ T10] ipv6_find_idev+0x102/0x170 [ 95.489649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.489649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.489649][ T10] netlink_rcv_skb+0x130/0x360 [ 95.489649][ T10] netlink_unicast+0x449/0x710 [ 95.489649][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.489649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.489649][ T10] ___sys_sendmsg+0xee/0x170 [ 95.489649][ T10] __sys_sendmsg+0xcd/0x170 [ 95.489649][ T10] do_syscall_64+0xc6/0x1e0 [ 95.489649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.489649][ T10] [ 95.491430][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 95.491706][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 95.491706][ T10] netdev_get_by_index+0x5e/0x80 [ 95.491706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.491706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.491706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.491706][ T10] ipv6_add_addr+0x411/0x2000 [ 95.491706][ T10] inet6_addr_add+0x30e/0xa40 [ 95.491706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.491706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.491706][ T10] netlink_rcv_skb+0x130/0x360 [ 95.491706][ T10] netlink_unicast+0x449/0x710 [ 95.491706][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.491706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.491706][ T10] ___sys_sendmsg+0xee/0x170 [ 95.491706][ T10] __sys_sendmsg+0xcd/0x170 [ 95.491706][ T10] do_syscall_64+0xc6/0x1e0 [ 95.491706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.491706][ T10] [ 95.493790][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 95.493790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.493790][ T10] ipv6_find_idev+0x102/0x170 [ 95.493790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.493790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.493790][ T10] netlink_rcv_skb+0x130/0x360 [ 95.493790][ T10] netlink_unicast+0x449/0x710 [ 95.493790][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.493790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.493790][ T10] ___sys_sendmsg+0xee/0x170 [ 95.493790][ T10] __sys_sendmsg+0xcd/0x170 [ 95.493790][ T10] do_syscall_64+0xc6/0x1e0 [ 95.493790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.493790][ T10] [ 95.495337][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 95.495337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.495337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.495337][ T10] ipv6_find_idev+0x102/0x170 [ 95.495337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.495337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.495337][ T10] netlink_rcv_skb+0x130/0x360 [ 95.495337][ T10] netlink_unicast+0x449/0x710 [ 95.495337][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.495337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.495337][ T10] ___sys_sendmsg+0xee/0x170 [ 95.495337][ T10] __sys_sendmsg+0xcd/0x170 [ 95.495337][ T10] do_syscall_64+0xc6/0x1e0 [ 95.495337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.495337][ T10] [ 95.497662][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 95.498499][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 95.498499][ T10] netdev_get_by_index+0x5e/0x80 [ 95.498499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.498499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.498499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.498499][ T10] ipv6_add_addr+0x411/0x2000 [ 95.498499][ T10] inet6_addr_add+0x30e/0xa40 [ 95.498499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.498499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.498499][ T10] netlink_rcv_skb+0x130/0x360 [ 95.498499][ T10] netlink_unicast+0x449/0x710 [ 95.498499][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.498499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.498499][ T10] ___sys_sendmsg+0xee/0x170 [ 95.498499][ T10] __sys_sendmsg+0xcd/0x170 [ 95.498499][ T10] do_syscall_64+0xc6/0x1e0 [ 95.498499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.498499][ T10] [ 95.500580][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 95.500580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.500580][ T10] ipv6_find_idev+0x102/0x170 [ 95.500580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.500580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.500580][ T10] netlink_rcv_skb+0x130/0x360 [ 95.500580][ T10] netlink_unicast+0x449/0x710 [ 95.500580][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.500580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.500580][ T10] ___sys_sendmsg+0xee/0x170 [ 95.500580][ T10] __sys_sendmsg+0xcd/0x170 [ 95.500580][ T10] do_syscall_64+0xc6/0x1e0 [ 95.500580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.500580][ T10] [ 95.502186][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 95.502186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.502186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.502186][ T10] ipv6_find_idev+0x102/0x170 [ 95.502186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.502186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.502186][ T10] netlink_rcv_skb+0x130/0x360 [ 95.502186][ T10] netlink_unicast+0x449/0x710 [ 95.502186][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.502186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.502186][ T10] ___sys_sendmsg+0xee/0x170 [ 95.502186][ T10] __sys_sendmsg+0xcd/0x170 [ 95.502186][ T10] do_syscall_64+0xc6/0x1e0 [ 95.502186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.502186][ T10] [ 95.504088][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 95.504417][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 95.504417][ T10] netdev_get_by_index+0x5e/0x80 [ 95.504417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.504417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.504417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.504417][ T10] ipv6_add_addr+0x411/0x2000 [ 95.504417][ T10] inet6_addr_add+0x30e/0xa40 [ 95.504417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.504417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.504417][ T10] netlink_rcv_skb+0x130/0x360 [ 95.504417][ T10] netlink_unicast+0x449/0x710 [ 95.504417][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.504417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.504417][ T10] ___sys_sendmsg+0xee/0x170 [ 95.504417][ T10] __sys_sendmsg+0xcd/0x170 [ 95.504417][ T10] do_syscall_64+0xc6/0x1e0 [ 95.504417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.504417][ T10] [ 95.506752][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 95.506752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.506752][ T10] ipv6_find_idev+0x102/0x170 [ 95.506752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.506752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.506752][ T10] netlink_rcv_skb+0x130/0x360 [ 95.506752][ T10] netlink_unicast+0x449/0x710 [ 95.506752][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.506752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.506752][ T10] ___sys_sendmsg+0xee/0x170 [ 95.506752][ T10] __sys_sendmsg+0xcd/0x170 [ 95.506752][ T10] do_syscall_64+0xc6/0x1e0 [ 95.506752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.506752][ T10] [ 95.508500][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 95.508500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.508500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.508500][ T10] ipv6_find_idev+0x102/0x170 [ 95.508500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.508500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.508500][ T10] netlink_rcv_skb+0x130/0x360 [ 95.508500][ T10] netlink_unicast+0x449/0x710 [ 95.508500][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.508500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.508500][ T10] ___sys_sendmsg+0xee/0x170 [ 95.508500][ T10] __sys_sendmsg+0xcd/0x170 [ 95.508500][ T10] do_syscall_64+0xc6/0x1e0 [ 95.508500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.508500][ T10] [ 95.510438][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 95.510724][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 95.510724][ T10] netdev_get_by_index+0x5e/0x80 [ 95.510724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 95.510724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 95.510724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 95.510724][ T10] ipv6_add_addr+0x411/0x2000 [ 95.510724][ T10] inet6_addr_add+0x30e/0xa40 [ 95.510724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 95.510724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.510724][ T10] netlink_rcv_skb+0x130/0x360 [ 95.510724][ T10] netlink_unicast+0x449/0x710 [ 95.510724][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.510724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.510724][ T10] ___sys_sendmsg+0xee/0x170 [ 95.510724][ T10] __sys_sendmsg+0xcd/0x170 [ 95.510724][ T10] do_syscall_64+0xc6/0x1e0 [ 95.510724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.510724][ T10] [ 95.513108][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 95.513108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 95.513108][ T10] ipv6_find_idev+0x102/0x170 [ 95.513108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.513108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.513108][ T10] netlink_rcv_skb+0x130/0x360 [ 95.513108][ T10] netlink_unicast+0x449/0x710 [ 95.513108][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.513108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.513108][ T10] ___sys_sendmsg+0xee/0x170 [ 95.513108][ T10] __sys_sendmsg+0xcd/0x170 [ 95.513108][ T10] do_syscall_64+0xc6/0x1e0 [ 95.513108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.513108][ T10] [ 95.514865][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 95.514865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 95.514865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 95.514865][ T10] ipv6_find_idev+0x102/0x170 [ 95.514865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 95.514865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 95.514865][ T10] netlink_rcv_skb+0x130/0x360 [ 95.514865][ T10] netlink_unicast+0x449/0x710 [ 95.514865][ T10] netlink_sendmsg+0x723/0xbe0 [ 95.514865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 95.514865][ T10] ___sys_sendmsg+0xee/0x170 [ 95.514865][ T10] __sys_sendmsg+0xcd/0x170 [ 95.514865][ T10] do_syscall_64+0xc6/0x1e0 [ 95.514865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 95.514865][ T10] [ 105.658884][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 105.659344][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 105.659344][ T10] netdev_get_by_index+0x5e/0x80 [ 105.659344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.659344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.659344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.659344][ T10] ipv6_add_addr+0x411/0x2000 [ 105.659344][ T10] inet6_addr_add+0x30e/0xa40 [ 105.659344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.659344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.659344][ T10] netlink_rcv_skb+0x130/0x360 [ 105.659344][ T10] netlink_unicast+0x449/0x710 [ 105.659344][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.659344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.659344][ T10] ___sys_sendmsg+0xee/0x170 [ 105.659344][ T10] __sys_sendmsg+0xcd/0x170 [ 105.659344][ T10] do_syscall_64+0xc6/0x1e0 [ 105.659344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.659344][ T10] [ 105.661661][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 105.661661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.661661][ T10] ipv6_find_idev+0x102/0x170 [ 105.661661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.661661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.661661][ T10] netlink_rcv_skb+0x130/0x360 [ 105.661661][ T10] netlink_unicast+0x449/0x710 [ 105.661661][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.661661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.661661][ T10] ___sys_sendmsg+0xee/0x170 [ 105.661661][ T10] __sys_sendmsg+0xcd/0x170 [ 105.661661][ T10] do_syscall_64+0xc6/0x1e0 [ 105.661661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.661661][ T10] [ 105.663450][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 105.663450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.663450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.663450][ T10] ipv6_find_idev+0x102/0x170 [ 105.663450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.663450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.663450][ T10] netlink_rcv_skb+0x130/0x360 [ 105.663450][ T10] netlink_unicast+0x449/0x710 [ 105.663450][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.663450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.663450][ T10] ___sys_sendmsg+0xee/0x170 [ 105.663450][ T10] __sys_sendmsg+0xcd/0x170 [ 105.663450][ T10] do_syscall_64+0xc6/0x1e0 [ 105.663450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.663450][ T10] [ 105.665368][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 105.665665][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 105.665665][ T10] netdev_get_by_index+0x5e/0x80 [ 105.665665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.665665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.665665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.665665][ T10] ipv6_add_addr+0x411/0x2000 [ 105.665665][ T10] inet6_addr_add+0x30e/0xa40 [ 105.665665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.665665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.665665][ T10] netlink_rcv_skb+0x130/0x360 [ 105.665665][ T10] netlink_unicast+0x449/0x710 [ 105.665665][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.665665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.665665][ T10] ___sys_sendmsg+0xee/0x170 [ 105.665665][ T10] __sys_sendmsg+0xcd/0x170 [ 105.665665][ T10] do_syscall_64+0xc6/0x1e0 [ 105.665665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.665665][ T10] [ 105.667876][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 105.667876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.667876][ T10] ipv6_find_idev+0x102/0x170 [ 105.667876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.667876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.667876][ T10] netlink_rcv_skb+0x130/0x360 [ 105.667876][ T10] netlink_unicast+0x449/0x710 [ 105.667876][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.667876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.667876][ T10] ___sys_sendmsg+0xee/0x170 [ 105.667876][ T10] __sys_sendmsg+0xcd/0x170 [ 105.667876][ T10] do_syscall_64+0xc6/0x1e0 [ 105.667876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.667876][ T10] [ 105.669664][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 105.669664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.669664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.669664][ T10] ipv6_find_idev+0x102/0x170 [ 105.669664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.669664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.669664][ T10] netlink_rcv_skb+0x130/0x360 [ 105.669664][ T10] netlink_unicast+0x449/0x710 [ 105.669664][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.669664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.669664][ T10] ___sys_sendmsg+0xee/0x170 [ 105.669664][ T10] __sys_sendmsg+0xcd/0x170 [ 105.669664][ T10] do_syscall_64+0xc6/0x1e0 [ 105.669664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.669664][ T10] [ 105.671678][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 105.672014][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 105.672014][ T10] netdev_get_by_index+0x5e/0x80 [ 105.672014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.672014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.672014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.672014][ T10] ipv6_add_addr+0x411/0x2000 [ 105.672014][ T10] inet6_addr_add+0x30e/0xa40 [ 105.672014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.672014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.672014][ T10] netlink_rcv_skb+0x130/0x360 [ 105.672014][ T10] netlink_unicast+0x449/0x710 [ 105.672014][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.672014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.672014][ T10] ___sys_sendmsg+0xee/0x170 [ 105.672014][ T10] __sys_sendmsg+0xcd/0x170 [ 105.672014][ T10] do_syscall_64+0xc6/0x1e0 [ 105.672014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.672014][ T10] [ 105.674358][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 105.674358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.674358][ T10] ipv6_find_idev+0x102/0x170 [ 105.674358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.674358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.674358][ T10] netlink_rcv_skb+0x130/0x360 [ 105.674358][ T10] netlink_unicast+0x449/0x710 [ 105.674358][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.674358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.674358][ T10] ___sys_sendmsg+0xee/0x170 [ 105.674358][ T10] __sys_sendmsg+0xcd/0x170 [ 105.674358][ T10] do_syscall_64+0xc6/0x1e0 [ 105.674358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.674358][ T10] [ 105.676179][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 105.676179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.676179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.676179][ T10] ipv6_find_idev+0x102/0x170 [ 105.676179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.676179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.676179][ T10] netlink_rcv_skb+0x130/0x360 [ 105.676179][ T10] netlink_unicast+0x449/0x710 [ 105.676179][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.676179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.676179][ T10] ___sys_sendmsg+0xee/0x170 [ 105.676179][ T10] __sys_sendmsg+0xcd/0x170 [ 105.676179][ T10] do_syscall_64+0xc6/0x1e0 [ 105.676179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.676179][ T10] [ 105.678393][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 105.678776][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 105.678776][ T10] netdev_get_by_index+0x5e/0x80 [ 105.678776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.678776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.678776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.678776][ T10] ipv6_add_addr+0x411/0x2000 [ 105.678776][ T10] inet6_addr_add+0x30e/0xa40 [ 105.678776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.678776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.678776][ T10] netlink_rcv_skb+0x130/0x360 [ 105.678776][ T10] netlink_unicast+0x449/0x710 [ 105.678776][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.678776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.678776][ T10] ___sys_sendmsg+0xee/0x170 [ 105.678776][ T10] __sys_sendmsg+0xcd/0x170 [ 105.678776][ T10] do_syscall_64+0xc6/0x1e0 [ 105.678776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.678776][ T10] [ 105.681046][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 105.681046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.681046][ T10] ipv6_find_idev+0x102/0x170 [ 105.681046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.681046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.681046][ T10] netlink_rcv_skb+0x130/0x360 [ 105.681046][ T10] netlink_unicast+0x449/0x710 [ 105.681046][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.681046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.681046][ T10] ___sys_sendmsg+0xee/0x170 [ 105.681046][ T10] __sys_sendmsg+0xcd/0x170 [ 105.681046][ T10] do_syscall_64+0xc6/0x1e0 [ 105.681046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.681046][ T10] [ 105.682806][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 105.682806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.682806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.682806][ T10] ipv6_find_idev+0x102/0x170 [ 105.682806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.682806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.682806][ T10] netlink_rcv_skb+0x130/0x360 [ 105.682806][ T10] netlink_unicast+0x449/0x710 [ 105.682806][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.682806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.682806][ T10] ___sys_sendmsg+0xee/0x170 [ 105.682806][ T10] __sys_sendmsg+0xcd/0x170 [ 105.682806][ T10] do_syscall_64+0xc6/0x1e0 [ 105.682806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.682806][ T10] [ 105.685307][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 105.686034][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 105.686034][ T10] netdev_get_by_index+0x5e/0x80 [ 105.686034][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.686034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.686034][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.686034][ T10] ipv6_add_addr+0x411/0x2000 [ 105.686034][ T10] inet6_addr_add+0x30e/0xa40 [ 105.686034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.686034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.686034][ T10] netlink_rcv_skb+0x130/0x360 [ 105.686034][ T10] netlink_unicast+0x449/0x710 [ 105.686034][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.686034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.686034][ T10] ___sys_sendmsg+0xee/0x170 [ 105.686034][ T10] __sys_sendmsg+0xcd/0x170 [ 105.686034][ T10] do_syscall_64+0xc6/0x1e0 [ 105.686034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.686034][ T10] [ 105.688237][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 105.688237][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.688237][ T10] ipv6_find_idev+0x102/0x170 [ 105.688237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.688237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.688237][ T10] netlink_rcv_skb+0x130/0x360 [ 105.688237][ T10] netlink_unicast+0x449/0x710 [ 105.688237][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.688237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.688237][ T10] ___sys_sendmsg+0xee/0x170 [ 105.688237][ T10] __sys_sendmsg+0xcd/0x170 [ 105.688237][ T10] do_syscall_64+0xc6/0x1e0 [ 105.688237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.688237][ T10] [ 105.690047][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 105.690047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.690047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.690047][ T10] ipv6_find_idev+0x102/0x170 [ 105.690047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.690047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.690047][ T10] netlink_rcv_skb+0x130/0x360 [ 105.690047][ T10] netlink_unicast+0x449/0x710 [ 105.690047][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.690047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.690047][ T10] ___sys_sendmsg+0xee/0x170 [ 105.690047][ T10] __sys_sendmsg+0xcd/0x170 [ 105.690047][ T10] do_syscall_64+0xc6/0x1e0 [ 105.690047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.690047][ T10] [ 105.692252][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 105.692561][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 105.692561][ T10] netdev_get_by_index+0x5e/0x80 [ 105.692561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.692561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.692561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.692561][ T10] ipv6_add_addr+0x411/0x2000 [ 105.692561][ T10] inet6_addr_add+0x30e/0xa40 [ 105.692561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.692561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.692561][ T10] netlink_rcv_skb+0x130/0x360 [ 105.692561][ T10] netlink_unicast+0x449/0x710 [ 105.692561][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.692561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.692561][ T10] ___sys_sendmsg+0xee/0x170 [ 105.692561][ T10] __sys_sendmsg+0xcd/0x170 [ 105.692561][ T10] do_syscall_64+0xc6/0x1e0 [ 105.692561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.692561][ T10] [ 105.694799][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 105.694799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.694799][ T10] ipv6_find_idev+0x102/0x170 [ 105.694799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.694799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.694799][ T10] netlink_rcv_skb+0x130/0x360 [ 105.694799][ T10] netlink_unicast+0x449/0x710 [ 105.694799][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.694799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.694799][ T10] ___sys_sendmsg+0xee/0x170 [ 105.694799][ T10] __sys_sendmsg+0xcd/0x170 [ 105.694799][ T10] do_syscall_64+0xc6/0x1e0 [ 105.694799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.694799][ T10] [ 105.696550][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 105.696550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.696550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.696550][ T10] ipv6_find_idev+0x102/0x170 [ 105.696550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.696550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.696550][ T10] netlink_rcv_skb+0x130/0x360 [ 105.696550][ T10] netlink_unicast+0x449/0x710 [ 105.696550][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.696550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.696550][ T10] ___sys_sendmsg+0xee/0x170 [ 105.696550][ T10] __sys_sendmsg+0xcd/0x170 [ 105.696550][ T10] do_syscall_64+0xc6/0x1e0 [ 105.696550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.696550][ T10] [ 105.698720][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 105.699092][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 105.699092][ T10] netdev_get_by_index+0x5e/0x80 [ 105.699092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.699092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.699092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.699092][ T10] ipv6_add_addr+0x411/0x2000 [ 105.699092][ T10] inet6_addr_add+0x30e/0xa40 [ 105.699092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.699092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.699092][ T10] netlink_rcv_skb+0x130/0x360 [ 105.699092][ T10] netlink_unicast+0x449/0x710 [ 105.699092][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.699092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.699092][ T10] ___sys_sendmsg+0xee/0x170 [ 105.699092][ T10] __sys_sendmsg+0xcd/0x170 [ 105.699092][ T10] do_syscall_64+0xc6/0x1e0 [ 105.699092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.699092][ T10] [ 105.701458][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 105.701458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.701458][ T10] ipv6_find_idev+0x102/0x170 [ 105.701458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.701458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.701458][ T10] netlink_rcv_skb+0x130/0x360 [ 105.701458][ T10] netlink_unicast+0x449/0x710 [ 105.701458][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.701458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.701458][ T10] ___sys_sendmsg+0xee/0x170 [ 105.701458][ T10] __sys_sendmsg+0xcd/0x170 [ 105.701458][ T10] do_syscall_64+0xc6/0x1e0 [ 105.701458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.701458][ T10] [ 105.703339][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 105.703339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.703339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.703339][ T10] ipv6_find_idev+0x102/0x170 [ 105.703339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.703339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.703339][ T10] netlink_rcv_skb+0x130/0x360 [ 105.703339][ T10] netlink_unicast+0x449/0x710 [ 105.703339][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.703339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.703339][ T10] ___sys_sendmsg+0xee/0x170 [ 105.703339][ T10] __sys_sendmsg+0xcd/0x170 [ 105.703339][ T10] do_syscall_64+0xc6/0x1e0 [ 105.703339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.703339][ T10] [ 105.705377][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 105.705763][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 105.705763][ T10] netdev_get_by_index+0x5e/0x80 [ 105.705763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 105.705763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 105.705763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 105.705763][ T10] ipv6_add_addr+0x411/0x2000 [ 105.705763][ T10] inet6_addr_add+0x30e/0xa40 [ 105.705763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 105.705763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.705763][ T10] netlink_rcv_skb+0x130/0x360 [ 105.705763][ T10] netlink_unicast+0x449/0x710 [ 105.705763][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.705763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.705763][ T10] ___sys_sendmsg+0xee/0x170 [ 105.705763][ T10] __sys_sendmsg+0xcd/0x170 [ 105.705763][ T10] do_syscall_64+0xc6/0x1e0 [ 105.705763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.705763][ T10] [ 105.708195][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 105.708195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 105.708195][ T10] ipv6_find_idev+0x102/0x170 [ 105.708195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.708195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.708195][ T10] netlink_rcv_skb+0x130/0x360 [ 105.708195][ T10] netlink_unicast+0x449/0x710 [ 105.708195][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.708195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.708195][ T10] ___sys_sendmsg+0xee/0x170 [ 105.708195][ T10] __sys_sendmsg+0xcd/0x170 [ 105.708195][ T10] do_syscall_64+0xc6/0x1e0 [ 105.708195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.708195][ T10] [ 105.710045][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 105.710045][ T10] neigh_parms_alloc+0x1e5/0x510 [ 105.710045][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 105.710045][ T10] ipv6_find_idev+0x102/0x170 [ 105.710045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 105.710045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 105.710045][ T10] netlink_rcv_skb+0x130/0x360 [ 105.710045][ T10] netlink_unicast+0x449/0x710 [ 105.710045][ T10] netlink_sendmsg+0x723/0xbe0 [ 105.710045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 105.710045][ T10] ___sys_sendmsg+0xee/0x170 [ 105.710045][ T10] __sys_sendmsg+0xcd/0x170 [ 105.710045][ T10] do_syscall_64+0xc6/0x1e0 [ 105.710045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 105.710045][ T10] [ 115.835080][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 115.835484][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 115.835484][ T10] netdev_get_by_index+0x5e/0x80 [ 115.835484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.835484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.835484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.835484][ T10] ipv6_add_addr+0x411/0x2000 [ 115.835484][ T10] inet6_addr_add+0x30e/0xa40 [ 115.835484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.835484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.835484][ T10] netlink_rcv_skb+0x130/0x360 [ 115.835484][ T10] netlink_unicast+0x449/0x710 [ 115.835484][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.835484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.835484][ T10] ___sys_sendmsg+0xee/0x170 [ 115.835484][ T10] __sys_sendmsg+0xcd/0x170 [ 115.835484][ T10] do_syscall_64+0xc6/0x1e0 [ 115.835484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.835484][ T10] [ 115.837860][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 115.837860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.837860][ T10] ipv6_find_idev+0x102/0x170 [ 115.837860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.837860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.837860][ T10] netlink_rcv_skb+0x130/0x360 [ 115.837860][ T10] netlink_unicast+0x449/0x710 [ 115.837860][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.837860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.837860][ T10] ___sys_sendmsg+0xee/0x170 [ 115.837860][ T10] __sys_sendmsg+0xcd/0x170 [ 115.837860][ T10] do_syscall_64+0xc6/0x1e0 [ 115.837860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.837860][ T10] [ 115.840455][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 115.840455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.840455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.840455][ T10] ipv6_find_idev+0x102/0x170 [ 115.840455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.840455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.840455][ T10] netlink_rcv_skb+0x130/0x360 [ 115.840455][ T10] netlink_unicast+0x449/0x710 [ 115.840455][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.840455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.840455][ T10] ___sys_sendmsg+0xee/0x170 [ 115.840455][ T10] __sys_sendmsg+0xcd/0x170 [ 115.840455][ T10] do_syscall_64+0xc6/0x1e0 [ 115.840455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.840455][ T10] [ 115.843330][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 115.843796][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 115.843796][ T10] netdev_get_by_index+0x5e/0x80 [ 115.843796][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.843796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.843796][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.843796][ T10] ipv6_add_addr+0x411/0x2000 [ 115.843796][ T10] inet6_addr_add+0x30e/0xa40 [ 115.843796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.843796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.843796][ T10] netlink_rcv_skb+0x130/0x360 [ 115.843796][ T10] netlink_unicast+0x449/0x710 [ 115.843796][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.843796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.843796][ T10] ___sys_sendmsg+0xee/0x170 [ 115.843796][ T10] __sys_sendmsg+0xcd/0x170 [ 115.843796][ T10] do_syscall_64+0xc6/0x1e0 [ 115.843796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.843796][ T10] [ 115.847222][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 115.847222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.847222][ T10] ipv6_find_idev+0x102/0x170 [ 115.847222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.847222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.847222][ T10] netlink_rcv_skb+0x130/0x360 [ 115.847222][ T10] netlink_unicast+0x449/0x710 [ 115.847222][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.847222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.847222][ T10] ___sys_sendmsg+0xee/0x170 [ 115.847222][ T10] __sys_sendmsg+0xcd/0x170 [ 115.847222][ T10] do_syscall_64+0xc6/0x1e0 [ 115.847222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.847222][ T10] [ 115.849780][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 115.849780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.849780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.849780][ T10] ipv6_find_idev+0x102/0x170 [ 115.849780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.849780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.849780][ T10] netlink_rcv_skb+0x130/0x360 [ 115.849780][ T10] netlink_unicast+0x449/0x710 [ 115.849780][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.849780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.849780][ T10] ___sys_sendmsg+0xee/0x170 [ 115.849780][ T10] __sys_sendmsg+0xcd/0x170 [ 115.849780][ T10] do_syscall_64+0xc6/0x1e0 [ 115.849780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.849780][ T10] [ 115.851624][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 115.851936][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 115.851936][ T10] netdev_get_by_index+0x5e/0x80 [ 115.851936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.851936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.851936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.851936][ T10] ipv6_add_addr+0x411/0x2000 [ 115.851936][ T10] inet6_addr_add+0x30e/0xa40 [ 115.851936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.851936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.851936][ T10] netlink_rcv_skb+0x130/0x360 [ 115.851936][ T10] netlink_unicast+0x449/0x710 [ 115.851936][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.851936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.851936][ T10] ___sys_sendmsg+0xee/0x170 [ 115.851936][ T10] __sys_sendmsg+0xcd/0x170 [ 115.851936][ T10] do_syscall_64+0xc6/0x1e0 [ 115.851936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.851936][ T10] [ 115.854093][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 115.854093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.854093][ T10] ipv6_find_idev+0x102/0x170 [ 115.854093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.854093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.854093][ T10] netlink_rcv_skb+0x130/0x360 [ 115.854093][ T10] netlink_unicast+0x449/0x710 [ 115.854093][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.854093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.854093][ T10] ___sys_sendmsg+0xee/0x170 [ 115.854093][ T10] __sys_sendmsg+0xcd/0x170 [ 115.854093][ T10] do_syscall_64+0xc6/0x1e0 [ 115.854093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.854093][ T10] [ 115.855717][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 115.855717][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.855717][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.855717][ T10] ipv6_find_idev+0x102/0x170 [ 115.855717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.855717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.855717][ T10] netlink_rcv_skb+0x130/0x360 [ 115.855717][ T10] netlink_unicast+0x449/0x710 [ 115.855717][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.855717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.855717][ T10] ___sys_sendmsg+0xee/0x170 [ 115.855717][ T10] __sys_sendmsg+0xcd/0x170 [ 115.855717][ T10] do_syscall_64+0xc6/0x1e0 [ 115.855717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.855717][ T10] [ 115.857799][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 115.858114][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 115.858114][ T10] netdev_get_by_index+0x5e/0x80 [ 115.858114][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.858114][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.858114][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.858114][ T10] ipv6_add_addr+0x411/0x2000 [ 115.858114][ T10] inet6_addr_add+0x30e/0xa40 [ 115.858114][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.858114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.858114][ T10] netlink_rcv_skb+0x130/0x360 [ 115.858114][ T10] netlink_unicast+0x449/0x710 [ 115.858114][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.858114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.858114][ T10] ___sys_sendmsg+0xee/0x170 [ 115.858114][ T10] __sys_sendmsg+0xcd/0x170 [ 115.858114][ T10] do_syscall_64+0xc6/0x1e0 [ 115.858114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.858114][ T10] [ 115.860189][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 115.860189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.860189][ T10] ipv6_find_idev+0x102/0x170 [ 115.860189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.860189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.860189][ T10] netlink_rcv_skb+0x130/0x360 [ 115.860189][ T10] netlink_unicast+0x449/0x710 [ 115.860189][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.860189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.860189][ T10] ___sys_sendmsg+0xee/0x170 [ 115.860189][ T10] __sys_sendmsg+0xcd/0x170 [ 115.860189][ T10] do_syscall_64+0xc6/0x1e0 [ 115.860189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.860189][ T10] [ 115.862138][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 115.862138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.862138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.862138][ T10] ipv6_find_idev+0x102/0x170 [ 115.862138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.862138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.862138][ T10] netlink_rcv_skb+0x130/0x360 [ 115.862138][ T10] netlink_unicast+0x449/0x710 [ 115.862138][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.862138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.862138][ T10] ___sys_sendmsg+0xee/0x170 [ 115.862138][ T10] __sys_sendmsg+0xcd/0x170 [ 115.862138][ T10] do_syscall_64+0xc6/0x1e0 [ 115.862138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.862138][ T10] [ 115.864924][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 115.865365][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 115.865365][ T10] netdev_get_by_index+0x5e/0x80 [ 115.865365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.865365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.865365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.865365][ T10] ipv6_add_addr+0x411/0x2000 [ 115.865365][ T10] inet6_addr_add+0x30e/0xa40 [ 115.865365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.865365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.865365][ T10] netlink_rcv_skb+0x130/0x360 [ 115.865365][ T10] netlink_unicast+0x449/0x710 [ 115.865365][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.865365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.865365][ T10] ___sys_sendmsg+0xee/0x170 [ 115.865365][ T10] __sys_sendmsg+0xcd/0x170 [ 115.865365][ T10] do_syscall_64+0xc6/0x1e0 [ 115.865365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.865365][ T10] [ 115.868527][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 115.868527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.868527][ T10] ipv6_find_idev+0x102/0x170 [ 115.868527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.868527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.868527][ T10] netlink_rcv_skb+0x130/0x360 [ 115.868527][ T10] netlink_unicast+0x449/0x710 [ 115.868527][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.868527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.868527][ T10] ___sys_sendmsg+0xee/0x170 [ 115.868527][ T10] __sys_sendmsg+0xcd/0x170 [ 115.868527][ T10] do_syscall_64+0xc6/0x1e0 [ 115.868527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.868527][ T10] [ 115.870952][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 115.870952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.870952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.870952][ T10] ipv6_find_idev+0x102/0x170 [ 115.870952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.870952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.870952][ T10] netlink_rcv_skb+0x130/0x360 [ 115.870952][ T10] netlink_unicast+0x449/0x710 [ 115.870952][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.870952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.870952][ T10] ___sys_sendmsg+0xee/0x170 [ 115.870952][ T10] __sys_sendmsg+0xcd/0x170 [ 115.870952][ T10] do_syscall_64+0xc6/0x1e0 [ 115.870952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.870952][ T10] [ 115.874813][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 115.875967][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 115.875967][ T10] netdev_get_by_index+0x5e/0x80 [ 115.875967][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.875967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.875967][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.875967][ T10] ipv6_add_addr+0x411/0x2000 [ 115.875967][ T10] inet6_addr_add+0x30e/0xa40 [ 115.875967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.875967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.875967][ T10] netlink_rcv_skb+0x130/0x360 [ 115.875967][ T10] netlink_unicast+0x449/0x710 [ 115.875967][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.875967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.875967][ T10] ___sys_sendmsg+0xee/0x170 [ 115.875967][ T10] __sys_sendmsg+0xcd/0x170 [ 115.875967][ T10] do_syscall_64+0xc6/0x1e0 [ 115.875967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.875967][ T10] [ 115.878010][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 115.878010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.878010][ T10] ipv6_find_idev+0x102/0x170 [ 115.878010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.878010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.878010][ T10] netlink_rcv_skb+0x130/0x360 [ 115.878010][ T10] netlink_unicast+0x449/0x710 [ 115.878010][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.878010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.878010][ T10] ___sys_sendmsg+0xee/0x170 [ 115.878010][ T10] __sys_sendmsg+0xcd/0x170 [ 115.878010][ T10] do_syscall_64+0xc6/0x1e0 [ 115.878010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.878010][ T10] [ 115.879559][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 115.879559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.879559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.879559][ T10] ipv6_find_idev+0x102/0x170 [ 115.879559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.879559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.879559][ T10] netlink_rcv_skb+0x130/0x360 [ 115.879559][ T10] netlink_unicast+0x449/0x710 [ 115.879559][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.879559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.879559][ T10] ___sys_sendmsg+0xee/0x170 [ 115.879559][ T10] __sys_sendmsg+0xcd/0x170 [ 115.879559][ T10] do_syscall_64+0xc6/0x1e0 [ 115.879559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.879559][ T10] [ 115.881333][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 115.881691][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 115.881691][ T10] netdev_get_by_index+0x5e/0x80 [ 115.881691][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.881691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.881691][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.881691][ T10] ipv6_add_addr+0x411/0x2000 [ 115.881691][ T10] inet6_addr_add+0x30e/0xa40 [ 115.881691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.881691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.881691][ T10] netlink_rcv_skb+0x130/0x360 [ 115.881691][ T10] netlink_unicast+0x449/0x710 [ 115.881691][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.881691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.881691][ T10] ___sys_sendmsg+0xee/0x170 [ 115.881691][ T10] __sys_sendmsg+0xcd/0x170 [ 115.881691][ T10] do_syscall_64+0xc6/0x1e0 [ 115.881691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.881691][ T10] [ 115.883802][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 115.883802][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.883802][ T10] ipv6_find_idev+0x102/0x170 [ 115.883802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.883802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.883802][ T10] netlink_rcv_skb+0x130/0x360 [ 115.883802][ T10] netlink_unicast+0x449/0x710 [ 115.883802][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.883802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.883802][ T10] ___sys_sendmsg+0xee/0x170 [ 115.883802][ T10] __sys_sendmsg+0xcd/0x170 [ 115.883802][ T10] do_syscall_64+0xc6/0x1e0 [ 115.883802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.883802][ T10] [ 115.885518][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 115.885518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.885518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.885518][ T10] ipv6_find_idev+0x102/0x170 [ 115.885518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.885518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.885518][ T10] netlink_rcv_skb+0x130/0x360 [ 115.885518][ T10] netlink_unicast+0x449/0x710 [ 115.885518][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.885518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.885518][ T10] ___sys_sendmsg+0xee/0x170 [ 115.885518][ T10] __sys_sendmsg+0xcd/0x170 [ 115.885518][ T10] do_syscall_64+0xc6/0x1e0 [ 115.885518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.885518][ T10] [ 115.887564][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 115.887983][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 115.887983][ T10] netdev_get_by_index+0x5e/0x80 [ 115.887983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 115.887983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 115.887983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 115.887983][ T10] ipv6_add_addr+0x411/0x2000 [ 115.887983][ T10] inet6_addr_add+0x30e/0xa40 [ 115.887983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 115.887983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.887983][ T10] netlink_rcv_skb+0x130/0x360 [ 115.887983][ T10] netlink_unicast+0x449/0x710 [ 115.887983][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.887983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.887983][ T10] ___sys_sendmsg+0xee/0x170 [ 115.887983][ T10] __sys_sendmsg+0xcd/0x170 [ 115.887983][ T10] do_syscall_64+0xc6/0x1e0 [ 115.887983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.887983][ T10] [ 115.890362][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 115.890362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 115.890362][ T10] ipv6_find_idev+0x102/0x170 [ 115.890362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.890362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.890362][ T10] netlink_rcv_skb+0x130/0x360 [ 115.890362][ T10] netlink_unicast+0x449/0x710 [ 115.890362][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.890362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.890362][ T10] ___sys_sendmsg+0xee/0x170 [ 115.890362][ T10] __sys_sendmsg+0xcd/0x170 [ 115.890362][ T10] do_syscall_64+0xc6/0x1e0 [ 115.890362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.890362][ T10] [ 115.892285][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 115.892285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 115.892285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 115.892285][ T10] ipv6_find_idev+0x102/0x170 [ 115.892285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 115.892285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 115.892285][ T10] netlink_rcv_skb+0x130/0x360 [ 115.892285][ T10] netlink_unicast+0x449/0x710 [ 115.892285][ T10] netlink_sendmsg+0x723/0xbe0 [ 115.892285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 115.892285][ T10] ___sys_sendmsg+0xee/0x170 [ 115.892285][ T10] __sys_sendmsg+0xcd/0x170 [ 115.892285][ T10] do_syscall_64+0xc6/0x1e0 [ 115.892285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 115.892285][ T10] [ 126.050923][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 126.051292][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 126.051292][ T10] netdev_get_by_index+0x5e/0x80 [ 126.051292][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.051292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.051292][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.051292][ T10] ipv6_add_addr+0x411/0x2000 [ 126.051292][ T10] inet6_addr_add+0x30e/0xa40 [ 126.051292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.051292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.051292][ T10] netlink_rcv_skb+0x130/0x360 [ 126.051292][ T10] netlink_unicast+0x449/0x710 [ 126.051292][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.051292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.051292][ T10] ___sys_sendmsg+0xee/0x170 [ 126.051292][ T10] __sys_sendmsg+0xcd/0x170 [ 126.051292][ T10] do_syscall_64+0xc6/0x1e0 [ 126.051292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.051292][ T10] [ 126.053736][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 126.053736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.053736][ T10] ipv6_find_idev+0x102/0x170 [ 126.053736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.053736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.053736][ T10] netlink_rcv_skb+0x130/0x360 [ 126.053736][ T10] netlink_unicast+0x449/0x710 [ 126.053736][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.053736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.053736][ T10] ___sys_sendmsg+0xee/0x170 [ 126.053736][ T10] __sys_sendmsg+0xcd/0x170 [ 126.053736][ T10] do_syscall_64+0xc6/0x1e0 [ 126.053736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.053736][ T10] [ 126.055373][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 126.055373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.055373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.055373][ T10] ipv6_find_idev+0x102/0x170 [ 126.055373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.055373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.055373][ T10] netlink_rcv_skb+0x130/0x360 [ 126.055373][ T10] netlink_unicast+0x449/0x710 [ 126.055373][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.055373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.055373][ T10] ___sys_sendmsg+0xee/0x170 [ 126.055373][ T10] __sys_sendmsg+0xcd/0x170 [ 126.055373][ T10] do_syscall_64+0xc6/0x1e0 [ 126.055373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.055373][ T10] [ 126.057285][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 126.057600][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 126.057600][ T10] netdev_get_by_index+0x5e/0x80 [ 126.057600][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.057600][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.057600][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.057600][ T10] ipv6_add_addr+0x411/0x2000 [ 126.057600][ T10] inet6_addr_add+0x30e/0xa40 [ 126.057600][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.057600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.057600][ T10] netlink_rcv_skb+0x130/0x360 [ 126.057600][ T10] netlink_unicast+0x449/0x710 [ 126.057600][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.057600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.057600][ T10] ___sys_sendmsg+0xee/0x170 [ 126.057600][ T10] __sys_sendmsg+0xcd/0x170 [ 126.057600][ T10] do_syscall_64+0xc6/0x1e0 [ 126.057600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.057600][ T10] [ 126.059757][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 126.059757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.059757][ T10] ipv6_find_idev+0x102/0x170 [ 126.059757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.059757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.059757][ T10] netlink_rcv_skb+0x130/0x360 [ 126.059757][ T10] netlink_unicast+0x449/0x710 [ 126.059757][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.059757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.059757][ T10] ___sys_sendmsg+0xee/0x170 [ 126.059757][ T10] __sys_sendmsg+0xcd/0x170 [ 126.059757][ T10] do_syscall_64+0xc6/0x1e0 [ 126.059757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.059757][ T10] [ 126.061409][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 126.061409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.061409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.061409][ T10] ipv6_find_idev+0x102/0x170 [ 126.061409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.061409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.061409][ T10] netlink_rcv_skb+0x130/0x360 [ 126.061409][ T10] netlink_unicast+0x449/0x710 [ 126.061409][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.061409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.061409][ T10] ___sys_sendmsg+0xee/0x170 [ 126.061409][ T10] __sys_sendmsg+0xcd/0x170 [ 126.061409][ T10] do_syscall_64+0xc6/0x1e0 [ 126.061409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.061409][ T10] [ 126.063330][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 126.063709][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 126.063709][ T10] netdev_get_by_index+0x5e/0x80 [ 126.063709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.063709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.063709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.063709][ T10] ipv6_add_addr+0x411/0x2000 [ 126.063709][ T10] inet6_addr_add+0x30e/0xa40 [ 126.063709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.063709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.063709][ T10] netlink_rcv_skb+0x130/0x360 [ 126.063709][ T10] netlink_unicast+0x449/0x710 [ 126.063709][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.063709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.063709][ T10] ___sys_sendmsg+0xee/0x170 [ 126.063709][ T10] __sys_sendmsg+0xcd/0x170 [ 126.063709][ T10] do_syscall_64+0xc6/0x1e0 [ 126.063709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.063709][ T10] [ 126.066001][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 126.066001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.066001][ T10] ipv6_find_idev+0x102/0x170 [ 126.066001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.066001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.066001][ T10] netlink_rcv_skb+0x130/0x360 [ 126.066001][ T10] netlink_unicast+0x449/0x710 [ 126.066001][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.066001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.066001][ T10] ___sys_sendmsg+0xee/0x170 [ 126.066001][ T10] __sys_sendmsg+0xcd/0x170 [ 126.066001][ T10] do_syscall_64+0xc6/0x1e0 [ 126.066001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.066001][ T10] [ 126.067689][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 126.067689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.067689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.067689][ T10] ipv6_find_idev+0x102/0x170 [ 126.067689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.067689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.067689][ T10] netlink_rcv_skb+0x130/0x360 [ 126.067689][ T10] netlink_unicast+0x449/0x710 [ 126.067689][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.067689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.067689][ T10] ___sys_sendmsg+0xee/0x170 [ 126.067689][ T10] __sys_sendmsg+0xcd/0x170 [ 126.067689][ T10] do_syscall_64+0xc6/0x1e0 [ 126.067689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.067689][ T10] [ 126.069782][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 126.070069][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 126.070069][ T10] netdev_get_by_index+0x5e/0x80 [ 126.070069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.070069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.070069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.070069][ T10] ipv6_add_addr+0x411/0x2000 [ 126.070069][ T10] inet6_addr_add+0x30e/0xa40 [ 126.070069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.070069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.070069][ T10] netlink_rcv_skb+0x130/0x360 [ 126.070069][ T10] netlink_unicast+0x449/0x710 [ 126.070069][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.070069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.070069][ T10] ___sys_sendmsg+0xee/0x170 [ 126.070069][ T10] __sys_sendmsg+0xcd/0x170 [ 126.070069][ T10] do_syscall_64+0xc6/0x1e0 [ 126.070069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.070069][ T10] [ 126.072418][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 126.072418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.072418][ T10] ipv6_find_idev+0x102/0x170 [ 126.072418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.072418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.072418][ T10] netlink_rcv_skb+0x130/0x360 [ 126.072418][ T10] netlink_unicast+0x449/0x710 [ 126.072418][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.072418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.072418][ T10] ___sys_sendmsg+0xee/0x170 [ 126.072418][ T10] __sys_sendmsg+0xcd/0x170 [ 126.072418][ T10] do_syscall_64+0xc6/0x1e0 [ 126.072418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.072418][ T10] [ 126.074067][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 126.074067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.074067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.074067][ T10] ipv6_find_idev+0x102/0x170 [ 126.074067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.074067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.074067][ T10] netlink_rcv_skb+0x130/0x360 [ 126.074067][ T10] netlink_unicast+0x449/0x710 [ 126.074067][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.074067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.074067][ T10] ___sys_sendmsg+0xee/0x170 [ 126.074067][ T10] __sys_sendmsg+0xcd/0x170 [ 126.074067][ T10] do_syscall_64+0xc6/0x1e0 [ 126.074067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.074067][ T10] [ 126.075896][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 126.076238][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 126.076238][ T10] netdev_get_by_index+0x5e/0x80 [ 126.076238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.076238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.076238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.076238][ T10] ipv6_add_addr+0x411/0x2000 [ 126.076238][ T10] inet6_addr_add+0x30e/0xa40 [ 126.076238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.076238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.076238][ T10] netlink_rcv_skb+0x130/0x360 [ 126.076238][ T10] netlink_unicast+0x449/0x710 [ 126.076238][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.076238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.076238][ T10] ___sys_sendmsg+0xee/0x170 [ 126.076238][ T10] __sys_sendmsg+0xcd/0x170 [ 126.076238][ T10] do_syscall_64+0xc6/0x1e0 [ 126.076238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.076238][ T10] [ 126.078562][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 126.078562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.078562][ T10] ipv6_find_idev+0x102/0x170 [ 126.078562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.078562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.078562][ T10] netlink_rcv_skb+0x130/0x360 [ 126.078562][ T10] netlink_unicast+0x449/0x710 [ 126.078562][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.078562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.078562][ T10] ___sys_sendmsg+0xee/0x170 [ 126.078562][ T10] __sys_sendmsg+0xcd/0x170 [ 126.078562][ T10] do_syscall_64+0xc6/0x1e0 [ 126.078562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.078562][ T10] [ 126.080287][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 126.080287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.080287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.080287][ T10] ipv6_find_idev+0x102/0x170 [ 126.080287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.080287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.080287][ T10] netlink_rcv_skb+0x130/0x360 [ 126.080287][ T10] netlink_unicast+0x449/0x710 [ 126.080287][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.080287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.080287][ T10] ___sys_sendmsg+0xee/0x170 [ 126.080287][ T10] __sys_sendmsg+0xcd/0x170 [ 126.080287][ T10] do_syscall_64+0xc6/0x1e0 [ 126.080287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.080287][ T10] [ 126.082396][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 126.082685][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 126.082685][ T10] netdev_get_by_index+0x5e/0x80 [ 126.082685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.082685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.082685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.082685][ T10] ipv6_add_addr+0x411/0x2000 [ 126.082685][ T10] inet6_addr_add+0x30e/0xa40 [ 126.082685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.082685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.082685][ T10] netlink_rcv_skb+0x130/0x360 [ 126.082685][ T10] netlink_unicast+0x449/0x710 [ 126.082685][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.082685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.082685][ T10] ___sys_sendmsg+0xee/0x170 [ 126.082685][ T10] __sys_sendmsg+0xcd/0x170 [ 126.082685][ T10] do_syscall_64+0xc6/0x1e0 [ 126.082685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.082685][ T10] [ 126.084979][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 126.084979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.084979][ T10] ipv6_find_idev+0x102/0x170 [ 126.084979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.084979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.084979][ T10] netlink_rcv_skb+0x130/0x360 [ 126.084979][ T10] netlink_unicast+0x449/0x710 [ 126.084979][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.084979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.084979][ T10] ___sys_sendmsg+0xee/0x170 [ 126.084979][ T10] __sys_sendmsg+0xcd/0x170 [ 126.084979][ T10] do_syscall_64+0xc6/0x1e0 [ 126.084979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.084979][ T10] [ 126.086736][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 126.086736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.086736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.086736][ T10] ipv6_find_idev+0x102/0x170 [ 126.086736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.086736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.086736][ T10] netlink_rcv_skb+0x130/0x360 [ 126.086736][ T10] netlink_unicast+0x449/0x710 [ 126.086736][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.086736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.086736][ T10] ___sys_sendmsg+0xee/0x170 [ 126.086736][ T10] __sys_sendmsg+0xcd/0x170 [ 126.086736][ T10] do_syscall_64+0xc6/0x1e0 [ 126.086736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.086736][ T10] [ 126.088876][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 126.089169][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 126.089169][ T10] netdev_get_by_index+0x5e/0x80 [ 126.089169][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.089169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.089169][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.089169][ T10] ipv6_add_addr+0x411/0x2000 [ 126.089169][ T10] inet6_addr_add+0x30e/0xa40 [ 126.089169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.089169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.089169][ T10] netlink_rcv_skb+0x130/0x360 [ 126.089169][ T10] netlink_unicast+0x449/0x710 [ 126.089169][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.089169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.089169][ T10] ___sys_sendmsg+0xee/0x170 [ 126.089169][ T10] __sys_sendmsg+0xcd/0x170 [ 126.089169][ T10] do_syscall_64+0xc6/0x1e0 [ 126.089169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.089169][ T10] [ 126.091313][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 126.091313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.091313][ T10] ipv6_find_idev+0x102/0x170 [ 126.091313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.091313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.091313][ T10] netlink_rcv_skb+0x130/0x360 [ 126.091313][ T10] netlink_unicast+0x449/0x710 [ 126.091313][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.091313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.091313][ T10] ___sys_sendmsg+0xee/0x170 [ 126.091313][ T10] __sys_sendmsg+0xcd/0x170 [ 126.091313][ T10] do_syscall_64+0xc6/0x1e0 [ 126.091313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.091313][ T10] [ 126.092973][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 126.092973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.092973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.092973][ T10] ipv6_find_idev+0x102/0x170 [ 126.092973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.092973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.092973][ T10] netlink_rcv_skb+0x130/0x360 [ 126.092973][ T10] netlink_unicast+0x449/0x710 [ 126.092973][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.092973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.092973][ T10] ___sys_sendmsg+0xee/0x170 [ 126.092973][ T10] __sys_sendmsg+0xcd/0x170 [ 126.092973][ T10] do_syscall_64+0xc6/0x1e0 [ 126.092973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.092973][ T10] [ 126.094891][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 126.095170][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 126.095170][ T10] netdev_get_by_index+0x5e/0x80 [ 126.095170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 126.095170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 126.095170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 126.095170][ T10] ipv6_add_addr+0x411/0x2000 [ 126.095170][ T10] inet6_addr_add+0x30e/0xa40 [ 126.095170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 126.095170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.095170][ T10] netlink_rcv_skb+0x130/0x360 [ 126.095170][ T10] netlink_unicast+0x449/0x710 [ 126.095170][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.095170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.095170][ T10] ___sys_sendmsg+0xee/0x170 [ 126.095170][ T10] __sys_sendmsg+0xcd/0x170 [ 126.095170][ T10] do_syscall_64+0xc6/0x1e0 [ 126.095170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.095170][ T10] [ 126.097495][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 126.097495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 126.097495][ T10] ipv6_find_idev+0x102/0x170 [ 126.097495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.097495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.097495][ T10] netlink_rcv_skb+0x130/0x360 [ 126.097495][ T10] netlink_unicast+0x449/0x710 [ 126.097495][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.097495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.097495][ T10] ___sys_sendmsg+0xee/0x170 [ 126.097495][ T10] __sys_sendmsg+0xcd/0x170 [ 126.097495][ T10] do_syscall_64+0xc6/0x1e0 [ 126.097495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.097495][ T10] [ 126.099277][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 126.099277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 126.099277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 126.099277][ T10] ipv6_find_idev+0x102/0x170 [ 126.099277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 126.099277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 126.099277][ T10] netlink_rcv_skb+0x130/0x360 [ 126.099277][ T10] netlink_unicast+0x449/0x710 [ 126.099277][ T10] netlink_sendmsg+0x723/0xbe0 [ 126.099277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 126.099277][ T10] ___sys_sendmsg+0xee/0x170 [ 126.099277][ T10] __sys_sendmsg+0xcd/0x170 [ 126.099277][ T10] do_syscall_64+0xc6/0x1e0 [ 126.099277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 126.099277][ T10] [ 136.219867][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 136.220284][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 136.220284][ T10] netdev_get_by_index+0x5e/0x80 [ 136.220284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.220284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.220284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.220284][ T10] ipv6_add_addr+0x411/0x2000 [ 136.220284][ T10] inet6_addr_add+0x30e/0xa40 [ 136.220284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.220284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.220284][ T10] netlink_rcv_skb+0x130/0x360 [ 136.220284][ T10] netlink_unicast+0x449/0x710 [ 136.220284][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.220284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.220284][ T10] ___sys_sendmsg+0xee/0x170 [ 136.220284][ T10] __sys_sendmsg+0xcd/0x170 [ 136.220284][ T10] do_syscall_64+0xc6/0x1e0 [ 136.220284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.220284][ T10] [ 136.222552][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 136.222552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.222552][ T10] ipv6_find_idev+0x102/0x170 [ 136.222552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.222552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.222552][ T10] netlink_rcv_skb+0x130/0x360 [ 136.222552][ T10] netlink_unicast+0x449/0x710 [ 136.222552][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.222552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.222552][ T10] ___sys_sendmsg+0xee/0x170 [ 136.222552][ T10] __sys_sendmsg+0xcd/0x170 [ 136.222552][ T10] do_syscall_64+0xc6/0x1e0 [ 136.222552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.222552][ T10] [ 136.224269][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 136.224269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.224269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.224269][ T10] ipv6_find_idev+0x102/0x170 [ 136.224269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.224269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.224269][ T10] netlink_rcv_skb+0x130/0x360 [ 136.224269][ T10] netlink_unicast+0x449/0x710 [ 136.224269][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.224269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.224269][ T10] ___sys_sendmsg+0xee/0x170 [ 136.224269][ T10] __sys_sendmsg+0xcd/0x170 [ 136.224269][ T10] do_syscall_64+0xc6/0x1e0 [ 136.224269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.224269][ T10] [ 136.226172][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 136.226457][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 136.226457][ T10] netdev_get_by_index+0x5e/0x80 [ 136.226457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.226457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.226457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.226457][ T10] ipv6_add_addr+0x411/0x2000 [ 136.226457][ T10] inet6_addr_add+0x30e/0xa40 [ 136.226457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.226457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.226457][ T10] netlink_rcv_skb+0x130/0x360 [ 136.226457][ T10] netlink_unicast+0x449/0x710 [ 136.226457][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.226457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.226457][ T10] ___sys_sendmsg+0xee/0x170 [ 136.226457][ T10] __sys_sendmsg+0xcd/0x170 [ 136.226457][ T10] do_syscall_64+0xc6/0x1e0 [ 136.226457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.226457][ T10] [ 136.228522][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 136.228522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.228522][ T10] ipv6_find_idev+0x102/0x170 [ 136.228522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.228522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.228522][ T10] netlink_rcv_skb+0x130/0x360 [ 136.228522][ T10] netlink_unicast+0x449/0x710 [ 136.228522][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.228522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.228522][ T10] ___sys_sendmsg+0xee/0x170 [ 136.228522][ T10] __sys_sendmsg+0xcd/0x170 [ 136.228522][ T10] do_syscall_64+0xc6/0x1e0 [ 136.228522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.228522][ T10] [ 136.230100][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 136.230100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.230100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.230100][ T10] ipv6_find_idev+0x102/0x170 [ 136.230100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.230100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.230100][ T10] netlink_rcv_skb+0x130/0x360 [ 136.230100][ T10] netlink_unicast+0x449/0x710 [ 136.230100][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.230100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.230100][ T10] ___sys_sendmsg+0xee/0x170 [ 136.230100][ T10] __sys_sendmsg+0xcd/0x170 [ 136.230100][ T10] do_syscall_64+0xc6/0x1e0 [ 136.230100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.230100][ T10] [ 136.231868][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 136.232161][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 136.232161][ T10] netdev_get_by_index+0x5e/0x80 [ 136.232161][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.232161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.232161][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.232161][ T10] ipv6_add_addr+0x411/0x2000 [ 136.232161][ T10] inet6_addr_add+0x30e/0xa40 [ 136.232161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.232161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.232161][ T10] netlink_rcv_skb+0x130/0x360 [ 136.232161][ T10] netlink_unicast+0x449/0x710 [ 136.232161][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.232161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.232161][ T10] ___sys_sendmsg+0xee/0x170 [ 136.232161][ T10] __sys_sendmsg+0xcd/0x170 [ 136.232161][ T10] do_syscall_64+0xc6/0x1e0 [ 136.232161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.232161][ T10] [ 136.234277][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 136.234277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.234277][ T10] ipv6_find_idev+0x102/0x170 [ 136.234277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.234277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.234277][ T10] netlink_rcv_skb+0x130/0x360 [ 136.234277][ T10] netlink_unicast+0x449/0x710 [ 136.234277][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.234277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.234277][ T10] ___sys_sendmsg+0xee/0x170 [ 136.234277][ T10] __sys_sendmsg+0xcd/0x170 [ 136.234277][ T10] do_syscall_64+0xc6/0x1e0 [ 136.234277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.234277][ T10] [ 136.235917][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 136.235917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.235917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.235917][ T10] ipv6_find_idev+0x102/0x170 [ 136.235917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.235917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.235917][ T10] netlink_rcv_skb+0x130/0x360 [ 136.235917][ T10] netlink_unicast+0x449/0x710 [ 136.235917][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.235917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.235917][ T10] ___sys_sendmsg+0xee/0x170 [ 136.235917][ T10] __sys_sendmsg+0xcd/0x170 [ 136.235917][ T10] do_syscall_64+0xc6/0x1e0 [ 136.235917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.235917][ T10] [ 136.237865][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 136.238170][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 136.238170][ T10] netdev_get_by_index+0x5e/0x80 [ 136.238170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.238170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.238170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.238170][ T10] ipv6_add_addr+0x411/0x2000 [ 136.238170][ T10] inet6_addr_add+0x30e/0xa40 [ 136.238170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.238170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.238170][ T10] netlink_rcv_skb+0x130/0x360 [ 136.238170][ T10] netlink_unicast+0x449/0x710 [ 136.238170][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.238170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.238170][ T10] ___sys_sendmsg+0xee/0x170 [ 136.238170][ T10] __sys_sendmsg+0xcd/0x170 [ 136.238170][ T10] do_syscall_64+0xc6/0x1e0 [ 136.238170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.238170][ T10] [ 136.240691][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 136.240691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.240691][ T10] ipv6_find_idev+0x102/0x170 [ 136.240691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.240691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.240691][ T10] netlink_rcv_skb+0x130/0x360 [ 136.240691][ T10] netlink_unicast+0x449/0x710 [ 136.240691][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.240691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.240691][ T10] ___sys_sendmsg+0xee/0x170 [ 136.240691][ T10] __sys_sendmsg+0xcd/0x170 [ 136.240691][ T10] do_syscall_64+0xc6/0x1e0 [ 136.240691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.240691][ T10] [ 136.242688][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 136.242688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.242688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.242688][ T10] ipv6_find_idev+0x102/0x170 [ 136.242688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.242688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.242688][ T10] netlink_rcv_skb+0x130/0x360 [ 136.242688][ T10] netlink_unicast+0x449/0x710 [ 136.242688][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.242688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.242688][ T10] ___sys_sendmsg+0xee/0x170 [ 136.242688][ T10] __sys_sendmsg+0xcd/0x170 [ 136.242688][ T10] do_syscall_64+0xc6/0x1e0 [ 136.242688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.242688][ T10] [ 136.244979][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 136.245321][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 136.245321][ T10] netdev_get_by_index+0x5e/0x80 [ 136.245321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.245321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.245321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.245321][ T10] ipv6_add_addr+0x411/0x2000 [ 136.245321][ T10] inet6_addr_add+0x30e/0xa40 [ 136.245321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.245321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.245321][ T10] netlink_rcv_skb+0x130/0x360 [ 136.245321][ T10] netlink_unicast+0x449/0x710 [ 136.245321][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.245321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.245321][ T10] ___sys_sendmsg+0xee/0x170 [ 136.245321][ T10] __sys_sendmsg+0xcd/0x170 [ 136.245321][ T10] do_syscall_64+0xc6/0x1e0 [ 136.245321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.245321][ T10] [ 136.247720][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 136.247720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.247720][ T10] ipv6_find_idev+0x102/0x170 [ 136.247720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.247720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.247720][ T10] netlink_rcv_skb+0x130/0x360 [ 136.247720][ T10] netlink_unicast+0x449/0x710 [ 136.247720][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.247720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.247720][ T10] ___sys_sendmsg+0xee/0x170 [ 136.247720][ T10] __sys_sendmsg+0xcd/0x170 [ 136.247720][ T10] do_syscall_64+0xc6/0x1e0 [ 136.247720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.247720][ T10] [ 136.249542][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 136.249542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.249542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.249542][ T10] ipv6_find_idev+0x102/0x170 [ 136.249542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.249542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.249542][ T10] netlink_rcv_skb+0x130/0x360 [ 136.249542][ T10] netlink_unicast+0x449/0x710 [ 136.249542][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.249542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.249542][ T10] ___sys_sendmsg+0xee/0x170 [ 136.249542][ T10] __sys_sendmsg+0xcd/0x170 [ 136.249542][ T10] do_syscall_64+0xc6/0x1e0 [ 136.249542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.249542][ T10] [ 136.251860][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 136.252156][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 136.252156][ T10] netdev_get_by_index+0x5e/0x80 [ 136.252156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.252156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.252156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.252156][ T10] ipv6_add_addr+0x411/0x2000 [ 136.252156][ T10] inet6_addr_add+0x30e/0xa40 [ 136.252156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.252156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.252156][ T10] netlink_rcv_skb+0x130/0x360 [ 136.252156][ T10] netlink_unicast+0x449/0x710 [ 136.252156][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.252156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.252156][ T10] ___sys_sendmsg+0xee/0x170 [ 136.252156][ T10] __sys_sendmsg+0xcd/0x170 [ 136.252156][ T10] do_syscall_64+0xc6/0x1e0 [ 136.252156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.252156][ T10] [ 136.254352][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 136.254352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.254352][ T10] ipv6_find_idev+0x102/0x170 [ 136.254352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.254352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.254352][ T10] netlink_rcv_skb+0x130/0x360 [ 136.254352][ T10] netlink_unicast+0x449/0x710 [ 136.254352][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.254352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.254352][ T10] ___sys_sendmsg+0xee/0x170 [ 136.254352][ T10] __sys_sendmsg+0xcd/0x170 [ 136.254352][ T10] do_syscall_64+0xc6/0x1e0 [ 136.254352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.254352][ T10] [ 136.255980][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 136.255980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.255980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.255980][ T10] ipv6_find_idev+0x102/0x170 [ 136.255980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.255980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.255980][ T10] netlink_rcv_skb+0x130/0x360 [ 136.255980][ T10] netlink_unicast+0x449/0x710 [ 136.255980][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.255980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.255980][ T10] ___sys_sendmsg+0xee/0x170 [ 136.255980][ T10] __sys_sendmsg+0xcd/0x170 [ 136.255980][ T10] do_syscall_64+0xc6/0x1e0 [ 136.255980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.255980][ T10] [ 136.257821][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 136.258167][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 136.258167][ T10] netdev_get_by_index+0x5e/0x80 [ 136.258167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.258167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.258167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.258167][ T10] ipv6_add_addr+0x411/0x2000 [ 136.258167][ T10] inet6_addr_add+0x30e/0xa40 [ 136.258167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.258167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.258167][ T10] netlink_rcv_skb+0x130/0x360 [ 136.258167][ T10] netlink_unicast+0x449/0x710 [ 136.258167][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.258167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.258167][ T10] ___sys_sendmsg+0xee/0x170 [ 136.258167][ T10] __sys_sendmsg+0xcd/0x170 [ 136.258167][ T10] do_syscall_64+0xc6/0x1e0 [ 136.258167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.258167][ T10] [ 136.260253][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 136.260253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.260253][ T10] ipv6_find_idev+0x102/0x170 [ 136.260253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.260253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.260253][ T10] netlink_rcv_skb+0x130/0x360 [ 136.260253][ T10] netlink_unicast+0x449/0x710 [ 136.260253][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.260253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.260253][ T10] ___sys_sendmsg+0xee/0x170 [ 136.260253][ T10] __sys_sendmsg+0xcd/0x170 [ 136.260253][ T10] do_syscall_64+0xc6/0x1e0 [ 136.260253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.260253][ T10] [ 136.262079][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 136.262079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.262079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.262079][ T10] ipv6_find_idev+0x102/0x170 [ 136.262079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.262079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.262079][ T10] netlink_rcv_skb+0x130/0x360 [ 136.262079][ T10] netlink_unicast+0x449/0x710 [ 136.262079][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.262079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.262079][ T10] ___sys_sendmsg+0xee/0x170 [ 136.262079][ T10] __sys_sendmsg+0xcd/0x170 [ 136.262079][ T10] do_syscall_64+0xc6/0x1e0 [ 136.262079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.262079][ T10] [ 136.264185][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 136.264562][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 136.264562][ T10] netdev_get_by_index+0x5e/0x80 [ 136.264562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 136.264562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 136.264562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 136.264562][ T10] ipv6_add_addr+0x411/0x2000 [ 136.264562][ T10] inet6_addr_add+0x30e/0xa40 [ 136.264562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 136.264562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.264562][ T10] netlink_rcv_skb+0x130/0x360 [ 136.264562][ T10] netlink_unicast+0x449/0x710 [ 136.264562][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.264562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.264562][ T10] ___sys_sendmsg+0xee/0x170 [ 136.264562][ T10] __sys_sendmsg+0xcd/0x170 [ 136.264562][ T10] do_syscall_64+0xc6/0x1e0 [ 136.264562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.264562][ T10] [ 136.266929][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 136.266929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 136.266929][ T10] ipv6_find_idev+0x102/0x170 [ 136.266929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.266929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.266929][ T10] netlink_rcv_skb+0x130/0x360 [ 136.266929][ T10] netlink_unicast+0x449/0x710 [ 136.266929][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.266929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.266929][ T10] ___sys_sendmsg+0xee/0x170 [ 136.266929][ T10] __sys_sendmsg+0xcd/0x170 [ 136.266929][ T10] do_syscall_64+0xc6/0x1e0 [ 136.266929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.266929][ T10] [ 136.268720][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 136.268720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 136.268720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 136.268720][ T10] ipv6_find_idev+0x102/0x170 [ 136.268720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 136.268720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 136.268720][ T10] netlink_rcv_skb+0x130/0x360 [ 136.268720][ T10] netlink_unicast+0x449/0x710 [ 136.268720][ T10] netlink_sendmsg+0x723/0xbe0 [ 136.268720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 136.268720][ T10] ___sys_sendmsg+0xee/0x170 [ 136.268720][ T10] __sys_sendmsg+0xcd/0x170 [ 136.268720][ T10] do_syscall_64+0xc6/0x1e0 [ 136.268720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 136.268720][ T10] [ 146.378930][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 146.379356][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 146.379356][ T10] netdev_get_by_index+0x5e/0x80 [ 146.379356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.379356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.379356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.379356][ T10] ipv6_add_addr+0x411/0x2000 [ 146.379356][ T10] inet6_addr_add+0x30e/0xa40 [ 146.379356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.379356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.379356][ T10] netlink_rcv_skb+0x130/0x360 [ 146.379356][ T10] netlink_unicast+0x449/0x710 [ 146.379356][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.379356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.379356][ T10] ___sys_sendmsg+0xee/0x170 [ 146.379356][ T10] __sys_sendmsg+0xcd/0x170 [ 146.379356][ T10] do_syscall_64+0xc6/0x1e0 [ 146.379356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.379356][ T10] [ 146.381547][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 146.381547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.381547][ T10] ipv6_find_idev+0x102/0x170 [ 146.381547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.381547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.381547][ T10] netlink_rcv_skb+0x130/0x360 [ 146.381547][ T10] netlink_unicast+0x449/0x710 [ 146.381547][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.381547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.381547][ T10] ___sys_sendmsg+0xee/0x170 [ 146.381547][ T10] __sys_sendmsg+0xcd/0x170 [ 146.381547][ T10] do_syscall_64+0xc6/0x1e0 [ 146.381547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.381547][ T10] [ 146.383200][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 146.383200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.383200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.383200][ T10] ipv6_find_idev+0x102/0x170 [ 146.383200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.383200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.383200][ T10] netlink_rcv_skb+0x130/0x360 [ 146.383200][ T10] netlink_unicast+0x449/0x710 [ 146.383200][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.383200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.383200][ T10] ___sys_sendmsg+0xee/0x170 [ 146.383200][ T10] __sys_sendmsg+0xcd/0x170 [ 146.383200][ T10] do_syscall_64+0xc6/0x1e0 [ 146.383200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.383200][ T10] [ 146.384952][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 146.385242][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 146.385242][ T10] netdev_get_by_index+0x5e/0x80 [ 146.385242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.385242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.385242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.385242][ T10] ipv6_add_addr+0x411/0x2000 [ 146.385242][ T10] inet6_addr_add+0x30e/0xa40 [ 146.385242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.385242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.385242][ T10] netlink_rcv_skb+0x130/0x360 [ 146.385242][ T10] netlink_unicast+0x449/0x710 [ 146.385242][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.385242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.385242][ T10] ___sys_sendmsg+0xee/0x170 [ 146.385242][ T10] __sys_sendmsg+0xcd/0x170 [ 146.385242][ T10] do_syscall_64+0xc6/0x1e0 [ 146.385242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.385242][ T10] [ 146.387269][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 146.387269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.387269][ T10] ipv6_find_idev+0x102/0x170 [ 146.387269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.387269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.387269][ T10] netlink_rcv_skb+0x130/0x360 [ 146.387269][ T10] netlink_unicast+0x449/0x710 [ 146.387269][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.387269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.387269][ T10] ___sys_sendmsg+0xee/0x170 [ 146.387269][ T10] __sys_sendmsg+0xcd/0x170 [ 146.387269][ T10] do_syscall_64+0xc6/0x1e0 [ 146.387269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.387269][ T10] [ 146.388831][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 146.388831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.388831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.388831][ T10] ipv6_find_idev+0x102/0x170 [ 146.388831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.388831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.388831][ T10] netlink_rcv_skb+0x130/0x360 [ 146.388831][ T10] netlink_unicast+0x449/0x710 [ 146.388831][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.388831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.388831][ T10] ___sys_sendmsg+0xee/0x170 [ 146.388831][ T10] __sys_sendmsg+0xcd/0x170 [ 146.388831][ T10] do_syscall_64+0xc6/0x1e0 [ 146.388831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.388831][ T10] [ 146.390546][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 146.390814][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 146.390814][ T10] netdev_get_by_index+0x5e/0x80 [ 146.390814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.390814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.390814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.390814][ T10] ipv6_add_addr+0x411/0x2000 [ 146.390814][ T10] inet6_addr_add+0x30e/0xa40 [ 146.390814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.390814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.390814][ T10] netlink_rcv_skb+0x130/0x360 [ 146.390814][ T10] netlink_unicast+0x449/0x710 [ 146.390814][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.390814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.390814][ T10] ___sys_sendmsg+0xee/0x170 [ 146.390814][ T10] __sys_sendmsg+0xcd/0x170 [ 146.390814][ T10] do_syscall_64+0xc6/0x1e0 [ 146.390814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.390814][ T10] [ 146.392852][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 146.392852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.392852][ T10] ipv6_find_idev+0x102/0x170 [ 146.392852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.392852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.392852][ T10] netlink_rcv_skb+0x130/0x360 [ 146.392852][ T10] netlink_unicast+0x449/0x710 [ 146.392852][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.392852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.392852][ T10] ___sys_sendmsg+0xee/0x170 [ 146.392852][ T10] __sys_sendmsg+0xcd/0x170 [ 146.392852][ T10] do_syscall_64+0xc6/0x1e0 [ 146.392852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.392852][ T10] [ 146.394443][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 146.394443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.394443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.394443][ T10] ipv6_find_idev+0x102/0x170 [ 146.394443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.394443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.394443][ T10] netlink_rcv_skb+0x130/0x360 [ 146.394443][ T10] netlink_unicast+0x449/0x710 [ 146.394443][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.394443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.394443][ T10] ___sys_sendmsg+0xee/0x170 [ 146.394443][ T10] __sys_sendmsg+0xcd/0x170 [ 146.394443][ T10] do_syscall_64+0xc6/0x1e0 [ 146.394443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.394443][ T10] [ 146.396166][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 146.396457][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 146.396457][ T10] netdev_get_by_index+0x5e/0x80 [ 146.396457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.396457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.396457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.396457][ T10] ipv6_add_addr+0x411/0x2000 [ 146.396457][ T10] inet6_addr_add+0x30e/0xa40 [ 146.396457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.396457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.396457][ T10] netlink_rcv_skb+0x130/0x360 [ 146.396457][ T10] netlink_unicast+0x449/0x710 [ 146.396457][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.396457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.396457][ T10] ___sys_sendmsg+0xee/0x170 [ 146.396457][ T10] __sys_sendmsg+0xcd/0x170 [ 146.396457][ T10] do_syscall_64+0xc6/0x1e0 [ 146.396457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.396457][ T10] [ 146.398531][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 146.398531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.398531][ T10] ipv6_find_idev+0x102/0x170 [ 146.398531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.398531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.398531][ T10] netlink_rcv_skb+0x130/0x360 [ 146.398531][ T10] netlink_unicast+0x449/0x710 [ 146.398531][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.398531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.398531][ T10] ___sys_sendmsg+0xee/0x170 [ 146.398531][ T10] __sys_sendmsg+0xcd/0x170 [ 146.398531][ T10] do_syscall_64+0xc6/0x1e0 [ 146.398531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.398531][ T10] [ 146.400159][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 146.400159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.400159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.400159][ T10] ipv6_find_idev+0x102/0x170 [ 146.400159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.400159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.400159][ T10] netlink_rcv_skb+0x130/0x360 [ 146.400159][ T10] netlink_unicast+0x449/0x710 [ 146.400159][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.400159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.400159][ T10] ___sys_sendmsg+0xee/0x170 [ 146.400159][ T10] __sys_sendmsg+0xcd/0x170 [ 146.400159][ T10] do_syscall_64+0xc6/0x1e0 [ 146.400159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.400159][ T10] [ 146.402026][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 146.402313][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 146.402313][ T10] netdev_get_by_index+0x5e/0x80 [ 146.402313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.402313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.402313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.402313][ T10] ipv6_add_addr+0x411/0x2000 [ 146.402313][ T10] inet6_addr_add+0x30e/0xa40 [ 146.402313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.402313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.402313][ T10] netlink_rcv_skb+0x130/0x360 [ 146.402313][ T10] netlink_unicast+0x449/0x710 [ 146.402313][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.402313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.402313][ T10] ___sys_sendmsg+0xee/0x170 [ 146.402313][ T10] __sys_sendmsg+0xcd/0x170 [ 146.402313][ T10] do_syscall_64+0xc6/0x1e0 [ 146.402313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.402313][ T10] [ 146.404388][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 146.404388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.404388][ T10] ipv6_find_idev+0x102/0x170 [ 146.404388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.404388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.404388][ T10] netlink_rcv_skb+0x130/0x360 [ 146.404388][ T10] netlink_unicast+0x449/0x710 [ 146.404388][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.404388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.404388][ T10] ___sys_sendmsg+0xee/0x170 [ 146.404388][ T10] __sys_sendmsg+0xcd/0x170 [ 146.404388][ T10] do_syscall_64+0xc6/0x1e0 [ 146.404388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.404388][ T10] [ 146.406069][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 146.406069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.406069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.406069][ T10] ipv6_find_idev+0x102/0x170 [ 146.406069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.406069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.406069][ T10] netlink_rcv_skb+0x130/0x360 [ 146.406069][ T10] netlink_unicast+0x449/0x710 [ 146.406069][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.406069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.406069][ T10] ___sys_sendmsg+0xee/0x170 [ 146.406069][ T10] __sys_sendmsg+0xcd/0x170 [ 146.406069][ T10] do_syscall_64+0xc6/0x1e0 [ 146.406069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.406069][ T10] [ 146.408040][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 146.408315][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 146.408315][ T10] netdev_get_by_index+0x5e/0x80 [ 146.408315][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.408315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.408315][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.408315][ T10] ipv6_add_addr+0x411/0x2000 [ 146.408315][ T10] inet6_addr_add+0x30e/0xa40 [ 146.408315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.408315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.408315][ T10] netlink_rcv_skb+0x130/0x360 [ 146.408315][ T10] netlink_unicast+0x449/0x710 [ 146.408315][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.408315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.408315][ T10] ___sys_sendmsg+0xee/0x170 [ 146.408315][ T10] __sys_sendmsg+0xcd/0x170 [ 146.408315][ T10] do_syscall_64+0xc6/0x1e0 [ 146.408315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.408315][ T10] [ 146.410666][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 146.410666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.410666][ T10] ipv6_find_idev+0x102/0x170 [ 146.410666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.410666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.410666][ T10] netlink_rcv_skb+0x130/0x360 [ 146.410666][ T10] netlink_unicast+0x449/0x710 [ 146.410666][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.410666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.410666][ T10] ___sys_sendmsg+0xee/0x170 [ 146.410666][ T10] __sys_sendmsg+0xcd/0x170 [ 146.410666][ T10] do_syscall_64+0xc6/0x1e0 [ 146.410666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.410666][ T10] [ 146.412400][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 146.412400][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.412400][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.412400][ T10] ipv6_find_idev+0x102/0x170 [ 146.412400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.412400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.412400][ T10] netlink_rcv_skb+0x130/0x360 [ 146.412400][ T10] netlink_unicast+0x449/0x710 [ 146.412400][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.412400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.412400][ T10] ___sys_sendmsg+0xee/0x170 [ 146.412400][ T10] __sys_sendmsg+0xcd/0x170 [ 146.412400][ T10] do_syscall_64+0xc6/0x1e0 [ 146.412400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.412400][ T10] [ 146.414487][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 146.414799][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 146.414799][ T10] netdev_get_by_index+0x5e/0x80 [ 146.414799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.414799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.414799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.414799][ T10] ipv6_add_addr+0x411/0x2000 [ 146.414799][ T10] inet6_addr_add+0x30e/0xa40 [ 146.414799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.414799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.414799][ T10] netlink_rcv_skb+0x130/0x360 [ 146.414799][ T10] netlink_unicast+0x449/0x710 [ 146.414799][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.414799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.414799][ T10] ___sys_sendmsg+0xee/0x170 [ 146.414799][ T10] __sys_sendmsg+0xcd/0x170 [ 146.414799][ T10] do_syscall_64+0xc6/0x1e0 [ 146.414799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.414799][ T10] [ 146.417313][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 146.417313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.417313][ T10] ipv6_find_idev+0x102/0x170 [ 146.417313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.417313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.417313][ T10] netlink_rcv_skb+0x130/0x360 [ 146.417313][ T10] netlink_unicast+0x449/0x710 [ 146.417313][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.417313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.417313][ T10] ___sys_sendmsg+0xee/0x170 [ 146.417313][ T10] __sys_sendmsg+0xcd/0x170 [ 146.417313][ T10] do_syscall_64+0xc6/0x1e0 [ 146.417313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.417313][ T10] [ 146.419172][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 146.419172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.419172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.419172][ T10] ipv6_find_idev+0x102/0x170 [ 146.419172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.419172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.419172][ T10] netlink_rcv_skb+0x130/0x360 [ 146.419172][ T10] netlink_unicast+0x449/0x710 [ 146.419172][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.419172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.419172][ T10] ___sys_sendmsg+0xee/0x170 [ 146.419172][ T10] __sys_sendmsg+0xcd/0x170 [ 146.419172][ T10] do_syscall_64+0xc6/0x1e0 [ 146.419172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.419172][ T10] [ 146.421297][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 146.421582][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 146.421582][ T10] netdev_get_by_index+0x5e/0x80 [ 146.421582][ T10] fib6_nh_init+0x3d8/0x15b0 [ 146.421582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 146.421582][ T10] addrconf_f6i_alloc+0x244/0x410 [ 146.421582][ T10] ipv6_add_addr+0x411/0x2000 [ 146.421582][ T10] inet6_addr_add+0x30e/0xa40 [ 146.421582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 146.421582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.421582][ T10] netlink_rcv_skb+0x130/0x360 [ 146.421582][ T10] netlink_unicast+0x449/0x710 [ 146.421582][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.421582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.421582][ T10] ___sys_sendmsg+0xee/0x170 [ 146.421582][ T10] __sys_sendmsg+0xcd/0x170 [ 146.421582][ T10] do_syscall_64+0xc6/0x1e0 [ 146.421582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.421582][ T10] [ 146.423994][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 146.423994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 146.423994][ T10] ipv6_find_idev+0x102/0x170 [ 146.423994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.423994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.423994][ T10] netlink_rcv_skb+0x130/0x360 [ 146.423994][ T10] netlink_unicast+0x449/0x710 [ 146.423994][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.423994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.423994][ T10] ___sys_sendmsg+0xee/0x170 [ 146.423994][ T10] __sys_sendmsg+0xcd/0x170 [ 146.423994][ T10] do_syscall_64+0xc6/0x1e0 [ 146.423994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.423994][ T10] [ 146.425895][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 146.425895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 146.425895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 146.425895][ T10] ipv6_find_idev+0x102/0x170 [ 146.425895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 146.425895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 146.425895][ T10] netlink_rcv_skb+0x130/0x360 [ 146.425895][ T10] netlink_unicast+0x449/0x710 [ 146.425895][ T10] netlink_sendmsg+0x723/0xbe0 [ 146.425895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 146.425895][ T10] ___sys_sendmsg+0xee/0x170 [ 146.425895][ T10] __sys_sendmsg+0xcd/0x170 [ 146.425895][ T10] do_syscall_64+0xc6/0x1e0 [ 146.425895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 146.425895][ T10] [ 156.508146][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 156.508528][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 156.508528][ T10] netdev_get_by_index+0x5e/0x80 [ 156.508528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.508528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.508528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.508528][ T10] ipv6_add_addr+0x411/0x2000 [ 156.508528][ T10] inet6_addr_add+0x30e/0xa40 [ 156.508528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.508528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.508528][ T10] netlink_rcv_skb+0x130/0x360 [ 156.508528][ T10] netlink_unicast+0x449/0x710 [ 156.508528][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.508528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.508528][ T10] ___sys_sendmsg+0xee/0x170 [ 156.508528][ T10] __sys_sendmsg+0xcd/0x170 [ 156.508528][ T10] do_syscall_64+0xc6/0x1e0 [ 156.508528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.508528][ T10] [ 156.510804][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 156.510804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.510804][ T10] ipv6_find_idev+0x102/0x170 [ 156.510804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.510804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.510804][ T10] netlink_rcv_skb+0x130/0x360 [ 156.510804][ T10] netlink_unicast+0x449/0x710 [ 156.510804][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.510804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.510804][ T10] ___sys_sendmsg+0xee/0x170 [ 156.510804][ T10] __sys_sendmsg+0xcd/0x170 [ 156.510804][ T10] do_syscall_64+0xc6/0x1e0 [ 156.510804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.510804][ T10] [ 156.512567][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 156.512567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.512567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.512567][ T10] ipv6_find_idev+0x102/0x170 [ 156.512567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.512567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.512567][ T10] netlink_rcv_skb+0x130/0x360 [ 156.512567][ T10] netlink_unicast+0x449/0x710 [ 156.512567][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.512567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.512567][ T10] ___sys_sendmsg+0xee/0x170 [ 156.512567][ T10] __sys_sendmsg+0xcd/0x170 [ 156.512567][ T10] do_syscall_64+0xc6/0x1e0 [ 156.512567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.512567][ T10] [ 156.515066][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 156.515375][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 156.515375][ T10] netdev_get_by_index+0x5e/0x80 [ 156.515375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.515375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.515375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.515375][ T10] ipv6_add_addr+0x411/0x2000 [ 156.515375][ T10] inet6_addr_add+0x30e/0xa40 [ 156.515375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.515375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.515375][ T10] netlink_rcv_skb+0x130/0x360 [ 156.515375][ T10] netlink_unicast+0x449/0x710 [ 156.515375][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.515375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.515375][ T10] ___sys_sendmsg+0xee/0x170 [ 156.515375][ T10] __sys_sendmsg+0xcd/0x170 [ 156.515375][ T10] do_syscall_64+0xc6/0x1e0 [ 156.515375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.515375][ T10] [ 156.517456][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 156.517456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.517456][ T10] ipv6_find_idev+0x102/0x170 [ 156.517456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.517456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.517456][ T10] netlink_rcv_skb+0x130/0x360 [ 156.517456][ T10] netlink_unicast+0x449/0x710 [ 156.517456][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.517456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.517456][ T10] ___sys_sendmsg+0xee/0x170 [ 156.517456][ T10] __sys_sendmsg+0xcd/0x170 [ 156.517456][ T10] do_syscall_64+0xc6/0x1e0 [ 156.517456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.517456][ T10] [ 156.519039][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 156.519039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.519039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.519039][ T10] ipv6_find_idev+0x102/0x170 [ 156.519039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.519039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.519039][ T10] netlink_rcv_skb+0x130/0x360 [ 156.519039][ T10] netlink_unicast+0x449/0x710 [ 156.519039][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.519039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.519039][ T10] ___sys_sendmsg+0xee/0x170 [ 156.519039][ T10] __sys_sendmsg+0xcd/0x170 [ 156.519039][ T10] do_syscall_64+0xc6/0x1e0 [ 156.519039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.519039][ T10] [ 156.520781][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 156.521733][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 156.521733][ T10] netdev_get_by_index+0x5e/0x80 [ 156.521733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.521733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.521733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.521733][ T10] ipv6_add_addr+0x411/0x2000 [ 156.521733][ T10] inet6_addr_add+0x30e/0xa40 [ 156.521733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.521733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.521733][ T10] netlink_rcv_skb+0x130/0x360 [ 156.521733][ T10] netlink_unicast+0x449/0x710 [ 156.521733][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.521733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.521733][ T10] ___sys_sendmsg+0xee/0x170 [ 156.521733][ T10] __sys_sendmsg+0xcd/0x170 [ 156.521733][ T10] do_syscall_64+0xc6/0x1e0 [ 156.521733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.521733][ T10] [ 156.523824][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 156.523824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.523824][ T10] ipv6_find_idev+0x102/0x170 [ 156.523824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.523824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.523824][ T10] netlink_rcv_skb+0x130/0x360 [ 156.523824][ T10] netlink_unicast+0x449/0x710 [ 156.523824][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.523824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.523824][ T10] ___sys_sendmsg+0xee/0x170 [ 156.523824][ T10] __sys_sendmsg+0xcd/0x170 [ 156.523824][ T10] do_syscall_64+0xc6/0x1e0 [ 156.523824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.523824][ T10] [ 156.525417][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 156.525417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.525417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.525417][ T10] ipv6_find_idev+0x102/0x170 [ 156.525417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.525417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.525417][ T10] netlink_rcv_skb+0x130/0x360 [ 156.525417][ T10] netlink_unicast+0x449/0x710 [ 156.525417][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.525417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.525417][ T10] ___sys_sendmsg+0xee/0x170 [ 156.525417][ T10] __sys_sendmsg+0xcd/0x170 [ 156.525417][ T10] do_syscall_64+0xc6/0x1e0 [ 156.525417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.525417][ T10] [ 156.527226][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 156.527583][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 156.527583][ T10] netdev_get_by_index+0x5e/0x80 [ 156.527583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.527583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.527583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.527583][ T10] ipv6_add_addr+0x411/0x2000 [ 156.527583][ T10] inet6_addr_add+0x30e/0xa40 [ 156.527583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.527583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.527583][ T10] netlink_rcv_skb+0x130/0x360 [ 156.527583][ T10] netlink_unicast+0x449/0x710 [ 156.527583][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.527583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.527583][ T10] ___sys_sendmsg+0xee/0x170 [ 156.527583][ T10] __sys_sendmsg+0xcd/0x170 [ 156.527583][ T10] do_syscall_64+0xc6/0x1e0 [ 156.527583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.527583][ T10] [ 156.529683][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 156.529683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.529683][ T10] ipv6_find_idev+0x102/0x170 [ 156.529683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.529683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.529683][ T10] netlink_rcv_skb+0x130/0x360 [ 156.529683][ T10] netlink_unicast+0x449/0x710 [ 156.529683][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.529683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.529683][ T10] ___sys_sendmsg+0xee/0x170 [ 156.529683][ T10] __sys_sendmsg+0xcd/0x170 [ 156.529683][ T10] do_syscall_64+0xc6/0x1e0 [ 156.529683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.529683][ T10] [ 156.531305][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 156.531305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.531305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.531305][ T10] ipv6_find_idev+0x102/0x170 [ 156.531305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.531305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.531305][ T10] netlink_rcv_skb+0x130/0x360 [ 156.531305][ T10] netlink_unicast+0x449/0x710 [ 156.531305][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.531305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.531305][ T10] ___sys_sendmsg+0xee/0x170 [ 156.531305][ T10] __sys_sendmsg+0xcd/0x170 [ 156.531305][ T10] do_syscall_64+0xc6/0x1e0 [ 156.531305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.531305][ T10] [ 156.533482][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 156.533860][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 156.533860][ T10] netdev_get_by_index+0x5e/0x80 [ 156.533860][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.533860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.533860][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.533860][ T10] ipv6_add_addr+0x411/0x2000 [ 156.533860][ T10] inet6_addr_add+0x30e/0xa40 [ 156.533860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.533860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.533860][ T10] netlink_rcv_skb+0x130/0x360 [ 156.533860][ T10] netlink_unicast+0x449/0x710 [ 156.533860][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.533860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.533860][ T10] ___sys_sendmsg+0xee/0x170 [ 156.533860][ T10] __sys_sendmsg+0xcd/0x170 [ 156.533860][ T10] do_syscall_64+0xc6/0x1e0 [ 156.533860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.533860][ T10] [ 156.536127][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 156.536127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.536127][ T10] ipv6_find_idev+0x102/0x170 [ 156.536127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.536127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.536127][ T10] netlink_rcv_skb+0x130/0x360 [ 156.536127][ T10] netlink_unicast+0x449/0x710 [ 156.536127][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.536127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.536127][ T10] ___sys_sendmsg+0xee/0x170 [ 156.536127][ T10] __sys_sendmsg+0xcd/0x170 [ 156.536127][ T10] do_syscall_64+0xc6/0x1e0 [ 156.536127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.536127][ T10] [ 156.537899][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 156.537899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.537899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.537899][ T10] ipv6_find_idev+0x102/0x170 [ 156.537899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.537899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.537899][ T10] netlink_rcv_skb+0x130/0x360 [ 156.537899][ T10] netlink_unicast+0x449/0x710 [ 156.537899][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.537899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.537899][ T10] ___sys_sendmsg+0xee/0x170 [ 156.537899][ T10] __sys_sendmsg+0xcd/0x170 [ 156.537899][ T10] do_syscall_64+0xc6/0x1e0 [ 156.537899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.537899][ T10] [ 156.539932][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 156.540266][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 156.540266][ T10] netdev_get_by_index+0x5e/0x80 [ 156.540266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.540266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.540266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.540266][ T10] ipv6_add_addr+0x411/0x2000 [ 156.540266][ T10] inet6_addr_add+0x30e/0xa40 [ 156.540266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.540266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.540266][ T10] netlink_rcv_skb+0x130/0x360 [ 156.540266][ T10] netlink_unicast+0x449/0x710 [ 156.540266][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.540266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.540266][ T10] ___sys_sendmsg+0xee/0x170 [ 156.540266][ T10] __sys_sendmsg+0xcd/0x170 [ 156.540266][ T10] do_syscall_64+0xc6/0x1e0 [ 156.540266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.540266][ T10] [ 156.542599][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 156.542599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.542599][ T10] ipv6_find_idev+0x102/0x170 [ 156.542599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.542599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.542599][ T10] netlink_rcv_skb+0x130/0x360 [ 156.542599][ T10] netlink_unicast+0x449/0x710 [ 156.542599][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.542599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.542599][ T10] ___sys_sendmsg+0xee/0x170 [ 156.542599][ T10] __sys_sendmsg+0xcd/0x170 [ 156.542599][ T10] do_syscall_64+0xc6/0x1e0 [ 156.542599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.542599][ T10] [ 156.544537][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 156.544537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.544537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.544537][ T10] ipv6_find_idev+0x102/0x170 [ 156.544537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.544537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.544537][ T10] netlink_rcv_skb+0x130/0x360 [ 156.544537][ T10] netlink_unicast+0x449/0x710 [ 156.544537][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.544537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.544537][ T10] ___sys_sendmsg+0xee/0x170 [ 156.544537][ T10] __sys_sendmsg+0xcd/0x170 [ 156.544537][ T10] do_syscall_64+0xc6/0x1e0 [ 156.544537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.544537][ T10] [ 156.546537][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 156.546953][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 156.546953][ T10] netdev_get_by_index+0x5e/0x80 [ 156.546953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.546953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.546953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.546953][ T10] ipv6_add_addr+0x411/0x2000 [ 156.546953][ T10] inet6_addr_add+0x30e/0xa40 [ 156.546953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.546953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.546953][ T10] netlink_rcv_skb+0x130/0x360 [ 156.546953][ T10] netlink_unicast+0x449/0x710 [ 156.546953][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.546953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.546953][ T10] ___sys_sendmsg+0xee/0x170 [ 156.546953][ T10] __sys_sendmsg+0xcd/0x170 [ 156.546953][ T10] do_syscall_64+0xc6/0x1e0 [ 156.546953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.546953][ T10] [ 156.549141][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 156.549141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.549141][ T10] ipv6_find_idev+0x102/0x170 [ 156.549141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.549141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.549141][ T10] netlink_rcv_skb+0x130/0x360 [ 156.549141][ T10] netlink_unicast+0x449/0x710 [ 156.549141][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.549141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.549141][ T10] ___sys_sendmsg+0xee/0x170 [ 156.549141][ T10] __sys_sendmsg+0xcd/0x170 [ 156.549141][ T10] do_syscall_64+0xc6/0x1e0 [ 156.549141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.549141][ T10] [ 156.550769][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 156.550769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.550769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.550769][ T10] ipv6_find_idev+0x102/0x170 [ 156.550769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.550769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.550769][ T10] netlink_rcv_skb+0x130/0x360 [ 156.550769][ T10] netlink_unicast+0x449/0x710 [ 156.550769][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.550769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.550769][ T10] ___sys_sendmsg+0xee/0x170 [ 156.550769][ T10] __sys_sendmsg+0xcd/0x170 [ 156.550769][ T10] do_syscall_64+0xc6/0x1e0 [ 156.550769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.550769][ T10] [ 156.552684][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 156.553123][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 156.553123][ T10] netdev_get_by_index+0x5e/0x80 [ 156.553123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 156.553123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 156.553123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 156.553123][ T10] ipv6_add_addr+0x411/0x2000 [ 156.553123][ T10] inet6_addr_add+0x30e/0xa40 [ 156.553123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 156.553123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.553123][ T10] netlink_rcv_skb+0x130/0x360 [ 156.553123][ T10] netlink_unicast+0x449/0x710 [ 156.553123][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.553123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.553123][ T10] ___sys_sendmsg+0xee/0x170 [ 156.553123][ T10] __sys_sendmsg+0xcd/0x170 [ 156.553123][ T10] do_syscall_64+0xc6/0x1e0 [ 156.553123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.553123][ T10] [ 156.555387][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 156.555387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 156.555387][ T10] ipv6_find_idev+0x102/0x170 [ 156.555387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.555387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.555387][ T10] netlink_rcv_skb+0x130/0x360 [ 156.555387][ T10] netlink_unicast+0x449/0x710 [ 156.555387][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.555387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.555387][ T10] ___sys_sendmsg+0xee/0x170 [ 156.555387][ T10] __sys_sendmsg+0xcd/0x170 [ 156.555387][ T10] do_syscall_64+0xc6/0x1e0 [ 156.555387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.555387][ T10] [ 156.557195][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 156.557195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 156.557195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 156.557195][ T10] ipv6_find_idev+0x102/0x170 [ 156.557195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 156.557195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 156.557195][ T10] netlink_rcv_skb+0x130/0x360 [ 156.557195][ T10] netlink_unicast+0x449/0x710 [ 156.557195][ T10] netlink_sendmsg+0x723/0xbe0 [ 156.557195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 156.557195][ T10] ___sys_sendmsg+0xee/0x170 [ 156.557195][ T10] __sys_sendmsg+0xcd/0x170 [ 156.557195][ T10] do_syscall_64+0xc6/0x1e0 [ 156.557195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 156.557195][ T10] [ 166.762950][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 166.763581][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 166.763581][ T10] netdev_get_by_index+0x5e/0x80 [ 166.763581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.763581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.763581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.763581][ T10] ipv6_add_addr+0x411/0x2000 [ 166.763581][ T10] inet6_addr_add+0x30e/0xa40 [ 166.763581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.763581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.763581][ T10] netlink_rcv_skb+0x130/0x360 [ 166.763581][ T10] netlink_unicast+0x449/0x710 [ 166.763581][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.763581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.763581][ T10] ___sys_sendmsg+0xee/0x170 [ 166.763581][ T10] __sys_sendmsg+0xcd/0x170 [ 166.763581][ T10] do_syscall_64+0xc6/0x1e0 [ 166.763581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.763581][ T10] [ 166.766771][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 166.766771][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.766771][ T10] ipv6_find_idev+0x102/0x170 [ 166.766771][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.766771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.766771][ T10] netlink_rcv_skb+0x130/0x360 [ 166.766771][ T10] netlink_unicast+0x449/0x710 [ 166.766771][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.766771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.766771][ T10] ___sys_sendmsg+0xee/0x170 [ 166.766771][ T10] __sys_sendmsg+0xcd/0x170 [ 166.766771][ T10] do_syscall_64+0xc6/0x1e0 [ 166.766771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.766771][ T10] [ 166.769080][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 166.769080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.769080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.769080][ T10] ipv6_find_idev+0x102/0x170 [ 166.769080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.769080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.769080][ T10] netlink_rcv_skb+0x130/0x360 [ 166.769080][ T10] netlink_unicast+0x449/0x710 [ 166.769080][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.769080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.769080][ T10] ___sys_sendmsg+0xee/0x170 [ 166.769080][ T10] __sys_sendmsg+0xcd/0x170 [ 166.769080][ T10] do_syscall_64+0xc6/0x1e0 [ 166.769080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.769080][ T10] [ 166.771725][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 166.772171][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 166.772171][ T10] netdev_get_by_index+0x5e/0x80 [ 166.772171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.772171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.772171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.772171][ T10] ipv6_add_addr+0x411/0x2000 [ 166.772171][ T10] inet6_addr_add+0x30e/0xa40 [ 166.772171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.772171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.772171][ T10] netlink_rcv_skb+0x130/0x360 [ 166.772171][ T10] netlink_unicast+0x449/0x710 [ 166.772171][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.772171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.772171][ T10] ___sys_sendmsg+0xee/0x170 [ 166.772171][ T10] __sys_sendmsg+0xcd/0x170 [ 166.772171][ T10] do_syscall_64+0xc6/0x1e0 [ 166.772171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.772171][ T10] [ 166.775326][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 166.775326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.775326][ T10] ipv6_find_idev+0x102/0x170 [ 166.775326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.775326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.775326][ T10] netlink_rcv_skb+0x130/0x360 [ 166.775326][ T10] netlink_unicast+0x449/0x710 [ 166.775326][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.775326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.775326][ T10] ___sys_sendmsg+0xee/0x170 [ 166.775326][ T10] __sys_sendmsg+0xcd/0x170 [ 166.775326][ T10] do_syscall_64+0xc6/0x1e0 [ 166.775326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.775326][ T10] [ 166.777735][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 166.777735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.777735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.777735][ T10] ipv6_find_idev+0x102/0x170 [ 166.777735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.777735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.777735][ T10] netlink_rcv_skb+0x130/0x360 [ 166.777735][ T10] netlink_unicast+0x449/0x710 [ 166.777735][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.777735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.777735][ T10] ___sys_sendmsg+0xee/0x170 [ 166.777735][ T10] __sys_sendmsg+0xcd/0x170 [ 166.777735][ T10] do_syscall_64+0xc6/0x1e0 [ 166.777735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.777735][ T10] [ 166.780252][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 166.780644][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 166.780644][ T10] netdev_get_by_index+0x5e/0x80 [ 166.780644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.780644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.780644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.780644][ T10] ipv6_add_addr+0x411/0x2000 [ 166.780644][ T10] inet6_addr_add+0x30e/0xa40 [ 166.780644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.780644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.780644][ T10] netlink_rcv_skb+0x130/0x360 [ 166.780644][ T10] netlink_unicast+0x449/0x710 [ 166.780644][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.780644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.780644][ T10] ___sys_sendmsg+0xee/0x170 [ 166.780644][ T10] __sys_sendmsg+0xcd/0x170 [ 166.780644][ T10] do_syscall_64+0xc6/0x1e0 [ 166.780644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.780644][ T10] [ 166.783703][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 166.783703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.783703][ T10] ipv6_find_idev+0x102/0x170 [ 166.783703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.783703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.783703][ T10] netlink_rcv_skb+0x130/0x360 [ 166.783703][ T10] netlink_unicast+0x449/0x710 [ 166.783703][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.783703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.783703][ T10] ___sys_sendmsg+0xee/0x170 [ 166.783703][ T10] __sys_sendmsg+0xcd/0x170 [ 166.783703][ T10] do_syscall_64+0xc6/0x1e0 [ 166.783703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.783703][ T10] [ 166.786031][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 166.786031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.786031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.786031][ T10] ipv6_find_idev+0x102/0x170 [ 166.786031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.786031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.786031][ T10] netlink_rcv_skb+0x130/0x360 [ 166.786031][ T10] netlink_unicast+0x449/0x710 [ 166.786031][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.786031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.786031][ T10] ___sys_sendmsg+0xee/0x170 [ 166.786031][ T10] __sys_sendmsg+0xcd/0x170 [ 166.786031][ T10] do_syscall_64+0xc6/0x1e0 [ 166.786031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.786031][ T10] [ 166.788636][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 166.789914][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 166.789914][ T10] netdev_get_by_index+0x5e/0x80 [ 166.789914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.789914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.789914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.789914][ T10] ipv6_add_addr+0x411/0x2000 [ 166.789914][ T10] inet6_addr_add+0x30e/0xa40 [ 166.789914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.789914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.789914][ T10] netlink_rcv_skb+0x130/0x360 [ 166.789914][ T10] netlink_unicast+0x449/0x710 [ 166.789914][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.789914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.789914][ T10] ___sys_sendmsg+0xee/0x170 [ 166.789914][ T10] __sys_sendmsg+0xcd/0x170 [ 166.789914][ T10] do_syscall_64+0xc6/0x1e0 [ 166.789914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.789914][ T10] [ 166.793036][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 166.793036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.793036][ T10] ipv6_find_idev+0x102/0x170 [ 166.793036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.793036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.793036][ T10] netlink_rcv_skb+0x130/0x360 [ 166.793036][ T10] netlink_unicast+0x449/0x710 [ 166.793036][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.793036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.793036][ T10] ___sys_sendmsg+0xee/0x170 [ 166.793036][ T10] __sys_sendmsg+0xcd/0x170 [ 166.793036][ T10] do_syscall_64+0xc6/0x1e0 [ 166.793036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.793036][ T10] [ 166.795450][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 166.795450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.795450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.795450][ T10] ipv6_find_idev+0x102/0x170 [ 166.795450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.795450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.795450][ T10] netlink_rcv_skb+0x130/0x360 [ 166.795450][ T10] netlink_unicast+0x449/0x710 [ 166.795450][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.795450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.795450][ T10] ___sys_sendmsg+0xee/0x170 [ 166.795450][ T10] __sys_sendmsg+0xcd/0x170 [ 166.795450][ T10] do_syscall_64+0xc6/0x1e0 [ 166.795450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.795450][ T10] [ 166.798226][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 166.798639][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 166.798639][ T10] netdev_get_by_index+0x5e/0x80 [ 166.798639][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.798639][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.798639][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.798639][ T10] ipv6_add_addr+0x411/0x2000 [ 166.798639][ T10] inet6_addr_add+0x30e/0xa40 [ 166.798639][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.798639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.798639][ T10] netlink_rcv_skb+0x130/0x360 [ 166.798639][ T10] netlink_unicast+0x449/0x710 [ 166.798639][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.798639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.798639][ T10] ___sys_sendmsg+0xee/0x170 [ 166.798639][ T10] __sys_sendmsg+0xcd/0x170 [ 166.798639][ T10] do_syscall_64+0xc6/0x1e0 [ 166.798639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.798639][ T10] [ 166.801779][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 166.801779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.801779][ T10] ipv6_find_idev+0x102/0x170 [ 166.801779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.801779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.801779][ T10] netlink_rcv_skb+0x130/0x360 [ 166.801779][ T10] netlink_unicast+0x449/0x710 [ 166.801779][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.801779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.801779][ T10] ___sys_sendmsg+0xee/0x170 [ 166.801779][ T10] __sys_sendmsg+0xcd/0x170 [ 166.801779][ T10] do_syscall_64+0xc6/0x1e0 [ 166.801779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.801779][ T10] [ 166.804197][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 166.804197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.804197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.804197][ T10] ipv6_find_idev+0x102/0x170 [ 166.804197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.804197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.804197][ T10] netlink_rcv_skb+0x130/0x360 [ 166.804197][ T10] netlink_unicast+0x449/0x710 [ 166.804197][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.804197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.804197][ T10] ___sys_sendmsg+0xee/0x170 [ 166.804197][ T10] __sys_sendmsg+0xcd/0x170 [ 166.804197][ T10] do_syscall_64+0xc6/0x1e0 [ 166.804197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.804197][ T10] [ 166.806953][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 166.807380][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 166.807380][ T10] netdev_get_by_index+0x5e/0x80 [ 166.807380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.807380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.807380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.807380][ T10] ipv6_add_addr+0x411/0x2000 [ 166.807380][ T10] inet6_addr_add+0x30e/0xa40 [ 166.807380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.807380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.807380][ T10] netlink_rcv_skb+0x130/0x360 [ 166.807380][ T10] netlink_unicast+0x449/0x710 [ 166.807380][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.807380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.807380][ T10] ___sys_sendmsg+0xee/0x170 [ 166.807380][ T10] __sys_sendmsg+0xcd/0x170 [ 166.807380][ T10] do_syscall_64+0xc6/0x1e0 [ 166.807380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.807380][ T10] [ 166.810600][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 166.810600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.810600][ T10] ipv6_find_idev+0x102/0x170 [ 166.810600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.810600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.810600][ T10] netlink_rcv_skb+0x130/0x360 [ 166.810600][ T10] netlink_unicast+0x449/0x710 [ 166.810600][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.810600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.810600][ T10] ___sys_sendmsg+0xee/0x170 [ 166.810600][ T10] __sys_sendmsg+0xcd/0x170 [ 166.810600][ T10] do_syscall_64+0xc6/0x1e0 [ 166.810600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.810600][ T10] [ 166.812893][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 166.812893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.812893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.812893][ T10] ipv6_find_idev+0x102/0x170 [ 166.812893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.812893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.812893][ T10] netlink_rcv_skb+0x130/0x360 [ 166.812893][ T10] netlink_unicast+0x449/0x710 [ 166.812893][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.812893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.812893][ T10] ___sys_sendmsg+0xee/0x170 [ 166.812893][ T10] __sys_sendmsg+0xcd/0x170 [ 166.812893][ T10] do_syscall_64+0xc6/0x1e0 [ 166.812893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.812893][ T10] [ 166.815455][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 166.815882][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 166.815882][ T10] netdev_get_by_index+0x5e/0x80 [ 166.815882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.815882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.815882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.815882][ T10] ipv6_add_addr+0x411/0x2000 [ 166.815882][ T10] inet6_addr_add+0x30e/0xa40 [ 166.815882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.815882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.815882][ T10] netlink_rcv_skb+0x130/0x360 [ 166.815882][ T10] netlink_unicast+0x449/0x710 [ 166.815882][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.815882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.815882][ T10] ___sys_sendmsg+0xee/0x170 [ 166.815882][ T10] __sys_sendmsg+0xcd/0x170 [ 166.815882][ T10] do_syscall_64+0xc6/0x1e0 [ 166.815882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.815882][ T10] [ 166.818992][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 166.818992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.818992][ T10] ipv6_find_idev+0x102/0x170 [ 166.818992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.818992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.818992][ T10] netlink_rcv_skb+0x130/0x360 [ 166.818992][ T10] netlink_unicast+0x449/0x710 [ 166.818992][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.818992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.818992][ T10] ___sys_sendmsg+0xee/0x170 [ 166.818992][ T10] __sys_sendmsg+0xcd/0x170 [ 166.818992][ T10] do_syscall_64+0xc6/0x1e0 [ 166.818992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.818992][ T10] [ 166.821415][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 166.821415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.821415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.821415][ T10] ipv6_find_idev+0x102/0x170 [ 166.821415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.821415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.821415][ T10] netlink_rcv_skb+0x130/0x360 [ 166.821415][ T10] netlink_unicast+0x449/0x710 [ 166.821415][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.821415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.821415][ T10] ___sys_sendmsg+0xee/0x170 [ 166.821415][ T10] __sys_sendmsg+0xcd/0x170 [ 166.821415][ T10] do_syscall_64+0xc6/0x1e0 [ 166.821415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.821415][ T10] [ 166.823775][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 166.824128][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 166.824128][ T10] netdev_get_by_index+0x5e/0x80 [ 166.824128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 166.824128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 166.824128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 166.824128][ T10] ipv6_add_addr+0x411/0x2000 [ 166.824128][ T10] inet6_addr_add+0x30e/0xa40 [ 166.824128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 166.824128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.824128][ T10] netlink_rcv_skb+0x130/0x360 [ 166.824128][ T10] netlink_unicast+0x449/0x710 [ 166.824128][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.824128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.824128][ T10] ___sys_sendmsg+0xee/0x170 [ 166.824128][ T10] __sys_sendmsg+0xcd/0x170 [ 166.824128][ T10] do_syscall_64+0xc6/0x1e0 [ 166.824128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.824128][ T10] [ 166.826379][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 166.826379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 166.826379][ T10] ipv6_find_idev+0x102/0x170 [ 166.826379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.826379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.826379][ T10] netlink_rcv_skb+0x130/0x360 [ 166.826379][ T10] netlink_unicast+0x449/0x710 [ 166.826379][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.826379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.826379][ T10] ___sys_sendmsg+0xee/0x170 [ 166.826379][ T10] __sys_sendmsg+0xcd/0x170 [ 166.826379][ T10] do_syscall_64+0xc6/0x1e0 [ 166.826379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.826379][ T10] [ 166.828214][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 166.828214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 166.828214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 166.828214][ T10] ipv6_find_idev+0x102/0x170 [ 166.828214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 166.828214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 166.828214][ T10] netlink_rcv_skb+0x130/0x360 [ 166.828214][ T10] netlink_unicast+0x449/0x710 [ 166.828214][ T10] netlink_sendmsg+0x723/0xbe0 [ 166.828214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 166.828214][ T10] ___sys_sendmsg+0xee/0x170 [ 166.828214][ T10] __sys_sendmsg+0xcd/0x170 [ 166.828214][ T10] do_syscall_64+0xc6/0x1e0 [ 166.828214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 166.828214][ T10] [ 176.938933][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 176.939334][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 176.939334][ T10] netdev_get_by_index+0x5e/0x80 [ 176.939334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.939334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.939334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.939334][ T10] ipv6_add_addr+0x411/0x2000 [ 176.939334][ T10] inet6_addr_add+0x30e/0xa40 [ 176.939334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.939334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.939334][ T10] netlink_rcv_skb+0x130/0x360 [ 176.939334][ T10] netlink_unicast+0x449/0x710 [ 176.939334][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.939334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.939334][ T10] ___sys_sendmsg+0xee/0x170 [ 176.939334][ T10] __sys_sendmsg+0xcd/0x170 [ 176.939334][ T10] do_syscall_64+0xc6/0x1e0 [ 176.939334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.939334][ T10] [ 176.941337][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 176.941337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.941337][ T10] ipv6_find_idev+0x102/0x170 [ 176.941337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.941337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.941337][ T10] netlink_rcv_skb+0x130/0x360 [ 176.941337][ T10] netlink_unicast+0x449/0x710 [ 176.941337][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.941337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.941337][ T10] ___sys_sendmsg+0xee/0x170 [ 176.941337][ T10] __sys_sendmsg+0xcd/0x170 [ 176.941337][ T10] do_syscall_64+0xc6/0x1e0 [ 176.941337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.941337][ T10] [ 176.942891][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 176.942891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.942891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.942891][ T10] ipv6_find_idev+0x102/0x170 [ 176.942891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.942891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.942891][ T10] netlink_rcv_skb+0x130/0x360 [ 176.942891][ T10] netlink_unicast+0x449/0x710 [ 176.942891][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.942891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.942891][ T10] ___sys_sendmsg+0xee/0x170 [ 176.942891][ T10] __sys_sendmsg+0xcd/0x170 [ 176.942891][ T10] do_syscall_64+0xc6/0x1e0 [ 176.942891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.942891][ T10] [ 176.944585][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 176.944859][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 176.944859][ T10] netdev_get_by_index+0x5e/0x80 [ 176.944859][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.944859][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.944859][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.944859][ T10] ipv6_add_addr+0x411/0x2000 [ 176.944859][ T10] inet6_addr_add+0x30e/0xa40 [ 176.944859][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.944859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.944859][ T10] netlink_rcv_skb+0x130/0x360 [ 176.944859][ T10] netlink_unicast+0x449/0x710 [ 176.944859][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.944859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.944859][ T10] ___sys_sendmsg+0xee/0x170 [ 176.944859][ T10] __sys_sendmsg+0xcd/0x170 [ 176.944859][ T10] do_syscall_64+0xc6/0x1e0 [ 176.944859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.944859][ T10] [ 176.947060][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 176.947060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.947060][ T10] ipv6_find_idev+0x102/0x170 [ 176.947060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.947060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.947060][ T10] netlink_rcv_skb+0x130/0x360 [ 176.947060][ T10] netlink_unicast+0x449/0x710 [ 176.947060][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.947060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.947060][ T10] ___sys_sendmsg+0xee/0x170 [ 176.947060][ T10] __sys_sendmsg+0xcd/0x170 [ 176.947060][ T10] do_syscall_64+0xc6/0x1e0 [ 176.947060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.947060][ T10] [ 176.948750][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 176.948750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.948750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.948750][ T10] ipv6_find_idev+0x102/0x170 [ 176.948750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.948750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.948750][ T10] netlink_rcv_skb+0x130/0x360 [ 176.948750][ T10] netlink_unicast+0x449/0x710 [ 176.948750][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.948750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.948750][ T10] ___sys_sendmsg+0xee/0x170 [ 176.948750][ T10] __sys_sendmsg+0xcd/0x170 [ 176.948750][ T10] do_syscall_64+0xc6/0x1e0 [ 176.948750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.948750][ T10] [ 176.950462][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 176.950733][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 176.950733][ T10] netdev_get_by_index+0x5e/0x80 [ 176.950733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.950733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.950733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.950733][ T10] ipv6_add_addr+0x411/0x2000 [ 176.950733][ T10] inet6_addr_add+0x30e/0xa40 [ 176.950733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.950733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.950733][ T10] netlink_rcv_skb+0x130/0x360 [ 176.950733][ T10] netlink_unicast+0x449/0x710 [ 176.950733][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.950733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.950733][ T10] ___sys_sendmsg+0xee/0x170 [ 176.950733][ T10] __sys_sendmsg+0xcd/0x170 [ 176.950733][ T10] do_syscall_64+0xc6/0x1e0 [ 176.950733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.950733][ T10] [ 176.952783][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 176.952783][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.952783][ T10] ipv6_find_idev+0x102/0x170 [ 176.952783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.952783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.952783][ T10] netlink_rcv_skb+0x130/0x360 [ 176.952783][ T10] netlink_unicast+0x449/0x710 [ 176.952783][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.952783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.952783][ T10] ___sys_sendmsg+0xee/0x170 [ 176.952783][ T10] __sys_sendmsg+0xcd/0x170 [ 176.952783][ T10] do_syscall_64+0xc6/0x1e0 [ 176.952783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.952783][ T10] [ 176.954457][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 176.954457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.954457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.954457][ T10] ipv6_find_idev+0x102/0x170 [ 176.954457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.954457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.954457][ T10] netlink_rcv_skb+0x130/0x360 [ 176.954457][ T10] netlink_unicast+0x449/0x710 [ 176.954457][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.954457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.954457][ T10] ___sys_sendmsg+0xee/0x170 [ 176.954457][ T10] __sys_sendmsg+0xcd/0x170 [ 176.954457][ T10] do_syscall_64+0xc6/0x1e0 [ 176.954457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.954457][ T10] [ 176.956265][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 176.956526][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 176.956526][ T10] netdev_get_by_index+0x5e/0x80 [ 176.956526][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.956526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.956526][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.956526][ T10] ipv6_add_addr+0x411/0x2000 [ 176.956526][ T10] inet6_addr_add+0x30e/0xa40 [ 176.956526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.956526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.956526][ T10] netlink_rcv_skb+0x130/0x360 [ 176.956526][ T10] netlink_unicast+0x449/0x710 [ 176.956526][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.956526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.956526][ T10] ___sys_sendmsg+0xee/0x170 [ 176.956526][ T10] __sys_sendmsg+0xcd/0x170 [ 176.956526][ T10] do_syscall_64+0xc6/0x1e0 [ 176.956526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.956526][ T10] [ 176.958576][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 176.958576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.958576][ T10] ipv6_find_idev+0x102/0x170 [ 176.958576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.958576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.958576][ T10] netlink_rcv_skb+0x130/0x360 [ 176.958576][ T10] netlink_unicast+0x449/0x710 [ 176.958576][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.958576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.958576][ T10] ___sys_sendmsg+0xee/0x170 [ 176.958576][ T10] __sys_sendmsg+0xcd/0x170 [ 176.958576][ T10] do_syscall_64+0xc6/0x1e0 [ 176.958576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.958576][ T10] [ 176.960094][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 176.960094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.960094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.960094][ T10] ipv6_find_idev+0x102/0x170 [ 176.960094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.960094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.960094][ T10] netlink_rcv_skb+0x130/0x360 [ 176.960094][ T10] netlink_unicast+0x449/0x710 [ 176.960094][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.960094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.960094][ T10] ___sys_sendmsg+0xee/0x170 [ 176.960094][ T10] __sys_sendmsg+0xcd/0x170 [ 176.960094][ T10] do_syscall_64+0xc6/0x1e0 [ 176.960094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.960094][ T10] [ 176.962264][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 176.962528][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 176.962528][ T10] netdev_get_by_index+0x5e/0x80 [ 176.962528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.962528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.962528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.962528][ T10] ipv6_add_addr+0x411/0x2000 [ 176.962528][ T10] inet6_addr_add+0x30e/0xa40 [ 176.962528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.962528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.962528][ T10] netlink_rcv_skb+0x130/0x360 [ 176.962528][ T10] netlink_unicast+0x449/0x710 [ 176.962528][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.962528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.962528][ T10] ___sys_sendmsg+0xee/0x170 [ 176.962528][ T10] __sys_sendmsg+0xcd/0x170 [ 176.962528][ T10] do_syscall_64+0xc6/0x1e0 [ 176.962528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.962528][ T10] [ 176.964568][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 176.964568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.964568][ T10] ipv6_find_idev+0x102/0x170 [ 176.964568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.964568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.964568][ T10] netlink_rcv_skb+0x130/0x360 [ 176.964568][ T10] netlink_unicast+0x449/0x710 [ 176.964568][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.964568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.964568][ T10] ___sys_sendmsg+0xee/0x170 [ 176.964568][ T10] __sys_sendmsg+0xcd/0x170 [ 176.964568][ T10] do_syscall_64+0xc6/0x1e0 [ 176.964568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.964568][ T10] [ 176.966207][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 176.966207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.966207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.966207][ T10] ipv6_find_idev+0x102/0x170 [ 176.966207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.966207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.966207][ T10] netlink_rcv_skb+0x130/0x360 [ 176.966207][ T10] netlink_unicast+0x449/0x710 [ 176.966207][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.966207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.966207][ T10] ___sys_sendmsg+0xee/0x170 [ 176.966207][ T10] __sys_sendmsg+0xcd/0x170 [ 176.966207][ T10] do_syscall_64+0xc6/0x1e0 [ 176.966207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.966207][ T10] [ 176.968078][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 176.968364][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 176.968364][ T10] netdev_get_by_index+0x5e/0x80 [ 176.968364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.968364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.968364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.968364][ T10] ipv6_add_addr+0x411/0x2000 [ 176.968364][ T10] inet6_addr_add+0x30e/0xa40 [ 176.968364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.968364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.968364][ T10] netlink_rcv_skb+0x130/0x360 [ 176.968364][ T10] netlink_unicast+0x449/0x710 [ 176.968364][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.968364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.968364][ T10] ___sys_sendmsg+0xee/0x170 [ 176.968364][ T10] __sys_sendmsg+0xcd/0x170 [ 176.968364][ T10] do_syscall_64+0xc6/0x1e0 [ 176.968364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.968364][ T10] [ 176.970550][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 176.970550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.970550][ T10] ipv6_find_idev+0x102/0x170 [ 176.970550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.970550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.970550][ T10] netlink_rcv_skb+0x130/0x360 [ 176.970550][ T10] netlink_unicast+0x449/0x710 [ 176.970550][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.970550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.970550][ T10] ___sys_sendmsg+0xee/0x170 [ 176.970550][ T10] __sys_sendmsg+0xcd/0x170 [ 176.970550][ T10] do_syscall_64+0xc6/0x1e0 [ 176.970550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.970550][ T10] [ 176.972323][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 176.972323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.972323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.972323][ T10] ipv6_find_idev+0x102/0x170 [ 176.972323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.972323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.972323][ T10] netlink_rcv_skb+0x130/0x360 [ 176.972323][ T10] netlink_unicast+0x449/0x710 [ 176.972323][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.972323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.972323][ T10] ___sys_sendmsg+0xee/0x170 [ 176.972323][ T10] __sys_sendmsg+0xcd/0x170 [ 176.972323][ T10] do_syscall_64+0xc6/0x1e0 [ 176.972323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.972323][ T10] [ 176.974326][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 176.974607][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 176.974607][ T10] netdev_get_by_index+0x5e/0x80 [ 176.974607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.974607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.974607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.974607][ T10] ipv6_add_addr+0x411/0x2000 [ 176.974607][ T10] inet6_addr_add+0x30e/0xa40 [ 176.974607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.974607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.974607][ T10] netlink_rcv_skb+0x130/0x360 [ 176.974607][ T10] netlink_unicast+0x449/0x710 [ 176.974607][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.974607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.974607][ T10] ___sys_sendmsg+0xee/0x170 [ 176.974607][ T10] __sys_sendmsg+0xcd/0x170 [ 176.974607][ T10] do_syscall_64+0xc6/0x1e0 [ 176.974607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.974607][ T10] [ 176.976864][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 176.976864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.976864][ T10] ipv6_find_idev+0x102/0x170 [ 176.976864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.976864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.976864][ T10] netlink_rcv_skb+0x130/0x360 [ 176.976864][ T10] netlink_unicast+0x449/0x710 [ 176.976864][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.976864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.976864][ T10] ___sys_sendmsg+0xee/0x170 [ 176.976864][ T10] __sys_sendmsg+0xcd/0x170 [ 176.976864][ T10] do_syscall_64+0xc6/0x1e0 [ 176.976864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.976864][ T10] [ 176.978594][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 176.978594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.978594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.978594][ T10] ipv6_find_idev+0x102/0x170 [ 176.978594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.978594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.978594][ T10] netlink_rcv_skb+0x130/0x360 [ 176.978594][ T10] netlink_unicast+0x449/0x710 [ 176.978594][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.978594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.978594][ T10] ___sys_sendmsg+0xee/0x170 [ 176.978594][ T10] __sys_sendmsg+0xcd/0x170 [ 176.978594][ T10] do_syscall_64+0xc6/0x1e0 [ 176.978594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.978594][ T10] [ 176.980515][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 176.980778][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 176.980778][ T10] netdev_get_by_index+0x5e/0x80 [ 176.980778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 176.980778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 176.980778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 176.980778][ T10] ipv6_add_addr+0x411/0x2000 [ 176.980778][ T10] inet6_addr_add+0x30e/0xa40 [ 176.980778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 176.980778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.980778][ T10] netlink_rcv_skb+0x130/0x360 [ 176.980778][ T10] netlink_unicast+0x449/0x710 [ 176.980778][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.980778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.980778][ T10] ___sys_sendmsg+0xee/0x170 [ 176.980778][ T10] __sys_sendmsg+0xcd/0x170 [ 176.980778][ T10] do_syscall_64+0xc6/0x1e0 [ 176.980778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.980778][ T10] [ 176.983081][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 176.983081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 176.983081][ T10] ipv6_find_idev+0x102/0x170 [ 176.983081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.983081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.983081][ T10] netlink_rcv_skb+0x130/0x360 [ 176.983081][ T10] netlink_unicast+0x449/0x710 [ 176.983081][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.983081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.983081][ T10] ___sys_sendmsg+0xee/0x170 [ 176.983081][ T10] __sys_sendmsg+0xcd/0x170 [ 176.983081][ T10] do_syscall_64+0xc6/0x1e0 [ 176.983081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.983081][ T10] [ 176.984886][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 176.984886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 176.984886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 176.984886][ T10] ipv6_find_idev+0x102/0x170 [ 176.984886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 176.984886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 176.984886][ T10] netlink_rcv_skb+0x130/0x360 [ 176.984886][ T10] netlink_unicast+0x449/0x710 [ 176.984886][ T10] netlink_sendmsg+0x723/0xbe0 [ 176.984886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 176.984886][ T10] ___sys_sendmsg+0xee/0x170 [ 176.984886][ T10] __sys_sendmsg+0xcd/0x170 [ 176.984886][ T10] do_syscall_64+0xc6/0x1e0 [ 176.984886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 176.984886][ T10] [ 187.234939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 187.235374][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 187.235374][ T10] netdev_get_by_index+0x5e/0x80 [ 187.235374][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.235374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.235374][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.235374][ T10] ipv6_add_addr+0x411/0x2000 [ 187.235374][ T10] inet6_addr_add+0x30e/0xa40 [ 187.235374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.235374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.235374][ T10] netlink_rcv_skb+0x130/0x360 [ 187.235374][ T10] netlink_unicast+0x449/0x710 [ 187.235374][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.235374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.235374][ T10] ___sys_sendmsg+0xee/0x170 [ 187.235374][ T10] __sys_sendmsg+0xcd/0x170 [ 187.235374][ T10] do_syscall_64+0xc6/0x1e0 [ 187.235374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.235374][ T10] [ 187.237591][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 187.237591][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.237591][ T10] ipv6_find_idev+0x102/0x170 [ 187.237591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.237591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.237591][ T10] netlink_rcv_skb+0x130/0x360 [ 187.237591][ T10] netlink_unicast+0x449/0x710 [ 187.237591][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.237591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.237591][ T10] ___sys_sendmsg+0xee/0x170 [ 187.237591][ T10] __sys_sendmsg+0xcd/0x170 [ 187.237591][ T10] do_syscall_64+0xc6/0x1e0 [ 187.237591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.237591][ T10] [ 187.239233][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 187.239233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.239233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.239233][ T10] ipv6_find_idev+0x102/0x170 [ 187.239233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.239233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.239233][ T10] netlink_rcv_skb+0x130/0x360 [ 187.239233][ T10] netlink_unicast+0x449/0x710 [ 187.239233][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.239233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.239233][ T10] ___sys_sendmsg+0xee/0x170 [ 187.239233][ T10] __sys_sendmsg+0xcd/0x170 [ 187.239233][ T10] do_syscall_64+0xc6/0x1e0 [ 187.239233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.239233][ T10] [ 187.241032][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 187.241320][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 187.241320][ T10] netdev_get_by_index+0x5e/0x80 [ 187.241320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.241320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.241320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.241320][ T10] ipv6_add_addr+0x411/0x2000 [ 187.241320][ T10] inet6_addr_add+0x30e/0xa40 [ 187.241320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.241320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.241320][ T10] netlink_rcv_skb+0x130/0x360 [ 187.241320][ T10] netlink_unicast+0x449/0x710 [ 187.241320][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.241320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.241320][ T10] ___sys_sendmsg+0xee/0x170 [ 187.241320][ T10] __sys_sendmsg+0xcd/0x170 [ 187.241320][ T10] do_syscall_64+0xc6/0x1e0 [ 187.241320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.241320][ T10] [ 187.243380][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 187.243380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.243380][ T10] ipv6_find_idev+0x102/0x170 [ 187.243380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.243380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.243380][ T10] netlink_rcv_skb+0x130/0x360 [ 187.243380][ T10] netlink_unicast+0x449/0x710 [ 187.243380][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.243380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.243380][ T10] ___sys_sendmsg+0xee/0x170 [ 187.243380][ T10] __sys_sendmsg+0xcd/0x170 [ 187.243380][ T10] do_syscall_64+0xc6/0x1e0 [ 187.243380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.243380][ T10] [ 187.244919][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 187.244919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.244919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.244919][ T10] ipv6_find_idev+0x102/0x170 [ 187.244919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.244919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.244919][ T10] netlink_rcv_skb+0x130/0x360 [ 187.244919][ T10] netlink_unicast+0x449/0x710 [ 187.244919][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.244919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.244919][ T10] ___sys_sendmsg+0xee/0x170 [ 187.244919][ T10] __sys_sendmsg+0xcd/0x170 [ 187.244919][ T10] do_syscall_64+0xc6/0x1e0 [ 187.244919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.244919][ T10] [ 187.246643][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 187.246921][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 187.246921][ T10] netdev_get_by_index+0x5e/0x80 [ 187.246921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.246921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.246921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.246921][ T10] ipv6_add_addr+0x411/0x2000 [ 187.246921][ T10] inet6_addr_add+0x30e/0xa40 [ 187.246921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.246921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.246921][ T10] netlink_rcv_skb+0x130/0x360 [ 187.246921][ T10] netlink_unicast+0x449/0x710 [ 187.246921][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.246921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.246921][ T10] ___sys_sendmsg+0xee/0x170 [ 187.246921][ T10] __sys_sendmsg+0xcd/0x170 [ 187.246921][ T10] do_syscall_64+0xc6/0x1e0 [ 187.246921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.246921][ T10] [ 187.248986][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 187.248986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.248986][ T10] ipv6_find_idev+0x102/0x170 [ 187.248986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.248986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.248986][ T10] netlink_rcv_skb+0x130/0x360 [ 187.248986][ T10] netlink_unicast+0x449/0x710 [ 187.248986][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.248986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.248986][ T10] ___sys_sendmsg+0xee/0x170 [ 187.248986][ T10] __sys_sendmsg+0xcd/0x170 [ 187.248986][ T10] do_syscall_64+0xc6/0x1e0 [ 187.248986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.248986][ T10] [ 187.250563][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 187.250563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.250563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.250563][ T10] ipv6_find_idev+0x102/0x170 [ 187.250563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.250563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.250563][ T10] netlink_rcv_skb+0x130/0x360 [ 187.250563][ T10] netlink_unicast+0x449/0x710 [ 187.250563][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.250563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.250563][ T10] ___sys_sendmsg+0xee/0x170 [ 187.250563][ T10] __sys_sendmsg+0xcd/0x170 [ 187.250563][ T10] do_syscall_64+0xc6/0x1e0 [ 187.250563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.250563][ T10] [ 187.252404][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 187.252738][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 187.252738][ T10] netdev_get_by_index+0x5e/0x80 [ 187.252738][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.252738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.252738][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.252738][ T10] ipv6_add_addr+0x411/0x2000 [ 187.252738][ T10] inet6_addr_add+0x30e/0xa40 [ 187.252738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.252738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.252738][ T10] netlink_rcv_skb+0x130/0x360 [ 187.252738][ T10] netlink_unicast+0x449/0x710 [ 187.252738][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.252738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.252738][ T10] ___sys_sendmsg+0xee/0x170 [ 187.252738][ T10] __sys_sendmsg+0xcd/0x170 [ 187.252738][ T10] do_syscall_64+0xc6/0x1e0 [ 187.252738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.252738][ T10] [ 187.254860][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 187.254860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.254860][ T10] ipv6_find_idev+0x102/0x170 [ 187.254860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.254860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.254860][ T10] netlink_rcv_skb+0x130/0x360 [ 187.254860][ T10] netlink_unicast+0x449/0x710 [ 187.254860][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.254860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.254860][ T10] ___sys_sendmsg+0xee/0x170 [ 187.254860][ T10] __sys_sendmsg+0xcd/0x170 [ 187.254860][ T10] do_syscall_64+0xc6/0x1e0 [ 187.254860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.254860][ T10] [ 187.256587][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 187.256587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.256587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.256587][ T10] ipv6_find_idev+0x102/0x170 [ 187.256587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.256587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.256587][ T10] netlink_rcv_skb+0x130/0x360 [ 187.256587][ T10] netlink_unicast+0x449/0x710 [ 187.256587][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.256587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.256587][ T10] ___sys_sendmsg+0xee/0x170 [ 187.256587][ T10] __sys_sendmsg+0xcd/0x170 [ 187.256587][ T10] do_syscall_64+0xc6/0x1e0 [ 187.256587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.256587][ T10] [ 187.258914][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 187.259207][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 187.259207][ T10] netdev_get_by_index+0x5e/0x80 [ 187.259207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.259207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.259207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.259207][ T10] ipv6_add_addr+0x411/0x2000 [ 187.259207][ T10] inet6_addr_add+0x30e/0xa40 [ 187.259207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.259207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.259207][ T10] netlink_rcv_skb+0x130/0x360 [ 187.259207][ T10] netlink_unicast+0x449/0x710 [ 187.259207][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.259207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.259207][ T10] ___sys_sendmsg+0xee/0x170 [ 187.259207][ T10] __sys_sendmsg+0xcd/0x170 [ 187.259207][ T10] do_syscall_64+0xc6/0x1e0 [ 187.259207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.259207][ T10] [ 187.261440][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 187.261440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.261440][ T10] ipv6_find_idev+0x102/0x170 [ 187.261440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.261440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.261440][ T10] netlink_rcv_skb+0x130/0x360 [ 187.261440][ T10] netlink_unicast+0x449/0x710 [ 187.261440][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.261440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.261440][ T10] ___sys_sendmsg+0xee/0x170 [ 187.261440][ T10] __sys_sendmsg+0xcd/0x170 [ 187.261440][ T10] do_syscall_64+0xc6/0x1e0 [ 187.261440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.261440][ T10] [ 187.263113][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 187.263113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.263113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.263113][ T10] ipv6_find_idev+0x102/0x170 [ 187.263113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.263113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.263113][ T10] netlink_rcv_skb+0x130/0x360 [ 187.263113][ T10] netlink_unicast+0x449/0x710 [ 187.263113][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.263113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.263113][ T10] ___sys_sendmsg+0xee/0x170 [ 187.263113][ T10] __sys_sendmsg+0xcd/0x170 [ 187.263113][ T10] do_syscall_64+0xc6/0x1e0 [ 187.263113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.263113][ T10] [ 187.265014][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 187.265290][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 187.265290][ T10] netdev_get_by_index+0x5e/0x80 [ 187.265290][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.265290][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.265290][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.265290][ T10] ipv6_add_addr+0x411/0x2000 [ 187.265290][ T10] inet6_addr_add+0x30e/0xa40 [ 187.265290][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.265290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.265290][ T10] netlink_rcv_skb+0x130/0x360 [ 187.265290][ T10] netlink_unicast+0x449/0x710 [ 187.265290][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.265290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.265290][ T10] ___sys_sendmsg+0xee/0x170 [ 187.265290][ T10] __sys_sendmsg+0xcd/0x170 [ 187.265290][ T10] do_syscall_64+0xc6/0x1e0 [ 187.265290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.265290][ T10] [ 187.267460][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 187.267460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.267460][ T10] ipv6_find_idev+0x102/0x170 [ 187.267460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.267460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.267460][ T10] netlink_rcv_skb+0x130/0x360 [ 187.267460][ T10] netlink_unicast+0x449/0x710 [ 187.267460][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.267460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.267460][ T10] ___sys_sendmsg+0xee/0x170 [ 187.267460][ T10] __sys_sendmsg+0xcd/0x170 [ 187.267460][ T10] do_syscall_64+0xc6/0x1e0 [ 187.267460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.267460][ T10] [ 187.269308][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 187.269308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.269308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.269308][ T10] ipv6_find_idev+0x102/0x170 [ 187.269308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.269308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.269308][ T10] netlink_rcv_skb+0x130/0x360 [ 187.269308][ T10] netlink_unicast+0x449/0x710 [ 187.269308][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.269308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.269308][ T10] ___sys_sendmsg+0xee/0x170 [ 187.269308][ T10] __sys_sendmsg+0xcd/0x170 [ 187.269308][ T10] do_syscall_64+0xc6/0x1e0 [ 187.269308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.269308][ T10] [ 187.271352][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 187.271653][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 187.271653][ T10] netdev_get_by_index+0x5e/0x80 [ 187.271653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.271653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.271653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.271653][ T10] ipv6_add_addr+0x411/0x2000 [ 187.271653][ T10] inet6_addr_add+0x30e/0xa40 [ 187.271653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.271653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.271653][ T10] netlink_rcv_skb+0x130/0x360 [ 187.271653][ T10] netlink_unicast+0x449/0x710 [ 187.271653][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.271653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.271653][ T10] ___sys_sendmsg+0xee/0x170 [ 187.271653][ T10] __sys_sendmsg+0xcd/0x170 [ 187.271653][ T10] do_syscall_64+0xc6/0x1e0 [ 187.271653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.271653][ T10] [ 187.273978][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 187.273978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.273978][ T10] ipv6_find_idev+0x102/0x170 [ 187.273978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.273978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.273978][ T10] netlink_rcv_skb+0x130/0x360 [ 187.273978][ T10] netlink_unicast+0x449/0x710 [ 187.273978][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.273978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.273978][ T10] ___sys_sendmsg+0xee/0x170 [ 187.273978][ T10] __sys_sendmsg+0xcd/0x170 [ 187.273978][ T10] do_syscall_64+0xc6/0x1e0 [ 187.273978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.273978][ T10] [ 187.275751][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 187.275751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.275751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.275751][ T10] ipv6_find_idev+0x102/0x170 [ 187.275751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.275751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.275751][ T10] netlink_rcv_skb+0x130/0x360 [ 187.275751][ T10] netlink_unicast+0x449/0x710 [ 187.275751][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.275751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.275751][ T10] ___sys_sendmsg+0xee/0x170 [ 187.275751][ T10] __sys_sendmsg+0xcd/0x170 [ 187.275751][ T10] do_syscall_64+0xc6/0x1e0 [ 187.275751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.275751][ T10] [ 187.277717][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 187.278052][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 187.278052][ T10] netdev_get_by_index+0x5e/0x80 [ 187.278052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 187.278052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 187.278052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 187.278052][ T10] ipv6_add_addr+0x411/0x2000 [ 187.278052][ T10] inet6_addr_add+0x30e/0xa40 [ 187.278052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 187.278052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.278052][ T10] netlink_rcv_skb+0x130/0x360 [ 187.278052][ T10] netlink_unicast+0x449/0x710 [ 187.278052][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.278052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.278052][ T10] ___sys_sendmsg+0xee/0x170 [ 187.278052][ T10] __sys_sendmsg+0xcd/0x170 [ 187.278052][ T10] do_syscall_64+0xc6/0x1e0 [ 187.278052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.278052][ T10] [ 187.280506][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 187.280506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 187.280506][ T10] ipv6_find_idev+0x102/0x170 [ 187.280506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.280506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.280506][ T10] netlink_rcv_skb+0x130/0x360 [ 187.280506][ T10] netlink_unicast+0x449/0x710 [ 187.280506][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.280506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.280506][ T10] ___sys_sendmsg+0xee/0x170 [ 187.280506][ T10] __sys_sendmsg+0xcd/0x170 [ 187.280506][ T10] do_syscall_64+0xc6/0x1e0 [ 187.280506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.280506][ T10] [ 187.282343][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 187.282343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 187.282343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 187.282343][ T10] ipv6_find_idev+0x102/0x170 [ 187.282343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 187.282343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 187.282343][ T10] netlink_rcv_skb+0x130/0x360 [ 187.282343][ T10] netlink_unicast+0x449/0x710 [ 187.282343][ T10] netlink_sendmsg+0x723/0xbe0 [ 187.282343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 187.282343][ T10] ___sys_sendmsg+0xee/0x170 [ 187.282343][ T10] __sys_sendmsg+0xcd/0x170 [ 187.282343][ T10] do_syscall_64+0xc6/0x1e0 [ 187.282343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 187.282343][ T10] [ 197.522995][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 197.523461][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 197.523461][ T10] netdev_get_by_index+0x5e/0x80 [ 197.523461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.523461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.523461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.523461][ T10] ipv6_add_addr+0x411/0x2000 [ 197.523461][ T10] inet6_addr_add+0x30e/0xa40 [ 197.523461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.523461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.523461][ T10] netlink_rcv_skb+0x130/0x360 [ 197.523461][ T10] netlink_unicast+0x449/0x710 [ 197.523461][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.523461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.523461][ T10] ___sys_sendmsg+0xee/0x170 [ 197.523461][ T10] __sys_sendmsg+0xcd/0x170 [ 197.523461][ T10] do_syscall_64+0xc6/0x1e0 [ 197.523461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.523461][ T10] [ 197.525676][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 197.525676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.525676][ T10] ipv6_find_idev+0x102/0x170 [ 197.525676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.525676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.525676][ T10] netlink_rcv_skb+0x130/0x360 [ 197.525676][ T10] netlink_unicast+0x449/0x710 [ 197.525676][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.525676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.525676][ T10] ___sys_sendmsg+0xee/0x170 [ 197.525676][ T10] __sys_sendmsg+0xcd/0x170 [ 197.525676][ T10] do_syscall_64+0xc6/0x1e0 [ 197.525676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.525676][ T10] [ 197.527364][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 197.527364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.527364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.527364][ T10] ipv6_find_idev+0x102/0x170 [ 197.527364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.527364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.527364][ T10] netlink_rcv_skb+0x130/0x360 [ 197.527364][ T10] netlink_unicast+0x449/0x710 [ 197.527364][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.527364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.527364][ T10] ___sys_sendmsg+0xee/0x170 [ 197.527364][ T10] __sys_sendmsg+0xcd/0x170 [ 197.527364][ T10] do_syscall_64+0xc6/0x1e0 [ 197.527364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.527364][ T10] [ 197.529141][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 197.529421][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 197.529421][ T10] netdev_get_by_index+0x5e/0x80 [ 197.529421][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.529421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.529421][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.529421][ T10] ipv6_add_addr+0x411/0x2000 [ 197.529421][ T10] inet6_addr_add+0x30e/0xa40 [ 197.529421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.529421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.529421][ T10] netlink_rcv_skb+0x130/0x360 [ 197.529421][ T10] netlink_unicast+0x449/0x710 [ 197.529421][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.529421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.529421][ T10] ___sys_sendmsg+0xee/0x170 [ 197.529421][ T10] __sys_sendmsg+0xcd/0x170 [ 197.529421][ T10] do_syscall_64+0xc6/0x1e0 [ 197.529421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.529421][ T10] [ 197.531571][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 197.531571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.531571][ T10] ipv6_find_idev+0x102/0x170 [ 197.531571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.531571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.531571][ T10] netlink_rcv_skb+0x130/0x360 [ 197.531571][ T10] netlink_unicast+0x449/0x710 [ 197.531571][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.531571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.531571][ T10] ___sys_sendmsg+0xee/0x170 [ 197.531571][ T10] __sys_sendmsg+0xcd/0x170 [ 197.531571][ T10] do_syscall_64+0xc6/0x1e0 [ 197.531571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.531571][ T10] [ 197.533199][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 197.533199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.533199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.533199][ T10] ipv6_find_idev+0x102/0x170 [ 197.533199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.533199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.533199][ T10] netlink_rcv_skb+0x130/0x360 [ 197.533199][ T10] netlink_unicast+0x449/0x710 [ 197.533199][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.533199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.533199][ T10] ___sys_sendmsg+0xee/0x170 [ 197.533199][ T10] __sys_sendmsg+0xcd/0x170 [ 197.533199][ T10] do_syscall_64+0xc6/0x1e0 [ 197.533199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.533199][ T10] [ 197.535075][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 197.535378][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 197.535378][ T10] netdev_get_by_index+0x5e/0x80 [ 197.535378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.535378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.535378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.535378][ T10] ipv6_add_addr+0x411/0x2000 [ 197.535378][ T10] inet6_addr_add+0x30e/0xa40 [ 197.535378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.535378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.535378][ T10] netlink_rcv_skb+0x130/0x360 [ 197.535378][ T10] netlink_unicast+0x449/0x710 [ 197.535378][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.535378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.535378][ T10] ___sys_sendmsg+0xee/0x170 [ 197.535378][ T10] __sys_sendmsg+0xcd/0x170 [ 197.535378][ T10] do_syscall_64+0xc6/0x1e0 [ 197.535378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.535378][ T10] [ 197.537550][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 197.537550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.537550][ T10] ipv6_find_idev+0x102/0x170 [ 197.537550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.537550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.537550][ T10] netlink_rcv_skb+0x130/0x360 [ 197.537550][ T10] netlink_unicast+0x449/0x710 [ 197.537550][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.537550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.537550][ T10] ___sys_sendmsg+0xee/0x170 [ 197.537550][ T10] __sys_sendmsg+0xcd/0x170 [ 197.537550][ T10] do_syscall_64+0xc6/0x1e0 [ 197.537550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.537550][ T10] [ 197.539221][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 197.539221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.539221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.539221][ T10] ipv6_find_idev+0x102/0x170 [ 197.539221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.539221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.539221][ T10] netlink_rcv_skb+0x130/0x360 [ 197.539221][ T10] netlink_unicast+0x449/0x710 [ 197.539221][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.539221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.539221][ T10] ___sys_sendmsg+0xee/0x170 [ 197.539221][ T10] __sys_sendmsg+0xcd/0x170 [ 197.539221][ T10] do_syscall_64+0xc6/0x1e0 [ 197.539221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.539221][ T10] [ 197.541007][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 197.541284][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 197.541284][ T10] netdev_get_by_index+0x5e/0x80 [ 197.541284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.541284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.541284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.541284][ T10] ipv6_add_addr+0x411/0x2000 [ 197.541284][ T10] inet6_addr_add+0x30e/0xa40 [ 197.541284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.541284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.541284][ T10] netlink_rcv_skb+0x130/0x360 [ 197.541284][ T10] netlink_unicast+0x449/0x710 [ 197.541284][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.541284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.541284][ T10] ___sys_sendmsg+0xee/0x170 [ 197.541284][ T10] __sys_sendmsg+0xcd/0x170 [ 197.541284][ T10] do_syscall_64+0xc6/0x1e0 [ 197.541284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.541284][ T10] [ 197.543390][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 197.543390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.543390][ T10] ipv6_find_idev+0x102/0x170 [ 197.543390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.543390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.543390][ T10] netlink_rcv_skb+0x130/0x360 [ 197.543390][ T10] netlink_unicast+0x449/0x710 [ 197.543390][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.543390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.543390][ T10] ___sys_sendmsg+0xee/0x170 [ 197.543390][ T10] __sys_sendmsg+0xcd/0x170 [ 197.543390][ T10] do_syscall_64+0xc6/0x1e0 [ 197.543390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.543390][ T10] [ 197.545037][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 197.545037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.545037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.545037][ T10] ipv6_find_idev+0x102/0x170 [ 197.545037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.545037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.545037][ T10] netlink_rcv_skb+0x130/0x360 [ 197.545037][ T10] netlink_unicast+0x449/0x710 [ 197.545037][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.545037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.545037][ T10] ___sys_sendmsg+0xee/0x170 [ 197.545037][ T10] __sys_sendmsg+0xcd/0x170 [ 197.545037][ T10] do_syscall_64+0xc6/0x1e0 [ 197.545037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.545037][ T10] [ 197.547367][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 197.547670][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 197.547670][ T10] netdev_get_by_index+0x5e/0x80 [ 197.547670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.547670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.547670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.547670][ T10] ipv6_add_addr+0x411/0x2000 [ 197.547670][ T10] inet6_addr_add+0x30e/0xa40 [ 197.547670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.547670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.547670][ T10] netlink_rcv_skb+0x130/0x360 [ 197.547670][ T10] netlink_unicast+0x449/0x710 [ 197.547670][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.547670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.547670][ T10] ___sys_sendmsg+0xee/0x170 [ 197.547670][ T10] __sys_sendmsg+0xcd/0x170 [ 197.547670][ T10] do_syscall_64+0xc6/0x1e0 [ 197.547670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.547670][ T10] [ 197.549835][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 197.549835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.549835][ T10] ipv6_find_idev+0x102/0x170 [ 197.549835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.549835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.549835][ T10] netlink_rcv_skb+0x130/0x360 [ 197.549835][ T10] netlink_unicast+0x449/0x710 [ 197.549835][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.549835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.549835][ T10] ___sys_sendmsg+0xee/0x170 [ 197.549835][ T10] __sys_sendmsg+0xcd/0x170 [ 197.549835][ T10] do_syscall_64+0xc6/0x1e0 [ 197.549835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.549835][ T10] [ 197.551490][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 197.551490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.551490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.551490][ T10] ipv6_find_idev+0x102/0x170 [ 197.551490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.551490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.551490][ T10] netlink_rcv_skb+0x130/0x360 [ 197.551490][ T10] netlink_unicast+0x449/0x710 [ 197.551490][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.551490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.551490][ T10] ___sys_sendmsg+0xee/0x170 [ 197.551490][ T10] __sys_sendmsg+0xcd/0x170 [ 197.551490][ T10] do_syscall_64+0xc6/0x1e0 [ 197.551490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.551490][ T10] [ 197.553284][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 197.553555][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 197.553555][ T10] netdev_get_by_index+0x5e/0x80 [ 197.553555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.553555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.553555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.553555][ T10] ipv6_add_addr+0x411/0x2000 [ 197.553555][ T10] inet6_addr_add+0x30e/0xa40 [ 197.553555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.553555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.553555][ T10] netlink_rcv_skb+0x130/0x360 [ 197.553555][ T10] netlink_unicast+0x449/0x710 [ 197.553555][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.553555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.553555][ T10] ___sys_sendmsg+0xee/0x170 [ 197.553555][ T10] __sys_sendmsg+0xcd/0x170 [ 197.553555][ T10] do_syscall_64+0xc6/0x1e0 [ 197.553555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.553555][ T10] [ 197.555789][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 197.555789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.555789][ T10] ipv6_find_idev+0x102/0x170 [ 197.555789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.555789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.555789][ T10] netlink_rcv_skb+0x130/0x360 [ 197.555789][ T10] netlink_unicast+0x449/0x710 [ 197.555789][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.555789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.555789][ T10] ___sys_sendmsg+0xee/0x170 [ 197.555789][ T10] __sys_sendmsg+0xcd/0x170 [ 197.555789][ T10] do_syscall_64+0xc6/0x1e0 [ 197.555789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.555789][ T10] [ 197.557744][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 197.557744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.557744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.557744][ T10] ipv6_find_idev+0x102/0x170 [ 197.557744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.557744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.557744][ T10] netlink_rcv_skb+0x130/0x360 [ 197.557744][ T10] netlink_unicast+0x449/0x710 [ 197.557744][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.557744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.557744][ T10] ___sys_sendmsg+0xee/0x170 [ 197.557744][ T10] __sys_sendmsg+0xcd/0x170 [ 197.557744][ T10] do_syscall_64+0xc6/0x1e0 [ 197.557744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.557744][ T10] [ 197.559830][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 197.560164][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 197.560164][ T10] netdev_get_by_index+0x5e/0x80 [ 197.560164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.560164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.560164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.560164][ T10] ipv6_add_addr+0x411/0x2000 [ 197.560164][ T10] inet6_addr_add+0x30e/0xa40 [ 197.560164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.560164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.560164][ T10] netlink_rcv_skb+0x130/0x360 [ 197.560164][ T10] netlink_unicast+0x449/0x710 [ 197.560164][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.560164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.560164][ T10] ___sys_sendmsg+0xee/0x170 [ 197.560164][ T10] __sys_sendmsg+0xcd/0x170 [ 197.560164][ T10] do_syscall_64+0xc6/0x1e0 [ 197.560164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.560164][ T10] [ 197.562604][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 197.562604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.562604][ T10] ipv6_find_idev+0x102/0x170 [ 197.562604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.562604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.562604][ T10] netlink_rcv_skb+0x130/0x360 [ 197.562604][ T10] netlink_unicast+0x449/0x710 [ 197.562604][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.562604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.562604][ T10] ___sys_sendmsg+0xee/0x170 [ 197.562604][ T10] __sys_sendmsg+0xcd/0x170 [ 197.562604][ T10] do_syscall_64+0xc6/0x1e0 [ 197.562604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.562604][ T10] [ 197.564378][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 197.564378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.564378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.564378][ T10] ipv6_find_idev+0x102/0x170 [ 197.564378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.564378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.564378][ T10] netlink_rcv_skb+0x130/0x360 [ 197.564378][ T10] netlink_unicast+0x449/0x710 [ 197.564378][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.564378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.564378][ T10] ___sys_sendmsg+0xee/0x170 [ 197.564378][ T10] __sys_sendmsg+0xcd/0x170 [ 197.564378][ T10] do_syscall_64+0xc6/0x1e0 [ 197.564378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.564378][ T10] [ 197.566279][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 197.566547][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 197.566547][ T10] netdev_get_by_index+0x5e/0x80 [ 197.566547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 197.566547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 197.566547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 197.566547][ T10] ipv6_add_addr+0x411/0x2000 [ 197.566547][ T10] inet6_addr_add+0x30e/0xa40 [ 197.566547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 197.566547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.566547][ T10] netlink_rcv_skb+0x130/0x360 [ 197.566547][ T10] netlink_unicast+0x449/0x710 [ 197.566547][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.566547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.566547][ T10] ___sys_sendmsg+0xee/0x170 [ 197.566547][ T10] __sys_sendmsg+0xcd/0x170 [ 197.566547][ T10] do_syscall_64+0xc6/0x1e0 [ 197.566547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.566547][ T10] [ 197.568837][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 197.568837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 197.568837][ T10] ipv6_find_idev+0x102/0x170 [ 197.568837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.568837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.568837][ T10] netlink_rcv_skb+0x130/0x360 [ 197.568837][ T10] netlink_unicast+0x449/0x710 [ 197.568837][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.568837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.568837][ T10] ___sys_sendmsg+0xee/0x170 [ 197.568837][ T10] __sys_sendmsg+0xcd/0x170 [ 197.568837][ T10] do_syscall_64+0xc6/0x1e0 [ 197.568837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.568837][ T10] [ 197.570539][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 197.570539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 197.570539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 197.570539][ T10] ipv6_find_idev+0x102/0x170 [ 197.570539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 197.570539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 197.570539][ T10] netlink_rcv_skb+0x130/0x360 [ 197.570539][ T10] netlink_unicast+0x449/0x710 [ 197.570539][ T10] netlink_sendmsg+0x723/0xbe0 [ 197.570539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 197.570539][ T10] ___sys_sendmsg+0xee/0x170 [ 197.570539][ T10] __sys_sendmsg+0xcd/0x170 [ 197.570539][ T10] do_syscall_64+0xc6/0x1e0 [ 197.570539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 197.570539][ T10] [ 207.810932][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 207.811349][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 207.811349][ T10] netdev_get_by_index+0x5e/0x80 [ 207.811349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.811349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.811349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.811349][ T10] ipv6_add_addr+0x411/0x2000 [ 207.811349][ T10] inet6_addr_add+0x30e/0xa40 [ 207.811349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.811349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.811349][ T10] netlink_rcv_skb+0x130/0x360 [ 207.811349][ T10] netlink_unicast+0x449/0x710 [ 207.811349][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.811349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.811349][ T10] ___sys_sendmsg+0xee/0x170 [ 207.811349][ T10] __sys_sendmsg+0xcd/0x170 [ 207.811349][ T10] do_syscall_64+0xc6/0x1e0 [ 207.811349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.811349][ T10] [ 207.813408][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 207.813408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.813408][ T10] ipv6_find_idev+0x102/0x170 [ 207.813408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.813408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.813408][ T10] netlink_rcv_skb+0x130/0x360 [ 207.813408][ T10] netlink_unicast+0x449/0x710 [ 207.813408][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.813408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.813408][ T10] ___sys_sendmsg+0xee/0x170 [ 207.813408][ T10] __sys_sendmsg+0xcd/0x170 [ 207.813408][ T10] do_syscall_64+0xc6/0x1e0 [ 207.813408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.813408][ T10] [ 207.814948][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 207.814948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.814948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.814948][ T10] ipv6_find_idev+0x102/0x170 [ 207.814948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.814948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.814948][ T10] netlink_rcv_skb+0x130/0x360 [ 207.814948][ T10] netlink_unicast+0x449/0x710 [ 207.814948][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.814948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.814948][ T10] ___sys_sendmsg+0xee/0x170 [ 207.814948][ T10] __sys_sendmsg+0xcd/0x170 [ 207.814948][ T10] do_syscall_64+0xc6/0x1e0 [ 207.814948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.814948][ T10] [ 207.817587][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 207.818047][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 207.818047][ T10] netdev_get_by_index+0x5e/0x80 [ 207.818047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.818047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.818047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.818047][ T10] ipv6_add_addr+0x411/0x2000 [ 207.818047][ T10] inet6_addr_add+0x30e/0xa40 [ 207.818047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.818047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.818047][ T10] netlink_rcv_skb+0x130/0x360 [ 207.818047][ T10] netlink_unicast+0x449/0x710 [ 207.818047][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.818047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.818047][ T10] ___sys_sendmsg+0xee/0x170 [ 207.818047][ T10] __sys_sendmsg+0xcd/0x170 [ 207.818047][ T10] do_syscall_64+0xc6/0x1e0 [ 207.818047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.818047][ T10] [ 207.821185][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 207.821185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.821185][ T10] ipv6_find_idev+0x102/0x170 [ 207.821185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.821185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.821185][ T10] netlink_rcv_skb+0x130/0x360 [ 207.821185][ T10] netlink_unicast+0x449/0x710 [ 207.821185][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.821185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.821185][ T10] ___sys_sendmsg+0xee/0x170 [ 207.821185][ T10] __sys_sendmsg+0xcd/0x170 [ 207.821185][ T10] do_syscall_64+0xc6/0x1e0 [ 207.821185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.821185][ T10] [ 207.823730][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 207.823730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.823730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.823730][ T10] ipv6_find_idev+0x102/0x170 [ 207.823730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.823730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.823730][ T10] netlink_rcv_skb+0x130/0x360 [ 207.823730][ T10] netlink_unicast+0x449/0x710 [ 207.823730][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.823730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.823730][ T10] ___sys_sendmsg+0xee/0x170 [ 207.823730][ T10] __sys_sendmsg+0xcd/0x170 [ 207.823730][ T10] do_syscall_64+0xc6/0x1e0 [ 207.823730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.823730][ T10] [ 207.826363][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 207.826790][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 207.826790][ T10] netdev_get_by_index+0x5e/0x80 [ 207.826790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.826790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.826790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.826790][ T10] ipv6_add_addr+0x411/0x2000 [ 207.826790][ T10] inet6_addr_add+0x30e/0xa40 [ 207.826790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.826790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.826790][ T10] netlink_rcv_skb+0x130/0x360 [ 207.826790][ T10] netlink_unicast+0x449/0x710 [ 207.826790][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.826790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.826790][ T10] ___sys_sendmsg+0xee/0x170 [ 207.826790][ T10] __sys_sendmsg+0xcd/0x170 [ 207.826790][ T10] do_syscall_64+0xc6/0x1e0 [ 207.826790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.826790][ T10] [ 207.829889][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 207.829889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.829889][ T10] ipv6_find_idev+0x102/0x170 [ 207.829889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.829889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.829889][ T10] netlink_rcv_skb+0x130/0x360 [ 207.829889][ T10] netlink_unicast+0x449/0x710 [ 207.829889][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.829889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.829889][ T10] ___sys_sendmsg+0xee/0x170 [ 207.829889][ T10] __sys_sendmsg+0xcd/0x170 [ 207.829889][ T10] do_syscall_64+0xc6/0x1e0 [ 207.829889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.829889][ T10] [ 207.832316][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 207.832316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.832316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.832316][ T10] ipv6_find_idev+0x102/0x170 [ 207.832316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.832316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.832316][ T10] netlink_rcv_skb+0x130/0x360 [ 207.832316][ T10] netlink_unicast+0x449/0x710 [ 207.832316][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.832316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.832316][ T10] ___sys_sendmsg+0xee/0x170 [ 207.832316][ T10] __sys_sendmsg+0xcd/0x170 [ 207.832316][ T10] do_syscall_64+0xc6/0x1e0 [ 207.832316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.832316][ T10] [ 207.834959][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 207.835385][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 207.835385][ T10] netdev_get_by_index+0x5e/0x80 [ 207.835385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.835385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.835385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.835385][ T10] ipv6_add_addr+0x411/0x2000 [ 207.835385][ T10] inet6_addr_add+0x30e/0xa40 [ 207.835385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.835385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.835385][ T10] netlink_rcv_skb+0x130/0x360 [ 207.835385][ T10] netlink_unicast+0x449/0x710 [ 207.835385][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.835385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.835385][ T10] ___sys_sendmsg+0xee/0x170 [ 207.835385][ T10] __sys_sendmsg+0xcd/0x170 [ 207.835385][ T10] do_syscall_64+0xc6/0x1e0 [ 207.835385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.835385][ T10] [ 207.838500][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 207.838500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.838500][ T10] ipv6_find_idev+0x102/0x170 [ 207.838500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.838500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.838500][ T10] netlink_rcv_skb+0x130/0x360 [ 207.838500][ T10] netlink_unicast+0x449/0x710 [ 207.838500][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.838500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.838500][ T10] ___sys_sendmsg+0xee/0x170 [ 207.838500][ T10] __sys_sendmsg+0xcd/0x170 [ 207.838500][ T10] do_syscall_64+0xc6/0x1e0 [ 207.838500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.838500][ T10] [ 207.840888][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 207.840888][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.840888][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.840888][ T10] ipv6_find_idev+0x102/0x170 [ 207.840888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.840888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.840888][ T10] netlink_rcv_skb+0x130/0x360 [ 207.840888][ T10] netlink_unicast+0x449/0x710 [ 207.840888][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.840888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.840888][ T10] ___sys_sendmsg+0xee/0x170 [ 207.840888][ T10] __sys_sendmsg+0xcd/0x170 [ 207.840888][ T10] do_syscall_64+0xc6/0x1e0 [ 207.840888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.840888][ T10] [ 207.844317][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 207.844782][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 207.844782][ T10] netdev_get_by_index+0x5e/0x80 [ 207.844782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.844782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.844782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.844782][ T10] ipv6_add_addr+0x411/0x2000 [ 207.844782][ T10] inet6_addr_add+0x30e/0xa40 [ 207.844782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.844782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.844782][ T10] netlink_rcv_skb+0x130/0x360 [ 207.844782][ T10] netlink_unicast+0x449/0x710 [ 207.844782][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.844782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.844782][ T10] ___sys_sendmsg+0xee/0x170 [ 207.844782][ T10] __sys_sendmsg+0xcd/0x170 [ 207.844782][ T10] do_syscall_64+0xc6/0x1e0 [ 207.844782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.844782][ T10] [ 207.847938][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 207.847938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.847938][ T10] ipv6_find_idev+0x102/0x170 [ 207.847938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.847938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.847938][ T10] netlink_rcv_skb+0x130/0x360 [ 207.847938][ T10] netlink_unicast+0x449/0x710 [ 207.847938][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.847938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.847938][ T10] ___sys_sendmsg+0xee/0x170 [ 207.847938][ T10] __sys_sendmsg+0xcd/0x170 [ 207.847938][ T10] do_syscall_64+0xc6/0x1e0 [ 207.847938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.847938][ T10] [ 207.850153][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 207.850153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.850153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.850153][ T10] ipv6_find_idev+0x102/0x170 [ 207.850153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.850153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.850153][ T10] netlink_rcv_skb+0x130/0x360 [ 207.850153][ T10] netlink_unicast+0x449/0x710 [ 207.850153][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.850153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.850153][ T10] ___sys_sendmsg+0xee/0x170 [ 207.850153][ T10] __sys_sendmsg+0xcd/0x170 [ 207.850153][ T10] do_syscall_64+0xc6/0x1e0 [ 207.850153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.850153][ T10] [ 207.852701][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 207.853208][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 207.853208][ T10] netdev_get_by_index+0x5e/0x80 [ 207.853208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.853208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.853208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.853208][ T10] ipv6_add_addr+0x411/0x2000 [ 207.853208][ T10] inet6_addr_add+0x30e/0xa40 [ 207.853208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.853208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.853208][ T10] netlink_rcv_skb+0x130/0x360 [ 207.853208][ T10] netlink_unicast+0x449/0x710 [ 207.853208][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.853208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.853208][ T10] ___sys_sendmsg+0xee/0x170 [ 207.853208][ T10] __sys_sendmsg+0xcd/0x170 [ 207.853208][ T10] do_syscall_64+0xc6/0x1e0 [ 207.853208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.853208][ T10] [ 207.856334][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 207.856334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.856334][ T10] ipv6_find_idev+0x102/0x170 [ 207.856334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.856334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.856334][ T10] netlink_rcv_skb+0x130/0x360 [ 207.856334][ T10] netlink_unicast+0x449/0x710 [ 207.856334][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.856334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.856334][ T10] ___sys_sendmsg+0xee/0x170 [ 207.856334][ T10] __sys_sendmsg+0xcd/0x170 [ 207.856334][ T10] do_syscall_64+0xc6/0x1e0 [ 207.856334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.856334][ T10] [ 207.858962][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 207.858962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.858962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.858962][ T10] ipv6_find_idev+0x102/0x170 [ 207.858962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.858962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.858962][ T10] netlink_rcv_skb+0x130/0x360 [ 207.858962][ T10] netlink_unicast+0x449/0x710 [ 207.858962][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.858962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.858962][ T10] ___sys_sendmsg+0xee/0x170 [ 207.858962][ T10] __sys_sendmsg+0xcd/0x170 [ 207.858962][ T10] do_syscall_64+0xc6/0x1e0 [ 207.858962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.858962][ T10] [ 207.862065][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 207.862549][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 207.862549][ T10] netdev_get_by_index+0x5e/0x80 [ 207.862549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.862549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.862549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.862549][ T10] ipv6_add_addr+0x411/0x2000 [ 207.862549][ T10] inet6_addr_add+0x30e/0xa40 [ 207.862549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.862549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.862549][ T10] netlink_rcv_skb+0x130/0x360 [ 207.862549][ T10] netlink_unicast+0x449/0x710 [ 207.862549][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.862549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.862549][ T10] ___sys_sendmsg+0xee/0x170 [ 207.862549][ T10] __sys_sendmsg+0xcd/0x170 [ 207.862549][ T10] do_syscall_64+0xc6/0x1e0 [ 207.862549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.862549][ T10] [ 207.864640][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 207.864640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.864640][ T10] ipv6_find_idev+0x102/0x170 [ 207.864640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.864640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.864640][ T10] netlink_rcv_skb+0x130/0x360 [ 207.864640][ T10] netlink_unicast+0x449/0x710 [ 207.864640][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.864640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.864640][ T10] ___sys_sendmsg+0xee/0x170 [ 207.864640][ T10] __sys_sendmsg+0xcd/0x170 [ 207.864640][ T10] do_syscall_64+0xc6/0x1e0 [ 207.864640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.864640][ T10] [ 207.866347][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 207.866347][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.866347][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.866347][ T10] ipv6_find_idev+0x102/0x170 [ 207.866347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.866347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.866347][ T10] netlink_rcv_skb+0x130/0x360 [ 207.866347][ T10] netlink_unicast+0x449/0x710 [ 207.866347][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.866347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.866347][ T10] ___sys_sendmsg+0xee/0x170 [ 207.866347][ T10] __sys_sendmsg+0xcd/0x170 [ 207.866347][ T10] do_syscall_64+0xc6/0x1e0 [ 207.866347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.866347][ T10] [ 207.868281][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 207.868544][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 207.868544][ T10] netdev_get_by_index+0x5e/0x80 [ 207.868544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 207.868544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 207.868544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 207.868544][ T10] ipv6_add_addr+0x411/0x2000 [ 207.868544][ T10] inet6_addr_add+0x30e/0xa40 [ 207.868544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 207.868544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.868544][ T10] netlink_rcv_skb+0x130/0x360 [ 207.868544][ T10] netlink_unicast+0x449/0x710 [ 207.868544][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.868544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.868544][ T10] ___sys_sendmsg+0xee/0x170 [ 207.868544][ T10] __sys_sendmsg+0xcd/0x170 [ 207.868544][ T10] do_syscall_64+0xc6/0x1e0 [ 207.868544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.868544][ T10] [ 207.870847][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 207.870847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 207.870847][ T10] ipv6_find_idev+0x102/0x170 [ 207.870847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.870847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.870847][ T10] netlink_rcv_skb+0x130/0x360 [ 207.870847][ T10] netlink_unicast+0x449/0x710 [ 207.870847][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.870847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.870847][ T10] ___sys_sendmsg+0xee/0x170 [ 207.870847][ T10] __sys_sendmsg+0xcd/0x170 [ 207.870847][ T10] do_syscall_64+0xc6/0x1e0 [ 207.870847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.870847][ T10] [ 207.872627][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 207.872627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 207.872627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 207.872627][ T10] ipv6_find_idev+0x102/0x170 [ 207.872627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 207.872627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 207.872627][ T10] netlink_rcv_skb+0x130/0x360 [ 207.872627][ T10] netlink_unicast+0x449/0x710 [ 207.872627][ T10] netlink_sendmsg+0x723/0xbe0 [ 207.872627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 207.872627][ T10] ___sys_sendmsg+0xee/0x170 [ 207.872627][ T10] __sys_sendmsg+0xcd/0x170 [ 207.872627][ T10] do_syscall_64+0xc6/0x1e0 [ 207.872627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 207.872627][ T10] [ 218.114946][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 218.115336][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 218.115336][ T10] netdev_get_by_index+0x5e/0x80 [ 218.115336][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.115336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.115336][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.115336][ T10] ipv6_add_addr+0x411/0x2000 [ 218.115336][ T10] inet6_addr_add+0x30e/0xa40 [ 218.115336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.115336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.115336][ T10] netlink_rcv_skb+0x130/0x360 [ 218.115336][ T10] netlink_unicast+0x449/0x710 [ 218.115336][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.115336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.115336][ T10] ___sys_sendmsg+0xee/0x170 [ 218.115336][ T10] __sys_sendmsg+0xcd/0x170 [ 218.115336][ T10] do_syscall_64+0xc6/0x1e0 [ 218.115336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.115336][ T10] [ 218.117412][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 218.117412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.117412][ T10] ipv6_find_idev+0x102/0x170 [ 218.117412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.117412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.117412][ T10] netlink_rcv_skb+0x130/0x360 [ 218.117412][ T10] netlink_unicast+0x449/0x710 [ 218.117412][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.117412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.117412][ T10] ___sys_sendmsg+0xee/0x170 [ 218.117412][ T10] __sys_sendmsg+0xcd/0x170 [ 218.117412][ T10] do_syscall_64+0xc6/0x1e0 [ 218.117412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.117412][ T10] [ 218.119281][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 218.119281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.119281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.119281][ T10] ipv6_find_idev+0x102/0x170 [ 218.119281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.119281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.119281][ T10] netlink_rcv_skb+0x130/0x360 [ 218.119281][ T10] netlink_unicast+0x449/0x710 [ 218.119281][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.119281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.119281][ T10] ___sys_sendmsg+0xee/0x170 [ 218.119281][ T10] __sys_sendmsg+0xcd/0x170 [ 218.119281][ T10] do_syscall_64+0xc6/0x1e0 [ 218.119281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.119281][ T10] [ 218.122021][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 218.122488][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 218.122488][ T10] netdev_get_by_index+0x5e/0x80 [ 218.122488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.122488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.122488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.122488][ T10] ipv6_add_addr+0x411/0x2000 [ 218.122488][ T10] inet6_addr_add+0x30e/0xa40 [ 218.122488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.122488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.122488][ T10] netlink_rcv_skb+0x130/0x360 [ 218.122488][ T10] netlink_unicast+0x449/0x710 [ 218.122488][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.122488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.122488][ T10] ___sys_sendmsg+0xee/0x170 [ 218.122488][ T10] __sys_sendmsg+0xcd/0x170 [ 218.122488][ T10] do_syscall_64+0xc6/0x1e0 [ 218.122488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.122488][ T10] [ 218.125053][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 218.125053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.125053][ T10] ipv6_find_idev+0x102/0x170 [ 218.125053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.125053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.125053][ T10] netlink_rcv_skb+0x130/0x360 [ 218.125053][ T10] netlink_unicast+0x449/0x710 [ 218.125053][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.125053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.125053][ T10] ___sys_sendmsg+0xee/0x170 [ 218.125053][ T10] __sys_sendmsg+0xcd/0x170 [ 218.125053][ T10] do_syscall_64+0xc6/0x1e0 [ 218.125053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.125053][ T10] [ 218.127164][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 218.127164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.127164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.127164][ T10] ipv6_find_idev+0x102/0x170 [ 218.127164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.127164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.127164][ T10] netlink_rcv_skb+0x130/0x360 [ 218.127164][ T10] netlink_unicast+0x449/0x710 [ 218.127164][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.127164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.127164][ T10] ___sys_sendmsg+0xee/0x170 [ 218.127164][ T10] __sys_sendmsg+0xcd/0x170 [ 218.127164][ T10] do_syscall_64+0xc6/0x1e0 [ 218.127164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.127164][ T10] [ 218.130049][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 218.130498][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 218.130498][ T10] netdev_get_by_index+0x5e/0x80 [ 218.130498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.130498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.130498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.130498][ T10] ipv6_add_addr+0x411/0x2000 [ 218.130498][ T10] inet6_addr_add+0x30e/0xa40 [ 218.130498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.130498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.130498][ T10] netlink_rcv_skb+0x130/0x360 [ 218.130498][ T10] netlink_unicast+0x449/0x710 [ 218.130498][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.130498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.130498][ T10] ___sys_sendmsg+0xee/0x170 [ 218.130498][ T10] __sys_sendmsg+0xcd/0x170 [ 218.130498][ T10] do_syscall_64+0xc6/0x1e0 [ 218.130498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.130498][ T10] [ 218.133154][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 218.133154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.133154][ T10] ipv6_find_idev+0x102/0x170 [ 218.133154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.133154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.133154][ T10] netlink_rcv_skb+0x130/0x360 [ 218.133154][ T10] netlink_unicast+0x449/0x710 [ 218.133154][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.133154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.133154][ T10] ___sys_sendmsg+0xee/0x170 [ 218.133154][ T10] __sys_sendmsg+0xcd/0x170 [ 218.133154][ T10] do_syscall_64+0xc6/0x1e0 [ 218.133154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.133154][ T10] [ 218.134822][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 218.134822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.134822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.134822][ T10] ipv6_find_idev+0x102/0x170 [ 218.134822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.134822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.134822][ T10] netlink_rcv_skb+0x130/0x360 [ 218.134822][ T10] netlink_unicast+0x449/0x710 [ 218.134822][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.134822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.134822][ T10] ___sys_sendmsg+0xee/0x170 [ 218.134822][ T10] __sys_sendmsg+0xcd/0x170 [ 218.134822][ T10] do_syscall_64+0xc6/0x1e0 [ 218.134822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.134822][ T10] [ 218.136649][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 218.137006][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 218.137006][ T10] netdev_get_by_index+0x5e/0x80 [ 218.137006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.137006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.137006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.137006][ T10] ipv6_add_addr+0x411/0x2000 [ 218.137006][ T10] inet6_addr_add+0x30e/0xa40 [ 218.137006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.137006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.137006][ T10] netlink_rcv_skb+0x130/0x360 [ 218.137006][ T10] netlink_unicast+0x449/0x710 [ 218.137006][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.137006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.137006][ T10] ___sys_sendmsg+0xee/0x170 [ 218.137006][ T10] __sys_sendmsg+0xcd/0x170 [ 218.137006][ T10] do_syscall_64+0xc6/0x1e0 [ 218.137006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.137006][ T10] [ 218.139135][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 218.139135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.139135][ T10] ipv6_find_idev+0x102/0x170 [ 218.139135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.139135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.139135][ T10] netlink_rcv_skb+0x130/0x360 [ 218.139135][ T10] netlink_unicast+0x449/0x710 [ 218.139135][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.139135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.139135][ T10] ___sys_sendmsg+0xee/0x170 [ 218.139135][ T10] __sys_sendmsg+0xcd/0x170 [ 218.139135][ T10] do_syscall_64+0xc6/0x1e0 [ 218.139135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.139135][ T10] [ 218.140800][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 218.140800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.140800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.140800][ T10] ipv6_find_idev+0x102/0x170 [ 218.140800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.140800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.140800][ T10] netlink_rcv_skb+0x130/0x360 [ 218.140800][ T10] netlink_unicast+0x449/0x710 [ 218.140800][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.140800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.140800][ T10] ___sys_sendmsg+0xee/0x170 [ 218.140800][ T10] __sys_sendmsg+0xcd/0x170 [ 218.140800][ T10] do_syscall_64+0xc6/0x1e0 [ 218.140800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.140800][ T10] [ 218.142693][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 218.143078][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 218.143078][ T10] netdev_get_by_index+0x5e/0x80 [ 218.143078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.143078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.143078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.143078][ T10] ipv6_add_addr+0x411/0x2000 [ 218.143078][ T10] inet6_addr_add+0x30e/0xa40 [ 218.143078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.143078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.143078][ T10] netlink_rcv_skb+0x130/0x360 [ 218.143078][ T10] netlink_unicast+0x449/0x710 [ 218.143078][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.143078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.143078][ T10] ___sys_sendmsg+0xee/0x170 [ 218.143078][ T10] __sys_sendmsg+0xcd/0x170 [ 218.143078][ T10] do_syscall_64+0xc6/0x1e0 [ 218.143078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.143078][ T10] [ 218.145682][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 218.145682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.145682][ T10] ipv6_find_idev+0x102/0x170 [ 218.145682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.145682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.145682][ T10] netlink_rcv_skb+0x130/0x360 [ 218.145682][ T10] netlink_unicast+0x449/0x710 [ 218.145682][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.145682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.145682][ T10] ___sys_sendmsg+0xee/0x170 [ 218.145682][ T10] __sys_sendmsg+0xcd/0x170 [ 218.145682][ T10] do_syscall_64+0xc6/0x1e0 [ 218.145682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.145682][ T10] [ 218.147325][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 218.147325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.147325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.147325][ T10] ipv6_find_idev+0x102/0x170 [ 218.147325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.147325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.147325][ T10] netlink_rcv_skb+0x130/0x360 [ 218.147325][ T10] netlink_unicast+0x449/0x710 [ 218.147325][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.147325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.147325][ T10] ___sys_sendmsg+0xee/0x170 [ 218.147325][ T10] __sys_sendmsg+0xcd/0x170 [ 218.147325][ T10] do_syscall_64+0xc6/0x1e0 [ 218.147325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.147325][ T10] [ 218.149309][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 218.149602][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 218.149602][ T10] netdev_get_by_index+0x5e/0x80 [ 218.149602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.149602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.149602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.149602][ T10] ipv6_add_addr+0x411/0x2000 [ 218.149602][ T10] inet6_addr_add+0x30e/0xa40 [ 218.149602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.149602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.149602][ T10] netlink_rcv_skb+0x130/0x360 [ 218.149602][ T10] netlink_unicast+0x449/0x710 [ 218.149602][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.149602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.149602][ T10] ___sys_sendmsg+0xee/0x170 [ 218.149602][ T10] __sys_sendmsg+0xcd/0x170 [ 218.149602][ T10] do_syscall_64+0xc6/0x1e0 [ 218.149602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.149602][ T10] [ 218.152441][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 218.152441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.152441][ T10] ipv6_find_idev+0x102/0x170 [ 218.152441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.152441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.152441][ T10] netlink_rcv_skb+0x130/0x360 [ 218.152441][ T10] netlink_unicast+0x449/0x710 [ 218.152441][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.152441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.152441][ T10] ___sys_sendmsg+0xee/0x170 [ 218.152441][ T10] __sys_sendmsg+0xcd/0x170 [ 218.152441][ T10] do_syscall_64+0xc6/0x1e0 [ 218.152441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.152441][ T10] [ 218.154350][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 218.154350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.154350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.154350][ T10] ipv6_find_idev+0x102/0x170 [ 218.154350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.154350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.154350][ T10] netlink_rcv_skb+0x130/0x360 [ 218.154350][ T10] netlink_unicast+0x449/0x710 [ 218.154350][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.154350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.154350][ T10] ___sys_sendmsg+0xee/0x170 [ 218.154350][ T10] __sys_sendmsg+0xcd/0x170 [ 218.154350][ T10] do_syscall_64+0xc6/0x1e0 [ 218.154350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.154350][ T10] [ 218.156421][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 218.156705][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 218.156705][ T10] netdev_get_by_index+0x5e/0x80 [ 218.156705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.156705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.156705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.156705][ T10] ipv6_add_addr+0x411/0x2000 [ 218.156705][ T10] inet6_addr_add+0x30e/0xa40 [ 218.156705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.156705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.156705][ T10] netlink_rcv_skb+0x130/0x360 [ 218.156705][ T10] netlink_unicast+0x449/0x710 [ 218.156705][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.156705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.156705][ T10] ___sys_sendmsg+0xee/0x170 [ 218.156705][ T10] __sys_sendmsg+0xcd/0x170 [ 218.156705][ T10] do_syscall_64+0xc6/0x1e0 [ 218.156705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.156705][ T10] [ 218.159134][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 218.159134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.159134][ T10] ipv6_find_idev+0x102/0x170 [ 218.159134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.159134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.159134][ T10] netlink_rcv_skb+0x130/0x360 [ 218.159134][ T10] netlink_unicast+0x449/0x710 [ 218.159134][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.159134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.159134][ T10] ___sys_sendmsg+0xee/0x170 [ 218.159134][ T10] __sys_sendmsg+0xcd/0x170 [ 218.159134][ T10] do_syscall_64+0xc6/0x1e0 [ 218.159134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.159134][ T10] [ 218.160947][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 218.160947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.160947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.160947][ T10] ipv6_find_idev+0x102/0x170 [ 218.160947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.160947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.160947][ T10] netlink_rcv_skb+0x130/0x360 [ 218.160947][ T10] netlink_unicast+0x449/0x710 [ 218.160947][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.160947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.160947][ T10] ___sys_sendmsg+0xee/0x170 [ 218.160947][ T10] __sys_sendmsg+0xcd/0x170 [ 218.160947][ T10] do_syscall_64+0xc6/0x1e0 [ 218.160947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.160947][ T10] [ 218.163030][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 218.163316][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 218.163316][ T10] netdev_get_by_index+0x5e/0x80 [ 218.163316][ T10] fib6_nh_init+0x3d8/0x15b0 [ 218.163316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 218.163316][ T10] addrconf_f6i_alloc+0x244/0x410 [ 218.163316][ T10] ipv6_add_addr+0x411/0x2000 [ 218.163316][ T10] inet6_addr_add+0x30e/0xa40 [ 218.163316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 218.163316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.163316][ T10] netlink_rcv_skb+0x130/0x360 [ 218.163316][ T10] netlink_unicast+0x449/0x710 [ 218.163316][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.163316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.163316][ T10] ___sys_sendmsg+0xee/0x170 [ 218.163316][ T10] __sys_sendmsg+0xcd/0x170 [ 218.163316][ T10] do_syscall_64+0xc6/0x1e0 [ 218.163316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.163316][ T10] [ 218.165681][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 218.165681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 218.165681][ T10] ipv6_find_idev+0x102/0x170 [ 218.165681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.165681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.165681][ T10] netlink_rcv_skb+0x130/0x360 [ 218.165681][ T10] netlink_unicast+0x449/0x710 [ 218.165681][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.165681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.165681][ T10] ___sys_sendmsg+0xee/0x170 [ 218.165681][ T10] __sys_sendmsg+0xcd/0x170 [ 218.165681][ T10] do_syscall_64+0xc6/0x1e0 [ 218.165681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.165681][ T10] [ 218.167442][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 218.167442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 218.167442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 218.167442][ T10] ipv6_find_idev+0x102/0x170 [ 218.167442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 218.167442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 218.167442][ T10] netlink_rcv_skb+0x130/0x360 [ 218.167442][ T10] netlink_unicast+0x449/0x710 [ 218.167442][ T10] netlink_sendmsg+0x723/0xbe0 [ 218.167442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 218.167442][ T10] ___sys_sendmsg+0xee/0x170 [ 218.167442][ T10] __sys_sendmsg+0xcd/0x170 [ 218.167442][ T10] do_syscall_64+0xc6/0x1e0 [ 218.167442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 218.167442][ T10] [ 228.410949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 228.411509][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 228.411509][ T10] netdev_get_by_index+0x5e/0x80 [ 228.411509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.411509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.411509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.411509][ T10] ipv6_add_addr+0x411/0x2000 [ 228.411509][ T10] inet6_addr_add+0x30e/0xa40 [ 228.411509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.411509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.411509][ T10] netlink_rcv_skb+0x130/0x360 [ 228.411509][ T10] netlink_unicast+0x449/0x710 [ 228.411509][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.411509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.411509][ T10] ___sys_sendmsg+0xee/0x170 [ 228.411509][ T10] __sys_sendmsg+0xcd/0x170 [ 228.411509][ T10] do_syscall_64+0xc6/0x1e0 [ 228.411509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.411509][ T10] [ 228.414699][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 228.414699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.414699][ T10] ipv6_find_idev+0x102/0x170 [ 228.414699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.414699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.414699][ T10] netlink_rcv_skb+0x130/0x360 [ 228.414699][ T10] netlink_unicast+0x449/0x710 [ 228.414699][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.414699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.414699][ T10] ___sys_sendmsg+0xee/0x170 [ 228.414699][ T10] __sys_sendmsg+0xcd/0x170 [ 228.414699][ T10] do_syscall_64+0xc6/0x1e0 [ 228.414699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.414699][ T10] [ 228.417156][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 228.417156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.417156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.417156][ T10] ipv6_find_idev+0x102/0x170 [ 228.417156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.417156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.417156][ T10] netlink_rcv_skb+0x130/0x360 [ 228.417156][ T10] netlink_unicast+0x449/0x710 [ 228.417156][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.417156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.417156][ T10] ___sys_sendmsg+0xee/0x170 [ 228.417156][ T10] __sys_sendmsg+0xcd/0x170 [ 228.417156][ T10] do_syscall_64+0xc6/0x1e0 [ 228.417156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.417156][ T10] [ 228.419872][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 228.420322][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 228.420322][ T10] netdev_get_by_index+0x5e/0x80 [ 228.420322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.420322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.420322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.420322][ T10] ipv6_add_addr+0x411/0x2000 [ 228.420322][ T10] inet6_addr_add+0x30e/0xa40 [ 228.420322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.420322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.420322][ T10] netlink_rcv_skb+0x130/0x360 [ 228.420322][ T10] netlink_unicast+0x449/0x710 [ 228.420322][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.420322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.420322][ T10] ___sys_sendmsg+0xee/0x170 [ 228.420322][ T10] __sys_sendmsg+0xcd/0x170 [ 228.420322][ T10] do_syscall_64+0xc6/0x1e0 [ 228.420322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.420322][ T10] [ 228.423467][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 228.423467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.423467][ T10] ipv6_find_idev+0x102/0x170 [ 228.423467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.423467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.423467][ T10] netlink_rcv_skb+0x130/0x360 [ 228.423467][ T10] netlink_unicast+0x449/0x710 [ 228.423467][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.423467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.423467][ T10] ___sys_sendmsg+0xee/0x170 [ 228.423467][ T10] __sys_sendmsg+0xcd/0x170 [ 228.423467][ T10] do_syscall_64+0xc6/0x1e0 [ 228.423467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.423467][ T10] [ 228.425838][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 228.425838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.425838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.425838][ T10] ipv6_find_idev+0x102/0x170 [ 228.425838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.425838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.425838][ T10] netlink_rcv_skb+0x130/0x360 [ 228.425838][ T10] netlink_unicast+0x449/0x710 [ 228.425838][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.425838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.425838][ T10] ___sys_sendmsg+0xee/0x170 [ 228.425838][ T10] __sys_sendmsg+0xcd/0x170 [ 228.425838][ T10] do_syscall_64+0xc6/0x1e0 [ 228.425838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.425838][ T10] [ 228.428463][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 228.428878][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 228.428878][ T10] netdev_get_by_index+0x5e/0x80 [ 228.428878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.428878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.428878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.428878][ T10] ipv6_add_addr+0x411/0x2000 [ 228.428878][ T10] inet6_addr_add+0x30e/0xa40 [ 228.428878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.428878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.428878][ T10] netlink_rcv_skb+0x130/0x360 [ 228.428878][ T10] netlink_unicast+0x449/0x710 [ 228.428878][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.428878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.428878][ T10] ___sys_sendmsg+0xee/0x170 [ 228.428878][ T10] __sys_sendmsg+0xcd/0x170 [ 228.428878][ T10] do_syscall_64+0xc6/0x1e0 [ 228.428878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.428878][ T10] [ 228.432008][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 228.432008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.432008][ T10] ipv6_find_idev+0x102/0x170 [ 228.432008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.432008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.432008][ T10] netlink_rcv_skb+0x130/0x360 [ 228.432008][ T10] netlink_unicast+0x449/0x710 [ 228.432008][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.432008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.432008][ T10] ___sys_sendmsg+0xee/0x170 [ 228.432008][ T10] __sys_sendmsg+0xcd/0x170 [ 228.432008][ T10] do_syscall_64+0xc6/0x1e0 [ 228.432008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.432008][ T10] [ 228.434423][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 228.434423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.434423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.434423][ T10] ipv6_find_idev+0x102/0x170 [ 228.434423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.434423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.434423][ T10] netlink_rcv_skb+0x130/0x360 [ 228.434423][ T10] netlink_unicast+0x449/0x710 [ 228.434423][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.434423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.434423][ T10] ___sys_sendmsg+0xee/0x170 [ 228.434423][ T10] __sys_sendmsg+0xcd/0x170 [ 228.434423][ T10] do_syscall_64+0xc6/0x1e0 [ 228.434423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.434423][ T10] [ 228.437073][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 228.437523][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 228.437523][ T10] netdev_get_by_index+0x5e/0x80 [ 228.437523][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.437523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.437523][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.437523][ T10] ipv6_add_addr+0x411/0x2000 [ 228.437523][ T10] inet6_addr_add+0x30e/0xa40 [ 228.437523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.437523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.437523][ T10] netlink_rcv_skb+0x130/0x360 [ 228.437523][ T10] netlink_unicast+0x449/0x710 [ 228.437523][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.437523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.437523][ T10] ___sys_sendmsg+0xee/0x170 [ 228.437523][ T10] __sys_sendmsg+0xcd/0x170 [ 228.437523][ T10] do_syscall_64+0xc6/0x1e0 [ 228.437523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.437523][ T10] [ 228.440670][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 228.440670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.440670][ T10] ipv6_find_idev+0x102/0x170 [ 228.440670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.440670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.440670][ T10] netlink_rcv_skb+0x130/0x360 [ 228.440670][ T10] netlink_unicast+0x449/0x710 [ 228.440670][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.440670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.440670][ T10] ___sys_sendmsg+0xee/0x170 [ 228.440670][ T10] __sys_sendmsg+0xcd/0x170 [ 228.440670][ T10] do_syscall_64+0xc6/0x1e0 [ 228.440670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.440670][ T10] [ 228.443134][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 228.443134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.443134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.443134][ T10] ipv6_find_idev+0x102/0x170 [ 228.443134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.443134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.443134][ T10] netlink_rcv_skb+0x130/0x360 [ 228.443134][ T10] netlink_unicast+0x449/0x710 [ 228.443134][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.443134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.443134][ T10] ___sys_sendmsg+0xee/0x170 [ 228.443134][ T10] __sys_sendmsg+0xcd/0x170 [ 228.443134][ T10] do_syscall_64+0xc6/0x1e0 [ 228.443134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.443134][ T10] [ 228.445932][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 228.446367][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 228.446367][ T10] netdev_get_by_index+0x5e/0x80 [ 228.446367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.446367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.446367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.446367][ T10] ipv6_add_addr+0x411/0x2000 [ 228.446367][ T10] inet6_addr_add+0x30e/0xa40 [ 228.446367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.446367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.446367][ T10] netlink_rcv_skb+0x130/0x360 [ 228.446367][ T10] netlink_unicast+0x449/0x710 [ 228.446367][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.446367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.446367][ T10] ___sys_sendmsg+0xee/0x170 [ 228.446367][ T10] __sys_sendmsg+0xcd/0x170 [ 228.446367][ T10] do_syscall_64+0xc6/0x1e0 [ 228.446367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.446367][ T10] [ 228.449576][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 228.449576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.449576][ T10] ipv6_find_idev+0x102/0x170 [ 228.449576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.449576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.449576][ T10] netlink_rcv_skb+0x130/0x360 [ 228.449576][ T10] netlink_unicast+0x449/0x710 [ 228.449576][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.449576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.449576][ T10] ___sys_sendmsg+0xee/0x170 [ 228.449576][ T10] __sys_sendmsg+0xcd/0x170 [ 228.449576][ T10] do_syscall_64+0xc6/0x1e0 [ 228.449576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.449576][ T10] [ 228.452005][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 228.452005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.452005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.452005][ T10] ipv6_find_idev+0x102/0x170 [ 228.452005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.452005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.452005][ T10] netlink_rcv_skb+0x130/0x360 [ 228.452005][ T10] netlink_unicast+0x449/0x710 [ 228.452005][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.452005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.452005][ T10] ___sys_sendmsg+0xee/0x170 [ 228.452005][ T10] __sys_sendmsg+0xcd/0x170 [ 228.452005][ T10] do_syscall_64+0xc6/0x1e0 [ 228.452005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.452005][ T10] [ 228.455209][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 228.455645][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 228.455645][ T10] netdev_get_by_index+0x5e/0x80 [ 228.455645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.455645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.455645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.455645][ T10] ipv6_add_addr+0x411/0x2000 [ 228.455645][ T10] inet6_addr_add+0x30e/0xa40 [ 228.455645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.455645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.455645][ T10] netlink_rcv_skb+0x130/0x360 [ 228.455645][ T10] netlink_unicast+0x449/0x710 [ 228.455645][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.455645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.455645][ T10] ___sys_sendmsg+0xee/0x170 [ 228.455645][ T10] __sys_sendmsg+0xcd/0x170 [ 228.455645][ T10] do_syscall_64+0xc6/0x1e0 [ 228.455645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.455645][ T10] [ 228.459132][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 228.459132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.459132][ T10] ipv6_find_idev+0x102/0x170 [ 228.459132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.459132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.459132][ T10] netlink_rcv_skb+0x130/0x360 [ 228.459132][ T10] netlink_unicast+0x449/0x710 [ 228.459132][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.459132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.459132][ T10] ___sys_sendmsg+0xee/0x170 [ 228.459132][ T10] __sys_sendmsg+0xcd/0x170 [ 228.459132][ T10] do_syscall_64+0xc6/0x1e0 [ 228.459132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.459132][ T10] [ 228.461924][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 228.461924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.461924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.461924][ T10] ipv6_find_idev+0x102/0x170 [ 228.461924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.461924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.461924][ T10] netlink_rcv_skb+0x130/0x360 [ 228.461924][ T10] netlink_unicast+0x449/0x710 [ 228.461924][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.461924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.461924][ T10] ___sys_sendmsg+0xee/0x170 [ 228.461924][ T10] __sys_sendmsg+0xcd/0x170 [ 228.461924][ T10] do_syscall_64+0xc6/0x1e0 [ 228.461924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.461924][ T10] [ 228.464002][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 228.464274][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 228.464274][ T10] netdev_get_by_index+0x5e/0x80 [ 228.464274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.464274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.464274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.464274][ T10] ipv6_add_addr+0x411/0x2000 [ 228.464274][ T10] inet6_addr_add+0x30e/0xa40 [ 228.464274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.464274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.464274][ T10] netlink_rcv_skb+0x130/0x360 [ 228.464274][ T10] netlink_unicast+0x449/0x710 [ 228.464274][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.464274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.464274][ T10] ___sys_sendmsg+0xee/0x170 [ 228.464274][ T10] __sys_sendmsg+0xcd/0x170 [ 228.464274][ T10] do_syscall_64+0xc6/0x1e0 [ 228.464274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.464274][ T10] [ 228.466425][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 228.466425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.466425][ T10] ipv6_find_idev+0x102/0x170 [ 228.466425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.466425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.466425][ T10] netlink_rcv_skb+0x130/0x360 [ 228.466425][ T10] netlink_unicast+0x449/0x710 [ 228.466425][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.466425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.466425][ T10] ___sys_sendmsg+0xee/0x170 [ 228.466425][ T10] __sys_sendmsg+0xcd/0x170 [ 228.466425][ T10] do_syscall_64+0xc6/0x1e0 [ 228.466425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.466425][ T10] [ 228.468141][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 228.468141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.468141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.468141][ T10] ipv6_find_idev+0x102/0x170 [ 228.468141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.468141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.468141][ T10] netlink_rcv_skb+0x130/0x360 [ 228.468141][ T10] netlink_unicast+0x449/0x710 [ 228.468141][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.468141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.468141][ T10] ___sys_sendmsg+0xee/0x170 [ 228.468141][ T10] __sys_sendmsg+0xcd/0x170 [ 228.468141][ T10] do_syscall_64+0xc6/0x1e0 [ 228.468141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.468141][ T10] [ 228.470083][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 228.470347][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 228.470347][ T10] netdev_get_by_index+0x5e/0x80 [ 228.470347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 228.470347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 228.470347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 228.470347][ T10] ipv6_add_addr+0x411/0x2000 [ 228.470347][ T10] inet6_addr_add+0x30e/0xa40 [ 228.470347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 228.470347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.470347][ T10] netlink_rcv_skb+0x130/0x360 [ 228.470347][ T10] netlink_unicast+0x449/0x710 [ 228.470347][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.470347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.470347][ T10] ___sys_sendmsg+0xee/0x170 [ 228.470347][ T10] __sys_sendmsg+0xcd/0x170 [ 228.470347][ T10] do_syscall_64+0xc6/0x1e0 [ 228.470347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.470347][ T10] [ 228.472569][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 228.472569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 228.472569][ T10] ipv6_find_idev+0x102/0x170 [ 228.472569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.472569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.472569][ T10] netlink_rcv_skb+0x130/0x360 [ 228.472569][ T10] netlink_unicast+0x449/0x710 [ 228.472569][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.472569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.472569][ T10] ___sys_sendmsg+0xee/0x170 [ 228.472569][ T10] __sys_sendmsg+0xcd/0x170 [ 228.472569][ T10] do_syscall_64+0xc6/0x1e0 [ 228.472569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.472569][ T10] [ 228.474277][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 228.474277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 228.474277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 228.474277][ T10] ipv6_find_idev+0x102/0x170 [ 228.474277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 228.474277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 228.474277][ T10] netlink_rcv_skb+0x130/0x360 [ 228.474277][ T10] netlink_unicast+0x449/0x710 [ 228.474277][ T10] netlink_sendmsg+0x723/0xbe0 [ 228.474277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 228.474277][ T10] ___sys_sendmsg+0xee/0x170 [ 228.474277][ T10] __sys_sendmsg+0xcd/0x170 [ 228.474277][ T10] do_syscall_64+0xc6/0x1e0 [ 228.474277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 228.474277][ T10] [ 238.554966][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 238.555575][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 238.555575][ T10] netdev_get_by_index+0x5e/0x80 [ 238.555575][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.555575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.555575][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.555575][ T10] ipv6_add_addr+0x411/0x2000 [ 238.555575][ T10] inet6_addr_add+0x30e/0xa40 [ 238.555575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.555575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.555575][ T10] netlink_rcv_skb+0x130/0x360 [ 238.555575][ T10] netlink_unicast+0x449/0x710 [ 238.555575][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.555575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.555575][ T10] ___sys_sendmsg+0xee/0x170 [ 238.555575][ T10] __sys_sendmsg+0xcd/0x170 [ 238.555575][ T10] do_syscall_64+0xc6/0x1e0 [ 238.555575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.555575][ T10] [ 238.559016][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 238.559016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.559016][ T10] ipv6_find_idev+0x102/0x170 [ 238.559016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.559016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.559016][ T10] netlink_rcv_skb+0x130/0x360 [ 238.559016][ T10] netlink_unicast+0x449/0x710 [ 238.559016][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.559016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.559016][ T10] ___sys_sendmsg+0xee/0x170 [ 238.559016][ T10] __sys_sendmsg+0xcd/0x170 [ 238.559016][ T10] do_syscall_64+0xc6/0x1e0 [ 238.559016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.559016][ T10] [ 238.561363][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 238.561363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.561363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.561363][ T10] ipv6_find_idev+0x102/0x170 [ 238.561363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.561363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.561363][ T10] netlink_rcv_skb+0x130/0x360 [ 238.561363][ T10] netlink_unicast+0x449/0x710 [ 238.561363][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.561363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.561363][ T10] ___sys_sendmsg+0xee/0x170 [ 238.561363][ T10] __sys_sendmsg+0xcd/0x170 [ 238.561363][ T10] do_syscall_64+0xc6/0x1e0 [ 238.561363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.561363][ T10] [ 238.563152][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 238.563439][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 238.563439][ T10] netdev_get_by_index+0x5e/0x80 [ 238.563439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.563439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.563439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.563439][ T10] ipv6_add_addr+0x411/0x2000 [ 238.563439][ T10] inet6_addr_add+0x30e/0xa40 [ 238.563439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.563439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.563439][ T10] netlink_rcv_skb+0x130/0x360 [ 238.563439][ T10] netlink_unicast+0x449/0x710 [ 238.563439][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.563439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.563439][ T10] ___sys_sendmsg+0xee/0x170 [ 238.563439][ T10] __sys_sendmsg+0xcd/0x170 [ 238.563439][ T10] do_syscall_64+0xc6/0x1e0 [ 238.563439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.563439][ T10] [ 238.565770][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 238.565770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.565770][ T10] ipv6_find_idev+0x102/0x170 [ 238.565770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.565770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.565770][ T10] netlink_rcv_skb+0x130/0x360 [ 238.565770][ T10] netlink_unicast+0x449/0x710 [ 238.565770][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.565770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.565770][ T10] ___sys_sendmsg+0xee/0x170 [ 238.565770][ T10] __sys_sendmsg+0xcd/0x170 [ 238.565770][ T10] do_syscall_64+0xc6/0x1e0 [ 238.565770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.565770][ T10] [ 238.567338][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 238.567338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.567338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.567338][ T10] ipv6_find_idev+0x102/0x170 [ 238.567338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.567338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.567338][ T10] netlink_rcv_skb+0x130/0x360 [ 238.567338][ T10] netlink_unicast+0x449/0x710 [ 238.567338][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.567338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.567338][ T10] ___sys_sendmsg+0xee/0x170 [ 238.567338][ T10] __sys_sendmsg+0xcd/0x170 [ 238.567338][ T10] do_syscall_64+0xc6/0x1e0 [ 238.567338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.567338][ T10] [ 238.569422][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 238.569848][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 238.569848][ T10] netdev_get_by_index+0x5e/0x80 [ 238.569848][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.569848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.569848][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.569848][ T10] ipv6_add_addr+0x411/0x2000 [ 238.569848][ T10] inet6_addr_add+0x30e/0xa40 [ 238.569848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.569848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.569848][ T10] netlink_rcv_skb+0x130/0x360 [ 238.569848][ T10] netlink_unicast+0x449/0x710 [ 238.569848][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.569848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.569848][ T10] ___sys_sendmsg+0xee/0x170 [ 238.569848][ T10] __sys_sendmsg+0xcd/0x170 [ 238.569848][ T10] do_syscall_64+0xc6/0x1e0 [ 238.569848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.569848][ T10] [ 238.571902][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 238.571902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.571902][ T10] ipv6_find_idev+0x102/0x170 [ 238.571902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.571902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.571902][ T10] netlink_rcv_skb+0x130/0x360 [ 238.571902][ T10] netlink_unicast+0x449/0x710 [ 238.571902][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.571902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.571902][ T10] ___sys_sendmsg+0xee/0x170 [ 238.571902][ T10] __sys_sendmsg+0xcd/0x170 [ 238.571902][ T10] do_syscall_64+0xc6/0x1e0 [ 238.571902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.571902][ T10] [ 238.573498][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 238.573498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.573498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.573498][ T10] ipv6_find_idev+0x102/0x170 [ 238.573498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.573498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.573498][ T10] netlink_rcv_skb+0x130/0x360 [ 238.573498][ T10] netlink_unicast+0x449/0x710 [ 238.573498][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.573498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.573498][ T10] ___sys_sendmsg+0xee/0x170 [ 238.573498][ T10] __sys_sendmsg+0xcd/0x170 [ 238.573498][ T10] do_syscall_64+0xc6/0x1e0 [ 238.573498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.573498][ T10] [ 238.575297][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 238.575583][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 238.575583][ T10] netdev_get_by_index+0x5e/0x80 [ 238.575583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.575583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.575583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.575583][ T10] ipv6_add_addr+0x411/0x2000 [ 238.575583][ T10] inet6_addr_add+0x30e/0xa40 [ 238.575583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.575583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.575583][ T10] netlink_rcv_skb+0x130/0x360 [ 238.575583][ T10] netlink_unicast+0x449/0x710 [ 238.575583][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.575583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.575583][ T10] ___sys_sendmsg+0xee/0x170 [ 238.575583][ T10] __sys_sendmsg+0xcd/0x170 [ 238.575583][ T10] do_syscall_64+0xc6/0x1e0 [ 238.575583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.575583][ T10] [ 238.577669][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 238.577669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.577669][ T10] ipv6_find_idev+0x102/0x170 [ 238.577669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.577669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.577669][ T10] netlink_rcv_skb+0x130/0x360 [ 238.577669][ T10] netlink_unicast+0x449/0x710 [ 238.577669][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.577669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.577669][ T10] ___sys_sendmsg+0xee/0x170 [ 238.577669][ T10] __sys_sendmsg+0xcd/0x170 [ 238.577669][ T10] do_syscall_64+0xc6/0x1e0 [ 238.577669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.577669][ T10] [ 238.579234][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 238.579234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.579234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.579234][ T10] ipv6_find_idev+0x102/0x170 [ 238.579234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.579234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.579234][ T10] netlink_rcv_skb+0x130/0x360 [ 238.579234][ T10] netlink_unicast+0x449/0x710 [ 238.579234][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.579234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.579234][ T10] ___sys_sendmsg+0xee/0x170 [ 238.579234][ T10] __sys_sendmsg+0xcd/0x170 [ 238.579234][ T10] do_syscall_64+0xc6/0x1e0 [ 238.579234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.579234][ T10] [ 238.581369][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 238.581653][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 238.581653][ T10] netdev_get_by_index+0x5e/0x80 [ 238.581653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.581653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.581653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.581653][ T10] ipv6_add_addr+0x411/0x2000 [ 238.581653][ T10] inet6_addr_add+0x30e/0xa40 [ 238.581653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.581653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.581653][ T10] netlink_rcv_skb+0x130/0x360 [ 238.581653][ T10] netlink_unicast+0x449/0x710 [ 238.581653][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.581653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.581653][ T10] ___sys_sendmsg+0xee/0x170 [ 238.581653][ T10] __sys_sendmsg+0xcd/0x170 [ 238.581653][ T10] do_syscall_64+0xc6/0x1e0 [ 238.581653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.581653][ T10] [ 238.583691][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 238.583691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.583691][ T10] ipv6_find_idev+0x102/0x170 [ 238.583691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.583691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.583691][ T10] netlink_rcv_skb+0x130/0x360 [ 238.583691][ T10] netlink_unicast+0x449/0x710 [ 238.583691][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.583691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.583691][ T10] ___sys_sendmsg+0xee/0x170 [ 238.583691][ T10] __sys_sendmsg+0xcd/0x170 [ 238.583691][ T10] do_syscall_64+0xc6/0x1e0 [ 238.583691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.583691][ T10] [ 238.585245][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 238.585245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.585245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.585245][ T10] ipv6_find_idev+0x102/0x170 [ 238.585245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.585245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.585245][ T10] netlink_rcv_skb+0x130/0x360 [ 238.585245][ T10] netlink_unicast+0x449/0x710 [ 238.585245][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.585245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.585245][ T10] ___sys_sendmsg+0xee/0x170 [ 238.585245][ T10] __sys_sendmsg+0xcd/0x170 [ 238.585245][ T10] do_syscall_64+0xc6/0x1e0 [ 238.585245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.585245][ T10] [ 238.587110][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 238.587390][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 238.587390][ T10] netdev_get_by_index+0x5e/0x80 [ 238.587390][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.587390][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.587390][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.587390][ T10] ipv6_add_addr+0x411/0x2000 [ 238.587390][ T10] inet6_addr_add+0x30e/0xa40 [ 238.587390][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.587390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.587390][ T10] netlink_rcv_skb+0x130/0x360 [ 238.587390][ T10] netlink_unicast+0x449/0x710 [ 238.587390][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.587390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.587390][ T10] ___sys_sendmsg+0xee/0x170 [ 238.587390][ T10] __sys_sendmsg+0xcd/0x170 [ 238.587390][ T10] do_syscall_64+0xc6/0x1e0 [ 238.587390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.587390][ T10] [ 238.589525][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 238.589525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.589525][ T10] ipv6_find_idev+0x102/0x170 [ 238.589525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.589525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.589525][ T10] netlink_rcv_skb+0x130/0x360 [ 238.589525][ T10] netlink_unicast+0x449/0x710 [ 238.589525][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.589525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.589525][ T10] ___sys_sendmsg+0xee/0x170 [ 238.589525][ T10] __sys_sendmsg+0xcd/0x170 [ 238.589525][ T10] do_syscall_64+0xc6/0x1e0 [ 238.589525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.589525][ T10] [ 238.591304][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 238.591304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.591304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.591304][ T10] ipv6_find_idev+0x102/0x170 [ 238.591304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.591304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.591304][ T10] netlink_rcv_skb+0x130/0x360 [ 238.591304][ T10] netlink_unicast+0x449/0x710 [ 238.591304][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.591304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.591304][ T10] ___sys_sendmsg+0xee/0x170 [ 238.591304][ T10] __sys_sendmsg+0xcd/0x170 [ 238.591304][ T10] do_syscall_64+0xc6/0x1e0 [ 238.591304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.591304][ T10] [ 238.593434][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 238.593701][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 238.593701][ T10] netdev_get_by_index+0x5e/0x80 [ 238.593701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.593701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.593701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.593701][ T10] ipv6_add_addr+0x411/0x2000 [ 238.593701][ T10] inet6_addr_add+0x30e/0xa40 [ 238.593701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.593701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.593701][ T10] netlink_rcv_skb+0x130/0x360 [ 238.593701][ T10] netlink_unicast+0x449/0x710 [ 238.593701][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.593701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.593701][ T10] ___sys_sendmsg+0xee/0x170 [ 238.593701][ T10] __sys_sendmsg+0xcd/0x170 [ 238.593701][ T10] do_syscall_64+0xc6/0x1e0 [ 238.593701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.593701][ T10] [ 238.595972][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 238.595972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.595972][ T10] ipv6_find_idev+0x102/0x170 [ 238.595972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.595972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.595972][ T10] netlink_rcv_skb+0x130/0x360 [ 238.595972][ T10] netlink_unicast+0x449/0x710 [ 238.595972][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.595972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.595972][ T10] ___sys_sendmsg+0xee/0x170 [ 238.595972][ T10] __sys_sendmsg+0xcd/0x170 [ 238.595972][ T10] do_syscall_64+0xc6/0x1e0 [ 238.595972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.595972][ T10] [ 238.597742][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 238.597742][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.597742][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.597742][ T10] ipv6_find_idev+0x102/0x170 [ 238.597742][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.597742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.597742][ T10] netlink_rcv_skb+0x130/0x360 [ 238.597742][ T10] netlink_unicast+0x449/0x710 [ 238.597742][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.597742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.597742][ T10] ___sys_sendmsg+0xee/0x170 [ 238.597742][ T10] __sys_sendmsg+0xcd/0x170 [ 238.597742][ T10] do_syscall_64+0xc6/0x1e0 [ 238.597742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.597742][ T10] [ 238.599668][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 238.599997][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 238.599997][ T10] netdev_get_by_index+0x5e/0x80 [ 238.599997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 238.599997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 238.599997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 238.599997][ T10] ipv6_add_addr+0x411/0x2000 [ 238.599997][ T10] inet6_addr_add+0x30e/0xa40 [ 238.599997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 238.599997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.599997][ T10] netlink_rcv_skb+0x130/0x360 [ 238.599997][ T10] netlink_unicast+0x449/0x710 [ 238.599997][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.599997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.599997][ T10] ___sys_sendmsg+0xee/0x170 [ 238.599997][ T10] __sys_sendmsg+0xcd/0x170 [ 238.599997][ T10] do_syscall_64+0xc6/0x1e0 [ 238.599997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.599997][ T10] [ 238.602196][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 238.602196][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 238.602196][ T10] ipv6_find_idev+0x102/0x170 [ 238.602196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.602196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.602196][ T10] netlink_rcv_skb+0x130/0x360 [ 238.602196][ T10] netlink_unicast+0x449/0x710 [ 238.602196][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.602196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.602196][ T10] ___sys_sendmsg+0xee/0x170 [ 238.602196][ T10] __sys_sendmsg+0xcd/0x170 [ 238.602196][ T10] do_syscall_64+0xc6/0x1e0 [ 238.602196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.602196][ T10] [ 238.604002][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 238.604002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 238.604002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 238.604002][ T10] ipv6_find_idev+0x102/0x170 [ 238.604002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 238.604002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 238.604002][ T10] netlink_rcv_skb+0x130/0x360 [ 238.604002][ T10] netlink_unicast+0x449/0x710 [ 238.604002][ T10] netlink_sendmsg+0x723/0xbe0 [ 238.604002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 238.604002][ T10] ___sys_sendmsg+0xee/0x170 [ 238.604002][ T10] __sys_sendmsg+0xcd/0x170 [ 238.604002][ T10] do_syscall_64+0xc6/0x1e0 [ 238.604002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 238.604002][ T10] [ 248.658923][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 248.659404][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 248.659404][ T10] netdev_get_by_index+0x5e/0x80 [ 248.659404][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.659404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.659404][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.659404][ T10] ipv6_add_addr+0x411/0x2000 [ 248.659404][ T10] inet6_addr_add+0x30e/0xa40 [ 248.659404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.659404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.659404][ T10] netlink_rcv_skb+0x130/0x360 [ 248.659404][ T10] netlink_unicast+0x449/0x710 [ 248.659404][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.659404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.659404][ T10] ___sys_sendmsg+0xee/0x170 [ 248.659404][ T10] __sys_sendmsg+0xcd/0x170 [ 248.659404][ T10] do_syscall_64+0xc6/0x1e0 [ 248.659404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.659404][ T10] [ 248.661915][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 248.661915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.661915][ T10] ipv6_find_idev+0x102/0x170 [ 248.661915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.661915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.661915][ T10] netlink_rcv_skb+0x130/0x360 [ 248.661915][ T10] netlink_unicast+0x449/0x710 [ 248.661915][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.661915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.661915][ T10] ___sys_sendmsg+0xee/0x170 [ 248.661915][ T10] __sys_sendmsg+0xcd/0x170 [ 248.661915][ T10] do_syscall_64+0xc6/0x1e0 [ 248.661915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.661915][ T10] [ 248.663864][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 248.663864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.663864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.663864][ T10] ipv6_find_idev+0x102/0x170 [ 248.663864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.663864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.663864][ T10] netlink_rcv_skb+0x130/0x360 [ 248.663864][ T10] netlink_unicast+0x449/0x710 [ 248.663864][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.663864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.663864][ T10] ___sys_sendmsg+0xee/0x170 [ 248.663864][ T10] __sys_sendmsg+0xcd/0x170 [ 248.663864][ T10] do_syscall_64+0xc6/0x1e0 [ 248.663864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.663864][ T10] [ 248.665884][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 248.666180][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 248.666180][ T10] netdev_get_by_index+0x5e/0x80 [ 248.666180][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.666180][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.666180][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.666180][ T10] ipv6_add_addr+0x411/0x2000 [ 248.666180][ T10] inet6_addr_add+0x30e/0xa40 [ 248.666180][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.666180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.666180][ T10] netlink_rcv_skb+0x130/0x360 [ 248.666180][ T10] netlink_unicast+0x449/0x710 [ 248.666180][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.666180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.666180][ T10] ___sys_sendmsg+0xee/0x170 [ 248.666180][ T10] __sys_sendmsg+0xcd/0x170 [ 248.666180][ T10] do_syscall_64+0xc6/0x1e0 [ 248.666180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.666180][ T10] [ 248.668446][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 248.668446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.668446][ T10] ipv6_find_idev+0x102/0x170 [ 248.668446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.668446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.668446][ T10] netlink_rcv_skb+0x130/0x360 [ 248.668446][ T10] netlink_unicast+0x449/0x710 [ 248.668446][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.668446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.668446][ T10] ___sys_sendmsg+0xee/0x170 [ 248.668446][ T10] __sys_sendmsg+0xcd/0x170 [ 248.668446][ T10] do_syscall_64+0xc6/0x1e0 [ 248.668446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.668446][ T10] [ 248.670254][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 248.670254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.670254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.670254][ T10] ipv6_find_idev+0x102/0x170 [ 248.670254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.670254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.670254][ T10] netlink_rcv_skb+0x130/0x360 [ 248.670254][ T10] netlink_unicast+0x449/0x710 [ 248.670254][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.670254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.670254][ T10] ___sys_sendmsg+0xee/0x170 [ 248.670254][ T10] __sys_sendmsg+0xcd/0x170 [ 248.670254][ T10] do_syscall_64+0xc6/0x1e0 [ 248.670254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.670254][ T10] [ 248.672193][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 248.672524][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 248.672524][ T10] netdev_get_by_index+0x5e/0x80 [ 248.672524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.672524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.672524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.672524][ T10] ipv6_add_addr+0x411/0x2000 [ 248.672524][ T10] inet6_addr_add+0x30e/0xa40 [ 248.672524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.672524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.672524][ T10] netlink_rcv_skb+0x130/0x360 [ 248.672524][ T10] netlink_unicast+0x449/0x710 [ 248.672524][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.672524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.672524][ T10] ___sys_sendmsg+0xee/0x170 [ 248.672524][ T10] __sys_sendmsg+0xcd/0x170 [ 248.672524][ T10] do_syscall_64+0xc6/0x1e0 [ 248.672524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.672524][ T10] [ 248.674857][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 248.674857][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.674857][ T10] ipv6_find_idev+0x102/0x170 [ 248.674857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.674857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.674857][ T10] netlink_rcv_skb+0x130/0x360 [ 248.674857][ T10] netlink_unicast+0x449/0x710 [ 248.674857][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.674857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.674857][ T10] ___sys_sendmsg+0xee/0x170 [ 248.674857][ T10] __sys_sendmsg+0xcd/0x170 [ 248.674857][ T10] do_syscall_64+0xc6/0x1e0 [ 248.674857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.674857][ T10] [ 248.676679][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 248.676679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.676679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.676679][ T10] ipv6_find_idev+0x102/0x170 [ 248.676679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.676679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.676679][ T10] netlink_rcv_skb+0x130/0x360 [ 248.676679][ T10] netlink_unicast+0x449/0x710 [ 248.676679][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.676679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.676679][ T10] ___sys_sendmsg+0xee/0x170 [ 248.676679][ T10] __sys_sendmsg+0xcd/0x170 [ 248.676679][ T10] do_syscall_64+0xc6/0x1e0 [ 248.676679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.676679][ T10] [ 248.678628][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 248.679443][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 248.679443][ T10] netdev_get_by_index+0x5e/0x80 [ 248.679443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.679443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.679443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.679443][ T10] ipv6_add_addr+0x411/0x2000 [ 248.679443][ T10] inet6_addr_add+0x30e/0xa40 [ 248.679443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.679443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.679443][ T10] netlink_rcv_skb+0x130/0x360 [ 248.679443][ T10] netlink_unicast+0x449/0x710 [ 248.679443][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.679443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.679443][ T10] ___sys_sendmsg+0xee/0x170 [ 248.679443][ T10] __sys_sendmsg+0xcd/0x170 [ 248.679443][ T10] do_syscall_64+0xc6/0x1e0 [ 248.679443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.679443][ T10] [ 248.681720][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 248.681720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.681720][ T10] ipv6_find_idev+0x102/0x170 [ 248.681720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.681720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.681720][ T10] netlink_rcv_skb+0x130/0x360 [ 248.681720][ T10] netlink_unicast+0x449/0x710 [ 248.681720][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.681720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.681720][ T10] ___sys_sendmsg+0xee/0x170 [ 248.681720][ T10] __sys_sendmsg+0xcd/0x170 [ 248.681720][ T10] do_syscall_64+0xc6/0x1e0 [ 248.681720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.681720][ T10] [ 248.683419][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 248.683419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.683419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.683419][ T10] ipv6_find_idev+0x102/0x170 [ 248.683419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.683419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.683419][ T10] netlink_rcv_skb+0x130/0x360 [ 248.683419][ T10] netlink_unicast+0x449/0x710 [ 248.683419][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.683419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.683419][ T10] ___sys_sendmsg+0xee/0x170 [ 248.683419][ T10] __sys_sendmsg+0xcd/0x170 [ 248.683419][ T10] do_syscall_64+0xc6/0x1e0 [ 248.683419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.683419][ T10] [ 248.685306][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 248.685592][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 248.685592][ T10] netdev_get_by_index+0x5e/0x80 [ 248.685592][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.685592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.685592][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.685592][ T10] ipv6_add_addr+0x411/0x2000 [ 248.685592][ T10] inet6_addr_add+0x30e/0xa40 [ 248.685592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.685592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.685592][ T10] netlink_rcv_skb+0x130/0x360 [ 248.685592][ T10] netlink_unicast+0x449/0x710 [ 248.685592][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.685592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.685592][ T10] ___sys_sendmsg+0xee/0x170 [ 248.685592][ T10] __sys_sendmsg+0xcd/0x170 [ 248.685592][ T10] do_syscall_64+0xc6/0x1e0 [ 248.685592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.685592][ T10] [ 248.687793][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 248.687793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.687793][ T10] ipv6_find_idev+0x102/0x170 [ 248.687793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.687793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.687793][ T10] netlink_rcv_skb+0x130/0x360 [ 248.687793][ T10] netlink_unicast+0x449/0x710 [ 248.687793][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.687793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.687793][ T10] ___sys_sendmsg+0xee/0x170 [ 248.687793][ T10] __sys_sendmsg+0xcd/0x170 [ 248.687793][ T10] do_syscall_64+0xc6/0x1e0 [ 248.687793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.687793][ T10] [ 248.689570][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 248.689570][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.689570][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.689570][ T10] ipv6_find_idev+0x102/0x170 [ 248.689570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.689570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.689570][ T10] netlink_rcv_skb+0x130/0x360 [ 248.689570][ T10] netlink_unicast+0x449/0x710 [ 248.689570][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.689570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.689570][ T10] ___sys_sendmsg+0xee/0x170 [ 248.689570][ T10] __sys_sendmsg+0xcd/0x170 [ 248.689570][ T10] do_syscall_64+0xc6/0x1e0 [ 248.689570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.689570][ T10] [ 248.691566][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 248.691862][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 248.691862][ T10] netdev_get_by_index+0x5e/0x80 [ 248.691862][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.691862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.691862][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.691862][ T10] ipv6_add_addr+0x411/0x2000 [ 248.691862][ T10] inet6_addr_add+0x30e/0xa40 [ 248.691862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.691862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.691862][ T10] netlink_rcv_skb+0x130/0x360 [ 248.691862][ T10] netlink_unicast+0x449/0x710 [ 248.691862][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.691862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.691862][ T10] ___sys_sendmsg+0xee/0x170 [ 248.691862][ T10] __sys_sendmsg+0xcd/0x170 [ 248.691862][ T10] do_syscall_64+0xc6/0x1e0 [ 248.691862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.691862][ T10] [ 248.694245][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 248.694245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.694245][ T10] ipv6_find_idev+0x102/0x170 [ 248.694245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.694245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.694245][ T10] netlink_rcv_skb+0x130/0x360 [ 248.694245][ T10] netlink_unicast+0x449/0x710 [ 248.694245][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.694245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.694245][ T10] ___sys_sendmsg+0xee/0x170 [ 248.694245][ T10] __sys_sendmsg+0xcd/0x170 [ 248.694245][ T10] do_syscall_64+0xc6/0x1e0 [ 248.694245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.694245][ T10] [ 248.696205][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 248.696205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.696205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.696205][ T10] ipv6_find_idev+0x102/0x170 [ 248.696205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.696205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.696205][ T10] netlink_rcv_skb+0x130/0x360 [ 248.696205][ T10] netlink_unicast+0x449/0x710 [ 248.696205][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.696205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.696205][ T10] ___sys_sendmsg+0xee/0x170 [ 248.696205][ T10] __sys_sendmsg+0xcd/0x170 [ 248.696205][ T10] do_syscall_64+0xc6/0x1e0 [ 248.696205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.696205][ T10] [ 248.698536][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 248.699174][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 248.699174][ T10] netdev_get_by_index+0x5e/0x80 [ 248.699174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.699174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.699174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.699174][ T10] ipv6_add_addr+0x411/0x2000 [ 248.699174][ T10] inet6_addr_add+0x30e/0xa40 [ 248.699174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.699174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.699174][ T10] netlink_rcv_skb+0x130/0x360 [ 248.699174][ T10] netlink_unicast+0x449/0x710 [ 248.699174][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.699174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.699174][ T10] ___sys_sendmsg+0xee/0x170 [ 248.699174][ T10] __sys_sendmsg+0xcd/0x170 [ 248.699174][ T10] do_syscall_64+0xc6/0x1e0 [ 248.699174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.699174][ T10] [ 248.701720][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 248.701720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.701720][ T10] ipv6_find_idev+0x102/0x170 [ 248.701720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.701720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.701720][ T10] netlink_rcv_skb+0x130/0x360 [ 248.701720][ T10] netlink_unicast+0x449/0x710 [ 248.701720][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.701720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.701720][ T10] ___sys_sendmsg+0xee/0x170 [ 248.701720][ T10] __sys_sendmsg+0xcd/0x170 [ 248.701720][ T10] do_syscall_64+0xc6/0x1e0 [ 248.701720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.701720][ T10] [ 248.703831][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 248.703831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.703831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.703831][ T10] ipv6_find_idev+0x102/0x170 [ 248.703831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.703831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.703831][ T10] netlink_rcv_skb+0x130/0x360 [ 248.703831][ T10] netlink_unicast+0x449/0x710 [ 248.703831][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.703831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.703831][ T10] ___sys_sendmsg+0xee/0x170 [ 248.703831][ T10] __sys_sendmsg+0xcd/0x170 [ 248.703831][ T10] do_syscall_64+0xc6/0x1e0 [ 248.703831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.703831][ T10] [ 248.706163][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 248.706501][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 248.706501][ T10] netdev_get_by_index+0x5e/0x80 [ 248.706501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 248.706501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 248.706501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 248.706501][ T10] ipv6_add_addr+0x411/0x2000 [ 248.706501][ T10] inet6_addr_add+0x30e/0xa40 [ 248.706501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 248.706501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.706501][ T10] netlink_rcv_skb+0x130/0x360 [ 248.706501][ T10] netlink_unicast+0x449/0x710 [ 248.706501][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.706501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.706501][ T10] ___sys_sendmsg+0xee/0x170 [ 248.706501][ T10] __sys_sendmsg+0xcd/0x170 [ 248.706501][ T10] do_syscall_64+0xc6/0x1e0 [ 248.706501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.706501][ T10] [ 248.709153][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 248.709153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 248.709153][ T10] ipv6_find_idev+0x102/0x170 [ 248.709153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.709153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.709153][ T10] netlink_rcv_skb+0x130/0x360 [ 248.709153][ T10] netlink_unicast+0x449/0x710 [ 248.709153][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.709153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.709153][ T10] ___sys_sendmsg+0xee/0x170 [ 248.709153][ T10] __sys_sendmsg+0xcd/0x170 [ 248.709153][ T10] do_syscall_64+0xc6/0x1e0 [ 248.709153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.709153][ T10] [ 248.711325][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 248.711325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 248.711325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 248.711325][ T10] ipv6_find_idev+0x102/0x170 [ 248.711325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 248.711325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 248.711325][ T10] netlink_rcv_skb+0x130/0x360 [ 248.711325][ T10] netlink_unicast+0x449/0x710 [ 248.711325][ T10] netlink_sendmsg+0x723/0xbe0 [ 248.711325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 248.711325][ T10] ___sys_sendmsg+0xee/0x170 [ 248.711325][ T10] __sys_sendmsg+0xcd/0x170 [ 248.711325][ T10] do_syscall_64+0xc6/0x1e0 [ 248.711325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 248.711325][ T10] [ 258.962922][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 258.963308][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 258.963308][ T10] netdev_get_by_index+0x5e/0x80 [ 258.963308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 258.963308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 258.963308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 258.963308][ T10] ipv6_add_addr+0x411/0x2000 [ 258.963308][ T10] inet6_addr_add+0x30e/0xa40 [ 258.963308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 258.963308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.963308][ T10] netlink_rcv_skb+0x130/0x360 [ 258.963308][ T10] netlink_unicast+0x449/0x710 [ 258.963308][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.963308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.963308][ T10] ___sys_sendmsg+0xee/0x170 [ 258.963308][ T10] __sys_sendmsg+0xcd/0x170 [ 258.963308][ T10] do_syscall_64+0xc6/0x1e0 [ 258.963308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.963308][ T10] [ 258.965284][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 258.965284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 258.965284][ T10] ipv6_find_idev+0x102/0x170 [ 258.965284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.965284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.965284][ T10] netlink_rcv_skb+0x130/0x360 [ 258.965284][ T10] netlink_unicast+0x449/0x710 [ 258.965284][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.965284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.965284][ T10] ___sys_sendmsg+0xee/0x170 [ 258.965284][ T10] __sys_sendmsg+0xcd/0x170 [ 258.965284][ T10] do_syscall_64+0xc6/0x1e0 [ 258.965284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.965284][ T10] [ 258.966793][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 258.966793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 258.966793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 258.966793][ T10] ipv6_find_idev+0x102/0x170 [ 258.966793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.966793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.966793][ T10] netlink_rcv_skb+0x130/0x360 [ 258.966793][ T10] netlink_unicast+0x449/0x710 [ 258.966793][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.966793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.966793][ T10] ___sys_sendmsg+0xee/0x170 [ 258.966793][ T10] __sys_sendmsg+0xcd/0x170 [ 258.966793][ T10] do_syscall_64+0xc6/0x1e0 [ 258.966793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.966793][ T10] [ 258.968450][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 258.968741][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 258.968741][ T10] netdev_get_by_index+0x5e/0x80 [ 258.968741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 258.968741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 258.968741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 258.968741][ T10] ipv6_add_addr+0x411/0x2000 [ 258.968741][ T10] inet6_addr_add+0x30e/0xa40 [ 258.968741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 258.968741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.968741][ T10] netlink_rcv_skb+0x130/0x360 [ 258.968741][ T10] netlink_unicast+0x449/0x710 [ 258.968741][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.968741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.968741][ T10] ___sys_sendmsg+0xee/0x170 [ 258.968741][ T10] __sys_sendmsg+0xcd/0x170 [ 258.968741][ T10] do_syscall_64+0xc6/0x1e0 [ 258.968741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.968741][ T10] [ 258.970701][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 258.970701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 258.970701][ T10] ipv6_find_idev+0x102/0x170 [ 258.970701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.970701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.970701][ T10] netlink_rcv_skb+0x130/0x360 [ 258.970701][ T10] netlink_unicast+0x449/0x710 [ 258.970701][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.970701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.970701][ T10] ___sys_sendmsg+0xee/0x170 [ 258.970701][ T10] __sys_sendmsg+0xcd/0x170 [ 258.970701][ T10] do_syscall_64+0xc6/0x1e0 [ 258.970701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.970701][ T10] [ 258.972227][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 258.972227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 258.972227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 258.972227][ T10] ipv6_find_idev+0x102/0x170 [ 258.972227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.972227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.972227][ T10] netlink_rcv_skb+0x130/0x360 [ 258.972227][ T10] netlink_unicast+0x449/0x710 [ 258.972227][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.972227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.972227][ T10] ___sys_sendmsg+0xee/0x170 [ 258.972227][ T10] __sys_sendmsg+0xcd/0x170 [ 258.972227][ T10] do_syscall_64+0xc6/0x1e0 [ 258.972227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.972227][ T10] [ 258.973931][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 258.974206][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 258.974206][ T10] netdev_get_by_index+0x5e/0x80 [ 258.974206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 258.974206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 258.974206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 258.974206][ T10] ipv6_add_addr+0x411/0x2000 [ 258.974206][ T10] inet6_addr_add+0x30e/0xa40 [ 258.974206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 258.974206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.974206][ T10] netlink_rcv_skb+0x130/0x360 [ 258.974206][ T10] netlink_unicast+0x449/0x710 [ 258.974206][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.974206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.974206][ T10] ___sys_sendmsg+0xee/0x170 [ 258.974206][ T10] __sys_sendmsg+0xcd/0x170 [ 258.974206][ T10] do_syscall_64+0xc6/0x1e0 [ 258.974206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.974206][ T10] [ 258.976172][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 258.976172][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 258.976172][ T10] ipv6_find_idev+0x102/0x170 [ 258.976172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.976172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.976172][ T10] netlink_rcv_skb+0x130/0x360 [ 258.976172][ T10] netlink_unicast+0x449/0x710 [ 258.976172][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.976172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.976172][ T10] ___sys_sendmsg+0xee/0x170 [ 258.976172][ T10] __sys_sendmsg+0xcd/0x170 [ 258.976172][ T10] do_syscall_64+0xc6/0x1e0 [ 258.976172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.976172][ T10] [ 258.977684][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 258.977684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 258.977684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 258.977684][ T10] ipv6_find_idev+0x102/0x170 [ 258.977684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.977684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.977684][ T10] netlink_rcv_skb+0x130/0x360 [ 258.977684][ T10] netlink_unicast+0x449/0x710 [ 258.977684][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.977684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.977684][ T10] ___sys_sendmsg+0xee/0x170 [ 258.977684][ T10] __sys_sendmsg+0xcd/0x170 [ 258.977684][ T10] do_syscall_64+0xc6/0x1e0 [ 258.977684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.977684][ T10] [ 258.979765][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 258.980904][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 258.980904][ T10] netdev_get_by_index+0x5e/0x80 [ 258.980904][ T10] fib6_nh_init+0x3d8/0x15b0 [ 258.980904][ T10] ip6_route_info_create+0xf18/0x17d0 [ 258.980904][ T10] addrconf_f6i_alloc+0x244/0x410 [ 258.980904][ T10] ipv6_add_addr+0x411/0x2000 [ 258.980904][ T10] inet6_addr_add+0x30e/0xa40 [ 258.980904][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 258.980904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.980904][ T10] netlink_rcv_skb+0x130/0x360 [ 258.980904][ T10] netlink_unicast+0x449/0x710 [ 258.980904][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.980904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.980904][ T10] ___sys_sendmsg+0xee/0x170 [ 258.980904][ T10] __sys_sendmsg+0xcd/0x170 [ 258.980904][ T10] do_syscall_64+0xc6/0x1e0 [ 258.980904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.980904][ T10] [ 258.983936][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 258.983936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 258.983936][ T10] ipv6_find_idev+0x102/0x170 [ 258.983936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.983936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.983936][ T10] netlink_rcv_skb+0x130/0x360 [ 258.983936][ T10] netlink_unicast+0x449/0x710 [ 258.983936][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.983936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.983936][ T10] ___sys_sendmsg+0xee/0x170 [ 258.983936][ T10] __sys_sendmsg+0xcd/0x170 [ 258.983936][ T10] do_syscall_64+0xc6/0x1e0 [ 258.983936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.983936][ T10] [ 258.986277][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 258.986277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 258.986277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 258.986277][ T10] ipv6_find_idev+0x102/0x170 [ 258.986277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.986277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.986277][ T10] netlink_rcv_skb+0x130/0x360 [ 258.986277][ T10] netlink_unicast+0x449/0x710 [ 258.986277][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.986277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.986277][ T10] ___sys_sendmsg+0xee/0x170 [ 258.986277][ T10] __sys_sendmsg+0xcd/0x170 [ 258.986277][ T10] do_syscall_64+0xc6/0x1e0 [ 258.986277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.986277][ T10] [ 258.988883][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 258.989300][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 258.989300][ T10] netdev_get_by_index+0x5e/0x80 [ 258.989300][ T10] fib6_nh_init+0x3d8/0x15b0 [ 258.989300][ T10] ip6_route_info_create+0xf18/0x17d0 [ 258.989300][ T10] addrconf_f6i_alloc+0x244/0x410 [ 258.989300][ T10] ipv6_add_addr+0x411/0x2000 [ 258.989300][ T10] inet6_addr_add+0x30e/0xa40 [ 258.989300][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 258.989300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.989300][ T10] netlink_rcv_skb+0x130/0x360 [ 258.989300][ T10] netlink_unicast+0x449/0x710 [ 258.989300][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.989300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.989300][ T10] ___sys_sendmsg+0xee/0x170 [ 258.989300][ T10] __sys_sendmsg+0xcd/0x170 [ 258.989300][ T10] do_syscall_64+0xc6/0x1e0 [ 258.989300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.989300][ T10] [ 258.991943][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 258.991943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 258.991943][ T10] ipv6_find_idev+0x102/0x170 [ 258.991943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.991943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.991943][ T10] netlink_rcv_skb+0x130/0x360 [ 258.991943][ T10] netlink_unicast+0x449/0x710 [ 258.991943][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.991943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.991943][ T10] ___sys_sendmsg+0xee/0x170 [ 258.991943][ T10] __sys_sendmsg+0xcd/0x170 [ 258.991943][ T10] do_syscall_64+0xc6/0x1e0 [ 258.991943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.991943][ T10] [ 258.994160][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 258.994160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 258.994160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 258.994160][ T10] ipv6_find_idev+0x102/0x170 [ 258.994160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 258.994160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.994160][ T10] netlink_rcv_skb+0x130/0x360 [ 258.994160][ T10] netlink_unicast+0x449/0x710 [ 258.994160][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.994160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.994160][ T10] ___sys_sendmsg+0xee/0x170 [ 258.994160][ T10] __sys_sendmsg+0xcd/0x170 [ 258.994160][ T10] do_syscall_64+0xc6/0x1e0 [ 258.994160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.994160][ T10] [ 258.996888][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 258.997296][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 258.997296][ T10] netdev_get_by_index+0x5e/0x80 [ 258.997296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 258.997296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 258.997296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 258.997296][ T10] ipv6_add_addr+0x411/0x2000 [ 258.997296][ T10] inet6_addr_add+0x30e/0xa40 [ 258.997296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 258.997296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 258.997296][ T10] netlink_rcv_skb+0x130/0x360 [ 258.997296][ T10] netlink_unicast+0x449/0x710 [ 258.997296][ T10] netlink_sendmsg+0x723/0xbe0 [ 258.997296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 258.997296][ T10] ___sys_sendmsg+0xee/0x170 [ 258.997296][ T10] __sys_sendmsg+0xcd/0x170 [ 258.997296][ T10] do_syscall_64+0xc6/0x1e0 [ 258.997296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 258.997296][ T10] [ 259.000482][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 259.000482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 259.000482][ T10] ipv6_find_idev+0x102/0x170 [ 259.000482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.000482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.000482][ T10] netlink_rcv_skb+0x130/0x360 [ 259.000482][ T10] netlink_unicast+0x449/0x710 [ 259.000482][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.000482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.000482][ T10] ___sys_sendmsg+0xee/0x170 [ 259.000482][ T10] __sys_sendmsg+0xcd/0x170 [ 259.000482][ T10] do_syscall_64+0xc6/0x1e0 [ 259.000482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.000482][ T10] [ 259.003016][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 259.003016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 259.003016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 259.003016][ T10] ipv6_find_idev+0x102/0x170 [ 259.003016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.003016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.003016][ T10] netlink_rcv_skb+0x130/0x360 [ 259.003016][ T10] netlink_unicast+0x449/0x710 [ 259.003016][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.003016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.003016][ T10] ___sys_sendmsg+0xee/0x170 [ 259.003016][ T10] __sys_sendmsg+0xcd/0x170 [ 259.003016][ T10] do_syscall_64+0xc6/0x1e0 [ 259.003016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.003016][ T10] [ 259.004981][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 259.005248][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 259.005248][ T10] netdev_get_by_index+0x5e/0x80 [ 259.005248][ T10] fib6_nh_init+0x3d8/0x15b0 [ 259.005248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 259.005248][ T10] addrconf_f6i_alloc+0x244/0x410 [ 259.005248][ T10] ipv6_add_addr+0x411/0x2000 [ 259.005248][ T10] inet6_addr_add+0x30e/0xa40 [ 259.005248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 259.005248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.005248][ T10] netlink_rcv_skb+0x130/0x360 [ 259.005248][ T10] netlink_unicast+0x449/0x710 [ 259.005248][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.005248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.005248][ T10] ___sys_sendmsg+0xee/0x170 [ 259.005248][ T10] __sys_sendmsg+0xcd/0x170 [ 259.005248][ T10] do_syscall_64+0xc6/0x1e0 [ 259.005248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.005248][ T10] [ 259.007392][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 259.007392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 259.007392][ T10] ipv6_find_idev+0x102/0x170 [ 259.007392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.007392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.007392][ T10] netlink_rcv_skb+0x130/0x360 [ 259.007392][ T10] netlink_unicast+0x449/0x710 [ 259.007392][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.007392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.007392][ T10] ___sys_sendmsg+0xee/0x170 [ 259.007392][ T10] __sys_sendmsg+0xcd/0x170 [ 259.007392][ T10] do_syscall_64+0xc6/0x1e0 [ 259.007392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.007392][ T10] [ 259.009082][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 259.009082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 259.009082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 259.009082][ T10] ipv6_find_idev+0x102/0x170 [ 259.009082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.009082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.009082][ T10] netlink_rcv_skb+0x130/0x360 [ 259.009082][ T10] netlink_unicast+0x449/0x710 [ 259.009082][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.009082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.009082][ T10] ___sys_sendmsg+0xee/0x170 [ 259.009082][ T10] __sys_sendmsg+0xcd/0x170 [ 259.009082][ T10] do_syscall_64+0xc6/0x1e0 [ 259.009082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.009082][ T10] [ 259.010998][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 259.011271][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 259.011271][ T10] netdev_get_by_index+0x5e/0x80 [ 259.011271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 259.011271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 259.011271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 259.011271][ T10] ipv6_add_addr+0x411/0x2000 [ 259.011271][ T10] inet6_addr_add+0x30e/0xa40 [ 259.011271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 259.011271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.011271][ T10] netlink_rcv_skb+0x130/0x360 [ 259.011271][ T10] netlink_unicast+0x449/0x710 [ 259.011271][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.011271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.011271][ T10] ___sys_sendmsg+0xee/0x170 [ 259.011271][ T10] __sys_sendmsg+0xcd/0x170 [ 259.011271][ T10] do_syscall_64+0xc6/0x1e0 [ 259.011271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.011271][ T10] [ 259.013515][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 259.013515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 259.013515][ T10] ipv6_find_idev+0x102/0x170 [ 259.013515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.013515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.013515][ T10] netlink_rcv_skb+0x130/0x360 [ 259.013515][ T10] netlink_unicast+0x449/0x710 [ 259.013515][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.013515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.013515][ T10] ___sys_sendmsg+0xee/0x170 [ 259.013515][ T10] __sys_sendmsg+0xcd/0x170 [ 259.013515][ T10] do_syscall_64+0xc6/0x1e0 [ 259.013515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.013515][ T10] [ 259.015260][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 259.015260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 259.015260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 259.015260][ T10] ipv6_find_idev+0x102/0x170 [ 259.015260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 259.015260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 259.015260][ T10] netlink_rcv_skb+0x130/0x360 [ 259.015260][ T10] netlink_unicast+0x449/0x710 [ 259.015260][ T10] netlink_sendmsg+0x723/0xbe0 [ 259.015260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 259.015260][ T10] ___sys_sendmsg+0xee/0x170 [ 259.015260][ T10] __sys_sendmsg+0xcd/0x170 [ 259.015260][ T10] do_syscall_64+0xc6/0x1e0 [ 259.015260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 259.015260][ T10] [ 269.202945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 269.203471][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 269.203471][ T10] netdev_get_by_index+0x5e/0x80 [ 269.203471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.203471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.203471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.203471][ T10] ipv6_add_addr+0x411/0x2000 [ 269.203471][ T10] inet6_addr_add+0x30e/0xa40 [ 269.203471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.203471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.203471][ T10] netlink_rcv_skb+0x130/0x360 [ 269.203471][ T10] netlink_unicast+0x449/0x710 [ 269.203471][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.203471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.203471][ T10] ___sys_sendmsg+0xee/0x170 [ 269.203471][ T10] __sys_sendmsg+0xcd/0x170 [ 269.203471][ T10] do_syscall_64+0xc6/0x1e0 [ 269.203471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.203471][ T10] [ 269.206078][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 269.206078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.206078][ T10] ipv6_find_idev+0x102/0x170 [ 269.206078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.206078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.206078][ T10] netlink_rcv_skb+0x130/0x360 [ 269.206078][ T10] netlink_unicast+0x449/0x710 [ 269.206078][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.206078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.206078][ T10] ___sys_sendmsg+0xee/0x170 [ 269.206078][ T10] __sys_sendmsg+0xcd/0x170 [ 269.206078][ T10] do_syscall_64+0xc6/0x1e0 [ 269.206078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.206078][ T10] [ 269.208003][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 269.208003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.208003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.208003][ T10] ipv6_find_idev+0x102/0x170 [ 269.208003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.208003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.208003][ T10] netlink_rcv_skb+0x130/0x360 [ 269.208003][ T10] netlink_unicast+0x449/0x710 [ 269.208003][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.208003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.208003][ T10] ___sys_sendmsg+0xee/0x170 [ 269.208003][ T10] __sys_sendmsg+0xcd/0x170 [ 269.208003][ T10] do_syscall_64+0xc6/0x1e0 [ 269.208003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.208003][ T10] [ 269.209703][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 269.210105][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 269.210105][ T10] netdev_get_by_index+0x5e/0x80 [ 269.210105][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.210105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.210105][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.210105][ T10] ipv6_add_addr+0x411/0x2000 [ 269.210105][ T10] inet6_addr_add+0x30e/0xa40 [ 269.210105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.210105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.210105][ T10] netlink_rcv_skb+0x130/0x360 [ 269.210105][ T10] netlink_unicast+0x449/0x710 [ 269.210105][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.210105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.210105][ T10] ___sys_sendmsg+0xee/0x170 [ 269.210105][ T10] __sys_sendmsg+0xcd/0x170 [ 269.210105][ T10] do_syscall_64+0xc6/0x1e0 [ 269.210105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.210105][ T10] [ 269.212853][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 269.212853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.212853][ T10] ipv6_find_idev+0x102/0x170 [ 269.212853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.212853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.212853][ T10] netlink_rcv_skb+0x130/0x360 [ 269.212853][ T10] netlink_unicast+0x449/0x710 [ 269.212853][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.212853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.212853][ T10] ___sys_sendmsg+0xee/0x170 [ 269.212853][ T10] __sys_sendmsg+0xcd/0x170 [ 269.212853][ T10] do_syscall_64+0xc6/0x1e0 [ 269.212853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.212853][ T10] [ 269.214412][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 269.214412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.214412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.214412][ T10] ipv6_find_idev+0x102/0x170 [ 269.214412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.214412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.214412][ T10] netlink_rcv_skb+0x130/0x360 [ 269.214412][ T10] netlink_unicast+0x449/0x710 [ 269.214412][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.214412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.214412][ T10] ___sys_sendmsg+0xee/0x170 [ 269.214412][ T10] __sys_sendmsg+0xcd/0x170 [ 269.214412][ T10] do_syscall_64+0xc6/0x1e0 [ 269.214412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.214412][ T10] [ 269.216827][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 269.217578][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 269.217578][ T10] netdev_get_by_index+0x5e/0x80 [ 269.217578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.217578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.217578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.217578][ T10] ipv6_add_addr+0x411/0x2000 [ 269.217578][ T10] inet6_addr_add+0x30e/0xa40 [ 269.217578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.217578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.217578][ T10] netlink_rcv_skb+0x130/0x360 [ 269.217578][ T10] netlink_unicast+0x449/0x710 [ 269.217578][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.217578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.217578][ T10] ___sys_sendmsg+0xee/0x170 [ 269.217578][ T10] __sys_sendmsg+0xcd/0x170 [ 269.217578][ T10] do_syscall_64+0xc6/0x1e0 [ 269.217578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.217578][ T10] [ 269.219585][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 269.219585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.219585][ T10] ipv6_find_idev+0x102/0x170 [ 269.219585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.219585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.219585][ T10] netlink_rcv_skb+0x130/0x360 [ 269.219585][ T10] netlink_unicast+0x449/0x710 [ 269.219585][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.219585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.219585][ T10] ___sys_sendmsg+0xee/0x170 [ 269.219585][ T10] __sys_sendmsg+0xcd/0x170 [ 269.219585][ T10] do_syscall_64+0xc6/0x1e0 [ 269.219585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.219585][ T10] [ 269.221149][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 269.221149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.221149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.221149][ T10] ipv6_find_idev+0x102/0x170 [ 269.221149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.221149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.221149][ T10] netlink_rcv_skb+0x130/0x360 [ 269.221149][ T10] netlink_unicast+0x449/0x710 [ 269.221149][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.221149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.221149][ T10] ___sys_sendmsg+0xee/0x170 [ 269.221149][ T10] __sys_sendmsg+0xcd/0x170 [ 269.221149][ T10] do_syscall_64+0xc6/0x1e0 [ 269.221149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.221149][ T10] [ 269.223434][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 269.223867][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 269.223867][ T10] netdev_get_by_index+0x5e/0x80 [ 269.223867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.223867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.223867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.223867][ T10] ipv6_add_addr+0x411/0x2000 [ 269.223867][ T10] inet6_addr_add+0x30e/0xa40 [ 269.223867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.223867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.223867][ T10] netlink_rcv_skb+0x130/0x360 [ 269.223867][ T10] netlink_unicast+0x449/0x710 [ 269.223867][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.223867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.223867][ T10] ___sys_sendmsg+0xee/0x170 [ 269.223867][ T10] __sys_sendmsg+0xcd/0x170 [ 269.223867][ T10] do_syscall_64+0xc6/0x1e0 [ 269.223867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.223867][ T10] [ 269.226398][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 269.226398][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.226398][ T10] ipv6_find_idev+0x102/0x170 [ 269.226398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.226398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.226398][ T10] netlink_rcv_skb+0x130/0x360 [ 269.226398][ T10] netlink_unicast+0x449/0x710 [ 269.226398][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.226398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.226398][ T10] ___sys_sendmsg+0xee/0x170 [ 269.226398][ T10] __sys_sendmsg+0xcd/0x170 [ 269.226398][ T10] do_syscall_64+0xc6/0x1e0 [ 269.226398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.226398][ T10] [ 269.228845][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 269.228845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.228845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.228845][ T10] ipv6_find_idev+0x102/0x170 [ 269.228845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.228845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.228845][ T10] netlink_rcv_skb+0x130/0x360 [ 269.228845][ T10] netlink_unicast+0x449/0x710 [ 269.228845][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.228845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.228845][ T10] ___sys_sendmsg+0xee/0x170 [ 269.228845][ T10] __sys_sendmsg+0xcd/0x170 [ 269.228845][ T10] do_syscall_64+0xc6/0x1e0 [ 269.228845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.228845][ T10] [ 269.230603][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 269.230871][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 269.230871][ T10] netdev_get_by_index+0x5e/0x80 [ 269.230871][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.230871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.230871][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.230871][ T10] ipv6_add_addr+0x411/0x2000 [ 269.230871][ T10] inet6_addr_add+0x30e/0xa40 [ 269.230871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.230871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.230871][ T10] netlink_rcv_skb+0x130/0x360 [ 269.230871][ T10] netlink_unicast+0x449/0x710 [ 269.230871][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.230871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.230871][ T10] ___sys_sendmsg+0xee/0x170 [ 269.230871][ T10] __sys_sendmsg+0xcd/0x170 [ 269.230871][ T10] do_syscall_64+0xc6/0x1e0 [ 269.230871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.230871][ T10] [ 269.232904][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 269.232904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.232904][ T10] ipv6_find_idev+0x102/0x170 [ 269.232904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.232904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.232904][ T10] netlink_rcv_skb+0x130/0x360 [ 269.232904][ T10] netlink_unicast+0x449/0x710 [ 269.232904][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.232904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.232904][ T10] ___sys_sendmsg+0xee/0x170 [ 269.232904][ T10] __sys_sendmsg+0xcd/0x170 [ 269.232904][ T10] do_syscall_64+0xc6/0x1e0 [ 269.232904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.232904][ T10] [ 269.234857][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 269.234857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.234857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.234857][ T10] ipv6_find_idev+0x102/0x170 [ 269.234857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.234857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.234857][ T10] netlink_rcv_skb+0x130/0x360 [ 269.234857][ T10] netlink_unicast+0x449/0x710 [ 269.234857][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.234857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.234857][ T10] ___sys_sendmsg+0xee/0x170 [ 269.234857][ T10] __sys_sendmsg+0xcd/0x170 [ 269.234857][ T10] do_syscall_64+0xc6/0x1e0 [ 269.234857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.234857][ T10] [ 269.237062][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 269.237381][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 269.237381][ T10] netdev_get_by_index+0x5e/0x80 [ 269.237381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.237381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.237381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.237381][ T10] ipv6_add_addr+0x411/0x2000 [ 269.237381][ T10] inet6_addr_add+0x30e/0xa40 [ 269.237381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.237381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.237381][ T10] netlink_rcv_skb+0x130/0x360 [ 269.237381][ T10] netlink_unicast+0x449/0x710 [ 269.237381][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.237381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.237381][ T10] ___sys_sendmsg+0xee/0x170 [ 269.237381][ T10] __sys_sendmsg+0xcd/0x170 [ 269.237381][ T10] do_syscall_64+0xc6/0x1e0 [ 269.237381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.237381][ T10] [ 269.240599][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 269.240599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.240599][ T10] ipv6_find_idev+0x102/0x170 [ 269.240599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.240599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.240599][ T10] netlink_rcv_skb+0x130/0x360 [ 269.240599][ T10] netlink_unicast+0x449/0x710 [ 269.240599][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.240599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.240599][ T10] ___sys_sendmsg+0xee/0x170 [ 269.240599][ T10] __sys_sendmsg+0xcd/0x170 [ 269.240599][ T10] do_syscall_64+0xc6/0x1e0 [ 269.240599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.240599][ T10] [ 269.242463][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 269.242463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.242463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.242463][ T10] ipv6_find_idev+0x102/0x170 [ 269.242463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.242463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.242463][ T10] netlink_rcv_skb+0x130/0x360 [ 269.242463][ T10] netlink_unicast+0x449/0x710 [ 269.242463][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.242463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.242463][ T10] ___sys_sendmsg+0xee/0x170 [ 269.242463][ T10] __sys_sendmsg+0xcd/0x170 [ 269.242463][ T10] do_syscall_64+0xc6/0x1e0 [ 269.242463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.242463][ T10] [ 269.244418][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 269.244681][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 269.244681][ T10] netdev_get_by_index+0x5e/0x80 [ 269.244681][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.244681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.244681][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.244681][ T10] ipv6_add_addr+0x411/0x2000 [ 269.244681][ T10] inet6_addr_add+0x30e/0xa40 [ 269.244681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.244681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.244681][ T10] netlink_rcv_skb+0x130/0x360 [ 269.244681][ T10] netlink_unicast+0x449/0x710 [ 269.244681][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.244681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.244681][ T10] ___sys_sendmsg+0xee/0x170 [ 269.244681][ T10] __sys_sendmsg+0xcd/0x170 [ 269.244681][ T10] do_syscall_64+0xc6/0x1e0 [ 269.244681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.244681][ T10] [ 269.247613][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 269.247613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.247613][ T10] ipv6_find_idev+0x102/0x170 [ 269.247613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.247613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.247613][ T10] netlink_rcv_skb+0x130/0x360 [ 269.247613][ T10] netlink_unicast+0x449/0x710 [ 269.247613][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.247613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.247613][ T10] ___sys_sendmsg+0xee/0x170 [ 269.247613][ T10] __sys_sendmsg+0xcd/0x170 [ 269.247613][ T10] do_syscall_64+0xc6/0x1e0 [ 269.247613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.247613][ T10] [ 269.250483][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 269.250483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.250483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.250483][ T10] ipv6_find_idev+0x102/0x170 [ 269.250483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.250483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.250483][ T10] netlink_rcv_skb+0x130/0x360 [ 269.250483][ T10] netlink_unicast+0x449/0x710 [ 269.250483][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.250483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.250483][ T10] ___sys_sendmsg+0xee/0x170 [ 269.250483][ T10] __sys_sendmsg+0xcd/0x170 [ 269.250483][ T10] do_syscall_64+0xc6/0x1e0 [ 269.250483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.250483][ T10] [ 269.253497][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 269.254026][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 269.254026][ T10] netdev_get_by_index+0x5e/0x80 [ 269.254026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 269.254026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 269.254026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 269.254026][ T10] ipv6_add_addr+0x411/0x2000 [ 269.254026][ T10] inet6_addr_add+0x30e/0xa40 [ 269.254026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 269.254026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.254026][ T10] netlink_rcv_skb+0x130/0x360 [ 269.254026][ T10] netlink_unicast+0x449/0x710 [ 269.254026][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.254026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.254026][ T10] ___sys_sendmsg+0xee/0x170 [ 269.254026][ T10] __sys_sendmsg+0xcd/0x170 [ 269.254026][ T10] do_syscall_64+0xc6/0x1e0 [ 269.254026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.254026][ T10] [ 269.257530][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 269.257530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 269.257530][ T10] ipv6_find_idev+0x102/0x170 [ 269.257530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.257530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.257530][ T10] netlink_rcv_skb+0x130/0x360 [ 269.257530][ T10] netlink_unicast+0x449/0x710 [ 269.257530][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.257530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.257530][ T10] ___sys_sendmsg+0xee/0x170 [ 269.257530][ T10] __sys_sendmsg+0xcd/0x170 [ 269.257530][ T10] do_syscall_64+0xc6/0x1e0 [ 269.257530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.257530][ T10] [ 269.260311][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 269.260311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 269.260311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 269.260311][ T10] ipv6_find_idev+0x102/0x170 [ 269.260311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 269.260311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 269.260311][ T10] netlink_rcv_skb+0x130/0x360 [ 269.260311][ T10] netlink_unicast+0x449/0x710 [ 269.260311][ T10] netlink_sendmsg+0x723/0xbe0 [ 269.260311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 269.260311][ T10] ___sys_sendmsg+0xee/0x170 [ 269.260311][ T10] __sys_sendmsg+0xcd/0x170 [ 269.260311][ T10] do_syscall_64+0xc6/0x1e0 [ 269.260311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 269.260311][ T10] [ 279.290940][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 279.291376][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 279.291376][ T10] netdev_get_by_index+0x5e/0x80 [ 279.291376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.291376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.291376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.291376][ T10] ipv6_add_addr+0x411/0x2000 [ 279.291376][ T10] inet6_addr_add+0x30e/0xa40 [ 279.291376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.291376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.291376][ T10] netlink_rcv_skb+0x130/0x360 [ 279.291376][ T10] netlink_unicast+0x449/0x710 [ 279.291376][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.291376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.291376][ T10] ___sys_sendmsg+0xee/0x170 [ 279.291376][ T10] __sys_sendmsg+0xcd/0x170 [ 279.291376][ T10] do_syscall_64+0xc6/0x1e0 [ 279.291376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.291376][ T10] [ 279.293621][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 279.293621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.293621][ T10] ipv6_find_idev+0x102/0x170 [ 279.293621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.293621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.293621][ T10] netlink_rcv_skb+0x130/0x360 [ 279.293621][ T10] netlink_unicast+0x449/0x710 [ 279.293621][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.293621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.293621][ T10] ___sys_sendmsg+0xee/0x170 [ 279.293621][ T10] __sys_sendmsg+0xcd/0x170 [ 279.293621][ T10] do_syscall_64+0xc6/0x1e0 [ 279.293621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.293621][ T10] [ 279.295315][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 279.295315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.295315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.295315][ T10] ipv6_find_idev+0x102/0x170 [ 279.295315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.295315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.295315][ T10] netlink_rcv_skb+0x130/0x360 [ 279.295315][ T10] netlink_unicast+0x449/0x710 [ 279.295315][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.295315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.295315][ T10] ___sys_sendmsg+0xee/0x170 [ 279.295315][ T10] __sys_sendmsg+0xcd/0x170 [ 279.295315][ T10] do_syscall_64+0xc6/0x1e0 [ 279.295315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.295315][ T10] [ 279.297190][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 279.297485][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 279.297485][ T10] netdev_get_by_index+0x5e/0x80 [ 279.297485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.297485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.297485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.297485][ T10] ipv6_add_addr+0x411/0x2000 [ 279.297485][ T10] inet6_addr_add+0x30e/0xa40 [ 279.297485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.297485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.297485][ T10] netlink_rcv_skb+0x130/0x360 [ 279.297485][ T10] netlink_unicast+0x449/0x710 [ 279.297485][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.297485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.297485][ T10] ___sys_sendmsg+0xee/0x170 [ 279.297485][ T10] __sys_sendmsg+0xcd/0x170 [ 279.297485][ T10] do_syscall_64+0xc6/0x1e0 [ 279.297485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.297485][ T10] [ 279.299691][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 279.299691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.299691][ T10] ipv6_find_idev+0x102/0x170 [ 279.299691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.299691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.299691][ T10] netlink_rcv_skb+0x130/0x360 [ 279.299691][ T10] netlink_unicast+0x449/0x710 [ 279.299691][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.299691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.299691][ T10] ___sys_sendmsg+0xee/0x170 [ 279.299691][ T10] __sys_sendmsg+0xcd/0x170 [ 279.299691][ T10] do_syscall_64+0xc6/0x1e0 [ 279.299691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.299691][ T10] [ 279.301356][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 279.301356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.301356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.301356][ T10] ipv6_find_idev+0x102/0x170 [ 279.301356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.301356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.301356][ T10] netlink_rcv_skb+0x130/0x360 [ 279.301356][ T10] netlink_unicast+0x449/0x710 [ 279.301356][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.301356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.301356][ T10] ___sys_sendmsg+0xee/0x170 [ 279.301356][ T10] __sys_sendmsg+0xcd/0x170 [ 279.301356][ T10] do_syscall_64+0xc6/0x1e0 [ 279.301356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.301356][ T10] [ 279.303182][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 279.303464][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 279.303464][ T10] netdev_get_by_index+0x5e/0x80 [ 279.303464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.303464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.303464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.303464][ T10] ipv6_add_addr+0x411/0x2000 [ 279.303464][ T10] inet6_addr_add+0x30e/0xa40 [ 279.303464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.303464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.303464][ T10] netlink_rcv_skb+0x130/0x360 [ 279.303464][ T10] netlink_unicast+0x449/0x710 [ 279.303464][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.303464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.303464][ T10] ___sys_sendmsg+0xee/0x170 [ 279.303464][ T10] __sys_sendmsg+0xcd/0x170 [ 279.303464][ T10] do_syscall_64+0xc6/0x1e0 [ 279.303464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.303464][ T10] [ 279.305701][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 279.305701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.305701][ T10] ipv6_find_idev+0x102/0x170 [ 279.305701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.305701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.305701][ T10] netlink_rcv_skb+0x130/0x360 [ 279.305701][ T10] netlink_unicast+0x449/0x710 [ 279.305701][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.305701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.305701][ T10] ___sys_sendmsg+0xee/0x170 [ 279.305701][ T10] __sys_sendmsg+0xcd/0x170 [ 279.305701][ T10] do_syscall_64+0xc6/0x1e0 [ 279.305701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.305701][ T10] [ 279.307404][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 279.307404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.307404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.307404][ T10] ipv6_find_idev+0x102/0x170 [ 279.307404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.307404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.307404][ T10] netlink_rcv_skb+0x130/0x360 [ 279.307404][ T10] netlink_unicast+0x449/0x710 [ 279.307404][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.307404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.307404][ T10] ___sys_sendmsg+0xee/0x170 [ 279.307404][ T10] __sys_sendmsg+0xcd/0x170 [ 279.307404][ T10] do_syscall_64+0xc6/0x1e0 [ 279.307404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.307404][ T10] [ 279.309340][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 279.309655][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 279.309655][ T10] netdev_get_by_index+0x5e/0x80 [ 279.309655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.309655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.309655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.309655][ T10] ipv6_add_addr+0x411/0x2000 [ 279.309655][ T10] inet6_addr_add+0x30e/0xa40 [ 279.309655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.309655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.309655][ T10] netlink_rcv_skb+0x130/0x360 [ 279.309655][ T10] netlink_unicast+0x449/0x710 [ 279.309655][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.309655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.309655][ T10] ___sys_sendmsg+0xee/0x170 [ 279.309655][ T10] __sys_sendmsg+0xcd/0x170 [ 279.309655][ T10] do_syscall_64+0xc6/0x1e0 [ 279.309655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.309655][ T10] [ 279.311858][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 279.311858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.311858][ T10] ipv6_find_idev+0x102/0x170 [ 279.311858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.311858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.311858][ T10] netlink_rcv_skb+0x130/0x360 [ 279.311858][ T10] netlink_unicast+0x449/0x710 [ 279.311858][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.311858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.311858][ T10] ___sys_sendmsg+0xee/0x170 [ 279.311858][ T10] __sys_sendmsg+0xcd/0x170 [ 279.311858][ T10] do_syscall_64+0xc6/0x1e0 [ 279.311858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.311858][ T10] [ 279.313589][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 279.313589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.313589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.313589][ T10] ipv6_find_idev+0x102/0x170 [ 279.313589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.313589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.313589][ T10] netlink_rcv_skb+0x130/0x360 [ 279.313589][ T10] netlink_unicast+0x449/0x710 [ 279.313589][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.313589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.313589][ T10] ___sys_sendmsg+0xee/0x170 [ 279.313589][ T10] __sys_sendmsg+0xcd/0x170 [ 279.313589][ T10] do_syscall_64+0xc6/0x1e0 [ 279.313589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.313589][ T10] [ 279.315704][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 279.316337][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 279.316337][ T10] netdev_get_by_index+0x5e/0x80 [ 279.316337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.316337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.316337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.316337][ T10] ipv6_add_addr+0x411/0x2000 [ 279.316337][ T10] inet6_addr_add+0x30e/0xa40 [ 279.316337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.316337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.316337][ T10] netlink_rcv_skb+0x130/0x360 [ 279.316337][ T10] netlink_unicast+0x449/0x710 [ 279.316337][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.316337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.316337][ T10] ___sys_sendmsg+0xee/0x170 [ 279.316337][ T10] __sys_sendmsg+0xcd/0x170 [ 279.316337][ T10] do_syscall_64+0xc6/0x1e0 [ 279.316337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.316337][ T10] [ 279.318422][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 279.318422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.318422][ T10] ipv6_find_idev+0x102/0x170 [ 279.318422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.318422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.318422][ T10] netlink_rcv_skb+0x130/0x360 [ 279.318422][ T10] netlink_unicast+0x449/0x710 [ 279.318422][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.318422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.318422][ T10] ___sys_sendmsg+0xee/0x170 [ 279.318422][ T10] __sys_sendmsg+0xcd/0x170 [ 279.318422][ T10] do_syscall_64+0xc6/0x1e0 [ 279.318422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.318422][ T10] [ 279.319945][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 279.319945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.319945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.319945][ T10] ipv6_find_idev+0x102/0x170 [ 279.319945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.319945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.319945][ T10] netlink_rcv_skb+0x130/0x360 [ 279.319945][ T10] netlink_unicast+0x449/0x710 [ 279.319945][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.319945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.319945][ T10] ___sys_sendmsg+0xee/0x170 [ 279.319945][ T10] __sys_sendmsg+0xcd/0x170 [ 279.319945][ T10] do_syscall_64+0xc6/0x1e0 [ 279.319945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.319945][ T10] [ 279.321675][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 279.321999][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 279.321999][ T10] netdev_get_by_index+0x5e/0x80 [ 279.321999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.321999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.321999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.321999][ T10] ipv6_add_addr+0x411/0x2000 [ 279.321999][ T10] inet6_addr_add+0x30e/0xa40 [ 279.321999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.321999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.321999][ T10] netlink_rcv_skb+0x130/0x360 [ 279.321999][ T10] netlink_unicast+0x449/0x710 [ 279.321999][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.321999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.321999][ T10] ___sys_sendmsg+0xee/0x170 [ 279.321999][ T10] __sys_sendmsg+0xcd/0x170 [ 279.321999][ T10] do_syscall_64+0xc6/0x1e0 [ 279.321999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.321999][ T10] [ 279.324151][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 279.324151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.324151][ T10] ipv6_find_idev+0x102/0x170 [ 279.324151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.324151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.324151][ T10] netlink_rcv_skb+0x130/0x360 [ 279.324151][ T10] netlink_unicast+0x449/0x710 [ 279.324151][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.324151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.324151][ T10] ___sys_sendmsg+0xee/0x170 [ 279.324151][ T10] __sys_sendmsg+0xcd/0x170 [ 279.324151][ T10] do_syscall_64+0xc6/0x1e0 [ 279.324151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.324151][ T10] [ 279.325836][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 279.325836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.325836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.325836][ T10] ipv6_find_idev+0x102/0x170 [ 279.325836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.325836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.325836][ T10] netlink_rcv_skb+0x130/0x360 [ 279.325836][ T10] netlink_unicast+0x449/0x710 [ 279.325836][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.325836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.325836][ T10] ___sys_sendmsg+0xee/0x170 [ 279.325836][ T10] __sys_sendmsg+0xcd/0x170 [ 279.325836][ T10] do_syscall_64+0xc6/0x1e0 [ 279.325836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.325836][ T10] [ 279.327867][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 279.328143][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 279.328143][ T10] netdev_get_by_index+0x5e/0x80 [ 279.328143][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.328143][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.328143][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.328143][ T10] ipv6_add_addr+0x411/0x2000 [ 279.328143][ T10] inet6_addr_add+0x30e/0xa40 [ 279.328143][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.328143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.328143][ T10] netlink_rcv_skb+0x130/0x360 [ 279.328143][ T10] netlink_unicast+0x449/0x710 [ 279.328143][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.328143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.328143][ T10] ___sys_sendmsg+0xee/0x170 [ 279.328143][ T10] __sys_sendmsg+0xcd/0x170 [ 279.328143][ T10] do_syscall_64+0xc6/0x1e0 [ 279.328143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.328143][ T10] [ 279.330362][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 279.330362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.330362][ T10] ipv6_find_idev+0x102/0x170 [ 279.330362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.330362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.330362][ T10] netlink_rcv_skb+0x130/0x360 [ 279.330362][ T10] netlink_unicast+0x449/0x710 [ 279.330362][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.330362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.330362][ T10] ___sys_sendmsg+0xee/0x170 [ 279.330362][ T10] __sys_sendmsg+0xcd/0x170 [ 279.330362][ T10] do_syscall_64+0xc6/0x1e0 [ 279.330362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.330362][ T10] [ 279.332072][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 279.332072][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.332072][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.332072][ T10] ipv6_find_idev+0x102/0x170 [ 279.332072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.332072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.332072][ T10] netlink_rcv_skb+0x130/0x360 [ 279.332072][ T10] netlink_unicast+0x449/0x710 [ 279.332072][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.332072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.332072][ T10] ___sys_sendmsg+0xee/0x170 [ 279.332072][ T10] __sys_sendmsg+0xcd/0x170 [ 279.332072][ T10] do_syscall_64+0xc6/0x1e0 [ 279.332072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.332072][ T10] [ 279.334037][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 279.334304][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 279.334304][ T10] netdev_get_by_index+0x5e/0x80 [ 279.334304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 279.334304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 279.334304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 279.334304][ T10] ipv6_add_addr+0x411/0x2000 [ 279.334304][ T10] inet6_addr_add+0x30e/0xa40 [ 279.334304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 279.334304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.334304][ T10] netlink_rcv_skb+0x130/0x360 [ 279.334304][ T10] netlink_unicast+0x449/0x710 [ 279.334304][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.334304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.334304][ T10] ___sys_sendmsg+0xee/0x170 [ 279.334304][ T10] __sys_sendmsg+0xcd/0x170 [ 279.334304][ T10] do_syscall_64+0xc6/0x1e0 [ 279.334304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.334304][ T10] [ 279.336613][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 279.336613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 279.336613][ T10] ipv6_find_idev+0x102/0x170 [ 279.336613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.336613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.336613][ T10] netlink_rcv_skb+0x130/0x360 [ 279.336613][ T10] netlink_unicast+0x449/0x710 [ 279.336613][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.336613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.336613][ T10] ___sys_sendmsg+0xee/0x170 [ 279.336613][ T10] __sys_sendmsg+0xcd/0x170 [ 279.336613][ T10] do_syscall_64+0xc6/0x1e0 [ 279.336613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.336613][ T10] [ 279.338307][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 279.338307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 279.338307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 279.338307][ T10] ipv6_find_idev+0x102/0x170 [ 279.338307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 279.338307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 279.338307][ T10] netlink_rcv_skb+0x130/0x360 [ 279.338307][ T10] netlink_unicast+0x449/0x710 [ 279.338307][ T10] netlink_sendmsg+0x723/0xbe0 [ 279.338307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 279.338307][ T10] ___sys_sendmsg+0xee/0x170 [ 279.338307][ T10] __sys_sendmsg+0xcd/0x170 [ 279.338307][ T10] do_syscall_64+0xc6/0x1e0 [ 279.338307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 279.338307][ T10] [ 289.402953][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 289.403423][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 289.403423][ T10] netdev_get_by_index+0x5e/0x80 [ 289.403423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.403423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.403423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.403423][ T10] ipv6_add_addr+0x411/0x2000 [ 289.403423][ T10] inet6_addr_add+0x30e/0xa40 [ 289.403423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.403423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.403423][ T10] netlink_rcv_skb+0x130/0x360 [ 289.403423][ T10] netlink_unicast+0x449/0x710 [ 289.403423][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.403423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.403423][ T10] ___sys_sendmsg+0xee/0x170 [ 289.403423][ T10] __sys_sendmsg+0xcd/0x170 [ 289.403423][ T10] do_syscall_64+0xc6/0x1e0 [ 289.403423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.403423][ T10] [ 289.405554][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 289.405554][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.405554][ T10] ipv6_find_idev+0x102/0x170 [ 289.405554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.405554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.405554][ T10] netlink_rcv_skb+0x130/0x360 [ 289.405554][ T10] netlink_unicast+0x449/0x710 [ 289.405554][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.405554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.405554][ T10] ___sys_sendmsg+0xee/0x170 [ 289.405554][ T10] __sys_sendmsg+0xcd/0x170 [ 289.405554][ T10] do_syscall_64+0xc6/0x1e0 [ 289.405554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.405554][ T10] [ 289.407135][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 289.407135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.407135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.407135][ T10] ipv6_find_idev+0x102/0x170 [ 289.407135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.407135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.407135][ T10] netlink_rcv_skb+0x130/0x360 [ 289.407135][ T10] netlink_unicast+0x449/0x710 [ 289.407135][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.407135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.407135][ T10] ___sys_sendmsg+0xee/0x170 [ 289.407135][ T10] __sys_sendmsg+0xcd/0x170 [ 289.407135][ T10] do_syscall_64+0xc6/0x1e0 [ 289.407135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.407135][ T10] [ 289.408905][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 289.409187][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 289.409187][ T10] netdev_get_by_index+0x5e/0x80 [ 289.409187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.409187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.409187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.409187][ T10] ipv6_add_addr+0x411/0x2000 [ 289.409187][ T10] inet6_addr_add+0x30e/0xa40 [ 289.409187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.409187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.409187][ T10] netlink_rcv_skb+0x130/0x360 [ 289.409187][ T10] netlink_unicast+0x449/0x710 [ 289.409187][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.409187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.409187][ T10] ___sys_sendmsg+0xee/0x170 [ 289.409187][ T10] __sys_sendmsg+0xcd/0x170 [ 289.409187][ T10] do_syscall_64+0xc6/0x1e0 [ 289.409187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.409187][ T10] [ 289.411219][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 289.411219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.411219][ T10] ipv6_find_idev+0x102/0x170 [ 289.411219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.411219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.411219][ T10] netlink_rcv_skb+0x130/0x360 [ 289.411219][ T10] netlink_unicast+0x449/0x710 [ 289.411219][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.411219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.411219][ T10] ___sys_sendmsg+0xee/0x170 [ 289.411219][ T10] __sys_sendmsg+0xcd/0x170 [ 289.411219][ T10] do_syscall_64+0xc6/0x1e0 [ 289.411219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.411219][ T10] [ 289.412918][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 289.412918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.412918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.412918][ T10] ipv6_find_idev+0x102/0x170 [ 289.412918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.412918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.412918][ T10] netlink_rcv_skb+0x130/0x360 [ 289.412918][ T10] netlink_unicast+0x449/0x710 [ 289.412918][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.412918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.412918][ T10] ___sys_sendmsg+0xee/0x170 [ 289.412918][ T10] __sys_sendmsg+0xcd/0x170 [ 289.412918][ T10] do_syscall_64+0xc6/0x1e0 [ 289.412918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.412918][ T10] [ 289.414769][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 289.415054][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 289.415054][ T10] netdev_get_by_index+0x5e/0x80 [ 289.415054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.415054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.415054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.415054][ T10] ipv6_add_addr+0x411/0x2000 [ 289.415054][ T10] inet6_addr_add+0x30e/0xa40 [ 289.415054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.415054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.415054][ T10] netlink_rcv_skb+0x130/0x360 [ 289.415054][ T10] netlink_unicast+0x449/0x710 [ 289.415054][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.415054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.415054][ T10] ___sys_sendmsg+0xee/0x170 [ 289.415054][ T10] __sys_sendmsg+0xcd/0x170 [ 289.415054][ T10] do_syscall_64+0xc6/0x1e0 [ 289.415054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.415054][ T10] [ 289.417170][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 289.417170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.417170][ T10] ipv6_find_idev+0x102/0x170 [ 289.417170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.417170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.417170][ T10] netlink_rcv_skb+0x130/0x360 [ 289.417170][ T10] netlink_unicast+0x449/0x710 [ 289.417170][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.417170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.417170][ T10] ___sys_sendmsg+0xee/0x170 [ 289.417170][ T10] __sys_sendmsg+0xcd/0x170 [ 289.417170][ T10] do_syscall_64+0xc6/0x1e0 [ 289.417170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.417170][ T10] [ 289.418797][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 289.418797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.418797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.418797][ T10] ipv6_find_idev+0x102/0x170 [ 289.418797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.418797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.418797][ T10] netlink_rcv_skb+0x130/0x360 [ 289.418797][ T10] netlink_unicast+0x449/0x710 [ 289.418797][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.418797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.418797][ T10] ___sys_sendmsg+0xee/0x170 [ 289.418797][ T10] __sys_sendmsg+0xcd/0x170 [ 289.418797][ T10] do_syscall_64+0xc6/0x1e0 [ 289.418797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.418797][ T10] [ 289.420654][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 289.421410][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 289.421410][ T10] netdev_get_by_index+0x5e/0x80 [ 289.421410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.421410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.421410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.421410][ T10] ipv6_add_addr+0x411/0x2000 [ 289.421410][ T10] inet6_addr_add+0x30e/0xa40 [ 289.421410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.421410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.421410][ T10] netlink_rcv_skb+0x130/0x360 [ 289.421410][ T10] netlink_unicast+0x449/0x710 [ 289.421410][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.421410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.421410][ T10] ___sys_sendmsg+0xee/0x170 [ 289.421410][ T10] __sys_sendmsg+0xcd/0x170 [ 289.421410][ T10] do_syscall_64+0xc6/0x1e0 [ 289.421410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.421410][ T10] [ 289.423636][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 289.423636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.423636][ T10] ipv6_find_idev+0x102/0x170 [ 289.423636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.423636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.423636][ T10] netlink_rcv_skb+0x130/0x360 [ 289.423636][ T10] netlink_unicast+0x449/0x710 [ 289.423636][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.423636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.423636][ T10] ___sys_sendmsg+0xee/0x170 [ 289.423636][ T10] __sys_sendmsg+0xcd/0x170 [ 289.423636][ T10] do_syscall_64+0xc6/0x1e0 [ 289.423636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.423636][ T10] [ 289.425283][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 289.425283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.425283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.425283][ T10] ipv6_find_idev+0x102/0x170 [ 289.425283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.425283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.425283][ T10] netlink_rcv_skb+0x130/0x360 [ 289.425283][ T10] netlink_unicast+0x449/0x710 [ 289.425283][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.425283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.425283][ T10] ___sys_sendmsg+0xee/0x170 [ 289.425283][ T10] __sys_sendmsg+0xcd/0x170 [ 289.425283][ T10] do_syscall_64+0xc6/0x1e0 [ 289.425283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.425283][ T10] [ 289.427204][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 289.427495][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 289.427495][ T10] netdev_get_by_index+0x5e/0x80 [ 289.427495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.427495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.427495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.427495][ T10] ipv6_add_addr+0x411/0x2000 [ 289.427495][ T10] inet6_addr_add+0x30e/0xa40 [ 289.427495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.427495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.427495][ T10] netlink_rcv_skb+0x130/0x360 [ 289.427495][ T10] netlink_unicast+0x449/0x710 [ 289.427495][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.427495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.427495][ T10] ___sys_sendmsg+0xee/0x170 [ 289.427495][ T10] __sys_sendmsg+0xcd/0x170 [ 289.427495][ T10] do_syscall_64+0xc6/0x1e0 [ 289.427495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.427495][ T10] [ 289.429629][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 289.429629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.429629][ T10] ipv6_find_idev+0x102/0x170 [ 289.429629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.429629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.429629][ T10] netlink_rcv_skb+0x130/0x360 [ 289.429629][ T10] netlink_unicast+0x449/0x710 [ 289.429629][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.429629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.429629][ T10] ___sys_sendmsg+0xee/0x170 [ 289.429629][ T10] __sys_sendmsg+0xcd/0x170 [ 289.429629][ T10] do_syscall_64+0xc6/0x1e0 [ 289.429629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.429629][ T10] [ 289.431193][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 289.431193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.431193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.431193][ T10] ipv6_find_idev+0x102/0x170 [ 289.431193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.431193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.431193][ T10] netlink_rcv_skb+0x130/0x360 [ 289.431193][ T10] netlink_unicast+0x449/0x710 [ 289.431193][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.431193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.431193][ T10] ___sys_sendmsg+0xee/0x170 [ 289.431193][ T10] __sys_sendmsg+0xcd/0x170 [ 289.431193][ T10] do_syscall_64+0xc6/0x1e0 [ 289.431193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.431193][ T10] [ 289.432989][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 289.433258][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 289.433258][ T10] netdev_get_by_index+0x5e/0x80 [ 289.433258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.433258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.433258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.433258][ T10] ipv6_add_addr+0x411/0x2000 [ 289.433258][ T10] inet6_addr_add+0x30e/0xa40 [ 289.433258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.433258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.433258][ T10] netlink_rcv_skb+0x130/0x360 [ 289.433258][ T10] netlink_unicast+0x449/0x710 [ 289.433258][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.433258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.433258][ T10] ___sys_sendmsg+0xee/0x170 [ 289.433258][ T10] __sys_sendmsg+0xcd/0x170 [ 289.433258][ T10] do_syscall_64+0xc6/0x1e0 [ 289.433258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.433258][ T10] [ 289.435513][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 289.435513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.435513][ T10] ipv6_find_idev+0x102/0x170 [ 289.435513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.435513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.435513][ T10] netlink_rcv_skb+0x130/0x360 [ 289.435513][ T10] netlink_unicast+0x449/0x710 [ 289.435513][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.435513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.435513][ T10] ___sys_sendmsg+0xee/0x170 [ 289.435513][ T10] __sys_sendmsg+0xcd/0x170 [ 289.435513][ T10] do_syscall_64+0xc6/0x1e0 [ 289.435513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.435513][ T10] [ 289.437374][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 289.437374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.437374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.437374][ T10] ipv6_find_idev+0x102/0x170 [ 289.437374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.437374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.437374][ T10] netlink_rcv_skb+0x130/0x360 [ 289.437374][ T10] netlink_unicast+0x449/0x710 [ 289.437374][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.437374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.437374][ T10] ___sys_sendmsg+0xee/0x170 [ 289.437374][ T10] __sys_sendmsg+0xcd/0x170 [ 289.437374][ T10] do_syscall_64+0xc6/0x1e0 [ 289.437374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.437374][ T10] [ 289.439436][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 289.439737][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 289.439737][ T10] netdev_get_by_index+0x5e/0x80 [ 289.439737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.439737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.439737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.439737][ T10] ipv6_add_addr+0x411/0x2000 [ 289.439737][ T10] inet6_addr_add+0x30e/0xa40 [ 289.439737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.439737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.439737][ T10] netlink_rcv_skb+0x130/0x360 [ 289.439737][ T10] netlink_unicast+0x449/0x710 [ 289.439737][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.439737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.439737][ T10] ___sys_sendmsg+0xee/0x170 [ 289.439737][ T10] __sys_sendmsg+0xcd/0x170 [ 289.439737][ T10] do_syscall_64+0xc6/0x1e0 [ 289.439737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.439737][ T10] [ 289.442102][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 289.442102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.442102][ T10] ipv6_find_idev+0x102/0x170 [ 289.442102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.442102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.442102][ T10] netlink_rcv_skb+0x130/0x360 [ 289.442102][ T10] netlink_unicast+0x449/0x710 [ 289.442102][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.442102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.442102][ T10] ___sys_sendmsg+0xee/0x170 [ 289.442102][ T10] __sys_sendmsg+0xcd/0x170 [ 289.442102][ T10] do_syscall_64+0xc6/0x1e0 [ 289.442102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.442102][ T10] [ 289.443955][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 289.443955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.443955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.443955][ T10] ipv6_find_idev+0x102/0x170 [ 289.443955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.443955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.443955][ T10] netlink_rcv_skb+0x130/0x360 [ 289.443955][ T10] netlink_unicast+0x449/0x710 [ 289.443955][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.443955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.443955][ T10] ___sys_sendmsg+0xee/0x170 [ 289.443955][ T10] __sys_sendmsg+0xcd/0x170 [ 289.443955][ T10] do_syscall_64+0xc6/0x1e0 [ 289.443955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.443955][ T10] [ 289.446011][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 289.446313][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 289.446313][ T10] netdev_get_by_index+0x5e/0x80 [ 289.446313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 289.446313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 289.446313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 289.446313][ T10] ipv6_add_addr+0x411/0x2000 [ 289.446313][ T10] inet6_addr_add+0x30e/0xa40 [ 289.446313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 289.446313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.446313][ T10] netlink_rcv_skb+0x130/0x360 [ 289.446313][ T10] netlink_unicast+0x449/0x710 [ 289.446313][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.446313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.446313][ T10] ___sys_sendmsg+0xee/0x170 [ 289.446313][ T10] __sys_sendmsg+0xcd/0x170 [ 289.446313][ T10] do_syscall_64+0xc6/0x1e0 [ 289.446313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.446313][ T10] [ 289.448789][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 289.448789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 289.448789][ T10] ipv6_find_idev+0x102/0x170 [ 289.448789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.448789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.448789][ T10] netlink_rcv_skb+0x130/0x360 [ 289.448789][ T10] netlink_unicast+0x449/0x710 [ 289.448789][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.448789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.448789][ T10] ___sys_sendmsg+0xee/0x170 [ 289.448789][ T10] __sys_sendmsg+0xcd/0x170 [ 289.448789][ T10] do_syscall_64+0xc6/0x1e0 [ 289.448789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.448789][ T10] [ 289.450610][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 289.450610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 289.450610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 289.450610][ T10] ipv6_find_idev+0x102/0x170 [ 289.450610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 289.450610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 289.450610][ T10] netlink_rcv_skb+0x130/0x360 [ 289.450610][ T10] netlink_unicast+0x449/0x710 [ 289.450610][ T10] netlink_sendmsg+0x723/0xbe0 [ 289.450610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 289.450610][ T10] ___sys_sendmsg+0xee/0x170 [ 289.450610][ T10] __sys_sendmsg+0xcd/0x170 [ 289.450610][ T10] do_syscall_64+0xc6/0x1e0 [ 289.450610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 289.450610][ T10] [ 299.690998][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 299.691447][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 299.691447][ T10] netdev_get_by_index+0x5e/0x80 [ 299.691447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.691447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.691447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.691447][ T10] ipv6_add_addr+0x411/0x2000 [ 299.691447][ T10] inet6_addr_add+0x30e/0xa40 [ 299.691447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.691447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.691447][ T10] netlink_rcv_skb+0x130/0x360 [ 299.691447][ T10] netlink_unicast+0x449/0x710 [ 299.691447][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.691447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.691447][ T10] ___sys_sendmsg+0xee/0x170 [ 299.691447][ T10] __sys_sendmsg+0xcd/0x170 [ 299.691447][ T10] do_syscall_64+0xc6/0x1e0 [ 299.691447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.691447][ T10] [ 299.693658][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 299.693658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.693658][ T10] ipv6_find_idev+0x102/0x170 [ 299.693658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.693658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.693658][ T10] netlink_rcv_skb+0x130/0x360 [ 299.693658][ T10] netlink_unicast+0x449/0x710 [ 299.693658][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.693658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.693658][ T10] ___sys_sendmsg+0xee/0x170 [ 299.693658][ T10] __sys_sendmsg+0xcd/0x170 [ 299.693658][ T10] do_syscall_64+0xc6/0x1e0 [ 299.693658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.693658][ T10] [ 299.695348][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 299.695348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.695348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.695348][ T10] ipv6_find_idev+0x102/0x170 [ 299.695348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.695348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.695348][ T10] netlink_rcv_skb+0x130/0x360 [ 299.695348][ T10] netlink_unicast+0x449/0x710 [ 299.695348][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.695348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.695348][ T10] ___sys_sendmsg+0xee/0x170 [ 299.695348][ T10] __sys_sendmsg+0xcd/0x170 [ 299.695348][ T10] do_syscall_64+0xc6/0x1e0 [ 299.695348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.695348][ T10] [ 299.697222][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 299.697516][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 299.697516][ T10] netdev_get_by_index+0x5e/0x80 [ 299.697516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.697516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.697516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.697516][ T10] ipv6_add_addr+0x411/0x2000 [ 299.697516][ T10] inet6_addr_add+0x30e/0xa40 [ 299.697516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.697516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.697516][ T10] netlink_rcv_skb+0x130/0x360 [ 299.697516][ T10] netlink_unicast+0x449/0x710 [ 299.697516][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.697516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.697516][ T10] ___sys_sendmsg+0xee/0x170 [ 299.697516][ T10] __sys_sendmsg+0xcd/0x170 [ 299.697516][ T10] do_syscall_64+0xc6/0x1e0 [ 299.697516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.697516][ T10] [ 299.699698][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 299.699698][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.699698][ T10] ipv6_find_idev+0x102/0x170 [ 299.699698][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.699698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.699698][ T10] netlink_rcv_skb+0x130/0x360 [ 299.699698][ T10] netlink_unicast+0x449/0x710 [ 299.699698][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.699698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.699698][ T10] ___sys_sendmsg+0xee/0x170 [ 299.699698][ T10] __sys_sendmsg+0xcd/0x170 [ 299.699698][ T10] do_syscall_64+0xc6/0x1e0 [ 299.699698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.699698][ T10] [ 299.701397][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 299.701397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.701397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.701397][ T10] ipv6_find_idev+0x102/0x170 [ 299.701397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.701397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.701397][ T10] netlink_rcv_skb+0x130/0x360 [ 299.701397][ T10] netlink_unicast+0x449/0x710 [ 299.701397][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.701397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.701397][ T10] ___sys_sendmsg+0xee/0x170 [ 299.701397][ T10] __sys_sendmsg+0xcd/0x170 [ 299.701397][ T10] do_syscall_64+0xc6/0x1e0 [ 299.701397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.701397][ T10] [ 299.703281][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 299.703569][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 299.703569][ T10] netdev_get_by_index+0x5e/0x80 [ 299.703569][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.703569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.703569][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.703569][ T10] ipv6_add_addr+0x411/0x2000 [ 299.703569][ T10] inet6_addr_add+0x30e/0xa40 [ 299.703569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.703569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.703569][ T10] netlink_rcv_skb+0x130/0x360 [ 299.703569][ T10] netlink_unicast+0x449/0x710 [ 299.703569][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.703569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.703569][ T10] ___sys_sendmsg+0xee/0x170 [ 299.703569][ T10] __sys_sendmsg+0xcd/0x170 [ 299.703569][ T10] do_syscall_64+0xc6/0x1e0 [ 299.703569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.703569][ T10] [ 299.706116][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 299.706116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.706116][ T10] ipv6_find_idev+0x102/0x170 [ 299.706116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.706116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.706116][ T10] netlink_rcv_skb+0x130/0x360 [ 299.706116][ T10] netlink_unicast+0x449/0x710 [ 299.706116][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.706116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.706116][ T10] ___sys_sendmsg+0xee/0x170 [ 299.706116][ T10] __sys_sendmsg+0xcd/0x170 [ 299.706116][ T10] do_syscall_64+0xc6/0x1e0 [ 299.706116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.706116][ T10] [ 299.707790][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 299.707790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.707790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.707790][ T10] ipv6_find_idev+0x102/0x170 [ 299.707790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.707790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.707790][ T10] netlink_rcv_skb+0x130/0x360 [ 299.707790][ T10] netlink_unicast+0x449/0x710 [ 299.707790][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.707790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.707790][ T10] ___sys_sendmsg+0xee/0x170 [ 299.707790][ T10] __sys_sendmsg+0xcd/0x170 [ 299.707790][ T10] do_syscall_64+0xc6/0x1e0 [ 299.707790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.707790][ T10] [ 299.709639][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 299.710360][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 299.710360][ T10] netdev_get_by_index+0x5e/0x80 [ 299.710360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.710360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.710360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.710360][ T10] ipv6_add_addr+0x411/0x2000 [ 299.710360][ T10] inet6_addr_add+0x30e/0xa40 [ 299.710360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.710360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.710360][ T10] netlink_rcv_skb+0x130/0x360 [ 299.710360][ T10] netlink_unicast+0x449/0x710 [ 299.710360][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.710360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.710360][ T10] ___sys_sendmsg+0xee/0x170 [ 299.710360][ T10] __sys_sendmsg+0xcd/0x170 [ 299.710360][ T10] do_syscall_64+0xc6/0x1e0 [ 299.710360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.710360][ T10] [ 299.712556][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 299.712556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.712556][ T10] ipv6_find_idev+0x102/0x170 [ 299.712556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.712556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.712556][ T10] netlink_rcv_skb+0x130/0x360 [ 299.712556][ T10] netlink_unicast+0x449/0x710 [ 299.712556][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.712556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.712556][ T10] ___sys_sendmsg+0xee/0x170 [ 299.712556][ T10] __sys_sendmsg+0xcd/0x170 [ 299.712556][ T10] do_syscall_64+0xc6/0x1e0 [ 299.712556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.712556][ T10] [ 299.714232][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 299.714232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.714232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.714232][ T10] ipv6_find_idev+0x102/0x170 [ 299.714232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.714232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.714232][ T10] netlink_rcv_skb+0x130/0x360 [ 299.714232][ T10] netlink_unicast+0x449/0x710 [ 299.714232][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.714232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.714232][ T10] ___sys_sendmsg+0xee/0x170 [ 299.714232][ T10] __sys_sendmsg+0xcd/0x170 [ 299.714232][ T10] do_syscall_64+0xc6/0x1e0 [ 299.714232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.714232][ T10] [ 299.716124][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 299.716406][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 299.716406][ T10] netdev_get_by_index+0x5e/0x80 [ 299.716406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.716406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.716406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.716406][ T10] ipv6_add_addr+0x411/0x2000 [ 299.716406][ T10] inet6_addr_add+0x30e/0xa40 [ 299.716406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.716406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.716406][ T10] netlink_rcv_skb+0x130/0x360 [ 299.716406][ T10] netlink_unicast+0x449/0x710 [ 299.716406][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.716406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.716406][ T10] ___sys_sendmsg+0xee/0x170 [ 299.716406][ T10] __sys_sendmsg+0xcd/0x170 [ 299.716406][ T10] do_syscall_64+0xc6/0x1e0 [ 299.716406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.716406][ T10] [ 299.718593][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 299.718593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.718593][ T10] ipv6_find_idev+0x102/0x170 [ 299.718593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.718593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.718593][ T10] netlink_rcv_skb+0x130/0x360 [ 299.718593][ T10] netlink_unicast+0x449/0x710 [ 299.718593][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.718593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.718593][ T10] ___sys_sendmsg+0xee/0x170 [ 299.718593][ T10] __sys_sendmsg+0xcd/0x170 [ 299.718593][ T10] do_syscall_64+0xc6/0x1e0 [ 299.718593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.718593][ T10] [ 299.720276][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 299.720276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.720276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.720276][ T10] ipv6_find_idev+0x102/0x170 [ 299.720276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.720276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.720276][ T10] netlink_rcv_skb+0x130/0x360 [ 299.720276][ T10] netlink_unicast+0x449/0x710 [ 299.720276][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.720276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.720276][ T10] ___sys_sendmsg+0xee/0x170 [ 299.720276][ T10] __sys_sendmsg+0xcd/0x170 [ 299.720276][ T10] do_syscall_64+0xc6/0x1e0 [ 299.720276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.720276][ T10] [ 299.722183][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 299.722461][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 299.722461][ T10] netdev_get_by_index+0x5e/0x80 [ 299.722461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.722461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.722461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.722461][ T10] ipv6_add_addr+0x411/0x2000 [ 299.722461][ T10] inet6_addr_add+0x30e/0xa40 [ 299.722461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.722461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.722461][ T10] netlink_rcv_skb+0x130/0x360 [ 299.722461][ T10] netlink_unicast+0x449/0x710 [ 299.722461][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.722461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.722461][ T10] ___sys_sendmsg+0xee/0x170 [ 299.722461][ T10] __sys_sendmsg+0xcd/0x170 [ 299.722461][ T10] do_syscall_64+0xc6/0x1e0 [ 299.722461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.722461][ T10] [ 299.724696][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 299.724696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.724696][ T10] ipv6_find_idev+0x102/0x170 [ 299.724696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.724696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.724696][ T10] netlink_rcv_skb+0x130/0x360 [ 299.724696][ T10] netlink_unicast+0x449/0x710 [ 299.724696][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.724696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.724696][ T10] ___sys_sendmsg+0xee/0x170 [ 299.724696][ T10] __sys_sendmsg+0xcd/0x170 [ 299.724696][ T10] do_syscall_64+0xc6/0x1e0 [ 299.724696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.724696][ T10] [ 299.726542][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 299.726542][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.726542][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.726542][ T10] ipv6_find_idev+0x102/0x170 [ 299.726542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.726542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.726542][ T10] netlink_rcv_skb+0x130/0x360 [ 299.726542][ T10] netlink_unicast+0x449/0x710 [ 299.726542][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.726542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.726542][ T10] ___sys_sendmsg+0xee/0x170 [ 299.726542][ T10] __sys_sendmsg+0xcd/0x170 [ 299.726542][ T10] do_syscall_64+0xc6/0x1e0 [ 299.726542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.726542][ T10] [ 299.728671][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 299.729009][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 299.729009][ T10] netdev_get_by_index+0x5e/0x80 [ 299.729009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.729009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.729009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.729009][ T10] ipv6_add_addr+0x411/0x2000 [ 299.729009][ T10] inet6_addr_add+0x30e/0xa40 [ 299.729009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.729009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.729009][ T10] netlink_rcv_skb+0x130/0x360 [ 299.729009][ T10] netlink_unicast+0x449/0x710 [ 299.729009][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.729009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.729009][ T10] ___sys_sendmsg+0xee/0x170 [ 299.729009][ T10] __sys_sendmsg+0xcd/0x170 [ 299.729009][ T10] do_syscall_64+0xc6/0x1e0 [ 299.729009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.729009][ T10] [ 299.731304][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 299.731304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.731304][ T10] ipv6_find_idev+0x102/0x170 [ 299.731304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.731304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.731304][ T10] netlink_rcv_skb+0x130/0x360 [ 299.731304][ T10] netlink_unicast+0x449/0x710 [ 299.731304][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.731304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.731304][ T10] ___sys_sendmsg+0xee/0x170 [ 299.731304][ T10] __sys_sendmsg+0xcd/0x170 [ 299.731304][ T10] do_syscall_64+0xc6/0x1e0 [ 299.731304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.731304][ T10] [ 299.733191][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 299.733191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.733191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.733191][ T10] ipv6_find_idev+0x102/0x170 [ 299.733191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.733191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.733191][ T10] netlink_rcv_skb+0x130/0x360 [ 299.733191][ T10] netlink_unicast+0x449/0x710 [ 299.733191][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.733191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.733191][ T10] ___sys_sendmsg+0xee/0x170 [ 299.733191][ T10] __sys_sendmsg+0xcd/0x170 [ 299.733191][ T10] do_syscall_64+0xc6/0x1e0 [ 299.733191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.733191][ T10] [ 299.735313][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 299.735596][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 299.735596][ T10] netdev_get_by_index+0x5e/0x80 [ 299.735596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 299.735596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 299.735596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 299.735596][ T10] ipv6_add_addr+0x411/0x2000 [ 299.735596][ T10] inet6_addr_add+0x30e/0xa40 [ 299.735596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 299.735596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.735596][ T10] netlink_rcv_skb+0x130/0x360 [ 299.735596][ T10] netlink_unicast+0x449/0x710 [ 299.735596][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.735596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.735596][ T10] ___sys_sendmsg+0xee/0x170 [ 299.735596][ T10] __sys_sendmsg+0xcd/0x170 [ 299.735596][ T10] do_syscall_64+0xc6/0x1e0 [ 299.735596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.735596][ T10] [ 299.737995][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 299.737995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 299.737995][ T10] ipv6_find_idev+0x102/0x170 [ 299.737995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.737995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.737995][ T10] netlink_rcv_skb+0x130/0x360 [ 299.737995][ T10] netlink_unicast+0x449/0x710 [ 299.737995][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.737995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.737995][ T10] ___sys_sendmsg+0xee/0x170 [ 299.737995][ T10] __sys_sendmsg+0xcd/0x170 [ 299.737995][ T10] do_syscall_64+0xc6/0x1e0 [ 299.737995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.737995][ T10] [ 299.739979][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 299.739979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 299.739979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 299.739979][ T10] ipv6_find_idev+0x102/0x170 [ 299.739979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 299.739979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 299.739979][ T10] netlink_rcv_skb+0x130/0x360 [ 299.739979][ T10] netlink_unicast+0x449/0x710 [ 299.739979][ T10] netlink_sendmsg+0x723/0xbe0 [ 299.739979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 299.739979][ T10] ___sys_sendmsg+0xee/0x170 [ 299.739979][ T10] __sys_sendmsg+0xcd/0x170 [ 299.739979][ T10] do_syscall_64+0xc6/0x1e0 [ 299.739979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.739979][ T10] [ 309.978941][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 309.979583][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 309.979583][ T10] netdev_get_by_index+0x5e/0x80 [ 309.979583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 309.979583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 309.979583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 309.979583][ T10] ipv6_add_addr+0x411/0x2000 [ 309.979583][ T10] inet6_addr_add+0x30e/0xa40 [ 309.979583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 309.979583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.979583][ T10] netlink_rcv_skb+0x130/0x360 [ 309.979583][ T10] netlink_unicast+0x449/0x710 [ 309.979583][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.979583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.979583][ T10] ___sys_sendmsg+0xee/0x170 [ 309.979583][ T10] __sys_sendmsg+0xcd/0x170 [ 309.979583][ T10] do_syscall_64+0xc6/0x1e0 [ 309.979583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.979583][ T10] [ 309.982913][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 309.982913][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 309.982913][ T10] ipv6_find_idev+0x102/0x170 [ 309.982913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 309.982913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.982913][ T10] netlink_rcv_skb+0x130/0x360 [ 309.982913][ T10] netlink_unicast+0x449/0x710 [ 309.982913][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.982913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.982913][ T10] ___sys_sendmsg+0xee/0x170 [ 309.982913][ T10] __sys_sendmsg+0xcd/0x170 [ 309.982913][ T10] do_syscall_64+0xc6/0x1e0 [ 309.982913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.982913][ T10] [ 309.984478][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 309.984478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 309.984478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 309.984478][ T10] ipv6_find_idev+0x102/0x170 [ 309.984478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 309.984478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.984478][ T10] netlink_rcv_skb+0x130/0x360 [ 309.984478][ T10] netlink_unicast+0x449/0x710 [ 309.984478][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.984478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.984478][ T10] ___sys_sendmsg+0xee/0x170 [ 309.984478][ T10] __sys_sendmsg+0xcd/0x170 [ 309.984478][ T10] do_syscall_64+0xc6/0x1e0 [ 309.984478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.984478][ T10] [ 309.986212][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 309.986485][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 309.986485][ T10] netdev_get_by_index+0x5e/0x80 [ 309.986485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 309.986485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 309.986485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 309.986485][ T10] ipv6_add_addr+0x411/0x2000 [ 309.986485][ T10] inet6_addr_add+0x30e/0xa40 [ 309.986485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 309.986485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.986485][ T10] netlink_rcv_skb+0x130/0x360 [ 309.986485][ T10] netlink_unicast+0x449/0x710 [ 309.986485][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.986485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.986485][ T10] ___sys_sendmsg+0xee/0x170 [ 309.986485][ T10] __sys_sendmsg+0xcd/0x170 [ 309.986485][ T10] do_syscall_64+0xc6/0x1e0 [ 309.986485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.986485][ T10] [ 309.988491][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 309.988491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 309.988491][ T10] ipv6_find_idev+0x102/0x170 [ 309.988491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 309.988491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.988491][ T10] netlink_rcv_skb+0x130/0x360 [ 309.988491][ T10] netlink_unicast+0x449/0x710 [ 309.988491][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.988491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.988491][ T10] ___sys_sendmsg+0xee/0x170 [ 309.988491][ T10] __sys_sendmsg+0xcd/0x170 [ 309.988491][ T10] do_syscall_64+0xc6/0x1e0 [ 309.988491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.988491][ T10] [ 309.990061][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 309.990061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 309.990061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 309.990061][ T10] ipv6_find_idev+0x102/0x170 [ 309.990061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 309.990061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.990061][ T10] netlink_rcv_skb+0x130/0x360 [ 309.990061][ T10] netlink_unicast+0x449/0x710 [ 309.990061][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.990061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.990061][ T10] ___sys_sendmsg+0xee/0x170 [ 309.990061][ T10] __sys_sendmsg+0xcd/0x170 [ 309.990061][ T10] do_syscall_64+0xc6/0x1e0 [ 309.990061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.990061][ T10] [ 309.991849][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 309.992150][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 309.992150][ T10] netdev_get_by_index+0x5e/0x80 [ 309.992150][ T10] fib6_nh_init+0x3d8/0x15b0 [ 309.992150][ T10] ip6_route_info_create+0xf18/0x17d0 [ 309.992150][ T10] addrconf_f6i_alloc+0x244/0x410 [ 309.992150][ T10] ipv6_add_addr+0x411/0x2000 [ 309.992150][ T10] inet6_addr_add+0x30e/0xa40 [ 309.992150][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 309.992150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.992150][ T10] netlink_rcv_skb+0x130/0x360 [ 309.992150][ T10] netlink_unicast+0x449/0x710 [ 309.992150][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.992150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.992150][ T10] ___sys_sendmsg+0xee/0x170 [ 309.992150][ T10] __sys_sendmsg+0xcd/0x170 [ 309.992150][ T10] do_syscall_64+0xc6/0x1e0 [ 309.992150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.992150][ T10] [ 309.994185][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 309.994185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 309.994185][ T10] ipv6_find_idev+0x102/0x170 [ 309.994185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 309.994185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.994185][ T10] netlink_rcv_skb+0x130/0x360 [ 309.994185][ T10] netlink_unicast+0x449/0x710 [ 309.994185][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.994185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.994185][ T10] ___sys_sendmsg+0xee/0x170 [ 309.994185][ T10] __sys_sendmsg+0xcd/0x170 [ 309.994185][ T10] do_syscall_64+0xc6/0x1e0 [ 309.994185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.994185][ T10] [ 309.995733][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 309.995733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 309.995733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 309.995733][ T10] ipv6_find_idev+0x102/0x170 [ 309.995733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 309.995733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.995733][ T10] netlink_rcv_skb+0x130/0x360 [ 309.995733][ T10] netlink_unicast+0x449/0x710 [ 309.995733][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.995733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.995733][ T10] ___sys_sendmsg+0xee/0x170 [ 309.995733][ T10] __sys_sendmsg+0xcd/0x170 [ 309.995733][ T10] do_syscall_64+0xc6/0x1e0 [ 309.995733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.995733][ T10] [ 309.997432][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 309.997705][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 309.997705][ T10] netdev_get_by_index+0x5e/0x80 [ 309.997705][ T10] fib6_nh_init+0x3d8/0x15b0 [ 309.997705][ T10] ip6_route_info_create+0xf18/0x17d0 [ 309.997705][ T10] addrconf_f6i_alloc+0x244/0x410 [ 309.997705][ T10] ipv6_add_addr+0x411/0x2000 [ 309.997705][ T10] inet6_addr_add+0x30e/0xa40 [ 309.997705][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 309.997705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.997705][ T10] netlink_rcv_skb+0x130/0x360 [ 309.997705][ T10] netlink_unicast+0x449/0x710 [ 309.997705][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.997705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.997705][ T10] ___sys_sendmsg+0xee/0x170 [ 309.997705][ T10] __sys_sendmsg+0xcd/0x170 [ 309.997705][ T10] do_syscall_64+0xc6/0x1e0 [ 309.997705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.997705][ T10] [ 309.999713][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 309.999713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 309.999713][ T10] ipv6_find_idev+0x102/0x170 [ 309.999713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 309.999713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 309.999713][ T10] netlink_rcv_skb+0x130/0x360 [ 309.999713][ T10] netlink_unicast+0x449/0x710 [ 309.999713][ T10] netlink_sendmsg+0x723/0xbe0 [ 309.999713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 309.999713][ T10] ___sys_sendmsg+0xee/0x170 [ 309.999713][ T10] __sys_sendmsg+0xcd/0x170 [ 309.999713][ T10] do_syscall_64+0xc6/0x1e0 [ 309.999713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 309.999713][ T10] [ 310.001279][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 310.001279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 310.001279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 310.001279][ T10] ipv6_find_idev+0x102/0x170 [ 310.001279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.001279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.001279][ T10] netlink_rcv_skb+0x130/0x360 [ 310.001279][ T10] netlink_unicast+0x449/0x710 [ 310.001279][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.001279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.001279][ T10] ___sys_sendmsg+0xee/0x170 [ 310.001279][ T10] __sys_sendmsg+0xcd/0x170 [ 310.001279][ T10] do_syscall_64+0xc6/0x1e0 [ 310.001279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.001279][ T10] [ 310.003397][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 310.003711][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 310.003711][ T10] netdev_get_by_index+0x5e/0x80 [ 310.003711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 310.003711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 310.003711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 310.003711][ T10] ipv6_add_addr+0x411/0x2000 [ 310.003711][ T10] inet6_addr_add+0x30e/0xa40 [ 310.003711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 310.003711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.003711][ T10] netlink_rcv_skb+0x130/0x360 [ 310.003711][ T10] netlink_unicast+0x449/0x710 [ 310.003711][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.003711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.003711][ T10] ___sys_sendmsg+0xee/0x170 [ 310.003711][ T10] __sys_sendmsg+0xcd/0x170 [ 310.003711][ T10] do_syscall_64+0xc6/0x1e0 [ 310.003711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.003711][ T10] [ 310.006516][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 310.006516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 310.006516][ T10] ipv6_find_idev+0x102/0x170 [ 310.006516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.006516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.006516][ T10] netlink_rcv_skb+0x130/0x360 [ 310.006516][ T10] netlink_unicast+0x449/0x710 [ 310.006516][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.006516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.006516][ T10] ___sys_sendmsg+0xee/0x170 [ 310.006516][ T10] __sys_sendmsg+0xcd/0x170 [ 310.006516][ T10] do_syscall_64+0xc6/0x1e0 [ 310.006516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.006516][ T10] [ 310.008889][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 310.008889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 310.008889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 310.008889][ T10] ipv6_find_idev+0x102/0x170 [ 310.008889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.008889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.008889][ T10] netlink_rcv_skb+0x130/0x360 [ 310.008889][ T10] netlink_unicast+0x449/0x710 [ 310.008889][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.008889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.008889][ T10] ___sys_sendmsg+0xee/0x170 [ 310.008889][ T10] __sys_sendmsg+0xcd/0x170 [ 310.008889][ T10] do_syscall_64+0xc6/0x1e0 [ 310.008889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.008889][ T10] [ 310.011595][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 310.012127][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 310.012127][ T10] netdev_get_by_index+0x5e/0x80 [ 310.012127][ T10] fib6_nh_init+0x3d8/0x15b0 [ 310.012127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 310.012127][ T10] addrconf_f6i_alloc+0x244/0x410 [ 310.012127][ T10] ipv6_add_addr+0x411/0x2000 [ 310.012127][ T10] inet6_addr_add+0x30e/0xa40 [ 310.012127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 310.012127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.012127][ T10] netlink_rcv_skb+0x130/0x360 [ 310.012127][ T10] netlink_unicast+0x449/0x710 [ 310.012127][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.012127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.012127][ T10] ___sys_sendmsg+0xee/0x170 [ 310.012127][ T10] __sys_sendmsg+0xcd/0x170 [ 310.012127][ T10] do_syscall_64+0xc6/0x1e0 [ 310.012127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.012127][ T10] [ 310.015067][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 310.015067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 310.015067][ T10] ipv6_find_idev+0x102/0x170 [ 310.015067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.015067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.015067][ T10] netlink_rcv_skb+0x130/0x360 [ 310.015067][ T10] netlink_unicast+0x449/0x710 [ 310.015067][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.015067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.015067][ T10] ___sys_sendmsg+0xee/0x170 [ 310.015067][ T10] __sys_sendmsg+0xcd/0x170 [ 310.015067][ T10] do_syscall_64+0xc6/0x1e0 [ 310.015067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.015067][ T10] [ 310.017629][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 310.017629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 310.017629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 310.017629][ T10] ipv6_find_idev+0x102/0x170 [ 310.017629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.017629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.017629][ T10] netlink_rcv_skb+0x130/0x360 [ 310.017629][ T10] netlink_unicast+0x449/0x710 [ 310.017629][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.017629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.017629][ T10] ___sys_sendmsg+0xee/0x170 [ 310.017629][ T10] __sys_sendmsg+0xcd/0x170 [ 310.017629][ T10] do_syscall_64+0xc6/0x1e0 [ 310.017629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.017629][ T10] [ 310.020660][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 310.021168][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 310.021168][ T10] netdev_get_by_index+0x5e/0x80 [ 310.021168][ T10] fib6_nh_init+0x3d8/0x15b0 [ 310.021168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 310.021168][ T10] addrconf_f6i_alloc+0x244/0x410 [ 310.021168][ T10] ipv6_add_addr+0x411/0x2000 [ 310.021168][ T10] inet6_addr_add+0x30e/0xa40 [ 310.021168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 310.021168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.021168][ T10] netlink_rcv_skb+0x130/0x360 [ 310.021168][ T10] netlink_unicast+0x449/0x710 [ 310.021168][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.021168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.021168][ T10] ___sys_sendmsg+0xee/0x170 [ 310.021168][ T10] __sys_sendmsg+0xcd/0x170 [ 310.021168][ T10] do_syscall_64+0xc6/0x1e0 [ 310.021168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.021168][ T10] [ 310.024987][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 310.024987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 310.024987][ T10] ipv6_find_idev+0x102/0x170 [ 310.024987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.024987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.024987][ T10] netlink_rcv_skb+0x130/0x360 [ 310.024987][ T10] netlink_unicast+0x449/0x710 [ 310.024987][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.024987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.024987][ T10] ___sys_sendmsg+0xee/0x170 [ 310.024987][ T10] __sys_sendmsg+0xcd/0x170 [ 310.024987][ T10] do_syscall_64+0xc6/0x1e0 [ 310.024987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.024987][ T10] [ 310.027321][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 310.027321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 310.027321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 310.027321][ T10] ipv6_find_idev+0x102/0x170 [ 310.027321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.027321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.027321][ T10] netlink_rcv_skb+0x130/0x360 [ 310.027321][ T10] netlink_unicast+0x449/0x710 [ 310.027321][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.027321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.027321][ T10] ___sys_sendmsg+0xee/0x170 [ 310.027321][ T10] __sys_sendmsg+0xcd/0x170 [ 310.027321][ T10] do_syscall_64+0xc6/0x1e0 [ 310.027321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.027321][ T10] [ 310.029268][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 310.029584][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 310.029584][ T10] netdev_get_by_index+0x5e/0x80 [ 310.029584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 310.029584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 310.029584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 310.029584][ T10] ipv6_add_addr+0x411/0x2000 [ 310.029584][ T10] inet6_addr_add+0x30e/0xa40 [ 310.029584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 310.029584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.029584][ T10] netlink_rcv_skb+0x130/0x360 [ 310.029584][ T10] netlink_unicast+0x449/0x710 [ 310.029584][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.029584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.029584][ T10] ___sys_sendmsg+0xee/0x170 [ 310.029584][ T10] __sys_sendmsg+0xcd/0x170 [ 310.029584][ T10] do_syscall_64+0xc6/0x1e0 [ 310.029584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.029584][ T10] [ 310.031766][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 310.031766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 310.031766][ T10] ipv6_find_idev+0x102/0x170 [ 310.031766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.031766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.031766][ T10] netlink_rcv_skb+0x130/0x360 [ 310.031766][ T10] netlink_unicast+0x449/0x710 [ 310.031766][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.031766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.031766][ T10] ___sys_sendmsg+0xee/0x170 [ 310.031766][ T10] __sys_sendmsg+0xcd/0x170 [ 310.031766][ T10] do_syscall_64+0xc6/0x1e0 [ 310.031766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.031766][ T10] [ 310.034214][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 310.034214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 310.034214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 310.034214][ T10] ipv6_find_idev+0x102/0x170 [ 310.034214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 310.034214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 310.034214][ T10] netlink_rcv_skb+0x130/0x360 [ 310.034214][ T10] netlink_unicast+0x449/0x710 [ 310.034214][ T10] netlink_sendmsg+0x723/0xbe0 [ 310.034214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 310.034214][ T10] ___sys_sendmsg+0xee/0x170 [ 310.034214][ T10] __sys_sendmsg+0xcd/0x170 [ 310.034214][ T10] do_syscall_64+0xc6/0x1e0 [ 310.034214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 310.034214][ T10] [ 320.274929][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 320.275383][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 320.275383][ T10] netdev_get_by_index+0x5e/0x80 [ 320.275383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.275383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.275383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.275383][ T10] ipv6_add_addr+0x411/0x2000 [ 320.275383][ T10] inet6_addr_add+0x30e/0xa40 [ 320.275383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.275383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.275383][ T10] netlink_rcv_skb+0x130/0x360 [ 320.275383][ T10] netlink_unicast+0x449/0x710 [ 320.275383][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.275383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.275383][ T10] ___sys_sendmsg+0xee/0x170 [ 320.275383][ T10] __sys_sendmsg+0xcd/0x170 [ 320.275383][ T10] do_syscall_64+0xc6/0x1e0 [ 320.275383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.275383][ T10] [ 320.277552][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 320.277552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.277552][ T10] ipv6_find_idev+0x102/0x170 [ 320.277552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.277552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.277552][ T10] netlink_rcv_skb+0x130/0x360 [ 320.277552][ T10] netlink_unicast+0x449/0x710 [ 320.277552][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.277552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.277552][ T10] ___sys_sendmsg+0xee/0x170 [ 320.277552][ T10] __sys_sendmsg+0xcd/0x170 [ 320.277552][ T10] do_syscall_64+0xc6/0x1e0 [ 320.277552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.277552][ T10] [ 320.279162][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 320.279162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.279162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.279162][ T10] ipv6_find_idev+0x102/0x170 [ 320.279162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.279162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.279162][ T10] netlink_rcv_skb+0x130/0x360 [ 320.279162][ T10] netlink_unicast+0x449/0x710 [ 320.279162][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.279162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.279162][ T10] ___sys_sendmsg+0xee/0x170 [ 320.279162][ T10] __sys_sendmsg+0xcd/0x170 [ 320.279162][ T10] do_syscall_64+0xc6/0x1e0 [ 320.279162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.279162][ T10] [ 320.280966][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 320.281260][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 320.281260][ T10] netdev_get_by_index+0x5e/0x80 [ 320.281260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.281260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.281260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.281260][ T10] ipv6_add_addr+0x411/0x2000 [ 320.281260][ T10] inet6_addr_add+0x30e/0xa40 [ 320.281260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.281260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.281260][ T10] netlink_rcv_skb+0x130/0x360 [ 320.281260][ T10] netlink_unicast+0x449/0x710 [ 320.281260][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.281260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.281260][ T10] ___sys_sendmsg+0xee/0x170 [ 320.281260][ T10] __sys_sendmsg+0xcd/0x170 [ 320.281260][ T10] do_syscall_64+0xc6/0x1e0 [ 320.281260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.281260][ T10] [ 320.283330][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 320.283330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.283330][ T10] ipv6_find_idev+0x102/0x170 [ 320.283330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.283330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.283330][ T10] netlink_rcv_skb+0x130/0x360 [ 320.283330][ T10] netlink_unicast+0x449/0x710 [ 320.283330][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.283330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.283330][ T10] ___sys_sendmsg+0xee/0x170 [ 320.283330][ T10] __sys_sendmsg+0xcd/0x170 [ 320.283330][ T10] do_syscall_64+0xc6/0x1e0 [ 320.283330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.283330][ T10] [ 320.284940][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 320.284940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.284940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.284940][ T10] ipv6_find_idev+0x102/0x170 [ 320.284940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.284940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.284940][ T10] netlink_rcv_skb+0x130/0x360 [ 320.284940][ T10] netlink_unicast+0x449/0x710 [ 320.284940][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.284940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.284940][ T10] ___sys_sendmsg+0xee/0x170 [ 320.284940][ T10] __sys_sendmsg+0xcd/0x170 [ 320.284940][ T10] do_syscall_64+0xc6/0x1e0 [ 320.284940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.284940][ T10] [ 320.286749][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 320.287035][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 320.287035][ T10] netdev_get_by_index+0x5e/0x80 [ 320.287035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.287035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.287035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.287035][ T10] ipv6_add_addr+0x411/0x2000 [ 320.287035][ T10] inet6_addr_add+0x30e/0xa40 [ 320.287035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.287035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.287035][ T10] netlink_rcv_skb+0x130/0x360 [ 320.287035][ T10] netlink_unicast+0x449/0x710 [ 320.287035][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.287035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.287035][ T10] ___sys_sendmsg+0xee/0x170 [ 320.287035][ T10] __sys_sendmsg+0xcd/0x170 [ 320.287035][ T10] do_syscall_64+0xc6/0x1e0 [ 320.287035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.287035][ T10] [ 320.289125][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 320.289125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.289125][ T10] ipv6_find_idev+0x102/0x170 [ 320.289125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.289125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.289125][ T10] netlink_rcv_skb+0x130/0x360 [ 320.289125][ T10] netlink_unicast+0x449/0x710 [ 320.289125][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.289125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.289125][ T10] ___sys_sendmsg+0xee/0x170 [ 320.289125][ T10] __sys_sendmsg+0xcd/0x170 [ 320.289125][ T10] do_syscall_64+0xc6/0x1e0 [ 320.289125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.289125][ T10] [ 320.290709][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 320.290709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.290709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.290709][ T10] ipv6_find_idev+0x102/0x170 [ 320.290709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.290709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.290709][ T10] netlink_rcv_skb+0x130/0x360 [ 320.290709][ T10] netlink_unicast+0x449/0x710 [ 320.290709][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.290709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.290709][ T10] ___sys_sendmsg+0xee/0x170 [ 320.290709][ T10] __sys_sendmsg+0xcd/0x170 [ 320.290709][ T10] do_syscall_64+0xc6/0x1e0 [ 320.290709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.290709][ T10] [ 320.292439][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 320.292709][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 320.292709][ T10] netdev_get_by_index+0x5e/0x80 [ 320.292709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.292709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.292709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.292709][ T10] ipv6_add_addr+0x411/0x2000 [ 320.292709][ T10] inet6_addr_add+0x30e/0xa40 [ 320.292709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.292709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.292709][ T10] netlink_rcv_skb+0x130/0x360 [ 320.292709][ T10] netlink_unicast+0x449/0x710 [ 320.292709][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.292709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.292709][ T10] ___sys_sendmsg+0xee/0x170 [ 320.292709][ T10] __sys_sendmsg+0xcd/0x170 [ 320.292709][ T10] do_syscall_64+0xc6/0x1e0 [ 320.292709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.292709][ T10] [ 320.294763][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 320.294763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.294763][ T10] ipv6_find_idev+0x102/0x170 [ 320.294763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.294763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.294763][ T10] netlink_rcv_skb+0x130/0x360 [ 320.294763][ T10] netlink_unicast+0x449/0x710 [ 320.294763][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.294763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.294763][ T10] ___sys_sendmsg+0xee/0x170 [ 320.294763][ T10] __sys_sendmsg+0xcd/0x170 [ 320.294763][ T10] do_syscall_64+0xc6/0x1e0 [ 320.294763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.294763][ T10] [ 320.296340][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 320.296340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.296340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.296340][ T10] ipv6_find_idev+0x102/0x170 [ 320.296340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.296340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.296340][ T10] netlink_rcv_skb+0x130/0x360 [ 320.296340][ T10] netlink_unicast+0x449/0x710 [ 320.296340][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.296340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.296340][ T10] ___sys_sendmsg+0xee/0x170 [ 320.296340][ T10] __sys_sendmsg+0xcd/0x170 [ 320.296340][ T10] do_syscall_64+0xc6/0x1e0 [ 320.296340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.296340][ T10] [ 320.298484][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 320.299107][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 320.299107][ T10] netdev_get_by_index+0x5e/0x80 [ 320.299107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.299107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.299107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.299107][ T10] ipv6_add_addr+0x411/0x2000 [ 320.299107][ T10] inet6_addr_add+0x30e/0xa40 [ 320.299107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.299107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.299107][ T10] netlink_rcv_skb+0x130/0x360 [ 320.299107][ T10] netlink_unicast+0x449/0x710 [ 320.299107][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.299107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.299107][ T10] ___sys_sendmsg+0xee/0x170 [ 320.299107][ T10] __sys_sendmsg+0xcd/0x170 [ 320.299107][ T10] do_syscall_64+0xc6/0x1e0 [ 320.299107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.299107][ T10] [ 320.301135][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 320.301135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.301135][ T10] ipv6_find_idev+0x102/0x170 [ 320.301135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.301135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.301135][ T10] netlink_rcv_skb+0x130/0x360 [ 320.301135][ T10] netlink_unicast+0x449/0x710 [ 320.301135][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.301135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.301135][ T10] ___sys_sendmsg+0xee/0x170 [ 320.301135][ T10] __sys_sendmsg+0xcd/0x170 [ 320.301135][ T10] do_syscall_64+0xc6/0x1e0 [ 320.301135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.301135][ T10] [ 320.302724][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 320.302724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.302724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.302724][ T10] ipv6_find_idev+0x102/0x170 [ 320.302724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.302724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.302724][ T10] netlink_rcv_skb+0x130/0x360 [ 320.302724][ T10] netlink_unicast+0x449/0x710 [ 320.302724][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.302724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.302724][ T10] ___sys_sendmsg+0xee/0x170 [ 320.302724][ T10] __sys_sendmsg+0xcd/0x170 [ 320.302724][ T10] do_syscall_64+0xc6/0x1e0 [ 320.302724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.302724][ T10] [ 320.304456][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 320.304734][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 320.304734][ T10] netdev_get_by_index+0x5e/0x80 [ 320.304734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.304734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.304734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.304734][ T10] ipv6_add_addr+0x411/0x2000 [ 320.304734][ T10] inet6_addr_add+0x30e/0xa40 [ 320.304734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.304734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.304734][ T10] netlink_rcv_skb+0x130/0x360 [ 320.304734][ T10] netlink_unicast+0x449/0x710 [ 320.304734][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.304734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.304734][ T10] ___sys_sendmsg+0xee/0x170 [ 320.304734][ T10] __sys_sendmsg+0xcd/0x170 [ 320.304734][ T10] do_syscall_64+0xc6/0x1e0 [ 320.304734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.304734][ T10] [ 320.306762][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 320.306762][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.306762][ T10] ipv6_find_idev+0x102/0x170 [ 320.306762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.306762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.306762][ T10] netlink_rcv_skb+0x130/0x360 [ 320.306762][ T10] netlink_unicast+0x449/0x710 [ 320.306762][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.306762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.306762][ T10] ___sys_sendmsg+0xee/0x170 [ 320.306762][ T10] __sys_sendmsg+0xcd/0x170 [ 320.306762][ T10] do_syscall_64+0xc6/0x1e0 [ 320.306762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.306762][ T10] [ 320.308365][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 320.308365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.308365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.308365][ T10] ipv6_find_idev+0x102/0x170 [ 320.308365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.308365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.308365][ T10] netlink_rcv_skb+0x130/0x360 [ 320.308365][ T10] netlink_unicast+0x449/0x710 [ 320.308365][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.308365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.308365][ T10] ___sys_sendmsg+0xee/0x170 [ 320.308365][ T10] __sys_sendmsg+0xcd/0x170 [ 320.308365][ T10] do_syscall_64+0xc6/0x1e0 [ 320.308365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.308365][ T10] [ 320.310353][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 320.310668][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 320.310668][ T10] netdev_get_by_index+0x5e/0x80 [ 320.310668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.310668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.310668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.310668][ T10] ipv6_add_addr+0x411/0x2000 [ 320.310668][ T10] inet6_addr_add+0x30e/0xa40 [ 320.310668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.310668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.310668][ T10] netlink_rcv_skb+0x130/0x360 [ 320.310668][ T10] netlink_unicast+0x449/0x710 [ 320.310668][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.310668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.310668][ T10] ___sys_sendmsg+0xee/0x170 [ 320.310668][ T10] __sys_sendmsg+0xcd/0x170 [ 320.310668][ T10] do_syscall_64+0xc6/0x1e0 [ 320.310668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.310668][ T10] [ 320.312869][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 320.312869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.312869][ T10] ipv6_find_idev+0x102/0x170 [ 320.312869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.312869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.312869][ T10] netlink_rcv_skb+0x130/0x360 [ 320.312869][ T10] netlink_unicast+0x449/0x710 [ 320.312869][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.312869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.312869][ T10] ___sys_sendmsg+0xee/0x170 [ 320.312869][ T10] __sys_sendmsg+0xcd/0x170 [ 320.312869][ T10] do_syscall_64+0xc6/0x1e0 [ 320.312869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.312869][ T10] [ 320.314591][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 320.314591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.314591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.314591][ T10] ipv6_find_idev+0x102/0x170 [ 320.314591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.314591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.314591][ T10] netlink_rcv_skb+0x130/0x360 [ 320.314591][ T10] netlink_unicast+0x449/0x710 [ 320.314591][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.314591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.314591][ T10] ___sys_sendmsg+0xee/0x170 [ 320.314591][ T10] __sys_sendmsg+0xcd/0x170 [ 320.314591][ T10] do_syscall_64+0xc6/0x1e0 [ 320.314591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.314591][ T10] [ 320.316618][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 320.316937][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 320.316937][ T10] netdev_get_by_index+0x5e/0x80 [ 320.316937][ T10] fib6_nh_init+0x3d8/0x15b0 [ 320.316937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 320.316937][ T10] addrconf_f6i_alloc+0x244/0x410 [ 320.316937][ T10] ipv6_add_addr+0x411/0x2000 [ 320.316937][ T10] inet6_addr_add+0x30e/0xa40 [ 320.316937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 320.316937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.316937][ T10] netlink_rcv_skb+0x130/0x360 [ 320.316937][ T10] netlink_unicast+0x449/0x710 [ 320.316937][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.316937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.316937][ T10] ___sys_sendmsg+0xee/0x170 [ 320.316937][ T10] __sys_sendmsg+0xcd/0x170 [ 320.316937][ T10] do_syscall_64+0xc6/0x1e0 [ 320.316937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.316937][ T10] [ 320.319095][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 320.319095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 320.319095][ T10] ipv6_find_idev+0x102/0x170 [ 320.319095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.319095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.319095][ T10] netlink_rcv_skb+0x130/0x360 [ 320.319095][ T10] netlink_unicast+0x449/0x710 [ 320.319095][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.319095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.319095][ T10] ___sys_sendmsg+0xee/0x170 [ 320.319095][ T10] __sys_sendmsg+0xcd/0x170 [ 320.319095][ T10] do_syscall_64+0xc6/0x1e0 [ 320.319095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.319095][ T10] [ 320.320804][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 320.320804][ T10] neigh_parms_alloc+0x1e5/0x510 [ 320.320804][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 320.320804][ T10] ipv6_find_idev+0x102/0x170 [ 320.320804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 320.320804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 320.320804][ T10] netlink_rcv_skb+0x130/0x360 [ 320.320804][ T10] netlink_unicast+0x449/0x710 [ 320.320804][ T10] netlink_sendmsg+0x723/0xbe0 [ 320.320804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 320.320804][ T10] ___sys_sendmsg+0xee/0x170 [ 320.320804][ T10] __sys_sendmsg+0xcd/0x170 [ 320.320804][ T10] do_syscall_64+0xc6/0x1e0 [ 320.320804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 320.320804][ T10] [ 330.362908][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 330.363318][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 330.363318][ T10] netdev_get_by_index+0x5e/0x80 [ 330.363318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.363318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.363318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.363318][ T10] ipv6_add_addr+0x411/0x2000 [ 330.363318][ T10] inet6_addr_add+0x30e/0xa40 [ 330.363318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.363318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.363318][ T10] netlink_rcv_skb+0x130/0x360 [ 330.363318][ T10] netlink_unicast+0x449/0x710 [ 330.363318][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.363318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.363318][ T10] ___sys_sendmsg+0xee/0x170 [ 330.363318][ T10] __sys_sendmsg+0xcd/0x170 [ 330.363318][ T10] do_syscall_64+0xc6/0x1e0 [ 330.363318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.363318][ T10] [ 330.365431][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 330.365431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.365431][ T10] ipv6_find_idev+0x102/0x170 [ 330.365431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.365431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.365431][ T10] netlink_rcv_skb+0x130/0x360 [ 330.365431][ T10] netlink_unicast+0x449/0x710 [ 330.365431][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.365431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.365431][ T10] ___sys_sendmsg+0xee/0x170 [ 330.365431][ T10] __sys_sendmsg+0xcd/0x170 [ 330.365431][ T10] do_syscall_64+0xc6/0x1e0 [ 330.365431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.365431][ T10] [ 330.366954][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 330.366954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.366954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.366954][ T10] ipv6_find_idev+0x102/0x170 [ 330.366954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.366954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.366954][ T10] netlink_rcv_skb+0x130/0x360 [ 330.366954][ T10] netlink_unicast+0x449/0x710 [ 330.366954][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.366954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.366954][ T10] ___sys_sendmsg+0xee/0x170 [ 330.366954][ T10] __sys_sendmsg+0xcd/0x170 [ 330.366954][ T10] do_syscall_64+0xc6/0x1e0 [ 330.366954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.366954][ T10] [ 330.368654][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 330.368935][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 330.368935][ T10] netdev_get_by_index+0x5e/0x80 [ 330.368935][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.368935][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.368935][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.368935][ T10] ipv6_add_addr+0x411/0x2000 [ 330.368935][ T10] inet6_addr_add+0x30e/0xa40 [ 330.368935][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.368935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.368935][ T10] netlink_rcv_skb+0x130/0x360 [ 330.368935][ T10] netlink_unicast+0x449/0x710 [ 330.368935][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.368935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.368935][ T10] ___sys_sendmsg+0xee/0x170 [ 330.368935][ T10] __sys_sendmsg+0xcd/0x170 [ 330.368935][ T10] do_syscall_64+0xc6/0x1e0 [ 330.368935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.368935][ T10] [ 330.370901][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 330.370901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.370901][ T10] ipv6_find_idev+0x102/0x170 [ 330.370901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.370901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.370901][ T10] netlink_rcv_skb+0x130/0x360 [ 330.370901][ T10] netlink_unicast+0x449/0x710 [ 330.370901][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.370901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.370901][ T10] ___sys_sendmsg+0xee/0x170 [ 330.370901][ T10] __sys_sendmsg+0xcd/0x170 [ 330.370901][ T10] do_syscall_64+0xc6/0x1e0 [ 330.370901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.370901][ T10] [ 330.372465][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 330.372465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.372465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.372465][ T10] ipv6_find_idev+0x102/0x170 [ 330.372465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.372465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.372465][ T10] netlink_rcv_skb+0x130/0x360 [ 330.372465][ T10] netlink_unicast+0x449/0x710 [ 330.372465][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.372465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.372465][ T10] ___sys_sendmsg+0xee/0x170 [ 330.372465][ T10] __sys_sendmsg+0xcd/0x170 [ 330.372465][ T10] do_syscall_64+0xc6/0x1e0 [ 330.372465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.372465][ T10] [ 330.374137][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 330.374424][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 330.374424][ T10] netdev_get_by_index+0x5e/0x80 [ 330.374424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.374424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.374424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.374424][ T10] ipv6_add_addr+0x411/0x2000 [ 330.374424][ T10] inet6_addr_add+0x30e/0xa40 [ 330.374424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.374424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.374424][ T10] netlink_rcv_skb+0x130/0x360 [ 330.374424][ T10] netlink_unicast+0x449/0x710 [ 330.374424][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.374424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.374424][ T10] ___sys_sendmsg+0xee/0x170 [ 330.374424][ T10] __sys_sendmsg+0xcd/0x170 [ 330.374424][ T10] do_syscall_64+0xc6/0x1e0 [ 330.374424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.374424][ T10] [ 330.376442][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 330.376442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.376442][ T10] ipv6_find_idev+0x102/0x170 [ 330.376442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.376442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.376442][ T10] netlink_rcv_skb+0x130/0x360 [ 330.376442][ T10] netlink_unicast+0x449/0x710 [ 330.376442][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.376442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.376442][ T10] ___sys_sendmsg+0xee/0x170 [ 330.376442][ T10] __sys_sendmsg+0xcd/0x170 [ 330.376442][ T10] do_syscall_64+0xc6/0x1e0 [ 330.376442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.376442][ T10] [ 330.377979][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 330.377979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.377979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.377979][ T10] ipv6_find_idev+0x102/0x170 [ 330.377979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.377979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.377979][ T10] netlink_rcv_skb+0x130/0x360 [ 330.377979][ T10] netlink_unicast+0x449/0x710 [ 330.377979][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.377979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.377979][ T10] ___sys_sendmsg+0xee/0x170 [ 330.377979][ T10] __sys_sendmsg+0xcd/0x170 [ 330.377979][ T10] do_syscall_64+0xc6/0x1e0 [ 330.377979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.377979][ T10] [ 330.379660][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 330.379930][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 330.379930][ T10] netdev_get_by_index+0x5e/0x80 [ 330.379930][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.379930][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.379930][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.379930][ T10] ipv6_add_addr+0x411/0x2000 [ 330.379930][ T10] inet6_addr_add+0x30e/0xa40 [ 330.379930][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.379930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.379930][ T10] netlink_rcv_skb+0x130/0x360 [ 330.379930][ T10] netlink_unicast+0x449/0x710 [ 330.379930][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.379930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.379930][ T10] ___sys_sendmsg+0xee/0x170 [ 330.379930][ T10] __sys_sendmsg+0xcd/0x170 [ 330.379930][ T10] do_syscall_64+0xc6/0x1e0 [ 330.379930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.379930][ T10] [ 330.381909][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 330.381909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.381909][ T10] ipv6_find_idev+0x102/0x170 [ 330.381909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.381909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.381909][ T10] netlink_rcv_skb+0x130/0x360 [ 330.381909][ T10] netlink_unicast+0x449/0x710 [ 330.381909][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.381909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.381909][ T10] ___sys_sendmsg+0xee/0x170 [ 330.381909][ T10] __sys_sendmsg+0xcd/0x170 [ 330.381909][ T10] do_syscall_64+0xc6/0x1e0 [ 330.381909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.381909][ T10] [ 330.383437][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 330.383437][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.383437][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.383437][ T10] ipv6_find_idev+0x102/0x170 [ 330.383437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.383437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.383437][ T10] netlink_rcv_skb+0x130/0x360 [ 330.383437][ T10] netlink_unicast+0x449/0x710 [ 330.383437][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.383437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.383437][ T10] ___sys_sendmsg+0xee/0x170 [ 330.383437][ T10] __sys_sendmsg+0xcd/0x170 [ 330.383437][ T10] do_syscall_64+0xc6/0x1e0 [ 330.383437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.383437][ T10] [ 330.385128][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 330.385402][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 330.385402][ T10] netdev_get_by_index+0x5e/0x80 [ 330.385402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.385402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.385402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.385402][ T10] ipv6_add_addr+0x411/0x2000 [ 330.385402][ T10] inet6_addr_add+0x30e/0xa40 [ 330.385402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.385402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.385402][ T10] netlink_rcv_skb+0x130/0x360 [ 330.385402][ T10] netlink_unicast+0x449/0x710 [ 330.385402][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.385402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.385402][ T10] ___sys_sendmsg+0xee/0x170 [ 330.385402][ T10] __sys_sendmsg+0xcd/0x170 [ 330.385402][ T10] do_syscall_64+0xc6/0x1e0 [ 330.385402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.385402][ T10] [ 330.387411][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 330.387411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.387411][ T10] ipv6_find_idev+0x102/0x170 [ 330.387411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.387411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.387411][ T10] netlink_rcv_skb+0x130/0x360 [ 330.387411][ T10] netlink_unicast+0x449/0x710 [ 330.387411][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.387411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.387411][ T10] ___sys_sendmsg+0xee/0x170 [ 330.387411][ T10] __sys_sendmsg+0xcd/0x170 [ 330.387411][ T10] do_syscall_64+0xc6/0x1e0 [ 330.387411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.387411][ T10] [ 330.389014][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 330.389014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.389014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.389014][ T10] ipv6_find_idev+0x102/0x170 [ 330.389014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.389014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.389014][ T10] netlink_rcv_skb+0x130/0x360 [ 330.389014][ T10] netlink_unicast+0x449/0x710 [ 330.389014][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.389014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.389014][ T10] ___sys_sendmsg+0xee/0x170 [ 330.389014][ T10] __sys_sendmsg+0xcd/0x170 [ 330.389014][ T10] do_syscall_64+0xc6/0x1e0 [ 330.389014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.389014][ T10] [ 330.390947][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 330.391213][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 330.391213][ T10] netdev_get_by_index+0x5e/0x80 [ 330.391213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.391213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.391213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.391213][ T10] ipv6_add_addr+0x411/0x2000 [ 330.391213][ T10] inet6_addr_add+0x30e/0xa40 [ 330.391213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.391213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.391213][ T10] netlink_rcv_skb+0x130/0x360 [ 330.391213][ T10] netlink_unicast+0x449/0x710 [ 330.391213][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.391213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.391213][ T10] ___sys_sendmsg+0xee/0x170 [ 330.391213][ T10] __sys_sendmsg+0xcd/0x170 [ 330.391213][ T10] do_syscall_64+0xc6/0x1e0 [ 330.391213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.391213][ T10] [ 330.393535][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 330.393535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.393535][ T10] ipv6_find_idev+0x102/0x170 [ 330.393535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.393535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.393535][ T10] netlink_rcv_skb+0x130/0x360 [ 330.393535][ T10] netlink_unicast+0x449/0x710 [ 330.393535][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.393535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.393535][ T10] ___sys_sendmsg+0xee/0x170 [ 330.393535][ T10] __sys_sendmsg+0xcd/0x170 [ 330.393535][ T10] do_syscall_64+0xc6/0x1e0 [ 330.393535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.393535][ T10] [ 330.395264][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 330.395264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.395264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.395264][ T10] ipv6_find_idev+0x102/0x170 [ 330.395264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.395264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.395264][ T10] netlink_rcv_skb+0x130/0x360 [ 330.395264][ T10] netlink_unicast+0x449/0x710 [ 330.395264][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.395264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.395264][ T10] ___sys_sendmsg+0xee/0x170 [ 330.395264][ T10] __sys_sendmsg+0xcd/0x170 [ 330.395264][ T10] do_syscall_64+0xc6/0x1e0 [ 330.395264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.395264][ T10] [ 330.397172][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 330.397452][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 330.397452][ T10] netdev_get_by_index+0x5e/0x80 [ 330.397452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.397452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.397452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.397452][ T10] ipv6_add_addr+0x411/0x2000 [ 330.397452][ T10] inet6_addr_add+0x30e/0xa40 [ 330.397452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.397452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.397452][ T10] netlink_rcv_skb+0x130/0x360 [ 330.397452][ T10] netlink_unicast+0x449/0x710 [ 330.397452][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.397452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.397452][ T10] ___sys_sendmsg+0xee/0x170 [ 330.397452][ T10] __sys_sendmsg+0xcd/0x170 [ 330.397452][ T10] do_syscall_64+0xc6/0x1e0 [ 330.397452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.397452][ T10] [ 330.399669][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 330.399669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.399669][ T10] ipv6_find_idev+0x102/0x170 [ 330.399669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.399669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.399669][ T10] netlink_rcv_skb+0x130/0x360 [ 330.399669][ T10] netlink_unicast+0x449/0x710 [ 330.399669][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.399669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.399669][ T10] ___sys_sendmsg+0xee/0x170 [ 330.399669][ T10] __sys_sendmsg+0xcd/0x170 [ 330.399669][ T10] do_syscall_64+0xc6/0x1e0 [ 330.399669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.399669][ T10] [ 330.401358][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 330.401358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.401358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.401358][ T10] ipv6_find_idev+0x102/0x170 [ 330.401358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.401358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.401358][ T10] netlink_rcv_skb+0x130/0x360 [ 330.401358][ T10] netlink_unicast+0x449/0x710 [ 330.401358][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.401358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.401358][ T10] ___sys_sendmsg+0xee/0x170 [ 330.401358][ T10] __sys_sendmsg+0xcd/0x170 [ 330.401358][ T10] do_syscall_64+0xc6/0x1e0 [ 330.401358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.401358][ T10] [ 330.403338][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 330.403604][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 330.403604][ T10] netdev_get_by_index+0x5e/0x80 [ 330.403604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 330.403604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 330.403604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 330.403604][ T10] ipv6_add_addr+0x411/0x2000 [ 330.403604][ T10] inet6_addr_add+0x30e/0xa40 [ 330.403604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 330.403604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.403604][ T10] netlink_rcv_skb+0x130/0x360 [ 330.403604][ T10] netlink_unicast+0x449/0x710 [ 330.403604][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.403604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.403604][ T10] ___sys_sendmsg+0xee/0x170 [ 330.403604][ T10] __sys_sendmsg+0xcd/0x170 [ 330.403604][ T10] do_syscall_64+0xc6/0x1e0 [ 330.403604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.403604][ T10] [ 330.405849][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 330.405849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 330.405849][ T10] ipv6_find_idev+0x102/0x170 [ 330.405849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.405849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.405849][ T10] netlink_rcv_skb+0x130/0x360 [ 330.405849][ T10] netlink_unicast+0x449/0x710 [ 330.405849][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.405849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.405849][ T10] ___sys_sendmsg+0xee/0x170 [ 330.405849][ T10] __sys_sendmsg+0xcd/0x170 [ 330.405849][ T10] do_syscall_64+0xc6/0x1e0 [ 330.405849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.405849][ T10] [ 330.407562][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 330.407562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 330.407562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 330.407562][ T10] ipv6_find_idev+0x102/0x170 [ 330.407562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 330.407562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 330.407562][ T10] netlink_rcv_skb+0x130/0x360 [ 330.407562][ T10] netlink_unicast+0x449/0x710 [ 330.407562][ T10] netlink_sendmsg+0x723/0xbe0 [ 330.407562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 330.407562][ T10] ___sys_sendmsg+0xee/0x170 [ 330.407562][ T10] __sys_sendmsg+0xcd/0x170 [ 330.407562][ T10] do_syscall_64+0xc6/0x1e0 [ 330.407562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 330.407562][ T10] [ 340.498944][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 340.499358][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 340.499358][ T10] netdev_get_by_index+0x5e/0x80 [ 340.499358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.499358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.499358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.499358][ T10] ipv6_add_addr+0x411/0x2000 [ 340.499358][ T10] inet6_addr_add+0x30e/0xa40 [ 340.499358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.499358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.499358][ T10] netlink_rcv_skb+0x130/0x360 [ 340.499358][ T10] netlink_unicast+0x449/0x710 [ 340.499358][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.499358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.499358][ T10] ___sys_sendmsg+0xee/0x170 [ 340.499358][ T10] __sys_sendmsg+0xcd/0x170 [ 340.499358][ T10] do_syscall_64+0xc6/0x1e0 [ 340.499358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.499358][ T10] [ 340.501366][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 340.501366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.501366][ T10] ipv6_find_idev+0x102/0x170 [ 340.501366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.501366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.501366][ T10] netlink_rcv_skb+0x130/0x360 [ 340.501366][ T10] netlink_unicast+0x449/0x710 [ 340.501366][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.501366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.501366][ T10] ___sys_sendmsg+0xee/0x170 [ 340.501366][ T10] __sys_sendmsg+0xcd/0x170 [ 340.501366][ T10] do_syscall_64+0xc6/0x1e0 [ 340.501366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.501366][ T10] [ 340.502896][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 340.502896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.502896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.502896][ T10] ipv6_find_idev+0x102/0x170 [ 340.502896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.502896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.502896][ T10] netlink_rcv_skb+0x130/0x360 [ 340.502896][ T10] netlink_unicast+0x449/0x710 [ 340.502896][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.502896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.502896][ T10] ___sys_sendmsg+0xee/0x170 [ 340.502896][ T10] __sys_sendmsg+0xcd/0x170 [ 340.502896][ T10] do_syscall_64+0xc6/0x1e0 [ 340.502896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.502896][ T10] [ 340.504567][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 340.504841][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 340.504841][ T10] netdev_get_by_index+0x5e/0x80 [ 340.504841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.504841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.504841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.504841][ T10] ipv6_add_addr+0x411/0x2000 [ 340.504841][ T10] inet6_addr_add+0x30e/0xa40 [ 340.504841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.504841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.504841][ T10] netlink_rcv_skb+0x130/0x360 [ 340.504841][ T10] netlink_unicast+0x449/0x710 [ 340.504841][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.504841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.504841][ T10] ___sys_sendmsg+0xee/0x170 [ 340.504841][ T10] __sys_sendmsg+0xcd/0x170 [ 340.504841][ T10] do_syscall_64+0xc6/0x1e0 [ 340.504841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.504841][ T10] [ 340.506794][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 340.506794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.506794][ T10] ipv6_find_idev+0x102/0x170 [ 340.506794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.506794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.506794][ T10] netlink_rcv_skb+0x130/0x360 [ 340.506794][ T10] netlink_unicast+0x449/0x710 [ 340.506794][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.506794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.506794][ T10] ___sys_sendmsg+0xee/0x170 [ 340.506794][ T10] __sys_sendmsg+0xcd/0x170 [ 340.506794][ T10] do_syscall_64+0xc6/0x1e0 [ 340.506794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.506794][ T10] [ 340.508311][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 340.508311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.508311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.508311][ T10] ipv6_find_idev+0x102/0x170 [ 340.508311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.508311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.508311][ T10] netlink_rcv_skb+0x130/0x360 [ 340.508311][ T10] netlink_unicast+0x449/0x710 [ 340.508311][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.508311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.508311][ T10] ___sys_sendmsg+0xee/0x170 [ 340.508311][ T10] __sys_sendmsg+0xcd/0x170 [ 340.508311][ T10] do_syscall_64+0xc6/0x1e0 [ 340.508311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.508311][ T10] [ 340.509972][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 340.510232][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 340.510232][ T10] netdev_get_by_index+0x5e/0x80 [ 340.510232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.510232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.510232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.510232][ T10] ipv6_add_addr+0x411/0x2000 [ 340.510232][ T10] inet6_addr_add+0x30e/0xa40 [ 340.510232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.510232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.510232][ T10] netlink_rcv_skb+0x130/0x360 [ 340.510232][ T10] netlink_unicast+0x449/0x710 [ 340.510232][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.510232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.510232][ T10] ___sys_sendmsg+0xee/0x170 [ 340.510232][ T10] __sys_sendmsg+0xcd/0x170 [ 340.510232][ T10] do_syscall_64+0xc6/0x1e0 [ 340.510232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.510232][ T10] [ 340.512214][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 340.512214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.512214][ T10] ipv6_find_idev+0x102/0x170 [ 340.512214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.512214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.512214][ T10] netlink_rcv_skb+0x130/0x360 [ 340.512214][ T10] netlink_unicast+0x449/0x710 [ 340.512214][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.512214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.512214][ T10] ___sys_sendmsg+0xee/0x170 [ 340.512214][ T10] __sys_sendmsg+0xcd/0x170 [ 340.512214][ T10] do_syscall_64+0xc6/0x1e0 [ 340.512214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.512214][ T10] [ 340.513730][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 340.513730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.513730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.513730][ T10] ipv6_find_idev+0x102/0x170 [ 340.513730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.513730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.513730][ T10] netlink_rcv_skb+0x130/0x360 [ 340.513730][ T10] netlink_unicast+0x449/0x710 [ 340.513730][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.513730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.513730][ T10] ___sys_sendmsg+0xee/0x170 [ 340.513730][ T10] __sys_sendmsg+0xcd/0x170 [ 340.513730][ T10] do_syscall_64+0xc6/0x1e0 [ 340.513730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.513730][ T10] [ 340.515405][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 340.515668][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 340.515668][ T10] netdev_get_by_index+0x5e/0x80 [ 340.515668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.515668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.515668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.515668][ T10] ipv6_add_addr+0x411/0x2000 [ 340.515668][ T10] inet6_addr_add+0x30e/0xa40 [ 340.515668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.515668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.515668][ T10] netlink_rcv_skb+0x130/0x360 [ 340.515668][ T10] netlink_unicast+0x449/0x710 [ 340.515668][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.515668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.515668][ T10] ___sys_sendmsg+0xee/0x170 [ 340.515668][ T10] __sys_sendmsg+0xcd/0x170 [ 340.515668][ T10] do_syscall_64+0xc6/0x1e0 [ 340.515668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.515668][ T10] [ 340.517634][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 340.517634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.517634][ T10] ipv6_find_idev+0x102/0x170 [ 340.517634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.517634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.517634][ T10] netlink_rcv_skb+0x130/0x360 [ 340.517634][ T10] netlink_unicast+0x449/0x710 [ 340.517634][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.517634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.517634][ T10] ___sys_sendmsg+0xee/0x170 [ 340.517634][ T10] __sys_sendmsg+0xcd/0x170 [ 340.517634][ T10] do_syscall_64+0xc6/0x1e0 [ 340.517634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.517634][ T10] [ 340.519168][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 340.519168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.519168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.519168][ T10] ipv6_find_idev+0x102/0x170 [ 340.519168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.519168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.519168][ T10] netlink_rcv_skb+0x130/0x360 [ 340.519168][ T10] netlink_unicast+0x449/0x710 [ 340.519168][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.519168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.519168][ T10] ___sys_sendmsg+0xee/0x170 [ 340.519168][ T10] __sys_sendmsg+0xcd/0x170 [ 340.519168][ T10] do_syscall_64+0xc6/0x1e0 [ 340.519168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.519168][ T10] [ 340.521241][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 340.521502][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 340.521502][ T10] netdev_get_by_index+0x5e/0x80 [ 340.521502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.521502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.521502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.521502][ T10] ipv6_add_addr+0x411/0x2000 [ 340.521502][ T10] inet6_addr_add+0x30e/0xa40 [ 340.521502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.521502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.521502][ T10] netlink_rcv_skb+0x130/0x360 [ 340.521502][ T10] netlink_unicast+0x449/0x710 [ 340.521502][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.521502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.521502][ T10] ___sys_sendmsg+0xee/0x170 [ 340.521502][ T10] __sys_sendmsg+0xcd/0x170 [ 340.521502][ T10] do_syscall_64+0xc6/0x1e0 [ 340.521502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.521502][ T10] [ 340.523469][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 340.523469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.523469][ T10] ipv6_find_idev+0x102/0x170 [ 340.523469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.523469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.523469][ T10] netlink_rcv_skb+0x130/0x360 [ 340.523469][ T10] netlink_unicast+0x449/0x710 [ 340.523469][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.523469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.523469][ T10] ___sys_sendmsg+0xee/0x170 [ 340.523469][ T10] __sys_sendmsg+0xcd/0x170 [ 340.523469][ T10] do_syscall_64+0xc6/0x1e0 [ 340.523469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.523469][ T10] [ 340.524989][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 340.524989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.524989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.524989][ T10] ipv6_find_idev+0x102/0x170 [ 340.524989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.524989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.524989][ T10] netlink_rcv_skb+0x130/0x360 [ 340.524989][ T10] netlink_unicast+0x449/0x710 [ 340.524989][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.524989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.524989][ T10] ___sys_sendmsg+0xee/0x170 [ 340.524989][ T10] __sys_sendmsg+0xcd/0x170 [ 340.524989][ T10] do_syscall_64+0xc6/0x1e0 [ 340.524989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.524989][ T10] [ 340.526693][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 340.527007][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 340.527007][ T10] netdev_get_by_index+0x5e/0x80 [ 340.527007][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.527007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.527007][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.527007][ T10] ipv6_add_addr+0x411/0x2000 [ 340.527007][ T10] inet6_addr_add+0x30e/0xa40 [ 340.527007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.527007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.527007][ T10] netlink_rcv_skb+0x130/0x360 [ 340.527007][ T10] netlink_unicast+0x449/0x710 [ 340.527007][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.527007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.527007][ T10] ___sys_sendmsg+0xee/0x170 [ 340.527007][ T10] __sys_sendmsg+0xcd/0x170 [ 340.527007][ T10] do_syscall_64+0xc6/0x1e0 [ 340.527007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.527007][ T10] [ 340.528997][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 340.528997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.528997][ T10] ipv6_find_idev+0x102/0x170 [ 340.528997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.528997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.528997][ T10] netlink_rcv_skb+0x130/0x360 [ 340.528997][ T10] netlink_unicast+0x449/0x710 [ 340.528997][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.528997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.528997][ T10] ___sys_sendmsg+0xee/0x170 [ 340.528997][ T10] __sys_sendmsg+0xcd/0x170 [ 340.528997][ T10] do_syscall_64+0xc6/0x1e0 [ 340.528997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.528997][ T10] [ 340.530651][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 340.530651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.530651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.530651][ T10] ipv6_find_idev+0x102/0x170 [ 340.530651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.530651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.530651][ T10] netlink_rcv_skb+0x130/0x360 [ 340.530651][ T10] netlink_unicast+0x449/0x710 [ 340.530651][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.530651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.530651][ T10] ___sys_sendmsg+0xee/0x170 [ 340.530651][ T10] __sys_sendmsg+0xcd/0x170 [ 340.530651][ T10] do_syscall_64+0xc6/0x1e0 [ 340.530651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.530651][ T10] [ 340.532573][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 340.532837][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 340.532837][ T10] netdev_get_by_index+0x5e/0x80 [ 340.532837][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.532837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.532837][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.532837][ T10] ipv6_add_addr+0x411/0x2000 [ 340.532837][ T10] inet6_addr_add+0x30e/0xa40 [ 340.532837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.532837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.532837][ T10] netlink_rcv_skb+0x130/0x360 [ 340.532837][ T10] netlink_unicast+0x449/0x710 [ 340.532837][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.532837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.532837][ T10] ___sys_sendmsg+0xee/0x170 [ 340.532837][ T10] __sys_sendmsg+0xcd/0x170 [ 340.532837][ T10] do_syscall_64+0xc6/0x1e0 [ 340.532837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.532837][ T10] [ 340.534940][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 340.534940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.534940][ T10] ipv6_find_idev+0x102/0x170 [ 340.534940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.534940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.534940][ T10] netlink_rcv_skb+0x130/0x360 [ 340.534940][ T10] netlink_unicast+0x449/0x710 [ 340.534940][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.534940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.534940][ T10] ___sys_sendmsg+0xee/0x170 [ 340.534940][ T10] __sys_sendmsg+0xcd/0x170 [ 340.534940][ T10] do_syscall_64+0xc6/0x1e0 [ 340.534940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.534940][ T10] [ 340.536515][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 340.536515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.536515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.536515][ T10] ipv6_find_idev+0x102/0x170 [ 340.536515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.536515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.536515][ T10] netlink_rcv_skb+0x130/0x360 [ 340.536515][ T10] netlink_unicast+0x449/0x710 [ 340.536515][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.536515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.536515][ T10] ___sys_sendmsg+0xee/0x170 [ 340.536515][ T10] __sys_sendmsg+0xcd/0x170 [ 340.536515][ T10] do_syscall_64+0xc6/0x1e0 [ 340.536515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.536515][ T10] [ 340.538347][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 340.538609][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 340.538609][ T10] netdev_get_by_index+0x5e/0x80 [ 340.538609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 340.538609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 340.538609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 340.538609][ T10] ipv6_add_addr+0x411/0x2000 [ 340.538609][ T10] inet6_addr_add+0x30e/0xa40 [ 340.538609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 340.538609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.538609][ T10] netlink_rcv_skb+0x130/0x360 [ 340.538609][ T10] netlink_unicast+0x449/0x710 [ 340.538609][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.538609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.538609][ T10] ___sys_sendmsg+0xee/0x170 [ 340.538609][ T10] __sys_sendmsg+0xcd/0x170 [ 340.538609][ T10] do_syscall_64+0xc6/0x1e0 [ 340.538609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.538609][ T10] [ 340.540705][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 340.540705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 340.540705][ T10] ipv6_find_idev+0x102/0x170 [ 340.540705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.540705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.540705][ T10] netlink_rcv_skb+0x130/0x360 [ 340.540705][ T10] netlink_unicast+0x449/0x710 [ 340.540705][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.540705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.540705][ T10] ___sys_sendmsg+0xee/0x170 [ 340.540705][ T10] __sys_sendmsg+0xcd/0x170 [ 340.540705][ T10] do_syscall_64+0xc6/0x1e0 [ 340.540705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.540705][ T10] [ 340.542298][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 340.542298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 340.542298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 340.542298][ T10] ipv6_find_idev+0x102/0x170 [ 340.542298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 340.542298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 340.542298][ T10] netlink_rcv_skb+0x130/0x360 [ 340.542298][ T10] netlink_unicast+0x449/0x710 [ 340.542298][ T10] netlink_sendmsg+0x723/0xbe0 [ 340.542298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 340.542298][ T10] ___sys_sendmsg+0xee/0x170 [ 340.542298][ T10] __sys_sendmsg+0xcd/0x170 [ 340.542298][ T10] do_syscall_64+0xc6/0x1e0 [ 340.542298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 340.542298][ T10] [ 350.786945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 350.787502][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 350.787502][ T10] netdev_get_by_index+0x5e/0x80 [ 350.787502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.787502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.787502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.787502][ T10] ipv6_add_addr+0x411/0x2000 [ 350.787502][ T10] inet6_addr_add+0x30e/0xa40 [ 350.787502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.787502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.787502][ T10] netlink_rcv_skb+0x130/0x360 [ 350.787502][ T10] netlink_unicast+0x449/0x710 [ 350.787502][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.787502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.787502][ T10] ___sys_sendmsg+0xee/0x170 [ 350.787502][ T10] __sys_sendmsg+0xcd/0x170 [ 350.787502][ T10] do_syscall_64+0xc6/0x1e0 [ 350.787502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.787502][ T10] [ 350.790623][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 350.790623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.790623][ T10] ipv6_find_idev+0x102/0x170 [ 350.790623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.790623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.790623][ T10] netlink_rcv_skb+0x130/0x360 [ 350.790623][ T10] netlink_unicast+0x449/0x710 [ 350.790623][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.790623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.790623][ T10] ___sys_sendmsg+0xee/0x170 [ 350.790623][ T10] __sys_sendmsg+0xcd/0x170 [ 350.790623][ T10] do_syscall_64+0xc6/0x1e0 [ 350.790623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.790623][ T10] [ 350.793051][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 350.793051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.793051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.793051][ T10] ipv6_find_idev+0x102/0x170 [ 350.793051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.793051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.793051][ T10] netlink_rcv_skb+0x130/0x360 [ 350.793051][ T10] netlink_unicast+0x449/0x710 [ 350.793051][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.793051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.793051][ T10] ___sys_sendmsg+0xee/0x170 [ 350.793051][ T10] __sys_sendmsg+0xcd/0x170 [ 350.793051][ T10] do_syscall_64+0xc6/0x1e0 [ 350.793051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.793051][ T10] [ 350.795708][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 350.796174][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 350.796174][ T10] netdev_get_by_index+0x5e/0x80 [ 350.796174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.796174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.796174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.796174][ T10] ipv6_add_addr+0x411/0x2000 [ 350.796174][ T10] inet6_addr_add+0x30e/0xa40 [ 350.796174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.796174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.796174][ T10] netlink_rcv_skb+0x130/0x360 [ 350.796174][ T10] netlink_unicast+0x449/0x710 [ 350.796174][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.796174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.796174][ T10] ___sys_sendmsg+0xee/0x170 [ 350.796174][ T10] __sys_sendmsg+0xcd/0x170 [ 350.796174][ T10] do_syscall_64+0xc6/0x1e0 [ 350.796174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.796174][ T10] [ 350.799323][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 350.799323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.799323][ T10] ipv6_find_idev+0x102/0x170 [ 350.799323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.799323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.799323][ T10] netlink_rcv_skb+0x130/0x360 [ 350.799323][ T10] netlink_unicast+0x449/0x710 [ 350.799323][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.799323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.799323][ T10] ___sys_sendmsg+0xee/0x170 [ 350.799323][ T10] __sys_sendmsg+0xcd/0x170 [ 350.799323][ T10] do_syscall_64+0xc6/0x1e0 [ 350.799323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.799323][ T10] [ 350.801736][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 350.801736][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.801736][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.801736][ T10] ipv6_find_idev+0x102/0x170 [ 350.801736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.801736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.801736][ T10] netlink_rcv_skb+0x130/0x360 [ 350.801736][ T10] netlink_unicast+0x449/0x710 [ 350.801736][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.801736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.801736][ T10] ___sys_sendmsg+0xee/0x170 [ 350.801736][ T10] __sys_sendmsg+0xcd/0x170 [ 350.801736][ T10] do_syscall_64+0xc6/0x1e0 [ 350.801736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.801736][ T10] [ 350.804412][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 350.804845][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 350.804845][ T10] netdev_get_by_index+0x5e/0x80 [ 350.804845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.804845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.804845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.804845][ T10] ipv6_add_addr+0x411/0x2000 [ 350.804845][ T10] inet6_addr_add+0x30e/0xa40 [ 350.804845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.804845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.804845][ T10] netlink_rcv_skb+0x130/0x360 [ 350.804845][ T10] netlink_unicast+0x449/0x710 [ 350.804845][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.804845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.804845][ T10] ___sys_sendmsg+0xee/0x170 [ 350.804845][ T10] __sys_sendmsg+0xcd/0x170 [ 350.804845][ T10] do_syscall_64+0xc6/0x1e0 [ 350.804845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.804845][ T10] [ 350.807948][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 350.807948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.807948][ T10] ipv6_find_idev+0x102/0x170 [ 350.807948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.807948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.807948][ T10] netlink_rcv_skb+0x130/0x360 [ 350.807948][ T10] netlink_unicast+0x449/0x710 [ 350.807948][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.807948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.807948][ T10] ___sys_sendmsg+0xee/0x170 [ 350.807948][ T10] __sys_sendmsg+0xcd/0x170 [ 350.807948][ T10] do_syscall_64+0xc6/0x1e0 [ 350.807948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.807948][ T10] [ 350.810298][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 350.810298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.810298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.810298][ T10] ipv6_find_idev+0x102/0x170 [ 350.810298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.810298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.810298][ T10] netlink_rcv_skb+0x130/0x360 [ 350.810298][ T10] netlink_unicast+0x449/0x710 [ 350.810298][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.810298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.810298][ T10] ___sys_sendmsg+0xee/0x170 [ 350.810298][ T10] __sys_sendmsg+0xcd/0x170 [ 350.810298][ T10] do_syscall_64+0xc6/0x1e0 [ 350.810298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.810298][ T10] [ 350.812986][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 350.813397][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 350.813397][ T10] netdev_get_by_index+0x5e/0x80 [ 350.813397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.813397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.813397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.813397][ T10] ipv6_add_addr+0x411/0x2000 [ 350.813397][ T10] inet6_addr_add+0x30e/0xa40 [ 350.813397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.813397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.813397][ T10] netlink_rcv_skb+0x130/0x360 [ 350.813397][ T10] netlink_unicast+0x449/0x710 [ 350.813397][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.813397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.813397][ T10] ___sys_sendmsg+0xee/0x170 [ 350.813397][ T10] __sys_sendmsg+0xcd/0x170 [ 350.813397][ T10] do_syscall_64+0xc6/0x1e0 [ 350.813397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.813397][ T10] [ 350.815665][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 350.815665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.815665][ T10] ipv6_find_idev+0x102/0x170 [ 350.815665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.815665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.815665][ T10] netlink_rcv_skb+0x130/0x360 [ 350.815665][ T10] netlink_unicast+0x449/0x710 [ 350.815665][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.815665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.815665][ T10] ___sys_sendmsg+0xee/0x170 [ 350.815665][ T10] __sys_sendmsg+0xcd/0x170 [ 350.815665][ T10] do_syscall_64+0xc6/0x1e0 [ 350.815665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.815665][ T10] [ 350.817365][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 350.817365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.817365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.817365][ T10] ipv6_find_idev+0x102/0x170 [ 350.817365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.817365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.817365][ T10] netlink_rcv_skb+0x130/0x360 [ 350.817365][ T10] netlink_unicast+0x449/0x710 [ 350.817365][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.817365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.817365][ T10] ___sys_sendmsg+0xee/0x170 [ 350.817365][ T10] __sys_sendmsg+0xcd/0x170 [ 350.817365][ T10] do_syscall_64+0xc6/0x1e0 [ 350.817365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.817365][ T10] [ 350.819736][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 350.820354][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 350.820354][ T10] netdev_get_by_index+0x5e/0x80 [ 350.820354][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.820354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.820354][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.820354][ T10] ipv6_add_addr+0x411/0x2000 [ 350.820354][ T10] inet6_addr_add+0x30e/0xa40 [ 350.820354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.820354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.820354][ T10] netlink_rcv_skb+0x130/0x360 [ 350.820354][ T10] netlink_unicast+0x449/0x710 [ 350.820354][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.820354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.820354][ T10] ___sys_sendmsg+0xee/0x170 [ 350.820354][ T10] __sys_sendmsg+0xcd/0x170 [ 350.820354][ T10] do_syscall_64+0xc6/0x1e0 [ 350.820354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.820354][ T10] [ 350.822436][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 350.822436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.822436][ T10] ipv6_find_idev+0x102/0x170 [ 350.822436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.822436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.822436][ T10] netlink_rcv_skb+0x130/0x360 [ 350.822436][ T10] netlink_unicast+0x449/0x710 [ 350.822436][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.822436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.822436][ T10] ___sys_sendmsg+0xee/0x170 [ 350.822436][ T10] __sys_sendmsg+0xcd/0x170 [ 350.822436][ T10] do_syscall_64+0xc6/0x1e0 [ 350.822436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.822436][ T10] [ 350.824773][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 350.824773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.824773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.824773][ T10] ipv6_find_idev+0x102/0x170 [ 350.824773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.824773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.824773][ T10] netlink_rcv_skb+0x130/0x360 [ 350.824773][ T10] netlink_unicast+0x449/0x710 [ 350.824773][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.824773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.824773][ T10] ___sys_sendmsg+0xee/0x170 [ 350.824773][ T10] __sys_sendmsg+0xcd/0x170 [ 350.824773][ T10] do_syscall_64+0xc6/0x1e0 [ 350.824773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.824773][ T10] [ 350.827373][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 350.827797][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 350.827797][ T10] netdev_get_by_index+0x5e/0x80 [ 350.827797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.827797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.827797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.827797][ T10] ipv6_add_addr+0x411/0x2000 [ 350.827797][ T10] inet6_addr_add+0x30e/0xa40 [ 350.827797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.827797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.827797][ T10] netlink_rcv_skb+0x130/0x360 [ 350.827797][ T10] netlink_unicast+0x449/0x710 [ 350.827797][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.827797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.827797][ T10] ___sys_sendmsg+0xee/0x170 [ 350.827797][ T10] __sys_sendmsg+0xcd/0x170 [ 350.827797][ T10] do_syscall_64+0xc6/0x1e0 [ 350.827797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.827797][ T10] [ 350.830787][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 350.830787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.830787][ T10] ipv6_find_idev+0x102/0x170 [ 350.830787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.830787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.830787][ T10] netlink_rcv_skb+0x130/0x360 [ 350.830787][ T10] netlink_unicast+0x449/0x710 [ 350.830787][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.830787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.830787][ T10] ___sys_sendmsg+0xee/0x170 [ 350.830787][ T10] __sys_sendmsg+0xcd/0x170 [ 350.830787][ T10] do_syscall_64+0xc6/0x1e0 [ 350.830787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.830787][ T10] [ 350.833158][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 350.833158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.833158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.833158][ T10] ipv6_find_idev+0x102/0x170 [ 350.833158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.833158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.833158][ T10] netlink_rcv_skb+0x130/0x360 [ 350.833158][ T10] netlink_unicast+0x449/0x710 [ 350.833158][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.833158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.833158][ T10] ___sys_sendmsg+0xee/0x170 [ 350.833158][ T10] __sys_sendmsg+0xcd/0x170 [ 350.833158][ T10] do_syscall_64+0xc6/0x1e0 [ 350.833158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.833158][ T10] [ 350.836262][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 350.836687][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 350.836687][ T10] netdev_get_by_index+0x5e/0x80 [ 350.836687][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.836687][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.836687][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.836687][ T10] ipv6_add_addr+0x411/0x2000 [ 350.836687][ T10] inet6_addr_add+0x30e/0xa40 [ 350.836687][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.836687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.836687][ T10] netlink_rcv_skb+0x130/0x360 [ 350.836687][ T10] netlink_unicast+0x449/0x710 [ 350.836687][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.836687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.836687][ T10] ___sys_sendmsg+0xee/0x170 [ 350.836687][ T10] __sys_sendmsg+0xcd/0x170 [ 350.836687][ T10] do_syscall_64+0xc6/0x1e0 [ 350.836687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.836687][ T10] [ 350.840162][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 350.840162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.840162][ T10] ipv6_find_idev+0x102/0x170 [ 350.840162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.840162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.840162][ T10] netlink_rcv_skb+0x130/0x360 [ 350.840162][ T10] netlink_unicast+0x449/0x710 [ 350.840162][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.840162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.840162][ T10] ___sys_sendmsg+0xee/0x170 [ 350.840162][ T10] __sys_sendmsg+0xcd/0x170 [ 350.840162][ T10] do_syscall_64+0xc6/0x1e0 [ 350.840162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.840162][ T10] [ 350.842965][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 350.842965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.842965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.842965][ T10] ipv6_find_idev+0x102/0x170 [ 350.842965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.842965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.842965][ T10] netlink_rcv_skb+0x130/0x360 [ 350.842965][ T10] netlink_unicast+0x449/0x710 [ 350.842965][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.842965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.842965][ T10] ___sys_sendmsg+0xee/0x170 [ 350.842965][ T10] __sys_sendmsg+0xcd/0x170 [ 350.842965][ T10] do_syscall_64+0xc6/0x1e0 [ 350.842965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.842965][ T10] [ 350.845970][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 350.846374][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 350.846374][ T10] netdev_get_by_index+0x5e/0x80 [ 350.846374][ T10] fib6_nh_init+0x3d8/0x15b0 [ 350.846374][ T10] ip6_route_info_create+0xf18/0x17d0 [ 350.846374][ T10] addrconf_f6i_alloc+0x244/0x410 [ 350.846374][ T10] ipv6_add_addr+0x411/0x2000 [ 350.846374][ T10] inet6_addr_add+0x30e/0xa40 [ 350.846374][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 350.846374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.846374][ T10] netlink_rcv_skb+0x130/0x360 [ 350.846374][ T10] netlink_unicast+0x449/0x710 [ 350.846374][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.846374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.846374][ T10] ___sys_sendmsg+0xee/0x170 [ 350.846374][ T10] __sys_sendmsg+0xcd/0x170 [ 350.846374][ T10] do_syscall_64+0xc6/0x1e0 [ 350.846374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.846374][ T10] [ 350.849907][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 350.849907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 350.849907][ T10] ipv6_find_idev+0x102/0x170 [ 350.849907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.849907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.849907][ T10] netlink_rcv_skb+0x130/0x360 [ 350.849907][ T10] netlink_unicast+0x449/0x710 [ 350.849907][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.849907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.849907][ T10] ___sys_sendmsg+0xee/0x170 [ 350.849907][ T10] __sys_sendmsg+0xcd/0x170 [ 350.849907][ T10] do_syscall_64+0xc6/0x1e0 [ 350.849907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.849907][ T10] [ 350.852877][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 350.852877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 350.852877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 350.852877][ T10] ipv6_find_idev+0x102/0x170 [ 350.852877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 350.852877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 350.852877][ T10] netlink_rcv_skb+0x130/0x360 [ 350.852877][ T10] netlink_unicast+0x449/0x710 [ 350.852877][ T10] netlink_sendmsg+0x723/0xbe0 [ 350.852877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 350.852877][ T10] ___sys_sendmsg+0xee/0x170 [ 350.852877][ T10] __sys_sendmsg+0xcd/0x170 [ 350.852877][ T10] do_syscall_64+0xc6/0x1e0 [ 350.852877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 350.852877][ T10] [ 361.186947][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 361.187337][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 361.187337][ T10] netdev_get_by_index+0x5e/0x80 [ 361.187337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.187337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.187337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.187337][ T10] ipv6_add_addr+0x411/0x2000 [ 361.187337][ T10] inet6_addr_add+0x30e/0xa40 [ 361.187337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.187337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.187337][ T10] netlink_rcv_skb+0x130/0x360 [ 361.187337][ T10] netlink_unicast+0x449/0x710 [ 361.187337][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.187337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.187337][ T10] ___sys_sendmsg+0xee/0x170 [ 361.187337][ T10] __sys_sendmsg+0xcd/0x170 [ 361.187337][ T10] do_syscall_64+0xc6/0x1e0 [ 361.187337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.187337][ T10] [ 361.189319][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 361.189319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.189319][ T10] ipv6_find_idev+0x102/0x170 [ 361.189319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.189319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.189319][ T10] netlink_rcv_skb+0x130/0x360 [ 361.189319][ T10] netlink_unicast+0x449/0x710 [ 361.189319][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.189319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.189319][ T10] ___sys_sendmsg+0xee/0x170 [ 361.189319][ T10] __sys_sendmsg+0xcd/0x170 [ 361.189319][ T10] do_syscall_64+0xc6/0x1e0 [ 361.189319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.189319][ T10] [ 361.190999][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 361.190999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.190999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.190999][ T10] ipv6_find_idev+0x102/0x170 [ 361.190999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.190999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.190999][ T10] netlink_rcv_skb+0x130/0x360 [ 361.190999][ T10] netlink_unicast+0x449/0x710 [ 361.190999][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.190999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.190999][ T10] ___sys_sendmsg+0xee/0x170 [ 361.190999][ T10] __sys_sendmsg+0xcd/0x170 [ 361.190999][ T10] do_syscall_64+0xc6/0x1e0 [ 361.190999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.190999][ T10] [ 361.192874][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 361.193175][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 361.193175][ T10] netdev_get_by_index+0x5e/0x80 [ 361.193175][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.193175][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.193175][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.193175][ T10] ipv6_add_addr+0x411/0x2000 [ 361.193175][ T10] inet6_addr_add+0x30e/0xa40 [ 361.193175][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.193175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.193175][ T10] netlink_rcv_skb+0x130/0x360 [ 361.193175][ T10] netlink_unicast+0x449/0x710 [ 361.193175][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.193175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.193175][ T10] ___sys_sendmsg+0xee/0x170 [ 361.193175][ T10] __sys_sendmsg+0xcd/0x170 [ 361.193175][ T10] do_syscall_64+0xc6/0x1e0 [ 361.193175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.193175][ T10] [ 361.195319][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 361.195319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.195319][ T10] ipv6_find_idev+0x102/0x170 [ 361.195319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.195319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.195319][ T10] netlink_rcv_skb+0x130/0x360 [ 361.195319][ T10] netlink_unicast+0x449/0x710 [ 361.195319][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.195319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.195319][ T10] ___sys_sendmsg+0xee/0x170 [ 361.195319][ T10] __sys_sendmsg+0xcd/0x170 [ 361.195319][ T10] do_syscall_64+0xc6/0x1e0 [ 361.195319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.195319][ T10] [ 361.196973][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 361.196973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.196973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.196973][ T10] ipv6_find_idev+0x102/0x170 [ 361.196973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.196973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.196973][ T10] netlink_rcv_skb+0x130/0x360 [ 361.196973][ T10] netlink_unicast+0x449/0x710 [ 361.196973][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.196973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.196973][ T10] ___sys_sendmsg+0xee/0x170 [ 361.196973][ T10] __sys_sendmsg+0xcd/0x170 [ 361.196973][ T10] do_syscall_64+0xc6/0x1e0 [ 361.196973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.196973][ T10] [ 361.198938][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 361.199364][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 361.199364][ T10] netdev_get_by_index+0x5e/0x80 [ 361.199364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.199364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.199364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.199364][ T10] ipv6_add_addr+0x411/0x2000 [ 361.199364][ T10] inet6_addr_add+0x30e/0xa40 [ 361.199364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.199364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.199364][ T10] netlink_rcv_skb+0x130/0x360 [ 361.199364][ T10] netlink_unicast+0x449/0x710 [ 361.199364][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.199364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.199364][ T10] ___sys_sendmsg+0xee/0x170 [ 361.199364][ T10] __sys_sendmsg+0xcd/0x170 [ 361.199364][ T10] do_syscall_64+0xc6/0x1e0 [ 361.199364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.199364][ T10] [ 361.202484][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 361.202484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.202484][ T10] ipv6_find_idev+0x102/0x170 [ 361.202484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.202484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.202484][ T10] netlink_rcv_skb+0x130/0x360 [ 361.202484][ T10] netlink_unicast+0x449/0x710 [ 361.202484][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.202484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.202484][ T10] ___sys_sendmsg+0xee/0x170 [ 361.202484][ T10] __sys_sendmsg+0xcd/0x170 [ 361.202484][ T10] do_syscall_64+0xc6/0x1e0 [ 361.202484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.202484][ T10] [ 361.204880][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 361.204880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.204880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.204880][ T10] ipv6_find_idev+0x102/0x170 [ 361.204880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.204880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.204880][ T10] netlink_rcv_skb+0x130/0x360 [ 361.204880][ T10] netlink_unicast+0x449/0x710 [ 361.204880][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.204880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.204880][ T10] ___sys_sendmsg+0xee/0x170 [ 361.204880][ T10] __sys_sendmsg+0xcd/0x170 [ 361.204880][ T10] do_syscall_64+0xc6/0x1e0 [ 361.204880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.204880][ T10] [ 361.207412][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 361.207826][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 361.207826][ T10] netdev_get_by_index+0x5e/0x80 [ 361.207826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.207826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.207826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.207826][ T10] ipv6_add_addr+0x411/0x2000 [ 361.207826][ T10] inet6_addr_add+0x30e/0xa40 [ 361.207826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.207826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.207826][ T10] netlink_rcv_skb+0x130/0x360 [ 361.207826][ T10] netlink_unicast+0x449/0x710 [ 361.207826][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.207826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.207826][ T10] ___sys_sendmsg+0xee/0x170 [ 361.207826][ T10] __sys_sendmsg+0xcd/0x170 [ 361.207826][ T10] do_syscall_64+0xc6/0x1e0 [ 361.207826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.207826][ T10] [ 361.211042][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 361.211042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.211042][ T10] ipv6_find_idev+0x102/0x170 [ 361.211042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.211042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.211042][ T10] netlink_rcv_skb+0x130/0x360 [ 361.211042][ T10] netlink_unicast+0x449/0x710 [ 361.211042][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.211042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.211042][ T10] ___sys_sendmsg+0xee/0x170 [ 361.211042][ T10] __sys_sendmsg+0xcd/0x170 [ 361.211042][ T10] do_syscall_64+0xc6/0x1e0 [ 361.211042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.211042][ T10] [ 361.213559][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 361.213559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.213559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.213559][ T10] ipv6_find_idev+0x102/0x170 [ 361.213559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.213559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.213559][ T10] netlink_rcv_skb+0x130/0x360 [ 361.213559][ T10] netlink_unicast+0x449/0x710 [ 361.213559][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.213559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.213559][ T10] ___sys_sendmsg+0xee/0x170 [ 361.213559][ T10] __sys_sendmsg+0xcd/0x170 [ 361.213559][ T10] do_syscall_64+0xc6/0x1e0 [ 361.213559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.213559][ T10] [ 361.216436][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 361.216869][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 361.216869][ T10] netdev_get_by_index+0x5e/0x80 [ 361.216869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.216869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.216869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.216869][ T10] ipv6_add_addr+0x411/0x2000 [ 361.216869][ T10] inet6_addr_add+0x30e/0xa40 [ 361.216869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.216869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.216869][ T10] netlink_rcv_skb+0x130/0x360 [ 361.216869][ T10] netlink_unicast+0x449/0x710 [ 361.216869][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.216869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.216869][ T10] ___sys_sendmsg+0xee/0x170 [ 361.216869][ T10] __sys_sendmsg+0xcd/0x170 [ 361.216869][ T10] do_syscall_64+0xc6/0x1e0 [ 361.216869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.216869][ T10] [ 361.220024][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 361.220024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.220024][ T10] ipv6_find_idev+0x102/0x170 [ 361.220024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.220024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.220024][ T10] netlink_rcv_skb+0x130/0x360 [ 361.220024][ T10] netlink_unicast+0x449/0x710 [ 361.220024][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.220024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.220024][ T10] ___sys_sendmsg+0xee/0x170 [ 361.220024][ T10] __sys_sendmsg+0xcd/0x170 [ 361.220024][ T10] do_syscall_64+0xc6/0x1e0 [ 361.220024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.220024][ T10] [ 361.222189][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 361.222189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.222189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.222189][ T10] ipv6_find_idev+0x102/0x170 [ 361.222189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.222189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.222189][ T10] netlink_rcv_skb+0x130/0x360 [ 361.222189][ T10] netlink_unicast+0x449/0x710 [ 361.222189][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.222189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.222189][ T10] ___sys_sendmsg+0xee/0x170 [ 361.222189][ T10] __sys_sendmsg+0xcd/0x170 [ 361.222189][ T10] do_syscall_64+0xc6/0x1e0 [ 361.222189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.222189][ T10] [ 361.224129][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 361.224401][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 361.224401][ T10] netdev_get_by_index+0x5e/0x80 [ 361.224401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.224401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.224401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.224401][ T10] ipv6_add_addr+0x411/0x2000 [ 361.224401][ T10] inet6_addr_add+0x30e/0xa40 [ 361.224401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.224401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.224401][ T10] netlink_rcv_skb+0x130/0x360 [ 361.224401][ T10] netlink_unicast+0x449/0x710 [ 361.224401][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.224401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.224401][ T10] ___sys_sendmsg+0xee/0x170 [ 361.224401][ T10] __sys_sendmsg+0xcd/0x170 [ 361.224401][ T10] do_syscall_64+0xc6/0x1e0 [ 361.224401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.224401][ T10] [ 361.226694][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 361.226694][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.226694][ T10] ipv6_find_idev+0x102/0x170 [ 361.226694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.226694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.226694][ T10] netlink_rcv_skb+0x130/0x360 [ 361.226694][ T10] netlink_unicast+0x449/0x710 [ 361.226694][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.226694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.226694][ T10] ___sys_sendmsg+0xee/0x170 [ 361.226694][ T10] __sys_sendmsg+0xcd/0x170 [ 361.226694][ T10] do_syscall_64+0xc6/0x1e0 [ 361.226694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.226694][ T10] [ 361.228442][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 361.228442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.228442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.228442][ T10] ipv6_find_idev+0x102/0x170 [ 361.228442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.228442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.228442][ T10] netlink_rcv_skb+0x130/0x360 [ 361.228442][ T10] netlink_unicast+0x449/0x710 [ 361.228442][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.228442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.228442][ T10] ___sys_sendmsg+0xee/0x170 [ 361.228442][ T10] __sys_sendmsg+0xcd/0x170 [ 361.228442][ T10] do_syscall_64+0xc6/0x1e0 [ 361.228442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.228442][ T10] [ 361.230916][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 361.231348][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 361.231348][ T10] netdev_get_by_index+0x5e/0x80 [ 361.231348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.231348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.231348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.231348][ T10] ipv6_add_addr+0x411/0x2000 [ 361.231348][ T10] inet6_addr_add+0x30e/0xa40 [ 361.231348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.231348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.231348][ T10] netlink_rcv_skb+0x130/0x360 [ 361.231348][ T10] netlink_unicast+0x449/0x710 [ 361.231348][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.231348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.231348][ T10] ___sys_sendmsg+0xee/0x170 [ 361.231348][ T10] __sys_sendmsg+0xcd/0x170 [ 361.231348][ T10] do_syscall_64+0xc6/0x1e0 [ 361.231348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.231348][ T10] [ 361.234691][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 361.234691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.234691][ T10] ipv6_find_idev+0x102/0x170 [ 361.234691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.234691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.234691][ T10] netlink_rcv_skb+0x130/0x360 [ 361.234691][ T10] netlink_unicast+0x449/0x710 [ 361.234691][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.234691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.234691][ T10] ___sys_sendmsg+0xee/0x170 [ 361.234691][ T10] __sys_sendmsg+0xcd/0x170 [ 361.234691][ T10] do_syscall_64+0xc6/0x1e0 [ 361.234691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.234691][ T10] [ 361.236636][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 361.236636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.236636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.236636][ T10] ipv6_find_idev+0x102/0x170 [ 361.236636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.236636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.236636][ T10] netlink_rcv_skb+0x130/0x360 [ 361.236636][ T10] netlink_unicast+0x449/0x710 [ 361.236636][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.236636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.236636][ T10] ___sys_sendmsg+0xee/0x170 [ 361.236636][ T10] __sys_sendmsg+0xcd/0x170 [ 361.236636][ T10] do_syscall_64+0xc6/0x1e0 [ 361.236636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.236636][ T10] [ 361.239470][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 361.239918][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 361.239918][ T10] netdev_get_by_index+0x5e/0x80 [ 361.239918][ T10] fib6_nh_init+0x3d8/0x15b0 [ 361.239918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 361.239918][ T10] addrconf_f6i_alloc+0x244/0x410 [ 361.239918][ T10] ipv6_add_addr+0x411/0x2000 [ 361.239918][ T10] inet6_addr_add+0x30e/0xa40 [ 361.239918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 361.239918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.239918][ T10] netlink_rcv_skb+0x130/0x360 [ 361.239918][ T10] netlink_unicast+0x449/0x710 [ 361.239918][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.239918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.239918][ T10] ___sys_sendmsg+0xee/0x170 [ 361.239918][ T10] __sys_sendmsg+0xcd/0x170 [ 361.239918][ T10] do_syscall_64+0xc6/0x1e0 [ 361.239918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.239918][ T10] [ 361.243357][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 361.243357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 361.243357][ T10] ipv6_find_idev+0x102/0x170 [ 361.243357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.243357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.243357][ T10] netlink_rcv_skb+0x130/0x360 [ 361.243357][ T10] netlink_unicast+0x449/0x710 [ 361.243357][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.243357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.243357][ T10] ___sys_sendmsg+0xee/0x170 [ 361.243357][ T10] __sys_sendmsg+0xcd/0x170 [ 361.243357][ T10] do_syscall_64+0xc6/0x1e0 [ 361.243357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.243357][ T10] [ 361.245402][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 361.245402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 361.245402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 361.245402][ T10] ipv6_find_idev+0x102/0x170 [ 361.245402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 361.245402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 361.245402][ T10] netlink_rcv_skb+0x130/0x360 [ 361.245402][ T10] netlink_unicast+0x449/0x710 [ 361.245402][ T10] netlink_sendmsg+0x723/0xbe0 [ 361.245402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 361.245402][ T10] ___sys_sendmsg+0xee/0x170 [ 361.245402][ T10] __sys_sendmsg+0xcd/0x170 [ 361.245402][ T10] do_syscall_64+0xc6/0x1e0 [ 361.245402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 361.245402][ T10] [ 369.962990][ T42] INFO: task modprobe:1062 blocked for more than 122 seconds. [ 369.963379][ T42] Not tainted 6.8.0-virtme #1 [ 369.963499][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.963730][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 369.964012][ T42] Call Trace: [ 369.964119][ T42] [ 369.964197][ T42] __schedule+0x705/0x1ac0 [ 369.964333][ T42] ? __pfx___schedule+0x10/0x10 [ 369.964461][ T42] ? schedule+0x1a5/0x210 [ 369.964556][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.964697][ T42] ? mark_lock+0x38/0x3e0 [ 369.964791][ T42] ? do_raw_spin_lock+0x131/0x270 [ 369.964935][ T42] ? schedule+0x1a5/0x210 [ 369.965036][ T42] schedule+0xdf/0x210 [ 369.965134][ T42] schedule_preempt_disabled+0x15/0x30 [ 369.965484][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 369.965619][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 369.965772][ T42] ? kasan_save_stack+0x34/0x50 [ 369.965906][ T42] ? kasan_save_stack+0x24/0x50 [ 369.966030][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 369.966171][ T42] ? lock_acquire+0x1c1/0x220 [ 369.966295][ T42] ? register_pernet_subsys+0x1a/0x50 [ 369.966430][ T42] down_write+0x1c9/0x200 [ 369.966524][ T42] ? __pfx_down_write+0x10/0x10 [ 369.966651][ T42] ? __pfx___lock_release+0x10/0x10 [ 369.966784][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 369.967014][ T42] register_pernet_subsys+0x1a/0x50 [ 369.967150][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 369.967328][ T42] do_one_initcall+0xc8/0x3f0 [ 369.967452][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 369.967577][ T42] ? __create_object+0x5e/0xb0 [ 369.967714][ T42] ? kasan_unpoison+0x27/0x60 [ 369.967869][ T42] do_init_module+0x233/0x740 [ 369.968010][ T42] load_module+0x16b5/0x2350 [ 369.968148][ T42] ? __pfx_load_module+0x10/0x10 [ 369.968271][ T42] ? kernel_read_file+0x3d2/0x520 [ 369.968407][ T42] ? kernel_read_file+0x300/0x520 [ 369.968532][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 369.968674][ T42] ? init_module_from_file+0xd2/0x130 [ 369.968802][ T42] init_module_from_file+0xd2/0x130 [ 369.968943][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 369.969095][ T42] ? __lock_release+0x103/0x460 [ 369.969216][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.969348][ T42] ? idempotent_init_module+0x32a/0x620 [ 369.969483][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 369.969613][ T42] idempotent_init_module+0x342/0x620 [ 369.969746][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 369.969925][ T42] __x64_sys_finit_module+0xbe/0x130 [ 369.970051][ T42] do_syscall_64+0xc6/0x1e0 [ 369.970184][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 369.970338][ T42] RIP: 0033:0x7f81e06dce5d [ 369.970474][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 369.970668][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 369.970866][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 369.971047][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 369.971238][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 369.971425][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 369.971944][ T42] [ 369.972047][ T42] [ 369.972047][ T42] Showing all locks held in the system: [ 369.972219][ T42] 3 locks held by kworker/u16:0/10: [ 369.972340][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.972594][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.972819][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 369.973053][ T42] 1 lock held by khungtaskd/42: [ 369.973174][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 369.973399][ T42] 2 locks held by kworker/u20:1/62: [ 369.973515][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 369.973775][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 369.974062][ T42] 1 lock held by modprobe/1062: [ 369.974180][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 369.974423][ T42] [ 369.974485][ T42] ============================================= [ 369.974485][ T42] [ 371.299002][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 371.299583][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 371.299583][ T10] netdev_get_by_index+0x5e/0x80 [ 371.299583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.299583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.299583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.299583][ T10] ipv6_add_addr+0x411/0x2000 [ 371.299583][ T10] inet6_addr_add+0x30e/0xa40 [ 371.299583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.299583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.299583][ T10] netlink_rcv_skb+0x130/0x360 [ 371.299583][ T10] netlink_unicast+0x449/0x710 [ 371.299583][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.299583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.299583][ T10] ___sys_sendmsg+0xee/0x170 [ 371.299583][ T10] __sys_sendmsg+0xcd/0x170 [ 371.299583][ T10] do_syscall_64+0xc6/0x1e0 [ 371.299583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.299583][ T10] [ 371.301652][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 371.301652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.301652][ T10] ipv6_find_idev+0x102/0x170 [ 371.301652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.301652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.301652][ T10] netlink_rcv_skb+0x130/0x360 [ 371.301652][ T10] netlink_unicast+0x449/0x710 [ 371.301652][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.301652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.301652][ T10] ___sys_sendmsg+0xee/0x170 [ 371.301652][ T10] __sys_sendmsg+0xcd/0x170 [ 371.301652][ T10] do_syscall_64+0xc6/0x1e0 [ 371.301652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.301652][ T10] [ 371.303186][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 371.303186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.303186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.303186][ T10] ipv6_find_idev+0x102/0x170 [ 371.303186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.303186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.303186][ T10] netlink_rcv_skb+0x130/0x360 [ 371.303186][ T10] netlink_unicast+0x449/0x710 [ 371.303186][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.303186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.303186][ T10] ___sys_sendmsg+0xee/0x170 [ 371.303186][ T10] __sys_sendmsg+0xcd/0x170 [ 371.303186][ T10] do_syscall_64+0xc6/0x1e0 [ 371.303186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.303186][ T10] [ 371.305641][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 371.306090][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 371.306090][ T10] netdev_get_by_index+0x5e/0x80 [ 371.306090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.306090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.306090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.306090][ T10] ipv6_add_addr+0x411/0x2000 [ 371.306090][ T10] inet6_addr_add+0x30e/0xa40 [ 371.306090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.306090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.306090][ T10] netlink_rcv_skb+0x130/0x360 [ 371.306090][ T10] netlink_unicast+0x449/0x710 [ 371.306090][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.306090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.306090][ T10] ___sys_sendmsg+0xee/0x170 [ 371.306090][ T10] __sys_sendmsg+0xcd/0x170 [ 371.306090][ T10] do_syscall_64+0xc6/0x1e0 [ 371.306090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.306090][ T10] [ 371.309312][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 371.309312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.309312][ T10] ipv6_find_idev+0x102/0x170 [ 371.309312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.309312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.309312][ T10] netlink_rcv_skb+0x130/0x360 [ 371.309312][ T10] netlink_unicast+0x449/0x710 [ 371.309312][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.309312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.309312][ T10] ___sys_sendmsg+0xee/0x170 [ 371.309312][ T10] __sys_sendmsg+0xcd/0x170 [ 371.309312][ T10] do_syscall_64+0xc6/0x1e0 [ 371.309312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.309312][ T10] [ 371.311763][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 371.311763][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.311763][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.311763][ T10] ipv6_find_idev+0x102/0x170 [ 371.311763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.311763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.311763][ T10] netlink_rcv_skb+0x130/0x360 [ 371.311763][ T10] netlink_unicast+0x449/0x710 [ 371.311763][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.311763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.311763][ T10] ___sys_sendmsg+0xee/0x170 [ 371.311763][ T10] __sys_sendmsg+0xcd/0x170 [ 371.311763][ T10] do_syscall_64+0xc6/0x1e0 [ 371.311763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.311763][ T10] [ 371.314404][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 371.314841][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 371.314841][ T10] netdev_get_by_index+0x5e/0x80 [ 371.314841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.314841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.314841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.314841][ T10] ipv6_add_addr+0x411/0x2000 [ 371.314841][ T10] inet6_addr_add+0x30e/0xa40 [ 371.314841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.314841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.314841][ T10] netlink_rcv_skb+0x130/0x360 [ 371.314841][ T10] netlink_unicast+0x449/0x710 [ 371.314841][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.314841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.314841][ T10] ___sys_sendmsg+0xee/0x170 [ 371.314841][ T10] __sys_sendmsg+0xcd/0x170 [ 371.314841][ T10] do_syscall_64+0xc6/0x1e0 [ 371.314841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.314841][ T10] [ 371.318096][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 371.318096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.318096][ T10] ipv6_find_idev+0x102/0x170 [ 371.318096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.318096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.318096][ T10] netlink_rcv_skb+0x130/0x360 [ 371.318096][ T10] netlink_unicast+0x449/0x710 [ 371.318096][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.318096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.318096][ T10] ___sys_sendmsg+0xee/0x170 [ 371.318096][ T10] __sys_sendmsg+0xcd/0x170 [ 371.318096][ T10] do_syscall_64+0xc6/0x1e0 [ 371.318096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.318096][ T10] [ 371.320426][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 371.320426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.320426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.320426][ T10] ipv6_find_idev+0x102/0x170 [ 371.320426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.320426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.320426][ T10] netlink_rcv_skb+0x130/0x360 [ 371.320426][ T10] netlink_unicast+0x449/0x710 [ 371.320426][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.320426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.320426][ T10] ___sys_sendmsg+0xee/0x170 [ 371.320426][ T10] __sys_sendmsg+0xcd/0x170 [ 371.320426][ T10] do_syscall_64+0xc6/0x1e0 [ 371.320426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.320426][ T10] [ 371.323021][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 371.323455][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 371.323455][ T10] netdev_get_by_index+0x5e/0x80 [ 371.323455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.323455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.323455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.323455][ T10] ipv6_add_addr+0x411/0x2000 [ 371.323455][ T10] inet6_addr_add+0x30e/0xa40 [ 371.323455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.323455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.323455][ T10] netlink_rcv_skb+0x130/0x360 [ 371.323455][ T10] netlink_unicast+0x449/0x710 [ 371.323455][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.323455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.323455][ T10] ___sys_sendmsg+0xee/0x170 [ 371.323455][ T10] __sys_sendmsg+0xcd/0x170 [ 371.323455][ T10] do_syscall_64+0xc6/0x1e0 [ 371.323455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.323455][ T10] [ 371.325661][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 371.325661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.325661][ T10] ipv6_find_idev+0x102/0x170 [ 371.325661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.325661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.325661][ T10] netlink_rcv_skb+0x130/0x360 [ 371.325661][ T10] netlink_unicast+0x449/0x710 [ 371.325661][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.325661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.325661][ T10] ___sys_sendmsg+0xee/0x170 [ 371.325661][ T10] __sys_sendmsg+0xcd/0x170 [ 371.325661][ T10] do_syscall_64+0xc6/0x1e0 [ 371.325661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.325661][ T10] [ 371.327182][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 371.327182][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.327182][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.327182][ T10] ipv6_find_idev+0x102/0x170 [ 371.327182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.327182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.327182][ T10] netlink_rcv_skb+0x130/0x360 [ 371.327182][ T10] netlink_unicast+0x449/0x710 [ 371.327182][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.327182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.327182][ T10] ___sys_sendmsg+0xee/0x170 [ 371.327182][ T10] __sys_sendmsg+0xcd/0x170 [ 371.327182][ T10] do_syscall_64+0xc6/0x1e0 [ 371.327182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.327182][ T10] [ 371.328920][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 371.329192][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 371.329192][ T10] netdev_get_by_index+0x5e/0x80 [ 371.329192][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.329192][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.329192][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.329192][ T10] ipv6_add_addr+0x411/0x2000 [ 371.329192][ T10] inet6_addr_add+0x30e/0xa40 [ 371.329192][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.329192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.329192][ T10] netlink_rcv_skb+0x130/0x360 [ 371.329192][ T10] netlink_unicast+0x449/0x710 [ 371.329192][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.329192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.329192][ T10] ___sys_sendmsg+0xee/0x170 [ 371.329192][ T10] __sys_sendmsg+0xcd/0x170 [ 371.329192][ T10] do_syscall_64+0xc6/0x1e0 [ 371.329192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.329192][ T10] [ 371.331186][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 371.331186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.331186][ T10] ipv6_find_idev+0x102/0x170 [ 371.331186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.331186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.331186][ T10] netlink_rcv_skb+0x130/0x360 [ 371.331186][ T10] netlink_unicast+0x449/0x710 [ 371.331186][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.331186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.331186][ T10] ___sys_sendmsg+0xee/0x170 [ 371.331186][ T10] __sys_sendmsg+0xcd/0x170 [ 371.331186][ T10] do_syscall_64+0xc6/0x1e0 [ 371.331186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.331186][ T10] [ 371.333193][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 371.333193][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.333193][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.333193][ T10] ipv6_find_idev+0x102/0x170 [ 371.333193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.333193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.333193][ T10] netlink_rcv_skb+0x130/0x360 [ 371.333193][ T10] netlink_unicast+0x449/0x710 [ 371.333193][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.333193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.333193][ T10] ___sys_sendmsg+0xee/0x170 [ 371.333193][ T10] __sys_sendmsg+0xcd/0x170 [ 371.333193][ T10] do_syscall_64+0xc6/0x1e0 [ 371.333193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.333193][ T10] [ 371.335102][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 371.335376][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 371.335376][ T10] netdev_get_by_index+0x5e/0x80 [ 371.335376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.335376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.335376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.335376][ T10] ipv6_add_addr+0x411/0x2000 [ 371.335376][ T10] inet6_addr_add+0x30e/0xa40 [ 371.335376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.335376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.335376][ T10] netlink_rcv_skb+0x130/0x360 [ 371.335376][ T10] netlink_unicast+0x449/0x710 [ 371.335376][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.335376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.335376][ T10] ___sys_sendmsg+0xee/0x170 [ 371.335376][ T10] __sys_sendmsg+0xcd/0x170 [ 371.335376][ T10] do_syscall_64+0xc6/0x1e0 [ 371.335376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.335376][ T10] [ 371.337667][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 371.337667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.337667][ T10] ipv6_find_idev+0x102/0x170 [ 371.337667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.337667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.337667][ T10] netlink_rcv_skb+0x130/0x360 [ 371.337667][ T10] netlink_unicast+0x449/0x710 [ 371.337667][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.337667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.337667][ T10] ___sys_sendmsg+0xee/0x170 [ 371.337667][ T10] __sys_sendmsg+0xcd/0x170 [ 371.337667][ T10] do_syscall_64+0xc6/0x1e0 [ 371.337667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.337667][ T10] [ 371.340022][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 371.340022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.340022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.340022][ T10] ipv6_find_idev+0x102/0x170 [ 371.340022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.340022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.340022][ T10] netlink_rcv_skb+0x130/0x360 [ 371.340022][ T10] netlink_unicast+0x449/0x710 [ 371.340022][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.340022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.340022][ T10] ___sys_sendmsg+0xee/0x170 [ 371.340022][ T10] __sys_sendmsg+0xcd/0x170 [ 371.340022][ T10] do_syscall_64+0xc6/0x1e0 [ 371.340022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.340022][ T10] [ 371.341966][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 371.342229][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 371.342229][ T10] netdev_get_by_index+0x5e/0x80 [ 371.342229][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.342229][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.342229][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.342229][ T10] ipv6_add_addr+0x411/0x2000 [ 371.342229][ T10] inet6_addr_add+0x30e/0xa40 [ 371.342229][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.342229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.342229][ T10] netlink_rcv_skb+0x130/0x360 [ 371.342229][ T10] netlink_unicast+0x449/0x710 [ 371.342229][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.342229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.342229][ T10] ___sys_sendmsg+0xee/0x170 [ 371.342229][ T10] __sys_sendmsg+0xcd/0x170 [ 371.342229][ T10] do_syscall_64+0xc6/0x1e0 [ 371.342229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.342229][ T10] [ 371.344458][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 371.344458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.344458][ T10] ipv6_find_idev+0x102/0x170 [ 371.344458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.344458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.344458][ T10] netlink_rcv_skb+0x130/0x360 [ 371.344458][ T10] netlink_unicast+0x449/0x710 [ 371.344458][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.344458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.344458][ T10] ___sys_sendmsg+0xee/0x170 [ 371.344458][ T10] __sys_sendmsg+0xcd/0x170 [ 371.344458][ T10] do_syscall_64+0xc6/0x1e0 [ 371.344458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.344458][ T10] [ 371.346227][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 371.346227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.346227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.346227][ T10] ipv6_find_idev+0x102/0x170 [ 371.346227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.346227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.346227][ T10] netlink_rcv_skb+0x130/0x360 [ 371.346227][ T10] netlink_unicast+0x449/0x710 [ 371.346227][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.346227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.346227][ T10] ___sys_sendmsg+0xee/0x170 [ 371.346227][ T10] __sys_sendmsg+0xcd/0x170 [ 371.346227][ T10] do_syscall_64+0xc6/0x1e0 [ 371.346227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.346227][ T10] [ 371.348130][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 371.348409][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 371.348409][ T10] netdev_get_by_index+0x5e/0x80 [ 371.348409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 371.348409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 371.348409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 371.348409][ T10] ipv6_add_addr+0x411/0x2000 [ 371.348409][ T10] inet6_addr_add+0x30e/0xa40 [ 371.348409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 371.348409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.348409][ T10] netlink_rcv_skb+0x130/0x360 [ 371.348409][ T10] netlink_unicast+0x449/0x710 [ 371.348409][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.348409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.348409][ T10] ___sys_sendmsg+0xee/0x170 [ 371.348409][ T10] __sys_sendmsg+0xcd/0x170 [ 371.348409][ T10] do_syscall_64+0xc6/0x1e0 [ 371.348409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.348409][ T10] [ 371.350635][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 371.350635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 371.350635][ T10] ipv6_find_idev+0x102/0x170 [ 371.350635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.350635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.350635][ T10] netlink_rcv_skb+0x130/0x360 [ 371.350635][ T10] netlink_unicast+0x449/0x710 [ 371.350635][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.350635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.350635][ T10] ___sys_sendmsg+0xee/0x170 [ 371.350635][ T10] __sys_sendmsg+0xcd/0x170 [ 371.350635][ T10] do_syscall_64+0xc6/0x1e0 [ 371.350635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.350635][ T10] [ 371.352370][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 371.352370][ T10] neigh_parms_alloc+0x1e5/0x510 [ 371.352370][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 371.352370][ T10] ipv6_find_idev+0x102/0x170 [ 371.352370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 371.352370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 371.352370][ T10] netlink_rcv_skb+0x130/0x360 [ 371.352370][ T10] netlink_unicast+0x449/0x710 [ 371.352370][ T10] netlink_sendmsg+0x723/0xbe0 [ 371.352370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 371.352370][ T10] ___sys_sendmsg+0xee/0x170 [ 371.352370][ T10] __sys_sendmsg+0xcd/0x170 [ 371.352370][ T10] do_syscall_64+0xc6/0x1e0 [ 371.352370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 371.352370][ T10] [ 381.354937][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 381.355335][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 381.355335][ T10] netdev_get_by_index+0x5e/0x80 [ 381.355335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.355335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.355335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.355335][ T10] ipv6_add_addr+0x411/0x2000 [ 381.355335][ T10] inet6_addr_add+0x30e/0xa40 [ 381.355335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.355335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.355335][ T10] netlink_rcv_skb+0x130/0x360 [ 381.355335][ T10] netlink_unicast+0x449/0x710 [ 381.355335][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.355335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.355335][ T10] ___sys_sendmsg+0xee/0x170 [ 381.355335][ T10] __sys_sendmsg+0xcd/0x170 [ 381.355335][ T10] do_syscall_64+0xc6/0x1e0 [ 381.355335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.355335][ T10] [ 381.357331][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 381.357331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.357331][ T10] ipv6_find_idev+0x102/0x170 [ 381.357331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.357331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.357331][ T10] netlink_rcv_skb+0x130/0x360 [ 381.357331][ T10] netlink_unicast+0x449/0x710 [ 381.357331][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.357331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.357331][ T10] ___sys_sendmsg+0xee/0x170 [ 381.357331][ T10] __sys_sendmsg+0xcd/0x170 [ 381.357331][ T10] do_syscall_64+0xc6/0x1e0 [ 381.357331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.357331][ T10] [ 381.358858][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 381.358858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.358858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.358858][ T10] ipv6_find_idev+0x102/0x170 [ 381.358858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.358858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.358858][ T10] netlink_rcv_skb+0x130/0x360 [ 381.358858][ T10] netlink_unicast+0x449/0x710 [ 381.358858][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.358858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.358858][ T10] ___sys_sendmsg+0xee/0x170 [ 381.358858][ T10] __sys_sendmsg+0xcd/0x170 [ 381.358858][ T10] do_syscall_64+0xc6/0x1e0 [ 381.358858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.358858][ T10] [ 381.360561][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 381.360838][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 381.360838][ T10] netdev_get_by_index+0x5e/0x80 [ 381.360838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.360838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.360838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.360838][ T10] ipv6_add_addr+0x411/0x2000 [ 381.360838][ T10] inet6_addr_add+0x30e/0xa40 [ 381.360838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.360838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.360838][ T10] netlink_rcv_skb+0x130/0x360 [ 381.360838][ T10] netlink_unicast+0x449/0x710 [ 381.360838][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.360838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.360838][ T10] ___sys_sendmsg+0xee/0x170 [ 381.360838][ T10] __sys_sendmsg+0xcd/0x170 [ 381.360838][ T10] do_syscall_64+0xc6/0x1e0 [ 381.360838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.360838][ T10] [ 381.362845][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 381.362845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.362845][ T10] ipv6_find_idev+0x102/0x170 [ 381.362845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.362845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.362845][ T10] netlink_rcv_skb+0x130/0x360 [ 381.362845][ T10] netlink_unicast+0x449/0x710 [ 381.362845][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.362845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.362845][ T10] ___sys_sendmsg+0xee/0x170 [ 381.362845][ T10] __sys_sendmsg+0xcd/0x170 [ 381.362845][ T10] do_syscall_64+0xc6/0x1e0 [ 381.362845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.362845][ T10] [ 381.364413][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 381.364413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.364413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.364413][ T10] ipv6_find_idev+0x102/0x170 [ 381.364413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.364413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.364413][ T10] netlink_rcv_skb+0x130/0x360 [ 381.364413][ T10] netlink_unicast+0x449/0x710 [ 381.364413][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.364413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.364413][ T10] ___sys_sendmsg+0xee/0x170 [ 381.364413][ T10] __sys_sendmsg+0xcd/0x170 [ 381.364413][ T10] do_syscall_64+0xc6/0x1e0 [ 381.364413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.364413][ T10] [ 381.366097][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 381.366371][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 381.366371][ T10] netdev_get_by_index+0x5e/0x80 [ 381.366371][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.366371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.366371][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.366371][ T10] ipv6_add_addr+0x411/0x2000 [ 381.366371][ T10] inet6_addr_add+0x30e/0xa40 [ 381.366371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.366371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.366371][ T10] netlink_rcv_skb+0x130/0x360 [ 381.366371][ T10] netlink_unicast+0x449/0x710 [ 381.366371][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.366371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.366371][ T10] ___sys_sendmsg+0xee/0x170 [ 381.366371][ T10] __sys_sendmsg+0xcd/0x170 [ 381.366371][ T10] do_syscall_64+0xc6/0x1e0 [ 381.366371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.366371][ T10] [ 381.368336][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 381.368336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.368336][ T10] ipv6_find_idev+0x102/0x170 [ 381.368336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.368336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.368336][ T10] netlink_rcv_skb+0x130/0x360 [ 381.368336][ T10] netlink_unicast+0x449/0x710 [ 381.368336][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.368336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.368336][ T10] ___sys_sendmsg+0xee/0x170 [ 381.368336][ T10] __sys_sendmsg+0xcd/0x170 [ 381.368336][ T10] do_syscall_64+0xc6/0x1e0 [ 381.368336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.368336][ T10] [ 381.369853][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 381.369853][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.369853][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.369853][ T10] ipv6_find_idev+0x102/0x170 [ 381.369853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.369853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.369853][ T10] netlink_rcv_skb+0x130/0x360 [ 381.369853][ T10] netlink_unicast+0x449/0x710 [ 381.369853][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.369853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.369853][ T10] ___sys_sendmsg+0xee/0x170 [ 381.369853][ T10] __sys_sendmsg+0xcd/0x170 [ 381.369853][ T10] do_syscall_64+0xc6/0x1e0 [ 381.369853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.369853][ T10] [ 381.371527][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 381.371817][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 381.371817][ T10] netdev_get_by_index+0x5e/0x80 [ 381.371817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.371817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.371817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.371817][ T10] ipv6_add_addr+0x411/0x2000 [ 381.371817][ T10] inet6_addr_add+0x30e/0xa40 [ 381.371817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.371817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.371817][ T10] netlink_rcv_skb+0x130/0x360 [ 381.371817][ T10] netlink_unicast+0x449/0x710 [ 381.371817][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.371817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.371817][ T10] ___sys_sendmsg+0xee/0x170 [ 381.371817][ T10] __sys_sendmsg+0xcd/0x170 [ 381.371817][ T10] do_syscall_64+0xc6/0x1e0 [ 381.371817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.371817][ T10] [ 381.373809][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 381.373809][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.373809][ T10] ipv6_find_idev+0x102/0x170 [ 381.373809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.373809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.373809][ T10] netlink_rcv_skb+0x130/0x360 [ 381.373809][ T10] netlink_unicast+0x449/0x710 [ 381.373809][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.373809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.373809][ T10] ___sys_sendmsg+0xee/0x170 [ 381.373809][ T10] __sys_sendmsg+0xcd/0x170 [ 381.373809][ T10] do_syscall_64+0xc6/0x1e0 [ 381.373809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.373809][ T10] [ 381.375329][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 381.375329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.375329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.375329][ T10] ipv6_find_idev+0x102/0x170 [ 381.375329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.375329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.375329][ T10] netlink_rcv_skb+0x130/0x360 [ 381.375329][ T10] netlink_unicast+0x449/0x710 [ 381.375329][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.375329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.375329][ T10] ___sys_sendmsg+0xee/0x170 [ 381.375329][ T10] __sys_sendmsg+0xcd/0x170 [ 381.375329][ T10] do_syscall_64+0xc6/0x1e0 [ 381.375329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.375329][ T10] [ 381.377055][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 381.377318][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 381.377318][ T10] netdev_get_by_index+0x5e/0x80 [ 381.377318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.377318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.377318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.377318][ T10] ipv6_add_addr+0x411/0x2000 [ 381.377318][ T10] inet6_addr_add+0x30e/0xa40 [ 381.377318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.377318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.377318][ T10] netlink_rcv_skb+0x130/0x360 [ 381.377318][ T10] netlink_unicast+0x449/0x710 [ 381.377318][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.377318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.377318][ T10] ___sys_sendmsg+0xee/0x170 [ 381.377318][ T10] __sys_sendmsg+0xcd/0x170 [ 381.377318][ T10] do_syscall_64+0xc6/0x1e0 [ 381.377318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.377318][ T10] [ 381.379315][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 381.379315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.379315][ T10] ipv6_find_idev+0x102/0x170 [ 381.379315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.379315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.379315][ T10] netlink_rcv_skb+0x130/0x360 [ 381.379315][ T10] netlink_unicast+0x449/0x710 [ 381.379315][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.379315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.379315][ T10] ___sys_sendmsg+0xee/0x170 [ 381.379315][ T10] __sys_sendmsg+0xcd/0x170 [ 381.379315][ T10] do_syscall_64+0xc6/0x1e0 [ 381.379315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.379315][ T10] [ 381.380843][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 381.380843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.380843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.380843][ T10] ipv6_find_idev+0x102/0x170 [ 381.380843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.380843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.380843][ T10] netlink_rcv_skb+0x130/0x360 [ 381.380843][ T10] netlink_unicast+0x449/0x710 [ 381.380843][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.380843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.380843][ T10] ___sys_sendmsg+0xee/0x170 [ 381.380843][ T10] __sys_sendmsg+0xcd/0x170 [ 381.380843][ T10] do_syscall_64+0xc6/0x1e0 [ 381.380843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.380843][ T10] [ 381.382867][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 381.383135][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 381.383135][ T10] netdev_get_by_index+0x5e/0x80 [ 381.383135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.383135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.383135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.383135][ T10] ipv6_add_addr+0x411/0x2000 [ 381.383135][ T10] inet6_addr_add+0x30e/0xa40 [ 381.383135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.383135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.383135][ T10] netlink_rcv_skb+0x130/0x360 [ 381.383135][ T10] netlink_unicast+0x449/0x710 [ 381.383135][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.383135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.383135][ T10] ___sys_sendmsg+0xee/0x170 [ 381.383135][ T10] __sys_sendmsg+0xcd/0x170 [ 381.383135][ T10] do_syscall_64+0xc6/0x1e0 [ 381.383135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.383135][ T10] [ 381.385362][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 381.385362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.385362][ T10] ipv6_find_idev+0x102/0x170 [ 381.385362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.385362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.385362][ T10] netlink_rcv_skb+0x130/0x360 [ 381.385362][ T10] netlink_unicast+0x449/0x710 [ 381.385362][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.385362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.385362][ T10] ___sys_sendmsg+0xee/0x170 [ 381.385362][ T10] __sys_sendmsg+0xcd/0x170 [ 381.385362][ T10] do_syscall_64+0xc6/0x1e0 [ 381.385362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.385362][ T10] [ 381.387058][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 381.387058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.387058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.387058][ T10] ipv6_find_idev+0x102/0x170 [ 381.387058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.387058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.387058][ T10] netlink_rcv_skb+0x130/0x360 [ 381.387058][ T10] netlink_unicast+0x449/0x710 [ 381.387058][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.387058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.387058][ T10] ___sys_sendmsg+0xee/0x170 [ 381.387058][ T10] __sys_sendmsg+0xcd/0x170 [ 381.387058][ T10] do_syscall_64+0xc6/0x1e0 [ 381.387058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.387058][ T10] [ 381.388955][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 381.389224][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 381.389224][ T10] netdev_get_by_index+0x5e/0x80 [ 381.389224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.389224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.389224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.389224][ T10] ipv6_add_addr+0x411/0x2000 [ 381.389224][ T10] inet6_addr_add+0x30e/0xa40 [ 381.389224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.389224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.389224][ T10] netlink_rcv_skb+0x130/0x360 [ 381.389224][ T10] netlink_unicast+0x449/0x710 [ 381.389224][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.389224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.389224][ T10] ___sys_sendmsg+0xee/0x170 [ 381.389224][ T10] __sys_sendmsg+0xcd/0x170 [ 381.389224][ T10] do_syscall_64+0xc6/0x1e0 [ 381.389224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.389224][ T10] [ 381.391460][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 381.391460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.391460][ T10] ipv6_find_idev+0x102/0x170 [ 381.391460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.391460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.391460][ T10] netlink_rcv_skb+0x130/0x360 [ 381.391460][ T10] netlink_unicast+0x449/0x710 [ 381.391460][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.391460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.391460][ T10] ___sys_sendmsg+0xee/0x170 [ 381.391460][ T10] __sys_sendmsg+0xcd/0x170 [ 381.391460][ T10] do_syscall_64+0xc6/0x1e0 [ 381.391460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.391460][ T10] [ 381.393234][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 381.393234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.393234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.393234][ T10] ipv6_find_idev+0x102/0x170 [ 381.393234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.393234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.393234][ T10] netlink_rcv_skb+0x130/0x360 [ 381.393234][ T10] netlink_unicast+0x449/0x710 [ 381.393234][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.393234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.393234][ T10] ___sys_sendmsg+0xee/0x170 [ 381.393234][ T10] __sys_sendmsg+0xcd/0x170 [ 381.393234][ T10] do_syscall_64+0xc6/0x1e0 [ 381.393234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.393234][ T10] [ 381.395147][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 381.395422][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 381.395422][ T10] netdev_get_by_index+0x5e/0x80 [ 381.395422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 381.395422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 381.395422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 381.395422][ T10] ipv6_add_addr+0x411/0x2000 [ 381.395422][ T10] inet6_addr_add+0x30e/0xa40 [ 381.395422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 381.395422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.395422][ T10] netlink_rcv_skb+0x130/0x360 [ 381.395422][ T10] netlink_unicast+0x449/0x710 [ 381.395422][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.395422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.395422][ T10] ___sys_sendmsg+0xee/0x170 [ 381.395422][ T10] __sys_sendmsg+0xcd/0x170 [ 381.395422][ T10] do_syscall_64+0xc6/0x1e0 [ 381.395422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.395422][ T10] [ 381.397615][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 381.397615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 381.397615][ T10] ipv6_find_idev+0x102/0x170 [ 381.397615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.397615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.397615][ T10] netlink_rcv_skb+0x130/0x360 [ 381.397615][ T10] netlink_unicast+0x449/0x710 [ 381.397615][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.397615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.397615][ T10] ___sys_sendmsg+0xee/0x170 [ 381.397615][ T10] __sys_sendmsg+0xcd/0x170 [ 381.397615][ T10] do_syscall_64+0xc6/0x1e0 [ 381.397615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.397615][ T10] [ 381.399324][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 381.399324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 381.399324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 381.399324][ T10] ipv6_find_idev+0x102/0x170 [ 381.399324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 381.399324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 381.399324][ T10] netlink_rcv_skb+0x130/0x360 [ 381.399324][ T10] netlink_unicast+0x449/0x710 [ 381.399324][ T10] netlink_sendmsg+0x723/0xbe0 [ 381.399324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 381.399324][ T10] ___sys_sendmsg+0xee/0x170 [ 381.399324][ T10] __sys_sendmsg+0xcd/0x170 [ 381.399324][ T10] do_syscall_64+0xc6/0x1e0 [ 381.399324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 381.399324][ T10] [ 391.434941][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 391.435349][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 391.435349][ T10] netdev_get_by_index+0x5e/0x80 [ 391.435349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.435349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.435349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.435349][ T10] ipv6_add_addr+0x411/0x2000 [ 391.435349][ T10] inet6_addr_add+0x30e/0xa40 [ 391.435349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.435349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.435349][ T10] netlink_rcv_skb+0x130/0x360 [ 391.435349][ T10] netlink_unicast+0x449/0x710 [ 391.435349][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.435349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.435349][ T10] ___sys_sendmsg+0xee/0x170 [ 391.435349][ T10] __sys_sendmsg+0xcd/0x170 [ 391.435349][ T10] do_syscall_64+0xc6/0x1e0 [ 391.435349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.435349][ T10] [ 391.437541][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 391.437541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.437541][ T10] ipv6_find_idev+0x102/0x170 [ 391.437541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.437541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.437541][ T10] netlink_rcv_skb+0x130/0x360 [ 391.437541][ T10] netlink_unicast+0x449/0x710 [ 391.437541][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.437541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.437541][ T10] ___sys_sendmsg+0xee/0x170 [ 391.437541][ T10] __sys_sendmsg+0xcd/0x170 [ 391.437541][ T10] do_syscall_64+0xc6/0x1e0 [ 391.437541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.437541][ T10] [ 391.439229][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 391.439229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.439229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.439229][ T10] ipv6_find_idev+0x102/0x170 [ 391.439229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.439229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.439229][ T10] netlink_rcv_skb+0x130/0x360 [ 391.439229][ T10] netlink_unicast+0x449/0x710 [ 391.439229][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.439229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.439229][ T10] ___sys_sendmsg+0xee/0x170 [ 391.439229][ T10] __sys_sendmsg+0xcd/0x170 [ 391.439229][ T10] do_syscall_64+0xc6/0x1e0 [ 391.439229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.439229][ T10] [ 391.440904][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 391.441173][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 391.441173][ T10] netdev_get_by_index+0x5e/0x80 [ 391.441173][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.441173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.441173][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.441173][ T10] ipv6_add_addr+0x411/0x2000 [ 391.441173][ T10] inet6_addr_add+0x30e/0xa40 [ 391.441173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.441173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.441173][ T10] netlink_rcv_skb+0x130/0x360 [ 391.441173][ T10] netlink_unicast+0x449/0x710 [ 391.441173][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.441173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.441173][ T10] ___sys_sendmsg+0xee/0x170 [ 391.441173][ T10] __sys_sendmsg+0xcd/0x170 [ 391.441173][ T10] do_syscall_64+0xc6/0x1e0 [ 391.441173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.441173][ T10] [ 391.443198][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 391.443198][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.443198][ T10] ipv6_find_idev+0x102/0x170 [ 391.443198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.443198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.443198][ T10] netlink_rcv_skb+0x130/0x360 [ 391.443198][ T10] netlink_unicast+0x449/0x710 [ 391.443198][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.443198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.443198][ T10] ___sys_sendmsg+0xee/0x170 [ 391.443198][ T10] __sys_sendmsg+0xcd/0x170 [ 391.443198][ T10] do_syscall_64+0xc6/0x1e0 [ 391.443198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.443198][ T10] [ 391.444757][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 391.444757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.444757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.444757][ T10] ipv6_find_idev+0x102/0x170 [ 391.444757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.444757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.444757][ T10] netlink_rcv_skb+0x130/0x360 [ 391.444757][ T10] netlink_unicast+0x449/0x710 [ 391.444757][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.444757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.444757][ T10] ___sys_sendmsg+0xee/0x170 [ 391.444757][ T10] __sys_sendmsg+0xcd/0x170 [ 391.444757][ T10] do_syscall_64+0xc6/0x1e0 [ 391.444757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.444757][ T10] [ 391.446452][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 391.446724][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 391.446724][ T10] netdev_get_by_index+0x5e/0x80 [ 391.446724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.446724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.446724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.446724][ T10] ipv6_add_addr+0x411/0x2000 [ 391.446724][ T10] inet6_addr_add+0x30e/0xa40 [ 391.446724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.446724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.446724][ T10] netlink_rcv_skb+0x130/0x360 [ 391.446724][ T10] netlink_unicast+0x449/0x710 [ 391.446724][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.446724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.446724][ T10] ___sys_sendmsg+0xee/0x170 [ 391.446724][ T10] __sys_sendmsg+0xcd/0x170 [ 391.446724][ T10] do_syscall_64+0xc6/0x1e0 [ 391.446724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.446724][ T10] [ 391.448735][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 391.448735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.448735][ T10] ipv6_find_idev+0x102/0x170 [ 391.448735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.448735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.448735][ T10] netlink_rcv_skb+0x130/0x360 [ 391.448735][ T10] netlink_unicast+0x449/0x710 [ 391.448735][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.448735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.448735][ T10] ___sys_sendmsg+0xee/0x170 [ 391.448735][ T10] __sys_sendmsg+0xcd/0x170 [ 391.448735][ T10] do_syscall_64+0xc6/0x1e0 [ 391.448735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.448735][ T10] [ 391.450298][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 391.450298][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.450298][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.450298][ T10] ipv6_find_idev+0x102/0x170 [ 391.450298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.450298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.450298][ T10] netlink_rcv_skb+0x130/0x360 [ 391.450298][ T10] netlink_unicast+0x449/0x710 [ 391.450298][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.450298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.450298][ T10] ___sys_sendmsg+0xee/0x170 [ 391.450298][ T10] __sys_sendmsg+0xcd/0x170 [ 391.450298][ T10] do_syscall_64+0xc6/0x1e0 [ 391.450298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.450298][ T10] [ 391.452011][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 391.452278][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 391.452278][ T10] netdev_get_by_index+0x5e/0x80 [ 391.452278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.452278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.452278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.452278][ T10] ipv6_add_addr+0x411/0x2000 [ 391.452278][ T10] inet6_addr_add+0x30e/0xa40 [ 391.452278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.452278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.452278][ T10] netlink_rcv_skb+0x130/0x360 [ 391.452278][ T10] netlink_unicast+0x449/0x710 [ 391.452278][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.452278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.452278][ T10] ___sys_sendmsg+0xee/0x170 [ 391.452278][ T10] __sys_sendmsg+0xcd/0x170 [ 391.452278][ T10] do_syscall_64+0xc6/0x1e0 [ 391.452278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.452278][ T10] [ 391.454295][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 391.454295][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.454295][ T10] ipv6_find_idev+0x102/0x170 [ 391.454295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.454295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.454295][ T10] netlink_rcv_skb+0x130/0x360 [ 391.454295][ T10] netlink_unicast+0x449/0x710 [ 391.454295][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.454295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.454295][ T10] ___sys_sendmsg+0xee/0x170 [ 391.454295][ T10] __sys_sendmsg+0xcd/0x170 [ 391.454295][ T10] do_syscall_64+0xc6/0x1e0 [ 391.454295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.454295][ T10] [ 391.455843][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 391.455843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.455843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.455843][ T10] ipv6_find_idev+0x102/0x170 [ 391.455843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.455843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.455843][ T10] netlink_rcv_skb+0x130/0x360 [ 391.455843][ T10] netlink_unicast+0x449/0x710 [ 391.455843][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.455843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.455843][ T10] ___sys_sendmsg+0xee/0x170 [ 391.455843][ T10] __sys_sendmsg+0xcd/0x170 [ 391.455843][ T10] do_syscall_64+0xc6/0x1e0 [ 391.455843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.455843][ T10] [ 391.457615][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 391.457876][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 391.457876][ T10] netdev_get_by_index+0x5e/0x80 [ 391.457876][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.457876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.457876][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.457876][ T10] ipv6_add_addr+0x411/0x2000 [ 391.457876][ T10] inet6_addr_add+0x30e/0xa40 [ 391.457876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.457876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.457876][ T10] netlink_rcv_skb+0x130/0x360 [ 391.457876][ T10] netlink_unicast+0x449/0x710 [ 391.457876][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.457876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.457876][ T10] ___sys_sendmsg+0xee/0x170 [ 391.457876][ T10] __sys_sendmsg+0xcd/0x170 [ 391.457876][ T10] do_syscall_64+0xc6/0x1e0 [ 391.457876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.457876][ T10] [ 391.459883][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 391.459883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.459883][ T10] ipv6_find_idev+0x102/0x170 [ 391.459883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.459883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.459883][ T10] netlink_rcv_skb+0x130/0x360 [ 391.459883][ T10] netlink_unicast+0x449/0x710 [ 391.459883][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.459883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.459883][ T10] ___sys_sendmsg+0xee/0x170 [ 391.459883][ T10] __sys_sendmsg+0xcd/0x170 [ 391.459883][ T10] do_syscall_64+0xc6/0x1e0 [ 391.459883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.459883][ T10] [ 391.461397][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 391.461397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.461397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.461397][ T10] ipv6_find_idev+0x102/0x170 [ 391.461397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.461397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.461397][ T10] netlink_rcv_skb+0x130/0x360 [ 391.461397][ T10] netlink_unicast+0x449/0x710 [ 391.461397][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.461397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.461397][ T10] ___sys_sendmsg+0xee/0x170 [ 391.461397][ T10] __sys_sendmsg+0xcd/0x170 [ 391.461397][ T10] do_syscall_64+0xc6/0x1e0 [ 391.461397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.461397][ T10] [ 391.463365][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 391.463624][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 391.463624][ T10] netdev_get_by_index+0x5e/0x80 [ 391.463624][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.463624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.463624][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.463624][ T10] ipv6_add_addr+0x411/0x2000 [ 391.463624][ T10] inet6_addr_add+0x30e/0xa40 [ 391.463624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.463624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.463624][ T10] netlink_rcv_skb+0x130/0x360 [ 391.463624][ T10] netlink_unicast+0x449/0x710 [ 391.463624][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.463624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.463624][ T10] ___sys_sendmsg+0xee/0x170 [ 391.463624][ T10] __sys_sendmsg+0xcd/0x170 [ 391.463624][ T10] do_syscall_64+0xc6/0x1e0 [ 391.463624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.463624][ T10] [ 391.465829][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 391.465829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.465829][ T10] ipv6_find_idev+0x102/0x170 [ 391.465829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.465829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.465829][ T10] netlink_rcv_skb+0x130/0x360 [ 391.465829][ T10] netlink_unicast+0x449/0x710 [ 391.465829][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.465829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.465829][ T10] ___sys_sendmsg+0xee/0x170 [ 391.465829][ T10] __sys_sendmsg+0xcd/0x170 [ 391.465829][ T10] do_syscall_64+0xc6/0x1e0 [ 391.465829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.465829][ T10] [ 391.467561][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 391.467561][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.467561][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.467561][ T10] ipv6_find_idev+0x102/0x170 [ 391.467561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.467561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.467561][ T10] netlink_rcv_skb+0x130/0x360 [ 391.467561][ T10] netlink_unicast+0x449/0x710 [ 391.467561][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.467561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.467561][ T10] ___sys_sendmsg+0xee/0x170 [ 391.467561][ T10] __sys_sendmsg+0xcd/0x170 [ 391.467561][ T10] do_syscall_64+0xc6/0x1e0 [ 391.467561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.467561][ T10] [ 391.469524][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 391.469814][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 391.469814][ T10] netdev_get_by_index+0x5e/0x80 [ 391.469814][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.469814][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.469814][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.469814][ T10] ipv6_add_addr+0x411/0x2000 [ 391.469814][ T10] inet6_addr_add+0x30e/0xa40 [ 391.469814][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.469814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.469814][ T10] netlink_rcv_skb+0x130/0x360 [ 391.469814][ T10] netlink_unicast+0x449/0x710 [ 391.469814][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.469814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.469814][ T10] ___sys_sendmsg+0xee/0x170 [ 391.469814][ T10] __sys_sendmsg+0xcd/0x170 [ 391.469814][ T10] do_syscall_64+0xc6/0x1e0 [ 391.469814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.469814][ T10] [ 391.472210][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 391.472210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.472210][ T10] ipv6_find_idev+0x102/0x170 [ 391.472210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.472210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.472210][ T10] netlink_rcv_skb+0x130/0x360 [ 391.472210][ T10] netlink_unicast+0x449/0x710 [ 391.472210][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.472210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.472210][ T10] ___sys_sendmsg+0xee/0x170 [ 391.472210][ T10] __sys_sendmsg+0xcd/0x170 [ 391.472210][ T10] do_syscall_64+0xc6/0x1e0 [ 391.472210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.472210][ T10] [ 391.474079][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 391.474079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.474079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.474079][ T10] ipv6_find_idev+0x102/0x170 [ 391.474079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.474079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.474079][ T10] netlink_rcv_skb+0x130/0x360 [ 391.474079][ T10] netlink_unicast+0x449/0x710 [ 391.474079][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.474079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.474079][ T10] ___sys_sendmsg+0xee/0x170 [ 391.474079][ T10] __sys_sendmsg+0xcd/0x170 [ 391.474079][ T10] do_syscall_64+0xc6/0x1e0 [ 391.474079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.474079][ T10] [ 391.476083][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 391.476601][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 391.476601][ T10] netdev_get_by_index+0x5e/0x80 [ 391.476601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 391.476601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 391.476601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 391.476601][ T10] ipv6_add_addr+0x411/0x2000 [ 391.476601][ T10] inet6_addr_add+0x30e/0xa40 [ 391.476601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 391.476601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.476601][ T10] netlink_rcv_skb+0x130/0x360 [ 391.476601][ T10] netlink_unicast+0x449/0x710 [ 391.476601][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.476601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.476601][ T10] ___sys_sendmsg+0xee/0x170 [ 391.476601][ T10] __sys_sendmsg+0xcd/0x170 [ 391.476601][ T10] do_syscall_64+0xc6/0x1e0 [ 391.476601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.476601][ T10] [ 391.478927][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 391.478927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 391.478927][ T10] ipv6_find_idev+0x102/0x170 [ 391.478927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.478927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.478927][ T10] netlink_rcv_skb+0x130/0x360 [ 391.478927][ T10] netlink_unicast+0x449/0x710 [ 391.478927][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.478927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.478927][ T10] ___sys_sendmsg+0xee/0x170 [ 391.478927][ T10] __sys_sendmsg+0xcd/0x170 [ 391.478927][ T10] do_syscall_64+0xc6/0x1e0 [ 391.478927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.478927][ T10] [ 391.480669][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 391.480669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 391.480669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 391.480669][ T10] ipv6_find_idev+0x102/0x170 [ 391.480669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 391.480669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 391.480669][ T10] netlink_rcv_skb+0x130/0x360 [ 391.480669][ T10] netlink_unicast+0x449/0x710 [ 391.480669][ T10] netlink_sendmsg+0x723/0xbe0 [ 391.480669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 391.480669][ T10] ___sys_sendmsg+0xee/0x170 [ 391.480669][ T10] __sys_sendmsg+0xcd/0x170 [ 391.480669][ T10] do_syscall_64+0xc6/0x1e0 [ 391.480669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 391.480669][ T10] [ 401.498941][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 401.499554][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 401.499554][ T10] netdev_get_by_index+0x5e/0x80 [ 401.499554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.499554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.499554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.499554][ T10] ipv6_add_addr+0x411/0x2000 [ 401.499554][ T10] inet6_addr_add+0x30e/0xa40 [ 401.499554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.499554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.499554][ T10] netlink_rcv_skb+0x130/0x360 [ 401.499554][ T10] netlink_unicast+0x449/0x710 [ 401.499554][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.499554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.499554][ T10] ___sys_sendmsg+0xee/0x170 [ 401.499554][ T10] __sys_sendmsg+0xcd/0x170 [ 401.499554][ T10] do_syscall_64+0xc6/0x1e0 [ 401.499554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.499554][ T10] [ 401.502606][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 401.502606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.502606][ T10] ipv6_find_idev+0x102/0x170 [ 401.502606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.502606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.502606][ T10] netlink_rcv_skb+0x130/0x360 [ 401.502606][ T10] netlink_unicast+0x449/0x710 [ 401.502606][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.502606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.502606][ T10] ___sys_sendmsg+0xee/0x170 [ 401.502606][ T10] __sys_sendmsg+0xcd/0x170 [ 401.502606][ T10] do_syscall_64+0xc6/0x1e0 [ 401.502606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.502606][ T10] [ 401.504926][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 401.504926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.504926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.504926][ T10] ipv6_find_idev+0x102/0x170 [ 401.504926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.504926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.504926][ T10] netlink_rcv_skb+0x130/0x360 [ 401.504926][ T10] netlink_unicast+0x449/0x710 [ 401.504926][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.504926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.504926][ T10] ___sys_sendmsg+0xee/0x170 [ 401.504926][ T10] __sys_sendmsg+0xcd/0x170 [ 401.504926][ T10] do_syscall_64+0xc6/0x1e0 [ 401.504926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.504926][ T10] [ 401.507660][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 401.508122][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 401.508122][ T10] netdev_get_by_index+0x5e/0x80 [ 401.508122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.508122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.508122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.508122][ T10] ipv6_add_addr+0x411/0x2000 [ 401.508122][ T10] inet6_addr_add+0x30e/0xa40 [ 401.508122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.508122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.508122][ T10] netlink_rcv_skb+0x130/0x360 [ 401.508122][ T10] netlink_unicast+0x449/0x710 [ 401.508122][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.508122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.508122][ T10] ___sys_sendmsg+0xee/0x170 [ 401.508122][ T10] __sys_sendmsg+0xcd/0x170 [ 401.508122][ T10] do_syscall_64+0xc6/0x1e0 [ 401.508122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.508122][ T10] [ 401.511276][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 401.511276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.511276][ T10] ipv6_find_idev+0x102/0x170 [ 401.511276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.511276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.511276][ T10] netlink_rcv_skb+0x130/0x360 [ 401.511276][ T10] netlink_unicast+0x449/0x710 [ 401.511276][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.511276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.511276][ T10] ___sys_sendmsg+0xee/0x170 [ 401.511276][ T10] __sys_sendmsg+0xcd/0x170 [ 401.511276][ T10] do_syscall_64+0xc6/0x1e0 [ 401.511276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.511276][ T10] [ 401.513718][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 401.513718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.513718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.513718][ T10] ipv6_find_idev+0x102/0x170 [ 401.513718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.513718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.513718][ T10] netlink_rcv_skb+0x130/0x360 [ 401.513718][ T10] netlink_unicast+0x449/0x710 [ 401.513718][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.513718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.513718][ T10] ___sys_sendmsg+0xee/0x170 [ 401.513718][ T10] __sys_sendmsg+0xcd/0x170 [ 401.513718][ T10] do_syscall_64+0xc6/0x1e0 [ 401.513718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.513718][ T10] [ 401.516406][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 401.516843][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 401.516843][ T10] netdev_get_by_index+0x5e/0x80 [ 401.516843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.516843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.516843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.516843][ T10] ipv6_add_addr+0x411/0x2000 [ 401.516843][ T10] inet6_addr_add+0x30e/0xa40 [ 401.516843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.516843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.516843][ T10] netlink_rcv_skb+0x130/0x360 [ 401.516843][ T10] netlink_unicast+0x449/0x710 [ 401.516843][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.516843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.516843][ T10] ___sys_sendmsg+0xee/0x170 [ 401.516843][ T10] __sys_sendmsg+0xcd/0x170 [ 401.516843][ T10] do_syscall_64+0xc6/0x1e0 [ 401.516843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.516843][ T10] [ 401.520024][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 401.520024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.520024][ T10] ipv6_find_idev+0x102/0x170 [ 401.520024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.520024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.520024][ T10] netlink_rcv_skb+0x130/0x360 [ 401.520024][ T10] netlink_unicast+0x449/0x710 [ 401.520024][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.520024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.520024][ T10] ___sys_sendmsg+0xee/0x170 [ 401.520024][ T10] __sys_sendmsg+0xcd/0x170 [ 401.520024][ T10] do_syscall_64+0xc6/0x1e0 [ 401.520024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.520024][ T10] [ 401.522483][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 401.522483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.522483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.522483][ T10] ipv6_find_idev+0x102/0x170 [ 401.522483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.522483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.522483][ T10] netlink_rcv_skb+0x130/0x360 [ 401.522483][ T10] netlink_unicast+0x449/0x710 [ 401.522483][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.522483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.522483][ T10] ___sys_sendmsg+0xee/0x170 [ 401.522483][ T10] __sys_sendmsg+0xcd/0x170 [ 401.522483][ T10] do_syscall_64+0xc6/0x1e0 [ 401.522483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.522483][ T10] [ 401.525086][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 401.525488][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 401.525488][ T10] netdev_get_by_index+0x5e/0x80 [ 401.525488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.525488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.525488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.525488][ T10] ipv6_add_addr+0x411/0x2000 [ 401.525488][ T10] inet6_addr_add+0x30e/0xa40 [ 401.525488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.525488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.525488][ T10] netlink_rcv_skb+0x130/0x360 [ 401.525488][ T10] netlink_unicast+0x449/0x710 [ 401.525488][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.525488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.525488][ T10] ___sys_sendmsg+0xee/0x170 [ 401.525488][ T10] __sys_sendmsg+0xcd/0x170 [ 401.525488][ T10] do_syscall_64+0xc6/0x1e0 [ 401.525488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.525488][ T10] [ 401.528489][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 401.528489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.528489][ T10] ipv6_find_idev+0x102/0x170 [ 401.528489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.528489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.528489][ T10] netlink_rcv_skb+0x130/0x360 [ 401.528489][ T10] netlink_unicast+0x449/0x710 [ 401.528489][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.528489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.528489][ T10] ___sys_sendmsg+0xee/0x170 [ 401.528489][ T10] __sys_sendmsg+0xcd/0x170 [ 401.528489][ T10] do_syscall_64+0xc6/0x1e0 [ 401.528489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.528489][ T10] [ 401.530805][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 401.530805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.530805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.530805][ T10] ipv6_find_idev+0x102/0x170 [ 401.530805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.530805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.530805][ T10] netlink_rcv_skb+0x130/0x360 [ 401.530805][ T10] netlink_unicast+0x449/0x710 [ 401.530805][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.530805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.530805][ T10] ___sys_sendmsg+0xee/0x170 [ 401.530805][ T10] __sys_sendmsg+0xcd/0x170 [ 401.530805][ T10] do_syscall_64+0xc6/0x1e0 [ 401.530805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.530805][ T10] [ 401.534250][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 401.535332][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 401.535332][ T10] netdev_get_by_index+0x5e/0x80 [ 401.535332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.535332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.535332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.535332][ T10] ipv6_add_addr+0x411/0x2000 [ 401.535332][ T10] inet6_addr_add+0x30e/0xa40 [ 401.535332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.535332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.535332][ T10] netlink_rcv_skb+0x130/0x360 [ 401.535332][ T10] netlink_unicast+0x449/0x710 [ 401.535332][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.535332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.535332][ T10] ___sys_sendmsg+0xee/0x170 [ 401.535332][ T10] __sys_sendmsg+0xcd/0x170 [ 401.535332][ T10] do_syscall_64+0xc6/0x1e0 [ 401.535332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.535332][ T10] [ 401.538471][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 401.538471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.538471][ T10] ipv6_find_idev+0x102/0x170 [ 401.538471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.538471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.538471][ T10] netlink_rcv_skb+0x130/0x360 [ 401.538471][ T10] netlink_unicast+0x449/0x710 [ 401.538471][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.538471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.538471][ T10] ___sys_sendmsg+0xee/0x170 [ 401.538471][ T10] __sys_sendmsg+0xcd/0x170 [ 401.538471][ T10] do_syscall_64+0xc6/0x1e0 [ 401.538471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.538471][ T10] [ 401.540851][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 401.540851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.540851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.540851][ T10] ipv6_find_idev+0x102/0x170 [ 401.540851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.540851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.540851][ T10] netlink_rcv_skb+0x130/0x360 [ 401.540851][ T10] netlink_unicast+0x449/0x710 [ 401.540851][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.540851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.540851][ T10] ___sys_sendmsg+0xee/0x170 [ 401.540851][ T10] __sys_sendmsg+0xcd/0x170 [ 401.540851][ T10] do_syscall_64+0xc6/0x1e0 [ 401.540851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.540851][ T10] [ 401.543496][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 401.544054][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 401.544054][ T10] netdev_get_by_index+0x5e/0x80 [ 401.544054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.544054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.544054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.544054][ T10] ipv6_add_addr+0x411/0x2000 [ 401.544054][ T10] inet6_addr_add+0x30e/0xa40 [ 401.544054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.544054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.544054][ T10] netlink_rcv_skb+0x130/0x360 [ 401.544054][ T10] netlink_unicast+0x449/0x710 [ 401.544054][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.544054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.544054][ T10] ___sys_sendmsg+0xee/0x170 [ 401.544054][ T10] __sys_sendmsg+0xcd/0x170 [ 401.544054][ T10] do_syscall_64+0xc6/0x1e0 [ 401.544054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.544054][ T10] [ 401.547152][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 401.547152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.547152][ T10] ipv6_find_idev+0x102/0x170 [ 401.547152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.547152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.547152][ T10] netlink_rcv_skb+0x130/0x360 [ 401.547152][ T10] netlink_unicast+0x449/0x710 [ 401.547152][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.547152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.547152][ T10] ___sys_sendmsg+0xee/0x170 [ 401.547152][ T10] __sys_sendmsg+0xcd/0x170 [ 401.547152][ T10] do_syscall_64+0xc6/0x1e0 [ 401.547152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.547152][ T10] [ 401.549611][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 401.549611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.549611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.549611][ T10] ipv6_find_idev+0x102/0x170 [ 401.549611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.549611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.549611][ T10] netlink_rcv_skb+0x130/0x360 [ 401.549611][ T10] netlink_unicast+0x449/0x710 [ 401.549611][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.549611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.549611][ T10] ___sys_sendmsg+0xee/0x170 [ 401.549611][ T10] __sys_sendmsg+0xcd/0x170 [ 401.549611][ T10] do_syscall_64+0xc6/0x1e0 [ 401.549611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.549611][ T10] [ 401.552852][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 401.553351][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 401.553351][ T10] netdev_get_by_index+0x5e/0x80 [ 401.553351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.553351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.553351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.553351][ T10] ipv6_add_addr+0x411/0x2000 [ 401.553351][ T10] inet6_addr_add+0x30e/0xa40 [ 401.553351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.553351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.553351][ T10] netlink_rcv_skb+0x130/0x360 [ 401.553351][ T10] netlink_unicast+0x449/0x710 [ 401.553351][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.553351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.553351][ T10] ___sys_sendmsg+0xee/0x170 [ 401.553351][ T10] __sys_sendmsg+0xcd/0x170 [ 401.553351][ T10] do_syscall_64+0xc6/0x1e0 [ 401.553351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.553351][ T10] [ 401.556761][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 401.556761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.556761][ T10] ipv6_find_idev+0x102/0x170 [ 401.556761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.556761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.556761][ T10] netlink_rcv_skb+0x130/0x360 [ 401.556761][ T10] netlink_unicast+0x449/0x710 [ 401.556761][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.556761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.556761][ T10] ___sys_sendmsg+0xee/0x170 [ 401.556761][ T10] __sys_sendmsg+0xcd/0x170 [ 401.556761][ T10] do_syscall_64+0xc6/0x1e0 [ 401.556761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.556761][ T10] [ 401.559432][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 401.559432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.559432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.559432][ T10] ipv6_find_idev+0x102/0x170 [ 401.559432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.559432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.559432][ T10] netlink_rcv_skb+0x130/0x360 [ 401.559432][ T10] netlink_unicast+0x449/0x710 [ 401.559432][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.559432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.559432][ T10] ___sys_sendmsg+0xee/0x170 [ 401.559432][ T10] __sys_sendmsg+0xcd/0x170 [ 401.559432][ T10] do_syscall_64+0xc6/0x1e0 [ 401.559432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.559432][ T10] [ 401.562491][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 401.563043][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 401.563043][ T10] netdev_get_by_index+0x5e/0x80 [ 401.563043][ T10] fib6_nh_init+0x3d8/0x15b0 [ 401.563043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 401.563043][ T10] addrconf_f6i_alloc+0x244/0x410 [ 401.563043][ T10] ipv6_add_addr+0x411/0x2000 [ 401.563043][ T10] inet6_addr_add+0x30e/0xa40 [ 401.563043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 401.563043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.563043][ T10] netlink_rcv_skb+0x130/0x360 [ 401.563043][ T10] netlink_unicast+0x449/0x710 [ 401.563043][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.563043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.563043][ T10] ___sys_sendmsg+0xee/0x170 [ 401.563043][ T10] __sys_sendmsg+0xcd/0x170 [ 401.563043][ T10] do_syscall_64+0xc6/0x1e0 [ 401.563043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.563043][ T10] [ 401.566294][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 401.566294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 401.566294][ T10] ipv6_find_idev+0x102/0x170 [ 401.566294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.566294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.566294][ T10] netlink_rcv_skb+0x130/0x360 [ 401.566294][ T10] netlink_unicast+0x449/0x710 [ 401.566294][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.566294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.566294][ T10] ___sys_sendmsg+0xee/0x170 [ 401.566294][ T10] __sys_sendmsg+0xcd/0x170 [ 401.566294][ T10] do_syscall_64+0xc6/0x1e0 [ 401.566294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.566294][ T10] [ 401.569351][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 401.569351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 401.569351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 401.569351][ T10] ipv6_find_idev+0x102/0x170 [ 401.569351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 401.569351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 401.569351][ T10] netlink_rcv_skb+0x130/0x360 [ 401.569351][ T10] netlink_unicast+0x449/0x710 [ 401.569351][ T10] netlink_sendmsg+0x723/0xbe0 [ 401.569351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 401.569351][ T10] ___sys_sendmsg+0xee/0x170 [ 401.569351][ T10] __sys_sendmsg+0xcd/0x170 [ 401.569351][ T10] do_syscall_64+0xc6/0x1e0 [ 401.569351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 401.569351][ T10] [ 411.810975][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 411.811575][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 411.811575][ T10] netdev_get_by_index+0x5e/0x80 [ 411.811575][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.811575][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.811575][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.811575][ T10] ipv6_add_addr+0x411/0x2000 [ 411.811575][ T10] inet6_addr_add+0x30e/0xa40 [ 411.811575][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.811575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.811575][ T10] netlink_rcv_skb+0x130/0x360 [ 411.811575][ T10] netlink_unicast+0x449/0x710 [ 411.811575][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.811575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.811575][ T10] ___sys_sendmsg+0xee/0x170 [ 411.811575][ T10] __sys_sendmsg+0xcd/0x170 [ 411.811575][ T10] do_syscall_64+0xc6/0x1e0 [ 411.811575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.811575][ T10] [ 411.814468][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 411.814468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.814468][ T10] ipv6_find_idev+0x102/0x170 [ 411.814468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.814468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.814468][ T10] netlink_rcv_skb+0x130/0x360 [ 411.814468][ T10] netlink_unicast+0x449/0x710 [ 411.814468][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.814468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.814468][ T10] ___sys_sendmsg+0xee/0x170 [ 411.814468][ T10] __sys_sendmsg+0xcd/0x170 [ 411.814468][ T10] do_syscall_64+0xc6/0x1e0 [ 411.814468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.814468][ T10] [ 411.816031][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 411.816031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.816031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.816031][ T10] ipv6_find_idev+0x102/0x170 [ 411.816031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.816031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.816031][ T10] netlink_rcv_skb+0x130/0x360 [ 411.816031][ T10] netlink_unicast+0x449/0x710 [ 411.816031][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.816031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.816031][ T10] ___sys_sendmsg+0xee/0x170 [ 411.816031][ T10] __sys_sendmsg+0xcd/0x170 [ 411.816031][ T10] do_syscall_64+0xc6/0x1e0 [ 411.816031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.816031][ T10] [ 411.817754][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 411.818087][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 411.818087][ T10] netdev_get_by_index+0x5e/0x80 [ 411.818087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.818087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.818087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.818087][ T10] ipv6_add_addr+0x411/0x2000 [ 411.818087][ T10] inet6_addr_add+0x30e/0xa40 [ 411.818087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.818087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.818087][ T10] netlink_rcv_skb+0x130/0x360 [ 411.818087][ T10] netlink_unicast+0x449/0x710 [ 411.818087][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.818087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.818087][ T10] ___sys_sendmsg+0xee/0x170 [ 411.818087][ T10] __sys_sendmsg+0xcd/0x170 [ 411.818087][ T10] do_syscall_64+0xc6/0x1e0 [ 411.818087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.818087][ T10] [ 411.820116][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 411.820116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.820116][ T10] ipv6_find_idev+0x102/0x170 [ 411.820116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.820116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.820116][ T10] netlink_rcv_skb+0x130/0x360 [ 411.820116][ T10] netlink_unicast+0x449/0x710 [ 411.820116][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.820116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.820116][ T10] ___sys_sendmsg+0xee/0x170 [ 411.820116][ T10] __sys_sendmsg+0xcd/0x170 [ 411.820116][ T10] do_syscall_64+0xc6/0x1e0 [ 411.820116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.820116][ T10] [ 411.821686][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 411.821686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.821686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.821686][ T10] ipv6_find_idev+0x102/0x170 [ 411.821686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.821686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.821686][ T10] netlink_rcv_skb+0x130/0x360 [ 411.821686][ T10] netlink_unicast+0x449/0x710 [ 411.821686][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.821686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.821686][ T10] ___sys_sendmsg+0xee/0x170 [ 411.821686][ T10] __sys_sendmsg+0xcd/0x170 [ 411.821686][ T10] do_syscall_64+0xc6/0x1e0 [ 411.821686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.821686][ T10] [ 411.823470][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 411.823957][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 411.823957][ T10] netdev_get_by_index+0x5e/0x80 [ 411.823957][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.823957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.823957][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.823957][ T10] ipv6_add_addr+0x411/0x2000 [ 411.823957][ T10] inet6_addr_add+0x30e/0xa40 [ 411.823957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.823957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.823957][ T10] netlink_rcv_skb+0x130/0x360 [ 411.823957][ T10] netlink_unicast+0x449/0x710 [ 411.823957][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.823957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.823957][ T10] ___sys_sendmsg+0xee/0x170 [ 411.823957][ T10] __sys_sendmsg+0xcd/0x170 [ 411.823957][ T10] do_syscall_64+0xc6/0x1e0 [ 411.823957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.823957][ T10] [ 411.827330][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 411.827330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.827330][ T10] ipv6_find_idev+0x102/0x170 [ 411.827330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.827330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.827330][ T10] netlink_rcv_skb+0x130/0x360 [ 411.827330][ T10] netlink_unicast+0x449/0x710 [ 411.827330][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.827330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.827330][ T10] ___sys_sendmsg+0xee/0x170 [ 411.827330][ T10] __sys_sendmsg+0xcd/0x170 [ 411.827330][ T10] do_syscall_64+0xc6/0x1e0 [ 411.827330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.827330][ T10] [ 411.829759][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 411.829759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.829759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.829759][ T10] ipv6_find_idev+0x102/0x170 [ 411.829759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.829759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.829759][ T10] netlink_rcv_skb+0x130/0x360 [ 411.829759][ T10] netlink_unicast+0x449/0x710 [ 411.829759][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.829759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.829759][ T10] ___sys_sendmsg+0xee/0x170 [ 411.829759][ T10] __sys_sendmsg+0xcd/0x170 [ 411.829759][ T10] do_syscall_64+0xc6/0x1e0 [ 411.829759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.829759][ T10] [ 411.832444][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 411.832867][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 411.832867][ T10] netdev_get_by_index+0x5e/0x80 [ 411.832867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.832867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.832867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.832867][ T10] ipv6_add_addr+0x411/0x2000 [ 411.832867][ T10] inet6_addr_add+0x30e/0xa40 [ 411.832867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.832867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.832867][ T10] netlink_rcv_skb+0x130/0x360 [ 411.832867][ T10] netlink_unicast+0x449/0x710 [ 411.832867][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.832867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.832867][ T10] ___sys_sendmsg+0xee/0x170 [ 411.832867][ T10] __sys_sendmsg+0xcd/0x170 [ 411.832867][ T10] do_syscall_64+0xc6/0x1e0 [ 411.832867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.832867][ T10] [ 411.835648][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 411.835648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.835648][ T10] ipv6_find_idev+0x102/0x170 [ 411.835648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.835648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.835648][ T10] netlink_rcv_skb+0x130/0x360 [ 411.835648][ T10] netlink_unicast+0x449/0x710 [ 411.835648][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.835648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.835648][ T10] ___sys_sendmsg+0xee/0x170 [ 411.835648][ T10] __sys_sendmsg+0xcd/0x170 [ 411.835648][ T10] do_syscall_64+0xc6/0x1e0 [ 411.835648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.835648][ T10] [ 411.838077][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 411.838077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.838077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.838077][ T10] ipv6_find_idev+0x102/0x170 [ 411.838077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.838077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.838077][ T10] netlink_rcv_skb+0x130/0x360 [ 411.838077][ T10] netlink_unicast+0x449/0x710 [ 411.838077][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.838077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.838077][ T10] ___sys_sendmsg+0xee/0x170 [ 411.838077][ T10] __sys_sendmsg+0xcd/0x170 [ 411.838077][ T10] do_syscall_64+0xc6/0x1e0 [ 411.838077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.838077][ T10] [ 411.841519][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 411.842603][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 411.842603][ T10] netdev_get_by_index+0x5e/0x80 [ 411.842603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.842603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.842603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.842603][ T10] ipv6_add_addr+0x411/0x2000 [ 411.842603][ T10] inet6_addr_add+0x30e/0xa40 [ 411.842603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.842603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.842603][ T10] netlink_rcv_skb+0x130/0x360 [ 411.842603][ T10] netlink_unicast+0x449/0x710 [ 411.842603][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.842603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.842603][ T10] ___sys_sendmsg+0xee/0x170 [ 411.842603][ T10] __sys_sendmsg+0xcd/0x170 [ 411.842603][ T10] do_syscall_64+0xc6/0x1e0 [ 411.842603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.842603][ T10] [ 411.845748][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 411.845748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.845748][ T10] ipv6_find_idev+0x102/0x170 [ 411.845748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.845748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.845748][ T10] netlink_rcv_skb+0x130/0x360 [ 411.845748][ T10] netlink_unicast+0x449/0x710 [ 411.845748][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.845748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.845748][ T10] ___sys_sendmsg+0xee/0x170 [ 411.845748][ T10] __sys_sendmsg+0xcd/0x170 [ 411.845748][ T10] do_syscall_64+0xc6/0x1e0 [ 411.845748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.845748][ T10] [ 411.847315][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 411.847315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.847315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.847315][ T10] ipv6_find_idev+0x102/0x170 [ 411.847315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.847315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.847315][ T10] netlink_rcv_skb+0x130/0x360 [ 411.847315][ T10] netlink_unicast+0x449/0x710 [ 411.847315][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.847315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.847315][ T10] ___sys_sendmsg+0xee/0x170 [ 411.847315][ T10] __sys_sendmsg+0xcd/0x170 [ 411.847315][ T10] do_syscall_64+0xc6/0x1e0 [ 411.847315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.847315][ T10] [ 411.849007][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 411.849319][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 411.849319][ T10] netdev_get_by_index+0x5e/0x80 [ 411.849319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.849319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.849319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.849319][ T10] ipv6_add_addr+0x411/0x2000 [ 411.849319][ T10] inet6_addr_add+0x30e/0xa40 [ 411.849319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.849319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.849319][ T10] netlink_rcv_skb+0x130/0x360 [ 411.849319][ T10] netlink_unicast+0x449/0x710 [ 411.849319][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.849319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.849319][ T10] ___sys_sendmsg+0xee/0x170 [ 411.849319][ T10] __sys_sendmsg+0xcd/0x170 [ 411.849319][ T10] do_syscall_64+0xc6/0x1e0 [ 411.849319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.849319][ T10] [ 411.851516][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 411.851516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.851516][ T10] ipv6_find_idev+0x102/0x170 [ 411.851516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.851516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.851516][ T10] netlink_rcv_skb+0x130/0x360 [ 411.851516][ T10] netlink_unicast+0x449/0x710 [ 411.851516][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.851516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.851516][ T10] ___sys_sendmsg+0xee/0x170 [ 411.851516][ T10] __sys_sendmsg+0xcd/0x170 [ 411.851516][ T10] do_syscall_64+0xc6/0x1e0 [ 411.851516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.851516][ T10] [ 411.853122][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 411.853122][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.853122][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.853122][ T10] ipv6_find_idev+0x102/0x170 [ 411.853122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.853122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.853122][ T10] netlink_rcv_skb+0x130/0x360 [ 411.853122][ T10] netlink_unicast+0x449/0x710 [ 411.853122][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.853122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.853122][ T10] ___sys_sendmsg+0xee/0x170 [ 411.853122][ T10] __sys_sendmsg+0xcd/0x170 [ 411.853122][ T10] do_syscall_64+0xc6/0x1e0 [ 411.853122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.853122][ T10] [ 411.855125][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 411.855439][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 411.855439][ T10] netdev_get_by_index+0x5e/0x80 [ 411.855439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.855439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.855439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.855439][ T10] ipv6_add_addr+0x411/0x2000 [ 411.855439][ T10] inet6_addr_add+0x30e/0xa40 [ 411.855439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.855439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.855439][ T10] netlink_rcv_skb+0x130/0x360 [ 411.855439][ T10] netlink_unicast+0x449/0x710 [ 411.855439][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.855439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.855439][ T10] ___sys_sendmsg+0xee/0x170 [ 411.855439][ T10] __sys_sendmsg+0xcd/0x170 [ 411.855439][ T10] do_syscall_64+0xc6/0x1e0 [ 411.855439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.855439][ T10] [ 411.858362][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 411.858362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.858362][ T10] ipv6_find_idev+0x102/0x170 [ 411.858362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.858362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.858362][ T10] netlink_rcv_skb+0x130/0x360 [ 411.858362][ T10] netlink_unicast+0x449/0x710 [ 411.858362][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.858362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.858362][ T10] ___sys_sendmsg+0xee/0x170 [ 411.858362][ T10] __sys_sendmsg+0xcd/0x170 [ 411.858362][ T10] do_syscall_64+0xc6/0x1e0 [ 411.858362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.858362][ T10] [ 411.861161][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 411.861161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.861161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.861161][ T10] ipv6_find_idev+0x102/0x170 [ 411.861161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.861161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.861161][ T10] netlink_rcv_skb+0x130/0x360 [ 411.861161][ T10] netlink_unicast+0x449/0x710 [ 411.861161][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.861161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.861161][ T10] ___sys_sendmsg+0xee/0x170 [ 411.861161][ T10] __sys_sendmsg+0xcd/0x170 [ 411.861161][ T10] do_syscall_64+0xc6/0x1e0 [ 411.861161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.861161][ T10] [ 411.864263][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 411.864769][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 411.864769][ T10] netdev_get_by_index+0x5e/0x80 [ 411.864769][ T10] fib6_nh_init+0x3d8/0x15b0 [ 411.864769][ T10] ip6_route_info_create+0xf18/0x17d0 [ 411.864769][ T10] addrconf_f6i_alloc+0x244/0x410 [ 411.864769][ T10] ipv6_add_addr+0x411/0x2000 [ 411.864769][ T10] inet6_addr_add+0x30e/0xa40 [ 411.864769][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 411.864769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.864769][ T10] netlink_rcv_skb+0x130/0x360 [ 411.864769][ T10] netlink_unicast+0x449/0x710 [ 411.864769][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.864769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.864769][ T10] ___sys_sendmsg+0xee/0x170 [ 411.864769][ T10] __sys_sendmsg+0xcd/0x170 [ 411.864769][ T10] do_syscall_64+0xc6/0x1e0 [ 411.864769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.864769][ T10] [ 411.867842][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 411.867842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 411.867842][ T10] ipv6_find_idev+0x102/0x170 [ 411.867842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.867842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.867842][ T10] netlink_rcv_skb+0x130/0x360 [ 411.867842][ T10] netlink_unicast+0x449/0x710 [ 411.867842][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.867842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.867842][ T10] ___sys_sendmsg+0xee/0x170 [ 411.867842][ T10] __sys_sendmsg+0xcd/0x170 [ 411.867842][ T10] do_syscall_64+0xc6/0x1e0 [ 411.867842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.867842][ T10] [ 411.870642][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 411.870642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 411.870642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 411.870642][ T10] ipv6_find_idev+0x102/0x170 [ 411.870642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 411.870642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 411.870642][ T10] netlink_rcv_skb+0x130/0x360 [ 411.870642][ T10] netlink_unicast+0x449/0x710 [ 411.870642][ T10] netlink_sendmsg+0x723/0xbe0 [ 411.870642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 411.870642][ T10] ___sys_sendmsg+0xee/0x170 [ 411.870642][ T10] __sys_sendmsg+0xcd/0x170 [ 411.870642][ T10] do_syscall_64+0xc6/0x1e0 [ 411.870642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 411.870642][ T10] [ 421.898960][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 421.899356][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 421.899356][ T10] netdev_get_by_index+0x5e/0x80 [ 421.899356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.899356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.899356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.899356][ T10] ipv6_add_addr+0x411/0x2000 [ 421.899356][ T10] inet6_addr_add+0x30e/0xa40 [ 421.899356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.899356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.899356][ T10] netlink_rcv_skb+0x130/0x360 [ 421.899356][ T10] netlink_unicast+0x449/0x710 [ 421.899356][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.899356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.899356][ T10] ___sys_sendmsg+0xee/0x170 [ 421.899356][ T10] __sys_sendmsg+0xcd/0x170 [ 421.899356][ T10] do_syscall_64+0xc6/0x1e0 [ 421.899356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.899356][ T10] [ 421.901318][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 421.901318][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.901318][ T10] ipv6_find_idev+0x102/0x170 [ 421.901318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.901318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.901318][ T10] netlink_rcv_skb+0x130/0x360 [ 421.901318][ T10] netlink_unicast+0x449/0x710 [ 421.901318][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.901318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.901318][ T10] ___sys_sendmsg+0xee/0x170 [ 421.901318][ T10] __sys_sendmsg+0xcd/0x170 [ 421.901318][ T10] do_syscall_64+0xc6/0x1e0 [ 421.901318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.901318][ T10] [ 421.902850][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 421.902850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.902850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.902850][ T10] ipv6_find_idev+0x102/0x170 [ 421.902850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.902850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.902850][ T10] netlink_rcv_skb+0x130/0x360 [ 421.902850][ T10] netlink_unicast+0x449/0x710 [ 421.902850][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.902850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.902850][ T10] ___sys_sendmsg+0xee/0x170 [ 421.902850][ T10] __sys_sendmsg+0xcd/0x170 [ 421.902850][ T10] do_syscall_64+0xc6/0x1e0 [ 421.902850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.902850][ T10] [ 421.904505][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 421.904768][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 421.904768][ T10] netdev_get_by_index+0x5e/0x80 [ 421.904768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.904768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.904768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.904768][ T10] ipv6_add_addr+0x411/0x2000 [ 421.904768][ T10] inet6_addr_add+0x30e/0xa40 [ 421.904768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.904768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.904768][ T10] netlink_rcv_skb+0x130/0x360 [ 421.904768][ T10] netlink_unicast+0x449/0x710 [ 421.904768][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.904768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.904768][ T10] ___sys_sendmsg+0xee/0x170 [ 421.904768][ T10] __sys_sendmsg+0xcd/0x170 [ 421.904768][ T10] do_syscall_64+0xc6/0x1e0 [ 421.904768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.904768][ T10] [ 421.906716][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 421.906716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.906716][ T10] ipv6_find_idev+0x102/0x170 [ 421.906716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.906716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.906716][ T10] netlink_rcv_skb+0x130/0x360 [ 421.906716][ T10] netlink_unicast+0x449/0x710 [ 421.906716][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.906716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.906716][ T10] ___sys_sendmsg+0xee/0x170 [ 421.906716][ T10] __sys_sendmsg+0xcd/0x170 [ 421.906716][ T10] do_syscall_64+0xc6/0x1e0 [ 421.906716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.906716][ T10] [ 421.908232][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 421.908232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.908232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.908232][ T10] ipv6_find_idev+0x102/0x170 [ 421.908232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.908232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.908232][ T10] netlink_rcv_skb+0x130/0x360 [ 421.908232][ T10] netlink_unicast+0x449/0x710 [ 421.908232][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.908232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.908232][ T10] ___sys_sendmsg+0xee/0x170 [ 421.908232][ T10] __sys_sendmsg+0xcd/0x170 [ 421.908232][ T10] do_syscall_64+0xc6/0x1e0 [ 421.908232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.908232][ T10] [ 421.910047][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 421.910330][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 421.910330][ T10] netdev_get_by_index+0x5e/0x80 [ 421.910330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.910330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.910330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.910330][ T10] ipv6_add_addr+0x411/0x2000 [ 421.910330][ T10] inet6_addr_add+0x30e/0xa40 [ 421.910330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.910330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.910330][ T10] netlink_rcv_skb+0x130/0x360 [ 421.910330][ T10] netlink_unicast+0x449/0x710 [ 421.910330][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.910330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.910330][ T10] ___sys_sendmsg+0xee/0x170 [ 421.910330][ T10] __sys_sendmsg+0xcd/0x170 [ 421.910330][ T10] do_syscall_64+0xc6/0x1e0 [ 421.910330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.910330][ T10] [ 421.912500][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 421.912500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.912500][ T10] ipv6_find_idev+0x102/0x170 [ 421.912500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.912500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.912500][ T10] netlink_rcv_skb+0x130/0x360 [ 421.912500][ T10] netlink_unicast+0x449/0x710 [ 421.912500][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.912500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.912500][ T10] ___sys_sendmsg+0xee/0x170 [ 421.912500][ T10] __sys_sendmsg+0xcd/0x170 [ 421.912500][ T10] do_syscall_64+0xc6/0x1e0 [ 421.912500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.912500][ T10] [ 421.914153][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 421.914153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.914153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.914153][ T10] ipv6_find_idev+0x102/0x170 [ 421.914153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.914153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.914153][ T10] netlink_rcv_skb+0x130/0x360 [ 421.914153][ T10] netlink_unicast+0x449/0x710 [ 421.914153][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.914153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.914153][ T10] ___sys_sendmsg+0xee/0x170 [ 421.914153][ T10] __sys_sendmsg+0xcd/0x170 [ 421.914153][ T10] do_syscall_64+0xc6/0x1e0 [ 421.914153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.914153][ T10] [ 421.915959][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 421.916236][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 421.916236][ T10] netdev_get_by_index+0x5e/0x80 [ 421.916236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.916236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.916236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.916236][ T10] ipv6_add_addr+0x411/0x2000 [ 421.916236][ T10] inet6_addr_add+0x30e/0xa40 [ 421.916236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.916236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.916236][ T10] netlink_rcv_skb+0x130/0x360 [ 421.916236][ T10] netlink_unicast+0x449/0x710 [ 421.916236][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.916236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.916236][ T10] ___sys_sendmsg+0xee/0x170 [ 421.916236][ T10] __sys_sendmsg+0xcd/0x170 [ 421.916236][ T10] do_syscall_64+0xc6/0x1e0 [ 421.916236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.916236][ T10] [ 421.918354][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 421.918354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.918354][ T10] ipv6_find_idev+0x102/0x170 [ 421.918354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.918354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.918354][ T10] netlink_rcv_skb+0x130/0x360 [ 421.918354][ T10] netlink_unicast+0x449/0x710 [ 421.918354][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.918354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.918354][ T10] ___sys_sendmsg+0xee/0x170 [ 421.918354][ T10] __sys_sendmsg+0xcd/0x170 [ 421.918354][ T10] do_syscall_64+0xc6/0x1e0 [ 421.918354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.918354][ T10] [ 421.920012][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 421.920012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.920012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.920012][ T10] ipv6_find_idev+0x102/0x170 [ 421.920012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.920012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.920012][ T10] netlink_rcv_skb+0x130/0x360 [ 421.920012][ T10] netlink_unicast+0x449/0x710 [ 421.920012][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.920012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.920012][ T10] ___sys_sendmsg+0xee/0x170 [ 421.920012][ T10] __sys_sendmsg+0xcd/0x170 [ 421.920012][ T10] do_syscall_64+0xc6/0x1e0 [ 421.920012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.920012][ T10] [ 421.922253][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 421.922546][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 421.922546][ T10] netdev_get_by_index+0x5e/0x80 [ 421.922546][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.922546][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.922546][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.922546][ T10] ipv6_add_addr+0x411/0x2000 [ 421.922546][ T10] inet6_addr_add+0x30e/0xa40 [ 421.922546][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.922546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.922546][ T10] netlink_rcv_skb+0x130/0x360 [ 421.922546][ T10] netlink_unicast+0x449/0x710 [ 421.922546][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.922546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.922546][ T10] ___sys_sendmsg+0xee/0x170 [ 421.922546][ T10] __sys_sendmsg+0xcd/0x170 [ 421.922546][ T10] do_syscall_64+0xc6/0x1e0 [ 421.922546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.922546][ T10] [ 421.924695][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 421.924695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.924695][ T10] ipv6_find_idev+0x102/0x170 [ 421.924695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.924695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.924695][ T10] netlink_rcv_skb+0x130/0x360 [ 421.924695][ T10] netlink_unicast+0x449/0x710 [ 421.924695][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.924695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.924695][ T10] ___sys_sendmsg+0xee/0x170 [ 421.924695][ T10] __sys_sendmsg+0xcd/0x170 [ 421.924695][ T10] do_syscall_64+0xc6/0x1e0 [ 421.924695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.924695][ T10] [ 421.926210][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 421.926210][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.926210][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.926210][ T10] ipv6_find_idev+0x102/0x170 [ 421.926210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.926210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.926210][ T10] netlink_rcv_skb+0x130/0x360 [ 421.926210][ T10] netlink_unicast+0x449/0x710 [ 421.926210][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.926210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.926210][ T10] ___sys_sendmsg+0xee/0x170 [ 421.926210][ T10] __sys_sendmsg+0xcd/0x170 [ 421.926210][ T10] do_syscall_64+0xc6/0x1e0 [ 421.926210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.926210][ T10] [ 421.927955][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 421.928220][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 421.928220][ T10] netdev_get_by_index+0x5e/0x80 [ 421.928220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.928220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.928220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.928220][ T10] ipv6_add_addr+0x411/0x2000 [ 421.928220][ T10] inet6_addr_add+0x30e/0xa40 [ 421.928220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.928220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.928220][ T10] netlink_rcv_skb+0x130/0x360 [ 421.928220][ T10] netlink_unicast+0x449/0x710 [ 421.928220][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.928220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.928220][ T10] ___sys_sendmsg+0xee/0x170 [ 421.928220][ T10] __sys_sendmsg+0xcd/0x170 [ 421.928220][ T10] do_syscall_64+0xc6/0x1e0 [ 421.928220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.928220][ T10] [ 421.930406][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 421.930406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.930406][ T10] ipv6_find_idev+0x102/0x170 [ 421.930406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.930406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.930406][ T10] netlink_rcv_skb+0x130/0x360 [ 421.930406][ T10] netlink_unicast+0x449/0x710 [ 421.930406][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.930406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.930406][ T10] ___sys_sendmsg+0xee/0x170 [ 421.930406][ T10] __sys_sendmsg+0xcd/0x170 [ 421.930406][ T10] do_syscall_64+0xc6/0x1e0 [ 421.930406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.930406][ T10] [ 421.932110][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 421.932110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.932110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.932110][ T10] ipv6_find_idev+0x102/0x170 [ 421.932110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.932110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.932110][ T10] netlink_rcv_skb+0x130/0x360 [ 421.932110][ T10] netlink_unicast+0x449/0x710 [ 421.932110][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.932110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.932110][ T10] ___sys_sendmsg+0xee/0x170 [ 421.932110][ T10] __sys_sendmsg+0xcd/0x170 [ 421.932110][ T10] do_syscall_64+0xc6/0x1e0 [ 421.932110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.932110][ T10] [ 421.934056][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 421.934316][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 421.934316][ T10] netdev_get_by_index+0x5e/0x80 [ 421.934316][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.934316][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.934316][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.934316][ T10] ipv6_add_addr+0x411/0x2000 [ 421.934316][ T10] inet6_addr_add+0x30e/0xa40 [ 421.934316][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.934316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.934316][ T10] netlink_rcv_skb+0x130/0x360 [ 421.934316][ T10] netlink_unicast+0x449/0x710 [ 421.934316][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.934316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.934316][ T10] ___sys_sendmsg+0xee/0x170 [ 421.934316][ T10] __sys_sendmsg+0xcd/0x170 [ 421.934316][ T10] do_syscall_64+0xc6/0x1e0 [ 421.934316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.934316][ T10] [ 421.936502][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 421.936502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.936502][ T10] ipv6_find_idev+0x102/0x170 [ 421.936502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.936502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.936502][ T10] netlink_rcv_skb+0x130/0x360 [ 421.936502][ T10] netlink_unicast+0x449/0x710 [ 421.936502][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.936502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.936502][ T10] ___sys_sendmsg+0xee/0x170 [ 421.936502][ T10] __sys_sendmsg+0xcd/0x170 [ 421.936502][ T10] do_syscall_64+0xc6/0x1e0 [ 421.936502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.936502][ T10] [ 421.938219][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 421.938219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.938219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.938219][ T10] ipv6_find_idev+0x102/0x170 [ 421.938219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.938219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.938219][ T10] netlink_rcv_skb+0x130/0x360 [ 421.938219][ T10] netlink_unicast+0x449/0x710 [ 421.938219][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.938219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.938219][ T10] ___sys_sendmsg+0xee/0x170 [ 421.938219][ T10] __sys_sendmsg+0xcd/0x170 [ 421.938219][ T10] do_syscall_64+0xc6/0x1e0 [ 421.938219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.938219][ T10] [ 421.940316][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 421.940596][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 421.940596][ T10] netdev_get_by_index+0x5e/0x80 [ 421.940596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 421.940596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 421.940596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 421.940596][ T10] ipv6_add_addr+0x411/0x2000 [ 421.940596][ T10] inet6_addr_add+0x30e/0xa40 [ 421.940596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 421.940596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.940596][ T10] netlink_rcv_skb+0x130/0x360 [ 421.940596][ T10] netlink_unicast+0x449/0x710 [ 421.940596][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.940596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.940596][ T10] ___sys_sendmsg+0xee/0x170 [ 421.940596][ T10] __sys_sendmsg+0xcd/0x170 [ 421.940596][ T10] do_syscall_64+0xc6/0x1e0 [ 421.940596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.940596][ T10] [ 421.943017][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 421.943017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 421.943017][ T10] ipv6_find_idev+0x102/0x170 [ 421.943017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.943017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.943017][ T10] netlink_rcv_skb+0x130/0x360 [ 421.943017][ T10] netlink_unicast+0x449/0x710 [ 421.943017][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.943017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.943017][ T10] ___sys_sendmsg+0xee/0x170 [ 421.943017][ T10] __sys_sendmsg+0xcd/0x170 [ 421.943017][ T10] do_syscall_64+0xc6/0x1e0 [ 421.943017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.943017][ T10] [ 421.944811][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 421.944811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 421.944811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 421.944811][ T10] ipv6_find_idev+0x102/0x170 [ 421.944811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 421.944811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 421.944811][ T10] netlink_rcv_skb+0x130/0x360 [ 421.944811][ T10] netlink_unicast+0x449/0x710 [ 421.944811][ T10] netlink_sendmsg+0x723/0xbe0 [ 421.944811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 421.944811][ T10] ___sys_sendmsg+0xee/0x170 [ 421.944811][ T10] __sys_sendmsg+0xcd/0x170 [ 421.944811][ T10] do_syscall_64+0xc6/0x1e0 [ 421.944811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 421.944811][ T10] [ 432.138958][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 432.139444][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 432.139444][ T10] netdev_get_by_index+0x5e/0x80 [ 432.139444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.139444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.139444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.139444][ T10] ipv6_add_addr+0x411/0x2000 [ 432.139444][ T10] inet6_addr_add+0x30e/0xa40 [ 432.139444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.139444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.139444][ T10] netlink_rcv_skb+0x130/0x360 [ 432.139444][ T10] netlink_unicast+0x449/0x710 [ 432.139444][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.139444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.139444][ T10] ___sys_sendmsg+0xee/0x170 [ 432.139444][ T10] __sys_sendmsg+0xcd/0x170 [ 432.139444][ T10] do_syscall_64+0xc6/0x1e0 [ 432.139444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.139444][ T10] [ 432.142118][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 432.142118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.142118][ T10] ipv6_find_idev+0x102/0x170 [ 432.142118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.142118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.142118][ T10] netlink_rcv_skb+0x130/0x360 [ 432.142118][ T10] netlink_unicast+0x449/0x710 [ 432.142118][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.142118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.142118][ T10] ___sys_sendmsg+0xee/0x170 [ 432.142118][ T10] __sys_sendmsg+0xcd/0x170 [ 432.142118][ T10] do_syscall_64+0xc6/0x1e0 [ 432.142118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.142118][ T10] [ 432.144069][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 432.144069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.144069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.144069][ T10] ipv6_find_idev+0x102/0x170 [ 432.144069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.144069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.144069][ T10] netlink_rcv_skb+0x130/0x360 [ 432.144069][ T10] netlink_unicast+0x449/0x710 [ 432.144069][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.144069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.144069][ T10] ___sys_sendmsg+0xee/0x170 [ 432.144069][ T10] __sys_sendmsg+0xcd/0x170 [ 432.144069][ T10] do_syscall_64+0xc6/0x1e0 [ 432.144069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.144069][ T10] [ 432.146233][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 432.146604][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 432.146604][ T10] netdev_get_by_index+0x5e/0x80 [ 432.146604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.146604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.146604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.146604][ T10] ipv6_add_addr+0x411/0x2000 [ 432.146604][ T10] inet6_addr_add+0x30e/0xa40 [ 432.146604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.146604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.146604][ T10] netlink_rcv_skb+0x130/0x360 [ 432.146604][ T10] netlink_unicast+0x449/0x710 [ 432.146604][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.146604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.146604][ T10] ___sys_sendmsg+0xee/0x170 [ 432.146604][ T10] __sys_sendmsg+0xcd/0x170 [ 432.146604][ T10] do_syscall_64+0xc6/0x1e0 [ 432.146604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.146604][ T10] [ 432.148626][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 432.148626][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.148626][ T10] ipv6_find_idev+0x102/0x170 [ 432.148626][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.148626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.148626][ T10] netlink_rcv_skb+0x130/0x360 [ 432.148626][ T10] netlink_unicast+0x449/0x710 [ 432.148626][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.148626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.148626][ T10] ___sys_sendmsg+0xee/0x170 [ 432.148626][ T10] __sys_sendmsg+0xcd/0x170 [ 432.148626][ T10] do_syscall_64+0xc6/0x1e0 [ 432.148626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.148626][ T10] [ 432.150192][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 432.150192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.150192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.150192][ T10] ipv6_find_idev+0x102/0x170 [ 432.150192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.150192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.150192][ T10] netlink_rcv_skb+0x130/0x360 [ 432.150192][ T10] netlink_unicast+0x449/0x710 [ 432.150192][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.150192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.150192][ T10] ___sys_sendmsg+0xee/0x170 [ 432.150192][ T10] __sys_sendmsg+0xcd/0x170 [ 432.150192][ T10] do_syscall_64+0xc6/0x1e0 [ 432.150192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.150192][ T10] [ 432.151979][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 432.152254][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 432.152254][ T10] netdev_get_by_index+0x5e/0x80 [ 432.152254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.152254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.152254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.152254][ T10] ipv6_add_addr+0x411/0x2000 [ 432.152254][ T10] inet6_addr_add+0x30e/0xa40 [ 432.152254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.152254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.152254][ T10] netlink_rcv_skb+0x130/0x360 [ 432.152254][ T10] netlink_unicast+0x449/0x710 [ 432.152254][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.152254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.152254][ T10] ___sys_sendmsg+0xee/0x170 [ 432.152254][ T10] __sys_sendmsg+0xcd/0x170 [ 432.152254][ T10] do_syscall_64+0xc6/0x1e0 [ 432.152254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.152254][ T10] [ 432.154267][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 432.154267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.154267][ T10] ipv6_find_idev+0x102/0x170 [ 432.154267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.154267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.154267][ T10] netlink_rcv_skb+0x130/0x360 [ 432.154267][ T10] netlink_unicast+0x449/0x710 [ 432.154267][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.154267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.154267][ T10] ___sys_sendmsg+0xee/0x170 [ 432.154267][ T10] __sys_sendmsg+0xcd/0x170 [ 432.154267][ T10] do_syscall_64+0xc6/0x1e0 [ 432.154267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.154267][ T10] [ 432.155816][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 432.155816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.155816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.155816][ T10] ipv6_find_idev+0x102/0x170 [ 432.155816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.155816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.155816][ T10] netlink_rcv_skb+0x130/0x360 [ 432.155816][ T10] netlink_unicast+0x449/0x710 [ 432.155816][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.155816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.155816][ T10] ___sys_sendmsg+0xee/0x170 [ 432.155816][ T10] __sys_sendmsg+0xcd/0x170 [ 432.155816][ T10] do_syscall_64+0xc6/0x1e0 [ 432.155816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.155816][ T10] [ 432.157524][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 432.157792][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 432.157792][ T10] netdev_get_by_index+0x5e/0x80 [ 432.157792][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.157792][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.157792][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.157792][ T10] ipv6_add_addr+0x411/0x2000 [ 432.157792][ T10] inet6_addr_add+0x30e/0xa40 [ 432.157792][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.157792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.157792][ T10] netlink_rcv_skb+0x130/0x360 [ 432.157792][ T10] netlink_unicast+0x449/0x710 [ 432.157792][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.157792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.157792][ T10] ___sys_sendmsg+0xee/0x170 [ 432.157792][ T10] __sys_sendmsg+0xcd/0x170 [ 432.157792][ T10] do_syscall_64+0xc6/0x1e0 [ 432.157792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.157792][ T10] [ 432.160170][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 432.160170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.160170][ T10] ipv6_find_idev+0x102/0x170 [ 432.160170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.160170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.160170][ T10] netlink_rcv_skb+0x130/0x360 [ 432.160170][ T10] netlink_unicast+0x449/0x710 [ 432.160170][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.160170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.160170][ T10] ___sys_sendmsg+0xee/0x170 [ 432.160170][ T10] __sys_sendmsg+0xcd/0x170 [ 432.160170][ T10] do_syscall_64+0xc6/0x1e0 [ 432.160170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.160170][ T10] [ 432.162252][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 432.162252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.162252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.162252][ T10] ipv6_find_idev+0x102/0x170 [ 432.162252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.162252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.162252][ T10] netlink_rcv_skb+0x130/0x360 [ 432.162252][ T10] netlink_unicast+0x449/0x710 [ 432.162252][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.162252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.162252][ T10] ___sys_sendmsg+0xee/0x170 [ 432.162252][ T10] __sys_sendmsg+0xcd/0x170 [ 432.162252][ T10] do_syscall_64+0xc6/0x1e0 [ 432.162252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.162252][ T10] [ 432.164340][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 432.164606][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 432.164606][ T10] netdev_get_by_index+0x5e/0x80 [ 432.164606][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.164606][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.164606][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.164606][ T10] ipv6_add_addr+0x411/0x2000 [ 432.164606][ T10] inet6_addr_add+0x30e/0xa40 [ 432.164606][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.164606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.164606][ T10] netlink_rcv_skb+0x130/0x360 [ 432.164606][ T10] netlink_unicast+0x449/0x710 [ 432.164606][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.164606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.164606][ T10] ___sys_sendmsg+0xee/0x170 [ 432.164606][ T10] __sys_sendmsg+0xcd/0x170 [ 432.164606][ T10] do_syscall_64+0xc6/0x1e0 [ 432.164606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.164606][ T10] [ 432.166584][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 432.166584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.166584][ T10] ipv6_find_idev+0x102/0x170 [ 432.166584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.166584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.166584][ T10] netlink_rcv_skb+0x130/0x360 [ 432.166584][ T10] netlink_unicast+0x449/0x710 [ 432.166584][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.166584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.166584][ T10] ___sys_sendmsg+0xee/0x170 [ 432.166584][ T10] __sys_sendmsg+0xcd/0x170 [ 432.166584][ T10] do_syscall_64+0xc6/0x1e0 [ 432.166584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.166584][ T10] [ 432.168105][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 432.168105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.168105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.168105][ T10] ipv6_find_idev+0x102/0x170 [ 432.168105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.168105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.168105][ T10] netlink_rcv_skb+0x130/0x360 [ 432.168105][ T10] netlink_unicast+0x449/0x710 [ 432.168105][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.168105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.168105][ T10] ___sys_sendmsg+0xee/0x170 [ 432.168105][ T10] __sys_sendmsg+0xcd/0x170 [ 432.168105][ T10] do_syscall_64+0xc6/0x1e0 [ 432.168105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.168105][ T10] [ 432.169805][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 432.170138][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 432.170138][ T10] netdev_get_by_index+0x5e/0x80 [ 432.170138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.170138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.170138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.170138][ T10] ipv6_add_addr+0x411/0x2000 [ 432.170138][ T10] inet6_addr_add+0x30e/0xa40 [ 432.170138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.170138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.170138][ T10] netlink_rcv_skb+0x130/0x360 [ 432.170138][ T10] netlink_unicast+0x449/0x710 [ 432.170138][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.170138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.170138][ T10] ___sys_sendmsg+0xee/0x170 [ 432.170138][ T10] __sys_sendmsg+0xcd/0x170 [ 432.170138][ T10] do_syscall_64+0xc6/0x1e0 [ 432.170138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.170138][ T10] [ 432.172441][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 432.172441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.172441][ T10] ipv6_find_idev+0x102/0x170 [ 432.172441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.172441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.172441][ T10] netlink_rcv_skb+0x130/0x360 [ 432.172441][ T10] netlink_unicast+0x449/0x710 [ 432.172441][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.172441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.172441][ T10] ___sys_sendmsg+0xee/0x170 [ 432.172441][ T10] __sys_sendmsg+0xcd/0x170 [ 432.172441][ T10] do_syscall_64+0xc6/0x1e0 [ 432.172441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.172441][ T10] [ 432.174348][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 432.174348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.174348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.174348][ T10] ipv6_find_idev+0x102/0x170 [ 432.174348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.174348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.174348][ T10] netlink_rcv_skb+0x130/0x360 [ 432.174348][ T10] netlink_unicast+0x449/0x710 [ 432.174348][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.174348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.174348][ T10] ___sys_sendmsg+0xee/0x170 [ 432.174348][ T10] __sys_sendmsg+0xcd/0x170 [ 432.174348][ T10] do_syscall_64+0xc6/0x1e0 [ 432.174348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.174348][ T10] [ 432.176220][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 432.176485][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 432.176485][ T10] netdev_get_by_index+0x5e/0x80 [ 432.176485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.176485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.176485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.176485][ T10] ipv6_add_addr+0x411/0x2000 [ 432.176485][ T10] inet6_addr_add+0x30e/0xa40 [ 432.176485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.176485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.176485][ T10] netlink_rcv_skb+0x130/0x360 [ 432.176485][ T10] netlink_unicast+0x449/0x710 [ 432.176485][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.176485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.176485][ T10] ___sys_sendmsg+0xee/0x170 [ 432.176485][ T10] __sys_sendmsg+0xcd/0x170 [ 432.176485][ T10] do_syscall_64+0xc6/0x1e0 [ 432.176485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.176485][ T10] [ 432.178636][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 432.178636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.178636][ T10] ipv6_find_idev+0x102/0x170 [ 432.178636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.178636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.178636][ T10] netlink_rcv_skb+0x130/0x360 [ 432.178636][ T10] netlink_unicast+0x449/0x710 [ 432.178636][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.178636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.178636][ T10] ___sys_sendmsg+0xee/0x170 [ 432.178636][ T10] __sys_sendmsg+0xcd/0x170 [ 432.178636][ T10] do_syscall_64+0xc6/0x1e0 [ 432.178636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.178636][ T10] [ 432.180323][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 432.180323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.180323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.180323][ T10] ipv6_find_idev+0x102/0x170 [ 432.180323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.180323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.180323][ T10] netlink_rcv_skb+0x130/0x360 [ 432.180323][ T10] netlink_unicast+0x449/0x710 [ 432.180323][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.180323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.180323][ T10] ___sys_sendmsg+0xee/0x170 [ 432.180323][ T10] __sys_sendmsg+0xcd/0x170 [ 432.180323][ T10] do_syscall_64+0xc6/0x1e0 [ 432.180323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.180323][ T10] [ 432.182206][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 432.182464][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 432.182464][ T10] netdev_get_by_index+0x5e/0x80 [ 432.182464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 432.182464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 432.182464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 432.182464][ T10] ipv6_add_addr+0x411/0x2000 [ 432.182464][ T10] inet6_addr_add+0x30e/0xa40 [ 432.182464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 432.182464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.182464][ T10] netlink_rcv_skb+0x130/0x360 [ 432.182464][ T10] netlink_unicast+0x449/0x710 [ 432.182464][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.182464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.182464][ T10] ___sys_sendmsg+0xee/0x170 [ 432.182464][ T10] __sys_sendmsg+0xcd/0x170 [ 432.182464][ T10] do_syscall_64+0xc6/0x1e0 [ 432.182464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.182464][ T10] [ 432.184796][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 432.184796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 432.184796][ T10] ipv6_find_idev+0x102/0x170 [ 432.184796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.184796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.184796][ T10] netlink_rcv_skb+0x130/0x360 [ 432.184796][ T10] netlink_unicast+0x449/0x710 [ 432.184796][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.184796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.184796][ T10] ___sys_sendmsg+0xee/0x170 [ 432.184796][ T10] __sys_sendmsg+0xcd/0x170 [ 432.184796][ T10] do_syscall_64+0xc6/0x1e0 [ 432.184796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.184796][ T10] [ 432.186490][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 432.186490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 432.186490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 432.186490][ T10] ipv6_find_idev+0x102/0x170 [ 432.186490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 432.186490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 432.186490][ T10] netlink_rcv_skb+0x130/0x360 [ 432.186490][ T10] netlink_unicast+0x449/0x710 [ 432.186490][ T10] netlink_sendmsg+0x723/0xbe0 [ 432.186490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 432.186490][ T10] ___sys_sendmsg+0xee/0x170 [ 432.186490][ T10] __sys_sendmsg+0xcd/0x170 [ 432.186490][ T10] do_syscall_64+0xc6/0x1e0 [ 432.186490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 432.186490][ T10] [ 442.354936][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 442.355379][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 442.355379][ T10] netdev_get_by_index+0x5e/0x80 [ 442.355379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.355379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.355379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.355379][ T10] ipv6_add_addr+0x411/0x2000 [ 442.355379][ T10] inet6_addr_add+0x30e/0xa40 [ 442.355379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.355379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.355379][ T10] netlink_rcv_skb+0x130/0x360 [ 442.355379][ T10] netlink_unicast+0x449/0x710 [ 442.355379][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.355379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.355379][ T10] ___sys_sendmsg+0xee/0x170 [ 442.355379][ T10] __sys_sendmsg+0xcd/0x170 [ 442.355379][ T10] do_syscall_64+0xc6/0x1e0 [ 442.355379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.355379][ T10] [ 442.357445][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 442.357445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.357445][ T10] ipv6_find_idev+0x102/0x170 [ 442.357445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.357445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.357445][ T10] netlink_rcv_skb+0x130/0x360 [ 442.357445][ T10] netlink_unicast+0x449/0x710 [ 442.357445][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.357445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.357445][ T10] ___sys_sendmsg+0xee/0x170 [ 442.357445][ T10] __sys_sendmsg+0xcd/0x170 [ 442.357445][ T10] do_syscall_64+0xc6/0x1e0 [ 442.357445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.357445][ T10] [ 442.358989][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 442.358989][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.358989][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.358989][ T10] ipv6_find_idev+0x102/0x170 [ 442.358989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.358989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.358989][ T10] netlink_rcv_skb+0x130/0x360 [ 442.358989][ T10] netlink_unicast+0x449/0x710 [ 442.358989][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.358989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.358989][ T10] ___sys_sendmsg+0xee/0x170 [ 442.358989][ T10] __sys_sendmsg+0xcd/0x170 [ 442.358989][ T10] do_syscall_64+0xc6/0x1e0 [ 442.358989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.358989][ T10] [ 442.360703][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 442.360992][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 442.360992][ T10] netdev_get_by_index+0x5e/0x80 [ 442.360992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.360992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.360992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.360992][ T10] ipv6_add_addr+0x411/0x2000 [ 442.360992][ T10] inet6_addr_add+0x30e/0xa40 [ 442.360992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.360992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.360992][ T10] netlink_rcv_skb+0x130/0x360 [ 442.360992][ T10] netlink_unicast+0x449/0x710 [ 442.360992][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.360992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.360992][ T10] ___sys_sendmsg+0xee/0x170 [ 442.360992][ T10] __sys_sendmsg+0xcd/0x170 [ 442.360992][ T10] do_syscall_64+0xc6/0x1e0 [ 442.360992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.360992][ T10] [ 442.362991][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 442.362991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.362991][ T10] ipv6_find_idev+0x102/0x170 [ 442.362991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.362991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.362991][ T10] netlink_rcv_skb+0x130/0x360 [ 442.362991][ T10] netlink_unicast+0x449/0x710 [ 442.362991][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.362991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.362991][ T10] ___sys_sendmsg+0xee/0x170 [ 442.362991][ T10] __sys_sendmsg+0xcd/0x170 [ 442.362991][ T10] do_syscall_64+0xc6/0x1e0 [ 442.362991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.362991][ T10] [ 442.364522][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 442.364522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.364522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.364522][ T10] ipv6_find_idev+0x102/0x170 [ 442.364522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.364522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.364522][ T10] netlink_rcv_skb+0x130/0x360 [ 442.364522][ T10] netlink_unicast+0x449/0x710 [ 442.364522][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.364522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.364522][ T10] ___sys_sendmsg+0xee/0x170 [ 442.364522][ T10] __sys_sendmsg+0xcd/0x170 [ 442.364522][ T10] do_syscall_64+0xc6/0x1e0 [ 442.364522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.364522][ T10] [ 442.366203][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 442.366467][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 442.366467][ T10] netdev_get_by_index+0x5e/0x80 [ 442.366467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.366467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.366467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.366467][ T10] ipv6_add_addr+0x411/0x2000 [ 442.366467][ T10] inet6_addr_add+0x30e/0xa40 [ 442.366467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.366467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.366467][ T10] netlink_rcv_skb+0x130/0x360 [ 442.366467][ T10] netlink_unicast+0x449/0x710 [ 442.366467][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.366467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.366467][ T10] ___sys_sendmsg+0xee/0x170 [ 442.366467][ T10] __sys_sendmsg+0xcd/0x170 [ 442.366467][ T10] do_syscall_64+0xc6/0x1e0 [ 442.366467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.366467][ T10] [ 442.368460][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 442.368460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.368460][ T10] ipv6_find_idev+0x102/0x170 [ 442.368460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.368460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.368460][ T10] netlink_rcv_skb+0x130/0x360 [ 442.368460][ T10] netlink_unicast+0x449/0x710 [ 442.368460][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.368460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.368460][ T10] ___sys_sendmsg+0xee/0x170 [ 442.368460][ T10] __sys_sendmsg+0xcd/0x170 [ 442.368460][ T10] do_syscall_64+0xc6/0x1e0 [ 442.368460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.368460][ T10] [ 442.369990][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 442.369990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.369990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.369990][ T10] ipv6_find_idev+0x102/0x170 [ 442.369990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.369990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.369990][ T10] netlink_rcv_skb+0x130/0x360 [ 442.369990][ T10] netlink_unicast+0x449/0x710 [ 442.369990][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.369990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.369990][ T10] ___sys_sendmsg+0xee/0x170 [ 442.369990][ T10] __sys_sendmsg+0xcd/0x170 [ 442.369990][ T10] do_syscall_64+0xc6/0x1e0 [ 442.369990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.369990][ T10] [ 442.371694][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 442.372399][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 442.372399][ T10] netdev_get_by_index+0x5e/0x80 [ 442.372399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.372399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.372399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.372399][ T10] ipv6_add_addr+0x411/0x2000 [ 442.372399][ T10] inet6_addr_add+0x30e/0xa40 [ 442.372399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.372399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.372399][ T10] netlink_rcv_skb+0x130/0x360 [ 442.372399][ T10] netlink_unicast+0x449/0x710 [ 442.372399][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.372399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.372399][ T10] ___sys_sendmsg+0xee/0x170 [ 442.372399][ T10] __sys_sendmsg+0xcd/0x170 [ 442.372399][ T10] do_syscall_64+0xc6/0x1e0 [ 442.372399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.372399][ T10] [ 442.374457][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 442.374457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.374457][ T10] ipv6_find_idev+0x102/0x170 [ 442.374457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.374457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.374457][ T10] netlink_rcv_skb+0x130/0x360 [ 442.374457][ T10] netlink_unicast+0x449/0x710 [ 442.374457][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.374457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.374457][ T10] ___sys_sendmsg+0xee/0x170 [ 442.374457][ T10] __sys_sendmsg+0xcd/0x170 [ 442.374457][ T10] do_syscall_64+0xc6/0x1e0 [ 442.374457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.374457][ T10] [ 442.376073][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 442.376073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.376073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.376073][ T10] ipv6_find_idev+0x102/0x170 [ 442.376073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.376073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.376073][ T10] netlink_rcv_skb+0x130/0x360 [ 442.376073][ T10] netlink_unicast+0x449/0x710 [ 442.376073][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.376073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.376073][ T10] ___sys_sendmsg+0xee/0x170 [ 442.376073][ T10] __sys_sendmsg+0xcd/0x170 [ 442.376073][ T10] do_syscall_64+0xc6/0x1e0 [ 442.376073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.376073][ T10] [ 442.377960][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 442.378301][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 442.378301][ T10] netdev_get_by_index+0x5e/0x80 [ 442.378301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.378301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.378301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.378301][ T10] ipv6_add_addr+0x411/0x2000 [ 442.378301][ T10] inet6_addr_add+0x30e/0xa40 [ 442.378301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.378301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.378301][ T10] netlink_rcv_skb+0x130/0x360 [ 442.378301][ T10] netlink_unicast+0x449/0x710 [ 442.378301][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.378301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.378301][ T10] ___sys_sendmsg+0xee/0x170 [ 442.378301][ T10] __sys_sendmsg+0xcd/0x170 [ 442.378301][ T10] do_syscall_64+0xc6/0x1e0 [ 442.378301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.378301][ T10] [ 442.380440][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 442.380440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.380440][ T10] ipv6_find_idev+0x102/0x170 [ 442.380440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.380440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.380440][ T10] netlink_rcv_skb+0x130/0x360 [ 442.380440][ T10] netlink_unicast+0x449/0x710 [ 442.380440][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.380440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.380440][ T10] ___sys_sendmsg+0xee/0x170 [ 442.380440][ T10] __sys_sendmsg+0xcd/0x170 [ 442.380440][ T10] do_syscall_64+0xc6/0x1e0 [ 442.380440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.380440][ T10] [ 442.382063][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 442.382063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.382063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.382063][ T10] ipv6_find_idev+0x102/0x170 [ 442.382063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.382063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.382063][ T10] netlink_rcv_skb+0x130/0x360 [ 442.382063][ T10] netlink_unicast+0x449/0x710 [ 442.382063][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.382063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.382063][ T10] ___sys_sendmsg+0xee/0x170 [ 442.382063][ T10] __sys_sendmsg+0xcd/0x170 [ 442.382063][ T10] do_syscall_64+0xc6/0x1e0 [ 442.382063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.382063][ T10] [ 442.383884][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 442.384222][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 442.384222][ T10] netdev_get_by_index+0x5e/0x80 [ 442.384222][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.384222][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.384222][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.384222][ T10] ipv6_add_addr+0x411/0x2000 [ 442.384222][ T10] inet6_addr_add+0x30e/0xa40 [ 442.384222][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.384222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.384222][ T10] netlink_rcv_skb+0x130/0x360 [ 442.384222][ T10] netlink_unicast+0x449/0x710 [ 442.384222][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.384222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.384222][ T10] ___sys_sendmsg+0xee/0x170 [ 442.384222][ T10] __sys_sendmsg+0xcd/0x170 [ 442.384222][ T10] do_syscall_64+0xc6/0x1e0 [ 442.384222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.384222][ T10] [ 442.386332][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 442.386332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.386332][ T10] ipv6_find_idev+0x102/0x170 [ 442.386332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.386332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.386332][ T10] netlink_rcv_skb+0x130/0x360 [ 442.386332][ T10] netlink_unicast+0x449/0x710 [ 442.386332][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.386332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.386332][ T10] ___sys_sendmsg+0xee/0x170 [ 442.386332][ T10] __sys_sendmsg+0xcd/0x170 [ 442.386332][ T10] do_syscall_64+0xc6/0x1e0 [ 442.386332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.386332][ T10] [ 442.388291][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 442.388291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.388291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.388291][ T10] ipv6_find_idev+0x102/0x170 [ 442.388291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.388291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.388291][ T10] netlink_rcv_skb+0x130/0x360 [ 442.388291][ T10] netlink_unicast+0x449/0x710 [ 442.388291][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.388291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.388291][ T10] ___sys_sendmsg+0xee/0x170 [ 442.388291][ T10] __sys_sendmsg+0xcd/0x170 [ 442.388291][ T10] do_syscall_64+0xc6/0x1e0 [ 442.388291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.388291][ T10] [ 442.390303][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 442.390629][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 442.390629][ T10] netdev_get_by_index+0x5e/0x80 [ 442.390629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.390629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.390629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.390629][ T10] ipv6_add_addr+0x411/0x2000 [ 442.390629][ T10] inet6_addr_add+0x30e/0xa40 [ 442.390629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.390629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.390629][ T10] netlink_rcv_skb+0x130/0x360 [ 442.390629][ T10] netlink_unicast+0x449/0x710 [ 442.390629][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.390629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.390629][ T10] ___sys_sendmsg+0xee/0x170 [ 442.390629][ T10] __sys_sendmsg+0xcd/0x170 [ 442.390629][ T10] do_syscall_64+0xc6/0x1e0 [ 442.390629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.390629][ T10] [ 442.392984][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 442.392984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.392984][ T10] ipv6_find_idev+0x102/0x170 [ 442.392984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.392984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.392984][ T10] netlink_rcv_skb+0x130/0x360 [ 442.392984][ T10] netlink_unicast+0x449/0x710 [ 442.392984][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.392984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.392984][ T10] ___sys_sendmsg+0xee/0x170 [ 442.392984][ T10] __sys_sendmsg+0xcd/0x170 [ 442.392984][ T10] do_syscall_64+0xc6/0x1e0 [ 442.392984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.392984][ T10] [ 442.394746][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 442.394746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.394746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.394746][ T10] ipv6_find_idev+0x102/0x170 [ 442.394746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.394746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.394746][ T10] netlink_rcv_skb+0x130/0x360 [ 442.394746][ T10] netlink_unicast+0x449/0x710 [ 442.394746][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.394746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.394746][ T10] ___sys_sendmsg+0xee/0x170 [ 442.394746][ T10] __sys_sendmsg+0xcd/0x170 [ 442.394746][ T10] do_syscall_64+0xc6/0x1e0 [ 442.394746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.394746][ T10] [ 442.396780][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 442.397118][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 442.397118][ T10] netdev_get_by_index+0x5e/0x80 [ 442.397118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 442.397118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 442.397118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 442.397118][ T10] ipv6_add_addr+0x411/0x2000 [ 442.397118][ T10] inet6_addr_add+0x30e/0xa40 [ 442.397118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 442.397118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.397118][ T10] netlink_rcv_skb+0x130/0x360 [ 442.397118][ T10] netlink_unicast+0x449/0x710 [ 442.397118][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.397118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.397118][ T10] ___sys_sendmsg+0xee/0x170 [ 442.397118][ T10] __sys_sendmsg+0xcd/0x170 [ 442.397118][ T10] do_syscall_64+0xc6/0x1e0 [ 442.397118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.397118][ T10] [ 442.399352][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 442.399352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 442.399352][ T10] ipv6_find_idev+0x102/0x170 [ 442.399352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.399352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.399352][ T10] netlink_rcv_skb+0x130/0x360 [ 442.399352][ T10] netlink_unicast+0x449/0x710 [ 442.399352][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.399352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.399352][ T10] ___sys_sendmsg+0xee/0x170 [ 442.399352][ T10] __sys_sendmsg+0xcd/0x170 [ 442.399352][ T10] do_syscall_64+0xc6/0x1e0 [ 442.399352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.399352][ T10] [ 442.401097][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 442.401097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 442.401097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 442.401097][ T10] ipv6_find_idev+0x102/0x170 [ 442.401097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 442.401097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 442.401097][ T10] netlink_rcv_skb+0x130/0x360 [ 442.401097][ T10] netlink_unicast+0x449/0x710 [ 442.401097][ T10] netlink_sendmsg+0x723/0xbe0 [ 442.401097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 442.401097][ T10] ___sys_sendmsg+0xee/0x170 [ 442.401097][ T10] __sys_sendmsg+0xcd/0x170 [ 442.401097][ T10] do_syscall_64+0xc6/0x1e0 [ 442.401097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 442.401097][ T10] [ 452.642945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 452.643540][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 452.643540][ T10] netdev_get_by_index+0x5e/0x80 [ 452.643540][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.643540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.643540][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.643540][ T10] ipv6_add_addr+0x411/0x2000 [ 452.643540][ T10] inet6_addr_add+0x30e/0xa40 [ 452.643540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.643540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.643540][ T10] netlink_rcv_skb+0x130/0x360 [ 452.643540][ T10] netlink_unicast+0x449/0x710 [ 452.643540][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.643540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.643540][ T10] ___sys_sendmsg+0xee/0x170 [ 452.643540][ T10] __sys_sendmsg+0xcd/0x170 [ 452.643540][ T10] do_syscall_64+0xc6/0x1e0 [ 452.643540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.643540][ T10] [ 452.646702][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 452.646702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.646702][ T10] ipv6_find_idev+0x102/0x170 [ 452.646702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.646702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.646702][ T10] netlink_rcv_skb+0x130/0x360 [ 452.646702][ T10] netlink_unicast+0x449/0x710 [ 452.646702][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.646702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.646702][ T10] ___sys_sendmsg+0xee/0x170 [ 452.646702][ T10] __sys_sendmsg+0xcd/0x170 [ 452.646702][ T10] do_syscall_64+0xc6/0x1e0 [ 452.646702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.646702][ T10] [ 452.648392][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 452.648392][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.648392][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.648392][ T10] ipv6_find_idev+0x102/0x170 [ 452.648392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.648392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.648392][ T10] netlink_rcv_skb+0x130/0x360 [ 452.648392][ T10] netlink_unicast+0x449/0x710 [ 452.648392][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.648392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.648392][ T10] ___sys_sendmsg+0xee/0x170 [ 452.648392][ T10] __sys_sendmsg+0xcd/0x170 [ 452.648392][ T10] do_syscall_64+0xc6/0x1e0 [ 452.648392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.648392][ T10] [ 452.650497][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 452.650808][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 452.650808][ T10] netdev_get_by_index+0x5e/0x80 [ 452.650808][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.650808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.650808][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.650808][ T10] ipv6_add_addr+0x411/0x2000 [ 452.650808][ T10] inet6_addr_add+0x30e/0xa40 [ 452.650808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.650808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.650808][ T10] netlink_rcv_skb+0x130/0x360 [ 452.650808][ T10] netlink_unicast+0x449/0x710 [ 452.650808][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.650808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.650808][ T10] ___sys_sendmsg+0xee/0x170 [ 452.650808][ T10] __sys_sendmsg+0xcd/0x170 [ 452.650808][ T10] do_syscall_64+0xc6/0x1e0 [ 452.650808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.650808][ T10] [ 452.653079][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 452.653079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.653079][ T10] ipv6_find_idev+0x102/0x170 [ 452.653079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.653079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.653079][ T10] netlink_rcv_skb+0x130/0x360 [ 452.653079][ T10] netlink_unicast+0x449/0x710 [ 452.653079][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.653079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.653079][ T10] ___sys_sendmsg+0xee/0x170 [ 452.653079][ T10] __sys_sendmsg+0xcd/0x170 [ 452.653079][ T10] do_syscall_64+0xc6/0x1e0 [ 452.653079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.653079][ T10] [ 452.654787][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 452.654787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.654787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.654787][ T10] ipv6_find_idev+0x102/0x170 [ 452.654787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.654787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.654787][ T10] netlink_rcv_skb+0x130/0x360 [ 452.654787][ T10] netlink_unicast+0x449/0x710 [ 452.654787][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.654787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.654787][ T10] ___sys_sendmsg+0xee/0x170 [ 452.654787][ T10] __sys_sendmsg+0xcd/0x170 [ 452.654787][ T10] do_syscall_64+0xc6/0x1e0 [ 452.654787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.654787][ T10] [ 452.656630][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 452.656966][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 452.656966][ T10] netdev_get_by_index+0x5e/0x80 [ 452.656966][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.656966][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.656966][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.656966][ T10] ipv6_add_addr+0x411/0x2000 [ 452.656966][ T10] inet6_addr_add+0x30e/0xa40 [ 452.656966][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.656966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.656966][ T10] netlink_rcv_skb+0x130/0x360 [ 452.656966][ T10] netlink_unicast+0x449/0x710 [ 452.656966][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.656966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.656966][ T10] ___sys_sendmsg+0xee/0x170 [ 452.656966][ T10] __sys_sendmsg+0xcd/0x170 [ 452.656966][ T10] do_syscall_64+0xc6/0x1e0 [ 452.656966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.656966][ T10] [ 452.659829][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 452.659829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.659829][ T10] ipv6_find_idev+0x102/0x170 [ 452.659829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.659829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.659829][ T10] netlink_rcv_skb+0x130/0x360 [ 452.659829][ T10] netlink_unicast+0x449/0x710 [ 452.659829][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.659829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.659829][ T10] ___sys_sendmsg+0xee/0x170 [ 452.659829][ T10] __sys_sendmsg+0xcd/0x170 [ 452.659829][ T10] do_syscall_64+0xc6/0x1e0 [ 452.659829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.659829][ T10] [ 452.661465][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 452.661465][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.661465][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.661465][ T10] ipv6_find_idev+0x102/0x170 [ 452.661465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.661465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.661465][ T10] netlink_rcv_skb+0x130/0x360 [ 452.661465][ T10] netlink_unicast+0x449/0x710 [ 452.661465][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.661465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.661465][ T10] ___sys_sendmsg+0xee/0x170 [ 452.661465][ T10] __sys_sendmsg+0xcd/0x170 [ 452.661465][ T10] do_syscall_64+0xc6/0x1e0 [ 452.661465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.661465][ T10] [ 452.663417][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 452.663736][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 452.663736][ T10] netdev_get_by_index+0x5e/0x80 [ 452.663736][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.663736][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.663736][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.663736][ T10] ipv6_add_addr+0x411/0x2000 [ 452.663736][ T10] inet6_addr_add+0x30e/0xa40 [ 452.663736][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.663736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.663736][ T10] netlink_rcv_skb+0x130/0x360 [ 452.663736][ T10] netlink_unicast+0x449/0x710 [ 452.663736][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.663736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.663736][ T10] ___sys_sendmsg+0xee/0x170 [ 452.663736][ T10] __sys_sendmsg+0xcd/0x170 [ 452.663736][ T10] do_syscall_64+0xc6/0x1e0 [ 452.663736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.663736][ T10] [ 452.666051][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 452.666051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.666051][ T10] ipv6_find_idev+0x102/0x170 [ 452.666051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.666051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.666051][ T10] netlink_rcv_skb+0x130/0x360 [ 452.666051][ T10] netlink_unicast+0x449/0x710 [ 452.666051][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.666051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.666051][ T10] ___sys_sendmsg+0xee/0x170 [ 452.666051][ T10] __sys_sendmsg+0xcd/0x170 [ 452.666051][ T10] do_syscall_64+0xc6/0x1e0 [ 452.666051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.666051][ T10] [ 452.667694][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 452.667694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.667694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.667694][ T10] ipv6_find_idev+0x102/0x170 [ 452.667694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.667694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.667694][ T10] netlink_rcv_skb+0x130/0x360 [ 452.667694][ T10] netlink_unicast+0x449/0x710 [ 452.667694][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.667694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.667694][ T10] ___sys_sendmsg+0xee/0x170 [ 452.667694][ T10] __sys_sendmsg+0xcd/0x170 [ 452.667694][ T10] do_syscall_64+0xc6/0x1e0 [ 452.667694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.667694][ T10] [ 452.669821][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 452.670436][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 452.670436][ T10] netdev_get_by_index+0x5e/0x80 [ 452.670436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.670436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.670436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.670436][ T10] ipv6_add_addr+0x411/0x2000 [ 452.670436][ T10] inet6_addr_add+0x30e/0xa40 [ 452.670436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.670436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.670436][ T10] netlink_rcv_skb+0x130/0x360 [ 452.670436][ T10] netlink_unicast+0x449/0x710 [ 452.670436][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.670436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.670436][ T10] ___sys_sendmsg+0xee/0x170 [ 452.670436][ T10] __sys_sendmsg+0xcd/0x170 [ 452.670436][ T10] do_syscall_64+0xc6/0x1e0 [ 452.670436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.670436][ T10] [ 452.672455][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 452.672455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.672455][ T10] ipv6_find_idev+0x102/0x170 [ 452.672455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.672455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.672455][ T10] netlink_rcv_skb+0x130/0x360 [ 452.672455][ T10] netlink_unicast+0x449/0x710 [ 452.672455][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.672455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.672455][ T10] ___sys_sendmsg+0xee/0x170 [ 452.672455][ T10] __sys_sendmsg+0xcd/0x170 [ 452.672455][ T10] do_syscall_64+0xc6/0x1e0 [ 452.672455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.672455][ T10] [ 452.674201][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 452.674201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.674201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.674201][ T10] ipv6_find_idev+0x102/0x170 [ 452.674201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.674201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.674201][ T10] netlink_rcv_skb+0x130/0x360 [ 452.674201][ T10] netlink_unicast+0x449/0x710 [ 452.674201][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.674201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.674201][ T10] ___sys_sendmsg+0xee/0x170 [ 452.674201][ T10] __sys_sendmsg+0xcd/0x170 [ 452.674201][ T10] do_syscall_64+0xc6/0x1e0 [ 452.674201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.674201][ T10] [ 452.675916][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 452.676186][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 452.676186][ T10] netdev_get_by_index+0x5e/0x80 [ 452.676186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.676186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.676186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.676186][ T10] ipv6_add_addr+0x411/0x2000 [ 452.676186][ T10] inet6_addr_add+0x30e/0xa40 [ 452.676186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.676186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.676186][ T10] netlink_rcv_skb+0x130/0x360 [ 452.676186][ T10] netlink_unicast+0x449/0x710 [ 452.676186][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.676186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.676186][ T10] ___sys_sendmsg+0xee/0x170 [ 452.676186][ T10] __sys_sendmsg+0xcd/0x170 [ 452.676186][ T10] do_syscall_64+0xc6/0x1e0 [ 452.676186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.676186][ T10] [ 452.678204][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 452.678204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.678204][ T10] ipv6_find_idev+0x102/0x170 [ 452.678204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.678204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.678204][ T10] netlink_rcv_skb+0x130/0x360 [ 452.678204][ T10] netlink_unicast+0x449/0x710 [ 452.678204][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.678204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.678204][ T10] ___sys_sendmsg+0xee/0x170 [ 452.678204][ T10] __sys_sendmsg+0xcd/0x170 [ 452.678204][ T10] do_syscall_64+0xc6/0x1e0 [ 452.678204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.678204][ T10] [ 452.679821][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 452.679821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.679821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.679821][ T10] ipv6_find_idev+0x102/0x170 [ 452.679821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.679821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.679821][ T10] netlink_rcv_skb+0x130/0x360 [ 452.679821][ T10] netlink_unicast+0x449/0x710 [ 452.679821][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.679821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.679821][ T10] ___sys_sendmsg+0xee/0x170 [ 452.679821][ T10] __sys_sendmsg+0xcd/0x170 [ 452.679821][ T10] do_syscall_64+0xc6/0x1e0 [ 452.679821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.679821][ T10] [ 452.681907][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 452.682254][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 452.682254][ T10] netdev_get_by_index+0x5e/0x80 [ 452.682254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.682254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.682254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.682254][ T10] ipv6_add_addr+0x411/0x2000 [ 452.682254][ T10] inet6_addr_add+0x30e/0xa40 [ 452.682254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.682254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.682254][ T10] netlink_rcv_skb+0x130/0x360 [ 452.682254][ T10] netlink_unicast+0x449/0x710 [ 452.682254][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.682254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.682254][ T10] ___sys_sendmsg+0xee/0x170 [ 452.682254][ T10] __sys_sendmsg+0xcd/0x170 [ 452.682254][ T10] do_syscall_64+0xc6/0x1e0 [ 452.682254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.682254][ T10] [ 452.684527][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 452.684527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.684527][ T10] ipv6_find_idev+0x102/0x170 [ 452.684527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.684527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.684527][ T10] netlink_rcv_skb+0x130/0x360 [ 452.684527][ T10] netlink_unicast+0x449/0x710 [ 452.684527][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.684527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.684527][ T10] ___sys_sendmsg+0xee/0x170 [ 452.684527][ T10] __sys_sendmsg+0xcd/0x170 [ 452.684527][ T10] do_syscall_64+0xc6/0x1e0 [ 452.684527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.684527][ T10] [ 452.686274][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 452.686274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.686274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.686274][ T10] ipv6_find_idev+0x102/0x170 [ 452.686274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.686274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.686274][ T10] netlink_rcv_skb+0x130/0x360 [ 452.686274][ T10] netlink_unicast+0x449/0x710 [ 452.686274][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.686274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.686274][ T10] ___sys_sendmsg+0xee/0x170 [ 452.686274][ T10] __sys_sendmsg+0xcd/0x170 [ 452.686274][ T10] do_syscall_64+0xc6/0x1e0 [ 452.686274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.686274][ T10] [ 452.688202][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 452.688514][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 452.688514][ T10] netdev_get_by_index+0x5e/0x80 [ 452.688514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 452.688514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 452.688514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 452.688514][ T10] ipv6_add_addr+0x411/0x2000 [ 452.688514][ T10] inet6_addr_add+0x30e/0xa40 [ 452.688514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 452.688514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.688514][ T10] netlink_rcv_skb+0x130/0x360 [ 452.688514][ T10] netlink_unicast+0x449/0x710 [ 452.688514][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.688514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.688514][ T10] ___sys_sendmsg+0xee/0x170 [ 452.688514][ T10] __sys_sendmsg+0xcd/0x170 [ 452.688514][ T10] do_syscall_64+0xc6/0x1e0 [ 452.688514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.688514][ T10] [ 452.690736][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 452.690736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 452.690736][ T10] ipv6_find_idev+0x102/0x170 [ 452.690736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.690736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.690736][ T10] netlink_rcv_skb+0x130/0x360 [ 452.690736][ T10] netlink_unicast+0x449/0x710 [ 452.690736][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.690736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.690736][ T10] ___sys_sendmsg+0xee/0x170 [ 452.690736][ T10] __sys_sendmsg+0xcd/0x170 [ 452.690736][ T10] do_syscall_64+0xc6/0x1e0 [ 452.690736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.690736][ T10] [ 452.692490][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 452.692490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 452.692490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 452.692490][ T10] ipv6_find_idev+0x102/0x170 [ 452.692490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 452.692490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 452.692490][ T10] netlink_rcv_skb+0x130/0x360 [ 452.692490][ T10] netlink_unicast+0x449/0x710 [ 452.692490][ T10] netlink_sendmsg+0x723/0xbe0 [ 452.692490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 452.692490][ T10] ___sys_sendmsg+0xee/0x170 [ 452.692490][ T10] __sys_sendmsg+0xcd/0x170 [ 452.692490][ T10] do_syscall_64+0xc6/0x1e0 [ 452.692490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 452.692490][ T10] [ 462.930936][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 462.931358][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 462.931358][ T10] netdev_get_by_index+0x5e/0x80 [ 462.931358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.931358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.931358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.931358][ T10] ipv6_add_addr+0x411/0x2000 [ 462.931358][ T10] inet6_addr_add+0x30e/0xa40 [ 462.931358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.931358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.931358][ T10] netlink_rcv_skb+0x130/0x360 [ 462.931358][ T10] netlink_unicast+0x449/0x710 [ 462.931358][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.931358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.931358][ T10] ___sys_sendmsg+0xee/0x170 [ 462.931358][ T10] __sys_sendmsg+0xcd/0x170 [ 462.931358][ T10] do_syscall_64+0xc6/0x1e0 [ 462.931358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.931358][ T10] [ 462.933614][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 462.933614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.933614][ T10] ipv6_find_idev+0x102/0x170 [ 462.933614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.933614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.933614][ T10] netlink_rcv_skb+0x130/0x360 [ 462.933614][ T10] netlink_unicast+0x449/0x710 [ 462.933614][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.933614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.933614][ T10] ___sys_sendmsg+0xee/0x170 [ 462.933614][ T10] __sys_sendmsg+0xcd/0x170 [ 462.933614][ T10] do_syscall_64+0xc6/0x1e0 [ 462.933614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.933614][ T10] [ 462.935360][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 462.935360][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.935360][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.935360][ T10] ipv6_find_idev+0x102/0x170 [ 462.935360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.935360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.935360][ T10] netlink_rcv_skb+0x130/0x360 [ 462.935360][ T10] netlink_unicast+0x449/0x710 [ 462.935360][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.935360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.935360][ T10] ___sys_sendmsg+0xee/0x170 [ 462.935360][ T10] __sys_sendmsg+0xcd/0x170 [ 462.935360][ T10] do_syscall_64+0xc6/0x1e0 [ 462.935360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.935360][ T10] [ 462.937282][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 462.937605][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 462.937605][ T10] netdev_get_by_index+0x5e/0x80 [ 462.937605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.937605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.937605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.937605][ T10] ipv6_add_addr+0x411/0x2000 [ 462.937605][ T10] inet6_addr_add+0x30e/0xa40 [ 462.937605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.937605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.937605][ T10] netlink_rcv_skb+0x130/0x360 [ 462.937605][ T10] netlink_unicast+0x449/0x710 [ 462.937605][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.937605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.937605][ T10] ___sys_sendmsg+0xee/0x170 [ 462.937605][ T10] __sys_sendmsg+0xcd/0x170 [ 462.937605][ T10] do_syscall_64+0xc6/0x1e0 [ 462.937605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.937605][ T10] [ 462.939856][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 462.939856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.939856][ T10] ipv6_find_idev+0x102/0x170 [ 462.939856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.939856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.939856][ T10] netlink_rcv_skb+0x130/0x360 [ 462.939856][ T10] netlink_unicast+0x449/0x710 [ 462.939856][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.939856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.939856][ T10] ___sys_sendmsg+0xee/0x170 [ 462.939856][ T10] __sys_sendmsg+0xcd/0x170 [ 462.939856][ T10] do_syscall_64+0xc6/0x1e0 [ 462.939856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.939856][ T10] [ 462.941630][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 462.941630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.941630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.941630][ T10] ipv6_find_idev+0x102/0x170 [ 462.941630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.941630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.941630][ T10] netlink_rcv_skb+0x130/0x360 [ 462.941630][ T10] netlink_unicast+0x449/0x710 [ 462.941630][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.941630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.941630][ T10] ___sys_sendmsg+0xee/0x170 [ 462.941630][ T10] __sys_sendmsg+0xcd/0x170 [ 462.941630][ T10] do_syscall_64+0xc6/0x1e0 [ 462.941630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.941630][ T10] [ 462.943566][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 462.943881][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 462.943881][ T10] netdev_get_by_index+0x5e/0x80 [ 462.943881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.943881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.943881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.943881][ T10] ipv6_add_addr+0x411/0x2000 [ 462.943881][ T10] inet6_addr_add+0x30e/0xa40 [ 462.943881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.943881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.943881][ T10] netlink_rcv_skb+0x130/0x360 [ 462.943881][ T10] netlink_unicast+0x449/0x710 [ 462.943881][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.943881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.943881][ T10] ___sys_sendmsg+0xee/0x170 [ 462.943881][ T10] __sys_sendmsg+0xcd/0x170 [ 462.943881][ T10] do_syscall_64+0xc6/0x1e0 [ 462.943881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.943881][ T10] [ 462.945958][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 462.945958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.945958][ T10] ipv6_find_idev+0x102/0x170 [ 462.945958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.945958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.945958][ T10] netlink_rcv_skb+0x130/0x360 [ 462.945958][ T10] netlink_unicast+0x449/0x710 [ 462.945958][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.945958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.945958][ T10] ___sys_sendmsg+0xee/0x170 [ 462.945958][ T10] __sys_sendmsg+0xcd/0x170 [ 462.945958][ T10] do_syscall_64+0xc6/0x1e0 [ 462.945958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.945958][ T10] [ 462.947495][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 462.947495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.947495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.947495][ T10] ipv6_find_idev+0x102/0x170 [ 462.947495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.947495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.947495][ T10] netlink_rcv_skb+0x130/0x360 [ 462.947495][ T10] netlink_unicast+0x449/0x710 [ 462.947495][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.947495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.947495][ T10] ___sys_sendmsg+0xee/0x170 [ 462.947495][ T10] __sys_sendmsg+0xcd/0x170 [ 462.947495][ T10] do_syscall_64+0xc6/0x1e0 [ 462.947495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.947495][ T10] [ 462.949186][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 462.949455][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 462.949455][ T10] netdev_get_by_index+0x5e/0x80 [ 462.949455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.949455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.949455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.949455][ T10] ipv6_add_addr+0x411/0x2000 [ 462.949455][ T10] inet6_addr_add+0x30e/0xa40 [ 462.949455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.949455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.949455][ T10] netlink_rcv_skb+0x130/0x360 [ 462.949455][ T10] netlink_unicast+0x449/0x710 [ 462.949455][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.949455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.949455][ T10] ___sys_sendmsg+0xee/0x170 [ 462.949455][ T10] __sys_sendmsg+0xcd/0x170 [ 462.949455][ T10] do_syscall_64+0xc6/0x1e0 [ 462.949455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.949455][ T10] [ 462.951465][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 462.951465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.951465][ T10] ipv6_find_idev+0x102/0x170 [ 462.951465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.951465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.951465][ T10] netlink_rcv_skb+0x130/0x360 [ 462.951465][ T10] netlink_unicast+0x449/0x710 [ 462.951465][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.951465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.951465][ T10] ___sys_sendmsg+0xee/0x170 [ 462.951465][ T10] __sys_sendmsg+0xcd/0x170 [ 462.951465][ T10] do_syscall_64+0xc6/0x1e0 [ 462.951465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.951465][ T10] [ 462.953101][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 462.953101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.953101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.953101][ T10] ipv6_find_idev+0x102/0x170 [ 462.953101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.953101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.953101][ T10] netlink_rcv_skb+0x130/0x360 [ 462.953101][ T10] netlink_unicast+0x449/0x710 [ 462.953101][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.953101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.953101][ T10] ___sys_sendmsg+0xee/0x170 [ 462.953101][ T10] __sys_sendmsg+0xcd/0x170 [ 462.953101][ T10] do_syscall_64+0xc6/0x1e0 [ 462.953101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.953101][ T10] [ 462.955192][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 462.955799][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 462.955799][ T10] netdev_get_by_index+0x5e/0x80 [ 462.955799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.955799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.955799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.955799][ T10] ipv6_add_addr+0x411/0x2000 [ 462.955799][ T10] inet6_addr_add+0x30e/0xa40 [ 462.955799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.955799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.955799][ T10] netlink_rcv_skb+0x130/0x360 [ 462.955799][ T10] netlink_unicast+0x449/0x710 [ 462.955799][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.955799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.955799][ T10] ___sys_sendmsg+0xee/0x170 [ 462.955799][ T10] __sys_sendmsg+0xcd/0x170 [ 462.955799][ T10] do_syscall_64+0xc6/0x1e0 [ 462.955799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.955799][ T10] [ 462.957819][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 462.957819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.957819][ T10] ipv6_find_idev+0x102/0x170 [ 462.957819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.957819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.957819][ T10] netlink_rcv_skb+0x130/0x360 [ 462.957819][ T10] netlink_unicast+0x449/0x710 [ 462.957819][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.957819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.957819][ T10] ___sys_sendmsg+0xee/0x170 [ 462.957819][ T10] __sys_sendmsg+0xcd/0x170 [ 462.957819][ T10] do_syscall_64+0xc6/0x1e0 [ 462.957819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.957819][ T10] [ 462.959430][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 462.959430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.959430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.959430][ T10] ipv6_find_idev+0x102/0x170 [ 462.959430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.959430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.959430][ T10] netlink_rcv_skb+0x130/0x360 [ 462.959430][ T10] netlink_unicast+0x449/0x710 [ 462.959430][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.959430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.959430][ T10] ___sys_sendmsg+0xee/0x170 [ 462.959430][ T10] __sys_sendmsg+0xcd/0x170 [ 462.959430][ T10] do_syscall_64+0xc6/0x1e0 [ 462.959430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.959430][ T10] [ 462.961129][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 462.961417][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 462.961417][ T10] netdev_get_by_index+0x5e/0x80 [ 462.961417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.961417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.961417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.961417][ T10] ipv6_add_addr+0x411/0x2000 [ 462.961417][ T10] inet6_addr_add+0x30e/0xa40 [ 462.961417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.961417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.961417][ T10] netlink_rcv_skb+0x130/0x360 [ 462.961417][ T10] netlink_unicast+0x449/0x710 [ 462.961417][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.961417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.961417][ T10] ___sys_sendmsg+0xee/0x170 [ 462.961417][ T10] __sys_sendmsg+0xcd/0x170 [ 462.961417][ T10] do_syscall_64+0xc6/0x1e0 [ 462.961417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.961417][ T10] [ 462.963468][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 462.963468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.963468][ T10] ipv6_find_idev+0x102/0x170 [ 462.963468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.963468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.963468][ T10] netlink_rcv_skb+0x130/0x360 [ 462.963468][ T10] netlink_unicast+0x449/0x710 [ 462.963468][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.963468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.963468][ T10] ___sys_sendmsg+0xee/0x170 [ 462.963468][ T10] __sys_sendmsg+0xcd/0x170 [ 462.963468][ T10] do_syscall_64+0xc6/0x1e0 [ 462.963468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.963468][ T10] [ 462.965115][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 462.965115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.965115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.965115][ T10] ipv6_find_idev+0x102/0x170 [ 462.965115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.965115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.965115][ T10] netlink_rcv_skb+0x130/0x360 [ 462.965115][ T10] netlink_unicast+0x449/0x710 [ 462.965115][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.965115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.965115][ T10] ___sys_sendmsg+0xee/0x170 [ 462.965115][ T10] __sys_sendmsg+0xcd/0x170 [ 462.965115][ T10] do_syscall_64+0xc6/0x1e0 [ 462.965115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.965115][ T10] [ 462.967075][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 462.967398][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 462.967398][ T10] netdev_get_by_index+0x5e/0x80 [ 462.967398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.967398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.967398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.967398][ T10] ipv6_add_addr+0x411/0x2000 [ 462.967398][ T10] inet6_addr_add+0x30e/0xa40 [ 462.967398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.967398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.967398][ T10] netlink_rcv_skb+0x130/0x360 [ 462.967398][ T10] netlink_unicast+0x449/0x710 [ 462.967398][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.967398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.967398][ T10] ___sys_sendmsg+0xee/0x170 [ 462.967398][ T10] __sys_sendmsg+0xcd/0x170 [ 462.967398][ T10] do_syscall_64+0xc6/0x1e0 [ 462.967398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.967398][ T10] [ 462.969613][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 462.969613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.969613][ T10] ipv6_find_idev+0x102/0x170 [ 462.969613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.969613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.969613][ T10] netlink_rcv_skb+0x130/0x360 [ 462.969613][ T10] netlink_unicast+0x449/0x710 [ 462.969613][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.969613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.969613][ T10] ___sys_sendmsg+0xee/0x170 [ 462.969613][ T10] __sys_sendmsg+0xcd/0x170 [ 462.969613][ T10] do_syscall_64+0xc6/0x1e0 [ 462.969613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.969613][ T10] [ 462.971436][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 462.971436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.971436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.971436][ T10] ipv6_find_idev+0x102/0x170 [ 462.971436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.971436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.971436][ T10] netlink_rcv_skb+0x130/0x360 [ 462.971436][ T10] netlink_unicast+0x449/0x710 [ 462.971436][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.971436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.971436][ T10] ___sys_sendmsg+0xee/0x170 [ 462.971436][ T10] __sys_sendmsg+0xcd/0x170 [ 462.971436][ T10] do_syscall_64+0xc6/0x1e0 [ 462.971436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.971436][ T10] [ 462.973381][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 462.973699][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 462.973699][ T10] netdev_get_by_index+0x5e/0x80 [ 462.973699][ T10] fib6_nh_init+0x3d8/0x15b0 [ 462.973699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 462.973699][ T10] addrconf_f6i_alloc+0x244/0x410 [ 462.973699][ T10] ipv6_add_addr+0x411/0x2000 [ 462.973699][ T10] inet6_addr_add+0x30e/0xa40 [ 462.973699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 462.973699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.973699][ T10] netlink_rcv_skb+0x130/0x360 [ 462.973699][ T10] netlink_unicast+0x449/0x710 [ 462.973699][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.973699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.973699][ T10] ___sys_sendmsg+0xee/0x170 [ 462.973699][ T10] __sys_sendmsg+0xcd/0x170 [ 462.973699][ T10] do_syscall_64+0xc6/0x1e0 [ 462.973699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.973699][ T10] [ 462.975927][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 462.975927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 462.975927][ T10] ipv6_find_idev+0x102/0x170 [ 462.975927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.975927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.975927][ T10] netlink_rcv_skb+0x130/0x360 [ 462.975927][ T10] netlink_unicast+0x449/0x710 [ 462.975927][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.975927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.975927][ T10] ___sys_sendmsg+0xee/0x170 [ 462.975927][ T10] __sys_sendmsg+0xcd/0x170 [ 462.975927][ T10] do_syscall_64+0xc6/0x1e0 [ 462.975927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.975927][ T10] [ 462.977689][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 462.977689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 462.977689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 462.977689][ T10] ipv6_find_idev+0x102/0x170 [ 462.977689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 462.977689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 462.977689][ T10] netlink_rcv_skb+0x130/0x360 [ 462.977689][ T10] netlink_unicast+0x449/0x710 [ 462.977689][ T10] netlink_sendmsg+0x723/0xbe0 [ 462.977689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 462.977689][ T10] ___sys_sendmsg+0xee/0x170 [ 462.977689][ T10] __sys_sendmsg+0xcd/0x170 [ 462.977689][ T10] do_syscall_64+0xc6/0x1e0 [ 462.977689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 462.977689][ T10] [ 473.218921][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 473.219342][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 473.219342][ T10] netdev_get_by_index+0x5e/0x80 [ 473.219342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.219342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.219342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.219342][ T10] ipv6_add_addr+0x411/0x2000 [ 473.219342][ T10] inet6_addr_add+0x30e/0xa40 [ 473.219342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.219342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.219342][ T10] netlink_rcv_skb+0x130/0x360 [ 473.219342][ T10] netlink_unicast+0x449/0x710 [ 473.219342][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.219342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.219342][ T10] ___sys_sendmsg+0xee/0x170 [ 473.219342][ T10] __sys_sendmsg+0xcd/0x170 [ 473.219342][ T10] do_syscall_64+0xc6/0x1e0 [ 473.219342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.219342][ T10] [ 473.221525][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 473.221525][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.221525][ T10] ipv6_find_idev+0x102/0x170 [ 473.221525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.221525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.221525][ T10] netlink_rcv_skb+0x130/0x360 [ 473.221525][ T10] netlink_unicast+0x449/0x710 [ 473.221525][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.221525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.221525][ T10] ___sys_sendmsg+0xee/0x170 [ 473.221525][ T10] __sys_sendmsg+0xcd/0x170 [ 473.221525][ T10] do_syscall_64+0xc6/0x1e0 [ 473.221525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.221525][ T10] [ 473.223153][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 473.223153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.223153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.223153][ T10] ipv6_find_idev+0x102/0x170 [ 473.223153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.223153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.223153][ T10] netlink_rcv_skb+0x130/0x360 [ 473.223153][ T10] netlink_unicast+0x449/0x710 [ 473.223153][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.223153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.223153][ T10] ___sys_sendmsg+0xee/0x170 [ 473.223153][ T10] __sys_sendmsg+0xcd/0x170 [ 473.223153][ T10] do_syscall_64+0xc6/0x1e0 [ 473.223153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.223153][ T10] [ 473.224963][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 473.225241][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 473.225241][ T10] netdev_get_by_index+0x5e/0x80 [ 473.225241][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.225241][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.225241][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.225241][ T10] ipv6_add_addr+0x411/0x2000 [ 473.225241][ T10] inet6_addr_add+0x30e/0xa40 [ 473.225241][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.225241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.225241][ T10] netlink_rcv_skb+0x130/0x360 [ 473.225241][ T10] netlink_unicast+0x449/0x710 [ 473.225241][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.225241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.225241][ T10] ___sys_sendmsg+0xee/0x170 [ 473.225241][ T10] __sys_sendmsg+0xcd/0x170 [ 473.225241][ T10] do_syscall_64+0xc6/0x1e0 [ 473.225241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.225241][ T10] [ 473.227264][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 473.227264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.227264][ T10] ipv6_find_idev+0x102/0x170 [ 473.227264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.227264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.227264][ T10] netlink_rcv_skb+0x130/0x360 [ 473.227264][ T10] netlink_unicast+0x449/0x710 [ 473.227264][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.227264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.227264][ T10] ___sys_sendmsg+0xee/0x170 [ 473.227264][ T10] __sys_sendmsg+0xcd/0x170 [ 473.227264][ T10] do_syscall_64+0xc6/0x1e0 [ 473.227264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.227264][ T10] [ 473.228870][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 473.228870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.228870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.228870][ T10] ipv6_find_idev+0x102/0x170 [ 473.228870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.228870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.228870][ T10] netlink_rcv_skb+0x130/0x360 [ 473.228870][ T10] netlink_unicast+0x449/0x710 [ 473.228870][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.228870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.228870][ T10] ___sys_sendmsg+0xee/0x170 [ 473.228870][ T10] __sys_sendmsg+0xcd/0x170 [ 473.228870][ T10] do_syscall_64+0xc6/0x1e0 [ 473.228870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.228870][ T10] [ 473.230587][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 473.230875][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 473.230875][ T10] netdev_get_by_index+0x5e/0x80 [ 473.230875][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.230875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.230875][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.230875][ T10] ipv6_add_addr+0x411/0x2000 [ 473.230875][ T10] inet6_addr_add+0x30e/0xa40 [ 473.230875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.230875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.230875][ T10] netlink_rcv_skb+0x130/0x360 [ 473.230875][ T10] netlink_unicast+0x449/0x710 [ 473.230875][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.230875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.230875][ T10] ___sys_sendmsg+0xee/0x170 [ 473.230875][ T10] __sys_sendmsg+0xcd/0x170 [ 473.230875][ T10] do_syscall_64+0xc6/0x1e0 [ 473.230875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.230875][ T10] [ 473.232962][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 473.232962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.232962][ T10] ipv6_find_idev+0x102/0x170 [ 473.232962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.232962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.232962][ T10] netlink_rcv_skb+0x130/0x360 [ 473.232962][ T10] netlink_unicast+0x449/0x710 [ 473.232962][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.232962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.232962][ T10] ___sys_sendmsg+0xee/0x170 [ 473.232962][ T10] __sys_sendmsg+0xcd/0x170 [ 473.232962][ T10] do_syscall_64+0xc6/0x1e0 [ 473.232962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.232962][ T10] [ 473.234524][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 473.234524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.234524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.234524][ T10] ipv6_find_idev+0x102/0x170 [ 473.234524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.234524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.234524][ T10] netlink_rcv_skb+0x130/0x360 [ 473.234524][ T10] netlink_unicast+0x449/0x710 [ 473.234524][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.234524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.234524][ T10] ___sys_sendmsg+0xee/0x170 [ 473.234524][ T10] __sys_sendmsg+0xcd/0x170 [ 473.234524][ T10] do_syscall_64+0xc6/0x1e0 [ 473.234524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.234524][ T10] [ 473.236530][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 473.237811][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 473.237811][ T10] netdev_get_by_index+0x5e/0x80 [ 473.237811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.237811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.237811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.237811][ T10] ipv6_add_addr+0x411/0x2000 [ 473.237811][ T10] inet6_addr_add+0x30e/0xa40 [ 473.237811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.237811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.237811][ T10] netlink_rcv_skb+0x130/0x360 [ 473.237811][ T10] netlink_unicast+0x449/0x710 [ 473.237811][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.237811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.237811][ T10] ___sys_sendmsg+0xee/0x170 [ 473.237811][ T10] __sys_sendmsg+0xcd/0x170 [ 473.237811][ T10] do_syscall_64+0xc6/0x1e0 [ 473.237811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.237811][ T10] [ 473.240717][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 473.240717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.240717][ T10] ipv6_find_idev+0x102/0x170 [ 473.240717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.240717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.240717][ T10] netlink_rcv_skb+0x130/0x360 [ 473.240717][ T10] netlink_unicast+0x449/0x710 [ 473.240717][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.240717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.240717][ T10] ___sys_sendmsg+0xee/0x170 [ 473.240717][ T10] __sys_sendmsg+0xcd/0x170 [ 473.240717][ T10] do_syscall_64+0xc6/0x1e0 [ 473.240717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.240717][ T10] [ 473.242283][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 473.242283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.242283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.242283][ T10] ipv6_find_idev+0x102/0x170 [ 473.242283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.242283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.242283][ T10] netlink_rcv_skb+0x130/0x360 [ 473.242283][ T10] netlink_unicast+0x449/0x710 [ 473.242283][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.242283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.242283][ T10] ___sys_sendmsg+0xee/0x170 [ 473.242283][ T10] __sys_sendmsg+0xcd/0x170 [ 473.242283][ T10] do_syscall_64+0xc6/0x1e0 [ 473.242283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.242283][ T10] [ 473.244054][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 473.244373][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 473.244373][ T10] netdev_get_by_index+0x5e/0x80 [ 473.244373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.244373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.244373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.244373][ T10] ipv6_add_addr+0x411/0x2000 [ 473.244373][ T10] inet6_addr_add+0x30e/0xa40 [ 473.244373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.244373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.244373][ T10] netlink_rcv_skb+0x130/0x360 [ 473.244373][ T10] netlink_unicast+0x449/0x710 [ 473.244373][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.244373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.244373][ T10] ___sys_sendmsg+0xee/0x170 [ 473.244373][ T10] __sys_sendmsg+0xcd/0x170 [ 473.244373][ T10] do_syscall_64+0xc6/0x1e0 [ 473.244373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.244373][ T10] [ 473.246400][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 473.246400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.246400][ T10] ipv6_find_idev+0x102/0x170 [ 473.246400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.246400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.246400][ T10] netlink_rcv_skb+0x130/0x360 [ 473.246400][ T10] netlink_unicast+0x449/0x710 [ 473.246400][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.246400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.246400][ T10] ___sys_sendmsg+0xee/0x170 [ 473.246400][ T10] __sys_sendmsg+0xcd/0x170 [ 473.246400][ T10] do_syscall_64+0xc6/0x1e0 [ 473.246400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.246400][ T10] [ 473.247950][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 473.247950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.247950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.247950][ T10] ipv6_find_idev+0x102/0x170 [ 473.247950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.247950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.247950][ T10] netlink_rcv_skb+0x130/0x360 [ 473.247950][ T10] netlink_unicast+0x449/0x710 [ 473.247950][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.247950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.247950][ T10] ___sys_sendmsg+0xee/0x170 [ 473.247950][ T10] __sys_sendmsg+0xcd/0x170 [ 473.247950][ T10] do_syscall_64+0xc6/0x1e0 [ 473.247950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.247950][ T10] [ 473.249878][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 473.250378][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 473.250378][ T10] netdev_get_by_index+0x5e/0x80 [ 473.250378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.250378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.250378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.250378][ T10] ipv6_add_addr+0x411/0x2000 [ 473.250378][ T10] inet6_addr_add+0x30e/0xa40 [ 473.250378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.250378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.250378][ T10] netlink_rcv_skb+0x130/0x360 [ 473.250378][ T10] netlink_unicast+0x449/0x710 [ 473.250378][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.250378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.250378][ T10] ___sys_sendmsg+0xee/0x170 [ 473.250378][ T10] __sys_sendmsg+0xcd/0x170 [ 473.250378][ T10] do_syscall_64+0xc6/0x1e0 [ 473.250378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.250378][ T10] [ 473.253585][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 473.253585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.253585][ T10] ipv6_find_idev+0x102/0x170 [ 473.253585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.253585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.253585][ T10] netlink_rcv_skb+0x130/0x360 [ 473.253585][ T10] netlink_unicast+0x449/0x710 [ 473.253585][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.253585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.253585][ T10] ___sys_sendmsg+0xee/0x170 [ 473.253585][ T10] __sys_sendmsg+0xcd/0x170 [ 473.253585][ T10] do_syscall_64+0xc6/0x1e0 [ 473.253585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.253585][ T10] [ 473.255952][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 473.255952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.255952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.255952][ T10] ipv6_find_idev+0x102/0x170 [ 473.255952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.255952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.255952][ T10] netlink_rcv_skb+0x130/0x360 [ 473.255952][ T10] netlink_unicast+0x449/0x710 [ 473.255952][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.255952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.255952][ T10] ___sys_sendmsg+0xee/0x170 [ 473.255952][ T10] __sys_sendmsg+0xcd/0x170 [ 473.255952][ T10] do_syscall_64+0xc6/0x1e0 [ 473.255952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.255952][ T10] [ 473.257971][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 473.258286][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 473.258286][ T10] netdev_get_by_index+0x5e/0x80 [ 473.258286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.258286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.258286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.258286][ T10] ipv6_add_addr+0x411/0x2000 [ 473.258286][ T10] inet6_addr_add+0x30e/0xa40 [ 473.258286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.258286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.258286][ T10] netlink_rcv_skb+0x130/0x360 [ 473.258286][ T10] netlink_unicast+0x449/0x710 [ 473.258286][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.258286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.258286][ T10] ___sys_sendmsg+0xee/0x170 [ 473.258286][ T10] __sys_sendmsg+0xcd/0x170 [ 473.258286][ T10] do_syscall_64+0xc6/0x1e0 [ 473.258286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.258286][ T10] [ 473.260487][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 473.260487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.260487][ T10] ipv6_find_idev+0x102/0x170 [ 473.260487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.260487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.260487][ T10] netlink_rcv_skb+0x130/0x360 [ 473.260487][ T10] netlink_unicast+0x449/0x710 [ 473.260487][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.260487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.260487][ T10] ___sys_sendmsg+0xee/0x170 [ 473.260487][ T10] __sys_sendmsg+0xcd/0x170 [ 473.260487][ T10] do_syscall_64+0xc6/0x1e0 [ 473.260487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.260487][ T10] [ 473.262222][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 473.262222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.262222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.262222][ T10] ipv6_find_idev+0x102/0x170 [ 473.262222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.262222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.262222][ T10] netlink_rcv_skb+0x130/0x360 [ 473.262222][ T10] netlink_unicast+0x449/0x710 [ 473.262222][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.262222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.262222][ T10] ___sys_sendmsg+0xee/0x170 [ 473.262222][ T10] __sys_sendmsg+0xcd/0x170 [ 473.262222][ T10] do_syscall_64+0xc6/0x1e0 [ 473.262222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.262222][ T10] [ 473.264200][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 473.264514][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 473.264514][ T10] netdev_get_by_index+0x5e/0x80 [ 473.264514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 473.264514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 473.264514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 473.264514][ T10] ipv6_add_addr+0x411/0x2000 [ 473.264514][ T10] inet6_addr_add+0x30e/0xa40 [ 473.264514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 473.264514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.264514][ T10] netlink_rcv_skb+0x130/0x360 [ 473.264514][ T10] netlink_unicast+0x449/0x710 [ 473.264514][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.264514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.264514][ T10] ___sys_sendmsg+0xee/0x170 [ 473.264514][ T10] __sys_sendmsg+0xcd/0x170 [ 473.264514][ T10] do_syscall_64+0xc6/0x1e0 [ 473.264514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.264514][ T10] [ 473.266756][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 473.266756][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 473.266756][ T10] ipv6_find_idev+0x102/0x170 [ 473.266756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.266756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.266756][ T10] netlink_rcv_skb+0x130/0x360 [ 473.266756][ T10] netlink_unicast+0x449/0x710 [ 473.266756][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.266756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.266756][ T10] ___sys_sendmsg+0xee/0x170 [ 473.266756][ T10] __sys_sendmsg+0xcd/0x170 [ 473.266756][ T10] do_syscall_64+0xc6/0x1e0 [ 473.266756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.266756][ T10] [ 473.268554][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 473.268554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 473.268554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 473.268554][ T10] ipv6_find_idev+0x102/0x170 [ 473.268554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 473.268554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 473.268554][ T10] netlink_rcv_skb+0x130/0x360 [ 473.268554][ T10] netlink_unicast+0x449/0x710 [ 473.268554][ T10] netlink_sendmsg+0x723/0xbe0 [ 473.268554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 473.268554][ T10] ___sys_sendmsg+0xee/0x170 [ 473.268554][ T10] __sys_sendmsg+0xcd/0x170 [ 473.268554][ T10] do_syscall_64+0xc6/0x1e0 [ 473.268554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 473.268554][ T10] [ 483.506925][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 483.507322][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 483.507322][ T10] netdev_get_by_index+0x5e/0x80 [ 483.507322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.507322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.507322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.507322][ T10] ipv6_add_addr+0x411/0x2000 [ 483.507322][ T10] inet6_addr_add+0x30e/0xa40 [ 483.507322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.507322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.507322][ T10] netlink_rcv_skb+0x130/0x360 [ 483.507322][ T10] netlink_unicast+0x449/0x710 [ 483.507322][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.507322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.507322][ T10] ___sys_sendmsg+0xee/0x170 [ 483.507322][ T10] __sys_sendmsg+0xcd/0x170 [ 483.507322][ T10] do_syscall_64+0xc6/0x1e0 [ 483.507322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.507322][ T10] [ 483.509380][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 483.509380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.509380][ T10] ipv6_find_idev+0x102/0x170 [ 483.509380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.509380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.509380][ T10] netlink_rcv_skb+0x130/0x360 [ 483.509380][ T10] netlink_unicast+0x449/0x710 [ 483.509380][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.509380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.509380][ T10] ___sys_sendmsg+0xee/0x170 [ 483.509380][ T10] __sys_sendmsg+0xcd/0x170 [ 483.509380][ T10] do_syscall_64+0xc6/0x1e0 [ 483.509380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.509380][ T10] [ 483.510922][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 483.510922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.510922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.510922][ T10] ipv6_find_idev+0x102/0x170 [ 483.510922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.510922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.510922][ T10] netlink_rcv_skb+0x130/0x360 [ 483.510922][ T10] netlink_unicast+0x449/0x710 [ 483.510922][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.510922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.510922][ T10] ___sys_sendmsg+0xee/0x170 [ 483.510922][ T10] __sys_sendmsg+0xcd/0x170 [ 483.510922][ T10] do_syscall_64+0xc6/0x1e0 [ 483.510922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.510922][ T10] [ 483.512654][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 483.512937][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 483.512937][ T10] netdev_get_by_index+0x5e/0x80 [ 483.512937][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.512937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.512937][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.512937][ T10] ipv6_add_addr+0x411/0x2000 [ 483.512937][ T10] inet6_addr_add+0x30e/0xa40 [ 483.512937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.512937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.512937][ T10] netlink_rcv_skb+0x130/0x360 [ 483.512937][ T10] netlink_unicast+0x449/0x710 [ 483.512937][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.512937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.512937][ T10] ___sys_sendmsg+0xee/0x170 [ 483.512937][ T10] __sys_sendmsg+0xcd/0x170 [ 483.512937][ T10] do_syscall_64+0xc6/0x1e0 [ 483.512937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.512937][ T10] [ 483.515064][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 483.515064][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.515064][ T10] ipv6_find_idev+0x102/0x170 [ 483.515064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.515064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.515064][ T10] netlink_rcv_skb+0x130/0x360 [ 483.515064][ T10] netlink_unicast+0x449/0x710 [ 483.515064][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.515064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.515064][ T10] ___sys_sendmsg+0xee/0x170 [ 483.515064][ T10] __sys_sendmsg+0xcd/0x170 [ 483.515064][ T10] do_syscall_64+0xc6/0x1e0 [ 483.515064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.515064][ T10] [ 483.516903][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 483.516903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.516903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.516903][ T10] ipv6_find_idev+0x102/0x170 [ 483.516903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.516903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.516903][ T10] netlink_rcv_skb+0x130/0x360 [ 483.516903][ T10] netlink_unicast+0x449/0x710 [ 483.516903][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.516903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.516903][ T10] ___sys_sendmsg+0xee/0x170 [ 483.516903][ T10] __sys_sendmsg+0xcd/0x170 [ 483.516903][ T10] do_syscall_64+0xc6/0x1e0 [ 483.516903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.516903][ T10] [ 483.518799][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 483.519524][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 483.519524][ T10] netdev_get_by_index+0x5e/0x80 [ 483.519524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.519524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.519524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.519524][ T10] ipv6_add_addr+0x411/0x2000 [ 483.519524][ T10] inet6_addr_add+0x30e/0xa40 [ 483.519524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.519524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.519524][ T10] netlink_rcv_skb+0x130/0x360 [ 483.519524][ T10] netlink_unicast+0x449/0x710 [ 483.519524][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.519524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.519524][ T10] ___sys_sendmsg+0xee/0x170 [ 483.519524][ T10] __sys_sendmsg+0xcd/0x170 [ 483.519524][ T10] do_syscall_64+0xc6/0x1e0 [ 483.519524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.519524][ T10] [ 483.521764][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 483.521764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.521764][ T10] ipv6_find_idev+0x102/0x170 [ 483.521764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.521764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.521764][ T10] netlink_rcv_skb+0x130/0x360 [ 483.521764][ T10] netlink_unicast+0x449/0x710 [ 483.521764][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.521764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.521764][ T10] ___sys_sendmsg+0xee/0x170 [ 483.521764][ T10] __sys_sendmsg+0xcd/0x170 [ 483.521764][ T10] do_syscall_64+0xc6/0x1e0 [ 483.521764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.521764][ T10] [ 483.523482][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 483.523482][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.523482][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.523482][ T10] ipv6_find_idev+0x102/0x170 [ 483.523482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.523482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.523482][ T10] netlink_rcv_skb+0x130/0x360 [ 483.523482][ T10] netlink_unicast+0x449/0x710 [ 483.523482][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.523482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.523482][ T10] ___sys_sendmsg+0xee/0x170 [ 483.523482][ T10] __sys_sendmsg+0xcd/0x170 [ 483.523482][ T10] do_syscall_64+0xc6/0x1e0 [ 483.523482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.523482][ T10] [ 483.525379][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 483.525706][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 483.525706][ T10] netdev_get_by_index+0x5e/0x80 [ 483.525706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.525706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.525706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.525706][ T10] ipv6_add_addr+0x411/0x2000 [ 483.525706][ T10] inet6_addr_add+0x30e/0xa40 [ 483.525706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.525706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.525706][ T10] netlink_rcv_skb+0x130/0x360 [ 483.525706][ T10] netlink_unicast+0x449/0x710 [ 483.525706][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.525706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.525706][ T10] ___sys_sendmsg+0xee/0x170 [ 483.525706][ T10] __sys_sendmsg+0xcd/0x170 [ 483.525706][ T10] do_syscall_64+0xc6/0x1e0 [ 483.525706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.525706][ T10] [ 483.527845][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 483.527845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.527845][ T10] ipv6_find_idev+0x102/0x170 [ 483.527845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.527845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.527845][ T10] netlink_rcv_skb+0x130/0x360 [ 483.527845][ T10] netlink_unicast+0x449/0x710 [ 483.527845][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.527845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.527845][ T10] ___sys_sendmsg+0xee/0x170 [ 483.527845][ T10] __sys_sendmsg+0xcd/0x170 [ 483.527845][ T10] do_syscall_64+0xc6/0x1e0 [ 483.527845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.527845][ T10] [ 483.529575][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 483.529575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.529575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.529575][ T10] ipv6_find_idev+0x102/0x170 [ 483.529575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.529575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.529575][ T10] netlink_rcv_skb+0x130/0x360 [ 483.529575][ T10] netlink_unicast+0x449/0x710 [ 483.529575][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.529575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.529575][ T10] ___sys_sendmsg+0xee/0x170 [ 483.529575][ T10] __sys_sendmsg+0xcd/0x170 [ 483.529575][ T10] do_syscall_64+0xc6/0x1e0 [ 483.529575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.529575][ T10] [ 483.531515][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 483.531858][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 483.531858][ T10] netdev_get_by_index+0x5e/0x80 [ 483.531858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.531858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.531858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.531858][ T10] ipv6_add_addr+0x411/0x2000 [ 483.531858][ T10] inet6_addr_add+0x30e/0xa40 [ 483.531858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.531858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.531858][ T10] netlink_rcv_skb+0x130/0x360 [ 483.531858][ T10] netlink_unicast+0x449/0x710 [ 483.531858][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.531858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.531858][ T10] ___sys_sendmsg+0xee/0x170 [ 483.531858][ T10] __sys_sendmsg+0xcd/0x170 [ 483.531858][ T10] do_syscall_64+0xc6/0x1e0 [ 483.531858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.531858][ T10] [ 483.533981][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 483.533981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.533981][ T10] ipv6_find_idev+0x102/0x170 [ 483.533981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.533981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.533981][ T10] netlink_rcv_skb+0x130/0x360 [ 483.533981][ T10] netlink_unicast+0x449/0x710 [ 483.533981][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.533981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.533981][ T10] ___sys_sendmsg+0xee/0x170 [ 483.533981][ T10] __sys_sendmsg+0xcd/0x170 [ 483.533981][ T10] do_syscall_64+0xc6/0x1e0 [ 483.533981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.533981][ T10] [ 483.535521][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 483.535521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.535521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.535521][ T10] ipv6_find_idev+0x102/0x170 [ 483.535521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.535521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.535521][ T10] netlink_rcv_skb+0x130/0x360 [ 483.535521][ T10] netlink_unicast+0x449/0x710 [ 483.535521][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.535521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.535521][ T10] ___sys_sendmsg+0xee/0x170 [ 483.535521][ T10] __sys_sendmsg+0xcd/0x170 [ 483.535521][ T10] do_syscall_64+0xc6/0x1e0 [ 483.535521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.535521][ T10] [ 483.537257][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 483.537561][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 483.537561][ T10] netdev_get_by_index+0x5e/0x80 [ 483.537561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.537561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.537561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.537561][ T10] ipv6_add_addr+0x411/0x2000 [ 483.537561][ T10] inet6_addr_add+0x30e/0xa40 [ 483.537561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.537561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.537561][ T10] netlink_rcv_skb+0x130/0x360 [ 483.537561][ T10] netlink_unicast+0x449/0x710 [ 483.537561][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.537561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.537561][ T10] ___sys_sendmsg+0xee/0x170 [ 483.537561][ T10] __sys_sendmsg+0xcd/0x170 [ 483.537561][ T10] do_syscall_64+0xc6/0x1e0 [ 483.537561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.537561][ T10] [ 483.539578][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 483.539578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.539578][ T10] ipv6_find_idev+0x102/0x170 [ 483.539578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.539578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.539578][ T10] netlink_rcv_skb+0x130/0x360 [ 483.539578][ T10] netlink_unicast+0x449/0x710 [ 483.539578][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.539578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.539578][ T10] ___sys_sendmsg+0xee/0x170 [ 483.539578][ T10] __sys_sendmsg+0xcd/0x170 [ 483.539578][ T10] do_syscall_64+0xc6/0x1e0 [ 483.539578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.539578][ T10] [ 483.541670][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 483.541670][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.541670][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.541670][ T10] ipv6_find_idev+0x102/0x170 [ 483.541670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.541670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.541670][ T10] netlink_rcv_skb+0x130/0x360 [ 483.541670][ T10] netlink_unicast+0x449/0x710 [ 483.541670][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.541670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.541670][ T10] ___sys_sendmsg+0xee/0x170 [ 483.541670][ T10] __sys_sendmsg+0xcd/0x170 [ 483.541670][ T10] do_syscall_64+0xc6/0x1e0 [ 483.541670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.541670][ T10] [ 483.543602][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 483.543934][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 483.543934][ T10] netdev_get_by_index+0x5e/0x80 [ 483.543934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.543934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.543934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.543934][ T10] ipv6_add_addr+0x411/0x2000 [ 483.543934][ T10] inet6_addr_add+0x30e/0xa40 [ 483.543934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.543934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.543934][ T10] netlink_rcv_skb+0x130/0x360 [ 483.543934][ T10] netlink_unicast+0x449/0x710 [ 483.543934][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.543934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.543934][ T10] ___sys_sendmsg+0xee/0x170 [ 483.543934][ T10] __sys_sendmsg+0xcd/0x170 [ 483.543934][ T10] do_syscall_64+0xc6/0x1e0 [ 483.543934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.543934][ T10] [ 483.546182][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 483.546182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.546182][ T10] ipv6_find_idev+0x102/0x170 [ 483.546182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.546182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.546182][ T10] netlink_rcv_skb+0x130/0x360 [ 483.546182][ T10] netlink_unicast+0x449/0x710 [ 483.546182][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.546182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.546182][ T10] ___sys_sendmsg+0xee/0x170 [ 483.546182][ T10] __sys_sendmsg+0xcd/0x170 [ 483.546182][ T10] do_syscall_64+0xc6/0x1e0 [ 483.546182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.546182][ T10] [ 483.547900][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 483.547900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.547900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.547900][ T10] ipv6_find_idev+0x102/0x170 [ 483.547900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.547900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.547900][ T10] netlink_rcv_skb+0x130/0x360 [ 483.547900][ T10] netlink_unicast+0x449/0x710 [ 483.547900][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.547900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.547900][ T10] ___sys_sendmsg+0xee/0x170 [ 483.547900][ T10] __sys_sendmsg+0xcd/0x170 [ 483.547900][ T10] do_syscall_64+0xc6/0x1e0 [ 483.547900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.547900][ T10] [ 483.549791][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 483.550106][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 483.550106][ T10] netdev_get_by_index+0x5e/0x80 [ 483.550106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 483.550106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 483.550106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 483.550106][ T10] ipv6_add_addr+0x411/0x2000 [ 483.550106][ T10] inet6_addr_add+0x30e/0xa40 [ 483.550106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 483.550106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.550106][ T10] netlink_rcv_skb+0x130/0x360 [ 483.550106][ T10] netlink_unicast+0x449/0x710 [ 483.550106][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.550106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.550106][ T10] ___sys_sendmsg+0xee/0x170 [ 483.550106][ T10] __sys_sendmsg+0xcd/0x170 [ 483.550106][ T10] do_syscall_64+0xc6/0x1e0 [ 483.550106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.550106][ T10] [ 483.552281][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 483.552281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 483.552281][ T10] ipv6_find_idev+0x102/0x170 [ 483.552281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.552281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.552281][ T10] netlink_rcv_skb+0x130/0x360 [ 483.552281][ T10] netlink_unicast+0x449/0x710 [ 483.552281][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.552281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.552281][ T10] ___sys_sendmsg+0xee/0x170 [ 483.552281][ T10] __sys_sendmsg+0xcd/0x170 [ 483.552281][ T10] do_syscall_64+0xc6/0x1e0 [ 483.552281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.552281][ T10] [ 483.554003][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 483.554003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 483.554003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 483.554003][ T10] ipv6_find_idev+0x102/0x170 [ 483.554003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 483.554003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 483.554003][ T10] netlink_rcv_skb+0x130/0x360 [ 483.554003][ T10] netlink_unicast+0x449/0x710 [ 483.554003][ T10] netlink_sendmsg+0x723/0xbe0 [ 483.554003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 483.554003][ T10] ___sys_sendmsg+0xee/0x170 [ 483.554003][ T10] __sys_sendmsg+0xcd/0x170 [ 483.554003][ T10] do_syscall_64+0xc6/0x1e0 [ 483.554003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 483.554003][ T10] [ 492.842935][ T42] INFO: task modprobe:1062 blocked for more than 245 seconds. [ 492.843229][ T42] Not tainted 6.8.0-virtme #1 [ 492.843364][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.843603][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 492.843870][ T42] Call Trace: [ 492.843988][ T42] [ 492.844065][ T42] __schedule+0x705/0x1ac0 [ 492.844210][ T42] ? __pfx___schedule+0x10/0x10 [ 492.844342][ T42] ? schedule+0x1a5/0x210 [ 492.844453][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.844591][ T42] ? mark_lock+0x38/0x3e0 [ 492.844691][ T42] ? do_raw_spin_lock+0x131/0x270 [ 492.844827][ T42] ? schedule+0x1a5/0x210 [ 492.844948][ T42] schedule+0xdf/0x210 [ 492.845050][ T42] schedule_preempt_disabled+0x15/0x30 [ 492.845184][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 492.845338][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 492.845508][ T42] ? kasan_save_stack+0x34/0x50 [ 492.845641][ T42] ? kasan_save_stack+0x24/0x50 [ 492.845778][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 492.845927][ T42] ? lock_acquire+0x1c1/0x220 [ 492.846058][ T42] ? register_pernet_subsys+0x1a/0x50 [ 492.846202][ T42] down_write+0x1c9/0x200 [ 492.846306][ T42] ? __pfx_down_write+0x10/0x10 [ 492.846440][ T42] ? __pfx___lock_release+0x10/0x10 [ 492.846599][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 492.846794][ T42] register_pernet_subsys+0x1a/0x50 [ 492.846950][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 492.847147][ T42] do_one_initcall+0xc8/0x3f0 [ 492.847283][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 492.847421][ T42] ? __create_object+0x5e/0xb0 [ 492.847558][ T42] ? kasan_unpoison+0x27/0x60 [ 492.847696][ T42] do_init_module+0x233/0x740 [ 492.847871][ T42] load_module+0x16b5/0x2350 [ 492.848019][ T42] ? __pfx_load_module+0x10/0x10 [ 492.848155][ T42] ? kernel_read_file+0x3d2/0x520 [ 492.848295][ T42] ? kernel_read_file+0x300/0x520 [ 492.848432][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 492.848575][ T42] ? init_module_from_file+0xd2/0x130 [ 492.848708][ T42] init_module_from_file+0xd2/0x130 [ 492.848854][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 492.849022][ T42] ? __lock_release+0x103/0x460 [ 492.849156][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.849301][ T42] ? idempotent_init_module+0x32a/0x620 [ 492.849436][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 492.849572][ T42] idempotent_init_module+0x342/0x620 [ 492.849713][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 492.849903][ T42] __x64_sys_finit_module+0xbe/0x130 [ 492.850042][ T42] do_syscall_64+0xc6/0x1e0 [ 492.850203][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 492.850374][ T42] RIP: 0033:0x7f81e06dce5d [ 492.850519][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 492.850710][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 492.850909][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 492.851105][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 492.851325][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 492.851511][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 492.851705][ T42] [ 492.851798][ T42] [ 492.851798][ T42] Showing all locks held in the system: [ 492.851992][ T42] 3 locks held by kworker/u16:0/10: [ 492.852146][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.852424][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.852661][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 492.852914][ T42] 1 lock held by khungtaskd/42: [ 492.853046][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 492.853290][ T42] 2 locks held by kworker/u20:1/62: [ 492.853417][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 492.853687][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 492.854003][ T42] 1 lock held by modprobe/1062: [ 492.854134][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 492.854405][ T42] [ 492.854471][ T42] ============================================= [ 492.854471][ T42] [ 493.794931][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 493.795359][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 493.795359][ T10] netdev_get_by_index+0x5e/0x80 [ 493.795359][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.795359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.795359][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.795359][ T10] ipv6_add_addr+0x411/0x2000 [ 493.795359][ T10] inet6_addr_add+0x30e/0xa40 [ 493.795359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.795359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.795359][ T10] netlink_rcv_skb+0x130/0x360 [ 493.795359][ T10] netlink_unicast+0x449/0x710 [ 493.795359][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.795359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.795359][ T10] ___sys_sendmsg+0xee/0x170 [ 493.795359][ T10] __sys_sendmsg+0xcd/0x170 [ 493.795359][ T10] do_syscall_64+0xc6/0x1e0 [ 493.795359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.795359][ T10] [ 493.797375][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 493.797375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.797375][ T10] ipv6_find_idev+0x102/0x170 [ 493.797375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.797375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.797375][ T10] netlink_rcv_skb+0x130/0x360 [ 493.797375][ T10] netlink_unicast+0x449/0x710 [ 493.797375][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.797375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.797375][ T10] ___sys_sendmsg+0xee/0x170 [ 493.797375][ T10] __sys_sendmsg+0xcd/0x170 [ 493.797375][ T10] do_syscall_64+0xc6/0x1e0 [ 493.797375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.797375][ T10] [ 493.798904][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 493.798904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.798904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.798904][ T10] ipv6_find_idev+0x102/0x170 [ 493.798904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.798904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.798904][ T10] netlink_rcv_skb+0x130/0x360 [ 493.798904][ T10] netlink_unicast+0x449/0x710 [ 493.798904][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.798904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.798904][ T10] ___sys_sendmsg+0xee/0x170 [ 493.798904][ T10] __sys_sendmsg+0xcd/0x170 [ 493.798904][ T10] do_syscall_64+0xc6/0x1e0 [ 493.798904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.798904][ T10] [ 493.800600][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 493.800874][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 493.800874][ T10] netdev_get_by_index+0x5e/0x80 [ 493.800874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.800874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.800874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.800874][ T10] ipv6_add_addr+0x411/0x2000 [ 493.800874][ T10] inet6_addr_add+0x30e/0xa40 [ 493.800874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.800874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.800874][ T10] netlink_rcv_skb+0x130/0x360 [ 493.800874][ T10] netlink_unicast+0x449/0x710 [ 493.800874][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.800874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.800874][ T10] ___sys_sendmsg+0xee/0x170 [ 493.800874][ T10] __sys_sendmsg+0xcd/0x170 [ 493.800874][ T10] do_syscall_64+0xc6/0x1e0 [ 493.800874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.800874][ T10] [ 493.802909][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 493.802909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.802909][ T10] ipv6_find_idev+0x102/0x170 [ 493.802909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.802909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.802909][ T10] netlink_rcv_skb+0x130/0x360 [ 493.802909][ T10] netlink_unicast+0x449/0x710 [ 493.802909][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.802909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.802909][ T10] ___sys_sendmsg+0xee/0x170 [ 493.802909][ T10] __sys_sendmsg+0xcd/0x170 [ 493.802909][ T10] do_syscall_64+0xc6/0x1e0 [ 493.802909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.802909][ T10] [ 493.804483][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 493.804483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.804483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.804483][ T10] ipv6_find_idev+0x102/0x170 [ 493.804483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.804483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.804483][ T10] netlink_rcv_skb+0x130/0x360 [ 493.804483][ T10] netlink_unicast+0x449/0x710 [ 493.804483][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.804483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.804483][ T10] ___sys_sendmsg+0xee/0x170 [ 493.804483][ T10] __sys_sendmsg+0xcd/0x170 [ 493.804483][ T10] do_syscall_64+0xc6/0x1e0 [ 493.804483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.804483][ T10] [ 493.806544][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 493.806958][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 493.806958][ T10] netdev_get_by_index+0x5e/0x80 [ 493.806958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.806958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.806958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.806958][ T10] ipv6_add_addr+0x411/0x2000 [ 493.806958][ T10] inet6_addr_add+0x30e/0xa40 [ 493.806958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.806958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.806958][ T10] netlink_rcv_skb+0x130/0x360 [ 493.806958][ T10] netlink_unicast+0x449/0x710 [ 493.806958][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.806958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.806958][ T10] ___sys_sendmsg+0xee/0x170 [ 493.806958][ T10] __sys_sendmsg+0xcd/0x170 [ 493.806958][ T10] do_syscall_64+0xc6/0x1e0 [ 493.806958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.806958][ T10] [ 493.808984][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 493.808984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.808984][ T10] ipv6_find_idev+0x102/0x170 [ 493.808984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.808984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.808984][ T10] netlink_rcv_skb+0x130/0x360 [ 493.808984][ T10] netlink_unicast+0x449/0x710 [ 493.808984][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.808984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.808984][ T10] ___sys_sendmsg+0xee/0x170 [ 493.808984][ T10] __sys_sendmsg+0xcd/0x170 [ 493.808984][ T10] do_syscall_64+0xc6/0x1e0 [ 493.808984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.808984][ T10] [ 493.810526][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 493.810526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.810526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.810526][ T10] ipv6_find_idev+0x102/0x170 [ 493.810526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.810526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.810526][ T10] netlink_rcv_skb+0x130/0x360 [ 493.810526][ T10] netlink_unicast+0x449/0x710 [ 493.810526][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.810526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.810526][ T10] ___sys_sendmsg+0xee/0x170 [ 493.810526][ T10] __sys_sendmsg+0xcd/0x170 [ 493.810526][ T10] do_syscall_64+0xc6/0x1e0 [ 493.810526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.810526][ T10] [ 493.812239][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 493.812507][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 493.812507][ T10] netdev_get_by_index+0x5e/0x80 [ 493.812507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.812507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.812507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.812507][ T10] ipv6_add_addr+0x411/0x2000 [ 493.812507][ T10] inet6_addr_add+0x30e/0xa40 [ 493.812507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.812507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.812507][ T10] netlink_rcv_skb+0x130/0x360 [ 493.812507][ T10] netlink_unicast+0x449/0x710 [ 493.812507][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.812507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.812507][ T10] ___sys_sendmsg+0xee/0x170 [ 493.812507][ T10] __sys_sendmsg+0xcd/0x170 [ 493.812507][ T10] do_syscall_64+0xc6/0x1e0 [ 493.812507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.812507][ T10] [ 493.814507][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 493.814507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.814507][ T10] ipv6_find_idev+0x102/0x170 [ 493.814507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.814507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.814507][ T10] netlink_rcv_skb+0x130/0x360 [ 493.814507][ T10] netlink_unicast+0x449/0x710 [ 493.814507][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.814507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.814507][ T10] ___sys_sendmsg+0xee/0x170 [ 493.814507][ T10] __sys_sendmsg+0xcd/0x170 [ 493.814507][ T10] do_syscall_64+0xc6/0x1e0 [ 493.814507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.814507][ T10] [ 493.816094][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 493.816094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.816094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.816094][ T10] ipv6_find_idev+0x102/0x170 [ 493.816094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.816094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.816094][ T10] netlink_rcv_skb+0x130/0x360 [ 493.816094][ T10] netlink_unicast+0x449/0x710 [ 493.816094][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.816094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.816094][ T10] ___sys_sendmsg+0xee/0x170 [ 493.816094][ T10] __sys_sendmsg+0xcd/0x170 [ 493.816094][ T10] do_syscall_64+0xc6/0x1e0 [ 493.816094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.816094][ T10] [ 493.818193][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 493.818783][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 493.818783][ T10] netdev_get_by_index+0x5e/0x80 [ 493.818783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.818783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.818783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.818783][ T10] ipv6_add_addr+0x411/0x2000 [ 493.818783][ T10] inet6_addr_add+0x30e/0xa40 [ 493.818783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.818783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.818783][ T10] netlink_rcv_skb+0x130/0x360 [ 493.818783][ T10] netlink_unicast+0x449/0x710 [ 493.818783][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.818783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.818783][ T10] ___sys_sendmsg+0xee/0x170 [ 493.818783][ T10] __sys_sendmsg+0xcd/0x170 [ 493.818783][ T10] do_syscall_64+0xc6/0x1e0 [ 493.818783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.818783][ T10] [ 493.820766][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 493.820766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.820766][ T10] ipv6_find_idev+0x102/0x170 [ 493.820766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.820766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.820766][ T10] netlink_rcv_skb+0x130/0x360 [ 493.820766][ T10] netlink_unicast+0x449/0x710 [ 493.820766][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.820766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.820766][ T10] ___sys_sendmsg+0xee/0x170 [ 493.820766][ T10] __sys_sendmsg+0xcd/0x170 [ 493.820766][ T10] do_syscall_64+0xc6/0x1e0 [ 493.820766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.820766][ T10] [ 493.822587][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 493.822587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.822587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.822587][ T10] ipv6_find_idev+0x102/0x170 [ 493.822587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.822587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.822587][ T10] netlink_rcv_skb+0x130/0x360 [ 493.822587][ T10] netlink_unicast+0x449/0x710 [ 493.822587][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.822587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.822587][ T10] ___sys_sendmsg+0xee/0x170 [ 493.822587][ T10] __sys_sendmsg+0xcd/0x170 [ 493.822587][ T10] do_syscall_64+0xc6/0x1e0 [ 493.822587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.822587][ T10] [ 493.824286][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 493.824552][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 493.824552][ T10] netdev_get_by_index+0x5e/0x80 [ 493.824552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.824552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.824552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.824552][ T10] ipv6_add_addr+0x411/0x2000 [ 493.824552][ T10] inet6_addr_add+0x30e/0xa40 [ 493.824552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.824552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.824552][ T10] netlink_rcv_skb+0x130/0x360 [ 493.824552][ T10] netlink_unicast+0x449/0x710 [ 493.824552][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.824552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.824552][ T10] ___sys_sendmsg+0xee/0x170 [ 493.824552][ T10] __sys_sendmsg+0xcd/0x170 [ 493.824552][ T10] do_syscall_64+0xc6/0x1e0 [ 493.824552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.824552][ T10] [ 493.826544][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 493.826544][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.826544][ T10] ipv6_find_idev+0x102/0x170 [ 493.826544][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.826544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.826544][ T10] netlink_rcv_skb+0x130/0x360 [ 493.826544][ T10] netlink_unicast+0x449/0x710 [ 493.826544][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.826544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.826544][ T10] ___sys_sendmsg+0xee/0x170 [ 493.826544][ T10] __sys_sendmsg+0xcd/0x170 [ 493.826544][ T10] do_syscall_64+0xc6/0x1e0 [ 493.826544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.826544][ T10] [ 493.828148][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 493.828148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.828148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.828148][ T10] ipv6_find_idev+0x102/0x170 [ 493.828148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.828148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.828148][ T10] netlink_rcv_skb+0x130/0x360 [ 493.828148][ T10] netlink_unicast+0x449/0x710 [ 493.828148][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.828148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.828148][ T10] ___sys_sendmsg+0xee/0x170 [ 493.828148][ T10] __sys_sendmsg+0xcd/0x170 [ 493.828148][ T10] do_syscall_64+0xc6/0x1e0 [ 493.828148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.828148][ T10] [ 493.830112][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 493.830418][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 493.830418][ T10] netdev_get_by_index+0x5e/0x80 [ 493.830418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.830418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.830418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.830418][ T10] ipv6_add_addr+0x411/0x2000 [ 493.830418][ T10] inet6_addr_add+0x30e/0xa40 [ 493.830418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.830418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.830418][ T10] netlink_rcv_skb+0x130/0x360 [ 493.830418][ T10] netlink_unicast+0x449/0x710 [ 493.830418][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.830418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.830418][ T10] ___sys_sendmsg+0xee/0x170 [ 493.830418][ T10] __sys_sendmsg+0xcd/0x170 [ 493.830418][ T10] do_syscall_64+0xc6/0x1e0 [ 493.830418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.830418][ T10] [ 493.832606][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 493.832606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.832606][ T10] ipv6_find_idev+0x102/0x170 [ 493.832606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.832606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.832606][ T10] netlink_rcv_skb+0x130/0x360 [ 493.832606][ T10] netlink_unicast+0x449/0x710 [ 493.832606][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.832606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.832606][ T10] ___sys_sendmsg+0xee/0x170 [ 493.832606][ T10] __sys_sendmsg+0xcd/0x170 [ 493.832606][ T10] do_syscall_64+0xc6/0x1e0 [ 493.832606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.832606][ T10] [ 493.834309][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 493.834309][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.834309][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.834309][ T10] ipv6_find_idev+0x102/0x170 [ 493.834309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.834309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.834309][ T10] netlink_rcv_skb+0x130/0x360 [ 493.834309][ T10] netlink_unicast+0x449/0x710 [ 493.834309][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.834309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.834309][ T10] ___sys_sendmsg+0xee/0x170 [ 493.834309][ T10] __sys_sendmsg+0xcd/0x170 [ 493.834309][ T10] do_syscall_64+0xc6/0x1e0 [ 493.834309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.834309][ T10] [ 493.836210][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 493.836522][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 493.836522][ T10] netdev_get_by_index+0x5e/0x80 [ 493.836522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 493.836522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 493.836522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 493.836522][ T10] ipv6_add_addr+0x411/0x2000 [ 493.836522][ T10] inet6_addr_add+0x30e/0xa40 [ 493.836522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 493.836522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.836522][ T10] netlink_rcv_skb+0x130/0x360 [ 493.836522][ T10] netlink_unicast+0x449/0x710 [ 493.836522][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.836522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.836522][ T10] ___sys_sendmsg+0xee/0x170 [ 493.836522][ T10] __sys_sendmsg+0xcd/0x170 [ 493.836522][ T10] do_syscall_64+0xc6/0x1e0 [ 493.836522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.836522][ T10] [ 493.838716][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 493.838716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 493.838716][ T10] ipv6_find_idev+0x102/0x170 [ 493.838716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.838716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.838716][ T10] netlink_rcv_skb+0x130/0x360 [ 493.838716][ T10] netlink_unicast+0x449/0x710 [ 493.838716][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.838716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.838716][ T10] ___sys_sendmsg+0xee/0x170 [ 493.838716][ T10] __sys_sendmsg+0xcd/0x170 [ 493.838716][ T10] do_syscall_64+0xc6/0x1e0 [ 493.838716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.838716][ T10] [ 493.840464][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 493.840464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 493.840464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 493.840464][ T10] ipv6_find_idev+0x102/0x170 [ 493.840464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 493.840464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 493.840464][ T10] netlink_rcv_skb+0x130/0x360 [ 493.840464][ T10] netlink_unicast+0x449/0x710 [ 493.840464][ T10] netlink_sendmsg+0x723/0xbe0 [ 493.840464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 493.840464][ T10] ___sys_sendmsg+0xee/0x170 [ 493.840464][ T10] __sys_sendmsg+0xcd/0x170 [ 493.840464][ T10] do_syscall_64+0xc6/0x1e0 [ 493.840464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 493.840464][ T10] [ 504.082924][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 504.083343][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 504.083343][ T10] netdev_get_by_index+0x5e/0x80 [ 504.083343][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.083343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.083343][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.083343][ T10] ipv6_add_addr+0x411/0x2000 [ 504.083343][ T10] inet6_addr_add+0x30e/0xa40 [ 504.083343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.083343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.083343][ T10] netlink_rcv_skb+0x130/0x360 [ 504.083343][ T10] netlink_unicast+0x449/0x710 [ 504.083343][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.083343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.083343][ T10] ___sys_sendmsg+0xee/0x170 [ 504.083343][ T10] __sys_sendmsg+0xcd/0x170 [ 504.083343][ T10] do_syscall_64+0xc6/0x1e0 [ 504.083343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.083343][ T10] [ 504.085409][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 504.085409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.085409][ T10] ipv6_find_idev+0x102/0x170 [ 504.085409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.085409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.085409][ T10] netlink_rcv_skb+0x130/0x360 [ 504.085409][ T10] netlink_unicast+0x449/0x710 [ 504.085409][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.085409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.085409][ T10] ___sys_sendmsg+0xee/0x170 [ 504.085409][ T10] __sys_sendmsg+0xcd/0x170 [ 504.085409][ T10] do_syscall_64+0xc6/0x1e0 [ 504.085409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.085409][ T10] [ 504.086995][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 504.086995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.086995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.086995][ T10] ipv6_find_idev+0x102/0x170 [ 504.086995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.086995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.086995][ T10] netlink_rcv_skb+0x130/0x360 [ 504.086995][ T10] netlink_unicast+0x449/0x710 [ 504.086995][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.086995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.086995][ T10] ___sys_sendmsg+0xee/0x170 [ 504.086995][ T10] __sys_sendmsg+0xcd/0x170 [ 504.086995][ T10] do_syscall_64+0xc6/0x1e0 [ 504.086995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.086995][ T10] [ 504.088744][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 504.089030][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 504.089030][ T10] netdev_get_by_index+0x5e/0x80 [ 504.089030][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.089030][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.089030][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.089030][ T10] ipv6_add_addr+0x411/0x2000 [ 504.089030][ T10] inet6_addr_add+0x30e/0xa40 [ 504.089030][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.089030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.089030][ T10] netlink_rcv_skb+0x130/0x360 [ 504.089030][ T10] netlink_unicast+0x449/0x710 [ 504.089030][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.089030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.089030][ T10] ___sys_sendmsg+0xee/0x170 [ 504.089030][ T10] __sys_sendmsg+0xcd/0x170 [ 504.089030][ T10] do_syscall_64+0xc6/0x1e0 [ 504.089030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.089030][ T10] [ 504.091076][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 504.091076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.091076][ T10] ipv6_find_idev+0x102/0x170 [ 504.091076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.091076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.091076][ T10] netlink_rcv_skb+0x130/0x360 [ 504.091076][ T10] netlink_unicast+0x449/0x710 [ 504.091076][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.091076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.091076][ T10] ___sys_sendmsg+0xee/0x170 [ 504.091076][ T10] __sys_sendmsg+0xcd/0x170 [ 504.091076][ T10] do_syscall_64+0xc6/0x1e0 [ 504.091076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.091076][ T10] [ 504.092627][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 504.092627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.092627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.092627][ T10] ipv6_find_idev+0x102/0x170 [ 504.092627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.092627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.092627][ T10] netlink_rcv_skb+0x130/0x360 [ 504.092627][ T10] netlink_unicast+0x449/0x710 [ 504.092627][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.092627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.092627][ T10] ___sys_sendmsg+0xee/0x170 [ 504.092627][ T10] __sys_sendmsg+0xcd/0x170 [ 504.092627][ T10] do_syscall_64+0xc6/0x1e0 [ 504.092627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.092627][ T10] [ 504.094363][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 504.094655][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 504.094655][ T10] netdev_get_by_index+0x5e/0x80 [ 504.094655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.094655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.094655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.094655][ T10] ipv6_add_addr+0x411/0x2000 [ 504.094655][ T10] inet6_addr_add+0x30e/0xa40 [ 504.094655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.094655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.094655][ T10] netlink_rcv_skb+0x130/0x360 [ 504.094655][ T10] netlink_unicast+0x449/0x710 [ 504.094655][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.094655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.094655][ T10] ___sys_sendmsg+0xee/0x170 [ 504.094655][ T10] __sys_sendmsg+0xcd/0x170 [ 504.094655][ T10] do_syscall_64+0xc6/0x1e0 [ 504.094655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.094655][ T10] [ 504.096657][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 504.096657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.096657][ T10] ipv6_find_idev+0x102/0x170 [ 504.096657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.096657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.096657][ T10] netlink_rcv_skb+0x130/0x360 [ 504.096657][ T10] netlink_unicast+0x449/0x710 [ 504.096657][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.096657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.096657][ T10] ___sys_sendmsg+0xee/0x170 [ 504.096657][ T10] __sys_sendmsg+0xcd/0x170 [ 504.096657][ T10] do_syscall_64+0xc6/0x1e0 [ 504.096657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.096657][ T10] [ 504.098204][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 504.098204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.098204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.098204][ T10] ipv6_find_idev+0x102/0x170 [ 504.098204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.098204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.098204][ T10] netlink_rcv_skb+0x130/0x360 [ 504.098204][ T10] netlink_unicast+0x449/0x710 [ 504.098204][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.098204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.098204][ T10] ___sys_sendmsg+0xee/0x170 [ 504.098204][ T10] __sys_sendmsg+0xcd/0x170 [ 504.098204][ T10] do_syscall_64+0xc6/0x1e0 [ 504.098204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.098204][ T10] [ 504.099929][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 504.100204][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 504.100204][ T10] netdev_get_by_index+0x5e/0x80 [ 504.100204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.100204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.100204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.100204][ T10] ipv6_add_addr+0x411/0x2000 [ 504.100204][ T10] inet6_addr_add+0x30e/0xa40 [ 504.100204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.100204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.100204][ T10] netlink_rcv_skb+0x130/0x360 [ 504.100204][ T10] netlink_unicast+0x449/0x710 [ 504.100204][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.100204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.100204][ T10] ___sys_sendmsg+0xee/0x170 [ 504.100204][ T10] __sys_sendmsg+0xcd/0x170 [ 504.100204][ T10] do_syscall_64+0xc6/0x1e0 [ 504.100204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.100204][ T10] [ 504.102238][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 504.102238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.102238][ T10] ipv6_find_idev+0x102/0x170 [ 504.102238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.102238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.102238][ T10] netlink_rcv_skb+0x130/0x360 [ 504.102238][ T10] netlink_unicast+0x449/0x710 [ 504.102238][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.102238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.102238][ T10] ___sys_sendmsg+0xee/0x170 [ 504.102238][ T10] __sys_sendmsg+0xcd/0x170 [ 504.102238][ T10] do_syscall_64+0xc6/0x1e0 [ 504.102238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.102238][ T10] [ 504.103780][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 504.103780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.103780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.103780][ T10] ipv6_find_idev+0x102/0x170 [ 504.103780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.103780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.103780][ T10] netlink_rcv_skb+0x130/0x360 [ 504.103780][ T10] netlink_unicast+0x449/0x710 [ 504.103780][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.103780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.103780][ T10] ___sys_sendmsg+0xee/0x170 [ 504.103780][ T10] __sys_sendmsg+0xcd/0x170 [ 504.103780][ T10] do_syscall_64+0xc6/0x1e0 [ 504.103780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.103780][ T10] [ 504.105896][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 504.106497][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 504.106497][ T10] netdev_get_by_index+0x5e/0x80 [ 504.106497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.106497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.106497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.106497][ T10] ipv6_add_addr+0x411/0x2000 [ 504.106497][ T10] inet6_addr_add+0x30e/0xa40 [ 504.106497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.106497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.106497][ T10] netlink_rcv_skb+0x130/0x360 [ 504.106497][ T10] netlink_unicast+0x449/0x710 [ 504.106497][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.106497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.106497][ T10] ___sys_sendmsg+0xee/0x170 [ 504.106497][ T10] __sys_sendmsg+0xcd/0x170 [ 504.106497][ T10] do_syscall_64+0xc6/0x1e0 [ 504.106497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.106497][ T10] [ 504.108490][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 504.108490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.108490][ T10] ipv6_find_idev+0x102/0x170 [ 504.108490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.108490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.108490][ T10] netlink_rcv_skb+0x130/0x360 [ 504.108490][ T10] netlink_unicast+0x449/0x710 [ 504.108490][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.108490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.108490][ T10] ___sys_sendmsg+0xee/0x170 [ 504.108490][ T10] __sys_sendmsg+0xcd/0x170 [ 504.108490][ T10] do_syscall_64+0xc6/0x1e0 [ 504.108490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.108490][ T10] [ 504.110017][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 504.110017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.110017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.110017][ T10] ipv6_find_idev+0x102/0x170 [ 504.110017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.110017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.110017][ T10] netlink_rcv_skb+0x130/0x360 [ 504.110017][ T10] netlink_unicast+0x449/0x710 [ 504.110017][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.110017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.110017][ T10] ___sys_sendmsg+0xee/0x170 [ 504.110017][ T10] __sys_sendmsg+0xcd/0x170 [ 504.110017][ T10] do_syscall_64+0xc6/0x1e0 [ 504.110017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.110017][ T10] [ 504.111725][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 504.112048][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 504.112048][ T10] netdev_get_by_index+0x5e/0x80 [ 504.112048][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.112048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.112048][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.112048][ T10] ipv6_add_addr+0x411/0x2000 [ 504.112048][ T10] inet6_addr_add+0x30e/0xa40 [ 504.112048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.112048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.112048][ T10] netlink_rcv_skb+0x130/0x360 [ 504.112048][ T10] netlink_unicast+0x449/0x710 [ 504.112048][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.112048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.112048][ T10] ___sys_sendmsg+0xee/0x170 [ 504.112048][ T10] __sys_sendmsg+0xcd/0x170 [ 504.112048][ T10] do_syscall_64+0xc6/0x1e0 [ 504.112048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.112048][ T10] [ 504.114054][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 504.114054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.114054][ T10] ipv6_find_idev+0x102/0x170 [ 504.114054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.114054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.114054][ T10] netlink_rcv_skb+0x130/0x360 [ 504.114054][ T10] netlink_unicast+0x449/0x710 [ 504.114054][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.114054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.114054][ T10] ___sys_sendmsg+0xee/0x170 [ 504.114054][ T10] __sys_sendmsg+0xcd/0x170 [ 504.114054][ T10] do_syscall_64+0xc6/0x1e0 [ 504.114054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.114054][ T10] [ 504.115607][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 504.115607][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.115607][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.115607][ T10] ipv6_find_idev+0x102/0x170 [ 504.115607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.115607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.115607][ T10] netlink_rcv_skb+0x130/0x360 [ 504.115607][ T10] netlink_unicast+0x449/0x710 [ 504.115607][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.115607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.115607][ T10] ___sys_sendmsg+0xee/0x170 [ 504.115607][ T10] __sys_sendmsg+0xcd/0x170 [ 504.115607][ T10] do_syscall_64+0xc6/0x1e0 [ 504.115607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.115607][ T10] [ 504.117540][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 504.117851][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 504.117851][ T10] netdev_get_by_index+0x5e/0x80 [ 504.117851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.117851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.117851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.117851][ T10] ipv6_add_addr+0x411/0x2000 [ 504.117851][ T10] inet6_addr_add+0x30e/0xa40 [ 504.117851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.117851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.117851][ T10] netlink_rcv_skb+0x130/0x360 [ 504.117851][ T10] netlink_unicast+0x449/0x710 [ 504.117851][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.117851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.117851][ T10] ___sys_sendmsg+0xee/0x170 [ 504.117851][ T10] __sys_sendmsg+0xcd/0x170 [ 504.117851][ T10] do_syscall_64+0xc6/0x1e0 [ 504.117851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.117851][ T10] [ 504.120042][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 504.120042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.120042][ T10] ipv6_find_idev+0x102/0x170 [ 504.120042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.120042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.120042][ T10] netlink_rcv_skb+0x130/0x360 [ 504.120042][ T10] netlink_unicast+0x449/0x710 [ 504.120042][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.120042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.120042][ T10] ___sys_sendmsg+0xee/0x170 [ 504.120042][ T10] __sys_sendmsg+0xcd/0x170 [ 504.120042][ T10] do_syscall_64+0xc6/0x1e0 [ 504.120042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.120042][ T10] [ 504.121842][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 504.121842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.121842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.121842][ T10] ipv6_find_idev+0x102/0x170 [ 504.121842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.121842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.121842][ T10] netlink_rcv_skb+0x130/0x360 [ 504.121842][ T10] netlink_unicast+0x449/0x710 [ 504.121842][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.121842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.121842][ T10] ___sys_sendmsg+0xee/0x170 [ 504.121842][ T10] __sys_sendmsg+0xcd/0x170 [ 504.121842][ T10] do_syscall_64+0xc6/0x1e0 [ 504.121842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.121842][ T10] [ 504.123817][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 504.124135][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 504.124135][ T10] netdev_get_by_index+0x5e/0x80 [ 504.124135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 504.124135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 504.124135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 504.124135][ T10] ipv6_add_addr+0x411/0x2000 [ 504.124135][ T10] inet6_addr_add+0x30e/0xa40 [ 504.124135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 504.124135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.124135][ T10] netlink_rcv_skb+0x130/0x360 [ 504.124135][ T10] netlink_unicast+0x449/0x710 [ 504.124135][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.124135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.124135][ T10] ___sys_sendmsg+0xee/0x170 [ 504.124135][ T10] __sys_sendmsg+0xcd/0x170 [ 504.124135][ T10] do_syscall_64+0xc6/0x1e0 [ 504.124135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.124135][ T10] [ 504.126340][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 504.126340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 504.126340][ T10] ipv6_find_idev+0x102/0x170 [ 504.126340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.126340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.126340][ T10] netlink_rcv_skb+0x130/0x360 [ 504.126340][ T10] netlink_unicast+0x449/0x710 [ 504.126340][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.126340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.126340][ T10] ___sys_sendmsg+0xee/0x170 [ 504.126340][ T10] __sys_sendmsg+0xcd/0x170 [ 504.126340][ T10] do_syscall_64+0xc6/0x1e0 [ 504.126340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.126340][ T10] [ 504.128065][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 504.128065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 504.128065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 504.128065][ T10] ipv6_find_idev+0x102/0x170 [ 504.128065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 504.128065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 504.128065][ T10] netlink_rcv_skb+0x130/0x360 [ 504.128065][ T10] netlink_unicast+0x449/0x710 [ 504.128065][ T10] netlink_sendmsg+0x723/0xbe0 [ 504.128065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 504.128065][ T10] ___sys_sendmsg+0xee/0x170 [ 504.128065][ T10] __sys_sendmsg+0xcd/0x170 [ 504.128065][ T10] do_syscall_64+0xc6/0x1e0 [ 504.128065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 504.128065][ T10] [ 514.371013][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 514.371439][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 514.371439][ T10] netdev_get_by_index+0x5e/0x80 [ 514.371439][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.371439][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.371439][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.371439][ T10] ipv6_add_addr+0x411/0x2000 [ 514.371439][ T10] inet6_addr_add+0x30e/0xa40 [ 514.371439][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.371439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.371439][ T10] netlink_rcv_skb+0x130/0x360 [ 514.371439][ T10] netlink_unicast+0x449/0x710 [ 514.371439][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.371439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.371439][ T10] ___sys_sendmsg+0xee/0x170 [ 514.371439][ T10] __sys_sendmsg+0xcd/0x170 [ 514.371439][ T10] do_syscall_64+0xc6/0x1e0 [ 514.371439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.371439][ T10] [ 514.373453][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 514.373453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.373453][ T10] ipv6_find_idev+0x102/0x170 [ 514.373453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.373453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.373453][ T10] netlink_rcv_skb+0x130/0x360 [ 514.373453][ T10] netlink_unicast+0x449/0x710 [ 514.373453][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.373453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.373453][ T10] ___sys_sendmsg+0xee/0x170 [ 514.373453][ T10] __sys_sendmsg+0xcd/0x170 [ 514.373453][ T10] do_syscall_64+0xc6/0x1e0 [ 514.373453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.373453][ T10] [ 514.374993][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 514.374993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.374993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.374993][ T10] ipv6_find_idev+0x102/0x170 [ 514.374993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.374993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.374993][ T10] netlink_rcv_skb+0x130/0x360 [ 514.374993][ T10] netlink_unicast+0x449/0x710 [ 514.374993][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.374993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.374993][ T10] ___sys_sendmsg+0xee/0x170 [ 514.374993][ T10] __sys_sendmsg+0xcd/0x170 [ 514.374993][ T10] do_syscall_64+0xc6/0x1e0 [ 514.374993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.374993][ T10] [ 514.376708][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 514.376994][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 514.376994][ T10] netdev_get_by_index+0x5e/0x80 [ 514.376994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.376994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.376994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.376994][ T10] ipv6_add_addr+0x411/0x2000 [ 514.376994][ T10] inet6_addr_add+0x30e/0xa40 [ 514.376994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.376994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.376994][ T10] netlink_rcv_skb+0x130/0x360 [ 514.376994][ T10] netlink_unicast+0x449/0x710 [ 514.376994][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.376994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.376994][ T10] ___sys_sendmsg+0xee/0x170 [ 514.376994][ T10] __sys_sendmsg+0xcd/0x170 [ 514.376994][ T10] do_syscall_64+0xc6/0x1e0 [ 514.376994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.376994][ T10] [ 514.378992][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 514.378992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.378992][ T10] ipv6_find_idev+0x102/0x170 [ 514.378992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.378992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.378992][ T10] netlink_rcv_skb+0x130/0x360 [ 514.378992][ T10] netlink_unicast+0x449/0x710 [ 514.378992][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.378992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.378992][ T10] ___sys_sendmsg+0xee/0x170 [ 514.378992][ T10] __sys_sendmsg+0xcd/0x170 [ 514.378992][ T10] do_syscall_64+0xc6/0x1e0 [ 514.378992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.378992][ T10] [ 514.380573][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 514.380573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.380573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.380573][ T10] ipv6_find_idev+0x102/0x170 [ 514.380573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.380573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.380573][ T10] netlink_rcv_skb+0x130/0x360 [ 514.380573][ T10] netlink_unicast+0x449/0x710 [ 514.380573][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.380573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.380573][ T10] ___sys_sendmsg+0xee/0x170 [ 514.380573][ T10] __sys_sendmsg+0xcd/0x170 [ 514.380573][ T10] do_syscall_64+0xc6/0x1e0 [ 514.380573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.380573][ T10] [ 514.382265][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 514.382537][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 514.382537][ T10] netdev_get_by_index+0x5e/0x80 [ 514.382537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.382537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.382537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.382537][ T10] ipv6_add_addr+0x411/0x2000 [ 514.382537][ T10] inet6_addr_add+0x30e/0xa40 [ 514.382537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.382537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.382537][ T10] netlink_rcv_skb+0x130/0x360 [ 514.382537][ T10] netlink_unicast+0x449/0x710 [ 514.382537][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.382537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.382537][ T10] ___sys_sendmsg+0xee/0x170 [ 514.382537][ T10] __sys_sendmsg+0xcd/0x170 [ 514.382537][ T10] do_syscall_64+0xc6/0x1e0 [ 514.382537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.382537][ T10] [ 514.384519][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 514.384519][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.384519][ T10] ipv6_find_idev+0x102/0x170 [ 514.384519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.384519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.384519][ T10] netlink_rcv_skb+0x130/0x360 [ 514.384519][ T10] netlink_unicast+0x449/0x710 [ 514.384519][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.384519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.384519][ T10] ___sys_sendmsg+0xee/0x170 [ 514.384519][ T10] __sys_sendmsg+0xcd/0x170 [ 514.384519][ T10] do_syscall_64+0xc6/0x1e0 [ 514.384519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.384519][ T10] [ 514.386047][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 514.386047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.386047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.386047][ T10] ipv6_find_idev+0x102/0x170 [ 514.386047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.386047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.386047][ T10] netlink_rcv_skb+0x130/0x360 [ 514.386047][ T10] netlink_unicast+0x449/0x710 [ 514.386047][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.386047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.386047][ T10] ___sys_sendmsg+0xee/0x170 [ 514.386047][ T10] __sys_sendmsg+0xcd/0x170 [ 514.386047][ T10] do_syscall_64+0xc6/0x1e0 [ 514.386047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.386047][ T10] [ 514.387723][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 514.388417][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 514.388417][ T10] netdev_get_by_index+0x5e/0x80 [ 514.388417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.388417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.388417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.388417][ T10] ipv6_add_addr+0x411/0x2000 [ 514.388417][ T10] inet6_addr_add+0x30e/0xa40 [ 514.388417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.388417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.388417][ T10] netlink_rcv_skb+0x130/0x360 [ 514.388417][ T10] netlink_unicast+0x449/0x710 [ 514.388417][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.388417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.388417][ T10] ___sys_sendmsg+0xee/0x170 [ 514.388417][ T10] __sys_sendmsg+0xcd/0x170 [ 514.388417][ T10] do_syscall_64+0xc6/0x1e0 [ 514.388417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.388417][ T10] [ 514.390453][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 514.390453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.390453][ T10] ipv6_find_idev+0x102/0x170 [ 514.390453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.390453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.390453][ T10] netlink_rcv_skb+0x130/0x360 [ 514.390453][ T10] netlink_unicast+0x449/0x710 [ 514.390453][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.390453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.390453][ T10] ___sys_sendmsg+0xee/0x170 [ 514.390453][ T10] __sys_sendmsg+0xcd/0x170 [ 514.390453][ T10] do_syscall_64+0xc6/0x1e0 [ 514.390453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.390453][ T10] [ 514.392012][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 514.392012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.392012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.392012][ T10] ipv6_find_idev+0x102/0x170 [ 514.392012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.392012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.392012][ T10] netlink_rcv_skb+0x130/0x360 [ 514.392012][ T10] netlink_unicast+0x449/0x710 [ 514.392012][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.392012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.392012][ T10] ___sys_sendmsg+0xee/0x170 [ 514.392012][ T10] __sys_sendmsg+0xcd/0x170 [ 514.392012][ T10] do_syscall_64+0xc6/0x1e0 [ 514.392012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.392012][ T10] [ 514.393739][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 514.394054][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 514.394054][ T10] netdev_get_by_index+0x5e/0x80 [ 514.394054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.394054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.394054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.394054][ T10] ipv6_add_addr+0x411/0x2000 [ 514.394054][ T10] inet6_addr_add+0x30e/0xa40 [ 514.394054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.394054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.394054][ T10] netlink_rcv_skb+0x130/0x360 [ 514.394054][ T10] netlink_unicast+0x449/0x710 [ 514.394054][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.394054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.394054][ T10] ___sys_sendmsg+0xee/0x170 [ 514.394054][ T10] __sys_sendmsg+0xcd/0x170 [ 514.394054][ T10] do_syscall_64+0xc6/0x1e0 [ 514.394054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.394054][ T10] [ 514.396047][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 514.396047][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.396047][ T10] ipv6_find_idev+0x102/0x170 [ 514.396047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.396047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.396047][ T10] netlink_rcv_skb+0x130/0x360 [ 514.396047][ T10] netlink_unicast+0x449/0x710 [ 514.396047][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.396047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.396047][ T10] ___sys_sendmsg+0xee/0x170 [ 514.396047][ T10] __sys_sendmsg+0xcd/0x170 [ 514.396047][ T10] do_syscall_64+0xc6/0x1e0 [ 514.396047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.396047][ T10] [ 514.397597][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 514.397597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.397597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.397597][ T10] ipv6_find_idev+0x102/0x170 [ 514.397597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.397597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.397597][ T10] netlink_rcv_skb+0x130/0x360 [ 514.397597][ T10] netlink_unicast+0x449/0x710 [ 514.397597][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.397597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.397597][ T10] ___sys_sendmsg+0xee/0x170 [ 514.397597][ T10] __sys_sendmsg+0xcd/0x170 [ 514.397597][ T10] do_syscall_64+0xc6/0x1e0 [ 514.397597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.397597][ T10] [ 514.399320][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 514.399635][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 514.399635][ T10] netdev_get_by_index+0x5e/0x80 [ 514.399635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.399635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.399635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.399635][ T10] ipv6_add_addr+0x411/0x2000 [ 514.399635][ T10] inet6_addr_add+0x30e/0xa40 [ 514.399635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.399635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.399635][ T10] netlink_rcv_skb+0x130/0x360 [ 514.399635][ T10] netlink_unicast+0x449/0x710 [ 514.399635][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.399635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.399635][ T10] ___sys_sendmsg+0xee/0x170 [ 514.399635][ T10] __sys_sendmsg+0xcd/0x170 [ 514.399635][ T10] do_syscall_64+0xc6/0x1e0 [ 514.399635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.399635][ T10] [ 514.401669][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 514.401669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.401669][ T10] ipv6_find_idev+0x102/0x170 [ 514.401669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.401669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.401669][ T10] netlink_rcv_skb+0x130/0x360 [ 514.401669][ T10] netlink_unicast+0x449/0x710 [ 514.401669][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.401669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.401669][ T10] ___sys_sendmsg+0xee/0x170 [ 514.401669][ T10] __sys_sendmsg+0xcd/0x170 [ 514.401669][ T10] do_syscall_64+0xc6/0x1e0 [ 514.401669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.401669][ T10] [ 514.403875][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 514.403875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.403875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.403875][ T10] ipv6_find_idev+0x102/0x170 [ 514.403875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.403875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.403875][ T10] netlink_rcv_skb+0x130/0x360 [ 514.403875][ T10] netlink_unicast+0x449/0x710 [ 514.403875][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.403875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.403875][ T10] ___sys_sendmsg+0xee/0x170 [ 514.403875][ T10] __sys_sendmsg+0xcd/0x170 [ 514.403875][ T10] do_syscall_64+0xc6/0x1e0 [ 514.403875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.403875][ T10] [ 514.405795][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 514.406118][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 514.406118][ T10] netdev_get_by_index+0x5e/0x80 [ 514.406118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.406118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.406118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.406118][ T10] ipv6_add_addr+0x411/0x2000 [ 514.406118][ T10] inet6_addr_add+0x30e/0xa40 [ 514.406118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.406118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.406118][ T10] netlink_rcv_skb+0x130/0x360 [ 514.406118][ T10] netlink_unicast+0x449/0x710 [ 514.406118][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.406118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.406118][ T10] ___sys_sendmsg+0xee/0x170 [ 514.406118][ T10] __sys_sendmsg+0xcd/0x170 [ 514.406118][ T10] do_syscall_64+0xc6/0x1e0 [ 514.406118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.406118][ T10] [ 514.408289][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 514.408289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.408289][ T10] ipv6_find_idev+0x102/0x170 [ 514.408289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.408289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.408289][ T10] netlink_rcv_skb+0x130/0x360 [ 514.408289][ T10] netlink_unicast+0x449/0x710 [ 514.408289][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.408289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.408289][ T10] ___sys_sendmsg+0xee/0x170 [ 514.408289][ T10] __sys_sendmsg+0xcd/0x170 [ 514.408289][ T10] do_syscall_64+0xc6/0x1e0 [ 514.408289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.408289][ T10] [ 514.410006][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 514.410006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.410006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.410006][ T10] ipv6_find_idev+0x102/0x170 [ 514.410006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.410006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.410006][ T10] netlink_rcv_skb+0x130/0x360 [ 514.410006][ T10] netlink_unicast+0x449/0x710 [ 514.410006][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.410006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.410006][ T10] ___sys_sendmsg+0xee/0x170 [ 514.410006][ T10] __sys_sendmsg+0xcd/0x170 [ 514.410006][ T10] do_syscall_64+0xc6/0x1e0 [ 514.410006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.410006][ T10] [ 514.412021][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 514.412330][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 514.412330][ T10] netdev_get_by_index+0x5e/0x80 [ 514.412330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 514.412330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 514.412330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 514.412330][ T10] ipv6_add_addr+0x411/0x2000 [ 514.412330][ T10] inet6_addr_add+0x30e/0xa40 [ 514.412330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 514.412330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.412330][ T10] netlink_rcv_skb+0x130/0x360 [ 514.412330][ T10] netlink_unicast+0x449/0x710 [ 514.412330][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.412330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.412330][ T10] ___sys_sendmsg+0xee/0x170 [ 514.412330][ T10] __sys_sendmsg+0xcd/0x170 [ 514.412330][ T10] do_syscall_64+0xc6/0x1e0 [ 514.412330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.412330][ T10] [ 514.414493][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 514.414493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 514.414493][ T10] ipv6_find_idev+0x102/0x170 [ 514.414493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.414493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.414493][ T10] netlink_rcv_skb+0x130/0x360 [ 514.414493][ T10] netlink_unicast+0x449/0x710 [ 514.414493][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.414493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.414493][ T10] ___sys_sendmsg+0xee/0x170 [ 514.414493][ T10] __sys_sendmsg+0xcd/0x170 [ 514.414493][ T10] do_syscall_64+0xc6/0x1e0 [ 514.414493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.414493][ T10] [ 514.416202][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 514.416202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 514.416202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 514.416202][ T10] ipv6_find_idev+0x102/0x170 [ 514.416202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 514.416202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 514.416202][ T10] netlink_rcv_skb+0x130/0x360 [ 514.416202][ T10] netlink_unicast+0x449/0x710 [ 514.416202][ T10] netlink_sendmsg+0x723/0xbe0 [ 514.416202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 514.416202][ T10] ___sys_sendmsg+0xee/0x170 [ 514.416202][ T10] __sys_sendmsg+0xcd/0x170 [ 514.416202][ T10] do_syscall_64+0xc6/0x1e0 [ 514.416202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 514.416202][ T10] [ 524.602980][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 524.603468][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 524.603468][ T10] netdev_get_by_index+0x5e/0x80 [ 524.603468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.603468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.603468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.603468][ T10] ipv6_add_addr+0x411/0x2000 [ 524.603468][ T10] inet6_addr_add+0x30e/0xa40 [ 524.603468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.603468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.603468][ T10] netlink_rcv_skb+0x130/0x360 [ 524.603468][ T10] netlink_unicast+0x449/0x710 [ 524.603468][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.603468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.603468][ T10] ___sys_sendmsg+0xee/0x170 [ 524.603468][ T10] __sys_sendmsg+0xcd/0x170 [ 524.603468][ T10] do_syscall_64+0xc6/0x1e0 [ 524.603468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.603468][ T10] [ 524.605439][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 524.605439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.605439][ T10] ipv6_find_idev+0x102/0x170 [ 524.605439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.605439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.605439][ T10] netlink_rcv_skb+0x130/0x360 [ 524.605439][ T10] netlink_unicast+0x449/0x710 [ 524.605439][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.605439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.605439][ T10] ___sys_sendmsg+0xee/0x170 [ 524.605439][ T10] __sys_sendmsg+0xcd/0x170 [ 524.605439][ T10] do_syscall_64+0xc6/0x1e0 [ 524.605439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.605439][ T10] [ 524.607362][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 524.607362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.607362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.607362][ T10] ipv6_find_idev+0x102/0x170 [ 524.607362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.607362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.607362][ T10] netlink_rcv_skb+0x130/0x360 [ 524.607362][ T10] netlink_unicast+0x449/0x710 [ 524.607362][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.607362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.607362][ T10] ___sys_sendmsg+0xee/0x170 [ 524.607362][ T10] __sys_sendmsg+0xcd/0x170 [ 524.607362][ T10] do_syscall_64+0xc6/0x1e0 [ 524.607362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.607362][ T10] [ 524.609013][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 524.609281][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 524.609281][ T10] netdev_get_by_index+0x5e/0x80 [ 524.609281][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.609281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.609281][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.609281][ T10] ipv6_add_addr+0x411/0x2000 [ 524.609281][ T10] inet6_addr_add+0x30e/0xa40 [ 524.609281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.609281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.609281][ T10] netlink_rcv_skb+0x130/0x360 [ 524.609281][ T10] netlink_unicast+0x449/0x710 [ 524.609281][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.609281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.609281][ T10] ___sys_sendmsg+0xee/0x170 [ 524.609281][ T10] __sys_sendmsg+0xcd/0x170 [ 524.609281][ T10] do_syscall_64+0xc6/0x1e0 [ 524.609281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.609281][ T10] [ 524.611256][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 524.611256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.611256][ T10] ipv6_find_idev+0x102/0x170 [ 524.611256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.611256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.611256][ T10] netlink_rcv_skb+0x130/0x360 [ 524.611256][ T10] netlink_unicast+0x449/0x710 [ 524.611256][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.611256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.611256][ T10] ___sys_sendmsg+0xee/0x170 [ 524.611256][ T10] __sys_sendmsg+0xcd/0x170 [ 524.611256][ T10] do_syscall_64+0xc6/0x1e0 [ 524.611256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.611256][ T10] [ 524.612770][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 524.612770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.612770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.612770][ T10] ipv6_find_idev+0x102/0x170 [ 524.612770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.612770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.612770][ T10] netlink_rcv_skb+0x130/0x360 [ 524.612770][ T10] netlink_unicast+0x449/0x710 [ 524.612770][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.612770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.612770][ T10] ___sys_sendmsg+0xee/0x170 [ 524.612770][ T10] __sys_sendmsg+0xcd/0x170 [ 524.612770][ T10] do_syscall_64+0xc6/0x1e0 [ 524.612770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.612770][ T10] [ 524.614429][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 524.614690][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 524.614690][ T10] netdev_get_by_index+0x5e/0x80 [ 524.614690][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.614690][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.614690][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.614690][ T10] ipv6_add_addr+0x411/0x2000 [ 524.614690][ T10] inet6_addr_add+0x30e/0xa40 [ 524.614690][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.614690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.614690][ T10] netlink_rcv_skb+0x130/0x360 [ 524.614690][ T10] netlink_unicast+0x449/0x710 [ 524.614690][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.614690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.614690][ T10] ___sys_sendmsg+0xee/0x170 [ 524.614690][ T10] __sys_sendmsg+0xcd/0x170 [ 524.614690][ T10] do_syscall_64+0xc6/0x1e0 [ 524.614690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.614690][ T10] [ 524.616640][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 524.616640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.616640][ T10] ipv6_find_idev+0x102/0x170 [ 524.616640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.616640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.616640][ T10] netlink_rcv_skb+0x130/0x360 [ 524.616640][ T10] netlink_unicast+0x449/0x710 [ 524.616640][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.616640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.616640][ T10] ___sys_sendmsg+0xee/0x170 [ 524.616640][ T10] __sys_sendmsg+0xcd/0x170 [ 524.616640][ T10] do_syscall_64+0xc6/0x1e0 [ 524.616640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.616640][ T10] [ 524.618145][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 524.618145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.618145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.618145][ T10] ipv6_find_idev+0x102/0x170 [ 524.618145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.618145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.618145][ T10] netlink_rcv_skb+0x130/0x360 [ 524.618145][ T10] netlink_unicast+0x449/0x710 [ 524.618145][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.618145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.618145][ T10] ___sys_sendmsg+0xee/0x170 [ 524.618145][ T10] __sys_sendmsg+0xcd/0x170 [ 524.618145][ T10] do_syscall_64+0xc6/0x1e0 [ 524.618145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.618145][ T10] [ 524.619799][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 524.620119][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 524.620119][ T10] netdev_get_by_index+0x5e/0x80 [ 524.620119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.620119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.620119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.620119][ T10] ipv6_add_addr+0x411/0x2000 [ 524.620119][ T10] inet6_addr_add+0x30e/0xa40 [ 524.620119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.620119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.620119][ T10] netlink_rcv_skb+0x130/0x360 [ 524.620119][ T10] netlink_unicast+0x449/0x710 [ 524.620119][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.620119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.620119][ T10] ___sys_sendmsg+0xee/0x170 [ 524.620119][ T10] __sys_sendmsg+0xcd/0x170 [ 524.620119][ T10] do_syscall_64+0xc6/0x1e0 [ 524.620119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.620119][ T10] [ 524.622088][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 524.622088][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.622088][ T10] ipv6_find_idev+0x102/0x170 [ 524.622088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.622088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.622088][ T10] netlink_rcv_skb+0x130/0x360 [ 524.622088][ T10] netlink_unicast+0x449/0x710 [ 524.622088][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.622088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.622088][ T10] ___sys_sendmsg+0xee/0x170 [ 524.622088][ T10] __sys_sendmsg+0xcd/0x170 [ 524.622088][ T10] do_syscall_64+0xc6/0x1e0 [ 524.622088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.622088][ T10] [ 524.623601][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 524.623601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.623601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.623601][ T10] ipv6_find_idev+0x102/0x170 [ 524.623601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.623601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.623601][ T10] netlink_rcv_skb+0x130/0x360 [ 524.623601][ T10] netlink_unicast+0x449/0x710 [ 524.623601][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.623601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.623601][ T10] ___sys_sendmsg+0xee/0x170 [ 524.623601][ T10] __sys_sendmsg+0xcd/0x170 [ 524.623601][ T10] do_syscall_64+0xc6/0x1e0 [ 524.623601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.623601][ T10] [ 524.625294][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 524.625556][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 524.625556][ T10] netdev_get_by_index+0x5e/0x80 [ 524.625556][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.625556][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.625556][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.625556][ T10] ipv6_add_addr+0x411/0x2000 [ 524.625556][ T10] inet6_addr_add+0x30e/0xa40 [ 524.625556][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.625556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.625556][ T10] netlink_rcv_skb+0x130/0x360 [ 524.625556][ T10] netlink_unicast+0x449/0x710 [ 524.625556][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.625556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.625556][ T10] ___sys_sendmsg+0xee/0x170 [ 524.625556][ T10] __sys_sendmsg+0xcd/0x170 [ 524.625556][ T10] do_syscall_64+0xc6/0x1e0 [ 524.625556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.625556][ T10] [ 524.627520][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 524.627520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.627520][ T10] ipv6_find_idev+0x102/0x170 [ 524.627520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.627520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.627520][ T10] netlink_rcv_skb+0x130/0x360 [ 524.627520][ T10] netlink_unicast+0x449/0x710 [ 524.627520][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.627520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.627520][ T10] ___sys_sendmsg+0xee/0x170 [ 524.627520][ T10] __sys_sendmsg+0xcd/0x170 [ 524.627520][ T10] do_syscall_64+0xc6/0x1e0 [ 524.627520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.627520][ T10] [ 524.629026][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 524.629026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.629026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.629026][ T10] ipv6_find_idev+0x102/0x170 [ 524.629026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.629026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.629026][ T10] netlink_rcv_skb+0x130/0x360 [ 524.629026][ T10] netlink_unicast+0x449/0x710 [ 524.629026][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.629026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.629026][ T10] ___sys_sendmsg+0xee/0x170 [ 524.629026][ T10] __sys_sendmsg+0xcd/0x170 [ 524.629026][ T10] do_syscall_64+0xc6/0x1e0 [ 524.629026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.629026][ T10] [ 524.631023][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 524.631281][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 524.631281][ T10] netdev_get_by_index+0x5e/0x80 [ 524.631281][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.631281][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.631281][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.631281][ T10] ipv6_add_addr+0x411/0x2000 [ 524.631281][ T10] inet6_addr_add+0x30e/0xa40 [ 524.631281][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.631281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.631281][ T10] netlink_rcv_skb+0x130/0x360 [ 524.631281][ T10] netlink_unicast+0x449/0x710 [ 524.631281][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.631281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.631281][ T10] ___sys_sendmsg+0xee/0x170 [ 524.631281][ T10] __sys_sendmsg+0xcd/0x170 [ 524.631281][ T10] do_syscall_64+0xc6/0x1e0 [ 524.631281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.631281][ T10] [ 524.633418][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 524.633418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.633418][ T10] ipv6_find_idev+0x102/0x170 [ 524.633418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.633418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.633418][ T10] netlink_rcv_skb+0x130/0x360 [ 524.633418][ T10] netlink_unicast+0x449/0x710 [ 524.633418][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.633418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.633418][ T10] ___sys_sendmsg+0xee/0x170 [ 524.633418][ T10] __sys_sendmsg+0xcd/0x170 [ 524.633418][ T10] do_syscall_64+0xc6/0x1e0 [ 524.633418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.633418][ T10] [ 524.635121][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 524.635121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.635121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.635121][ T10] ipv6_find_idev+0x102/0x170 [ 524.635121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.635121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.635121][ T10] netlink_rcv_skb+0x130/0x360 [ 524.635121][ T10] netlink_unicast+0x449/0x710 [ 524.635121][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.635121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.635121][ T10] ___sys_sendmsg+0xee/0x170 [ 524.635121][ T10] __sys_sendmsg+0xcd/0x170 [ 524.635121][ T10] do_syscall_64+0xc6/0x1e0 [ 524.635121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.635121][ T10] [ 524.636998][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 524.637255][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 524.637255][ T10] netdev_get_by_index+0x5e/0x80 [ 524.637255][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.637255][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.637255][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.637255][ T10] ipv6_add_addr+0x411/0x2000 [ 524.637255][ T10] inet6_addr_add+0x30e/0xa40 [ 524.637255][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.637255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.637255][ T10] netlink_rcv_skb+0x130/0x360 [ 524.637255][ T10] netlink_unicast+0x449/0x710 [ 524.637255][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.637255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.637255][ T10] ___sys_sendmsg+0xee/0x170 [ 524.637255][ T10] __sys_sendmsg+0xcd/0x170 [ 524.637255][ T10] do_syscall_64+0xc6/0x1e0 [ 524.637255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.637255][ T10] [ 524.639399][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 524.639399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.639399][ T10] ipv6_find_idev+0x102/0x170 [ 524.639399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.639399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.639399][ T10] netlink_rcv_skb+0x130/0x360 [ 524.639399][ T10] netlink_unicast+0x449/0x710 [ 524.639399][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.639399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.639399][ T10] ___sys_sendmsg+0xee/0x170 [ 524.639399][ T10] __sys_sendmsg+0xcd/0x170 [ 524.639399][ T10] do_syscall_64+0xc6/0x1e0 [ 524.639399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.639399][ T10] [ 524.641155][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 524.641155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.641155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.641155][ T10] ipv6_find_idev+0x102/0x170 [ 524.641155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.641155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.641155][ T10] netlink_rcv_skb+0x130/0x360 [ 524.641155][ T10] netlink_unicast+0x449/0x710 [ 524.641155][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.641155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.641155][ T10] ___sys_sendmsg+0xee/0x170 [ 524.641155][ T10] __sys_sendmsg+0xcd/0x170 [ 524.641155][ T10] do_syscall_64+0xc6/0x1e0 [ 524.641155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.641155][ T10] [ 524.643040][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 524.643303][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 524.643303][ T10] netdev_get_by_index+0x5e/0x80 [ 524.643303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 524.643303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 524.643303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 524.643303][ T10] ipv6_add_addr+0x411/0x2000 [ 524.643303][ T10] inet6_addr_add+0x30e/0xa40 [ 524.643303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 524.643303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.643303][ T10] netlink_rcv_skb+0x130/0x360 [ 524.643303][ T10] netlink_unicast+0x449/0x710 [ 524.643303][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.643303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.643303][ T10] ___sys_sendmsg+0xee/0x170 [ 524.643303][ T10] __sys_sendmsg+0xcd/0x170 [ 524.643303][ T10] do_syscall_64+0xc6/0x1e0 [ 524.643303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.643303][ T10] [ 524.645509][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 524.645509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 524.645509][ T10] ipv6_find_idev+0x102/0x170 [ 524.645509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.645509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.645509][ T10] netlink_rcv_skb+0x130/0x360 [ 524.645509][ T10] netlink_unicast+0x449/0x710 [ 524.645509][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.645509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.645509][ T10] ___sys_sendmsg+0xee/0x170 [ 524.645509][ T10] __sys_sendmsg+0xcd/0x170 [ 524.645509][ T10] do_syscall_64+0xc6/0x1e0 [ 524.645509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.645509][ T10] [ 524.647282][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 524.647282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 524.647282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 524.647282][ T10] ipv6_find_idev+0x102/0x170 [ 524.647282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 524.647282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 524.647282][ T10] netlink_rcv_skb+0x130/0x360 [ 524.647282][ T10] netlink_unicast+0x449/0x710 [ 524.647282][ T10] netlink_sendmsg+0x723/0xbe0 [ 524.647282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 524.647282][ T10] ___sys_sendmsg+0xee/0x170 [ 524.647282][ T10] __sys_sendmsg+0xcd/0x170 [ 524.647282][ T10] do_syscall_64+0xc6/0x1e0 [ 524.647282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 524.647282][ T10] [ 534.682926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 534.683373][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 534.683373][ T10] netdev_get_by_index+0x5e/0x80 [ 534.683373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.683373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.683373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.683373][ T10] ipv6_add_addr+0x411/0x2000 [ 534.683373][ T10] inet6_addr_add+0x30e/0xa40 [ 534.683373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.683373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.683373][ T10] netlink_rcv_skb+0x130/0x360 [ 534.683373][ T10] netlink_unicast+0x449/0x710 [ 534.683373][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.683373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.683373][ T10] ___sys_sendmsg+0xee/0x170 [ 534.683373][ T10] __sys_sendmsg+0xcd/0x170 [ 534.683373][ T10] do_syscall_64+0xc6/0x1e0 [ 534.683373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.683373][ T10] [ 534.685624][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 534.685624][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.685624][ T10] ipv6_find_idev+0x102/0x170 [ 534.685624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.685624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.685624][ T10] netlink_rcv_skb+0x130/0x360 [ 534.685624][ T10] netlink_unicast+0x449/0x710 [ 534.685624][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.685624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.685624][ T10] ___sys_sendmsg+0xee/0x170 [ 534.685624][ T10] __sys_sendmsg+0xcd/0x170 [ 534.685624][ T10] do_syscall_64+0xc6/0x1e0 [ 534.685624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.685624][ T10] [ 534.687221][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 534.687221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.687221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.687221][ T10] ipv6_find_idev+0x102/0x170 [ 534.687221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.687221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.687221][ T10] netlink_rcv_skb+0x130/0x360 [ 534.687221][ T10] netlink_unicast+0x449/0x710 [ 534.687221][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.687221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.687221][ T10] ___sys_sendmsg+0xee/0x170 [ 534.687221][ T10] __sys_sendmsg+0xcd/0x170 [ 534.687221][ T10] do_syscall_64+0xc6/0x1e0 [ 534.687221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.687221][ T10] [ 534.688916][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 534.689184][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 534.689184][ T10] netdev_get_by_index+0x5e/0x80 [ 534.689184][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.689184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.689184][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.689184][ T10] ipv6_add_addr+0x411/0x2000 [ 534.689184][ T10] inet6_addr_add+0x30e/0xa40 [ 534.689184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.689184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.689184][ T10] netlink_rcv_skb+0x130/0x360 [ 534.689184][ T10] netlink_unicast+0x449/0x710 [ 534.689184][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.689184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.689184][ T10] ___sys_sendmsg+0xee/0x170 [ 534.689184][ T10] __sys_sendmsg+0xcd/0x170 [ 534.689184][ T10] do_syscall_64+0xc6/0x1e0 [ 534.689184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.689184][ T10] [ 534.691326][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 534.691326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.691326][ T10] ipv6_find_idev+0x102/0x170 [ 534.691326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.691326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.691326][ T10] netlink_rcv_skb+0x130/0x360 [ 534.691326][ T10] netlink_unicast+0x449/0x710 [ 534.691326][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.691326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.691326][ T10] ___sys_sendmsg+0xee/0x170 [ 534.691326][ T10] __sys_sendmsg+0xcd/0x170 [ 534.691326][ T10] do_syscall_64+0xc6/0x1e0 [ 534.691326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.691326][ T10] [ 534.692993][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 534.692993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.692993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.692993][ T10] ipv6_find_idev+0x102/0x170 [ 534.692993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.692993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.692993][ T10] netlink_rcv_skb+0x130/0x360 [ 534.692993][ T10] netlink_unicast+0x449/0x710 [ 534.692993][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.692993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.692993][ T10] ___sys_sendmsg+0xee/0x170 [ 534.692993][ T10] __sys_sendmsg+0xcd/0x170 [ 534.692993][ T10] do_syscall_64+0xc6/0x1e0 [ 534.692993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.692993][ T10] [ 534.694860][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 534.695153][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 534.695153][ T10] netdev_get_by_index+0x5e/0x80 [ 534.695153][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.695153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.695153][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.695153][ T10] ipv6_add_addr+0x411/0x2000 [ 534.695153][ T10] inet6_addr_add+0x30e/0xa40 [ 534.695153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.695153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.695153][ T10] netlink_rcv_skb+0x130/0x360 [ 534.695153][ T10] netlink_unicast+0x449/0x710 [ 534.695153][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.695153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.695153][ T10] ___sys_sendmsg+0xee/0x170 [ 534.695153][ T10] __sys_sendmsg+0xcd/0x170 [ 534.695153][ T10] do_syscall_64+0xc6/0x1e0 [ 534.695153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.695153][ T10] [ 534.697350][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 534.697350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.697350][ T10] ipv6_find_idev+0x102/0x170 [ 534.697350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.697350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.697350][ T10] netlink_rcv_skb+0x130/0x360 [ 534.697350][ T10] netlink_unicast+0x449/0x710 [ 534.697350][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.697350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.697350][ T10] ___sys_sendmsg+0xee/0x170 [ 534.697350][ T10] __sys_sendmsg+0xcd/0x170 [ 534.697350][ T10] do_syscall_64+0xc6/0x1e0 [ 534.697350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.697350][ T10] [ 534.699031][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 534.699031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.699031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.699031][ T10] ipv6_find_idev+0x102/0x170 [ 534.699031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.699031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.699031][ T10] netlink_rcv_skb+0x130/0x360 [ 534.699031][ T10] netlink_unicast+0x449/0x710 [ 534.699031][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.699031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.699031][ T10] ___sys_sendmsg+0xee/0x170 [ 534.699031][ T10] __sys_sendmsg+0xcd/0x170 [ 534.699031][ T10] do_syscall_64+0xc6/0x1e0 [ 534.699031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.699031][ T10] [ 534.700893][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 534.701187][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 534.701187][ T10] netdev_get_by_index+0x5e/0x80 [ 534.701187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.701187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.701187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.701187][ T10] ipv6_add_addr+0x411/0x2000 [ 534.701187][ T10] inet6_addr_add+0x30e/0xa40 [ 534.701187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.701187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.701187][ T10] netlink_rcv_skb+0x130/0x360 [ 534.701187][ T10] netlink_unicast+0x449/0x710 [ 534.701187][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.701187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.701187][ T10] ___sys_sendmsg+0xee/0x170 [ 534.701187][ T10] __sys_sendmsg+0xcd/0x170 [ 534.701187][ T10] do_syscall_64+0xc6/0x1e0 [ 534.701187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.701187][ T10] [ 534.703331][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 534.703331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.703331][ T10] ipv6_find_idev+0x102/0x170 [ 534.703331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.703331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.703331][ T10] netlink_rcv_skb+0x130/0x360 [ 534.703331][ T10] netlink_unicast+0x449/0x710 [ 534.703331][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.703331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.703331][ T10] ___sys_sendmsg+0xee/0x170 [ 534.703331][ T10] __sys_sendmsg+0xcd/0x170 [ 534.703331][ T10] do_syscall_64+0xc6/0x1e0 [ 534.703331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.703331][ T10] [ 534.704977][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 534.704977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.704977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.704977][ T10] ipv6_find_idev+0x102/0x170 [ 534.704977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.704977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.704977][ T10] netlink_rcv_skb+0x130/0x360 [ 534.704977][ T10] netlink_unicast+0x449/0x710 [ 534.704977][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.704977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.704977][ T10] ___sys_sendmsg+0xee/0x170 [ 534.704977][ T10] __sys_sendmsg+0xcd/0x170 [ 534.704977][ T10] do_syscall_64+0xc6/0x1e0 [ 534.704977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.704977][ T10] [ 534.707190][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 534.707468][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 534.707468][ T10] netdev_get_by_index+0x5e/0x80 [ 534.707468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.707468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.707468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.707468][ T10] ipv6_add_addr+0x411/0x2000 [ 534.707468][ T10] inet6_addr_add+0x30e/0xa40 [ 534.707468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.707468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.707468][ T10] netlink_rcv_skb+0x130/0x360 [ 534.707468][ T10] netlink_unicast+0x449/0x710 [ 534.707468][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.707468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.707468][ T10] ___sys_sendmsg+0xee/0x170 [ 534.707468][ T10] __sys_sendmsg+0xcd/0x170 [ 534.707468][ T10] do_syscall_64+0xc6/0x1e0 [ 534.707468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.707468][ T10] [ 534.709647][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 534.709647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.709647][ T10] ipv6_find_idev+0x102/0x170 [ 534.709647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.709647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.709647][ T10] netlink_rcv_skb+0x130/0x360 [ 534.709647][ T10] netlink_unicast+0x449/0x710 [ 534.709647][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.709647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.709647][ T10] ___sys_sendmsg+0xee/0x170 [ 534.709647][ T10] __sys_sendmsg+0xcd/0x170 [ 534.709647][ T10] do_syscall_64+0xc6/0x1e0 [ 534.709647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.709647][ T10] [ 534.711261][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 534.711261][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.711261][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.711261][ T10] ipv6_find_idev+0x102/0x170 [ 534.711261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.711261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.711261][ T10] netlink_rcv_skb+0x130/0x360 [ 534.711261][ T10] netlink_unicast+0x449/0x710 [ 534.711261][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.711261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.711261][ T10] ___sys_sendmsg+0xee/0x170 [ 534.711261][ T10] __sys_sendmsg+0xcd/0x170 [ 534.711261][ T10] do_syscall_64+0xc6/0x1e0 [ 534.711261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.711261][ T10] [ 534.713007][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 534.713275][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 534.713275][ T10] netdev_get_by_index+0x5e/0x80 [ 534.713275][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.713275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.713275][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.713275][ T10] ipv6_add_addr+0x411/0x2000 [ 534.713275][ T10] inet6_addr_add+0x30e/0xa40 [ 534.713275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.713275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.713275][ T10] netlink_rcv_skb+0x130/0x360 [ 534.713275][ T10] netlink_unicast+0x449/0x710 [ 534.713275][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.713275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.713275][ T10] ___sys_sendmsg+0xee/0x170 [ 534.713275][ T10] __sys_sendmsg+0xcd/0x170 [ 534.713275][ T10] do_syscall_64+0xc6/0x1e0 [ 534.713275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.713275][ T10] [ 534.715393][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 534.715393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.715393][ T10] ipv6_find_idev+0x102/0x170 [ 534.715393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.715393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.715393][ T10] netlink_rcv_skb+0x130/0x360 [ 534.715393][ T10] netlink_unicast+0x449/0x710 [ 534.715393][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.715393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.715393][ T10] ___sys_sendmsg+0xee/0x170 [ 534.715393][ T10] __sys_sendmsg+0xcd/0x170 [ 534.715393][ T10] do_syscall_64+0xc6/0x1e0 [ 534.715393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.715393][ T10] [ 534.717206][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 534.717206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.717206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.717206][ T10] ipv6_find_idev+0x102/0x170 [ 534.717206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.717206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.717206][ T10] netlink_rcv_skb+0x130/0x360 [ 534.717206][ T10] netlink_unicast+0x449/0x710 [ 534.717206][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.717206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.717206][ T10] ___sys_sendmsg+0xee/0x170 [ 534.717206][ T10] __sys_sendmsg+0xcd/0x170 [ 534.717206][ T10] do_syscall_64+0xc6/0x1e0 [ 534.717206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.717206][ T10] [ 534.719200][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 534.719483][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 534.719483][ T10] netdev_get_by_index+0x5e/0x80 [ 534.719483][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.719483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.719483][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.719483][ T10] ipv6_add_addr+0x411/0x2000 [ 534.719483][ T10] inet6_addr_add+0x30e/0xa40 [ 534.719483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.719483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.719483][ T10] netlink_rcv_skb+0x130/0x360 [ 534.719483][ T10] netlink_unicast+0x449/0x710 [ 534.719483][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.719483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.719483][ T10] ___sys_sendmsg+0xee/0x170 [ 534.719483][ T10] __sys_sendmsg+0xcd/0x170 [ 534.719483][ T10] do_syscall_64+0xc6/0x1e0 [ 534.719483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.719483][ T10] [ 534.721679][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 534.721679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.721679][ T10] ipv6_find_idev+0x102/0x170 [ 534.721679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.721679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.721679][ T10] netlink_rcv_skb+0x130/0x360 [ 534.721679][ T10] netlink_unicast+0x449/0x710 [ 534.721679][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.721679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.721679][ T10] ___sys_sendmsg+0xee/0x170 [ 534.721679][ T10] __sys_sendmsg+0xcd/0x170 [ 534.721679][ T10] do_syscall_64+0xc6/0x1e0 [ 534.721679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.721679][ T10] [ 534.723417][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 534.723417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.723417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.723417][ T10] ipv6_find_idev+0x102/0x170 [ 534.723417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.723417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.723417][ T10] netlink_rcv_skb+0x130/0x360 [ 534.723417][ T10] netlink_unicast+0x449/0x710 [ 534.723417][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.723417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.723417][ T10] ___sys_sendmsg+0xee/0x170 [ 534.723417][ T10] __sys_sendmsg+0xcd/0x170 [ 534.723417][ T10] do_syscall_64+0xc6/0x1e0 [ 534.723417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.723417][ T10] [ 534.725385][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 534.725651][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 534.725651][ T10] netdev_get_by_index+0x5e/0x80 [ 534.725651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 534.725651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 534.725651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 534.725651][ T10] ipv6_add_addr+0x411/0x2000 [ 534.725651][ T10] inet6_addr_add+0x30e/0xa40 [ 534.725651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 534.725651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.725651][ T10] netlink_rcv_skb+0x130/0x360 [ 534.725651][ T10] netlink_unicast+0x449/0x710 [ 534.725651][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.725651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.725651][ T10] ___sys_sendmsg+0xee/0x170 [ 534.725651][ T10] __sys_sendmsg+0xcd/0x170 [ 534.725651][ T10] do_syscall_64+0xc6/0x1e0 [ 534.725651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.725651][ T10] [ 534.727879][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 534.727879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 534.727879][ T10] ipv6_find_idev+0x102/0x170 [ 534.727879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.727879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.727879][ T10] netlink_rcv_skb+0x130/0x360 [ 534.727879][ T10] netlink_unicast+0x449/0x710 [ 534.727879][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.727879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.727879][ T10] ___sys_sendmsg+0xee/0x170 [ 534.727879][ T10] __sys_sendmsg+0xcd/0x170 [ 534.727879][ T10] do_syscall_64+0xc6/0x1e0 [ 534.727879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.727879][ T10] [ 534.729563][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 534.729563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 534.729563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 534.729563][ T10] ipv6_find_idev+0x102/0x170 [ 534.729563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 534.729563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 534.729563][ T10] netlink_rcv_skb+0x130/0x360 [ 534.729563][ T10] netlink_unicast+0x449/0x710 [ 534.729563][ T10] netlink_sendmsg+0x723/0xbe0 [ 534.729563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 534.729563][ T10] ___sys_sendmsg+0xee/0x170 [ 534.729563][ T10] __sys_sendmsg+0xcd/0x170 [ 534.729563][ T10] do_syscall_64+0xc6/0x1e0 [ 534.729563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 534.729563][ T10] [ 544.970960][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 544.971494][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 544.971494][ T10] netdev_get_by_index+0x5e/0x80 [ 544.971494][ T10] fib6_nh_init+0x3d8/0x15b0 [ 544.971494][ T10] ip6_route_info_create+0xf18/0x17d0 [ 544.971494][ T10] addrconf_f6i_alloc+0x244/0x410 [ 544.971494][ T10] ipv6_add_addr+0x411/0x2000 [ 544.971494][ T10] inet6_addr_add+0x30e/0xa40 [ 544.971494][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 544.971494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.971494][ T10] netlink_rcv_skb+0x130/0x360 [ 544.971494][ T10] netlink_unicast+0x449/0x710 [ 544.971494][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.971494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.971494][ T10] ___sys_sendmsg+0xee/0x170 [ 544.971494][ T10] __sys_sendmsg+0xcd/0x170 [ 544.971494][ T10] do_syscall_64+0xc6/0x1e0 [ 544.971494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.971494][ T10] [ 544.974606][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 544.974606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 544.974606][ T10] ipv6_find_idev+0x102/0x170 [ 544.974606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 544.974606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.974606][ T10] netlink_rcv_skb+0x130/0x360 [ 544.974606][ T10] netlink_unicast+0x449/0x710 [ 544.974606][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.974606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.974606][ T10] ___sys_sendmsg+0xee/0x170 [ 544.974606][ T10] __sys_sendmsg+0xcd/0x170 [ 544.974606][ T10] do_syscall_64+0xc6/0x1e0 [ 544.974606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.974606][ T10] [ 544.977029][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 544.977029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 544.977029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 544.977029][ T10] ipv6_find_idev+0x102/0x170 [ 544.977029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 544.977029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.977029][ T10] netlink_rcv_skb+0x130/0x360 [ 544.977029][ T10] netlink_unicast+0x449/0x710 [ 544.977029][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.977029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.977029][ T10] ___sys_sendmsg+0xee/0x170 [ 544.977029][ T10] __sys_sendmsg+0xcd/0x170 [ 544.977029][ T10] do_syscall_64+0xc6/0x1e0 [ 544.977029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.977029][ T10] [ 544.979678][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 544.980120][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 544.980120][ T10] netdev_get_by_index+0x5e/0x80 [ 544.980120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 544.980120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 544.980120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 544.980120][ T10] ipv6_add_addr+0x411/0x2000 [ 544.980120][ T10] inet6_addr_add+0x30e/0xa40 [ 544.980120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 544.980120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.980120][ T10] netlink_rcv_skb+0x130/0x360 [ 544.980120][ T10] netlink_unicast+0x449/0x710 [ 544.980120][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.980120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.980120][ T10] ___sys_sendmsg+0xee/0x170 [ 544.980120][ T10] __sys_sendmsg+0xcd/0x170 [ 544.980120][ T10] do_syscall_64+0xc6/0x1e0 [ 544.980120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.980120][ T10] [ 544.983217][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 544.983217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 544.983217][ T10] ipv6_find_idev+0x102/0x170 [ 544.983217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 544.983217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.983217][ T10] netlink_rcv_skb+0x130/0x360 [ 544.983217][ T10] netlink_unicast+0x449/0x710 [ 544.983217][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.983217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.983217][ T10] ___sys_sendmsg+0xee/0x170 [ 544.983217][ T10] __sys_sendmsg+0xcd/0x170 [ 544.983217][ T10] do_syscall_64+0xc6/0x1e0 [ 544.983217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.983217][ T10] [ 544.985601][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 544.985601][ T10] neigh_parms_alloc+0x1e5/0x510 [ 544.985601][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 544.985601][ T10] ipv6_find_idev+0x102/0x170 [ 544.985601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 544.985601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.985601][ T10] netlink_rcv_skb+0x130/0x360 [ 544.985601][ T10] netlink_unicast+0x449/0x710 [ 544.985601][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.985601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.985601][ T10] ___sys_sendmsg+0xee/0x170 [ 544.985601][ T10] __sys_sendmsg+0xcd/0x170 [ 544.985601][ T10] do_syscall_64+0xc6/0x1e0 [ 544.985601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.985601][ T10] [ 544.988236][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 544.988629][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 544.988629][ T10] netdev_get_by_index+0x5e/0x80 [ 544.988629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 544.988629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 544.988629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 544.988629][ T10] ipv6_add_addr+0x411/0x2000 [ 544.988629][ T10] inet6_addr_add+0x30e/0xa40 [ 544.988629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 544.988629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.988629][ T10] netlink_rcv_skb+0x130/0x360 [ 544.988629][ T10] netlink_unicast+0x449/0x710 [ 544.988629][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.988629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.988629][ T10] ___sys_sendmsg+0xee/0x170 [ 544.988629][ T10] __sys_sendmsg+0xcd/0x170 [ 544.988629][ T10] do_syscall_64+0xc6/0x1e0 [ 544.988629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.988629][ T10] [ 544.991605][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 544.991605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 544.991605][ T10] ipv6_find_idev+0x102/0x170 [ 544.991605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 544.991605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.991605][ T10] netlink_rcv_skb+0x130/0x360 [ 544.991605][ T10] netlink_unicast+0x449/0x710 [ 544.991605][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.991605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.991605][ T10] ___sys_sendmsg+0xee/0x170 [ 544.991605][ T10] __sys_sendmsg+0xcd/0x170 [ 544.991605][ T10] do_syscall_64+0xc6/0x1e0 [ 544.991605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.991605][ T10] [ 544.993910][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 544.993910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 544.993910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 544.993910][ T10] ipv6_find_idev+0x102/0x170 [ 544.993910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 544.993910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.993910][ T10] netlink_rcv_skb+0x130/0x360 [ 544.993910][ T10] netlink_unicast+0x449/0x710 [ 544.993910][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.993910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.993910][ T10] ___sys_sendmsg+0xee/0x170 [ 544.993910][ T10] __sys_sendmsg+0xcd/0x170 [ 544.993910][ T10] do_syscall_64+0xc6/0x1e0 [ 544.993910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.993910][ T10] [ 544.996467][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 544.996896][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 544.996896][ T10] netdev_get_by_index+0x5e/0x80 [ 544.996896][ T10] fib6_nh_init+0x3d8/0x15b0 [ 544.996896][ T10] ip6_route_info_create+0xf18/0x17d0 [ 544.996896][ T10] addrconf_f6i_alloc+0x244/0x410 [ 544.996896][ T10] ipv6_add_addr+0x411/0x2000 [ 544.996896][ T10] inet6_addr_add+0x30e/0xa40 [ 544.996896][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 544.996896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.996896][ T10] netlink_rcv_skb+0x130/0x360 [ 544.996896][ T10] netlink_unicast+0x449/0x710 [ 544.996896][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.996896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.996896][ T10] ___sys_sendmsg+0xee/0x170 [ 544.996896][ T10] __sys_sendmsg+0xcd/0x170 [ 544.996896][ T10] do_syscall_64+0xc6/0x1e0 [ 544.996896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.996896][ T10] [ 544.999965][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 544.999965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 544.999965][ T10] ipv6_find_idev+0x102/0x170 [ 544.999965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 544.999965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 544.999965][ T10] netlink_rcv_skb+0x130/0x360 [ 544.999965][ T10] netlink_unicast+0x449/0x710 [ 544.999965][ T10] netlink_sendmsg+0x723/0xbe0 [ 544.999965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 544.999965][ T10] ___sys_sendmsg+0xee/0x170 [ 544.999965][ T10] __sys_sendmsg+0xcd/0x170 [ 544.999965][ T10] do_syscall_64+0xc6/0x1e0 [ 544.999965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 544.999965][ T10] [ 545.002367][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 545.002367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 545.002367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 545.002367][ T10] ipv6_find_idev+0x102/0x170 [ 545.002367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.002367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.002367][ T10] netlink_rcv_skb+0x130/0x360 [ 545.002367][ T10] netlink_unicast+0x449/0x710 [ 545.002367][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.002367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.002367][ T10] ___sys_sendmsg+0xee/0x170 [ 545.002367][ T10] __sys_sendmsg+0xcd/0x170 [ 545.002367][ T10] do_syscall_64+0xc6/0x1e0 [ 545.002367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.002367][ T10] [ 545.005764][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 545.006821][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 545.006821][ T10] netdev_get_by_index+0x5e/0x80 [ 545.006821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 545.006821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 545.006821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 545.006821][ T10] ipv6_add_addr+0x411/0x2000 [ 545.006821][ T10] inet6_addr_add+0x30e/0xa40 [ 545.006821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 545.006821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.006821][ T10] netlink_rcv_skb+0x130/0x360 [ 545.006821][ T10] netlink_unicast+0x449/0x710 [ 545.006821][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.006821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.006821][ T10] ___sys_sendmsg+0xee/0x170 [ 545.006821][ T10] __sys_sendmsg+0xcd/0x170 [ 545.006821][ T10] do_syscall_64+0xc6/0x1e0 [ 545.006821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.006821][ T10] [ 545.009909][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 545.009909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 545.009909][ T10] ipv6_find_idev+0x102/0x170 [ 545.009909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.009909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.009909][ T10] netlink_rcv_skb+0x130/0x360 [ 545.009909][ T10] netlink_unicast+0x449/0x710 [ 545.009909][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.009909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.009909][ T10] ___sys_sendmsg+0xee/0x170 [ 545.009909][ T10] __sys_sendmsg+0xcd/0x170 [ 545.009909][ T10] do_syscall_64+0xc6/0x1e0 [ 545.009909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.009909][ T10] [ 545.012282][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 545.012282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 545.012282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 545.012282][ T10] ipv6_find_idev+0x102/0x170 [ 545.012282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.012282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.012282][ T10] netlink_rcv_skb+0x130/0x360 [ 545.012282][ T10] netlink_unicast+0x449/0x710 [ 545.012282][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.012282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.012282][ T10] ___sys_sendmsg+0xee/0x170 [ 545.012282][ T10] __sys_sendmsg+0xcd/0x170 [ 545.012282][ T10] do_syscall_64+0xc6/0x1e0 [ 545.012282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.012282][ T10] [ 545.014906][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 545.015314][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 545.015314][ T10] netdev_get_by_index+0x5e/0x80 [ 545.015314][ T10] fib6_nh_init+0x3d8/0x15b0 [ 545.015314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 545.015314][ T10] addrconf_f6i_alloc+0x244/0x410 [ 545.015314][ T10] ipv6_add_addr+0x411/0x2000 [ 545.015314][ T10] inet6_addr_add+0x30e/0xa40 [ 545.015314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 545.015314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.015314][ T10] netlink_rcv_skb+0x130/0x360 [ 545.015314][ T10] netlink_unicast+0x449/0x710 [ 545.015314][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.015314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.015314][ T10] ___sys_sendmsg+0xee/0x170 [ 545.015314][ T10] __sys_sendmsg+0xcd/0x170 [ 545.015314][ T10] do_syscall_64+0xc6/0x1e0 [ 545.015314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.015314][ T10] [ 545.018263][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 545.018263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 545.018263][ T10] ipv6_find_idev+0x102/0x170 [ 545.018263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.018263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.018263][ T10] netlink_rcv_skb+0x130/0x360 [ 545.018263][ T10] netlink_unicast+0x449/0x710 [ 545.018263][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.018263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.018263][ T10] ___sys_sendmsg+0xee/0x170 [ 545.018263][ T10] __sys_sendmsg+0xcd/0x170 [ 545.018263][ T10] do_syscall_64+0xc6/0x1e0 [ 545.018263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.018263][ T10] [ 545.020718][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 545.020718][ T10] neigh_parms_alloc+0x1e5/0x510 [ 545.020718][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 545.020718][ T10] ipv6_find_idev+0x102/0x170 [ 545.020718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.020718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.020718][ T10] netlink_rcv_skb+0x130/0x360 [ 545.020718][ T10] netlink_unicast+0x449/0x710 [ 545.020718][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.020718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.020718][ T10] ___sys_sendmsg+0xee/0x170 [ 545.020718][ T10] __sys_sendmsg+0xcd/0x170 [ 545.020718][ T10] do_syscall_64+0xc6/0x1e0 [ 545.020718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.020718][ T10] [ 545.023776][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 545.024292][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 545.024292][ T10] netdev_get_by_index+0x5e/0x80 [ 545.024292][ T10] fib6_nh_init+0x3d8/0x15b0 [ 545.024292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 545.024292][ T10] addrconf_f6i_alloc+0x244/0x410 [ 545.024292][ T10] ipv6_add_addr+0x411/0x2000 [ 545.024292][ T10] inet6_addr_add+0x30e/0xa40 [ 545.024292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 545.024292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.024292][ T10] netlink_rcv_skb+0x130/0x360 [ 545.024292][ T10] netlink_unicast+0x449/0x710 [ 545.024292][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.024292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.024292][ T10] ___sys_sendmsg+0xee/0x170 [ 545.024292][ T10] __sys_sendmsg+0xcd/0x170 [ 545.024292][ T10] do_syscall_64+0xc6/0x1e0 [ 545.024292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.024292][ T10] [ 545.027716][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 545.027716][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 545.027716][ T10] ipv6_find_idev+0x102/0x170 [ 545.027716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.027716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.027716][ T10] netlink_rcv_skb+0x130/0x360 [ 545.027716][ T10] netlink_unicast+0x449/0x710 [ 545.027716][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.027716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.027716][ T10] ___sys_sendmsg+0xee/0x170 [ 545.027716][ T10] __sys_sendmsg+0xcd/0x170 [ 545.027716][ T10] do_syscall_64+0xc6/0x1e0 [ 545.027716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.027716][ T10] [ 545.030426][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 545.030426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 545.030426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 545.030426][ T10] ipv6_find_idev+0x102/0x170 [ 545.030426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.030426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.030426][ T10] netlink_rcv_skb+0x130/0x360 [ 545.030426][ T10] netlink_unicast+0x449/0x710 [ 545.030426][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.030426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.030426][ T10] ___sys_sendmsg+0xee/0x170 [ 545.030426][ T10] __sys_sendmsg+0xcd/0x170 [ 545.030426][ T10] do_syscall_64+0xc6/0x1e0 [ 545.030426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.030426][ T10] [ 545.033485][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 545.033906][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 545.033906][ T10] netdev_get_by_index+0x5e/0x80 [ 545.033906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 545.033906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 545.033906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 545.033906][ T10] ipv6_add_addr+0x411/0x2000 [ 545.033906][ T10] inet6_addr_add+0x30e/0xa40 [ 545.033906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 545.033906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.033906][ T10] netlink_rcv_skb+0x130/0x360 [ 545.033906][ T10] netlink_unicast+0x449/0x710 [ 545.033906][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.033906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.033906][ T10] ___sys_sendmsg+0xee/0x170 [ 545.033906][ T10] __sys_sendmsg+0xcd/0x170 [ 545.033906][ T10] do_syscall_64+0xc6/0x1e0 [ 545.033906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.033906][ T10] [ 545.037423][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 545.037423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 545.037423][ T10] ipv6_find_idev+0x102/0x170 [ 545.037423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.037423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.037423][ T10] netlink_rcv_skb+0x130/0x360 [ 545.037423][ T10] netlink_unicast+0x449/0x710 [ 545.037423][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.037423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.037423][ T10] ___sys_sendmsg+0xee/0x170 [ 545.037423][ T10] __sys_sendmsg+0xcd/0x170 [ 545.037423][ T10] do_syscall_64+0xc6/0x1e0 [ 545.037423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.037423][ T10] [ 545.040242][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 545.040242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 545.040242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 545.040242][ T10] ipv6_find_idev+0x102/0x170 [ 545.040242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 545.040242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 545.040242][ T10] netlink_rcv_skb+0x130/0x360 [ 545.040242][ T10] netlink_unicast+0x449/0x710 [ 545.040242][ T10] netlink_sendmsg+0x723/0xbe0 [ 545.040242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 545.040242][ T10] ___sys_sendmsg+0xee/0x170 [ 545.040242][ T10] __sys_sendmsg+0xcd/0x170 [ 545.040242][ T10] do_syscall_64+0xc6/0x1e0 [ 545.040242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 545.040242][ T10] [ 555.163013][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 555.163634][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 555.163634][ T10] netdev_get_by_index+0x5e/0x80 [ 555.163634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.163634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.163634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.163634][ T10] ipv6_add_addr+0x411/0x2000 [ 555.163634][ T10] inet6_addr_add+0x30e/0xa40 [ 555.163634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.163634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.163634][ T10] netlink_rcv_skb+0x130/0x360 [ 555.163634][ T10] netlink_unicast+0x449/0x710 [ 555.163634][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.163634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.163634][ T10] ___sys_sendmsg+0xee/0x170 [ 555.163634][ T10] __sys_sendmsg+0xcd/0x170 [ 555.163634][ T10] do_syscall_64+0xc6/0x1e0 [ 555.163634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.163634][ T10] [ 555.183376][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 555.183376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.183376][ T10] ipv6_find_idev+0x102/0x170 [ 555.183376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.183376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.183376][ T10] netlink_rcv_skb+0x130/0x360 [ 555.183376][ T10] netlink_unicast+0x449/0x710 [ 555.183376][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.183376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.183376][ T10] ___sys_sendmsg+0xee/0x170 [ 555.183376][ T10] __sys_sendmsg+0xcd/0x170 [ 555.183376][ T10] do_syscall_64+0xc6/0x1e0 [ 555.183376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.183376][ T10] [ 555.197150][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 555.197150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.197150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.197150][ T10] ipv6_find_idev+0x102/0x170 [ 555.197150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.197150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.197150][ T10] netlink_rcv_skb+0x130/0x360 [ 555.197150][ T10] netlink_unicast+0x449/0x710 [ 555.197150][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.197150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.197150][ T10] ___sys_sendmsg+0xee/0x170 [ 555.197150][ T10] __sys_sendmsg+0xcd/0x170 [ 555.197150][ T10] do_syscall_64+0xc6/0x1e0 [ 555.197150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.197150][ T10] [ 555.206442][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 555.207958][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 555.207958][ T10] netdev_get_by_index+0x5e/0x80 [ 555.207958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.207958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.207958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.207958][ T10] ipv6_add_addr+0x411/0x2000 [ 555.207958][ T10] inet6_addr_add+0x30e/0xa40 [ 555.207958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.207958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.207958][ T10] netlink_rcv_skb+0x130/0x360 [ 555.207958][ T10] netlink_unicast+0x449/0x710 [ 555.207958][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.207958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.207958][ T10] ___sys_sendmsg+0xee/0x170 [ 555.207958][ T10] __sys_sendmsg+0xcd/0x170 [ 555.207958][ T10] do_syscall_64+0xc6/0x1e0 [ 555.207958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.207958][ T10] [ 555.223059][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 555.223059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.223059][ T10] ipv6_find_idev+0x102/0x170 [ 555.223059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.223059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.223059][ T10] netlink_rcv_skb+0x130/0x360 [ 555.223059][ T10] netlink_unicast+0x449/0x710 [ 555.223059][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.223059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.223059][ T10] ___sys_sendmsg+0xee/0x170 [ 555.223059][ T10] __sys_sendmsg+0xcd/0x170 [ 555.223059][ T10] do_syscall_64+0xc6/0x1e0 [ 555.223059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.223059][ T10] [ 555.230462][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 555.230462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.230462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.230462][ T10] ipv6_find_idev+0x102/0x170 [ 555.230462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.230462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.230462][ T10] netlink_rcv_skb+0x130/0x360 [ 555.230462][ T10] netlink_unicast+0x449/0x710 [ 555.230462][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.230462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.230462][ T10] ___sys_sendmsg+0xee/0x170 [ 555.230462][ T10] __sys_sendmsg+0xcd/0x170 [ 555.230462][ T10] do_syscall_64+0xc6/0x1e0 [ 555.230462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.230462][ T10] [ 555.234255][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 555.234843][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 555.234843][ T10] netdev_get_by_index+0x5e/0x80 [ 555.234843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.234843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.234843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.234843][ T10] ipv6_add_addr+0x411/0x2000 [ 555.234843][ T10] inet6_addr_add+0x30e/0xa40 [ 555.234843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.234843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.234843][ T10] netlink_rcv_skb+0x130/0x360 [ 555.234843][ T10] netlink_unicast+0x449/0x710 [ 555.234843][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.234843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.234843][ T10] ___sys_sendmsg+0xee/0x170 [ 555.234843][ T10] __sys_sendmsg+0xcd/0x170 [ 555.234843][ T10] do_syscall_64+0xc6/0x1e0 [ 555.234843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.234843][ T10] [ 555.239131][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 555.239131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.239131][ T10] ipv6_find_idev+0x102/0x170 [ 555.239131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.239131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.239131][ T10] netlink_rcv_skb+0x130/0x360 [ 555.239131][ T10] netlink_unicast+0x449/0x710 [ 555.239131][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.239131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.239131][ T10] ___sys_sendmsg+0xee/0x170 [ 555.239131][ T10] __sys_sendmsg+0xcd/0x170 [ 555.239131][ T10] do_syscall_64+0xc6/0x1e0 [ 555.239131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.239131][ T10] [ 555.242227][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 555.242227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.242227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.242227][ T10] ipv6_find_idev+0x102/0x170 [ 555.242227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.242227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.242227][ T10] netlink_rcv_skb+0x130/0x360 [ 555.242227][ T10] netlink_unicast+0x449/0x710 [ 555.242227][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.242227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.242227][ T10] ___sys_sendmsg+0xee/0x170 [ 555.242227][ T10] __sys_sendmsg+0xcd/0x170 [ 555.242227][ T10] do_syscall_64+0xc6/0x1e0 [ 555.242227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.242227][ T10] [ 555.245633][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 555.246306][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 555.246306][ T10] netdev_get_by_index+0x5e/0x80 [ 555.246306][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.246306][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.246306][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.246306][ T10] ipv6_add_addr+0x411/0x2000 [ 555.246306][ T10] inet6_addr_add+0x30e/0xa40 [ 555.246306][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.246306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.246306][ T10] netlink_rcv_skb+0x130/0x360 [ 555.246306][ T10] netlink_unicast+0x449/0x710 [ 555.246306][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.246306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.246306][ T10] ___sys_sendmsg+0xee/0x170 [ 555.246306][ T10] __sys_sendmsg+0xcd/0x170 [ 555.246306][ T10] do_syscall_64+0xc6/0x1e0 [ 555.246306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.246306][ T10] [ 555.250215][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 555.250215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.250215][ T10] ipv6_find_idev+0x102/0x170 [ 555.250215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.250215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.250215][ T10] netlink_rcv_skb+0x130/0x360 [ 555.250215][ T10] netlink_unicast+0x449/0x710 [ 555.250215][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.250215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.250215][ T10] ___sys_sendmsg+0xee/0x170 [ 555.250215][ T10] __sys_sendmsg+0xcd/0x170 [ 555.250215][ T10] do_syscall_64+0xc6/0x1e0 [ 555.250215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.250215][ T10] [ 555.253041][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 555.253041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.253041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.253041][ T10] ipv6_find_idev+0x102/0x170 [ 555.253041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.253041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.253041][ T10] netlink_rcv_skb+0x130/0x360 [ 555.253041][ T10] netlink_unicast+0x449/0x710 [ 555.253041][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.253041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.253041][ T10] ___sys_sendmsg+0xee/0x170 [ 555.253041][ T10] __sys_sendmsg+0xcd/0x170 [ 555.253041][ T10] do_syscall_64+0xc6/0x1e0 [ 555.253041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.253041][ T10] [ 555.264050][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 555.266542][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 555.266542][ T10] netdev_get_by_index+0x5e/0x80 [ 555.266542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.266542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.266542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.266542][ T10] ipv6_add_addr+0x411/0x2000 [ 555.266542][ T10] inet6_addr_add+0x30e/0xa40 [ 555.266542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.266542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.266542][ T10] netlink_rcv_skb+0x130/0x360 [ 555.266542][ T10] netlink_unicast+0x449/0x710 [ 555.266542][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.266542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.266542][ T10] ___sys_sendmsg+0xee/0x170 [ 555.266542][ T10] __sys_sendmsg+0xcd/0x170 [ 555.266542][ T10] do_syscall_64+0xc6/0x1e0 [ 555.266542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.266542][ T10] [ 555.275821][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 555.275821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.275821][ T10] ipv6_find_idev+0x102/0x170 [ 555.275821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.275821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.275821][ T10] netlink_rcv_skb+0x130/0x360 [ 555.275821][ T10] netlink_unicast+0x449/0x710 [ 555.275821][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.275821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.275821][ T10] ___sys_sendmsg+0xee/0x170 [ 555.275821][ T10] __sys_sendmsg+0xcd/0x170 [ 555.275821][ T10] do_syscall_64+0xc6/0x1e0 [ 555.275821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.275821][ T10] [ 555.284447][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 555.284447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.284447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.284447][ T10] ipv6_find_idev+0x102/0x170 [ 555.284447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.284447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.284447][ T10] netlink_rcv_skb+0x130/0x360 [ 555.284447][ T10] netlink_unicast+0x449/0x710 [ 555.284447][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.284447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.284447][ T10] ___sys_sendmsg+0xee/0x170 [ 555.284447][ T10] __sys_sendmsg+0xcd/0x170 [ 555.284447][ T10] do_syscall_64+0xc6/0x1e0 [ 555.284447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.284447][ T10] [ 555.297596][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 555.298516][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 555.298516][ T10] netdev_get_by_index+0x5e/0x80 [ 555.298516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.298516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.298516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.298516][ T10] ipv6_add_addr+0x411/0x2000 [ 555.298516][ T10] inet6_addr_add+0x30e/0xa40 [ 555.298516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.298516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.298516][ T10] netlink_rcv_skb+0x130/0x360 [ 555.298516][ T10] netlink_unicast+0x449/0x710 [ 555.298516][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.298516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.298516][ T10] ___sys_sendmsg+0xee/0x170 [ 555.298516][ T10] __sys_sendmsg+0xcd/0x170 [ 555.298516][ T10] do_syscall_64+0xc6/0x1e0 [ 555.298516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.298516][ T10] [ 555.303541][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 555.303541][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.303541][ T10] ipv6_find_idev+0x102/0x170 [ 555.303541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.303541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.303541][ T10] netlink_rcv_skb+0x130/0x360 [ 555.303541][ T10] netlink_unicast+0x449/0x710 [ 555.303541][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.303541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.303541][ T10] ___sys_sendmsg+0xee/0x170 [ 555.303541][ T10] __sys_sendmsg+0xcd/0x170 [ 555.303541][ T10] do_syscall_64+0xc6/0x1e0 [ 555.303541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.303541][ T10] [ 555.307344][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 555.307344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.307344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.307344][ T10] ipv6_find_idev+0x102/0x170 [ 555.307344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.307344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.307344][ T10] netlink_rcv_skb+0x130/0x360 [ 555.307344][ T10] netlink_unicast+0x449/0x710 [ 555.307344][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.307344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.307344][ T10] ___sys_sendmsg+0xee/0x170 [ 555.307344][ T10] __sys_sendmsg+0xcd/0x170 [ 555.307344][ T10] do_syscall_64+0xc6/0x1e0 [ 555.307344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.307344][ T10] [ 555.311507][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 555.312226][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 555.312226][ T10] netdev_get_by_index+0x5e/0x80 [ 555.312226][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.312226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.312226][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.312226][ T10] ipv6_add_addr+0x411/0x2000 [ 555.312226][ T10] inet6_addr_add+0x30e/0xa40 [ 555.312226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.312226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.312226][ T10] netlink_rcv_skb+0x130/0x360 [ 555.312226][ T10] netlink_unicast+0x449/0x710 [ 555.312226][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.312226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.312226][ T10] ___sys_sendmsg+0xee/0x170 [ 555.312226][ T10] __sys_sendmsg+0xcd/0x170 [ 555.312226][ T10] do_syscall_64+0xc6/0x1e0 [ 555.312226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.312226][ T10] [ 555.320484][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 555.320484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.320484][ T10] ipv6_find_idev+0x102/0x170 [ 555.320484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.320484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.320484][ T10] netlink_rcv_skb+0x130/0x360 [ 555.320484][ T10] netlink_unicast+0x449/0x710 [ 555.320484][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.320484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.320484][ T10] ___sys_sendmsg+0xee/0x170 [ 555.320484][ T10] __sys_sendmsg+0xcd/0x170 [ 555.320484][ T10] do_syscall_64+0xc6/0x1e0 [ 555.320484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.320484][ T10] [ 555.336095][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 555.336095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.336095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.336095][ T10] ipv6_find_idev+0x102/0x170 [ 555.336095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.336095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.336095][ T10] netlink_rcv_skb+0x130/0x360 [ 555.336095][ T10] netlink_unicast+0x449/0x710 [ 555.336095][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.336095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.336095][ T10] ___sys_sendmsg+0xee/0x170 [ 555.336095][ T10] __sys_sendmsg+0xcd/0x170 [ 555.336095][ T10] do_syscall_64+0xc6/0x1e0 [ 555.336095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.336095][ T10] [ 555.348353][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 555.352128][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 555.352128][ T10] netdev_get_by_index+0x5e/0x80 [ 555.352128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 555.352128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 555.352128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 555.352128][ T10] ipv6_add_addr+0x411/0x2000 [ 555.352128][ T10] inet6_addr_add+0x30e/0xa40 [ 555.352128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 555.352128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.352128][ T10] netlink_rcv_skb+0x130/0x360 [ 555.352128][ T10] netlink_unicast+0x449/0x710 [ 555.352128][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.352128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.352128][ T10] ___sys_sendmsg+0xee/0x170 [ 555.352128][ T10] __sys_sendmsg+0xcd/0x170 [ 555.352128][ T10] do_syscall_64+0xc6/0x1e0 [ 555.352128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.352128][ T10] [ 555.363650][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 555.363650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 555.363650][ T10] ipv6_find_idev+0x102/0x170 [ 555.363650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.363650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.363650][ T10] netlink_rcv_skb+0x130/0x360 [ 555.363650][ T10] netlink_unicast+0x449/0x710 [ 555.363650][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.363650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.363650][ T10] ___sys_sendmsg+0xee/0x170 [ 555.363650][ T10] __sys_sendmsg+0xcd/0x170 [ 555.363650][ T10] do_syscall_64+0xc6/0x1e0 [ 555.363650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.363650][ T10] [ 555.367487][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 555.367487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 555.367487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 555.367487][ T10] ipv6_find_idev+0x102/0x170 [ 555.367487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 555.367487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 555.367487][ T10] netlink_rcv_skb+0x130/0x360 [ 555.367487][ T10] netlink_unicast+0x449/0x710 [ 555.367487][ T10] netlink_sendmsg+0x723/0xbe0 [ 555.367487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 555.367487][ T10] ___sys_sendmsg+0xee/0x170 [ 555.367487][ T10] __sys_sendmsg+0xcd/0x170 [ 555.367487][ T10] do_syscall_64+0xc6/0x1e0 [ 555.367487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 555.367487][ T10] [ 565.426927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 565.427348][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 565.427348][ T10] netdev_get_by_index+0x5e/0x80 [ 565.427348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.427348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.427348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.427348][ T10] ipv6_add_addr+0x411/0x2000 [ 565.427348][ T10] inet6_addr_add+0x30e/0xa40 [ 565.427348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.427348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.427348][ T10] netlink_rcv_skb+0x130/0x360 [ 565.427348][ T10] netlink_unicast+0x449/0x710 [ 565.427348][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.427348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.427348][ T10] ___sys_sendmsg+0xee/0x170 [ 565.427348][ T10] __sys_sendmsg+0xcd/0x170 [ 565.427348][ T10] do_syscall_64+0xc6/0x1e0 [ 565.427348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.427348][ T10] [ 565.429710][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 565.429710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.429710][ T10] ipv6_find_idev+0x102/0x170 [ 565.429710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.429710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.429710][ T10] netlink_rcv_skb+0x130/0x360 [ 565.429710][ T10] netlink_unicast+0x449/0x710 [ 565.429710][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.429710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.429710][ T10] ___sys_sendmsg+0xee/0x170 [ 565.429710][ T10] __sys_sendmsg+0xcd/0x170 [ 565.429710][ T10] do_syscall_64+0xc6/0x1e0 [ 565.429710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.429710][ T10] [ 565.431428][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 565.431428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.431428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.431428][ T10] ipv6_find_idev+0x102/0x170 [ 565.431428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.431428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.431428][ T10] netlink_rcv_skb+0x130/0x360 [ 565.431428][ T10] netlink_unicast+0x449/0x710 [ 565.431428][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.431428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.431428][ T10] ___sys_sendmsg+0xee/0x170 [ 565.431428][ T10] __sys_sendmsg+0xcd/0x170 [ 565.431428][ T10] do_syscall_64+0xc6/0x1e0 [ 565.431428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.431428][ T10] [ 565.433213][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 565.433492][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 565.433492][ T10] netdev_get_by_index+0x5e/0x80 [ 565.433492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.433492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.433492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.433492][ T10] ipv6_add_addr+0x411/0x2000 [ 565.433492][ T10] inet6_addr_add+0x30e/0xa40 [ 565.433492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.433492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.433492][ T10] netlink_rcv_skb+0x130/0x360 [ 565.433492][ T10] netlink_unicast+0x449/0x710 [ 565.433492][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.433492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.433492][ T10] ___sys_sendmsg+0xee/0x170 [ 565.433492][ T10] __sys_sendmsg+0xcd/0x170 [ 565.433492][ T10] do_syscall_64+0xc6/0x1e0 [ 565.433492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.433492][ T10] [ 565.435534][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 565.435534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.435534][ T10] ipv6_find_idev+0x102/0x170 [ 565.435534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.435534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.435534][ T10] netlink_rcv_skb+0x130/0x360 [ 565.435534][ T10] netlink_unicast+0x449/0x710 [ 565.435534][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.435534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.435534][ T10] ___sys_sendmsg+0xee/0x170 [ 565.435534][ T10] __sys_sendmsg+0xcd/0x170 [ 565.435534][ T10] do_syscall_64+0xc6/0x1e0 [ 565.435534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.435534][ T10] [ 565.437172][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 565.437172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.437172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.437172][ T10] ipv6_find_idev+0x102/0x170 [ 565.437172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.437172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.437172][ T10] netlink_rcv_skb+0x130/0x360 [ 565.437172][ T10] netlink_unicast+0x449/0x710 [ 565.437172][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.437172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.437172][ T10] ___sys_sendmsg+0xee/0x170 [ 565.437172][ T10] __sys_sendmsg+0xcd/0x170 [ 565.437172][ T10] do_syscall_64+0xc6/0x1e0 [ 565.437172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.437172][ T10] [ 565.438906][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 565.439190][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 565.439190][ T10] netdev_get_by_index+0x5e/0x80 [ 565.439190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.439190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.439190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.439190][ T10] ipv6_add_addr+0x411/0x2000 [ 565.439190][ T10] inet6_addr_add+0x30e/0xa40 [ 565.439190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.439190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.439190][ T10] netlink_rcv_skb+0x130/0x360 [ 565.439190][ T10] netlink_unicast+0x449/0x710 [ 565.439190][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.439190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.439190][ T10] ___sys_sendmsg+0xee/0x170 [ 565.439190][ T10] __sys_sendmsg+0xcd/0x170 [ 565.439190][ T10] do_syscall_64+0xc6/0x1e0 [ 565.439190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.439190][ T10] [ 565.441236][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 565.441236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.441236][ T10] ipv6_find_idev+0x102/0x170 [ 565.441236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.441236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.441236][ T10] netlink_rcv_skb+0x130/0x360 [ 565.441236][ T10] netlink_unicast+0x449/0x710 [ 565.441236][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.441236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.441236][ T10] ___sys_sendmsg+0xee/0x170 [ 565.441236][ T10] __sys_sendmsg+0xcd/0x170 [ 565.441236][ T10] do_syscall_64+0xc6/0x1e0 [ 565.441236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.441236][ T10] [ 565.442777][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 565.442777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.442777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.442777][ T10] ipv6_find_idev+0x102/0x170 [ 565.442777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.442777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.442777][ T10] netlink_rcv_skb+0x130/0x360 [ 565.442777][ T10] netlink_unicast+0x449/0x710 [ 565.442777][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.442777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.442777][ T10] ___sys_sendmsg+0xee/0x170 [ 565.442777][ T10] __sys_sendmsg+0xcd/0x170 [ 565.442777][ T10] do_syscall_64+0xc6/0x1e0 [ 565.442777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.442777][ T10] [ 565.444491][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 565.444790][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 565.444790][ T10] netdev_get_by_index+0x5e/0x80 [ 565.444790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.444790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.444790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.444790][ T10] ipv6_add_addr+0x411/0x2000 [ 565.444790][ T10] inet6_addr_add+0x30e/0xa40 [ 565.444790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.444790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.444790][ T10] netlink_rcv_skb+0x130/0x360 [ 565.444790][ T10] netlink_unicast+0x449/0x710 [ 565.444790][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.444790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.444790][ T10] ___sys_sendmsg+0xee/0x170 [ 565.444790][ T10] __sys_sendmsg+0xcd/0x170 [ 565.444790][ T10] do_syscall_64+0xc6/0x1e0 [ 565.444790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.444790][ T10] [ 565.446884][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 565.446884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.446884][ T10] ipv6_find_idev+0x102/0x170 [ 565.446884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.446884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.446884][ T10] netlink_rcv_skb+0x130/0x360 [ 565.446884][ T10] netlink_unicast+0x449/0x710 [ 565.446884][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.446884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.446884][ T10] ___sys_sendmsg+0xee/0x170 [ 565.446884][ T10] __sys_sendmsg+0xcd/0x170 [ 565.446884][ T10] do_syscall_64+0xc6/0x1e0 [ 565.446884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.446884][ T10] [ 565.448451][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 565.448451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.448451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.448451][ T10] ipv6_find_idev+0x102/0x170 [ 565.448451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.448451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.448451][ T10] netlink_rcv_skb+0x130/0x360 [ 565.448451][ T10] netlink_unicast+0x449/0x710 [ 565.448451][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.448451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.448451][ T10] ___sys_sendmsg+0xee/0x170 [ 565.448451][ T10] __sys_sendmsg+0xcd/0x170 [ 565.448451][ T10] do_syscall_64+0xc6/0x1e0 [ 565.448451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.448451][ T10] [ 565.450562][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 565.450873][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 565.450873][ T10] netdev_get_by_index+0x5e/0x80 [ 565.450873][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.450873][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.450873][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.450873][ T10] ipv6_add_addr+0x411/0x2000 [ 565.450873][ T10] inet6_addr_add+0x30e/0xa40 [ 565.450873][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.450873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.450873][ T10] netlink_rcv_skb+0x130/0x360 [ 565.450873][ T10] netlink_unicast+0x449/0x710 [ 565.450873][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.450873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.450873][ T10] ___sys_sendmsg+0xee/0x170 [ 565.450873][ T10] __sys_sendmsg+0xcd/0x170 [ 565.450873][ T10] do_syscall_64+0xc6/0x1e0 [ 565.450873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.450873][ T10] [ 565.452855][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 565.452855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.452855][ T10] ipv6_find_idev+0x102/0x170 [ 565.452855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.452855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.452855][ T10] netlink_rcv_skb+0x130/0x360 [ 565.452855][ T10] netlink_unicast+0x449/0x710 [ 565.452855][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.452855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.452855][ T10] ___sys_sendmsg+0xee/0x170 [ 565.452855][ T10] __sys_sendmsg+0xcd/0x170 [ 565.452855][ T10] do_syscall_64+0xc6/0x1e0 [ 565.452855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.452855][ T10] [ 565.454373][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 565.454373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.454373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.454373][ T10] ipv6_find_idev+0x102/0x170 [ 565.454373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.454373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.454373][ T10] netlink_rcv_skb+0x130/0x360 [ 565.454373][ T10] netlink_unicast+0x449/0x710 [ 565.454373][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.454373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.454373][ T10] ___sys_sendmsg+0xee/0x170 [ 565.454373][ T10] __sys_sendmsg+0xcd/0x170 [ 565.454373][ T10] do_syscall_64+0xc6/0x1e0 [ 565.454373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.454373][ T10] [ 565.456202][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 565.456498][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 565.456498][ T10] netdev_get_by_index+0x5e/0x80 [ 565.456498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.456498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.456498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.456498][ T10] ipv6_add_addr+0x411/0x2000 [ 565.456498][ T10] inet6_addr_add+0x30e/0xa40 [ 565.456498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.456498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.456498][ T10] netlink_rcv_skb+0x130/0x360 [ 565.456498][ T10] netlink_unicast+0x449/0x710 [ 565.456498][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.456498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.456498][ T10] ___sys_sendmsg+0xee/0x170 [ 565.456498][ T10] __sys_sendmsg+0xcd/0x170 [ 565.456498][ T10] do_syscall_64+0xc6/0x1e0 [ 565.456498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.456498][ T10] [ 565.458695][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 565.458695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.458695][ T10] ipv6_find_idev+0x102/0x170 [ 565.458695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.458695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.458695][ T10] netlink_rcv_skb+0x130/0x360 [ 565.458695][ T10] netlink_unicast+0x449/0x710 [ 565.458695][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.458695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.458695][ T10] ___sys_sendmsg+0xee/0x170 [ 565.458695][ T10] __sys_sendmsg+0xcd/0x170 [ 565.458695][ T10] do_syscall_64+0xc6/0x1e0 [ 565.458695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.458695][ T10] [ 565.460631][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 565.460631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.460631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.460631][ T10] ipv6_find_idev+0x102/0x170 [ 565.460631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.460631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.460631][ T10] netlink_rcv_skb+0x130/0x360 [ 565.460631][ T10] netlink_unicast+0x449/0x710 [ 565.460631][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.460631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.460631][ T10] ___sys_sendmsg+0xee/0x170 [ 565.460631][ T10] __sys_sendmsg+0xcd/0x170 [ 565.460631][ T10] do_syscall_64+0xc6/0x1e0 [ 565.460631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.460631][ T10] [ 565.462564][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 565.462828][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 565.462828][ T10] netdev_get_by_index+0x5e/0x80 [ 565.462828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.462828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.462828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.462828][ T10] ipv6_add_addr+0x411/0x2000 [ 565.462828][ T10] inet6_addr_add+0x30e/0xa40 [ 565.462828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.462828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.462828][ T10] netlink_rcv_skb+0x130/0x360 [ 565.462828][ T10] netlink_unicast+0x449/0x710 [ 565.462828][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.462828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.462828][ T10] ___sys_sendmsg+0xee/0x170 [ 565.462828][ T10] __sys_sendmsg+0xcd/0x170 [ 565.462828][ T10] do_syscall_64+0xc6/0x1e0 [ 565.462828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.462828][ T10] [ 565.465236][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 565.465236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.465236][ T10] ipv6_find_idev+0x102/0x170 [ 565.465236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.465236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.465236][ T10] netlink_rcv_skb+0x130/0x360 [ 565.465236][ T10] netlink_unicast+0x449/0x710 [ 565.465236][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.465236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.465236][ T10] ___sys_sendmsg+0xee/0x170 [ 565.465236][ T10] __sys_sendmsg+0xcd/0x170 [ 565.465236][ T10] do_syscall_64+0xc6/0x1e0 [ 565.465236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.465236][ T10] [ 565.467051][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 565.467051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.467051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.467051][ T10] ipv6_find_idev+0x102/0x170 [ 565.467051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.467051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.467051][ T10] netlink_rcv_skb+0x130/0x360 [ 565.467051][ T10] netlink_unicast+0x449/0x710 [ 565.467051][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.467051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.467051][ T10] ___sys_sendmsg+0xee/0x170 [ 565.467051][ T10] __sys_sendmsg+0xcd/0x170 [ 565.467051][ T10] do_syscall_64+0xc6/0x1e0 [ 565.467051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.467051][ T10] [ 565.469008][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 565.469277][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 565.469277][ T10] netdev_get_by_index+0x5e/0x80 [ 565.469277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 565.469277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 565.469277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 565.469277][ T10] ipv6_add_addr+0x411/0x2000 [ 565.469277][ T10] inet6_addr_add+0x30e/0xa40 [ 565.469277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 565.469277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.469277][ T10] netlink_rcv_skb+0x130/0x360 [ 565.469277][ T10] netlink_unicast+0x449/0x710 [ 565.469277][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.469277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.469277][ T10] ___sys_sendmsg+0xee/0x170 [ 565.469277][ T10] __sys_sendmsg+0xcd/0x170 [ 565.469277][ T10] do_syscall_64+0xc6/0x1e0 [ 565.469277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.469277][ T10] [ 565.471679][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 565.471679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 565.471679][ T10] ipv6_find_idev+0x102/0x170 [ 565.471679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.471679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.471679][ T10] netlink_rcv_skb+0x130/0x360 [ 565.471679][ T10] netlink_unicast+0x449/0x710 [ 565.471679][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.471679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.471679][ T10] ___sys_sendmsg+0xee/0x170 [ 565.471679][ T10] __sys_sendmsg+0xcd/0x170 [ 565.471679][ T10] do_syscall_64+0xc6/0x1e0 [ 565.471679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.471679][ T10] [ 565.473494][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 565.473494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 565.473494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 565.473494][ T10] ipv6_find_idev+0x102/0x170 [ 565.473494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 565.473494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 565.473494][ T10] netlink_rcv_skb+0x130/0x360 [ 565.473494][ T10] netlink_unicast+0x449/0x710 [ 565.473494][ T10] netlink_sendmsg+0x723/0xbe0 [ 565.473494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 565.473494][ T10] ___sys_sendmsg+0xee/0x170 [ 565.473494][ T10] __sys_sendmsg+0xcd/0x170 [ 565.473494][ T10] do_syscall_64+0xc6/0x1e0 [ 565.473494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 565.473494][ T10] [ 575.530977][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 575.531459][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 575.531459][ T10] netdev_get_by_index+0x5e/0x80 [ 575.531459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.531459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.531459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.531459][ T10] ipv6_add_addr+0x411/0x2000 [ 575.531459][ T10] inet6_addr_add+0x30e/0xa40 [ 575.531459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.531459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.531459][ T10] netlink_rcv_skb+0x130/0x360 [ 575.531459][ T10] netlink_unicast+0x449/0x710 [ 575.531459][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.531459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.531459][ T10] ___sys_sendmsg+0xee/0x170 [ 575.531459][ T10] __sys_sendmsg+0xcd/0x170 [ 575.531459][ T10] do_syscall_64+0xc6/0x1e0 [ 575.531459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.531459][ T10] [ 575.533955][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 575.533955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.533955][ T10] ipv6_find_idev+0x102/0x170 [ 575.533955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.533955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.533955][ T10] netlink_rcv_skb+0x130/0x360 [ 575.533955][ T10] netlink_unicast+0x449/0x710 [ 575.533955][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.533955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.533955][ T10] ___sys_sendmsg+0xee/0x170 [ 575.533955][ T10] __sys_sendmsg+0xcd/0x170 [ 575.533955][ T10] do_syscall_64+0xc6/0x1e0 [ 575.533955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.533955][ T10] [ 575.535844][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 575.535844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.535844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.535844][ T10] ipv6_find_idev+0x102/0x170 [ 575.535844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.535844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.535844][ T10] netlink_rcv_skb+0x130/0x360 [ 575.535844][ T10] netlink_unicast+0x449/0x710 [ 575.535844][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.535844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.535844][ T10] ___sys_sendmsg+0xee/0x170 [ 575.535844][ T10] __sys_sendmsg+0xcd/0x170 [ 575.535844][ T10] do_syscall_64+0xc6/0x1e0 [ 575.535844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.535844][ T10] [ 575.537896][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 575.538211][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 575.538211][ T10] netdev_get_by_index+0x5e/0x80 [ 575.538211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.538211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.538211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.538211][ T10] ipv6_add_addr+0x411/0x2000 [ 575.538211][ T10] inet6_addr_add+0x30e/0xa40 [ 575.538211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.538211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.538211][ T10] netlink_rcv_skb+0x130/0x360 [ 575.538211][ T10] netlink_unicast+0x449/0x710 [ 575.538211][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.538211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.538211][ T10] ___sys_sendmsg+0xee/0x170 [ 575.538211][ T10] __sys_sendmsg+0xcd/0x170 [ 575.538211][ T10] do_syscall_64+0xc6/0x1e0 [ 575.538211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.538211][ T10] [ 575.540623][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 575.540623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.540623][ T10] ipv6_find_idev+0x102/0x170 [ 575.540623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.540623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.540623][ T10] netlink_rcv_skb+0x130/0x360 [ 575.540623][ T10] netlink_unicast+0x449/0x710 [ 575.540623][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.540623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.540623][ T10] ___sys_sendmsg+0xee/0x170 [ 575.540623][ T10] __sys_sendmsg+0xcd/0x170 [ 575.540623][ T10] do_syscall_64+0xc6/0x1e0 [ 575.540623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.540623][ T10] [ 575.542454][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 575.542454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.542454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.542454][ T10] ipv6_find_idev+0x102/0x170 [ 575.542454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.542454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.542454][ T10] netlink_rcv_skb+0x130/0x360 [ 575.542454][ T10] netlink_unicast+0x449/0x710 [ 575.542454][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.542454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.542454][ T10] ___sys_sendmsg+0xee/0x170 [ 575.542454][ T10] __sys_sendmsg+0xcd/0x170 [ 575.542454][ T10] do_syscall_64+0xc6/0x1e0 [ 575.542454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.542454][ T10] [ 575.544454][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 575.544765][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 575.544765][ T10] netdev_get_by_index+0x5e/0x80 [ 575.544765][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.544765][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.544765][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.544765][ T10] ipv6_add_addr+0x411/0x2000 [ 575.544765][ T10] inet6_addr_add+0x30e/0xa40 [ 575.544765][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.544765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.544765][ T10] netlink_rcv_skb+0x130/0x360 [ 575.544765][ T10] netlink_unicast+0x449/0x710 [ 575.544765][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.544765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.544765][ T10] ___sys_sendmsg+0xee/0x170 [ 575.544765][ T10] __sys_sendmsg+0xcd/0x170 [ 575.544765][ T10] do_syscall_64+0xc6/0x1e0 [ 575.544765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.544765][ T10] [ 575.547258][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 575.547258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.547258][ T10] ipv6_find_idev+0x102/0x170 [ 575.547258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.547258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.547258][ T10] netlink_rcv_skb+0x130/0x360 [ 575.547258][ T10] netlink_unicast+0x449/0x710 [ 575.547258][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.547258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.547258][ T10] ___sys_sendmsg+0xee/0x170 [ 575.547258][ T10] __sys_sendmsg+0xcd/0x170 [ 575.547258][ T10] do_syscall_64+0xc6/0x1e0 [ 575.547258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.547258][ T10] [ 575.549088][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 575.549088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.549088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.549088][ T10] ipv6_find_idev+0x102/0x170 [ 575.549088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.549088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.549088][ T10] netlink_rcv_skb+0x130/0x360 [ 575.549088][ T10] netlink_unicast+0x449/0x710 [ 575.549088][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.549088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.549088][ T10] ___sys_sendmsg+0xee/0x170 [ 575.549088][ T10] __sys_sendmsg+0xcd/0x170 [ 575.549088][ T10] do_syscall_64+0xc6/0x1e0 [ 575.549088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.549088][ T10] [ 575.550972][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 575.551266][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 575.551266][ T10] netdev_get_by_index+0x5e/0x80 [ 575.551266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.551266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.551266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.551266][ T10] ipv6_add_addr+0x411/0x2000 [ 575.551266][ T10] inet6_addr_add+0x30e/0xa40 [ 575.551266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.551266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.551266][ T10] netlink_rcv_skb+0x130/0x360 [ 575.551266][ T10] netlink_unicast+0x449/0x710 [ 575.551266][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.551266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.551266][ T10] ___sys_sendmsg+0xee/0x170 [ 575.551266][ T10] __sys_sendmsg+0xcd/0x170 [ 575.551266][ T10] do_syscall_64+0xc6/0x1e0 [ 575.551266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.551266][ T10] [ 575.553533][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 575.553533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.553533][ T10] ipv6_find_idev+0x102/0x170 [ 575.553533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.553533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.553533][ T10] netlink_rcv_skb+0x130/0x360 [ 575.553533][ T10] netlink_unicast+0x449/0x710 [ 575.553533][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.553533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.553533][ T10] ___sys_sendmsg+0xee/0x170 [ 575.553533][ T10] __sys_sendmsg+0xcd/0x170 [ 575.553533][ T10] do_syscall_64+0xc6/0x1e0 [ 575.553533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.553533][ T10] [ 575.555641][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 575.555641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.555641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.555641][ T10] ipv6_find_idev+0x102/0x170 [ 575.555641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.555641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.555641][ T10] netlink_rcv_skb+0x130/0x360 [ 575.555641][ T10] netlink_unicast+0x449/0x710 [ 575.555641][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.555641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.555641][ T10] ___sys_sendmsg+0xee/0x170 [ 575.555641][ T10] __sys_sendmsg+0xcd/0x170 [ 575.555641][ T10] do_syscall_64+0xc6/0x1e0 [ 575.555641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.555641][ T10] [ 575.557956][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 575.558256][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 575.558256][ T10] netdev_get_by_index+0x5e/0x80 [ 575.558256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.558256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.558256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.558256][ T10] ipv6_add_addr+0x411/0x2000 [ 575.558256][ T10] inet6_addr_add+0x30e/0xa40 [ 575.558256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.558256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.558256][ T10] netlink_rcv_skb+0x130/0x360 [ 575.558256][ T10] netlink_unicast+0x449/0x710 [ 575.558256][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.558256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.558256][ T10] ___sys_sendmsg+0xee/0x170 [ 575.558256][ T10] __sys_sendmsg+0xcd/0x170 [ 575.558256][ T10] do_syscall_64+0xc6/0x1e0 [ 575.558256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.558256][ T10] [ 575.560488][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 575.560488][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.560488][ T10] ipv6_find_idev+0x102/0x170 [ 575.560488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.560488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.560488][ T10] netlink_rcv_skb+0x130/0x360 [ 575.560488][ T10] netlink_unicast+0x449/0x710 [ 575.560488][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.560488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.560488][ T10] ___sys_sendmsg+0xee/0x170 [ 575.560488][ T10] __sys_sendmsg+0xcd/0x170 [ 575.560488][ T10] do_syscall_64+0xc6/0x1e0 [ 575.560488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.560488][ T10] [ 575.562218][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 575.562218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.562218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.562218][ T10] ipv6_find_idev+0x102/0x170 [ 575.562218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.562218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.562218][ T10] netlink_rcv_skb+0x130/0x360 [ 575.562218][ T10] netlink_unicast+0x449/0x710 [ 575.562218][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.562218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.562218][ T10] ___sys_sendmsg+0xee/0x170 [ 575.562218][ T10] __sys_sendmsg+0xcd/0x170 [ 575.562218][ T10] do_syscall_64+0xc6/0x1e0 [ 575.562218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.562218][ T10] [ 575.564140][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 575.564431][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 575.564431][ T10] netdev_get_by_index+0x5e/0x80 [ 575.564431][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.564431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.564431][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.564431][ T10] ipv6_add_addr+0x411/0x2000 [ 575.564431][ T10] inet6_addr_add+0x30e/0xa40 [ 575.564431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.564431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.564431][ T10] netlink_rcv_skb+0x130/0x360 [ 575.564431][ T10] netlink_unicast+0x449/0x710 [ 575.564431][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.564431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.564431][ T10] ___sys_sendmsg+0xee/0x170 [ 575.564431][ T10] __sys_sendmsg+0xcd/0x170 [ 575.564431][ T10] do_syscall_64+0xc6/0x1e0 [ 575.564431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.564431][ T10] [ 575.566767][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 575.566767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.566767][ T10] ipv6_find_idev+0x102/0x170 [ 575.566767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.566767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.566767][ T10] netlink_rcv_skb+0x130/0x360 [ 575.566767][ T10] netlink_unicast+0x449/0x710 [ 575.566767][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.566767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.566767][ T10] ___sys_sendmsg+0xee/0x170 [ 575.566767][ T10] __sys_sendmsg+0xcd/0x170 [ 575.566767][ T10] do_syscall_64+0xc6/0x1e0 [ 575.566767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.566767][ T10] [ 575.568764][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 575.568764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.568764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.568764][ T10] ipv6_find_idev+0x102/0x170 [ 575.568764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.568764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.568764][ T10] netlink_rcv_skb+0x130/0x360 [ 575.568764][ T10] netlink_unicast+0x449/0x710 [ 575.568764][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.568764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.568764][ T10] ___sys_sendmsg+0xee/0x170 [ 575.568764][ T10] __sys_sendmsg+0xcd/0x170 [ 575.568764][ T10] do_syscall_64+0xc6/0x1e0 [ 575.568764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.568764][ T10] [ 575.570924][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 575.571214][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 575.571214][ T10] netdev_get_by_index+0x5e/0x80 [ 575.571214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.571214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.571214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.571214][ T10] ipv6_add_addr+0x411/0x2000 [ 575.571214][ T10] inet6_addr_add+0x30e/0xa40 [ 575.571214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.571214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.571214][ T10] netlink_rcv_skb+0x130/0x360 [ 575.571214][ T10] netlink_unicast+0x449/0x710 [ 575.571214][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.571214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.571214][ T10] ___sys_sendmsg+0xee/0x170 [ 575.571214][ T10] __sys_sendmsg+0xcd/0x170 [ 575.571214][ T10] do_syscall_64+0xc6/0x1e0 [ 575.571214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.571214][ T10] [ 575.573666][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 575.573666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.573666][ T10] ipv6_find_idev+0x102/0x170 [ 575.573666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.573666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.573666][ T10] netlink_rcv_skb+0x130/0x360 [ 575.573666][ T10] netlink_unicast+0x449/0x710 [ 575.573666][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.573666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.573666][ T10] ___sys_sendmsg+0xee/0x170 [ 575.573666][ T10] __sys_sendmsg+0xcd/0x170 [ 575.573666][ T10] do_syscall_64+0xc6/0x1e0 [ 575.573666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.573666][ T10] [ 575.575550][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 575.575550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.575550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.575550][ T10] ipv6_find_idev+0x102/0x170 [ 575.575550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.575550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.575550][ T10] netlink_rcv_skb+0x130/0x360 [ 575.575550][ T10] netlink_unicast+0x449/0x710 [ 575.575550][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.575550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.575550][ T10] ___sys_sendmsg+0xee/0x170 [ 575.575550][ T10] __sys_sendmsg+0xcd/0x170 [ 575.575550][ T10] do_syscall_64+0xc6/0x1e0 [ 575.575550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.575550][ T10] [ 575.577689][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 575.578046][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 575.578046][ T10] netdev_get_by_index+0x5e/0x80 [ 575.578046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 575.578046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 575.578046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 575.578046][ T10] ipv6_add_addr+0x411/0x2000 [ 575.578046][ T10] inet6_addr_add+0x30e/0xa40 [ 575.578046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 575.578046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.578046][ T10] netlink_rcv_skb+0x130/0x360 [ 575.578046][ T10] netlink_unicast+0x449/0x710 [ 575.578046][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.578046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.578046][ T10] ___sys_sendmsg+0xee/0x170 [ 575.578046][ T10] __sys_sendmsg+0xcd/0x170 [ 575.578046][ T10] do_syscall_64+0xc6/0x1e0 [ 575.578046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.578046][ T10] [ 575.580583][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 575.580583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 575.580583][ T10] ipv6_find_idev+0x102/0x170 [ 575.580583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.580583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.580583][ T10] netlink_rcv_skb+0x130/0x360 [ 575.580583][ T10] netlink_unicast+0x449/0x710 [ 575.580583][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.580583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.580583][ T10] ___sys_sendmsg+0xee/0x170 [ 575.580583][ T10] __sys_sendmsg+0xcd/0x170 [ 575.580583][ T10] do_syscall_64+0xc6/0x1e0 [ 575.580583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.580583][ T10] [ 575.582522][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 575.582522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 575.582522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 575.582522][ T10] ipv6_find_idev+0x102/0x170 [ 575.582522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 575.582522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 575.582522][ T10] netlink_rcv_skb+0x130/0x360 [ 575.582522][ T10] netlink_unicast+0x449/0x710 [ 575.582522][ T10] netlink_sendmsg+0x723/0xbe0 [ 575.582522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 575.582522][ T10] ___sys_sendmsg+0xee/0x170 [ 575.582522][ T10] __sys_sendmsg+0xcd/0x170 [ 575.582522][ T10] do_syscall_64+0xc6/0x1e0 [ 575.582522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 575.582522][ T10] [ 585.834939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 585.835389][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 585.835389][ T10] netdev_get_by_index+0x5e/0x80 [ 585.835389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.835389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.835389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.835389][ T10] ipv6_add_addr+0x411/0x2000 [ 585.835389][ T10] inet6_addr_add+0x30e/0xa40 [ 585.835389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.835389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.835389][ T10] netlink_rcv_skb+0x130/0x360 [ 585.835389][ T10] netlink_unicast+0x449/0x710 [ 585.835389][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.835389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.835389][ T10] ___sys_sendmsg+0xee/0x170 [ 585.835389][ T10] __sys_sendmsg+0xcd/0x170 [ 585.835389][ T10] do_syscall_64+0xc6/0x1e0 [ 585.835389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.835389][ T10] [ 585.837411][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 585.837411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.837411][ T10] ipv6_find_idev+0x102/0x170 [ 585.837411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.837411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.837411][ T10] netlink_rcv_skb+0x130/0x360 [ 585.837411][ T10] netlink_unicast+0x449/0x710 [ 585.837411][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.837411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.837411][ T10] ___sys_sendmsg+0xee/0x170 [ 585.837411][ T10] __sys_sendmsg+0xcd/0x170 [ 585.837411][ T10] do_syscall_64+0xc6/0x1e0 [ 585.837411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.837411][ T10] [ 585.838959][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 585.838959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.838959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.838959][ T10] ipv6_find_idev+0x102/0x170 [ 585.838959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.838959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.838959][ T10] netlink_rcv_skb+0x130/0x360 [ 585.838959][ T10] netlink_unicast+0x449/0x710 [ 585.838959][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.838959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.838959][ T10] ___sys_sendmsg+0xee/0x170 [ 585.838959][ T10] __sys_sendmsg+0xcd/0x170 [ 585.838959][ T10] do_syscall_64+0xc6/0x1e0 [ 585.838959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.838959][ T10] [ 585.840697][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 585.840986][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 585.840986][ T10] netdev_get_by_index+0x5e/0x80 [ 585.840986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.840986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.840986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.840986][ T10] ipv6_add_addr+0x411/0x2000 [ 585.840986][ T10] inet6_addr_add+0x30e/0xa40 [ 585.840986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.840986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.840986][ T10] netlink_rcv_skb+0x130/0x360 [ 585.840986][ T10] netlink_unicast+0x449/0x710 [ 585.840986][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.840986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.840986][ T10] ___sys_sendmsg+0xee/0x170 [ 585.840986][ T10] __sys_sendmsg+0xcd/0x170 [ 585.840986][ T10] do_syscall_64+0xc6/0x1e0 [ 585.840986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.840986][ T10] [ 585.843099][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 585.843099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.843099][ T10] ipv6_find_idev+0x102/0x170 [ 585.843099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.843099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.843099][ T10] netlink_rcv_skb+0x130/0x360 [ 585.843099][ T10] netlink_unicast+0x449/0x710 [ 585.843099][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.843099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.843099][ T10] ___sys_sendmsg+0xee/0x170 [ 585.843099][ T10] __sys_sendmsg+0xcd/0x170 [ 585.843099][ T10] do_syscall_64+0xc6/0x1e0 [ 585.843099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.843099][ T10] [ 585.844656][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 585.844656][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.844656][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.844656][ T10] ipv6_find_idev+0x102/0x170 [ 585.844656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.844656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.844656][ T10] netlink_rcv_skb+0x130/0x360 [ 585.844656][ T10] netlink_unicast+0x449/0x710 [ 585.844656][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.844656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.844656][ T10] ___sys_sendmsg+0xee/0x170 [ 585.844656][ T10] __sys_sendmsg+0xcd/0x170 [ 585.844656][ T10] do_syscall_64+0xc6/0x1e0 [ 585.844656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.844656][ T10] [ 585.846385][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 585.846670][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 585.846670][ T10] netdev_get_by_index+0x5e/0x80 [ 585.846670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.846670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.846670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.846670][ T10] ipv6_add_addr+0x411/0x2000 [ 585.846670][ T10] inet6_addr_add+0x30e/0xa40 [ 585.846670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.846670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.846670][ T10] netlink_rcv_skb+0x130/0x360 [ 585.846670][ T10] netlink_unicast+0x449/0x710 [ 585.846670][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.846670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.846670][ T10] ___sys_sendmsg+0xee/0x170 [ 585.846670][ T10] __sys_sendmsg+0xcd/0x170 [ 585.846670][ T10] do_syscall_64+0xc6/0x1e0 [ 585.846670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.846670][ T10] [ 585.848675][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 585.848675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.848675][ T10] ipv6_find_idev+0x102/0x170 [ 585.848675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.848675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.848675][ T10] netlink_rcv_skb+0x130/0x360 [ 585.848675][ T10] netlink_unicast+0x449/0x710 [ 585.848675][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.848675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.848675][ T10] ___sys_sendmsg+0xee/0x170 [ 585.848675][ T10] __sys_sendmsg+0xcd/0x170 [ 585.848675][ T10] do_syscall_64+0xc6/0x1e0 [ 585.848675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.848675][ T10] [ 585.850218][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 585.850218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.850218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.850218][ T10] ipv6_find_idev+0x102/0x170 [ 585.850218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.850218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.850218][ T10] netlink_rcv_skb+0x130/0x360 [ 585.850218][ T10] netlink_unicast+0x449/0x710 [ 585.850218][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.850218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.850218][ T10] ___sys_sendmsg+0xee/0x170 [ 585.850218][ T10] __sys_sendmsg+0xcd/0x170 [ 585.850218][ T10] do_syscall_64+0xc6/0x1e0 [ 585.850218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.850218][ T10] [ 585.852346][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 585.852980][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 585.852980][ T10] netdev_get_by_index+0x5e/0x80 [ 585.852980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.852980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.852980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.852980][ T10] ipv6_add_addr+0x411/0x2000 [ 585.852980][ T10] inet6_addr_add+0x30e/0xa40 [ 585.852980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.852980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.852980][ T10] netlink_rcv_skb+0x130/0x360 [ 585.852980][ T10] netlink_unicast+0x449/0x710 [ 585.852980][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.852980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.852980][ T10] ___sys_sendmsg+0xee/0x170 [ 585.852980][ T10] __sys_sendmsg+0xcd/0x170 [ 585.852980][ T10] do_syscall_64+0xc6/0x1e0 [ 585.852980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.852980][ T10] [ 585.854987][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 585.854987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.854987][ T10] ipv6_find_idev+0x102/0x170 [ 585.854987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.854987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.854987][ T10] netlink_rcv_skb+0x130/0x360 [ 585.854987][ T10] netlink_unicast+0x449/0x710 [ 585.854987][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.854987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.854987][ T10] ___sys_sendmsg+0xee/0x170 [ 585.854987][ T10] __sys_sendmsg+0xcd/0x170 [ 585.854987][ T10] do_syscall_64+0xc6/0x1e0 [ 585.854987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.854987][ T10] [ 585.856524][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 585.856524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.856524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.856524][ T10] ipv6_find_idev+0x102/0x170 [ 585.856524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.856524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.856524][ T10] netlink_rcv_skb+0x130/0x360 [ 585.856524][ T10] netlink_unicast+0x449/0x710 [ 585.856524][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.856524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.856524][ T10] ___sys_sendmsg+0xee/0x170 [ 585.856524][ T10] __sys_sendmsg+0xcd/0x170 [ 585.856524][ T10] do_syscall_64+0xc6/0x1e0 [ 585.856524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.856524][ T10] [ 585.858231][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 585.858505][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 585.858505][ T10] netdev_get_by_index+0x5e/0x80 [ 585.858505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.858505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.858505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.858505][ T10] ipv6_add_addr+0x411/0x2000 [ 585.858505][ T10] inet6_addr_add+0x30e/0xa40 [ 585.858505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.858505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.858505][ T10] netlink_rcv_skb+0x130/0x360 [ 585.858505][ T10] netlink_unicast+0x449/0x710 [ 585.858505][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.858505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.858505][ T10] ___sys_sendmsg+0xee/0x170 [ 585.858505][ T10] __sys_sendmsg+0xcd/0x170 [ 585.858505][ T10] do_syscall_64+0xc6/0x1e0 [ 585.858505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.858505][ T10] [ 585.860522][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 585.860522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.860522][ T10] ipv6_find_idev+0x102/0x170 [ 585.860522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.860522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.860522][ T10] netlink_rcv_skb+0x130/0x360 [ 585.860522][ T10] netlink_unicast+0x449/0x710 [ 585.860522][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.860522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.860522][ T10] ___sys_sendmsg+0xee/0x170 [ 585.860522][ T10] __sys_sendmsg+0xcd/0x170 [ 585.860522][ T10] do_syscall_64+0xc6/0x1e0 [ 585.860522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.860522][ T10] [ 585.862083][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 585.862083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.862083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.862083][ T10] ipv6_find_idev+0x102/0x170 [ 585.862083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.862083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.862083][ T10] netlink_rcv_skb+0x130/0x360 [ 585.862083][ T10] netlink_unicast+0x449/0x710 [ 585.862083][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.862083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.862083][ T10] ___sys_sendmsg+0xee/0x170 [ 585.862083][ T10] __sys_sendmsg+0xcd/0x170 [ 585.862083][ T10] do_syscall_64+0xc6/0x1e0 [ 585.862083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.862083][ T10] [ 585.863862][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 585.864178][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 585.864178][ T10] netdev_get_by_index+0x5e/0x80 [ 585.864178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.864178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.864178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.864178][ T10] ipv6_add_addr+0x411/0x2000 [ 585.864178][ T10] inet6_addr_add+0x30e/0xa40 [ 585.864178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.864178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.864178][ T10] netlink_rcv_skb+0x130/0x360 [ 585.864178][ T10] netlink_unicast+0x449/0x710 [ 585.864178][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.864178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.864178][ T10] ___sys_sendmsg+0xee/0x170 [ 585.864178][ T10] __sys_sendmsg+0xcd/0x170 [ 585.864178][ T10] do_syscall_64+0xc6/0x1e0 [ 585.864178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.864178][ T10] [ 585.866199][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 585.866199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.866199][ T10] ipv6_find_idev+0x102/0x170 [ 585.866199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.866199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.866199][ T10] netlink_rcv_skb+0x130/0x360 [ 585.866199][ T10] netlink_unicast+0x449/0x710 [ 585.866199][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.866199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.866199][ T10] ___sys_sendmsg+0xee/0x170 [ 585.866199][ T10] __sys_sendmsg+0xcd/0x170 [ 585.866199][ T10] do_syscall_64+0xc6/0x1e0 [ 585.866199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.866199][ T10] [ 585.867749][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 585.867749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.867749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.867749][ T10] ipv6_find_idev+0x102/0x170 [ 585.867749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.867749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.867749][ T10] netlink_rcv_skb+0x130/0x360 [ 585.867749][ T10] netlink_unicast+0x449/0x710 [ 585.867749][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.867749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.867749][ T10] ___sys_sendmsg+0xee/0x170 [ 585.867749][ T10] __sys_sendmsg+0xcd/0x170 [ 585.867749][ T10] do_syscall_64+0xc6/0x1e0 [ 585.867749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.867749][ T10] [ 585.869681][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 585.870012][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 585.870012][ T10] netdev_get_by_index+0x5e/0x80 [ 585.870012][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.870012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.870012][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.870012][ T10] ipv6_add_addr+0x411/0x2000 [ 585.870012][ T10] inet6_addr_add+0x30e/0xa40 [ 585.870012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.870012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.870012][ T10] netlink_rcv_skb+0x130/0x360 [ 585.870012][ T10] netlink_unicast+0x449/0x710 [ 585.870012][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.870012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.870012][ T10] ___sys_sendmsg+0xee/0x170 [ 585.870012][ T10] __sys_sendmsg+0xcd/0x170 [ 585.870012][ T10] do_syscall_64+0xc6/0x1e0 [ 585.870012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.870012][ T10] [ 585.872247][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 585.872247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.872247][ T10] ipv6_find_idev+0x102/0x170 [ 585.872247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.872247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.872247][ T10] netlink_rcv_skb+0x130/0x360 [ 585.872247][ T10] netlink_unicast+0x449/0x710 [ 585.872247][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.872247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.872247][ T10] ___sys_sendmsg+0xee/0x170 [ 585.872247][ T10] __sys_sendmsg+0xcd/0x170 [ 585.872247][ T10] do_syscall_64+0xc6/0x1e0 [ 585.872247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.872247][ T10] [ 585.873960][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 585.873960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.873960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.873960][ T10] ipv6_find_idev+0x102/0x170 [ 585.873960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.873960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.873960][ T10] netlink_rcv_skb+0x130/0x360 [ 585.873960][ T10] netlink_unicast+0x449/0x710 [ 585.873960][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.873960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.873960][ T10] ___sys_sendmsg+0xee/0x170 [ 585.873960][ T10] __sys_sendmsg+0xcd/0x170 [ 585.873960][ T10] do_syscall_64+0xc6/0x1e0 [ 585.873960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.873960][ T10] [ 585.875879][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 585.876191][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 585.876191][ T10] netdev_get_by_index+0x5e/0x80 [ 585.876191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 585.876191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 585.876191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 585.876191][ T10] ipv6_add_addr+0x411/0x2000 [ 585.876191][ T10] inet6_addr_add+0x30e/0xa40 [ 585.876191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 585.876191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.876191][ T10] netlink_rcv_skb+0x130/0x360 [ 585.876191][ T10] netlink_unicast+0x449/0x710 [ 585.876191][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.876191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.876191][ T10] ___sys_sendmsg+0xee/0x170 [ 585.876191][ T10] __sys_sendmsg+0xcd/0x170 [ 585.876191][ T10] do_syscall_64+0xc6/0x1e0 [ 585.876191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.876191][ T10] [ 585.878361][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 585.878361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 585.878361][ T10] ipv6_find_idev+0x102/0x170 [ 585.878361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.878361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.878361][ T10] netlink_rcv_skb+0x130/0x360 [ 585.878361][ T10] netlink_unicast+0x449/0x710 [ 585.878361][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.878361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.878361][ T10] ___sys_sendmsg+0xee/0x170 [ 585.878361][ T10] __sys_sendmsg+0xcd/0x170 [ 585.878361][ T10] do_syscall_64+0xc6/0x1e0 [ 585.878361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.878361][ T10] [ 585.880080][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 585.880080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 585.880080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 585.880080][ T10] ipv6_find_idev+0x102/0x170 [ 585.880080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 585.880080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 585.880080][ T10] netlink_rcv_skb+0x130/0x360 [ 585.880080][ T10] netlink_unicast+0x449/0x710 [ 585.880080][ T10] netlink_sendmsg+0x723/0xbe0 [ 585.880080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 585.880080][ T10] ___sys_sendmsg+0xee/0x170 [ 585.880080][ T10] __sys_sendmsg+0xcd/0x170 [ 585.880080][ T10] do_syscall_64+0xc6/0x1e0 [ 585.880080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 585.880080][ T10] [ 595.906931][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 595.907337][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 595.907337][ T10] netdev_get_by_index+0x5e/0x80 [ 595.907337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.907337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.907337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.907337][ T10] ipv6_add_addr+0x411/0x2000 [ 595.907337][ T10] inet6_addr_add+0x30e/0xa40 [ 595.907337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.907337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.907337][ T10] netlink_rcv_skb+0x130/0x360 [ 595.907337][ T10] netlink_unicast+0x449/0x710 [ 595.907337][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.907337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.907337][ T10] ___sys_sendmsg+0xee/0x170 [ 595.907337][ T10] __sys_sendmsg+0xcd/0x170 [ 595.907337][ T10] do_syscall_64+0xc6/0x1e0 [ 595.907337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.907337][ T10] [ 595.909373][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 595.909373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.909373][ T10] ipv6_find_idev+0x102/0x170 [ 595.909373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.909373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.909373][ T10] netlink_rcv_skb+0x130/0x360 [ 595.909373][ T10] netlink_unicast+0x449/0x710 [ 595.909373][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.909373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.909373][ T10] ___sys_sendmsg+0xee/0x170 [ 595.909373][ T10] __sys_sendmsg+0xcd/0x170 [ 595.909373][ T10] do_syscall_64+0xc6/0x1e0 [ 595.909373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.909373][ T10] [ 595.910928][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 595.910928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.910928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.910928][ T10] ipv6_find_idev+0x102/0x170 [ 595.910928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.910928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.910928][ T10] netlink_rcv_skb+0x130/0x360 [ 595.910928][ T10] netlink_unicast+0x449/0x710 [ 595.910928][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.910928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.910928][ T10] ___sys_sendmsg+0xee/0x170 [ 595.910928][ T10] __sys_sendmsg+0xcd/0x170 [ 595.910928][ T10] do_syscall_64+0xc6/0x1e0 [ 595.910928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.910928][ T10] [ 595.912605][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 595.912880][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 595.912880][ T10] netdev_get_by_index+0x5e/0x80 [ 595.912880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.912880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.912880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.912880][ T10] ipv6_add_addr+0x411/0x2000 [ 595.912880][ T10] inet6_addr_add+0x30e/0xa40 [ 595.912880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.912880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.912880][ T10] netlink_rcv_skb+0x130/0x360 [ 595.912880][ T10] netlink_unicast+0x449/0x710 [ 595.912880][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.912880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.912880][ T10] ___sys_sendmsg+0xee/0x170 [ 595.912880][ T10] __sys_sendmsg+0xcd/0x170 [ 595.912880][ T10] do_syscall_64+0xc6/0x1e0 [ 595.912880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.912880][ T10] [ 595.914848][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 595.914848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.914848][ T10] ipv6_find_idev+0x102/0x170 [ 595.914848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.914848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.914848][ T10] netlink_rcv_skb+0x130/0x360 [ 595.914848][ T10] netlink_unicast+0x449/0x710 [ 595.914848][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.914848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.914848][ T10] ___sys_sendmsg+0xee/0x170 [ 595.914848][ T10] __sys_sendmsg+0xcd/0x170 [ 595.914848][ T10] do_syscall_64+0xc6/0x1e0 [ 595.914848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.914848][ T10] [ 595.916359][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 595.916359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.916359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.916359][ T10] ipv6_find_idev+0x102/0x170 [ 595.916359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.916359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.916359][ T10] netlink_rcv_skb+0x130/0x360 [ 595.916359][ T10] netlink_unicast+0x449/0x710 [ 595.916359][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.916359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.916359][ T10] ___sys_sendmsg+0xee/0x170 [ 595.916359][ T10] __sys_sendmsg+0xcd/0x170 [ 595.916359][ T10] do_syscall_64+0xc6/0x1e0 [ 595.916359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.916359][ T10] [ 595.918068][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 595.918333][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 595.918333][ T10] netdev_get_by_index+0x5e/0x80 [ 595.918333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.918333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.918333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.918333][ T10] ipv6_add_addr+0x411/0x2000 [ 595.918333][ T10] inet6_addr_add+0x30e/0xa40 [ 595.918333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.918333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.918333][ T10] netlink_rcv_skb+0x130/0x360 [ 595.918333][ T10] netlink_unicast+0x449/0x710 [ 595.918333][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.918333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.918333][ T10] ___sys_sendmsg+0xee/0x170 [ 595.918333][ T10] __sys_sendmsg+0xcd/0x170 [ 595.918333][ T10] do_syscall_64+0xc6/0x1e0 [ 595.918333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.918333][ T10] [ 595.920304][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 595.920304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.920304][ T10] ipv6_find_idev+0x102/0x170 [ 595.920304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.920304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.920304][ T10] netlink_rcv_skb+0x130/0x360 [ 595.920304][ T10] netlink_unicast+0x449/0x710 [ 595.920304][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.920304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.920304][ T10] ___sys_sendmsg+0xee/0x170 [ 595.920304][ T10] __sys_sendmsg+0xcd/0x170 [ 595.920304][ T10] do_syscall_64+0xc6/0x1e0 [ 595.920304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.920304][ T10] [ 595.921851][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 595.921851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.921851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.921851][ T10] ipv6_find_idev+0x102/0x170 [ 595.921851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.921851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.921851][ T10] netlink_rcv_skb+0x130/0x360 [ 595.921851][ T10] netlink_unicast+0x449/0x710 [ 595.921851][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.921851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.921851][ T10] ___sys_sendmsg+0xee/0x170 [ 595.921851][ T10] __sys_sendmsg+0xcd/0x170 [ 595.921851][ T10] do_syscall_64+0xc6/0x1e0 [ 595.921851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.921851][ T10] [ 595.923521][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 595.923797][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 595.923797][ T10] netdev_get_by_index+0x5e/0x80 [ 595.923797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.923797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.923797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.923797][ T10] ipv6_add_addr+0x411/0x2000 [ 595.923797][ T10] inet6_addr_add+0x30e/0xa40 [ 595.923797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.923797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.923797][ T10] netlink_rcv_skb+0x130/0x360 [ 595.923797][ T10] netlink_unicast+0x449/0x710 [ 595.923797][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.923797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.923797][ T10] ___sys_sendmsg+0xee/0x170 [ 595.923797][ T10] __sys_sendmsg+0xcd/0x170 [ 595.923797][ T10] do_syscall_64+0xc6/0x1e0 [ 595.923797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.923797][ T10] [ 595.925767][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 595.925767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.925767][ T10] ipv6_find_idev+0x102/0x170 [ 595.925767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.925767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.925767][ T10] netlink_rcv_skb+0x130/0x360 [ 595.925767][ T10] netlink_unicast+0x449/0x710 [ 595.925767][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.925767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.925767][ T10] ___sys_sendmsg+0xee/0x170 [ 595.925767][ T10] __sys_sendmsg+0xcd/0x170 [ 595.925767][ T10] do_syscall_64+0xc6/0x1e0 [ 595.925767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.925767][ T10] [ 595.927305][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 595.927305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.927305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.927305][ T10] ipv6_find_idev+0x102/0x170 [ 595.927305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.927305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.927305][ T10] netlink_rcv_skb+0x130/0x360 [ 595.927305][ T10] netlink_unicast+0x449/0x710 [ 595.927305][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.927305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.927305][ T10] ___sys_sendmsg+0xee/0x170 [ 595.927305][ T10] __sys_sendmsg+0xcd/0x170 [ 595.927305][ T10] do_syscall_64+0xc6/0x1e0 [ 595.927305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.927305][ T10] [ 595.929391][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 595.929665][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 595.929665][ T10] netdev_get_by_index+0x5e/0x80 [ 595.929665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.929665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.929665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.929665][ T10] ipv6_add_addr+0x411/0x2000 [ 595.929665][ T10] inet6_addr_add+0x30e/0xa40 [ 595.929665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.929665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.929665][ T10] netlink_rcv_skb+0x130/0x360 [ 595.929665][ T10] netlink_unicast+0x449/0x710 [ 595.929665][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.929665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.929665][ T10] ___sys_sendmsg+0xee/0x170 [ 595.929665][ T10] __sys_sendmsg+0xcd/0x170 [ 595.929665][ T10] do_syscall_64+0xc6/0x1e0 [ 595.929665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.929665][ T10] [ 595.931664][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 595.931664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.931664][ T10] ipv6_find_idev+0x102/0x170 [ 595.931664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.931664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.931664][ T10] netlink_rcv_skb+0x130/0x360 [ 595.931664][ T10] netlink_unicast+0x449/0x710 [ 595.931664][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.931664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.931664][ T10] ___sys_sendmsg+0xee/0x170 [ 595.931664][ T10] __sys_sendmsg+0xcd/0x170 [ 595.931664][ T10] do_syscall_64+0xc6/0x1e0 [ 595.931664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.931664][ T10] [ 595.933221][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 595.933221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.933221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.933221][ T10] ipv6_find_idev+0x102/0x170 [ 595.933221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.933221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.933221][ T10] netlink_rcv_skb+0x130/0x360 [ 595.933221][ T10] netlink_unicast+0x449/0x710 [ 595.933221][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.933221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.933221][ T10] ___sys_sendmsg+0xee/0x170 [ 595.933221][ T10] __sys_sendmsg+0xcd/0x170 [ 595.933221][ T10] do_syscall_64+0xc6/0x1e0 [ 595.933221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.933221][ T10] [ 595.934948][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 595.935209][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 595.935209][ T10] netdev_get_by_index+0x5e/0x80 [ 595.935209][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.935209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.935209][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.935209][ T10] ipv6_add_addr+0x411/0x2000 [ 595.935209][ T10] inet6_addr_add+0x30e/0xa40 [ 595.935209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.935209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.935209][ T10] netlink_rcv_skb+0x130/0x360 [ 595.935209][ T10] netlink_unicast+0x449/0x710 [ 595.935209][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.935209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.935209][ T10] ___sys_sendmsg+0xee/0x170 [ 595.935209][ T10] __sys_sendmsg+0xcd/0x170 [ 595.935209][ T10] do_syscall_64+0xc6/0x1e0 [ 595.935209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.935209][ T10] [ 595.937304][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 595.937304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.937304][ T10] ipv6_find_idev+0x102/0x170 [ 595.937304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.937304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.937304][ T10] netlink_rcv_skb+0x130/0x360 [ 595.937304][ T10] netlink_unicast+0x449/0x710 [ 595.937304][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.937304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.937304][ T10] ___sys_sendmsg+0xee/0x170 [ 595.937304][ T10] __sys_sendmsg+0xcd/0x170 [ 595.937304][ T10] do_syscall_64+0xc6/0x1e0 [ 595.937304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.937304][ T10] [ 595.939069][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 595.939069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.939069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.939069][ T10] ipv6_find_idev+0x102/0x170 [ 595.939069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.939069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.939069][ T10] netlink_rcv_skb+0x130/0x360 [ 595.939069][ T10] netlink_unicast+0x449/0x710 [ 595.939069][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.939069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.939069][ T10] ___sys_sendmsg+0xee/0x170 [ 595.939069][ T10] __sys_sendmsg+0xcd/0x170 [ 595.939069][ T10] do_syscall_64+0xc6/0x1e0 [ 595.939069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.939069][ T10] [ 595.940979][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 595.941239][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 595.941239][ T10] netdev_get_by_index+0x5e/0x80 [ 595.941239][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.941239][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.941239][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.941239][ T10] ipv6_add_addr+0x411/0x2000 [ 595.941239][ T10] inet6_addr_add+0x30e/0xa40 [ 595.941239][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.941239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.941239][ T10] netlink_rcv_skb+0x130/0x360 [ 595.941239][ T10] netlink_unicast+0x449/0x710 [ 595.941239][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.941239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.941239][ T10] ___sys_sendmsg+0xee/0x170 [ 595.941239][ T10] __sys_sendmsg+0xcd/0x170 [ 595.941239][ T10] do_syscall_64+0xc6/0x1e0 [ 595.941239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.941239][ T10] [ 595.943469][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 595.943469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.943469][ T10] ipv6_find_idev+0x102/0x170 [ 595.943469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.943469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.943469][ T10] netlink_rcv_skb+0x130/0x360 [ 595.943469][ T10] netlink_unicast+0x449/0x710 [ 595.943469][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.943469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.943469][ T10] ___sys_sendmsg+0xee/0x170 [ 595.943469][ T10] __sys_sendmsg+0xcd/0x170 [ 595.943469][ T10] do_syscall_64+0xc6/0x1e0 [ 595.943469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.943469][ T10] [ 595.945164][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 595.945164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.945164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.945164][ T10] ipv6_find_idev+0x102/0x170 [ 595.945164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.945164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.945164][ T10] netlink_rcv_skb+0x130/0x360 [ 595.945164][ T10] netlink_unicast+0x449/0x710 [ 595.945164][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.945164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.945164][ T10] ___sys_sendmsg+0xee/0x170 [ 595.945164][ T10] __sys_sendmsg+0xcd/0x170 [ 595.945164][ T10] do_syscall_64+0xc6/0x1e0 [ 595.945164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.945164][ T10] [ 595.947065][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 595.947332][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 595.947332][ T10] netdev_get_by_index+0x5e/0x80 [ 595.947332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 595.947332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 595.947332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 595.947332][ T10] ipv6_add_addr+0x411/0x2000 [ 595.947332][ T10] inet6_addr_add+0x30e/0xa40 [ 595.947332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 595.947332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.947332][ T10] netlink_rcv_skb+0x130/0x360 [ 595.947332][ T10] netlink_unicast+0x449/0x710 [ 595.947332][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.947332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.947332][ T10] ___sys_sendmsg+0xee/0x170 [ 595.947332][ T10] __sys_sendmsg+0xcd/0x170 [ 595.947332][ T10] do_syscall_64+0xc6/0x1e0 [ 595.947332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.947332][ T10] [ 595.949603][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 595.949603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 595.949603][ T10] ipv6_find_idev+0x102/0x170 [ 595.949603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.949603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.949603][ T10] netlink_rcv_skb+0x130/0x360 [ 595.949603][ T10] netlink_unicast+0x449/0x710 [ 595.949603][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.949603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.949603][ T10] ___sys_sendmsg+0xee/0x170 [ 595.949603][ T10] __sys_sendmsg+0xcd/0x170 [ 595.949603][ T10] do_syscall_64+0xc6/0x1e0 [ 595.949603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.949603][ T10] [ 595.951315][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 595.951315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 595.951315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 595.951315][ T10] ipv6_find_idev+0x102/0x170 [ 595.951315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 595.951315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 595.951315][ T10] netlink_rcv_skb+0x130/0x360 [ 595.951315][ T10] netlink_unicast+0x449/0x710 [ 595.951315][ T10] netlink_sendmsg+0x723/0xbe0 [ 595.951315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 595.951315][ T10] ___sys_sendmsg+0xee/0x170 [ 595.951315][ T10] __sys_sendmsg+0xcd/0x170 [ 595.951315][ T10] do_syscall_64+0xc6/0x1e0 [ 595.951315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 595.951315][ T10] [ 606.194939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 606.195392][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 606.195392][ T10] netdev_get_by_index+0x5e/0x80 [ 606.195392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.195392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.195392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.195392][ T10] ipv6_add_addr+0x411/0x2000 [ 606.195392][ T10] inet6_addr_add+0x30e/0xa40 [ 606.195392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.195392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.195392][ T10] netlink_rcv_skb+0x130/0x360 [ 606.195392][ T10] netlink_unicast+0x449/0x710 [ 606.195392][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.195392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.195392][ T10] ___sys_sendmsg+0xee/0x170 [ 606.195392][ T10] __sys_sendmsg+0xcd/0x170 [ 606.195392][ T10] do_syscall_64+0xc6/0x1e0 [ 606.195392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.195392][ T10] [ 606.197458][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 606.197458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.197458][ T10] ipv6_find_idev+0x102/0x170 [ 606.197458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.197458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.197458][ T10] netlink_rcv_skb+0x130/0x360 [ 606.197458][ T10] netlink_unicast+0x449/0x710 [ 606.197458][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.197458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.197458][ T10] ___sys_sendmsg+0xee/0x170 [ 606.197458][ T10] __sys_sendmsg+0xcd/0x170 [ 606.197458][ T10] do_syscall_64+0xc6/0x1e0 [ 606.197458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.197458][ T10] [ 606.199002][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 606.199002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.199002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.199002][ T10] ipv6_find_idev+0x102/0x170 [ 606.199002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.199002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.199002][ T10] netlink_rcv_skb+0x130/0x360 [ 606.199002][ T10] netlink_unicast+0x449/0x710 [ 606.199002][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.199002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.199002][ T10] ___sys_sendmsg+0xee/0x170 [ 606.199002][ T10] __sys_sendmsg+0xcd/0x170 [ 606.199002][ T10] do_syscall_64+0xc6/0x1e0 [ 606.199002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.199002][ T10] [ 606.200686][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 606.200962][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 606.200962][ T10] netdev_get_by_index+0x5e/0x80 [ 606.200962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.200962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.200962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.200962][ T10] ipv6_add_addr+0x411/0x2000 [ 606.200962][ T10] inet6_addr_add+0x30e/0xa40 [ 606.200962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.200962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.200962][ T10] netlink_rcv_skb+0x130/0x360 [ 606.200962][ T10] netlink_unicast+0x449/0x710 [ 606.200962][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.200962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.200962][ T10] ___sys_sendmsg+0xee/0x170 [ 606.200962][ T10] __sys_sendmsg+0xcd/0x170 [ 606.200962][ T10] do_syscall_64+0xc6/0x1e0 [ 606.200962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.200962][ T10] [ 606.202939][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 606.202939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.202939][ T10] ipv6_find_idev+0x102/0x170 [ 606.202939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.202939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.202939][ T10] netlink_rcv_skb+0x130/0x360 [ 606.202939][ T10] netlink_unicast+0x449/0x710 [ 606.202939][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.202939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.202939][ T10] ___sys_sendmsg+0xee/0x170 [ 606.202939][ T10] __sys_sendmsg+0xcd/0x170 [ 606.202939][ T10] do_syscall_64+0xc6/0x1e0 [ 606.202939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.202939][ T10] [ 606.204451][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 606.204451][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.204451][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.204451][ T10] ipv6_find_idev+0x102/0x170 [ 606.204451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.204451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.204451][ T10] netlink_rcv_skb+0x130/0x360 [ 606.204451][ T10] netlink_unicast+0x449/0x710 [ 606.204451][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.204451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.204451][ T10] ___sys_sendmsg+0xee/0x170 [ 606.204451][ T10] __sys_sendmsg+0xcd/0x170 [ 606.204451][ T10] do_syscall_64+0xc6/0x1e0 [ 606.204451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.204451][ T10] [ 606.206111][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 606.206368][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 606.206368][ T10] netdev_get_by_index+0x5e/0x80 [ 606.206368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.206368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.206368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.206368][ T10] ipv6_add_addr+0x411/0x2000 [ 606.206368][ T10] inet6_addr_add+0x30e/0xa40 [ 606.206368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.206368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.206368][ T10] netlink_rcv_skb+0x130/0x360 [ 606.206368][ T10] netlink_unicast+0x449/0x710 [ 606.206368][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.206368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.206368][ T10] ___sys_sendmsg+0xee/0x170 [ 606.206368][ T10] __sys_sendmsg+0xcd/0x170 [ 606.206368][ T10] do_syscall_64+0xc6/0x1e0 [ 606.206368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.206368][ T10] [ 606.208332][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 606.208332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.208332][ T10] ipv6_find_idev+0x102/0x170 [ 606.208332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.208332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.208332][ T10] netlink_rcv_skb+0x130/0x360 [ 606.208332][ T10] netlink_unicast+0x449/0x710 [ 606.208332][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.208332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.208332][ T10] ___sys_sendmsg+0xee/0x170 [ 606.208332][ T10] __sys_sendmsg+0xcd/0x170 [ 606.208332][ T10] do_syscall_64+0xc6/0x1e0 [ 606.208332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.208332][ T10] [ 606.209970][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 606.209970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.209970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.209970][ T10] ipv6_find_idev+0x102/0x170 [ 606.209970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.209970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.209970][ T10] netlink_rcv_skb+0x130/0x360 [ 606.209970][ T10] netlink_unicast+0x449/0x710 [ 606.209970][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.209970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.209970][ T10] ___sys_sendmsg+0xee/0x170 [ 606.209970][ T10] __sys_sendmsg+0xcd/0x170 [ 606.209970][ T10] do_syscall_64+0xc6/0x1e0 [ 606.209970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.209970][ T10] [ 606.211632][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 606.212330][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 606.212330][ T10] netdev_get_by_index+0x5e/0x80 [ 606.212330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.212330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.212330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.212330][ T10] ipv6_add_addr+0x411/0x2000 [ 606.212330][ T10] inet6_addr_add+0x30e/0xa40 [ 606.212330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.212330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.212330][ T10] netlink_rcv_skb+0x130/0x360 [ 606.212330][ T10] netlink_unicast+0x449/0x710 [ 606.212330][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.212330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.212330][ T10] ___sys_sendmsg+0xee/0x170 [ 606.212330][ T10] __sys_sendmsg+0xcd/0x170 [ 606.212330][ T10] do_syscall_64+0xc6/0x1e0 [ 606.212330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.212330][ T10] [ 606.214302][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 606.214302][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.214302][ T10] ipv6_find_idev+0x102/0x170 [ 606.214302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.214302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.214302][ T10] netlink_rcv_skb+0x130/0x360 [ 606.214302][ T10] netlink_unicast+0x449/0x710 [ 606.214302][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.214302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.214302][ T10] ___sys_sendmsg+0xee/0x170 [ 606.214302][ T10] __sys_sendmsg+0xcd/0x170 [ 606.214302][ T10] do_syscall_64+0xc6/0x1e0 [ 606.214302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.214302][ T10] [ 606.215816][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 606.215816][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.215816][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.215816][ T10] ipv6_find_idev+0x102/0x170 [ 606.215816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.215816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.215816][ T10] netlink_rcv_skb+0x130/0x360 [ 606.215816][ T10] netlink_unicast+0x449/0x710 [ 606.215816][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.215816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.215816][ T10] ___sys_sendmsg+0xee/0x170 [ 606.215816][ T10] __sys_sendmsg+0xcd/0x170 [ 606.215816][ T10] do_syscall_64+0xc6/0x1e0 [ 606.215816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.215816][ T10] [ 606.217518][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 606.217782][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 606.217782][ T10] netdev_get_by_index+0x5e/0x80 [ 606.217782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.217782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.217782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.217782][ T10] ipv6_add_addr+0x411/0x2000 [ 606.217782][ T10] inet6_addr_add+0x30e/0xa40 [ 606.217782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.217782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.217782][ T10] netlink_rcv_skb+0x130/0x360 [ 606.217782][ T10] netlink_unicast+0x449/0x710 [ 606.217782][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.217782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.217782][ T10] ___sys_sendmsg+0xee/0x170 [ 606.217782][ T10] __sys_sendmsg+0xcd/0x170 [ 606.217782][ T10] do_syscall_64+0xc6/0x1e0 [ 606.217782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.217782][ T10] [ 606.219899][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 606.219899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.219899][ T10] ipv6_find_idev+0x102/0x170 [ 606.219899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.219899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.219899][ T10] netlink_rcv_skb+0x130/0x360 [ 606.219899][ T10] netlink_unicast+0x449/0x710 [ 606.219899][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.219899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.219899][ T10] ___sys_sendmsg+0xee/0x170 [ 606.219899][ T10] __sys_sendmsg+0xcd/0x170 [ 606.219899][ T10] do_syscall_64+0xc6/0x1e0 [ 606.219899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.219899][ T10] [ 606.221466][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 606.221466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.221466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.221466][ T10] ipv6_find_idev+0x102/0x170 [ 606.221466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.221466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.221466][ T10] netlink_rcv_skb+0x130/0x360 [ 606.221466][ T10] netlink_unicast+0x449/0x710 [ 606.221466][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.221466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.221466][ T10] ___sys_sendmsg+0xee/0x170 [ 606.221466][ T10] __sys_sendmsg+0xcd/0x170 [ 606.221466][ T10] do_syscall_64+0xc6/0x1e0 [ 606.221466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.221466][ T10] [ 606.223163][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 606.223825][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 606.223825][ T10] netdev_get_by_index+0x5e/0x80 [ 606.223825][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.223825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.223825][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.223825][ T10] ipv6_add_addr+0x411/0x2000 [ 606.223825][ T10] inet6_addr_add+0x30e/0xa40 [ 606.223825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.223825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.223825][ T10] netlink_rcv_skb+0x130/0x360 [ 606.223825][ T10] netlink_unicast+0x449/0x710 [ 606.223825][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.223825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.223825][ T10] ___sys_sendmsg+0xee/0x170 [ 606.223825][ T10] __sys_sendmsg+0xcd/0x170 [ 606.223825][ T10] do_syscall_64+0xc6/0x1e0 [ 606.223825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.223825][ T10] [ 606.225842][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 606.225842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.225842][ T10] ipv6_find_idev+0x102/0x170 [ 606.225842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.225842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.225842][ T10] netlink_rcv_skb+0x130/0x360 [ 606.225842][ T10] netlink_unicast+0x449/0x710 [ 606.225842][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.225842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.225842][ T10] ___sys_sendmsg+0xee/0x170 [ 606.225842][ T10] __sys_sendmsg+0xcd/0x170 [ 606.225842][ T10] do_syscall_64+0xc6/0x1e0 [ 606.225842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.225842][ T10] [ 606.227593][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 606.227593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.227593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.227593][ T10] ipv6_find_idev+0x102/0x170 [ 606.227593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.227593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.227593][ T10] netlink_rcv_skb+0x130/0x360 [ 606.227593][ T10] netlink_unicast+0x449/0x710 [ 606.227593][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.227593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.227593][ T10] ___sys_sendmsg+0xee/0x170 [ 606.227593][ T10] __sys_sendmsg+0xcd/0x170 [ 606.227593][ T10] do_syscall_64+0xc6/0x1e0 [ 606.227593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.227593][ T10] [ 606.229534][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 606.229794][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 606.229794][ T10] netdev_get_by_index+0x5e/0x80 [ 606.229794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.229794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.229794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.229794][ T10] ipv6_add_addr+0x411/0x2000 [ 606.229794][ T10] inet6_addr_add+0x30e/0xa40 [ 606.229794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.229794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.229794][ T10] netlink_rcv_skb+0x130/0x360 [ 606.229794][ T10] netlink_unicast+0x449/0x710 [ 606.229794][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.229794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.229794][ T10] ___sys_sendmsg+0xee/0x170 [ 606.229794][ T10] __sys_sendmsg+0xcd/0x170 [ 606.229794][ T10] do_syscall_64+0xc6/0x1e0 [ 606.229794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.229794][ T10] [ 606.231942][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 606.231942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.231942][ T10] ipv6_find_idev+0x102/0x170 [ 606.231942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.231942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.231942][ T10] netlink_rcv_skb+0x130/0x360 [ 606.231942][ T10] netlink_unicast+0x449/0x710 [ 606.231942][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.231942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.231942][ T10] ___sys_sendmsg+0xee/0x170 [ 606.231942][ T10] __sys_sendmsg+0xcd/0x170 [ 606.231942][ T10] do_syscall_64+0xc6/0x1e0 [ 606.231942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.231942][ T10] [ 606.233629][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 606.233629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.233629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.233629][ T10] ipv6_find_idev+0x102/0x170 [ 606.233629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.233629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.233629][ T10] netlink_rcv_skb+0x130/0x360 [ 606.233629][ T10] netlink_unicast+0x449/0x710 [ 606.233629][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.233629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.233629][ T10] ___sys_sendmsg+0xee/0x170 [ 606.233629][ T10] __sys_sendmsg+0xcd/0x170 [ 606.233629][ T10] do_syscall_64+0xc6/0x1e0 [ 606.233629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.233629][ T10] [ 606.235554][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 606.235815][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 606.235815][ T10] netdev_get_by_index+0x5e/0x80 [ 606.235815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 606.235815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 606.235815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 606.235815][ T10] ipv6_add_addr+0x411/0x2000 [ 606.235815][ T10] inet6_addr_add+0x30e/0xa40 [ 606.235815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 606.235815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.235815][ T10] netlink_rcv_skb+0x130/0x360 [ 606.235815][ T10] netlink_unicast+0x449/0x710 [ 606.235815][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.235815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.235815][ T10] ___sys_sendmsg+0xee/0x170 [ 606.235815][ T10] __sys_sendmsg+0xcd/0x170 [ 606.235815][ T10] do_syscall_64+0xc6/0x1e0 [ 606.235815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.235815][ T10] [ 606.238011][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 606.238011][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 606.238011][ T10] ipv6_find_idev+0x102/0x170 [ 606.238011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.238011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.238011][ T10] netlink_rcv_skb+0x130/0x360 [ 606.238011][ T10] netlink_unicast+0x449/0x710 [ 606.238011][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.238011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.238011][ T10] ___sys_sendmsg+0xee/0x170 [ 606.238011][ T10] __sys_sendmsg+0xcd/0x170 [ 606.238011][ T10] do_syscall_64+0xc6/0x1e0 [ 606.238011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.238011][ T10] [ 606.239692][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 606.239692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 606.239692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 606.239692][ T10] ipv6_find_idev+0x102/0x170 [ 606.239692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 606.239692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 606.239692][ T10] netlink_rcv_skb+0x130/0x360 [ 606.239692][ T10] netlink_unicast+0x449/0x710 [ 606.239692][ T10] netlink_sendmsg+0x723/0xbe0 [ 606.239692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 606.239692][ T10] ___sys_sendmsg+0xee/0x170 [ 606.239692][ T10] __sys_sendmsg+0xcd/0x170 [ 606.239692][ T10] do_syscall_64+0xc6/0x1e0 [ 606.239692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 606.239692][ T10] [ 615.722955][ T42] INFO: task modprobe:1062 blocked for more than 368 seconds. [ 615.723269][ T42] Not tainted 6.8.0-virtme #1 [ 615.723387][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 615.723619][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 615.723909][ T42] Call Trace: [ 615.724003][ T42] [ 615.724076][ T42] __schedule+0x705/0x1ac0 [ 615.724212][ T42] ? __pfx___schedule+0x10/0x10 [ 615.724335][ T42] ? schedule+0x1a5/0x210 [ 615.724431][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.724561][ T42] ? mark_lock+0x38/0x3e0 [ 615.724654][ T42] ? do_raw_spin_lock+0x131/0x270 [ 615.724779][ T42] ? schedule+0x1a5/0x210 [ 615.724888][ T42] schedule+0xdf/0x210 [ 615.724983][ T42] schedule_preempt_disabled+0x15/0x30 [ 615.725109][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 615.725236][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 615.725390][ T42] ? kasan_save_stack+0x34/0x50 [ 615.725523][ T42] ? kasan_save_stack+0x24/0x50 [ 615.725658][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 615.725791][ T42] ? lock_acquire+0x1c1/0x220 [ 615.725967][ T42] ? register_pernet_subsys+0x1a/0x50 [ 615.726102][ T42] down_write+0x1c9/0x200 [ 615.726205][ T42] ? __pfx_down_write+0x10/0x10 [ 615.726352][ T42] ? __pfx___lock_release+0x10/0x10 [ 615.726481][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 615.726683][ T42] register_pernet_subsys+0x1a/0x50 [ 615.726811][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 615.727013][ T42] do_one_initcall+0xc8/0x3f0 [ 615.727156][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 615.727282][ T42] ? __create_object+0x5e/0xb0 [ 615.727410][ T42] ? kasan_unpoison+0x27/0x60 [ 615.727539][ T42] do_init_module+0x233/0x740 [ 615.727670][ T42] load_module+0x16b5/0x2350 [ 615.727803][ T42] ? __pfx_load_module+0x10/0x10 [ 615.727953][ T42] ? kernel_read_file+0x3d2/0x520 [ 615.728083][ T42] ? kernel_read_file+0x300/0x520 [ 615.728209][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 615.728357][ T42] ? init_module_from_file+0xd2/0x130 [ 615.728481][ T42] init_module_from_file+0xd2/0x130 [ 615.728606][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 615.728781][ T42] ? __lock_release+0x103/0x460 [ 615.728944][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.729077][ T42] ? idempotent_init_module+0x32a/0x620 [ 615.729219][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 615.729345][ T42] idempotent_init_module+0x342/0x620 [ 615.729479][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 615.729687][ T42] __x64_sys_finit_module+0xbe/0x130 [ 615.729858][ T42] do_syscall_64+0xc6/0x1e0 [ 615.730025][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 615.730281][ T42] RIP: 0033:0x7f81e06dce5d [ 615.730471][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 615.730752][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 615.731036][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 615.731310][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 615.731569][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 615.731878][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 615.732206][ T42] [ 615.732345][ T42] [ 615.732345][ T42] Showing all locks held in the system: [ 615.732598][ T42] 3 locks held by kworker/u16:0/10: [ 615.732769][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.733158][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.733475][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 615.733803][ T42] 1 lock held by khungtaskd/42: [ 615.733991][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 615.734321][ T42] 2 locks held by kworker/u20:1/62: [ 615.734488][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 615.734862][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 615.735271][ T42] 1 lock held by modprobe/1062: [ 615.735448][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 615.735808][ T42] [ 615.735924][ T42] ============================================= [ 615.735924][ T42] [ 616.338934][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 616.339329][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 616.339329][ T10] netdev_get_by_index+0x5e/0x80 [ 616.339329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.339329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.339329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.339329][ T10] ipv6_add_addr+0x411/0x2000 [ 616.339329][ T10] inet6_addr_add+0x30e/0xa40 [ 616.339329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.339329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.339329][ T10] netlink_rcv_skb+0x130/0x360 [ 616.339329][ T10] netlink_unicast+0x449/0x710 [ 616.339329][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.339329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.339329][ T10] ___sys_sendmsg+0xee/0x170 [ 616.339329][ T10] __sys_sendmsg+0xcd/0x170 [ 616.339329][ T10] do_syscall_64+0xc6/0x1e0 [ 616.339329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.339329][ T10] [ 616.341343][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 616.341343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.341343][ T10] ipv6_find_idev+0x102/0x170 [ 616.341343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.341343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.341343][ T10] netlink_rcv_skb+0x130/0x360 [ 616.341343][ T10] netlink_unicast+0x449/0x710 [ 616.341343][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.341343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.341343][ T10] ___sys_sendmsg+0xee/0x170 [ 616.341343][ T10] __sys_sendmsg+0xcd/0x170 [ 616.341343][ T10] do_syscall_64+0xc6/0x1e0 [ 616.341343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.341343][ T10] [ 616.342872][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 616.342872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.342872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.342872][ T10] ipv6_find_idev+0x102/0x170 [ 616.342872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.342872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.342872][ T10] netlink_rcv_skb+0x130/0x360 [ 616.342872][ T10] netlink_unicast+0x449/0x710 [ 616.342872][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.342872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.342872][ T10] ___sys_sendmsg+0xee/0x170 [ 616.342872][ T10] __sys_sendmsg+0xcd/0x170 [ 616.342872][ T10] do_syscall_64+0xc6/0x1e0 [ 616.342872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.342872][ T10] [ 616.344541][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 616.344821][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 616.344821][ T10] netdev_get_by_index+0x5e/0x80 [ 616.344821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.344821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.344821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.344821][ T10] ipv6_add_addr+0x411/0x2000 [ 616.344821][ T10] inet6_addr_add+0x30e/0xa40 [ 616.344821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.344821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.344821][ T10] netlink_rcv_skb+0x130/0x360 [ 616.344821][ T10] netlink_unicast+0x449/0x710 [ 616.344821][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.344821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.344821][ T10] ___sys_sendmsg+0xee/0x170 [ 616.344821][ T10] __sys_sendmsg+0xcd/0x170 [ 616.344821][ T10] do_syscall_64+0xc6/0x1e0 [ 616.344821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.344821][ T10] [ 616.346828][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 616.346828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.346828][ T10] ipv6_find_idev+0x102/0x170 [ 616.346828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.346828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.346828][ T10] netlink_rcv_skb+0x130/0x360 [ 616.346828][ T10] netlink_unicast+0x449/0x710 [ 616.346828][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.346828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.346828][ T10] ___sys_sendmsg+0xee/0x170 [ 616.346828][ T10] __sys_sendmsg+0xcd/0x170 [ 616.346828][ T10] do_syscall_64+0xc6/0x1e0 [ 616.346828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.346828][ T10] [ 616.348350][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 616.348350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.348350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.348350][ T10] ipv6_find_idev+0x102/0x170 [ 616.348350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.348350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.348350][ T10] netlink_rcv_skb+0x130/0x360 [ 616.348350][ T10] netlink_unicast+0x449/0x710 [ 616.348350][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.348350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.348350][ T10] ___sys_sendmsg+0xee/0x170 [ 616.348350][ T10] __sys_sendmsg+0xcd/0x170 [ 616.348350][ T10] do_syscall_64+0xc6/0x1e0 [ 616.348350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.348350][ T10] [ 616.350009][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 616.350278][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 616.350278][ T10] netdev_get_by_index+0x5e/0x80 [ 616.350278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.350278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.350278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.350278][ T10] ipv6_add_addr+0x411/0x2000 [ 616.350278][ T10] inet6_addr_add+0x30e/0xa40 [ 616.350278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.350278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.350278][ T10] netlink_rcv_skb+0x130/0x360 [ 616.350278][ T10] netlink_unicast+0x449/0x710 [ 616.350278][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.350278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.350278][ T10] ___sys_sendmsg+0xee/0x170 [ 616.350278][ T10] __sys_sendmsg+0xcd/0x170 [ 616.350278][ T10] do_syscall_64+0xc6/0x1e0 [ 616.350278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.350278][ T10] [ 616.352275][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 616.352275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.352275][ T10] ipv6_find_idev+0x102/0x170 [ 616.352275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.352275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.352275][ T10] netlink_rcv_skb+0x130/0x360 [ 616.352275][ T10] netlink_unicast+0x449/0x710 [ 616.352275][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.352275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.352275][ T10] ___sys_sendmsg+0xee/0x170 [ 616.352275][ T10] __sys_sendmsg+0xcd/0x170 [ 616.352275][ T10] do_syscall_64+0xc6/0x1e0 [ 616.352275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.352275][ T10] [ 616.353800][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 616.353800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.353800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.353800][ T10] ipv6_find_idev+0x102/0x170 [ 616.353800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.353800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.353800][ T10] netlink_rcv_skb+0x130/0x360 [ 616.353800][ T10] netlink_unicast+0x449/0x710 [ 616.353800][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.353800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.353800][ T10] ___sys_sendmsg+0xee/0x170 [ 616.353800][ T10] __sys_sendmsg+0xcd/0x170 [ 616.353800][ T10] do_syscall_64+0xc6/0x1e0 [ 616.353800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.353800][ T10] [ 616.355482][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 616.355745][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 616.355745][ T10] netdev_get_by_index+0x5e/0x80 [ 616.355745][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.355745][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.355745][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.355745][ T10] ipv6_add_addr+0x411/0x2000 [ 616.355745][ T10] inet6_addr_add+0x30e/0xa40 [ 616.355745][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.355745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.355745][ T10] netlink_rcv_skb+0x130/0x360 [ 616.355745][ T10] netlink_unicast+0x449/0x710 [ 616.355745][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.355745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.355745][ T10] ___sys_sendmsg+0xee/0x170 [ 616.355745][ T10] __sys_sendmsg+0xcd/0x170 [ 616.355745][ T10] do_syscall_64+0xc6/0x1e0 [ 616.355745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.355745][ T10] [ 616.357718][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 616.357718][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.357718][ T10] ipv6_find_idev+0x102/0x170 [ 616.357718][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.357718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.357718][ T10] netlink_rcv_skb+0x130/0x360 [ 616.357718][ T10] netlink_unicast+0x449/0x710 [ 616.357718][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.357718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.357718][ T10] ___sys_sendmsg+0xee/0x170 [ 616.357718][ T10] __sys_sendmsg+0xcd/0x170 [ 616.357718][ T10] do_syscall_64+0xc6/0x1e0 [ 616.357718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.357718][ T10] [ 616.359280][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 616.359280][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.359280][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.359280][ T10] ipv6_find_idev+0x102/0x170 [ 616.359280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.359280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.359280][ T10] netlink_rcv_skb+0x130/0x360 [ 616.359280][ T10] netlink_unicast+0x449/0x710 [ 616.359280][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.359280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.359280][ T10] ___sys_sendmsg+0xee/0x170 [ 616.359280][ T10] __sys_sendmsg+0xcd/0x170 [ 616.359280][ T10] do_syscall_64+0xc6/0x1e0 [ 616.359280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.359280][ T10] [ 616.360976][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 616.361257][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 616.361257][ T10] netdev_get_by_index+0x5e/0x80 [ 616.361257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.361257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.361257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.361257][ T10] ipv6_add_addr+0x411/0x2000 [ 616.361257][ T10] inet6_addr_add+0x30e/0xa40 [ 616.361257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.361257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.361257][ T10] netlink_rcv_skb+0x130/0x360 [ 616.361257][ T10] netlink_unicast+0x449/0x710 [ 616.361257][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.361257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.361257][ T10] ___sys_sendmsg+0xee/0x170 [ 616.361257][ T10] __sys_sendmsg+0xcd/0x170 [ 616.361257][ T10] do_syscall_64+0xc6/0x1e0 [ 616.361257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.361257][ T10] [ 616.363337][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 616.363337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.363337][ T10] ipv6_find_idev+0x102/0x170 [ 616.363337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.363337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.363337][ T10] netlink_rcv_skb+0x130/0x360 [ 616.363337][ T10] netlink_unicast+0x449/0x710 [ 616.363337][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.363337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.363337][ T10] ___sys_sendmsg+0xee/0x170 [ 616.363337][ T10] __sys_sendmsg+0xcd/0x170 [ 616.363337][ T10] do_syscall_64+0xc6/0x1e0 [ 616.363337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.363337][ T10] [ 616.365009][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 616.365009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.365009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.365009][ T10] ipv6_find_idev+0x102/0x170 [ 616.365009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.365009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.365009][ T10] netlink_rcv_skb+0x130/0x360 [ 616.365009][ T10] netlink_unicast+0x449/0x710 [ 616.365009][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.365009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.365009][ T10] ___sys_sendmsg+0xee/0x170 [ 616.365009][ T10] __sys_sendmsg+0xcd/0x170 [ 616.365009][ T10] do_syscall_64+0xc6/0x1e0 [ 616.365009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.365009][ T10] [ 616.367028][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 616.367292][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 616.367292][ T10] netdev_get_by_index+0x5e/0x80 [ 616.367292][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.367292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.367292][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.367292][ T10] ipv6_add_addr+0x411/0x2000 [ 616.367292][ T10] inet6_addr_add+0x30e/0xa40 [ 616.367292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.367292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.367292][ T10] netlink_rcv_skb+0x130/0x360 [ 616.367292][ T10] netlink_unicast+0x449/0x710 [ 616.367292][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.367292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.367292][ T10] ___sys_sendmsg+0xee/0x170 [ 616.367292][ T10] __sys_sendmsg+0xcd/0x170 [ 616.367292][ T10] do_syscall_64+0xc6/0x1e0 [ 616.367292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.367292][ T10] [ 616.369565][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 616.369565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.369565][ T10] ipv6_find_idev+0x102/0x170 [ 616.369565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.369565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.369565][ T10] netlink_rcv_skb+0x130/0x360 [ 616.369565][ T10] netlink_unicast+0x449/0x710 [ 616.369565][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.369565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.369565][ T10] ___sys_sendmsg+0xee/0x170 [ 616.369565][ T10] __sys_sendmsg+0xcd/0x170 [ 616.369565][ T10] do_syscall_64+0xc6/0x1e0 [ 616.369565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.369565][ T10] [ 616.371342][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 616.371342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.371342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.371342][ T10] ipv6_find_idev+0x102/0x170 [ 616.371342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.371342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.371342][ T10] netlink_rcv_skb+0x130/0x360 [ 616.371342][ T10] netlink_unicast+0x449/0x710 [ 616.371342][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.371342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.371342][ T10] ___sys_sendmsg+0xee/0x170 [ 616.371342][ T10] __sys_sendmsg+0xcd/0x170 [ 616.371342][ T10] do_syscall_64+0xc6/0x1e0 [ 616.371342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.371342][ T10] [ 616.373278][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 616.373539][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 616.373539][ T10] netdev_get_by_index+0x5e/0x80 [ 616.373539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.373539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.373539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.373539][ T10] ipv6_add_addr+0x411/0x2000 [ 616.373539][ T10] inet6_addr_add+0x30e/0xa40 [ 616.373539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.373539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.373539][ T10] netlink_rcv_skb+0x130/0x360 [ 616.373539][ T10] netlink_unicast+0x449/0x710 [ 616.373539][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.373539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.373539][ T10] ___sys_sendmsg+0xee/0x170 [ 616.373539][ T10] __sys_sendmsg+0xcd/0x170 [ 616.373539][ T10] do_syscall_64+0xc6/0x1e0 [ 616.373539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.373539][ T10] [ 616.375692][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 616.375692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.375692][ T10] ipv6_find_idev+0x102/0x170 [ 616.375692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.375692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.375692][ T10] netlink_rcv_skb+0x130/0x360 [ 616.375692][ T10] netlink_unicast+0x449/0x710 [ 616.375692][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.375692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.375692][ T10] ___sys_sendmsg+0xee/0x170 [ 616.375692][ T10] __sys_sendmsg+0xcd/0x170 [ 616.375692][ T10] do_syscall_64+0xc6/0x1e0 [ 616.375692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.375692][ T10] [ 616.377391][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 616.377391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.377391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.377391][ T10] ipv6_find_idev+0x102/0x170 [ 616.377391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.377391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.377391][ T10] netlink_rcv_skb+0x130/0x360 [ 616.377391][ T10] netlink_unicast+0x449/0x710 [ 616.377391][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.377391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.377391][ T10] ___sys_sendmsg+0xee/0x170 [ 616.377391][ T10] __sys_sendmsg+0xcd/0x170 [ 616.377391][ T10] do_syscall_64+0xc6/0x1e0 [ 616.377391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.377391][ T10] [ 616.379405][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 616.379670][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 616.379670][ T10] netdev_get_by_index+0x5e/0x80 [ 616.379670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 616.379670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 616.379670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 616.379670][ T10] ipv6_add_addr+0x411/0x2000 [ 616.379670][ T10] inet6_addr_add+0x30e/0xa40 [ 616.379670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 616.379670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.379670][ T10] netlink_rcv_skb+0x130/0x360 [ 616.379670][ T10] netlink_unicast+0x449/0x710 [ 616.379670][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.379670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.379670][ T10] ___sys_sendmsg+0xee/0x170 [ 616.379670][ T10] __sys_sendmsg+0xcd/0x170 [ 616.379670][ T10] do_syscall_64+0xc6/0x1e0 [ 616.379670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.379670][ T10] [ 616.381874][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 616.381874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 616.381874][ T10] ipv6_find_idev+0x102/0x170 [ 616.381874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.381874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.381874][ T10] netlink_rcv_skb+0x130/0x360 [ 616.381874][ T10] netlink_unicast+0x449/0x710 [ 616.381874][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.381874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.381874][ T10] ___sys_sendmsg+0xee/0x170 [ 616.381874][ T10] __sys_sendmsg+0xcd/0x170 [ 616.381874][ T10] do_syscall_64+0xc6/0x1e0 [ 616.381874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.381874][ T10] [ 616.383590][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 616.383590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 616.383590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 616.383590][ T10] ipv6_find_idev+0x102/0x170 [ 616.383590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 616.383590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 616.383590][ T10] netlink_rcv_skb+0x130/0x360 [ 616.383590][ T10] netlink_unicast+0x449/0x710 [ 616.383590][ T10] netlink_sendmsg+0x723/0xbe0 [ 616.383590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 616.383590][ T10] ___sys_sendmsg+0xee/0x170 [ 616.383590][ T10] __sys_sendmsg+0xcd/0x170 [ 616.383590][ T10] do_syscall_64+0xc6/0x1e0 [ 616.383590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 616.383590][ T10] [ 626.434947][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 626.435348][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 626.435348][ T10] netdev_get_by_index+0x5e/0x80 [ 626.435348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.435348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.435348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.435348][ T10] ipv6_add_addr+0x411/0x2000 [ 626.435348][ T10] inet6_addr_add+0x30e/0xa40 [ 626.435348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.435348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.435348][ T10] netlink_rcv_skb+0x130/0x360 [ 626.435348][ T10] netlink_unicast+0x449/0x710 [ 626.435348][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.435348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.435348][ T10] ___sys_sendmsg+0xee/0x170 [ 626.435348][ T10] __sys_sendmsg+0xcd/0x170 [ 626.435348][ T10] do_syscall_64+0xc6/0x1e0 [ 626.435348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.435348][ T10] [ 626.437773][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 626.437773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.437773][ T10] ipv6_find_idev+0x102/0x170 [ 626.437773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.437773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.437773][ T10] netlink_rcv_skb+0x130/0x360 [ 626.437773][ T10] netlink_unicast+0x449/0x710 [ 626.437773][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.437773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.437773][ T10] ___sys_sendmsg+0xee/0x170 [ 626.437773][ T10] __sys_sendmsg+0xcd/0x170 [ 626.437773][ T10] do_syscall_64+0xc6/0x1e0 [ 626.437773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.437773][ T10] [ 626.439305][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 626.439305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.439305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.439305][ T10] ipv6_find_idev+0x102/0x170 [ 626.439305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.439305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.439305][ T10] netlink_rcv_skb+0x130/0x360 [ 626.439305][ T10] netlink_unicast+0x449/0x710 [ 626.439305][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.439305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.439305][ T10] ___sys_sendmsg+0xee/0x170 [ 626.439305][ T10] __sys_sendmsg+0xcd/0x170 [ 626.439305][ T10] do_syscall_64+0xc6/0x1e0 [ 626.439305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.439305][ T10] [ 626.441041][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 626.441313][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 626.441313][ T10] netdev_get_by_index+0x5e/0x80 [ 626.441313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.441313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.441313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.441313][ T10] ipv6_add_addr+0x411/0x2000 [ 626.441313][ T10] inet6_addr_add+0x30e/0xa40 [ 626.441313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.441313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.441313][ T10] netlink_rcv_skb+0x130/0x360 [ 626.441313][ T10] netlink_unicast+0x449/0x710 [ 626.441313][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.441313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.441313][ T10] ___sys_sendmsg+0xee/0x170 [ 626.441313][ T10] __sys_sendmsg+0xcd/0x170 [ 626.441313][ T10] do_syscall_64+0xc6/0x1e0 [ 626.441313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.441313][ T10] [ 626.443300][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 626.443300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.443300][ T10] ipv6_find_idev+0x102/0x170 [ 626.443300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.443300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.443300][ T10] netlink_rcv_skb+0x130/0x360 [ 626.443300][ T10] netlink_unicast+0x449/0x710 [ 626.443300][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.443300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.443300][ T10] ___sys_sendmsg+0xee/0x170 [ 626.443300][ T10] __sys_sendmsg+0xcd/0x170 [ 626.443300][ T10] do_syscall_64+0xc6/0x1e0 [ 626.443300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.443300][ T10] [ 626.445061][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 626.445061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.445061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.445061][ T10] ipv6_find_idev+0x102/0x170 [ 626.445061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.445061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.445061][ T10] netlink_rcv_skb+0x130/0x360 [ 626.445061][ T10] netlink_unicast+0x449/0x710 [ 626.445061][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.445061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.445061][ T10] ___sys_sendmsg+0xee/0x170 [ 626.445061][ T10] __sys_sendmsg+0xcd/0x170 [ 626.445061][ T10] do_syscall_64+0xc6/0x1e0 [ 626.445061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.445061][ T10] [ 626.447570][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 626.447958][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 626.447958][ T10] netdev_get_by_index+0x5e/0x80 [ 626.447958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.447958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.447958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.447958][ T10] ipv6_add_addr+0x411/0x2000 [ 626.447958][ T10] inet6_addr_add+0x30e/0xa40 [ 626.447958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.447958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.447958][ T10] netlink_rcv_skb+0x130/0x360 [ 626.447958][ T10] netlink_unicast+0x449/0x710 [ 626.447958][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.447958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.447958][ T10] ___sys_sendmsg+0xee/0x170 [ 626.447958][ T10] __sys_sendmsg+0xcd/0x170 [ 626.447958][ T10] do_syscall_64+0xc6/0x1e0 [ 626.447958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.447958][ T10] [ 626.450990][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 626.450990][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.450990][ T10] ipv6_find_idev+0x102/0x170 [ 626.450990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.450990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.450990][ T10] netlink_rcv_skb+0x130/0x360 [ 626.450990][ T10] netlink_unicast+0x449/0x710 [ 626.450990][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.450990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.450990][ T10] ___sys_sendmsg+0xee/0x170 [ 626.450990][ T10] __sys_sendmsg+0xcd/0x170 [ 626.450990][ T10] do_syscall_64+0xc6/0x1e0 [ 626.450990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.450990][ T10] [ 626.453311][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 626.453311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.453311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.453311][ T10] ipv6_find_idev+0x102/0x170 [ 626.453311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.453311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.453311][ T10] netlink_rcv_skb+0x130/0x360 [ 626.453311][ T10] netlink_unicast+0x449/0x710 [ 626.453311][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.453311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.453311][ T10] ___sys_sendmsg+0xee/0x170 [ 626.453311][ T10] __sys_sendmsg+0xcd/0x170 [ 626.453311][ T10] do_syscall_64+0xc6/0x1e0 [ 626.453311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.453311][ T10] [ 626.455961][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 626.456391][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 626.456391][ T10] netdev_get_by_index+0x5e/0x80 [ 626.456391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.456391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.456391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.456391][ T10] ipv6_add_addr+0x411/0x2000 [ 626.456391][ T10] inet6_addr_add+0x30e/0xa40 [ 626.456391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.456391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.456391][ T10] netlink_rcv_skb+0x130/0x360 [ 626.456391][ T10] netlink_unicast+0x449/0x710 [ 626.456391][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.456391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.456391][ T10] ___sys_sendmsg+0xee/0x170 [ 626.456391][ T10] __sys_sendmsg+0xcd/0x170 [ 626.456391][ T10] do_syscall_64+0xc6/0x1e0 [ 626.456391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.456391][ T10] [ 626.459537][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 626.459537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.459537][ T10] ipv6_find_idev+0x102/0x170 [ 626.459537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.459537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.459537][ T10] netlink_rcv_skb+0x130/0x360 [ 626.459537][ T10] netlink_unicast+0x449/0x710 [ 626.459537][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.459537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.459537][ T10] ___sys_sendmsg+0xee/0x170 [ 626.459537][ T10] __sys_sendmsg+0xcd/0x170 [ 626.459537][ T10] do_syscall_64+0xc6/0x1e0 [ 626.459537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.459537][ T10] [ 626.461926][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 626.461926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.461926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.461926][ T10] ipv6_find_idev+0x102/0x170 [ 626.461926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.461926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.461926][ T10] netlink_rcv_skb+0x130/0x360 [ 626.461926][ T10] netlink_unicast+0x449/0x710 [ 626.461926][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.461926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.461926][ T10] ___sys_sendmsg+0xee/0x170 [ 626.461926][ T10] __sys_sendmsg+0xcd/0x170 [ 626.461926][ T10] do_syscall_64+0xc6/0x1e0 [ 626.461926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.461926][ T10] [ 626.465195][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 626.465601][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 626.465601][ T10] netdev_get_by_index+0x5e/0x80 [ 626.465601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.465601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.465601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.465601][ T10] ipv6_add_addr+0x411/0x2000 [ 626.465601][ T10] inet6_addr_add+0x30e/0xa40 [ 626.465601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.465601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.465601][ T10] netlink_rcv_skb+0x130/0x360 [ 626.465601][ T10] netlink_unicast+0x449/0x710 [ 626.465601][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.465601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.465601][ T10] ___sys_sendmsg+0xee/0x170 [ 626.465601][ T10] __sys_sendmsg+0xcd/0x170 [ 626.465601][ T10] do_syscall_64+0xc6/0x1e0 [ 626.465601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.465601][ T10] [ 626.468588][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 626.468588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.468588][ T10] ipv6_find_idev+0x102/0x170 [ 626.468588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.468588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.468588][ T10] netlink_rcv_skb+0x130/0x360 [ 626.468588][ T10] netlink_unicast+0x449/0x710 [ 626.468588][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.468588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.468588][ T10] ___sys_sendmsg+0xee/0x170 [ 626.468588][ T10] __sys_sendmsg+0xcd/0x170 [ 626.468588][ T10] do_syscall_64+0xc6/0x1e0 [ 626.468588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.468588][ T10] [ 626.471050][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 626.471050][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.471050][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.471050][ T10] ipv6_find_idev+0x102/0x170 [ 626.471050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.471050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.471050][ T10] netlink_rcv_skb+0x130/0x360 [ 626.471050][ T10] netlink_unicast+0x449/0x710 [ 626.471050][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.471050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.471050][ T10] ___sys_sendmsg+0xee/0x170 [ 626.471050][ T10] __sys_sendmsg+0xcd/0x170 [ 626.471050][ T10] do_syscall_64+0xc6/0x1e0 [ 626.471050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.471050][ T10] [ 626.473703][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 626.474210][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 626.474210][ T10] netdev_get_by_index+0x5e/0x80 [ 626.474210][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.474210][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.474210][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.474210][ T10] ipv6_add_addr+0x411/0x2000 [ 626.474210][ T10] inet6_addr_add+0x30e/0xa40 [ 626.474210][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.474210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.474210][ T10] netlink_rcv_skb+0x130/0x360 [ 626.474210][ T10] netlink_unicast+0x449/0x710 [ 626.474210][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.474210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.474210][ T10] ___sys_sendmsg+0xee/0x170 [ 626.474210][ T10] __sys_sendmsg+0xcd/0x170 [ 626.474210][ T10] do_syscall_64+0xc6/0x1e0 [ 626.474210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.474210][ T10] [ 626.477534][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 626.477534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.477534][ T10] ipv6_find_idev+0x102/0x170 [ 626.477534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.477534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.477534][ T10] netlink_rcv_skb+0x130/0x360 [ 626.477534][ T10] netlink_unicast+0x449/0x710 [ 626.477534][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.477534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.477534][ T10] ___sys_sendmsg+0xee/0x170 [ 626.477534][ T10] __sys_sendmsg+0xcd/0x170 [ 626.477534][ T10] do_syscall_64+0xc6/0x1e0 [ 626.477534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.477534][ T10] [ 626.480358][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 626.480358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.480358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.480358][ T10] ipv6_find_idev+0x102/0x170 [ 626.480358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.480358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.480358][ T10] netlink_rcv_skb+0x130/0x360 [ 626.480358][ T10] netlink_unicast+0x449/0x710 [ 626.480358][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.480358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.480358][ T10] ___sys_sendmsg+0xee/0x170 [ 626.480358][ T10] __sys_sendmsg+0xcd/0x170 [ 626.480358][ T10] do_syscall_64+0xc6/0x1e0 [ 626.480358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.480358][ T10] [ 626.483334][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 626.483746][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 626.483746][ T10] netdev_get_by_index+0x5e/0x80 [ 626.483746][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.483746][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.483746][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.483746][ T10] ipv6_add_addr+0x411/0x2000 [ 626.483746][ T10] inet6_addr_add+0x30e/0xa40 [ 626.483746][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.483746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.483746][ T10] netlink_rcv_skb+0x130/0x360 [ 626.483746][ T10] netlink_unicast+0x449/0x710 [ 626.483746][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.483746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.483746][ T10] ___sys_sendmsg+0xee/0x170 [ 626.483746][ T10] __sys_sendmsg+0xcd/0x170 [ 626.483746][ T10] do_syscall_64+0xc6/0x1e0 [ 626.483746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.483746][ T10] [ 626.487268][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 626.487268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.487268][ T10] ipv6_find_idev+0x102/0x170 [ 626.487268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.487268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.487268][ T10] netlink_rcv_skb+0x130/0x360 [ 626.487268][ T10] netlink_unicast+0x449/0x710 [ 626.487268][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.487268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.487268][ T10] ___sys_sendmsg+0xee/0x170 [ 626.487268][ T10] __sys_sendmsg+0xcd/0x170 [ 626.487268][ T10] do_syscall_64+0xc6/0x1e0 [ 626.487268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.487268][ T10] [ 626.490101][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 626.490101][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.490101][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.490101][ T10] ipv6_find_idev+0x102/0x170 [ 626.490101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.490101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.490101][ T10] netlink_rcv_skb+0x130/0x360 [ 626.490101][ T10] netlink_unicast+0x449/0x710 [ 626.490101][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.490101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.490101][ T10] ___sys_sendmsg+0xee/0x170 [ 626.490101][ T10] __sys_sendmsg+0xcd/0x170 [ 626.490101][ T10] do_syscall_64+0xc6/0x1e0 [ 626.490101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.490101][ T10] [ 626.493228][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 626.493632][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 626.493632][ T10] netdev_get_by_index+0x5e/0x80 [ 626.493632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 626.493632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 626.493632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 626.493632][ T10] ipv6_add_addr+0x411/0x2000 [ 626.493632][ T10] inet6_addr_add+0x30e/0xa40 [ 626.493632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 626.493632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.493632][ T10] netlink_rcv_skb+0x130/0x360 [ 626.493632][ T10] netlink_unicast+0x449/0x710 [ 626.493632][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.493632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.493632][ T10] ___sys_sendmsg+0xee/0x170 [ 626.493632][ T10] __sys_sendmsg+0xcd/0x170 [ 626.493632][ T10] do_syscall_64+0xc6/0x1e0 [ 626.493632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.493632][ T10] [ 626.497679][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 626.497679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 626.497679][ T10] ipv6_find_idev+0x102/0x170 [ 626.497679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.497679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.497679][ T10] netlink_rcv_skb+0x130/0x360 [ 626.497679][ T10] netlink_unicast+0x449/0x710 [ 626.497679][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.497679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.497679][ T10] ___sys_sendmsg+0xee/0x170 [ 626.497679][ T10] __sys_sendmsg+0xcd/0x170 [ 626.497679][ T10] do_syscall_64+0xc6/0x1e0 [ 626.497679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.497679][ T10] [ 626.500440][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 626.500440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 626.500440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 626.500440][ T10] ipv6_find_idev+0x102/0x170 [ 626.500440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 626.500440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 626.500440][ T10] netlink_rcv_skb+0x130/0x360 [ 626.500440][ T10] netlink_unicast+0x449/0x710 [ 626.500440][ T10] netlink_sendmsg+0x723/0xbe0 [ 626.500440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 626.500440][ T10] ___sys_sendmsg+0xee/0x170 [ 626.500440][ T10] __sys_sendmsg+0xcd/0x170 [ 626.500440][ T10] do_syscall_64+0xc6/0x1e0 [ 626.500440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 626.500440][ T10] [ 636.634959][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 636.635370][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 636.635370][ T10] netdev_get_by_index+0x5e/0x80 [ 636.635370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.635370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.635370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.635370][ T10] ipv6_add_addr+0x411/0x2000 [ 636.635370][ T10] inet6_addr_add+0x30e/0xa40 [ 636.635370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.635370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.635370][ T10] netlink_rcv_skb+0x130/0x360 [ 636.635370][ T10] netlink_unicast+0x449/0x710 [ 636.635370][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.635370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.635370][ T10] ___sys_sendmsg+0xee/0x170 [ 636.635370][ T10] __sys_sendmsg+0xcd/0x170 [ 636.635370][ T10] do_syscall_64+0xc6/0x1e0 [ 636.635370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.635370][ T10] [ 636.637515][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 636.637515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.637515][ T10] ipv6_find_idev+0x102/0x170 [ 636.637515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.637515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.637515][ T10] netlink_rcv_skb+0x130/0x360 [ 636.637515][ T10] netlink_unicast+0x449/0x710 [ 636.637515][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.637515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.637515][ T10] ___sys_sendmsg+0xee/0x170 [ 636.637515][ T10] __sys_sendmsg+0xcd/0x170 [ 636.637515][ T10] do_syscall_64+0xc6/0x1e0 [ 636.637515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.637515][ T10] [ 636.639110][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 636.639110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.639110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.639110][ T10] ipv6_find_idev+0x102/0x170 [ 636.639110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.639110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.639110][ T10] netlink_rcv_skb+0x130/0x360 [ 636.639110][ T10] netlink_unicast+0x449/0x710 [ 636.639110][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.639110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.639110][ T10] ___sys_sendmsg+0xee/0x170 [ 636.639110][ T10] __sys_sendmsg+0xcd/0x170 [ 636.639110][ T10] do_syscall_64+0xc6/0x1e0 [ 636.639110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.639110][ T10] [ 636.640826][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 636.641115][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 636.641115][ T10] netdev_get_by_index+0x5e/0x80 [ 636.641115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.641115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.641115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.641115][ T10] ipv6_add_addr+0x411/0x2000 [ 636.641115][ T10] inet6_addr_add+0x30e/0xa40 [ 636.641115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.641115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.641115][ T10] netlink_rcv_skb+0x130/0x360 [ 636.641115][ T10] netlink_unicast+0x449/0x710 [ 636.641115][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.641115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.641115][ T10] ___sys_sendmsg+0xee/0x170 [ 636.641115][ T10] __sys_sendmsg+0xcd/0x170 [ 636.641115][ T10] do_syscall_64+0xc6/0x1e0 [ 636.641115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.641115][ T10] [ 636.643137][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 636.643137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.643137][ T10] ipv6_find_idev+0x102/0x170 [ 636.643137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.643137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.643137][ T10] netlink_rcv_skb+0x130/0x360 [ 636.643137][ T10] netlink_unicast+0x449/0x710 [ 636.643137][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.643137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.643137][ T10] ___sys_sendmsg+0xee/0x170 [ 636.643137][ T10] __sys_sendmsg+0xcd/0x170 [ 636.643137][ T10] do_syscall_64+0xc6/0x1e0 [ 636.643137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.643137][ T10] [ 636.644752][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 636.644752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.644752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.644752][ T10] ipv6_find_idev+0x102/0x170 [ 636.644752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.644752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.644752][ T10] netlink_rcv_skb+0x130/0x360 [ 636.644752][ T10] netlink_unicast+0x449/0x710 [ 636.644752][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.644752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.644752][ T10] ___sys_sendmsg+0xee/0x170 [ 636.644752][ T10] __sys_sendmsg+0xcd/0x170 [ 636.644752][ T10] do_syscall_64+0xc6/0x1e0 [ 636.644752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.644752][ T10] [ 636.646546][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 636.646815][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 636.646815][ T10] netdev_get_by_index+0x5e/0x80 [ 636.646815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.646815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.646815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.646815][ T10] ipv6_add_addr+0x411/0x2000 [ 636.646815][ T10] inet6_addr_add+0x30e/0xa40 [ 636.646815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.646815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.646815][ T10] netlink_rcv_skb+0x130/0x360 [ 636.646815][ T10] netlink_unicast+0x449/0x710 [ 636.646815][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.646815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.646815][ T10] ___sys_sendmsg+0xee/0x170 [ 636.646815][ T10] __sys_sendmsg+0xcd/0x170 [ 636.646815][ T10] do_syscall_64+0xc6/0x1e0 [ 636.646815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.646815][ T10] [ 636.648880][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 636.648880][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.648880][ T10] ipv6_find_idev+0x102/0x170 [ 636.648880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.648880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.648880][ T10] netlink_rcv_skb+0x130/0x360 [ 636.648880][ T10] netlink_unicast+0x449/0x710 [ 636.648880][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.648880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.648880][ T10] ___sys_sendmsg+0xee/0x170 [ 636.648880][ T10] __sys_sendmsg+0xcd/0x170 [ 636.648880][ T10] do_syscall_64+0xc6/0x1e0 [ 636.648880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.648880][ T10] [ 636.650452][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 636.650452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.650452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.650452][ T10] ipv6_find_idev+0x102/0x170 [ 636.650452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.650452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.650452][ T10] netlink_rcv_skb+0x130/0x360 [ 636.650452][ T10] netlink_unicast+0x449/0x710 [ 636.650452][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.650452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.650452][ T10] ___sys_sendmsg+0xee/0x170 [ 636.650452][ T10] __sys_sendmsg+0xcd/0x170 [ 636.650452][ T10] do_syscall_64+0xc6/0x1e0 [ 636.650452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.650452][ T10] [ 636.652135][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 636.652405][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 636.652405][ T10] netdev_get_by_index+0x5e/0x80 [ 636.652405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.652405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.652405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.652405][ T10] ipv6_add_addr+0x411/0x2000 [ 636.652405][ T10] inet6_addr_add+0x30e/0xa40 [ 636.652405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.652405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.652405][ T10] netlink_rcv_skb+0x130/0x360 [ 636.652405][ T10] netlink_unicast+0x449/0x710 [ 636.652405][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.652405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.652405][ T10] ___sys_sendmsg+0xee/0x170 [ 636.652405][ T10] __sys_sendmsg+0xcd/0x170 [ 636.652405][ T10] do_syscall_64+0xc6/0x1e0 [ 636.652405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.652405][ T10] [ 636.654522][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 636.654522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.654522][ T10] ipv6_find_idev+0x102/0x170 [ 636.654522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.654522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.654522][ T10] netlink_rcv_skb+0x130/0x360 [ 636.654522][ T10] netlink_unicast+0x449/0x710 [ 636.654522][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.654522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.654522][ T10] ___sys_sendmsg+0xee/0x170 [ 636.654522][ T10] __sys_sendmsg+0xcd/0x170 [ 636.654522][ T10] do_syscall_64+0xc6/0x1e0 [ 636.654522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.654522][ T10] [ 636.656096][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 636.656096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.656096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.656096][ T10] ipv6_find_idev+0x102/0x170 [ 636.656096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.656096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.656096][ T10] netlink_rcv_skb+0x130/0x360 [ 636.656096][ T10] netlink_unicast+0x449/0x710 [ 636.656096][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.656096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.656096][ T10] ___sys_sendmsg+0xee/0x170 [ 636.656096][ T10] __sys_sendmsg+0xcd/0x170 [ 636.656096][ T10] do_syscall_64+0xc6/0x1e0 [ 636.656096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.656096][ T10] [ 636.658209][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 636.658806][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 636.658806][ T10] netdev_get_by_index+0x5e/0x80 [ 636.658806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.658806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.658806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.658806][ T10] ipv6_add_addr+0x411/0x2000 [ 636.658806][ T10] inet6_addr_add+0x30e/0xa40 [ 636.658806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.658806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.658806][ T10] netlink_rcv_skb+0x130/0x360 [ 636.658806][ T10] netlink_unicast+0x449/0x710 [ 636.658806][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.658806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.658806][ T10] ___sys_sendmsg+0xee/0x170 [ 636.658806][ T10] __sys_sendmsg+0xcd/0x170 [ 636.658806][ T10] do_syscall_64+0xc6/0x1e0 [ 636.658806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.658806][ T10] [ 636.660793][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 636.660793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.660793][ T10] ipv6_find_idev+0x102/0x170 [ 636.660793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.660793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.660793][ T10] netlink_rcv_skb+0x130/0x360 [ 636.660793][ T10] netlink_unicast+0x449/0x710 [ 636.660793][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.660793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.660793][ T10] ___sys_sendmsg+0xee/0x170 [ 636.660793][ T10] __sys_sendmsg+0xcd/0x170 [ 636.660793][ T10] do_syscall_64+0xc6/0x1e0 [ 636.660793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.660793][ T10] [ 636.662324][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 636.662324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.662324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.662324][ T10] ipv6_find_idev+0x102/0x170 [ 636.662324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.662324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.662324][ T10] netlink_rcv_skb+0x130/0x360 [ 636.662324][ T10] netlink_unicast+0x449/0x710 [ 636.662324][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.662324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.662324][ T10] ___sys_sendmsg+0xee/0x170 [ 636.662324][ T10] __sys_sendmsg+0xcd/0x170 [ 636.662324][ T10] do_syscall_64+0xc6/0x1e0 [ 636.662324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.662324][ T10] [ 636.664009][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 636.664278][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 636.664278][ T10] netdev_get_by_index+0x5e/0x80 [ 636.664278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.664278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.664278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.664278][ T10] ipv6_add_addr+0x411/0x2000 [ 636.664278][ T10] inet6_addr_add+0x30e/0xa40 [ 636.664278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.664278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.664278][ T10] netlink_rcv_skb+0x130/0x360 [ 636.664278][ T10] netlink_unicast+0x449/0x710 [ 636.664278][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.664278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.664278][ T10] ___sys_sendmsg+0xee/0x170 [ 636.664278][ T10] __sys_sendmsg+0xcd/0x170 [ 636.664278][ T10] do_syscall_64+0xc6/0x1e0 [ 636.664278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.664278][ T10] [ 636.666265][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 636.666265][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.666265][ T10] ipv6_find_idev+0x102/0x170 [ 636.666265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.666265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.666265][ T10] netlink_rcv_skb+0x130/0x360 [ 636.666265][ T10] netlink_unicast+0x449/0x710 [ 636.666265][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.666265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.666265][ T10] ___sys_sendmsg+0xee/0x170 [ 636.666265][ T10] __sys_sendmsg+0xcd/0x170 [ 636.666265][ T10] do_syscall_64+0xc6/0x1e0 [ 636.666265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.666265][ T10] [ 636.667985][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 636.667985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.667985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.667985][ T10] ipv6_find_idev+0x102/0x170 [ 636.667985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.667985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.667985][ T10] netlink_rcv_skb+0x130/0x360 [ 636.667985][ T10] netlink_unicast+0x449/0x710 [ 636.667985][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.667985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.667985][ T10] ___sys_sendmsg+0xee/0x170 [ 636.667985][ T10] __sys_sendmsg+0xcd/0x170 [ 636.667985][ T10] do_syscall_64+0xc6/0x1e0 [ 636.667985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.667985][ T10] [ 636.670173][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 636.670560][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 636.670560][ T10] netdev_get_by_index+0x5e/0x80 [ 636.670560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.670560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.670560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.670560][ T10] ipv6_add_addr+0x411/0x2000 [ 636.670560][ T10] inet6_addr_add+0x30e/0xa40 [ 636.670560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.670560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.670560][ T10] netlink_rcv_skb+0x130/0x360 [ 636.670560][ T10] netlink_unicast+0x449/0x710 [ 636.670560][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.670560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.670560][ T10] ___sys_sendmsg+0xee/0x170 [ 636.670560][ T10] __sys_sendmsg+0xcd/0x170 [ 636.670560][ T10] do_syscall_64+0xc6/0x1e0 [ 636.670560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.670560][ T10] [ 636.672928][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 636.672928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.672928][ T10] ipv6_find_idev+0x102/0x170 [ 636.672928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.672928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.672928][ T10] netlink_rcv_skb+0x130/0x360 [ 636.672928][ T10] netlink_unicast+0x449/0x710 [ 636.672928][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.672928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.672928][ T10] ___sys_sendmsg+0xee/0x170 [ 636.672928][ T10] __sys_sendmsg+0xcd/0x170 [ 636.672928][ T10] do_syscall_64+0xc6/0x1e0 [ 636.672928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.672928][ T10] [ 636.674766][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 636.674766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.674766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.674766][ T10] ipv6_find_idev+0x102/0x170 [ 636.674766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.674766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.674766][ T10] netlink_rcv_skb+0x130/0x360 [ 636.674766][ T10] netlink_unicast+0x449/0x710 [ 636.674766][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.674766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.674766][ T10] ___sys_sendmsg+0xee/0x170 [ 636.674766][ T10] __sys_sendmsg+0xcd/0x170 [ 636.674766][ T10] do_syscall_64+0xc6/0x1e0 [ 636.674766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.674766][ T10] [ 636.676795][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 636.677149][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 636.677149][ T10] netdev_get_by_index+0x5e/0x80 [ 636.677149][ T10] fib6_nh_init+0x3d8/0x15b0 [ 636.677149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 636.677149][ T10] addrconf_f6i_alloc+0x244/0x410 [ 636.677149][ T10] ipv6_add_addr+0x411/0x2000 [ 636.677149][ T10] inet6_addr_add+0x30e/0xa40 [ 636.677149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 636.677149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.677149][ T10] netlink_rcv_skb+0x130/0x360 [ 636.677149][ T10] netlink_unicast+0x449/0x710 [ 636.677149][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.677149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.677149][ T10] ___sys_sendmsg+0xee/0x170 [ 636.677149][ T10] __sys_sendmsg+0xcd/0x170 [ 636.677149][ T10] do_syscall_64+0xc6/0x1e0 [ 636.677149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.677149][ T10] [ 636.679964][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 636.679964][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 636.679964][ T10] ipv6_find_idev+0x102/0x170 [ 636.679964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.679964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.679964][ T10] netlink_rcv_skb+0x130/0x360 [ 636.679964][ T10] netlink_unicast+0x449/0x710 [ 636.679964][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.679964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.679964][ T10] ___sys_sendmsg+0xee/0x170 [ 636.679964][ T10] __sys_sendmsg+0xcd/0x170 [ 636.679964][ T10] do_syscall_64+0xc6/0x1e0 [ 636.679964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.679964][ T10] [ 636.681777][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 636.681777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 636.681777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 636.681777][ T10] ipv6_find_idev+0x102/0x170 [ 636.681777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 636.681777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 636.681777][ T10] netlink_rcv_skb+0x130/0x360 [ 636.681777][ T10] netlink_unicast+0x449/0x710 [ 636.681777][ T10] netlink_sendmsg+0x723/0xbe0 [ 636.681777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 636.681777][ T10] ___sys_sendmsg+0xee/0x170 [ 636.681777][ T10] __sys_sendmsg+0xcd/0x170 [ 636.681777][ T10] do_syscall_64+0xc6/0x1e0 [ 636.681777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 636.681777][ T10] [ 646.914901][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 646.915292][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 646.915292][ T10] netdev_get_by_index+0x5e/0x80 [ 646.915292][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.915292][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.915292][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.915292][ T10] ipv6_add_addr+0x411/0x2000 [ 646.915292][ T10] inet6_addr_add+0x30e/0xa40 [ 646.915292][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.915292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.915292][ T10] netlink_rcv_skb+0x130/0x360 [ 646.915292][ T10] netlink_unicast+0x449/0x710 [ 646.915292][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.915292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.915292][ T10] ___sys_sendmsg+0xee/0x170 [ 646.915292][ T10] __sys_sendmsg+0xcd/0x170 [ 646.915292][ T10] do_syscall_64+0xc6/0x1e0 [ 646.915292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.915292][ T10] [ 646.917324][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 646.917324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.917324][ T10] ipv6_find_idev+0x102/0x170 [ 646.917324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.917324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.917324][ T10] netlink_rcv_skb+0x130/0x360 [ 646.917324][ T10] netlink_unicast+0x449/0x710 [ 646.917324][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.917324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.917324][ T10] ___sys_sendmsg+0xee/0x170 [ 646.917324][ T10] __sys_sendmsg+0xcd/0x170 [ 646.917324][ T10] do_syscall_64+0xc6/0x1e0 [ 646.917324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.917324][ T10] [ 646.918859][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 646.918859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.918859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.918859][ T10] ipv6_find_idev+0x102/0x170 [ 646.918859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.918859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.918859][ T10] netlink_rcv_skb+0x130/0x360 [ 646.918859][ T10] netlink_unicast+0x449/0x710 [ 646.918859][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.918859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.918859][ T10] ___sys_sendmsg+0xee/0x170 [ 646.918859][ T10] __sys_sendmsg+0xcd/0x170 [ 646.918859][ T10] do_syscall_64+0xc6/0x1e0 [ 646.918859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.918859][ T10] [ 646.920545][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 646.920815][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 646.920815][ T10] netdev_get_by_index+0x5e/0x80 [ 646.920815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.920815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.920815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.920815][ T10] ipv6_add_addr+0x411/0x2000 [ 646.920815][ T10] inet6_addr_add+0x30e/0xa40 [ 646.920815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.920815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.920815][ T10] netlink_rcv_skb+0x130/0x360 [ 646.920815][ T10] netlink_unicast+0x449/0x710 [ 646.920815][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.920815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.920815][ T10] ___sys_sendmsg+0xee/0x170 [ 646.920815][ T10] __sys_sendmsg+0xcd/0x170 [ 646.920815][ T10] do_syscall_64+0xc6/0x1e0 [ 646.920815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.920815][ T10] [ 646.922798][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 646.922798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.922798][ T10] ipv6_find_idev+0x102/0x170 [ 646.922798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.922798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.922798][ T10] netlink_rcv_skb+0x130/0x360 [ 646.922798][ T10] netlink_unicast+0x449/0x710 [ 646.922798][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.922798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.922798][ T10] ___sys_sendmsg+0xee/0x170 [ 646.922798][ T10] __sys_sendmsg+0xcd/0x170 [ 646.922798][ T10] do_syscall_64+0xc6/0x1e0 [ 646.922798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.922798][ T10] [ 646.924329][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 646.924329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.924329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.924329][ T10] ipv6_find_idev+0x102/0x170 [ 646.924329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.924329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.924329][ T10] netlink_rcv_skb+0x130/0x360 [ 646.924329][ T10] netlink_unicast+0x449/0x710 [ 646.924329][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.924329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.924329][ T10] ___sys_sendmsg+0xee/0x170 [ 646.924329][ T10] __sys_sendmsg+0xcd/0x170 [ 646.924329][ T10] do_syscall_64+0xc6/0x1e0 [ 646.924329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.924329][ T10] [ 646.925995][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 646.926256][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 646.926256][ T10] netdev_get_by_index+0x5e/0x80 [ 646.926256][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.926256][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.926256][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.926256][ T10] ipv6_add_addr+0x411/0x2000 [ 646.926256][ T10] inet6_addr_add+0x30e/0xa40 [ 646.926256][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.926256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.926256][ T10] netlink_rcv_skb+0x130/0x360 [ 646.926256][ T10] netlink_unicast+0x449/0x710 [ 646.926256][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.926256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.926256][ T10] ___sys_sendmsg+0xee/0x170 [ 646.926256][ T10] __sys_sendmsg+0xcd/0x170 [ 646.926256][ T10] do_syscall_64+0xc6/0x1e0 [ 646.926256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.926256][ T10] [ 646.928231][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 646.928231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.928231][ T10] ipv6_find_idev+0x102/0x170 [ 646.928231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.928231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.928231][ T10] netlink_rcv_skb+0x130/0x360 [ 646.928231][ T10] netlink_unicast+0x449/0x710 [ 646.928231][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.928231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.928231][ T10] ___sys_sendmsg+0xee/0x170 [ 646.928231][ T10] __sys_sendmsg+0xcd/0x170 [ 646.928231][ T10] do_syscall_64+0xc6/0x1e0 [ 646.928231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.928231][ T10] [ 646.929766][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 646.929766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.929766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.929766][ T10] ipv6_find_idev+0x102/0x170 [ 646.929766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.929766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.929766][ T10] netlink_rcv_skb+0x130/0x360 [ 646.929766][ T10] netlink_unicast+0x449/0x710 [ 646.929766][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.929766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.929766][ T10] ___sys_sendmsg+0xee/0x170 [ 646.929766][ T10] __sys_sendmsg+0xcd/0x170 [ 646.929766][ T10] do_syscall_64+0xc6/0x1e0 [ 646.929766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.929766][ T10] [ 646.931455][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 646.931724][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 646.931724][ T10] netdev_get_by_index+0x5e/0x80 [ 646.931724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.931724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.931724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.931724][ T10] ipv6_add_addr+0x411/0x2000 [ 646.931724][ T10] inet6_addr_add+0x30e/0xa40 [ 646.931724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.931724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.931724][ T10] netlink_rcv_skb+0x130/0x360 [ 646.931724][ T10] netlink_unicast+0x449/0x710 [ 646.931724][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.931724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.931724][ T10] ___sys_sendmsg+0xee/0x170 [ 646.931724][ T10] __sys_sendmsg+0xcd/0x170 [ 646.931724][ T10] do_syscall_64+0xc6/0x1e0 [ 646.931724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.931724][ T10] [ 646.933707][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 646.933707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.933707][ T10] ipv6_find_idev+0x102/0x170 [ 646.933707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.933707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.933707][ T10] netlink_rcv_skb+0x130/0x360 [ 646.933707][ T10] netlink_unicast+0x449/0x710 [ 646.933707][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.933707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.933707][ T10] ___sys_sendmsg+0xee/0x170 [ 646.933707][ T10] __sys_sendmsg+0xcd/0x170 [ 646.933707][ T10] do_syscall_64+0xc6/0x1e0 [ 646.933707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.933707][ T10] [ 646.935219][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 646.935219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.935219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.935219][ T10] ipv6_find_idev+0x102/0x170 [ 646.935219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.935219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.935219][ T10] netlink_rcv_skb+0x130/0x360 [ 646.935219][ T10] netlink_unicast+0x449/0x710 [ 646.935219][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.935219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.935219][ T10] ___sys_sendmsg+0xee/0x170 [ 646.935219][ T10] __sys_sendmsg+0xcd/0x170 [ 646.935219][ T10] do_syscall_64+0xc6/0x1e0 [ 646.935219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.935219][ T10] [ 646.937297][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 646.937561][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 646.937561][ T10] netdev_get_by_index+0x5e/0x80 [ 646.937561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.937561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.937561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.937561][ T10] ipv6_add_addr+0x411/0x2000 [ 646.937561][ T10] inet6_addr_add+0x30e/0xa40 [ 646.937561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.937561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.937561][ T10] netlink_rcv_skb+0x130/0x360 [ 646.937561][ T10] netlink_unicast+0x449/0x710 [ 646.937561][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.937561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.937561][ T10] ___sys_sendmsg+0xee/0x170 [ 646.937561][ T10] __sys_sendmsg+0xcd/0x170 [ 646.937561][ T10] do_syscall_64+0xc6/0x1e0 [ 646.937561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.937561][ T10] [ 646.939572][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 646.939572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.939572][ T10] ipv6_find_idev+0x102/0x170 [ 646.939572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.939572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.939572][ T10] netlink_rcv_skb+0x130/0x360 [ 646.939572][ T10] netlink_unicast+0x449/0x710 [ 646.939572][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.939572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.939572][ T10] ___sys_sendmsg+0xee/0x170 [ 646.939572][ T10] __sys_sendmsg+0xcd/0x170 [ 646.939572][ T10] do_syscall_64+0xc6/0x1e0 [ 646.939572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.939572][ T10] [ 646.941183][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 646.941183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.941183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.941183][ T10] ipv6_find_idev+0x102/0x170 [ 646.941183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.941183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.941183][ T10] netlink_rcv_skb+0x130/0x360 [ 646.941183][ T10] netlink_unicast+0x449/0x710 [ 646.941183][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.941183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.941183][ T10] ___sys_sendmsg+0xee/0x170 [ 646.941183][ T10] __sys_sendmsg+0xcd/0x170 [ 646.941183][ T10] do_syscall_64+0xc6/0x1e0 [ 646.941183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.941183][ T10] [ 646.942976][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 646.943238][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 646.943238][ T10] netdev_get_by_index+0x5e/0x80 [ 646.943238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.943238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.943238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.943238][ T10] ipv6_add_addr+0x411/0x2000 [ 646.943238][ T10] inet6_addr_add+0x30e/0xa40 [ 646.943238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.943238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.943238][ T10] netlink_rcv_skb+0x130/0x360 [ 646.943238][ T10] netlink_unicast+0x449/0x710 [ 646.943238][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.943238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.943238][ T10] ___sys_sendmsg+0xee/0x170 [ 646.943238][ T10] __sys_sendmsg+0xcd/0x170 [ 646.943238][ T10] do_syscall_64+0xc6/0x1e0 [ 646.943238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.943238][ T10] [ 646.945533][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 646.945533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.945533][ T10] ipv6_find_idev+0x102/0x170 [ 646.945533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.945533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.945533][ T10] netlink_rcv_skb+0x130/0x360 [ 646.945533][ T10] netlink_unicast+0x449/0x710 [ 646.945533][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.945533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.945533][ T10] ___sys_sendmsg+0xee/0x170 [ 646.945533][ T10] __sys_sendmsg+0xcd/0x170 [ 646.945533][ T10] do_syscall_64+0xc6/0x1e0 [ 646.945533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.945533][ T10] [ 646.947140][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 646.947140][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.947140][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.947140][ T10] ipv6_find_idev+0x102/0x170 [ 646.947140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.947140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.947140][ T10] netlink_rcv_skb+0x130/0x360 [ 646.947140][ T10] netlink_unicast+0x449/0x710 [ 646.947140][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.947140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.947140][ T10] ___sys_sendmsg+0xee/0x170 [ 646.947140][ T10] __sys_sendmsg+0xcd/0x170 [ 646.947140][ T10] do_syscall_64+0xc6/0x1e0 [ 646.947140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.947140][ T10] [ 646.948917][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 646.949174][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 646.949174][ T10] netdev_get_by_index+0x5e/0x80 [ 646.949174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.949174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.949174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.949174][ T10] ipv6_add_addr+0x411/0x2000 [ 646.949174][ T10] inet6_addr_add+0x30e/0xa40 [ 646.949174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.949174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.949174][ T10] netlink_rcv_skb+0x130/0x360 [ 646.949174][ T10] netlink_unicast+0x449/0x710 [ 646.949174][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.949174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.949174][ T10] ___sys_sendmsg+0xee/0x170 [ 646.949174][ T10] __sys_sendmsg+0xcd/0x170 [ 646.949174][ T10] do_syscall_64+0xc6/0x1e0 [ 646.949174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.949174][ T10] [ 646.951374][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 646.951374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.951374][ T10] ipv6_find_idev+0x102/0x170 [ 646.951374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.951374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.951374][ T10] netlink_rcv_skb+0x130/0x360 [ 646.951374][ T10] netlink_unicast+0x449/0x710 [ 646.951374][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.951374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.951374][ T10] ___sys_sendmsg+0xee/0x170 [ 646.951374][ T10] __sys_sendmsg+0xcd/0x170 [ 646.951374][ T10] do_syscall_64+0xc6/0x1e0 [ 646.951374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.951374][ T10] [ 646.952960][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 646.952960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.952960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.952960][ T10] ipv6_find_idev+0x102/0x170 [ 646.952960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.952960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.952960][ T10] netlink_rcv_skb+0x130/0x360 [ 646.952960][ T10] netlink_unicast+0x449/0x710 [ 646.952960][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.952960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.952960][ T10] ___sys_sendmsg+0xee/0x170 [ 646.952960][ T10] __sys_sendmsg+0xcd/0x170 [ 646.952960][ T10] do_syscall_64+0xc6/0x1e0 [ 646.952960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.952960][ T10] [ 646.954793][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 646.955104][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 646.955104][ T10] netdev_get_by_index+0x5e/0x80 [ 646.955104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 646.955104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 646.955104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 646.955104][ T10] ipv6_add_addr+0x411/0x2000 [ 646.955104][ T10] inet6_addr_add+0x30e/0xa40 [ 646.955104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 646.955104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.955104][ T10] netlink_rcv_skb+0x130/0x360 [ 646.955104][ T10] netlink_unicast+0x449/0x710 [ 646.955104][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.955104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.955104][ T10] ___sys_sendmsg+0xee/0x170 [ 646.955104][ T10] __sys_sendmsg+0xcd/0x170 [ 646.955104][ T10] do_syscall_64+0xc6/0x1e0 [ 646.955104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.955104][ T10] [ 646.957132][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 646.957132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 646.957132][ T10] ipv6_find_idev+0x102/0x170 [ 646.957132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.957132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.957132][ T10] netlink_rcv_skb+0x130/0x360 [ 646.957132][ T10] netlink_unicast+0x449/0x710 [ 646.957132][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.957132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.957132][ T10] ___sys_sendmsg+0xee/0x170 [ 646.957132][ T10] __sys_sendmsg+0xcd/0x170 [ 646.957132][ T10] do_syscall_64+0xc6/0x1e0 [ 646.957132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.957132][ T10] [ 646.958781][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 646.958781][ T10] neigh_parms_alloc+0x1e5/0x510 [ 646.958781][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 646.958781][ T10] ipv6_find_idev+0x102/0x170 [ 646.958781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 646.958781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 646.958781][ T10] netlink_rcv_skb+0x130/0x360 [ 646.958781][ T10] netlink_unicast+0x449/0x710 [ 646.958781][ T10] netlink_sendmsg+0x723/0xbe0 [ 646.958781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 646.958781][ T10] ___sys_sendmsg+0xee/0x170 [ 646.958781][ T10] __sys_sendmsg+0xcd/0x170 [ 646.958781][ T10] do_syscall_64+0xc6/0x1e0 [ 646.958781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 646.958781][ T10] [ 657.122975][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 657.123452][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 657.123452][ T10] netdev_get_by_index+0x5e/0x80 [ 657.123452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.123452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.123452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.123452][ T10] ipv6_add_addr+0x411/0x2000 [ 657.123452][ T10] inet6_addr_add+0x30e/0xa40 [ 657.123452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.123452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.123452][ T10] netlink_rcv_skb+0x130/0x360 [ 657.123452][ T10] netlink_unicast+0x449/0x710 [ 657.123452][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.123452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.123452][ T10] ___sys_sendmsg+0xee/0x170 [ 657.123452][ T10] __sys_sendmsg+0xcd/0x170 [ 657.123452][ T10] do_syscall_64+0xc6/0x1e0 [ 657.123452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.123452][ T10] [ 657.125542][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 657.125542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.125542][ T10] ipv6_find_idev+0x102/0x170 [ 657.125542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.125542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.125542][ T10] netlink_rcv_skb+0x130/0x360 [ 657.125542][ T10] netlink_unicast+0x449/0x710 [ 657.125542][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.125542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.125542][ T10] ___sys_sendmsg+0xee/0x170 [ 657.125542][ T10] __sys_sendmsg+0xcd/0x170 [ 657.125542][ T10] do_syscall_64+0xc6/0x1e0 [ 657.125542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.125542][ T10] [ 657.127113][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 657.127113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.127113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.127113][ T10] ipv6_find_idev+0x102/0x170 [ 657.127113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.127113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.127113][ T10] netlink_rcv_skb+0x130/0x360 [ 657.127113][ T10] netlink_unicast+0x449/0x710 [ 657.127113][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.127113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.127113][ T10] ___sys_sendmsg+0xee/0x170 [ 657.127113][ T10] __sys_sendmsg+0xcd/0x170 [ 657.127113][ T10] do_syscall_64+0xc6/0x1e0 [ 657.127113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.127113][ T10] [ 657.128918][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 657.129234][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 657.129234][ T10] netdev_get_by_index+0x5e/0x80 [ 657.129234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.129234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.129234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.129234][ T10] ipv6_add_addr+0x411/0x2000 [ 657.129234][ T10] inet6_addr_add+0x30e/0xa40 [ 657.129234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.129234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.129234][ T10] netlink_rcv_skb+0x130/0x360 [ 657.129234][ T10] netlink_unicast+0x449/0x710 [ 657.129234][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.129234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.129234][ T10] ___sys_sendmsg+0xee/0x170 [ 657.129234][ T10] __sys_sendmsg+0xcd/0x170 [ 657.129234][ T10] do_syscall_64+0xc6/0x1e0 [ 657.129234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.129234][ T10] [ 657.131666][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 657.131666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.131666][ T10] ipv6_find_idev+0x102/0x170 [ 657.131666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.131666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.131666][ T10] netlink_rcv_skb+0x130/0x360 [ 657.131666][ T10] netlink_unicast+0x449/0x710 [ 657.131666][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.131666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.131666][ T10] ___sys_sendmsg+0xee/0x170 [ 657.131666][ T10] __sys_sendmsg+0xcd/0x170 [ 657.131666][ T10] do_syscall_64+0xc6/0x1e0 [ 657.131666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.131666][ T10] [ 657.133200][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 657.133200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.133200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.133200][ T10] ipv6_find_idev+0x102/0x170 [ 657.133200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.133200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.133200][ T10] netlink_rcv_skb+0x130/0x360 [ 657.133200][ T10] netlink_unicast+0x449/0x710 [ 657.133200][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.133200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.133200][ T10] ___sys_sendmsg+0xee/0x170 [ 657.133200][ T10] __sys_sendmsg+0xcd/0x170 [ 657.133200][ T10] do_syscall_64+0xc6/0x1e0 [ 657.133200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.133200][ T10] [ 657.135013][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 657.135311][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 657.135311][ T10] netdev_get_by_index+0x5e/0x80 [ 657.135311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.135311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.135311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.135311][ T10] ipv6_add_addr+0x411/0x2000 [ 657.135311][ T10] inet6_addr_add+0x30e/0xa40 [ 657.135311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.135311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.135311][ T10] netlink_rcv_skb+0x130/0x360 [ 657.135311][ T10] netlink_unicast+0x449/0x710 [ 657.135311][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.135311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.135311][ T10] ___sys_sendmsg+0xee/0x170 [ 657.135311][ T10] __sys_sendmsg+0xcd/0x170 [ 657.135311][ T10] do_syscall_64+0xc6/0x1e0 [ 657.135311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.135311][ T10] [ 657.137404][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 657.137404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.137404][ T10] ipv6_find_idev+0x102/0x170 [ 657.137404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.137404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.137404][ T10] netlink_rcv_skb+0x130/0x360 [ 657.137404][ T10] netlink_unicast+0x449/0x710 [ 657.137404][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.137404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.137404][ T10] ___sys_sendmsg+0xee/0x170 [ 657.137404][ T10] __sys_sendmsg+0xcd/0x170 [ 657.137404][ T10] do_syscall_64+0xc6/0x1e0 [ 657.137404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.137404][ T10] [ 657.139040][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 657.139040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.139040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.139040][ T10] ipv6_find_idev+0x102/0x170 [ 657.139040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.139040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.139040][ T10] netlink_rcv_skb+0x130/0x360 [ 657.139040][ T10] netlink_unicast+0x449/0x710 [ 657.139040][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.139040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.139040][ T10] ___sys_sendmsg+0xee/0x170 [ 657.139040][ T10] __sys_sendmsg+0xcd/0x170 [ 657.139040][ T10] do_syscall_64+0xc6/0x1e0 [ 657.139040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.139040][ T10] [ 657.140754][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 657.141463][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 657.141463][ T10] netdev_get_by_index+0x5e/0x80 [ 657.141463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.141463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.141463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.141463][ T10] ipv6_add_addr+0x411/0x2000 [ 657.141463][ T10] inet6_addr_add+0x30e/0xa40 [ 657.141463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.141463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.141463][ T10] netlink_rcv_skb+0x130/0x360 [ 657.141463][ T10] netlink_unicast+0x449/0x710 [ 657.141463][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.141463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.141463][ T10] ___sys_sendmsg+0xee/0x170 [ 657.141463][ T10] __sys_sendmsg+0xcd/0x170 [ 657.141463][ T10] do_syscall_64+0xc6/0x1e0 [ 657.141463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.141463][ T10] [ 657.143443][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 657.143443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.143443][ T10] ipv6_find_idev+0x102/0x170 [ 657.143443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.143443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.143443][ T10] netlink_rcv_skb+0x130/0x360 [ 657.143443][ T10] netlink_unicast+0x449/0x710 [ 657.143443][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.143443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.143443][ T10] ___sys_sendmsg+0xee/0x170 [ 657.143443][ T10] __sys_sendmsg+0xcd/0x170 [ 657.143443][ T10] do_syscall_64+0xc6/0x1e0 [ 657.143443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.143443][ T10] [ 657.144966][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 657.144966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.144966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.144966][ T10] ipv6_find_idev+0x102/0x170 [ 657.144966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.144966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.144966][ T10] netlink_rcv_skb+0x130/0x360 [ 657.144966][ T10] netlink_unicast+0x449/0x710 [ 657.144966][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.144966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.144966][ T10] ___sys_sendmsg+0xee/0x170 [ 657.144966][ T10] __sys_sendmsg+0xcd/0x170 [ 657.144966][ T10] do_syscall_64+0xc6/0x1e0 [ 657.144966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.144966][ T10] [ 657.146814][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 657.147160][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 657.147160][ T10] netdev_get_by_index+0x5e/0x80 [ 657.147160][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.147160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.147160][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.147160][ T10] ipv6_add_addr+0x411/0x2000 [ 657.147160][ T10] inet6_addr_add+0x30e/0xa40 [ 657.147160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.147160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.147160][ T10] netlink_rcv_skb+0x130/0x360 [ 657.147160][ T10] netlink_unicast+0x449/0x710 [ 657.147160][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.147160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.147160][ T10] ___sys_sendmsg+0xee/0x170 [ 657.147160][ T10] __sys_sendmsg+0xcd/0x170 [ 657.147160][ T10] do_syscall_64+0xc6/0x1e0 [ 657.147160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.147160][ T10] [ 657.149269][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 657.149269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.149269][ T10] ipv6_find_idev+0x102/0x170 [ 657.149269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.149269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.149269][ T10] netlink_rcv_skb+0x130/0x360 [ 657.149269][ T10] netlink_unicast+0x449/0x710 [ 657.149269][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.149269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.149269][ T10] ___sys_sendmsg+0xee/0x170 [ 657.149269][ T10] __sys_sendmsg+0xcd/0x170 [ 657.149269][ T10] do_syscall_64+0xc6/0x1e0 [ 657.149269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.149269][ T10] [ 657.150901][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 657.150901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.150901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.150901][ T10] ipv6_find_idev+0x102/0x170 [ 657.150901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.150901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.150901][ T10] netlink_rcv_skb+0x130/0x360 [ 657.150901][ T10] netlink_unicast+0x449/0x710 [ 657.150901][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.150901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.150901][ T10] ___sys_sendmsg+0xee/0x170 [ 657.150901][ T10] __sys_sendmsg+0xcd/0x170 [ 657.150901][ T10] do_syscall_64+0xc6/0x1e0 [ 657.150901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.150901][ T10] [ 657.152714][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 657.153035][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 657.153035][ T10] netdev_get_by_index+0x5e/0x80 [ 657.153035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.153035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.153035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.153035][ T10] ipv6_add_addr+0x411/0x2000 [ 657.153035][ T10] inet6_addr_add+0x30e/0xa40 [ 657.153035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.153035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.153035][ T10] netlink_rcv_skb+0x130/0x360 [ 657.153035][ T10] netlink_unicast+0x449/0x710 [ 657.153035][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.153035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.153035][ T10] ___sys_sendmsg+0xee/0x170 [ 657.153035][ T10] __sys_sendmsg+0xcd/0x170 [ 657.153035][ T10] do_syscall_64+0xc6/0x1e0 [ 657.153035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.153035][ T10] [ 657.155116][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 657.155116][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.155116][ T10] ipv6_find_idev+0x102/0x170 [ 657.155116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.155116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.155116][ T10] netlink_rcv_skb+0x130/0x360 [ 657.155116][ T10] netlink_unicast+0x449/0x710 [ 657.155116][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.155116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.155116][ T10] ___sys_sendmsg+0xee/0x170 [ 657.155116][ T10] __sys_sendmsg+0xcd/0x170 [ 657.155116][ T10] do_syscall_64+0xc6/0x1e0 [ 657.155116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.155116][ T10] [ 657.156960][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 657.156960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.156960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.156960][ T10] ipv6_find_idev+0x102/0x170 [ 657.156960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.156960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.156960][ T10] netlink_rcv_skb+0x130/0x360 [ 657.156960][ T10] netlink_unicast+0x449/0x710 [ 657.156960][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.156960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.156960][ T10] ___sys_sendmsg+0xee/0x170 [ 657.156960][ T10] __sys_sendmsg+0xcd/0x170 [ 657.156960][ T10] do_syscall_64+0xc6/0x1e0 [ 657.156960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.156960][ T10] [ 657.158948][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 657.159283][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 657.159283][ T10] netdev_get_by_index+0x5e/0x80 [ 657.159283][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.159283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.159283][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.159283][ T10] ipv6_add_addr+0x411/0x2000 [ 657.159283][ T10] inet6_addr_add+0x30e/0xa40 [ 657.159283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.159283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.159283][ T10] netlink_rcv_skb+0x130/0x360 [ 657.159283][ T10] netlink_unicast+0x449/0x710 [ 657.159283][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.159283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.159283][ T10] ___sys_sendmsg+0xee/0x170 [ 657.159283][ T10] __sys_sendmsg+0xcd/0x170 [ 657.159283][ T10] do_syscall_64+0xc6/0x1e0 [ 657.159283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.159283][ T10] [ 657.161545][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 657.161545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.161545][ T10] ipv6_find_idev+0x102/0x170 [ 657.161545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.161545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.161545][ T10] netlink_rcv_skb+0x130/0x360 [ 657.161545][ T10] netlink_unicast+0x449/0x710 [ 657.161545][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.161545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.161545][ T10] ___sys_sendmsg+0xee/0x170 [ 657.161545][ T10] __sys_sendmsg+0xcd/0x170 [ 657.161545][ T10] do_syscall_64+0xc6/0x1e0 [ 657.161545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.161545][ T10] [ 657.163250][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 657.163250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.163250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.163250][ T10] ipv6_find_idev+0x102/0x170 [ 657.163250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.163250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.163250][ T10] netlink_rcv_skb+0x130/0x360 [ 657.163250][ T10] netlink_unicast+0x449/0x710 [ 657.163250][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.163250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.163250][ T10] ___sys_sendmsg+0xee/0x170 [ 657.163250][ T10] __sys_sendmsg+0xcd/0x170 [ 657.163250][ T10] do_syscall_64+0xc6/0x1e0 [ 657.163250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.163250][ T10] [ 657.165203][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 657.165515][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 657.165515][ T10] netdev_get_by_index+0x5e/0x80 [ 657.165515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 657.165515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 657.165515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 657.165515][ T10] ipv6_add_addr+0x411/0x2000 [ 657.165515][ T10] inet6_addr_add+0x30e/0xa40 [ 657.165515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 657.165515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.165515][ T10] netlink_rcv_skb+0x130/0x360 [ 657.165515][ T10] netlink_unicast+0x449/0x710 [ 657.165515][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.165515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.165515][ T10] ___sys_sendmsg+0xee/0x170 [ 657.165515][ T10] __sys_sendmsg+0xcd/0x170 [ 657.165515][ T10] do_syscall_64+0xc6/0x1e0 [ 657.165515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.165515][ T10] [ 657.167812][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 657.167812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 657.167812][ T10] ipv6_find_idev+0x102/0x170 [ 657.167812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.167812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.167812][ T10] netlink_rcv_skb+0x130/0x360 [ 657.167812][ T10] netlink_unicast+0x449/0x710 [ 657.167812][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.167812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.167812][ T10] ___sys_sendmsg+0xee/0x170 [ 657.167812][ T10] __sys_sendmsg+0xcd/0x170 [ 657.167812][ T10] do_syscall_64+0xc6/0x1e0 [ 657.167812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.167812][ T10] [ 657.169642][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 657.169642][ T10] neigh_parms_alloc+0x1e5/0x510 [ 657.169642][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 657.169642][ T10] ipv6_find_idev+0x102/0x170 [ 657.169642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 657.169642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 657.169642][ T10] netlink_rcv_skb+0x130/0x360 [ 657.169642][ T10] netlink_unicast+0x449/0x710 [ 657.169642][ T10] netlink_sendmsg+0x723/0xbe0 [ 657.169642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 657.169642][ T10] ___sys_sendmsg+0xee/0x170 [ 657.169642][ T10] __sys_sendmsg+0xcd/0x170 [ 657.169642][ T10] do_syscall_64+0xc6/0x1e0 [ 657.169642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 657.169642][ T10] [ 667.410966][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 667.411372][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 667.411372][ T10] netdev_get_by_index+0x5e/0x80 [ 667.411372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.411372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.411372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.411372][ T10] ipv6_add_addr+0x411/0x2000 [ 667.411372][ T10] inet6_addr_add+0x30e/0xa40 [ 667.411372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.411372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.411372][ T10] netlink_rcv_skb+0x130/0x360 [ 667.411372][ T10] netlink_unicast+0x449/0x710 [ 667.411372][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.411372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.411372][ T10] ___sys_sendmsg+0xee/0x170 [ 667.411372][ T10] __sys_sendmsg+0xcd/0x170 [ 667.411372][ T10] do_syscall_64+0xc6/0x1e0 [ 667.411372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.411372][ T10] [ 667.414006][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 667.414006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.414006][ T10] ipv6_find_idev+0x102/0x170 [ 667.414006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.414006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.414006][ T10] netlink_rcv_skb+0x130/0x360 [ 667.414006][ T10] netlink_unicast+0x449/0x710 [ 667.414006][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.414006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.414006][ T10] ___sys_sendmsg+0xee/0x170 [ 667.414006][ T10] __sys_sendmsg+0xcd/0x170 [ 667.414006][ T10] do_syscall_64+0xc6/0x1e0 [ 667.414006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.414006][ T10] [ 667.415562][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 667.415562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.415562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.415562][ T10] ipv6_find_idev+0x102/0x170 [ 667.415562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.415562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.415562][ T10] netlink_rcv_skb+0x130/0x360 [ 667.415562][ T10] netlink_unicast+0x449/0x710 [ 667.415562][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.415562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.415562][ T10] ___sys_sendmsg+0xee/0x170 [ 667.415562][ T10] __sys_sendmsg+0xcd/0x170 [ 667.415562][ T10] do_syscall_64+0xc6/0x1e0 [ 667.415562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.415562][ T10] [ 667.417278][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 667.417558][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 667.417558][ T10] netdev_get_by_index+0x5e/0x80 [ 667.417558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.417558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.417558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.417558][ T10] ipv6_add_addr+0x411/0x2000 [ 667.417558][ T10] inet6_addr_add+0x30e/0xa40 [ 667.417558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.417558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.417558][ T10] netlink_rcv_skb+0x130/0x360 [ 667.417558][ T10] netlink_unicast+0x449/0x710 [ 667.417558][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.417558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.417558][ T10] ___sys_sendmsg+0xee/0x170 [ 667.417558][ T10] __sys_sendmsg+0xcd/0x170 [ 667.417558][ T10] do_syscall_64+0xc6/0x1e0 [ 667.417558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.417558][ T10] [ 667.419564][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 667.419564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.419564][ T10] ipv6_find_idev+0x102/0x170 [ 667.419564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.419564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.419564][ T10] netlink_rcv_skb+0x130/0x360 [ 667.419564][ T10] netlink_unicast+0x449/0x710 [ 667.419564][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.419564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.419564][ T10] ___sys_sendmsg+0xee/0x170 [ 667.419564][ T10] __sys_sendmsg+0xcd/0x170 [ 667.419564][ T10] do_syscall_64+0xc6/0x1e0 [ 667.419564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.419564][ T10] [ 667.421495][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 667.421495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.421495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.421495][ T10] ipv6_find_idev+0x102/0x170 [ 667.421495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.421495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.421495][ T10] netlink_rcv_skb+0x130/0x360 [ 667.421495][ T10] netlink_unicast+0x449/0x710 [ 667.421495][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.421495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.421495][ T10] ___sys_sendmsg+0xee/0x170 [ 667.421495][ T10] __sys_sendmsg+0xcd/0x170 [ 667.421495][ T10] do_syscall_64+0xc6/0x1e0 [ 667.421495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.421495][ T10] [ 667.423533][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 667.423810][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 667.423810][ T10] netdev_get_by_index+0x5e/0x80 [ 667.423810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.423810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.423810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.423810][ T10] ipv6_add_addr+0x411/0x2000 [ 667.423810][ T10] inet6_addr_add+0x30e/0xa40 [ 667.423810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.423810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.423810][ T10] netlink_rcv_skb+0x130/0x360 [ 667.423810][ T10] netlink_unicast+0x449/0x710 [ 667.423810][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.423810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.423810][ T10] ___sys_sendmsg+0xee/0x170 [ 667.423810][ T10] __sys_sendmsg+0xcd/0x170 [ 667.423810][ T10] do_syscall_64+0xc6/0x1e0 [ 667.423810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.423810][ T10] [ 667.425807][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 667.425807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.425807][ T10] ipv6_find_idev+0x102/0x170 [ 667.425807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.425807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.425807][ T10] netlink_rcv_skb+0x130/0x360 [ 667.425807][ T10] netlink_unicast+0x449/0x710 [ 667.425807][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.425807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.425807][ T10] ___sys_sendmsg+0xee/0x170 [ 667.425807][ T10] __sys_sendmsg+0xcd/0x170 [ 667.425807][ T10] do_syscall_64+0xc6/0x1e0 [ 667.425807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.425807][ T10] [ 667.427348][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 667.427348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.427348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.427348][ T10] ipv6_find_idev+0x102/0x170 [ 667.427348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.427348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.427348][ T10] netlink_rcv_skb+0x130/0x360 [ 667.427348][ T10] netlink_unicast+0x449/0x710 [ 667.427348][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.427348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.427348][ T10] ___sys_sendmsg+0xee/0x170 [ 667.427348][ T10] __sys_sendmsg+0xcd/0x170 [ 667.427348][ T10] do_syscall_64+0xc6/0x1e0 [ 667.427348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.427348][ T10] [ 667.429225][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 667.429511][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 667.429511][ T10] netdev_get_by_index+0x5e/0x80 [ 667.429511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.429511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.429511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.429511][ T10] ipv6_add_addr+0x411/0x2000 [ 667.429511][ T10] inet6_addr_add+0x30e/0xa40 [ 667.429511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.429511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.429511][ T10] netlink_rcv_skb+0x130/0x360 [ 667.429511][ T10] netlink_unicast+0x449/0x710 [ 667.429511][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.429511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.429511][ T10] ___sys_sendmsg+0xee/0x170 [ 667.429511][ T10] __sys_sendmsg+0xcd/0x170 [ 667.429511][ T10] do_syscall_64+0xc6/0x1e0 [ 667.429511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.429511][ T10] [ 667.431518][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 667.431518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.431518][ T10] ipv6_find_idev+0x102/0x170 [ 667.431518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.431518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.431518][ T10] netlink_rcv_skb+0x130/0x360 [ 667.431518][ T10] netlink_unicast+0x449/0x710 [ 667.431518][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.431518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.431518][ T10] ___sys_sendmsg+0xee/0x170 [ 667.431518][ T10] __sys_sendmsg+0xcd/0x170 [ 667.431518][ T10] do_syscall_64+0xc6/0x1e0 [ 667.431518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.431518][ T10] [ 667.433063][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 667.433063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.433063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.433063][ T10] ipv6_find_idev+0x102/0x170 [ 667.433063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.433063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.433063][ T10] netlink_rcv_skb+0x130/0x360 [ 667.433063][ T10] netlink_unicast+0x449/0x710 [ 667.433063][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.433063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.433063][ T10] ___sys_sendmsg+0xee/0x170 [ 667.433063][ T10] __sys_sendmsg+0xcd/0x170 [ 667.433063][ T10] do_syscall_64+0xc6/0x1e0 [ 667.433063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.433063][ T10] [ 667.435182][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 667.435797][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 667.435797][ T10] netdev_get_by_index+0x5e/0x80 [ 667.435797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.435797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.435797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.435797][ T10] ipv6_add_addr+0x411/0x2000 [ 667.435797][ T10] inet6_addr_add+0x30e/0xa40 [ 667.435797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.435797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.435797][ T10] netlink_rcv_skb+0x130/0x360 [ 667.435797][ T10] netlink_unicast+0x449/0x710 [ 667.435797][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.435797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.435797][ T10] ___sys_sendmsg+0xee/0x170 [ 667.435797][ T10] __sys_sendmsg+0xcd/0x170 [ 667.435797][ T10] do_syscall_64+0xc6/0x1e0 [ 667.435797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.435797][ T10] [ 667.437935][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 667.437935][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.437935][ T10] ipv6_find_idev+0x102/0x170 [ 667.437935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.437935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.437935][ T10] netlink_rcv_skb+0x130/0x360 [ 667.437935][ T10] netlink_unicast+0x449/0x710 [ 667.437935][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.437935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.437935][ T10] ___sys_sendmsg+0xee/0x170 [ 667.437935][ T10] __sys_sendmsg+0xcd/0x170 [ 667.437935][ T10] do_syscall_64+0xc6/0x1e0 [ 667.437935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.437935][ T10] [ 667.439481][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 667.439481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.439481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.439481][ T10] ipv6_find_idev+0x102/0x170 [ 667.439481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.439481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.439481][ T10] netlink_rcv_skb+0x130/0x360 [ 667.439481][ T10] netlink_unicast+0x449/0x710 [ 667.439481][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.439481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.439481][ T10] ___sys_sendmsg+0xee/0x170 [ 667.439481][ T10] __sys_sendmsg+0xcd/0x170 [ 667.439481][ T10] do_syscall_64+0xc6/0x1e0 [ 667.439481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.439481][ T10] [ 667.441201][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 667.441466][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 667.441466][ T10] netdev_get_by_index+0x5e/0x80 [ 667.441466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.441466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.441466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.441466][ T10] ipv6_add_addr+0x411/0x2000 [ 667.441466][ T10] inet6_addr_add+0x30e/0xa40 [ 667.441466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.441466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.441466][ T10] netlink_rcv_skb+0x130/0x360 [ 667.441466][ T10] netlink_unicast+0x449/0x710 [ 667.441466][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.441466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.441466][ T10] ___sys_sendmsg+0xee/0x170 [ 667.441466][ T10] __sys_sendmsg+0xcd/0x170 [ 667.441466][ T10] do_syscall_64+0xc6/0x1e0 [ 667.441466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.441466][ T10] [ 667.443475][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 667.443475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.443475][ T10] ipv6_find_idev+0x102/0x170 [ 667.443475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.443475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.443475][ T10] netlink_rcv_skb+0x130/0x360 [ 667.443475][ T10] netlink_unicast+0x449/0x710 [ 667.443475][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.443475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.443475][ T10] ___sys_sendmsg+0xee/0x170 [ 667.443475][ T10] __sys_sendmsg+0xcd/0x170 [ 667.443475][ T10] do_syscall_64+0xc6/0x1e0 [ 667.443475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.443475][ T10] [ 667.445199][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 667.445199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.445199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.445199][ T10] ipv6_find_idev+0x102/0x170 [ 667.445199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.445199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.445199][ T10] netlink_rcv_skb+0x130/0x360 [ 667.445199][ T10] netlink_unicast+0x449/0x710 [ 667.445199][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.445199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.445199][ T10] ___sys_sendmsg+0xee/0x170 [ 667.445199][ T10] __sys_sendmsg+0xcd/0x170 [ 667.445199][ T10] do_syscall_64+0xc6/0x1e0 [ 667.445199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.445199][ T10] [ 667.447111][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 667.447420][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 667.447420][ T10] netdev_get_by_index+0x5e/0x80 [ 667.447420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.447420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.447420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.447420][ T10] ipv6_add_addr+0x411/0x2000 [ 667.447420][ T10] inet6_addr_add+0x30e/0xa40 [ 667.447420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.447420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.447420][ T10] netlink_rcv_skb+0x130/0x360 [ 667.447420][ T10] netlink_unicast+0x449/0x710 [ 667.447420][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.447420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.447420][ T10] ___sys_sendmsg+0xee/0x170 [ 667.447420][ T10] __sys_sendmsg+0xcd/0x170 [ 667.447420][ T10] do_syscall_64+0xc6/0x1e0 [ 667.447420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.447420][ T10] [ 667.449598][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 667.449598][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.449598][ T10] ipv6_find_idev+0x102/0x170 [ 667.449598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.449598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.449598][ T10] netlink_rcv_skb+0x130/0x360 [ 667.449598][ T10] netlink_unicast+0x449/0x710 [ 667.449598][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.449598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.449598][ T10] ___sys_sendmsg+0xee/0x170 [ 667.449598][ T10] __sys_sendmsg+0xcd/0x170 [ 667.449598][ T10] do_syscall_64+0xc6/0x1e0 [ 667.449598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.449598][ T10] [ 667.451373][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 667.451373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.451373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.451373][ T10] ipv6_find_idev+0x102/0x170 [ 667.451373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.451373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.451373][ T10] netlink_rcv_skb+0x130/0x360 [ 667.451373][ T10] netlink_unicast+0x449/0x710 [ 667.451373][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.451373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.451373][ T10] ___sys_sendmsg+0xee/0x170 [ 667.451373][ T10] __sys_sendmsg+0xcd/0x170 [ 667.451373][ T10] do_syscall_64+0xc6/0x1e0 [ 667.451373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.451373][ T10] [ 667.453268][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 667.453580][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 667.453580][ T10] netdev_get_by_index+0x5e/0x80 [ 667.453580][ T10] fib6_nh_init+0x3d8/0x15b0 [ 667.453580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 667.453580][ T10] addrconf_f6i_alloc+0x244/0x410 [ 667.453580][ T10] ipv6_add_addr+0x411/0x2000 [ 667.453580][ T10] inet6_addr_add+0x30e/0xa40 [ 667.453580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 667.453580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.453580][ T10] netlink_rcv_skb+0x130/0x360 [ 667.453580][ T10] netlink_unicast+0x449/0x710 [ 667.453580][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.453580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.453580][ T10] ___sys_sendmsg+0xee/0x170 [ 667.453580][ T10] __sys_sendmsg+0xcd/0x170 [ 667.453580][ T10] do_syscall_64+0xc6/0x1e0 [ 667.453580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.453580][ T10] [ 667.455739][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 667.455739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 667.455739][ T10] ipv6_find_idev+0x102/0x170 [ 667.455739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.455739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.455739][ T10] netlink_rcv_skb+0x130/0x360 [ 667.455739][ T10] netlink_unicast+0x449/0x710 [ 667.455739][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.455739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.455739][ T10] ___sys_sendmsg+0xee/0x170 [ 667.455739][ T10] __sys_sendmsg+0xcd/0x170 [ 667.455739][ T10] do_syscall_64+0xc6/0x1e0 [ 667.455739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.455739][ T10] [ 667.457447][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 667.457447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 667.457447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 667.457447][ T10] ipv6_find_idev+0x102/0x170 [ 667.457447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 667.457447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 667.457447][ T10] netlink_rcv_skb+0x130/0x360 [ 667.457447][ T10] netlink_unicast+0x449/0x710 [ 667.457447][ T10] netlink_sendmsg+0x723/0xbe0 [ 667.457447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 667.457447][ T10] ___sys_sendmsg+0xee/0x170 [ 667.457447][ T10] __sys_sendmsg+0xcd/0x170 [ 667.457447][ T10] do_syscall_64+0xc6/0x1e0 [ 667.457447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 667.457447][ T10] [ 677.482941][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 677.483336][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 677.483336][ T10] netdev_get_by_index+0x5e/0x80 [ 677.483336][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.483336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.483336][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.483336][ T10] ipv6_add_addr+0x411/0x2000 [ 677.483336][ T10] inet6_addr_add+0x30e/0xa40 [ 677.483336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.483336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.483336][ T10] netlink_rcv_skb+0x130/0x360 [ 677.483336][ T10] netlink_unicast+0x449/0x710 [ 677.483336][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.483336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.483336][ T10] ___sys_sendmsg+0xee/0x170 [ 677.483336][ T10] __sys_sendmsg+0xcd/0x170 [ 677.483336][ T10] do_syscall_64+0xc6/0x1e0 [ 677.483336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.483336][ T10] [ 677.485445][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 677.485445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.485445][ T10] ipv6_find_idev+0x102/0x170 [ 677.485445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.485445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.485445][ T10] netlink_rcv_skb+0x130/0x360 [ 677.485445][ T10] netlink_unicast+0x449/0x710 [ 677.485445][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.485445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.485445][ T10] ___sys_sendmsg+0xee/0x170 [ 677.485445][ T10] __sys_sendmsg+0xcd/0x170 [ 677.485445][ T10] do_syscall_64+0xc6/0x1e0 [ 677.485445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.485445][ T10] [ 677.487032][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 677.487032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.487032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.487032][ T10] ipv6_find_idev+0x102/0x170 [ 677.487032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.487032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.487032][ T10] netlink_rcv_skb+0x130/0x360 [ 677.487032][ T10] netlink_unicast+0x449/0x710 [ 677.487032][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.487032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.487032][ T10] ___sys_sendmsg+0xee/0x170 [ 677.487032][ T10] __sys_sendmsg+0xcd/0x170 [ 677.487032][ T10] do_syscall_64+0xc6/0x1e0 [ 677.487032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.487032][ T10] [ 677.488744][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 677.489023][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 677.489023][ T10] netdev_get_by_index+0x5e/0x80 [ 677.489023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.489023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.489023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.489023][ T10] ipv6_add_addr+0x411/0x2000 [ 677.489023][ T10] inet6_addr_add+0x30e/0xa40 [ 677.489023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.489023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.489023][ T10] netlink_rcv_skb+0x130/0x360 [ 677.489023][ T10] netlink_unicast+0x449/0x710 [ 677.489023][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.489023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.489023][ T10] ___sys_sendmsg+0xee/0x170 [ 677.489023][ T10] __sys_sendmsg+0xcd/0x170 [ 677.489023][ T10] do_syscall_64+0xc6/0x1e0 [ 677.489023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.489023][ T10] [ 677.491182][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 677.491182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.491182][ T10] ipv6_find_idev+0x102/0x170 [ 677.491182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.491182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.491182][ T10] netlink_rcv_skb+0x130/0x360 [ 677.491182][ T10] netlink_unicast+0x449/0x710 [ 677.491182][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.491182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.491182][ T10] ___sys_sendmsg+0xee/0x170 [ 677.491182][ T10] __sys_sendmsg+0xcd/0x170 [ 677.491182][ T10] do_syscall_64+0xc6/0x1e0 [ 677.491182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.491182][ T10] [ 677.492847][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 677.492847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.492847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.492847][ T10] ipv6_find_idev+0x102/0x170 [ 677.492847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.492847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.492847][ T10] netlink_rcv_skb+0x130/0x360 [ 677.492847][ T10] netlink_unicast+0x449/0x710 [ 677.492847][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.492847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.492847][ T10] ___sys_sendmsg+0xee/0x170 [ 677.492847][ T10] __sys_sendmsg+0xcd/0x170 [ 677.492847][ T10] do_syscall_64+0xc6/0x1e0 [ 677.492847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.492847][ T10] [ 677.494633][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 677.494941][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 677.494941][ T10] netdev_get_by_index+0x5e/0x80 [ 677.494941][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.494941][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.494941][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.494941][ T10] ipv6_add_addr+0x411/0x2000 [ 677.494941][ T10] inet6_addr_add+0x30e/0xa40 [ 677.494941][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.494941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.494941][ T10] netlink_rcv_skb+0x130/0x360 [ 677.494941][ T10] netlink_unicast+0x449/0x710 [ 677.494941][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.494941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.494941][ T10] ___sys_sendmsg+0xee/0x170 [ 677.494941][ T10] __sys_sendmsg+0xcd/0x170 [ 677.494941][ T10] do_syscall_64+0xc6/0x1e0 [ 677.494941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.494941][ T10] [ 677.497063][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 677.497063][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.497063][ T10] ipv6_find_idev+0x102/0x170 [ 677.497063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.497063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.497063][ T10] netlink_rcv_skb+0x130/0x360 [ 677.497063][ T10] netlink_unicast+0x449/0x710 [ 677.497063][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.497063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.497063][ T10] ___sys_sendmsg+0xee/0x170 [ 677.497063][ T10] __sys_sendmsg+0xcd/0x170 [ 677.497063][ T10] do_syscall_64+0xc6/0x1e0 [ 677.497063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.497063][ T10] [ 677.498692][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 677.498692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.498692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.498692][ T10] ipv6_find_idev+0x102/0x170 [ 677.498692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.498692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.498692][ T10] netlink_rcv_skb+0x130/0x360 [ 677.498692][ T10] netlink_unicast+0x449/0x710 [ 677.498692][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.498692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.498692][ T10] ___sys_sendmsg+0xee/0x170 [ 677.498692][ T10] __sys_sendmsg+0xcd/0x170 [ 677.498692][ T10] do_syscall_64+0xc6/0x1e0 [ 677.498692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.498692][ T10] [ 677.500508][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 677.500778][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 677.500778][ T10] netdev_get_by_index+0x5e/0x80 [ 677.500778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.500778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.500778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.500778][ T10] ipv6_add_addr+0x411/0x2000 [ 677.500778][ T10] inet6_addr_add+0x30e/0xa40 [ 677.500778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.500778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.500778][ T10] netlink_rcv_skb+0x130/0x360 [ 677.500778][ T10] netlink_unicast+0x449/0x710 [ 677.500778][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.500778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.500778][ T10] ___sys_sendmsg+0xee/0x170 [ 677.500778][ T10] __sys_sendmsg+0xcd/0x170 [ 677.500778][ T10] do_syscall_64+0xc6/0x1e0 [ 677.500778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.500778][ T10] [ 677.502793][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 677.502793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.502793][ T10] ipv6_find_idev+0x102/0x170 [ 677.502793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.502793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.502793][ T10] netlink_rcv_skb+0x130/0x360 [ 677.502793][ T10] netlink_unicast+0x449/0x710 [ 677.502793][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.502793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.502793][ T10] ___sys_sendmsg+0xee/0x170 [ 677.502793][ T10] __sys_sendmsg+0xcd/0x170 [ 677.502793][ T10] do_syscall_64+0xc6/0x1e0 [ 677.502793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.502793][ T10] [ 677.504329][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 677.504329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.504329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.504329][ T10] ipv6_find_idev+0x102/0x170 [ 677.504329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.504329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.504329][ T10] netlink_rcv_skb+0x130/0x360 [ 677.504329][ T10] netlink_unicast+0x449/0x710 [ 677.504329][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.504329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.504329][ T10] ___sys_sendmsg+0xee/0x170 [ 677.504329][ T10] __sys_sendmsg+0xcd/0x170 [ 677.504329][ T10] do_syscall_64+0xc6/0x1e0 [ 677.504329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.504329][ T10] [ 677.506480][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 677.506783][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 677.506783][ T10] netdev_get_by_index+0x5e/0x80 [ 677.506783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.506783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.506783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.506783][ T10] ipv6_add_addr+0x411/0x2000 [ 677.506783][ T10] inet6_addr_add+0x30e/0xa40 [ 677.506783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.506783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.506783][ T10] netlink_rcv_skb+0x130/0x360 [ 677.506783][ T10] netlink_unicast+0x449/0x710 [ 677.506783][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.506783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.506783][ T10] ___sys_sendmsg+0xee/0x170 [ 677.506783][ T10] __sys_sendmsg+0xcd/0x170 [ 677.506783][ T10] do_syscall_64+0xc6/0x1e0 [ 677.506783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.506783][ T10] [ 677.508931][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 677.508931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.508931][ T10] ipv6_find_idev+0x102/0x170 [ 677.508931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.508931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.508931][ T10] netlink_rcv_skb+0x130/0x360 [ 677.508931][ T10] netlink_unicast+0x449/0x710 [ 677.508931][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.508931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.508931][ T10] ___sys_sendmsg+0xee/0x170 [ 677.508931][ T10] __sys_sendmsg+0xcd/0x170 [ 677.508931][ T10] do_syscall_64+0xc6/0x1e0 [ 677.508931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.508931][ T10] [ 677.510667][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 677.510667][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.510667][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.510667][ T10] ipv6_find_idev+0x102/0x170 [ 677.510667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.510667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.510667][ T10] netlink_rcv_skb+0x130/0x360 [ 677.510667][ T10] netlink_unicast+0x449/0x710 [ 677.510667][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.510667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.510667][ T10] ___sys_sendmsg+0xee/0x170 [ 677.510667][ T10] __sys_sendmsg+0xcd/0x170 [ 677.510667][ T10] do_syscall_64+0xc6/0x1e0 [ 677.510667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.510667][ T10] [ 677.512634][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 677.512993][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 677.512993][ T10] netdev_get_by_index+0x5e/0x80 [ 677.512993][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.512993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.512993][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.512993][ T10] ipv6_add_addr+0x411/0x2000 [ 677.512993][ T10] inet6_addr_add+0x30e/0xa40 [ 677.512993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.512993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.512993][ T10] netlink_rcv_skb+0x130/0x360 [ 677.512993][ T10] netlink_unicast+0x449/0x710 [ 677.512993][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.512993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.512993][ T10] ___sys_sendmsg+0xee/0x170 [ 677.512993][ T10] __sys_sendmsg+0xcd/0x170 [ 677.512993][ T10] do_syscall_64+0xc6/0x1e0 [ 677.512993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.512993][ T10] [ 677.515115][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 677.515115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.515115][ T10] ipv6_find_idev+0x102/0x170 [ 677.515115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.515115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.515115][ T10] netlink_rcv_skb+0x130/0x360 [ 677.515115][ T10] netlink_unicast+0x449/0x710 [ 677.515115][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.515115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.515115][ T10] ___sys_sendmsg+0xee/0x170 [ 677.515115][ T10] __sys_sendmsg+0xcd/0x170 [ 677.515115][ T10] do_syscall_64+0xc6/0x1e0 [ 677.515115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.515115][ T10] [ 677.516968][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 677.516968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.516968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.516968][ T10] ipv6_find_idev+0x102/0x170 [ 677.516968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.516968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.516968][ T10] netlink_rcv_skb+0x130/0x360 [ 677.516968][ T10] netlink_unicast+0x449/0x710 [ 677.516968][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.516968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.516968][ T10] ___sys_sendmsg+0xee/0x170 [ 677.516968][ T10] __sys_sendmsg+0xcd/0x170 [ 677.516968][ T10] do_syscall_64+0xc6/0x1e0 [ 677.516968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.516968][ T10] [ 677.518908][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 677.519171][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 677.519171][ T10] netdev_get_by_index+0x5e/0x80 [ 677.519171][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.519171][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.519171][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.519171][ T10] ipv6_add_addr+0x411/0x2000 [ 677.519171][ T10] inet6_addr_add+0x30e/0xa40 [ 677.519171][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.519171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.519171][ T10] netlink_rcv_skb+0x130/0x360 [ 677.519171][ T10] netlink_unicast+0x449/0x710 [ 677.519171][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.519171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.519171][ T10] ___sys_sendmsg+0xee/0x170 [ 677.519171][ T10] __sys_sendmsg+0xcd/0x170 [ 677.519171][ T10] do_syscall_64+0xc6/0x1e0 [ 677.519171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.519171][ T10] [ 677.521432][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 677.521432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.521432][ T10] ipv6_find_idev+0x102/0x170 [ 677.521432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.521432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.521432][ T10] netlink_rcv_skb+0x130/0x360 [ 677.521432][ T10] netlink_unicast+0x449/0x710 [ 677.521432][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.521432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.521432][ T10] ___sys_sendmsg+0xee/0x170 [ 677.521432][ T10] __sys_sendmsg+0xcd/0x170 [ 677.521432][ T10] do_syscall_64+0xc6/0x1e0 [ 677.521432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.521432][ T10] [ 677.523121][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 677.523121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.523121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.523121][ T10] ipv6_find_idev+0x102/0x170 [ 677.523121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.523121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.523121][ T10] netlink_rcv_skb+0x130/0x360 [ 677.523121][ T10] netlink_unicast+0x449/0x710 [ 677.523121][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.523121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.523121][ T10] ___sys_sendmsg+0xee/0x170 [ 677.523121][ T10] __sys_sendmsg+0xcd/0x170 [ 677.523121][ T10] do_syscall_64+0xc6/0x1e0 [ 677.523121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.523121][ T10] [ 677.524997][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 677.525254][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 677.525254][ T10] netdev_get_by_index+0x5e/0x80 [ 677.525254][ T10] fib6_nh_init+0x3d8/0x15b0 [ 677.525254][ T10] ip6_route_info_create+0xf18/0x17d0 [ 677.525254][ T10] addrconf_f6i_alloc+0x244/0x410 [ 677.525254][ T10] ipv6_add_addr+0x411/0x2000 [ 677.525254][ T10] inet6_addr_add+0x30e/0xa40 [ 677.525254][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 677.525254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.525254][ T10] netlink_rcv_skb+0x130/0x360 [ 677.525254][ T10] netlink_unicast+0x449/0x710 [ 677.525254][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.525254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.525254][ T10] ___sys_sendmsg+0xee/0x170 [ 677.525254][ T10] __sys_sendmsg+0xcd/0x170 [ 677.525254][ T10] do_syscall_64+0xc6/0x1e0 [ 677.525254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.525254][ T10] [ 677.527528][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 677.527528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 677.527528][ T10] ipv6_find_idev+0x102/0x170 [ 677.527528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.527528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.527528][ T10] netlink_rcv_skb+0x130/0x360 [ 677.527528][ T10] netlink_unicast+0x449/0x710 [ 677.527528][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.527528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.527528][ T10] ___sys_sendmsg+0xee/0x170 [ 677.527528][ T10] __sys_sendmsg+0xcd/0x170 [ 677.527528][ T10] do_syscall_64+0xc6/0x1e0 [ 677.527528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.527528][ T10] [ 677.529284][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 677.529284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 677.529284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 677.529284][ T10] ipv6_find_idev+0x102/0x170 [ 677.529284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 677.529284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 677.529284][ T10] netlink_rcv_skb+0x130/0x360 [ 677.529284][ T10] netlink_unicast+0x449/0x710 [ 677.529284][ T10] netlink_sendmsg+0x723/0xbe0 [ 677.529284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 677.529284][ T10] ___sys_sendmsg+0xee/0x170 [ 677.529284][ T10] __sys_sendmsg+0xcd/0x170 [ 677.529284][ T10] do_syscall_64+0xc6/0x1e0 [ 677.529284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 677.529284][ T10] [ 687.610944][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 687.611413][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 687.611413][ T10] netdev_get_by_index+0x5e/0x80 [ 687.611413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.611413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.611413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.611413][ T10] ipv6_add_addr+0x411/0x2000 [ 687.611413][ T10] inet6_addr_add+0x30e/0xa40 [ 687.611413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.611413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.611413][ T10] netlink_rcv_skb+0x130/0x360 [ 687.611413][ T10] netlink_unicast+0x449/0x710 [ 687.611413][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.611413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.611413][ T10] ___sys_sendmsg+0xee/0x170 [ 687.611413][ T10] __sys_sendmsg+0xcd/0x170 [ 687.611413][ T10] do_syscall_64+0xc6/0x1e0 [ 687.611413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.611413][ T10] [ 687.613746][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 687.613746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.613746][ T10] ipv6_find_idev+0x102/0x170 [ 687.613746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.613746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.613746][ T10] netlink_rcv_skb+0x130/0x360 [ 687.613746][ T10] netlink_unicast+0x449/0x710 [ 687.613746][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.613746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.613746][ T10] ___sys_sendmsg+0xee/0x170 [ 687.613746][ T10] __sys_sendmsg+0xcd/0x170 [ 687.613746][ T10] do_syscall_64+0xc6/0x1e0 [ 687.613746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.613746][ T10] [ 687.615530][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 687.615530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.615530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.615530][ T10] ipv6_find_idev+0x102/0x170 [ 687.615530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.615530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.615530][ T10] netlink_rcv_skb+0x130/0x360 [ 687.615530][ T10] netlink_unicast+0x449/0x710 [ 687.615530][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.615530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.615530][ T10] ___sys_sendmsg+0xee/0x170 [ 687.615530][ T10] __sys_sendmsg+0xcd/0x170 [ 687.615530][ T10] do_syscall_64+0xc6/0x1e0 [ 687.615530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.615530][ T10] [ 687.617508][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 687.617813][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 687.617813][ T10] netdev_get_by_index+0x5e/0x80 [ 687.617813][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.617813][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.617813][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.617813][ T10] ipv6_add_addr+0x411/0x2000 [ 687.617813][ T10] inet6_addr_add+0x30e/0xa40 [ 687.617813][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.617813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.617813][ T10] netlink_rcv_skb+0x130/0x360 [ 687.617813][ T10] netlink_unicast+0x449/0x710 [ 687.617813][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.617813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.617813][ T10] ___sys_sendmsg+0xee/0x170 [ 687.617813][ T10] __sys_sendmsg+0xcd/0x170 [ 687.617813][ T10] do_syscall_64+0xc6/0x1e0 [ 687.617813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.617813][ T10] [ 687.620692][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 687.620692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.620692][ T10] ipv6_find_idev+0x102/0x170 [ 687.620692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.620692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.620692][ T10] netlink_rcv_skb+0x130/0x360 [ 687.620692][ T10] netlink_unicast+0x449/0x710 [ 687.620692][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.620692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.620692][ T10] ___sys_sendmsg+0xee/0x170 [ 687.620692][ T10] __sys_sendmsg+0xcd/0x170 [ 687.620692][ T10] do_syscall_64+0xc6/0x1e0 [ 687.620692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.620692][ T10] [ 687.623402][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 687.623402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.623402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.623402][ T10] ipv6_find_idev+0x102/0x170 [ 687.623402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.623402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.623402][ T10] netlink_rcv_skb+0x130/0x360 [ 687.623402][ T10] netlink_unicast+0x449/0x710 [ 687.623402][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.623402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.623402][ T10] ___sys_sendmsg+0xee/0x170 [ 687.623402][ T10] __sys_sendmsg+0xcd/0x170 [ 687.623402][ T10] do_syscall_64+0xc6/0x1e0 [ 687.623402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.623402][ T10] [ 687.626186][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 687.626631][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 687.626631][ T10] netdev_get_by_index+0x5e/0x80 [ 687.626631][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.626631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.626631][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.626631][ T10] ipv6_add_addr+0x411/0x2000 [ 687.626631][ T10] inet6_addr_add+0x30e/0xa40 [ 687.626631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.626631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.626631][ T10] netlink_rcv_skb+0x130/0x360 [ 687.626631][ T10] netlink_unicast+0x449/0x710 [ 687.626631][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.626631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.626631][ T10] ___sys_sendmsg+0xee/0x170 [ 687.626631][ T10] __sys_sendmsg+0xcd/0x170 [ 687.626631][ T10] do_syscall_64+0xc6/0x1e0 [ 687.626631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.626631][ T10] [ 687.630067][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 687.630067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.630067][ T10] ipv6_find_idev+0x102/0x170 [ 687.630067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.630067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.630067][ T10] netlink_rcv_skb+0x130/0x360 [ 687.630067][ T10] netlink_unicast+0x449/0x710 [ 687.630067][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.630067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.630067][ T10] ___sys_sendmsg+0xee/0x170 [ 687.630067][ T10] __sys_sendmsg+0xcd/0x170 [ 687.630067][ T10] do_syscall_64+0xc6/0x1e0 [ 687.630067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.630067][ T10] [ 687.632764][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 687.632764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.632764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.632764][ T10] ipv6_find_idev+0x102/0x170 [ 687.632764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.632764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.632764][ T10] netlink_rcv_skb+0x130/0x360 [ 687.632764][ T10] netlink_unicast+0x449/0x710 [ 687.632764][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.632764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.632764][ T10] ___sys_sendmsg+0xee/0x170 [ 687.632764][ T10] __sys_sendmsg+0xcd/0x170 [ 687.632764][ T10] do_syscall_64+0xc6/0x1e0 [ 687.632764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.632764][ T10] [ 687.635724][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 687.637043][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 687.637043][ T10] netdev_get_by_index+0x5e/0x80 [ 687.637043][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.637043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.637043][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.637043][ T10] ipv6_add_addr+0x411/0x2000 [ 687.637043][ T10] inet6_addr_add+0x30e/0xa40 [ 687.637043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.637043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.637043][ T10] netlink_rcv_skb+0x130/0x360 [ 687.637043][ T10] netlink_unicast+0x449/0x710 [ 687.637043][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.637043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.637043][ T10] ___sys_sendmsg+0xee/0x170 [ 687.637043][ T10] __sys_sendmsg+0xcd/0x170 [ 687.637043][ T10] do_syscall_64+0xc6/0x1e0 [ 687.637043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.637043][ T10] [ 687.640513][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 687.640513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.640513][ T10] ipv6_find_idev+0x102/0x170 [ 687.640513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.640513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.640513][ T10] netlink_rcv_skb+0x130/0x360 [ 687.640513][ T10] netlink_unicast+0x449/0x710 [ 687.640513][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.640513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.640513][ T10] ___sys_sendmsg+0xee/0x170 [ 687.640513][ T10] __sys_sendmsg+0xcd/0x170 [ 687.640513][ T10] do_syscall_64+0xc6/0x1e0 [ 687.640513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.640513][ T10] [ 687.643029][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 687.643029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.643029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.643029][ T10] ipv6_find_idev+0x102/0x170 [ 687.643029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.643029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.643029][ T10] netlink_rcv_skb+0x130/0x360 [ 687.643029][ T10] netlink_unicast+0x449/0x710 [ 687.643029][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.643029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.643029][ T10] ___sys_sendmsg+0xee/0x170 [ 687.643029][ T10] __sys_sendmsg+0xcd/0x170 [ 687.643029][ T10] do_syscall_64+0xc6/0x1e0 [ 687.643029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.643029][ T10] [ 687.645888][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 687.646413][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 687.646413][ T10] netdev_get_by_index+0x5e/0x80 [ 687.646413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.646413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.646413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.646413][ T10] ipv6_add_addr+0x411/0x2000 [ 687.646413][ T10] inet6_addr_add+0x30e/0xa40 [ 687.646413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.646413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.646413][ T10] netlink_rcv_skb+0x130/0x360 [ 687.646413][ T10] netlink_unicast+0x449/0x710 [ 687.646413][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.646413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.646413][ T10] ___sys_sendmsg+0xee/0x170 [ 687.646413][ T10] __sys_sendmsg+0xcd/0x170 [ 687.646413][ T10] do_syscall_64+0xc6/0x1e0 [ 687.646413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.646413][ T10] [ 687.649814][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 687.649814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.649814][ T10] ipv6_find_idev+0x102/0x170 [ 687.649814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.649814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.649814][ T10] netlink_rcv_skb+0x130/0x360 [ 687.649814][ T10] netlink_unicast+0x449/0x710 [ 687.649814][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.649814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.649814][ T10] ___sys_sendmsg+0xee/0x170 [ 687.649814][ T10] __sys_sendmsg+0xcd/0x170 [ 687.649814][ T10] do_syscall_64+0xc6/0x1e0 [ 687.649814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.649814][ T10] [ 687.652473][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 687.652473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.652473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.652473][ T10] ipv6_find_idev+0x102/0x170 [ 687.652473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.652473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.652473][ T10] netlink_rcv_skb+0x130/0x360 [ 687.652473][ T10] netlink_unicast+0x449/0x710 [ 687.652473][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.652473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.652473][ T10] ___sys_sendmsg+0xee/0x170 [ 687.652473][ T10] __sys_sendmsg+0xcd/0x170 [ 687.652473][ T10] do_syscall_64+0xc6/0x1e0 [ 687.652473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.652473][ T10] [ 687.655563][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 687.656117][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 687.656117][ T10] netdev_get_by_index+0x5e/0x80 [ 687.656117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.656117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.656117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.656117][ T10] ipv6_add_addr+0x411/0x2000 [ 687.656117][ T10] inet6_addr_add+0x30e/0xa40 [ 687.656117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.656117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.656117][ T10] netlink_rcv_skb+0x130/0x360 [ 687.656117][ T10] netlink_unicast+0x449/0x710 [ 687.656117][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.656117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.656117][ T10] ___sys_sendmsg+0xee/0x170 [ 687.656117][ T10] __sys_sendmsg+0xcd/0x170 [ 687.656117][ T10] do_syscall_64+0xc6/0x1e0 [ 687.656117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.656117][ T10] [ 687.659512][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 687.659512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.659512][ T10] ipv6_find_idev+0x102/0x170 [ 687.659512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.659512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.659512][ T10] netlink_rcv_skb+0x130/0x360 [ 687.659512][ T10] netlink_unicast+0x449/0x710 [ 687.659512][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.659512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.659512][ T10] ___sys_sendmsg+0xee/0x170 [ 687.659512][ T10] __sys_sendmsg+0xcd/0x170 [ 687.659512][ T10] do_syscall_64+0xc6/0x1e0 [ 687.659512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.659512][ T10] [ 687.662486][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 687.662486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.662486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.662486][ T10] ipv6_find_idev+0x102/0x170 [ 687.662486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.662486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.662486][ T10] netlink_rcv_skb+0x130/0x360 [ 687.662486][ T10] netlink_unicast+0x449/0x710 [ 687.662486][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.662486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.662486][ T10] ___sys_sendmsg+0xee/0x170 [ 687.662486][ T10] __sys_sendmsg+0xcd/0x170 [ 687.662486][ T10] do_syscall_64+0xc6/0x1e0 [ 687.662486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.662486][ T10] [ 687.665949][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 687.666523][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 687.666523][ T10] netdev_get_by_index+0x5e/0x80 [ 687.666523][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.666523][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.666523][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.666523][ T10] ipv6_add_addr+0x411/0x2000 [ 687.666523][ T10] inet6_addr_add+0x30e/0xa40 [ 687.666523][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.666523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.666523][ T10] netlink_rcv_skb+0x130/0x360 [ 687.666523][ T10] netlink_unicast+0x449/0x710 [ 687.666523][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.666523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.666523][ T10] ___sys_sendmsg+0xee/0x170 [ 687.666523][ T10] __sys_sendmsg+0xcd/0x170 [ 687.666523][ T10] do_syscall_64+0xc6/0x1e0 [ 687.666523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.666523][ T10] [ 687.670387][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 687.670387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.670387][ T10] ipv6_find_idev+0x102/0x170 [ 687.670387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.670387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.670387][ T10] netlink_rcv_skb+0x130/0x360 [ 687.670387][ T10] netlink_unicast+0x449/0x710 [ 687.670387][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.670387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.670387][ T10] ___sys_sendmsg+0xee/0x170 [ 687.670387][ T10] __sys_sendmsg+0xcd/0x170 [ 687.670387][ T10] do_syscall_64+0xc6/0x1e0 [ 687.670387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.670387][ T10] [ 687.673299][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 687.673299][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.673299][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.673299][ T10] ipv6_find_idev+0x102/0x170 [ 687.673299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.673299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.673299][ T10] netlink_rcv_skb+0x130/0x360 [ 687.673299][ T10] netlink_unicast+0x449/0x710 [ 687.673299][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.673299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.673299][ T10] ___sys_sendmsg+0xee/0x170 [ 687.673299][ T10] __sys_sendmsg+0xcd/0x170 [ 687.673299][ T10] do_syscall_64+0xc6/0x1e0 [ 687.673299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.673299][ T10] [ 687.676715][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 687.677311][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 687.677311][ T10] netdev_get_by_index+0x5e/0x80 [ 687.677311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 687.677311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 687.677311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 687.677311][ T10] ipv6_add_addr+0x411/0x2000 [ 687.677311][ T10] inet6_addr_add+0x30e/0xa40 [ 687.677311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 687.677311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.677311][ T10] netlink_rcv_skb+0x130/0x360 [ 687.677311][ T10] netlink_unicast+0x449/0x710 [ 687.677311][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.677311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.677311][ T10] ___sys_sendmsg+0xee/0x170 [ 687.677311][ T10] __sys_sendmsg+0xcd/0x170 [ 687.677311][ T10] do_syscall_64+0xc6/0x1e0 [ 687.677311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.677311][ T10] [ 687.682244][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 687.682244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 687.682244][ T10] ipv6_find_idev+0x102/0x170 [ 687.682244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.682244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.682244][ T10] netlink_rcv_skb+0x130/0x360 [ 687.682244][ T10] netlink_unicast+0x449/0x710 [ 687.682244][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.682244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.682244][ T10] ___sys_sendmsg+0xee/0x170 [ 687.682244][ T10] __sys_sendmsg+0xcd/0x170 [ 687.682244][ T10] do_syscall_64+0xc6/0x1e0 [ 687.682244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.682244][ T10] [ 687.685433][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 687.685433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 687.685433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 687.685433][ T10] ipv6_find_idev+0x102/0x170 [ 687.685433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 687.685433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 687.685433][ T10] netlink_rcv_skb+0x130/0x360 [ 687.685433][ T10] netlink_unicast+0x449/0x710 [ 687.685433][ T10] netlink_sendmsg+0x723/0xbe0 [ 687.685433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 687.685433][ T10] ___sys_sendmsg+0xee/0x170 [ 687.685433][ T10] __sys_sendmsg+0xcd/0x170 [ 687.685433][ T10] do_syscall_64+0xc6/0x1e0 [ 687.685433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 687.685433][ T10] [ 697.890963][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 697.891605][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 697.891605][ T10] netdev_get_by_index+0x5e/0x80 [ 697.891605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.891605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.891605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.891605][ T10] ipv6_add_addr+0x411/0x2000 [ 697.891605][ T10] inet6_addr_add+0x30e/0xa40 [ 697.891605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.891605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.891605][ T10] netlink_rcv_skb+0x130/0x360 [ 697.891605][ T10] netlink_unicast+0x449/0x710 [ 697.891605][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.891605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.891605][ T10] ___sys_sendmsg+0xee/0x170 [ 697.891605][ T10] __sys_sendmsg+0xcd/0x170 [ 697.891605][ T10] do_syscall_64+0xc6/0x1e0 [ 697.891605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.891605][ T10] [ 697.894893][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 697.894893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.894893][ T10] ipv6_find_idev+0x102/0x170 [ 697.894893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.894893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.894893][ T10] netlink_rcv_skb+0x130/0x360 [ 697.894893][ T10] netlink_unicast+0x449/0x710 [ 697.894893][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.894893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.894893][ T10] ___sys_sendmsg+0xee/0x170 [ 697.894893][ T10] __sys_sendmsg+0xcd/0x170 [ 697.894893][ T10] do_syscall_64+0xc6/0x1e0 [ 697.894893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.894893][ T10] [ 697.897419][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 697.897419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.897419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.897419][ T10] ipv6_find_idev+0x102/0x170 [ 697.897419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.897419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.897419][ T10] netlink_rcv_skb+0x130/0x360 [ 697.897419][ T10] netlink_unicast+0x449/0x710 [ 697.897419][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.897419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.897419][ T10] ___sys_sendmsg+0xee/0x170 [ 697.897419][ T10] __sys_sendmsg+0xcd/0x170 [ 697.897419][ T10] do_syscall_64+0xc6/0x1e0 [ 697.897419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.897419][ T10] [ 697.899691][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 697.900027][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 697.900027][ T10] netdev_get_by_index+0x5e/0x80 [ 697.900027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.900027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.900027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.900027][ T10] ipv6_add_addr+0x411/0x2000 [ 697.900027][ T10] inet6_addr_add+0x30e/0xa40 [ 697.900027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.900027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.900027][ T10] netlink_rcv_skb+0x130/0x360 [ 697.900027][ T10] netlink_unicast+0x449/0x710 [ 697.900027][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.900027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.900027][ T10] ___sys_sendmsg+0xee/0x170 [ 697.900027][ T10] __sys_sendmsg+0xcd/0x170 [ 697.900027][ T10] do_syscall_64+0xc6/0x1e0 [ 697.900027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.900027][ T10] [ 697.902429][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 697.902429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.902429][ T10] ipv6_find_idev+0x102/0x170 [ 697.902429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.902429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.902429][ T10] netlink_rcv_skb+0x130/0x360 [ 697.902429][ T10] netlink_unicast+0x449/0x710 [ 697.902429][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.902429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.902429][ T10] ___sys_sendmsg+0xee/0x170 [ 697.902429][ T10] __sys_sendmsg+0xcd/0x170 [ 697.902429][ T10] do_syscall_64+0xc6/0x1e0 [ 697.902429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.902429][ T10] [ 697.904220][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 697.904220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.904220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.904220][ T10] ipv6_find_idev+0x102/0x170 [ 697.904220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.904220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.904220][ T10] netlink_rcv_skb+0x130/0x360 [ 697.904220][ T10] netlink_unicast+0x449/0x710 [ 697.904220][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.904220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.904220][ T10] ___sys_sendmsg+0xee/0x170 [ 697.904220][ T10] __sys_sendmsg+0xcd/0x170 [ 697.904220][ T10] do_syscall_64+0xc6/0x1e0 [ 697.904220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.904220][ T10] [ 697.906200][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 697.906506][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 697.906506][ T10] netdev_get_by_index+0x5e/0x80 [ 697.906506][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.906506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.906506][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.906506][ T10] ipv6_add_addr+0x411/0x2000 [ 697.906506][ T10] inet6_addr_add+0x30e/0xa40 [ 697.906506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.906506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.906506][ T10] netlink_rcv_skb+0x130/0x360 [ 697.906506][ T10] netlink_unicast+0x449/0x710 [ 697.906506][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.906506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.906506][ T10] ___sys_sendmsg+0xee/0x170 [ 697.906506][ T10] __sys_sendmsg+0xcd/0x170 [ 697.906506][ T10] do_syscall_64+0xc6/0x1e0 [ 697.906506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.906506][ T10] [ 697.908819][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 697.908819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.908819][ T10] ipv6_find_idev+0x102/0x170 [ 697.908819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.908819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.908819][ T10] netlink_rcv_skb+0x130/0x360 [ 697.908819][ T10] netlink_unicast+0x449/0x710 [ 697.908819][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.908819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.908819][ T10] ___sys_sendmsg+0xee/0x170 [ 697.908819][ T10] __sys_sendmsg+0xcd/0x170 [ 697.908819][ T10] do_syscall_64+0xc6/0x1e0 [ 697.908819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.908819][ T10] [ 697.910628][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 697.910628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.910628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.910628][ T10] ipv6_find_idev+0x102/0x170 [ 697.910628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.910628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.910628][ T10] netlink_rcv_skb+0x130/0x360 [ 697.910628][ T10] netlink_unicast+0x449/0x710 [ 697.910628][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.910628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.910628][ T10] ___sys_sendmsg+0xee/0x170 [ 697.910628][ T10] __sys_sendmsg+0xcd/0x170 [ 697.910628][ T10] do_syscall_64+0xc6/0x1e0 [ 697.910628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.910628][ T10] [ 697.912575][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 697.912882][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 697.912882][ T10] netdev_get_by_index+0x5e/0x80 [ 697.912882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.912882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.912882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.912882][ T10] ipv6_add_addr+0x411/0x2000 [ 697.912882][ T10] inet6_addr_add+0x30e/0xa40 [ 697.912882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.912882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.912882][ T10] netlink_rcv_skb+0x130/0x360 [ 697.912882][ T10] netlink_unicast+0x449/0x710 [ 697.912882][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.912882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.912882][ T10] ___sys_sendmsg+0xee/0x170 [ 697.912882][ T10] __sys_sendmsg+0xcd/0x170 [ 697.912882][ T10] do_syscall_64+0xc6/0x1e0 [ 697.912882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.912882][ T10] [ 697.915562][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 697.915562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.915562][ T10] ipv6_find_idev+0x102/0x170 [ 697.915562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.915562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.915562][ T10] netlink_rcv_skb+0x130/0x360 [ 697.915562][ T10] netlink_unicast+0x449/0x710 [ 697.915562][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.915562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.915562][ T10] ___sys_sendmsg+0xee/0x170 [ 697.915562][ T10] __sys_sendmsg+0xcd/0x170 [ 697.915562][ T10] do_syscall_64+0xc6/0x1e0 [ 697.915562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.915562][ T10] [ 697.917325][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 697.917325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.917325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.917325][ T10] ipv6_find_idev+0x102/0x170 [ 697.917325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.917325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.917325][ T10] netlink_rcv_skb+0x130/0x360 [ 697.917325][ T10] netlink_unicast+0x449/0x710 [ 697.917325][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.917325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.917325][ T10] ___sys_sendmsg+0xee/0x170 [ 697.917325][ T10] __sys_sendmsg+0xcd/0x170 [ 697.917325][ T10] do_syscall_64+0xc6/0x1e0 [ 697.917325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.917325][ T10] [ 697.919720][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 697.920388][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 697.920388][ T10] netdev_get_by_index+0x5e/0x80 [ 697.920388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.920388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.920388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.920388][ T10] ipv6_add_addr+0x411/0x2000 [ 697.920388][ T10] inet6_addr_add+0x30e/0xa40 [ 697.920388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.920388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.920388][ T10] netlink_rcv_skb+0x130/0x360 [ 697.920388][ T10] netlink_unicast+0x449/0x710 [ 697.920388][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.920388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.920388][ T10] ___sys_sendmsg+0xee/0x170 [ 697.920388][ T10] __sys_sendmsg+0xcd/0x170 [ 697.920388][ T10] do_syscall_64+0xc6/0x1e0 [ 697.920388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.920388][ T10] [ 697.922701][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 697.922701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.922701][ T10] ipv6_find_idev+0x102/0x170 [ 697.922701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.922701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.922701][ T10] netlink_rcv_skb+0x130/0x360 [ 697.922701][ T10] netlink_unicast+0x449/0x710 [ 697.922701][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.922701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.922701][ T10] ___sys_sendmsg+0xee/0x170 [ 697.922701][ T10] __sys_sendmsg+0xcd/0x170 [ 697.922701][ T10] do_syscall_64+0xc6/0x1e0 [ 697.922701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.922701][ T10] [ 697.924476][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 697.924476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.924476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.924476][ T10] ipv6_find_idev+0x102/0x170 [ 697.924476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.924476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.924476][ T10] netlink_rcv_skb+0x130/0x360 [ 697.924476][ T10] netlink_unicast+0x449/0x710 [ 697.924476][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.924476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.924476][ T10] ___sys_sendmsg+0xee/0x170 [ 697.924476][ T10] __sys_sendmsg+0xcd/0x170 [ 697.924476][ T10] do_syscall_64+0xc6/0x1e0 [ 697.924476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.924476][ T10] [ 697.926438][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 697.926734][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 697.926734][ T10] netdev_get_by_index+0x5e/0x80 [ 697.926734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.926734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.926734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.926734][ T10] ipv6_add_addr+0x411/0x2000 [ 697.926734][ T10] inet6_addr_add+0x30e/0xa40 [ 697.926734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.926734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.926734][ T10] netlink_rcv_skb+0x130/0x360 [ 697.926734][ T10] netlink_unicast+0x449/0x710 [ 697.926734][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.926734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.926734][ T10] ___sys_sendmsg+0xee/0x170 [ 697.926734][ T10] __sys_sendmsg+0xcd/0x170 [ 697.926734][ T10] do_syscall_64+0xc6/0x1e0 [ 697.926734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.926734][ T10] [ 697.929012][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 697.929012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.929012][ T10] ipv6_find_idev+0x102/0x170 [ 697.929012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.929012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.929012][ T10] netlink_rcv_skb+0x130/0x360 [ 697.929012][ T10] netlink_unicast+0x449/0x710 [ 697.929012][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.929012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.929012][ T10] ___sys_sendmsg+0xee/0x170 [ 697.929012][ T10] __sys_sendmsg+0xcd/0x170 [ 697.929012][ T10] do_syscall_64+0xc6/0x1e0 [ 697.929012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.929012][ T10] [ 697.930845][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 697.930845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.930845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.930845][ T10] ipv6_find_idev+0x102/0x170 [ 697.930845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.930845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.930845][ T10] netlink_rcv_skb+0x130/0x360 [ 697.930845][ T10] netlink_unicast+0x449/0x710 [ 697.930845][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.930845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.930845][ T10] ___sys_sendmsg+0xee/0x170 [ 697.930845][ T10] __sys_sendmsg+0xcd/0x170 [ 697.930845][ T10] do_syscall_64+0xc6/0x1e0 [ 697.930845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.930845][ T10] [ 697.932998][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 697.933339][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 697.933339][ T10] netdev_get_by_index+0x5e/0x80 [ 697.933339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.933339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.933339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.933339][ T10] ipv6_add_addr+0x411/0x2000 [ 697.933339][ T10] inet6_addr_add+0x30e/0xa40 [ 697.933339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.933339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.933339][ T10] netlink_rcv_skb+0x130/0x360 [ 697.933339][ T10] netlink_unicast+0x449/0x710 [ 697.933339][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.933339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.933339][ T10] ___sys_sendmsg+0xee/0x170 [ 697.933339][ T10] __sys_sendmsg+0xcd/0x170 [ 697.933339][ T10] do_syscall_64+0xc6/0x1e0 [ 697.933339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.933339][ T10] [ 697.935855][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 697.935855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.935855][ T10] ipv6_find_idev+0x102/0x170 [ 697.935855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.935855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.935855][ T10] netlink_rcv_skb+0x130/0x360 [ 697.935855][ T10] netlink_unicast+0x449/0x710 [ 697.935855][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.935855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.935855][ T10] ___sys_sendmsg+0xee/0x170 [ 697.935855][ T10] __sys_sendmsg+0xcd/0x170 [ 697.935855][ T10] do_syscall_64+0xc6/0x1e0 [ 697.935855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.935855][ T10] [ 697.937796][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 697.937796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.937796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.937796][ T10] ipv6_find_idev+0x102/0x170 [ 697.937796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.937796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.937796][ T10] netlink_rcv_skb+0x130/0x360 [ 697.937796][ T10] netlink_unicast+0x449/0x710 [ 697.937796][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.937796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.937796][ T10] ___sys_sendmsg+0xee/0x170 [ 697.937796][ T10] __sys_sendmsg+0xcd/0x170 [ 697.937796][ T10] do_syscall_64+0xc6/0x1e0 [ 697.937796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.937796][ T10] [ 697.939998][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 697.940364][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 697.940364][ T10] netdev_get_by_index+0x5e/0x80 [ 697.940364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 697.940364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 697.940364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 697.940364][ T10] ipv6_add_addr+0x411/0x2000 [ 697.940364][ T10] inet6_addr_add+0x30e/0xa40 [ 697.940364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 697.940364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.940364][ T10] netlink_rcv_skb+0x130/0x360 [ 697.940364][ T10] netlink_unicast+0x449/0x710 [ 697.940364][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.940364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.940364][ T10] ___sys_sendmsg+0xee/0x170 [ 697.940364][ T10] __sys_sendmsg+0xcd/0x170 [ 697.940364][ T10] do_syscall_64+0xc6/0x1e0 [ 697.940364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.940364][ T10] [ 697.942987][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 697.942987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 697.942987][ T10] ipv6_find_idev+0x102/0x170 [ 697.942987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.942987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.942987][ T10] netlink_rcv_skb+0x130/0x360 [ 697.942987][ T10] netlink_unicast+0x449/0x710 [ 697.942987][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.942987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.942987][ T10] ___sys_sendmsg+0xee/0x170 [ 697.942987][ T10] __sys_sendmsg+0xcd/0x170 [ 697.942987][ T10] do_syscall_64+0xc6/0x1e0 [ 697.942987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.942987][ T10] [ 697.945057][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 697.945057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 697.945057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 697.945057][ T10] ipv6_find_idev+0x102/0x170 [ 697.945057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 697.945057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 697.945057][ T10] netlink_rcv_skb+0x130/0x360 [ 697.945057][ T10] netlink_unicast+0x449/0x710 [ 697.945057][ T10] netlink_sendmsg+0x723/0xbe0 [ 697.945057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 697.945057][ T10] ___sys_sendmsg+0xee/0x170 [ 697.945057][ T10] __sys_sendmsg+0xcd/0x170 [ 697.945057][ T10] do_syscall_64+0xc6/0x1e0 [ 697.945057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 697.945057][ T10] [ 708.130948][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 708.131394][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 708.131394][ T10] netdev_get_by_index+0x5e/0x80 [ 708.131394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.131394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.131394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.131394][ T10] ipv6_add_addr+0x411/0x2000 [ 708.131394][ T10] inet6_addr_add+0x30e/0xa40 [ 708.131394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.131394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.131394][ T10] netlink_rcv_skb+0x130/0x360 [ 708.131394][ T10] netlink_unicast+0x449/0x710 [ 708.131394][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.131394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.131394][ T10] ___sys_sendmsg+0xee/0x170 [ 708.131394][ T10] __sys_sendmsg+0xcd/0x170 [ 708.131394][ T10] do_syscall_64+0xc6/0x1e0 [ 708.131394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.131394][ T10] [ 708.133607][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 708.133607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.133607][ T10] ipv6_find_idev+0x102/0x170 [ 708.133607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.133607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.133607][ T10] netlink_rcv_skb+0x130/0x360 [ 708.133607][ T10] netlink_unicast+0x449/0x710 [ 708.133607][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.133607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.133607][ T10] ___sys_sendmsg+0xee/0x170 [ 708.133607][ T10] __sys_sendmsg+0xcd/0x170 [ 708.133607][ T10] do_syscall_64+0xc6/0x1e0 [ 708.133607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.133607][ T10] [ 708.135239][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 708.135239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.135239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.135239][ T10] ipv6_find_idev+0x102/0x170 [ 708.135239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.135239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.135239][ T10] netlink_rcv_skb+0x130/0x360 [ 708.135239][ T10] netlink_unicast+0x449/0x710 [ 708.135239][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.135239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.135239][ T10] ___sys_sendmsg+0xee/0x170 [ 708.135239][ T10] __sys_sendmsg+0xcd/0x170 [ 708.135239][ T10] do_syscall_64+0xc6/0x1e0 [ 708.135239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.135239][ T10] [ 708.136963][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 708.137230][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 708.137230][ T10] netdev_get_by_index+0x5e/0x80 [ 708.137230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.137230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.137230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.137230][ T10] ipv6_add_addr+0x411/0x2000 [ 708.137230][ T10] inet6_addr_add+0x30e/0xa40 [ 708.137230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.137230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.137230][ T10] netlink_rcv_skb+0x130/0x360 [ 708.137230][ T10] netlink_unicast+0x449/0x710 [ 708.137230][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.137230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.137230][ T10] ___sys_sendmsg+0xee/0x170 [ 708.137230][ T10] __sys_sendmsg+0xcd/0x170 [ 708.137230][ T10] do_syscall_64+0xc6/0x1e0 [ 708.137230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.137230][ T10] [ 708.139216][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 708.139216][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.139216][ T10] ipv6_find_idev+0x102/0x170 [ 708.139216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.139216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.139216][ T10] netlink_rcv_skb+0x130/0x360 [ 708.139216][ T10] netlink_unicast+0x449/0x710 [ 708.139216][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.139216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.139216][ T10] ___sys_sendmsg+0xee/0x170 [ 708.139216][ T10] __sys_sendmsg+0xcd/0x170 [ 708.139216][ T10] do_syscall_64+0xc6/0x1e0 [ 708.139216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.139216][ T10] [ 708.140757][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 708.140757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.140757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.140757][ T10] ipv6_find_idev+0x102/0x170 [ 708.140757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.140757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.140757][ T10] netlink_rcv_skb+0x130/0x360 [ 708.140757][ T10] netlink_unicast+0x449/0x710 [ 708.140757][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.140757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.140757][ T10] ___sys_sendmsg+0xee/0x170 [ 708.140757][ T10] __sys_sendmsg+0xcd/0x170 [ 708.140757][ T10] do_syscall_64+0xc6/0x1e0 [ 708.140757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.140757][ T10] [ 708.142529][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 708.142808][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 708.142808][ T10] netdev_get_by_index+0x5e/0x80 [ 708.142808][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.142808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.142808][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.142808][ T10] ipv6_add_addr+0x411/0x2000 [ 708.142808][ T10] inet6_addr_add+0x30e/0xa40 [ 708.142808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.142808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.142808][ T10] netlink_rcv_skb+0x130/0x360 [ 708.142808][ T10] netlink_unicast+0x449/0x710 [ 708.142808][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.142808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.142808][ T10] ___sys_sendmsg+0xee/0x170 [ 708.142808][ T10] __sys_sendmsg+0xcd/0x170 [ 708.142808][ T10] do_syscall_64+0xc6/0x1e0 [ 708.142808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.142808][ T10] [ 708.144939][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 708.144939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.144939][ T10] ipv6_find_idev+0x102/0x170 [ 708.144939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.144939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.144939][ T10] netlink_rcv_skb+0x130/0x360 [ 708.144939][ T10] netlink_unicast+0x449/0x710 [ 708.144939][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.144939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.144939][ T10] ___sys_sendmsg+0xee/0x170 [ 708.144939][ T10] __sys_sendmsg+0xcd/0x170 [ 708.144939][ T10] do_syscall_64+0xc6/0x1e0 [ 708.144939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.144939][ T10] [ 708.146942][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 708.146942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.146942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.146942][ T10] ipv6_find_idev+0x102/0x170 [ 708.146942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.146942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.146942][ T10] netlink_rcv_skb+0x130/0x360 [ 708.146942][ T10] netlink_unicast+0x449/0x710 [ 708.146942][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.146942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.146942][ T10] ___sys_sendmsg+0xee/0x170 [ 708.146942][ T10] __sys_sendmsg+0xcd/0x170 [ 708.146942][ T10] do_syscall_64+0xc6/0x1e0 [ 708.146942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.146942][ T10] [ 708.148717][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 708.149486][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 708.149486][ T10] netdev_get_by_index+0x5e/0x80 [ 708.149486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.149486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.149486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.149486][ T10] ipv6_add_addr+0x411/0x2000 [ 708.149486][ T10] inet6_addr_add+0x30e/0xa40 [ 708.149486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.149486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.149486][ T10] netlink_rcv_skb+0x130/0x360 [ 708.149486][ T10] netlink_unicast+0x449/0x710 [ 708.149486][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.149486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.149486][ T10] ___sys_sendmsg+0xee/0x170 [ 708.149486][ T10] __sys_sendmsg+0xcd/0x170 [ 708.149486][ T10] do_syscall_64+0xc6/0x1e0 [ 708.149486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.149486][ T10] [ 708.151647][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 708.151647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.151647][ T10] ipv6_find_idev+0x102/0x170 [ 708.151647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.151647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.151647][ T10] netlink_rcv_skb+0x130/0x360 [ 708.151647][ T10] netlink_unicast+0x449/0x710 [ 708.151647][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.151647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.151647][ T10] ___sys_sendmsg+0xee/0x170 [ 708.151647][ T10] __sys_sendmsg+0xcd/0x170 [ 708.151647][ T10] do_syscall_64+0xc6/0x1e0 [ 708.151647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.151647][ T10] [ 708.153275][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 708.153275][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.153275][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.153275][ T10] ipv6_find_idev+0x102/0x170 [ 708.153275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.153275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.153275][ T10] netlink_rcv_skb+0x130/0x360 [ 708.153275][ T10] netlink_unicast+0x449/0x710 [ 708.153275][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.153275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.153275][ T10] ___sys_sendmsg+0xee/0x170 [ 708.153275][ T10] __sys_sendmsg+0xcd/0x170 [ 708.153275][ T10] do_syscall_64+0xc6/0x1e0 [ 708.153275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.153275][ T10] [ 708.155007][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 708.155282][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 708.155282][ T10] netdev_get_by_index+0x5e/0x80 [ 708.155282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.155282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.155282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.155282][ T10] ipv6_add_addr+0x411/0x2000 [ 708.155282][ T10] inet6_addr_add+0x30e/0xa40 [ 708.155282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.155282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.155282][ T10] netlink_rcv_skb+0x130/0x360 [ 708.155282][ T10] netlink_unicast+0x449/0x710 [ 708.155282][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.155282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.155282][ T10] ___sys_sendmsg+0xee/0x170 [ 708.155282][ T10] __sys_sendmsg+0xcd/0x170 [ 708.155282][ T10] do_syscall_64+0xc6/0x1e0 [ 708.155282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.155282][ T10] [ 708.157331][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 708.157331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.157331][ T10] ipv6_find_idev+0x102/0x170 [ 708.157331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.157331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.157331][ T10] netlink_rcv_skb+0x130/0x360 [ 708.157331][ T10] netlink_unicast+0x449/0x710 [ 708.157331][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.157331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.157331][ T10] ___sys_sendmsg+0xee/0x170 [ 708.157331][ T10] __sys_sendmsg+0xcd/0x170 [ 708.157331][ T10] do_syscall_64+0xc6/0x1e0 [ 708.157331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.157331][ T10] [ 708.158863][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 708.158863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.158863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.158863][ T10] ipv6_find_idev+0x102/0x170 [ 708.158863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.158863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.158863][ T10] netlink_rcv_skb+0x130/0x360 [ 708.158863][ T10] netlink_unicast+0x449/0x710 [ 708.158863][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.158863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.158863][ T10] ___sys_sendmsg+0xee/0x170 [ 708.158863][ T10] __sys_sendmsg+0xcd/0x170 [ 708.158863][ T10] do_syscall_64+0xc6/0x1e0 [ 708.158863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.158863][ T10] [ 708.160618][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 708.160944][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 708.160944][ T10] netdev_get_by_index+0x5e/0x80 [ 708.160944][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.160944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.160944][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.160944][ T10] ipv6_add_addr+0x411/0x2000 [ 708.160944][ T10] inet6_addr_add+0x30e/0xa40 [ 708.160944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.160944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.160944][ T10] netlink_rcv_skb+0x130/0x360 [ 708.160944][ T10] netlink_unicast+0x449/0x710 [ 708.160944][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.160944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.160944][ T10] ___sys_sendmsg+0xee/0x170 [ 708.160944][ T10] __sys_sendmsg+0xcd/0x170 [ 708.160944][ T10] do_syscall_64+0xc6/0x1e0 [ 708.160944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.160944][ T10] [ 708.163059][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 708.163059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.163059][ T10] ipv6_find_idev+0x102/0x170 [ 708.163059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.163059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.163059][ T10] netlink_rcv_skb+0x130/0x360 [ 708.163059][ T10] netlink_unicast+0x449/0x710 [ 708.163059][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.163059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.163059][ T10] ___sys_sendmsg+0xee/0x170 [ 708.163059][ T10] __sys_sendmsg+0xcd/0x170 [ 708.163059][ T10] do_syscall_64+0xc6/0x1e0 [ 708.163059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.163059][ T10] [ 708.164704][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 708.164704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.164704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.164704][ T10] ipv6_find_idev+0x102/0x170 [ 708.164704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.164704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.164704][ T10] netlink_rcv_skb+0x130/0x360 [ 708.164704][ T10] netlink_unicast+0x449/0x710 [ 708.164704][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.164704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.164704][ T10] ___sys_sendmsg+0xee/0x170 [ 708.164704][ T10] __sys_sendmsg+0xcd/0x170 [ 708.164704][ T10] do_syscall_64+0xc6/0x1e0 [ 708.164704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.164704][ T10] [ 708.166751][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 708.167077][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 708.167077][ T10] netdev_get_by_index+0x5e/0x80 [ 708.167077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.167077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.167077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.167077][ T10] ipv6_add_addr+0x411/0x2000 [ 708.167077][ T10] inet6_addr_add+0x30e/0xa40 [ 708.167077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.167077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.167077][ T10] netlink_rcv_skb+0x130/0x360 [ 708.167077][ T10] netlink_unicast+0x449/0x710 [ 708.167077][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.167077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.167077][ T10] ___sys_sendmsg+0xee/0x170 [ 708.167077][ T10] __sys_sendmsg+0xcd/0x170 [ 708.167077][ T10] do_syscall_64+0xc6/0x1e0 [ 708.167077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.167077][ T10] [ 708.169363][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 708.169363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.169363][ T10] ipv6_find_idev+0x102/0x170 [ 708.169363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.169363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.169363][ T10] netlink_rcv_skb+0x130/0x360 [ 708.169363][ T10] netlink_unicast+0x449/0x710 [ 708.169363][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.169363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.169363][ T10] ___sys_sendmsg+0xee/0x170 [ 708.169363][ T10] __sys_sendmsg+0xcd/0x170 [ 708.169363][ T10] do_syscall_64+0xc6/0x1e0 [ 708.169363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.169363][ T10] [ 708.171175][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 708.171175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.171175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.171175][ T10] ipv6_find_idev+0x102/0x170 [ 708.171175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.171175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.171175][ T10] netlink_rcv_skb+0x130/0x360 [ 708.171175][ T10] netlink_unicast+0x449/0x710 [ 708.171175][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.171175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.171175][ T10] ___sys_sendmsg+0xee/0x170 [ 708.171175][ T10] __sys_sendmsg+0xcd/0x170 [ 708.171175][ T10] do_syscall_64+0xc6/0x1e0 [ 708.171175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.171175][ T10] [ 708.173159][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 708.173487][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 708.173487][ T10] netdev_get_by_index+0x5e/0x80 [ 708.173487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 708.173487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 708.173487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 708.173487][ T10] ipv6_add_addr+0x411/0x2000 [ 708.173487][ T10] inet6_addr_add+0x30e/0xa40 [ 708.173487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 708.173487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.173487][ T10] netlink_rcv_skb+0x130/0x360 [ 708.173487][ T10] netlink_unicast+0x449/0x710 [ 708.173487][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.173487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.173487][ T10] ___sys_sendmsg+0xee/0x170 [ 708.173487][ T10] __sys_sendmsg+0xcd/0x170 [ 708.173487][ T10] do_syscall_64+0xc6/0x1e0 [ 708.173487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.173487][ T10] [ 708.175713][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 708.175713][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 708.175713][ T10] ipv6_find_idev+0x102/0x170 [ 708.175713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.175713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.175713][ T10] netlink_rcv_skb+0x130/0x360 [ 708.175713][ T10] netlink_unicast+0x449/0x710 [ 708.175713][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.175713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.175713][ T10] ___sys_sendmsg+0xee/0x170 [ 708.175713][ T10] __sys_sendmsg+0xcd/0x170 [ 708.175713][ T10] do_syscall_64+0xc6/0x1e0 [ 708.175713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.175713][ T10] [ 708.177510][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 708.177510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 708.177510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 708.177510][ T10] ipv6_find_idev+0x102/0x170 [ 708.177510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 708.177510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 708.177510][ T10] netlink_rcv_skb+0x130/0x360 [ 708.177510][ T10] netlink_unicast+0x449/0x710 [ 708.177510][ T10] netlink_sendmsg+0x723/0xbe0 [ 708.177510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 708.177510][ T10] ___sys_sendmsg+0xee/0x170 [ 708.177510][ T10] __sys_sendmsg+0xcd/0x170 [ 708.177510][ T10] do_syscall_64+0xc6/0x1e0 [ 708.177510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 708.177510][ T10] [ 718.386918][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 718.387403][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 718.387403][ T10] netdev_get_by_index+0x5e/0x80 [ 718.387403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.387403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.387403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.387403][ T10] ipv6_add_addr+0x411/0x2000 [ 718.387403][ T10] inet6_addr_add+0x30e/0xa40 [ 718.387403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.387403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.387403][ T10] netlink_rcv_skb+0x130/0x360 [ 718.387403][ T10] netlink_unicast+0x449/0x710 [ 718.387403][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.387403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.387403][ T10] ___sys_sendmsg+0xee/0x170 [ 718.387403][ T10] __sys_sendmsg+0xcd/0x170 [ 718.387403][ T10] do_syscall_64+0xc6/0x1e0 [ 718.387403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.387403][ T10] [ 718.389510][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 718.389510][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.389510][ T10] ipv6_find_idev+0x102/0x170 [ 718.389510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.389510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.389510][ T10] netlink_rcv_skb+0x130/0x360 [ 718.389510][ T10] netlink_unicast+0x449/0x710 [ 718.389510][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.389510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.389510][ T10] ___sys_sendmsg+0xee/0x170 [ 718.389510][ T10] __sys_sendmsg+0xcd/0x170 [ 718.389510][ T10] do_syscall_64+0xc6/0x1e0 [ 718.389510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.389510][ T10] [ 718.391168][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 718.391168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.391168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.391168][ T10] ipv6_find_idev+0x102/0x170 [ 718.391168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.391168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.391168][ T10] netlink_rcv_skb+0x130/0x360 [ 718.391168][ T10] netlink_unicast+0x449/0x710 [ 718.391168][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.391168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.391168][ T10] ___sys_sendmsg+0xee/0x170 [ 718.391168][ T10] __sys_sendmsg+0xcd/0x170 [ 718.391168][ T10] do_syscall_64+0xc6/0x1e0 [ 718.391168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.391168][ T10] [ 718.392977][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 718.393270][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 718.393270][ T10] netdev_get_by_index+0x5e/0x80 [ 718.393270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.393270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.393270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.393270][ T10] ipv6_add_addr+0x411/0x2000 [ 718.393270][ T10] inet6_addr_add+0x30e/0xa40 [ 718.393270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.393270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.393270][ T10] netlink_rcv_skb+0x130/0x360 [ 718.393270][ T10] netlink_unicast+0x449/0x710 [ 718.393270][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.393270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.393270][ T10] ___sys_sendmsg+0xee/0x170 [ 718.393270][ T10] __sys_sendmsg+0xcd/0x170 [ 718.393270][ T10] do_syscall_64+0xc6/0x1e0 [ 718.393270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.393270][ T10] [ 718.395278][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 718.395278][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.395278][ T10] ipv6_find_idev+0x102/0x170 [ 718.395278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.395278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.395278][ T10] netlink_rcv_skb+0x130/0x360 [ 718.395278][ T10] netlink_unicast+0x449/0x710 [ 718.395278][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.395278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.395278][ T10] ___sys_sendmsg+0xee/0x170 [ 718.395278][ T10] __sys_sendmsg+0xcd/0x170 [ 718.395278][ T10] do_syscall_64+0xc6/0x1e0 [ 718.395278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.395278][ T10] [ 718.396827][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 718.396827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.396827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.396827][ T10] ipv6_find_idev+0x102/0x170 [ 718.396827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.396827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.396827][ T10] netlink_rcv_skb+0x130/0x360 [ 718.396827][ T10] netlink_unicast+0x449/0x710 [ 718.396827][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.396827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.396827][ T10] ___sys_sendmsg+0xee/0x170 [ 718.396827][ T10] __sys_sendmsg+0xcd/0x170 [ 718.396827][ T10] do_syscall_64+0xc6/0x1e0 [ 718.396827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.396827][ T10] [ 718.398638][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 718.398926][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 718.398926][ T10] netdev_get_by_index+0x5e/0x80 [ 718.398926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.398926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.398926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.398926][ T10] ipv6_add_addr+0x411/0x2000 [ 718.398926][ T10] inet6_addr_add+0x30e/0xa40 [ 718.398926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.398926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.398926][ T10] netlink_rcv_skb+0x130/0x360 [ 718.398926][ T10] netlink_unicast+0x449/0x710 [ 718.398926][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.398926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.398926][ T10] ___sys_sendmsg+0xee/0x170 [ 718.398926][ T10] __sys_sendmsg+0xcd/0x170 [ 718.398926][ T10] do_syscall_64+0xc6/0x1e0 [ 718.398926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.398926][ T10] [ 718.400998][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 718.400998][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.400998][ T10] ipv6_find_idev+0x102/0x170 [ 718.400998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.400998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.400998][ T10] netlink_rcv_skb+0x130/0x360 [ 718.400998][ T10] netlink_unicast+0x449/0x710 [ 718.400998][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.400998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.400998][ T10] ___sys_sendmsg+0xee/0x170 [ 718.400998][ T10] __sys_sendmsg+0xcd/0x170 [ 718.400998][ T10] do_syscall_64+0xc6/0x1e0 [ 718.400998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.400998][ T10] [ 718.402638][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 718.402638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.402638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.402638][ T10] ipv6_find_idev+0x102/0x170 [ 718.402638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.402638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.402638][ T10] netlink_rcv_skb+0x130/0x360 [ 718.402638][ T10] netlink_unicast+0x449/0x710 [ 718.402638][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.402638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.402638][ T10] ___sys_sendmsg+0xee/0x170 [ 718.402638][ T10] __sys_sendmsg+0xcd/0x170 [ 718.402638][ T10] do_syscall_64+0xc6/0x1e0 [ 718.402638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.402638][ T10] [ 718.404428][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 718.404713][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 718.404713][ T10] netdev_get_by_index+0x5e/0x80 [ 718.404713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.404713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.404713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.404713][ T10] ipv6_add_addr+0x411/0x2000 [ 718.404713][ T10] inet6_addr_add+0x30e/0xa40 [ 718.404713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.404713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.404713][ T10] netlink_rcv_skb+0x130/0x360 [ 718.404713][ T10] netlink_unicast+0x449/0x710 [ 718.404713][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.404713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.404713][ T10] ___sys_sendmsg+0xee/0x170 [ 718.404713][ T10] __sys_sendmsg+0xcd/0x170 [ 718.404713][ T10] do_syscall_64+0xc6/0x1e0 [ 718.404713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.404713][ T10] [ 718.406777][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 718.406777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.406777][ T10] ipv6_find_idev+0x102/0x170 [ 718.406777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.406777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.406777][ T10] netlink_rcv_skb+0x130/0x360 [ 718.406777][ T10] netlink_unicast+0x449/0x710 [ 718.406777][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.406777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.406777][ T10] ___sys_sendmsg+0xee/0x170 [ 718.406777][ T10] __sys_sendmsg+0xcd/0x170 [ 718.406777][ T10] do_syscall_64+0xc6/0x1e0 [ 718.406777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.406777][ T10] [ 718.408312][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 718.408312][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.408312][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.408312][ T10] ipv6_find_idev+0x102/0x170 [ 718.408312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.408312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.408312][ T10] netlink_rcv_skb+0x130/0x360 [ 718.408312][ T10] netlink_unicast+0x449/0x710 [ 718.408312][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.408312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.408312][ T10] ___sys_sendmsg+0xee/0x170 [ 718.408312][ T10] __sys_sendmsg+0xcd/0x170 [ 718.408312][ T10] do_syscall_64+0xc6/0x1e0 [ 718.408312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.408312][ T10] [ 718.410426][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 718.410696][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 718.410696][ T10] netdev_get_by_index+0x5e/0x80 [ 718.410696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.410696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.410696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.410696][ T10] ipv6_add_addr+0x411/0x2000 [ 718.410696][ T10] inet6_addr_add+0x30e/0xa40 [ 718.410696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.410696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.410696][ T10] netlink_rcv_skb+0x130/0x360 [ 718.410696][ T10] netlink_unicast+0x449/0x710 [ 718.410696][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.410696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.410696][ T10] ___sys_sendmsg+0xee/0x170 [ 718.410696][ T10] __sys_sendmsg+0xcd/0x170 [ 718.410696][ T10] do_syscall_64+0xc6/0x1e0 [ 718.410696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.410696][ T10] [ 718.412737][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 718.412737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.412737][ T10] ipv6_find_idev+0x102/0x170 [ 718.412737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.412737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.412737][ T10] netlink_rcv_skb+0x130/0x360 [ 718.412737][ T10] netlink_unicast+0x449/0x710 [ 718.412737][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.412737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.412737][ T10] ___sys_sendmsg+0xee/0x170 [ 718.412737][ T10] __sys_sendmsg+0xcd/0x170 [ 718.412737][ T10] do_syscall_64+0xc6/0x1e0 [ 718.412737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.412737][ T10] [ 718.414354][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 718.414354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.414354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.414354][ T10] ipv6_find_idev+0x102/0x170 [ 718.414354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.414354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.414354][ T10] netlink_rcv_skb+0x130/0x360 [ 718.414354][ T10] netlink_unicast+0x449/0x710 [ 718.414354][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.414354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.414354][ T10] ___sys_sendmsg+0xee/0x170 [ 718.414354][ T10] __sys_sendmsg+0xcd/0x170 [ 718.414354][ T10] do_syscall_64+0xc6/0x1e0 [ 718.414354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.414354][ T10] [ 718.416157][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 718.416442][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 718.416442][ T10] netdev_get_by_index+0x5e/0x80 [ 718.416442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.416442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.416442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.416442][ T10] ipv6_add_addr+0x411/0x2000 [ 718.416442][ T10] inet6_addr_add+0x30e/0xa40 [ 718.416442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.416442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.416442][ T10] netlink_rcv_skb+0x130/0x360 [ 718.416442][ T10] netlink_unicast+0x449/0x710 [ 718.416442][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.416442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.416442][ T10] ___sys_sendmsg+0xee/0x170 [ 718.416442][ T10] __sys_sendmsg+0xcd/0x170 [ 718.416442][ T10] do_syscall_64+0xc6/0x1e0 [ 718.416442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.416442][ T10] [ 718.418663][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 718.418663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.418663][ T10] ipv6_find_idev+0x102/0x170 [ 718.418663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.418663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.418663][ T10] netlink_rcv_skb+0x130/0x360 [ 718.418663][ T10] netlink_unicast+0x449/0x710 [ 718.418663][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.418663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.418663][ T10] ___sys_sendmsg+0xee/0x170 [ 718.418663][ T10] __sys_sendmsg+0xcd/0x170 [ 718.418663][ T10] do_syscall_64+0xc6/0x1e0 [ 718.418663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.418663][ T10] [ 718.420523][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 718.420523][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.420523][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.420523][ T10] ipv6_find_idev+0x102/0x170 [ 718.420523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.420523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.420523][ T10] netlink_rcv_skb+0x130/0x360 [ 718.420523][ T10] netlink_unicast+0x449/0x710 [ 718.420523][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.420523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.420523][ T10] ___sys_sendmsg+0xee/0x170 [ 718.420523][ T10] __sys_sendmsg+0xcd/0x170 [ 718.420523][ T10] do_syscall_64+0xc6/0x1e0 [ 718.420523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.420523][ T10] [ 718.422566][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 718.422829][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 718.422829][ T10] netdev_get_by_index+0x5e/0x80 [ 718.422829][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.422829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.422829][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.422829][ T10] ipv6_add_addr+0x411/0x2000 [ 718.422829][ T10] inet6_addr_add+0x30e/0xa40 [ 718.422829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.422829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.422829][ T10] netlink_rcv_skb+0x130/0x360 [ 718.422829][ T10] netlink_unicast+0x449/0x710 [ 718.422829][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.422829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.422829][ T10] ___sys_sendmsg+0xee/0x170 [ 718.422829][ T10] __sys_sendmsg+0xcd/0x170 [ 718.422829][ T10] do_syscall_64+0xc6/0x1e0 [ 718.422829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.422829][ T10] [ 718.425167][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 718.425167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.425167][ T10] ipv6_find_idev+0x102/0x170 [ 718.425167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.425167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.425167][ T10] netlink_rcv_skb+0x130/0x360 [ 718.425167][ T10] netlink_unicast+0x449/0x710 [ 718.425167][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.425167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.425167][ T10] ___sys_sendmsg+0xee/0x170 [ 718.425167][ T10] __sys_sendmsg+0xcd/0x170 [ 718.425167][ T10] do_syscall_64+0xc6/0x1e0 [ 718.425167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.425167][ T10] [ 718.426923][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 718.426923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.426923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.426923][ T10] ipv6_find_idev+0x102/0x170 [ 718.426923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.426923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.426923][ T10] netlink_rcv_skb+0x130/0x360 [ 718.426923][ T10] netlink_unicast+0x449/0x710 [ 718.426923][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.426923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.426923][ T10] ___sys_sendmsg+0xee/0x170 [ 718.426923][ T10] __sys_sendmsg+0xcd/0x170 [ 718.426923][ T10] do_syscall_64+0xc6/0x1e0 [ 718.426923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.426923][ T10] [ 718.428862][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 718.429130][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 718.429130][ T10] netdev_get_by_index+0x5e/0x80 [ 718.429130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 718.429130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 718.429130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 718.429130][ T10] ipv6_add_addr+0x411/0x2000 [ 718.429130][ T10] inet6_addr_add+0x30e/0xa40 [ 718.429130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 718.429130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.429130][ T10] netlink_rcv_skb+0x130/0x360 [ 718.429130][ T10] netlink_unicast+0x449/0x710 [ 718.429130][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.429130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.429130][ T10] ___sys_sendmsg+0xee/0x170 [ 718.429130][ T10] __sys_sendmsg+0xcd/0x170 [ 718.429130][ T10] do_syscall_64+0xc6/0x1e0 [ 718.429130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.429130][ T10] [ 718.431384][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 718.431384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 718.431384][ T10] ipv6_find_idev+0x102/0x170 [ 718.431384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.431384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.431384][ T10] netlink_rcv_skb+0x130/0x360 [ 718.431384][ T10] netlink_unicast+0x449/0x710 [ 718.431384][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.431384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.431384][ T10] ___sys_sendmsg+0xee/0x170 [ 718.431384][ T10] __sys_sendmsg+0xcd/0x170 [ 718.431384][ T10] do_syscall_64+0xc6/0x1e0 [ 718.431384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.431384][ T10] [ 718.433198][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 718.433198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 718.433198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 718.433198][ T10] ipv6_find_idev+0x102/0x170 [ 718.433198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 718.433198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 718.433198][ T10] netlink_rcv_skb+0x130/0x360 [ 718.433198][ T10] netlink_unicast+0x449/0x710 [ 718.433198][ T10] netlink_sendmsg+0x723/0xbe0 [ 718.433198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 718.433198][ T10] ___sys_sendmsg+0xee/0x170 [ 718.433198][ T10] __sys_sendmsg+0xcd/0x170 [ 718.433198][ T10] do_syscall_64+0xc6/0x1e0 [ 718.433198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 718.433198][ T10] [ 728.683065][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 728.683542][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 728.683542][ T10] netdev_get_by_index+0x5e/0x80 [ 728.683542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.683542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.683542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.683542][ T10] ipv6_add_addr+0x411/0x2000 [ 728.683542][ T10] inet6_addr_add+0x30e/0xa40 [ 728.683542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.683542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.683542][ T10] netlink_rcv_skb+0x130/0x360 [ 728.683542][ T10] netlink_unicast+0x449/0x710 [ 728.683542][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.683542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.683542][ T10] ___sys_sendmsg+0xee/0x170 [ 728.683542][ T10] __sys_sendmsg+0xcd/0x170 [ 728.683542][ T10] do_syscall_64+0xc6/0x1e0 [ 728.683542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.683542][ T10] [ 728.685861][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 728.685861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.685861][ T10] ipv6_find_idev+0x102/0x170 [ 728.685861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.685861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.685861][ T10] netlink_rcv_skb+0x130/0x360 [ 728.685861][ T10] netlink_unicast+0x449/0x710 [ 728.685861][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.685861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.685861][ T10] ___sys_sendmsg+0xee/0x170 [ 728.685861][ T10] __sys_sendmsg+0xcd/0x170 [ 728.685861][ T10] do_syscall_64+0xc6/0x1e0 [ 728.685861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.685861][ T10] [ 728.687691][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 728.687691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.687691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.687691][ T10] ipv6_find_idev+0x102/0x170 [ 728.687691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.687691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.687691][ T10] netlink_rcv_skb+0x130/0x360 [ 728.687691][ T10] netlink_unicast+0x449/0x710 [ 728.687691][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.687691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.687691][ T10] ___sys_sendmsg+0xee/0x170 [ 728.687691][ T10] __sys_sendmsg+0xcd/0x170 [ 728.687691][ T10] do_syscall_64+0xc6/0x1e0 [ 728.687691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.687691][ T10] [ 728.690315][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 728.690752][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 728.690752][ T10] netdev_get_by_index+0x5e/0x80 [ 728.690752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.690752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.690752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.690752][ T10] ipv6_add_addr+0x411/0x2000 [ 728.690752][ T10] inet6_addr_add+0x30e/0xa40 [ 728.690752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.690752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.690752][ T10] netlink_rcv_skb+0x130/0x360 [ 728.690752][ T10] netlink_unicast+0x449/0x710 [ 728.690752][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.690752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.690752][ T10] ___sys_sendmsg+0xee/0x170 [ 728.690752][ T10] __sys_sendmsg+0xcd/0x170 [ 728.690752][ T10] do_syscall_64+0xc6/0x1e0 [ 728.690752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.690752][ T10] [ 728.693814][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 728.693814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.693814][ T10] ipv6_find_idev+0x102/0x170 [ 728.693814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.693814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.693814][ T10] netlink_rcv_skb+0x130/0x360 [ 728.693814][ T10] netlink_unicast+0x449/0x710 [ 728.693814][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.693814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.693814][ T10] ___sys_sendmsg+0xee/0x170 [ 728.693814][ T10] __sys_sendmsg+0xcd/0x170 [ 728.693814][ T10] do_syscall_64+0xc6/0x1e0 [ 728.693814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.693814][ T10] [ 728.696171][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 728.696171][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.696171][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.696171][ T10] ipv6_find_idev+0x102/0x170 [ 728.696171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.696171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.696171][ T10] netlink_rcv_skb+0x130/0x360 [ 728.696171][ T10] netlink_unicast+0x449/0x710 [ 728.696171][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.696171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.696171][ T10] ___sys_sendmsg+0xee/0x170 [ 728.696171][ T10] __sys_sendmsg+0xcd/0x170 [ 728.696171][ T10] do_syscall_64+0xc6/0x1e0 [ 728.696171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.696171][ T10] [ 728.698903][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 728.699323][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 728.699323][ T10] netdev_get_by_index+0x5e/0x80 [ 728.699323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.699323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.699323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.699323][ T10] ipv6_add_addr+0x411/0x2000 [ 728.699323][ T10] inet6_addr_add+0x30e/0xa40 [ 728.699323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.699323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.699323][ T10] netlink_rcv_skb+0x130/0x360 [ 728.699323][ T10] netlink_unicast+0x449/0x710 [ 728.699323][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.699323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.699323][ T10] ___sys_sendmsg+0xee/0x170 [ 728.699323][ T10] __sys_sendmsg+0xcd/0x170 [ 728.699323][ T10] do_syscall_64+0xc6/0x1e0 [ 728.699323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.699323][ T10] [ 728.702468][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 728.702468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.702468][ T10] ipv6_find_idev+0x102/0x170 [ 728.702468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.702468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.702468][ T10] netlink_rcv_skb+0x130/0x360 [ 728.702468][ T10] netlink_unicast+0x449/0x710 [ 728.702468][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.702468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.702468][ T10] ___sys_sendmsg+0xee/0x170 [ 728.702468][ T10] __sys_sendmsg+0xcd/0x170 [ 728.702468][ T10] do_syscall_64+0xc6/0x1e0 [ 728.702468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.702468][ T10] [ 728.704872][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 728.704872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.704872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.704872][ T10] ipv6_find_idev+0x102/0x170 [ 728.704872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.704872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.704872][ T10] netlink_rcv_skb+0x130/0x360 [ 728.704872][ T10] netlink_unicast+0x449/0x710 [ 728.704872][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.704872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.704872][ T10] ___sys_sendmsg+0xee/0x170 [ 728.704872][ T10] __sys_sendmsg+0xcd/0x170 [ 728.704872][ T10] do_syscall_64+0xc6/0x1e0 [ 728.704872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.704872][ T10] [ 728.707509][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 728.708755][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 728.708755][ T10] netdev_get_by_index+0x5e/0x80 [ 728.708755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.708755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.708755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.708755][ T10] ipv6_add_addr+0x411/0x2000 [ 728.708755][ T10] inet6_addr_add+0x30e/0xa40 [ 728.708755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.708755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.708755][ T10] netlink_rcv_skb+0x130/0x360 [ 728.708755][ T10] netlink_unicast+0x449/0x710 [ 728.708755][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.708755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.708755][ T10] ___sys_sendmsg+0xee/0x170 [ 728.708755][ T10] __sys_sendmsg+0xcd/0x170 [ 728.708755][ T10] do_syscall_64+0xc6/0x1e0 [ 728.708755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.708755][ T10] [ 728.711905][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 728.711905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.711905][ T10] ipv6_find_idev+0x102/0x170 [ 728.711905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.711905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.711905][ T10] netlink_rcv_skb+0x130/0x360 [ 728.711905][ T10] netlink_unicast+0x449/0x710 [ 728.711905][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.711905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.711905][ T10] ___sys_sendmsg+0xee/0x170 [ 728.711905][ T10] __sys_sendmsg+0xcd/0x170 [ 728.711905][ T10] do_syscall_64+0xc6/0x1e0 [ 728.711905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.711905][ T10] [ 728.714279][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 728.714279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.714279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.714279][ T10] ipv6_find_idev+0x102/0x170 [ 728.714279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.714279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.714279][ T10] netlink_rcv_skb+0x130/0x360 [ 728.714279][ T10] netlink_unicast+0x449/0x710 [ 728.714279][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.714279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.714279][ T10] ___sys_sendmsg+0xee/0x170 [ 728.714279][ T10] __sys_sendmsg+0xcd/0x170 [ 728.714279][ T10] do_syscall_64+0xc6/0x1e0 [ 728.714279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.714279][ T10] [ 728.716876][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 728.717387][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 728.717387][ T10] netdev_get_by_index+0x5e/0x80 [ 728.717387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.717387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.717387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.717387][ T10] ipv6_add_addr+0x411/0x2000 [ 728.717387][ T10] inet6_addr_add+0x30e/0xa40 [ 728.717387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.717387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.717387][ T10] netlink_rcv_skb+0x130/0x360 [ 728.717387][ T10] netlink_unicast+0x449/0x710 [ 728.717387][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.717387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.717387][ T10] ___sys_sendmsg+0xee/0x170 [ 728.717387][ T10] __sys_sendmsg+0xcd/0x170 [ 728.717387][ T10] do_syscall_64+0xc6/0x1e0 [ 728.717387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.717387][ T10] [ 728.720421][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 728.720421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.720421][ T10] ipv6_find_idev+0x102/0x170 [ 728.720421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.720421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.720421][ T10] netlink_rcv_skb+0x130/0x360 [ 728.720421][ T10] netlink_unicast+0x449/0x710 [ 728.720421][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.720421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.720421][ T10] ___sys_sendmsg+0xee/0x170 [ 728.720421][ T10] __sys_sendmsg+0xcd/0x170 [ 728.720421][ T10] do_syscall_64+0xc6/0x1e0 [ 728.720421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.720421][ T10] [ 728.722852][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 728.722852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.722852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.722852][ T10] ipv6_find_idev+0x102/0x170 [ 728.722852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.722852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.722852][ T10] netlink_rcv_skb+0x130/0x360 [ 728.722852][ T10] netlink_unicast+0x449/0x710 [ 728.722852][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.722852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.722852][ T10] ___sys_sendmsg+0xee/0x170 [ 728.722852][ T10] __sys_sendmsg+0xcd/0x170 [ 728.722852][ T10] do_syscall_64+0xc6/0x1e0 [ 728.722852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.722852][ T10] [ 728.725560][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 728.726093][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 728.726093][ T10] netdev_get_by_index+0x5e/0x80 [ 728.726093][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.726093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.726093][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.726093][ T10] ipv6_add_addr+0x411/0x2000 [ 728.726093][ T10] inet6_addr_add+0x30e/0xa40 [ 728.726093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.726093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.726093][ T10] netlink_rcv_skb+0x130/0x360 [ 728.726093][ T10] netlink_unicast+0x449/0x710 [ 728.726093][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.726093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.726093][ T10] ___sys_sendmsg+0xee/0x170 [ 728.726093][ T10] __sys_sendmsg+0xcd/0x170 [ 728.726093][ T10] do_syscall_64+0xc6/0x1e0 [ 728.726093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.726093][ T10] [ 728.729256][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 728.729256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.729256][ T10] ipv6_find_idev+0x102/0x170 [ 728.729256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.729256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.729256][ T10] netlink_rcv_skb+0x130/0x360 [ 728.729256][ T10] netlink_unicast+0x449/0x710 [ 728.729256][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.729256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.729256][ T10] ___sys_sendmsg+0xee/0x170 [ 728.729256][ T10] __sys_sendmsg+0xcd/0x170 [ 728.729256][ T10] do_syscall_64+0xc6/0x1e0 [ 728.729256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.729256][ T10] [ 728.731963][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 728.731963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.731963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.731963][ T10] ipv6_find_idev+0x102/0x170 [ 728.731963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.731963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.731963][ T10] netlink_rcv_skb+0x130/0x360 [ 728.731963][ T10] netlink_unicast+0x449/0x710 [ 728.731963][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.731963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.731963][ T10] ___sys_sendmsg+0xee/0x170 [ 728.731963][ T10] __sys_sendmsg+0xcd/0x170 [ 728.731963][ T10] do_syscall_64+0xc6/0x1e0 [ 728.731963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.731963][ T10] [ 728.735120][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 728.735621][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 728.735621][ T10] netdev_get_by_index+0x5e/0x80 [ 728.735621][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.735621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.735621][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.735621][ T10] ipv6_add_addr+0x411/0x2000 [ 728.735621][ T10] inet6_addr_add+0x30e/0xa40 [ 728.735621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.735621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.735621][ T10] netlink_rcv_skb+0x130/0x360 [ 728.735621][ T10] netlink_unicast+0x449/0x710 [ 728.735621][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.735621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.735621][ T10] ___sys_sendmsg+0xee/0x170 [ 728.735621][ T10] __sys_sendmsg+0xcd/0x170 [ 728.735621][ T10] do_syscall_64+0xc6/0x1e0 [ 728.735621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.735621][ T10] [ 728.739036][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 728.739036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.739036][ T10] ipv6_find_idev+0x102/0x170 [ 728.739036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.739036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.739036][ T10] netlink_rcv_skb+0x130/0x360 [ 728.739036][ T10] netlink_unicast+0x449/0x710 [ 728.739036][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.739036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.739036][ T10] ___sys_sendmsg+0xee/0x170 [ 728.739036][ T10] __sys_sendmsg+0xcd/0x170 [ 728.739036][ T10] do_syscall_64+0xc6/0x1e0 [ 728.739036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.739036][ T10] [ 728.741595][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 728.741595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.741595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.741595][ T10] ipv6_find_idev+0x102/0x170 [ 728.741595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.741595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.741595][ T10] netlink_rcv_skb+0x130/0x360 [ 728.741595][ T10] netlink_unicast+0x449/0x710 [ 728.741595][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.741595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.741595][ T10] ___sys_sendmsg+0xee/0x170 [ 728.741595][ T10] __sys_sendmsg+0xcd/0x170 [ 728.741595][ T10] do_syscall_64+0xc6/0x1e0 [ 728.741595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.741595][ T10] [ 728.744685][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 728.745173][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 728.745173][ T10] netdev_get_by_index+0x5e/0x80 [ 728.745173][ T10] fib6_nh_init+0x3d8/0x15b0 [ 728.745173][ T10] ip6_route_info_create+0xf18/0x17d0 [ 728.745173][ T10] addrconf_f6i_alloc+0x244/0x410 [ 728.745173][ T10] ipv6_add_addr+0x411/0x2000 [ 728.745173][ T10] inet6_addr_add+0x30e/0xa40 [ 728.745173][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 728.745173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.745173][ T10] netlink_rcv_skb+0x130/0x360 [ 728.745173][ T10] netlink_unicast+0x449/0x710 [ 728.745173][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.745173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.745173][ T10] ___sys_sendmsg+0xee/0x170 [ 728.745173][ T10] __sys_sendmsg+0xcd/0x170 [ 728.745173][ T10] do_syscall_64+0xc6/0x1e0 [ 728.745173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.745173][ T10] [ 728.748477][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 728.748477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 728.748477][ T10] ipv6_find_idev+0x102/0x170 [ 728.748477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.748477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.748477][ T10] netlink_rcv_skb+0x130/0x360 [ 728.748477][ T10] netlink_unicast+0x449/0x710 [ 728.748477][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.748477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.748477][ T10] ___sys_sendmsg+0xee/0x170 [ 728.748477][ T10] __sys_sendmsg+0xcd/0x170 [ 728.748477][ T10] do_syscall_64+0xc6/0x1e0 [ 728.748477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.748477][ T10] [ 728.751353][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 728.751353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 728.751353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 728.751353][ T10] ipv6_find_idev+0x102/0x170 [ 728.751353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 728.751353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 728.751353][ T10] netlink_rcv_skb+0x130/0x360 [ 728.751353][ T10] netlink_unicast+0x449/0x710 [ 728.751353][ T10] netlink_sendmsg+0x723/0xbe0 [ 728.751353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 728.751353][ T10] ___sys_sendmsg+0xee/0x170 [ 728.751353][ T10] __sys_sendmsg+0xcd/0x170 [ 728.751353][ T10] do_syscall_64+0xc6/0x1e0 [ 728.751353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 728.751353][ T10] [ 738.603006][ T42] INFO: task modprobe:1062 blocked for more than 491 seconds. [ 738.603445][ T42] Not tainted 6.8.0-virtme #1 [ 738.603634][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.604001][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 738.604449][ T42] Call Trace: [ 738.604602][ T42] [ 738.604716][ T42] __schedule+0x705/0x1ac0 [ 738.604959][ T42] ? __pfx___schedule+0x10/0x10 [ 738.605162][ T42] ? schedule+0x1a5/0x210 [ 738.605324][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.605564][ T42] ? mark_lock+0x38/0x3e0 [ 738.605717][ T42] ? do_raw_spin_lock+0x131/0x270 [ 738.605951][ T42] ? schedule+0x1a5/0x210 [ 738.606119][ T42] schedule+0xdf/0x210 [ 738.606277][ T42] schedule_preempt_disabled+0x15/0x30 [ 738.606483][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 738.606698][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 738.606966][ T42] ? kasan_save_stack+0x34/0x50 [ 738.607170][ T42] ? kasan_save_stack+0x24/0x50 [ 738.607379][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 738.607596][ T42] ? lock_acquire+0x1c1/0x220 [ 738.607805][ T42] ? register_pernet_subsys+0x1a/0x50 [ 738.608033][ T42] down_write+0x1c9/0x200 [ 738.608193][ T42] ? __pfx_down_write+0x10/0x10 [ 738.608403][ T42] ? __pfx___lock_release+0x10/0x10 [ 738.608617][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 738.608962][ T42] register_pernet_subsys+0x1a/0x50 [ 738.609170][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 738.609473][ T42] do_one_initcall+0xc8/0x3f0 [ 738.609688][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 738.609923][ T42] ? __create_object+0x5e/0xb0 [ 738.610137][ T42] ? kasan_unpoison+0x27/0x60 [ 738.610352][ T42] do_init_module+0x233/0x740 [ 738.610574][ T42] load_module+0x16b5/0x2350 [ 738.610800][ T42] ? __pfx_load_module+0x10/0x10 [ 738.611022][ T42] ? kernel_read_file+0x3d2/0x520 [ 738.611247][ T42] ? kernel_read_file+0x300/0x520 [ 738.611471][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 738.611691][ T42] ? init_module_from_file+0xd2/0x130 [ 738.611908][ T42] init_module_from_file+0xd2/0x130 [ 738.612115][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 738.612370][ T42] ? __lock_release+0x103/0x460 [ 738.612579][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.612805][ T42] ? idempotent_init_module+0x32a/0x620 [ 738.613047][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 738.613261][ T42] idempotent_init_module+0x342/0x620 [ 738.613474][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 738.613766][ T42] __x64_sys_finit_module+0xbe/0x130 [ 738.613992][ T42] do_syscall_64+0xc6/0x1e0 [ 738.614199][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.614442][ T42] RIP: 0033:0x7f81e06dce5d [ 738.614651][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 738.614961][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 738.615254][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 738.615544][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 738.615832][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 738.616136][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 738.616458][ T42] [ 738.616609][ T42] [ 738.616609][ T42] Showing all locks held in the system: [ 738.616909][ T42] 3 locks held by kworker/u16:0/10: [ 738.617099][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.617492][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.617860][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 738.618210][ T42] 1 lock held by khungtaskd/42: [ 738.618396][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 738.618743][ T42] 2 locks held by kworker/u20:1/62: [ 738.618944][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 738.619340][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 738.619785][ T42] 1 lock held by modprobe/1062: [ 738.619988][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 738.620383][ T42] [ 738.620478][ T42] ============================================= [ 738.620478][ T42] [ 738.754953][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 738.755476][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 738.755476][ T10] netdev_get_by_index+0x5e/0x80 [ 738.755476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.755476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.755476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.755476][ T10] ipv6_add_addr+0x411/0x2000 [ 738.755476][ T10] inet6_addr_add+0x30e/0xa40 [ 738.755476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.755476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.755476][ T10] netlink_rcv_skb+0x130/0x360 [ 738.755476][ T10] netlink_unicast+0x449/0x710 [ 738.755476][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.755476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.755476][ T10] ___sys_sendmsg+0xee/0x170 [ 738.755476][ T10] __sys_sendmsg+0xcd/0x170 [ 738.755476][ T10] do_syscall_64+0xc6/0x1e0 [ 738.755476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.755476][ T10] [ 738.757513][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 738.757513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.757513][ T10] ipv6_find_idev+0x102/0x170 [ 738.757513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.757513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.757513][ T10] netlink_rcv_skb+0x130/0x360 [ 738.757513][ T10] netlink_unicast+0x449/0x710 [ 738.757513][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.757513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.757513][ T10] ___sys_sendmsg+0xee/0x170 [ 738.757513][ T10] __sys_sendmsg+0xcd/0x170 [ 738.757513][ T10] do_syscall_64+0xc6/0x1e0 [ 738.757513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.757513][ T10] [ 738.759057][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 738.759057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.759057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.759057][ T10] ipv6_find_idev+0x102/0x170 [ 738.759057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.759057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.759057][ T10] netlink_rcv_skb+0x130/0x360 [ 738.759057][ T10] netlink_unicast+0x449/0x710 [ 738.759057][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.759057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.759057][ T10] ___sys_sendmsg+0xee/0x170 [ 738.759057][ T10] __sys_sendmsg+0xcd/0x170 [ 738.759057][ T10] do_syscall_64+0xc6/0x1e0 [ 738.759057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.759057][ T10] [ 738.760772][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 738.761065][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 738.761065][ T10] netdev_get_by_index+0x5e/0x80 [ 738.761065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.761065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.761065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.761065][ T10] ipv6_add_addr+0x411/0x2000 [ 738.761065][ T10] inet6_addr_add+0x30e/0xa40 [ 738.761065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.761065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.761065][ T10] netlink_rcv_skb+0x130/0x360 [ 738.761065][ T10] netlink_unicast+0x449/0x710 [ 738.761065][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.761065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.761065][ T10] ___sys_sendmsg+0xee/0x170 [ 738.761065][ T10] __sys_sendmsg+0xcd/0x170 [ 738.761065][ T10] do_syscall_64+0xc6/0x1e0 [ 738.761065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.761065][ T10] [ 738.763066][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 738.763066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.763066][ T10] ipv6_find_idev+0x102/0x170 [ 738.763066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.763066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.763066][ T10] netlink_rcv_skb+0x130/0x360 [ 738.763066][ T10] netlink_unicast+0x449/0x710 [ 738.763066][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.763066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.763066][ T10] ___sys_sendmsg+0xee/0x170 [ 738.763066][ T10] __sys_sendmsg+0xcd/0x170 [ 738.763066][ T10] do_syscall_64+0xc6/0x1e0 [ 738.763066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.763066][ T10] [ 738.764611][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 738.764611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.764611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.764611][ T10] ipv6_find_idev+0x102/0x170 [ 738.764611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.764611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.764611][ T10] netlink_rcv_skb+0x130/0x360 [ 738.764611][ T10] netlink_unicast+0x449/0x710 [ 738.764611][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.764611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.764611][ T10] ___sys_sendmsg+0xee/0x170 [ 738.764611][ T10] __sys_sendmsg+0xcd/0x170 [ 738.764611][ T10] do_syscall_64+0xc6/0x1e0 [ 738.764611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.764611][ T10] [ 738.766306][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 738.766574][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 738.766574][ T10] netdev_get_by_index+0x5e/0x80 [ 738.766574][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.766574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.766574][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.766574][ T10] ipv6_add_addr+0x411/0x2000 [ 738.766574][ T10] inet6_addr_add+0x30e/0xa40 [ 738.766574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.766574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.766574][ T10] netlink_rcv_skb+0x130/0x360 [ 738.766574][ T10] netlink_unicast+0x449/0x710 [ 738.766574][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.766574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.766574][ T10] ___sys_sendmsg+0xee/0x170 [ 738.766574][ T10] __sys_sendmsg+0xcd/0x170 [ 738.766574][ T10] do_syscall_64+0xc6/0x1e0 [ 738.766574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.766574][ T10] [ 738.768569][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 738.768569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.768569][ T10] ipv6_find_idev+0x102/0x170 [ 738.768569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.768569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.768569][ T10] netlink_rcv_skb+0x130/0x360 [ 738.768569][ T10] netlink_unicast+0x449/0x710 [ 738.768569][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.768569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.768569][ T10] ___sys_sendmsg+0xee/0x170 [ 738.768569][ T10] __sys_sendmsg+0xcd/0x170 [ 738.768569][ T10] do_syscall_64+0xc6/0x1e0 [ 738.768569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.768569][ T10] [ 738.770118][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 738.770118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.770118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.770118][ T10] ipv6_find_idev+0x102/0x170 [ 738.770118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.770118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.770118][ T10] netlink_rcv_skb+0x130/0x360 [ 738.770118][ T10] netlink_unicast+0x449/0x710 [ 738.770118][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.770118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.770118][ T10] ___sys_sendmsg+0xee/0x170 [ 738.770118][ T10] __sys_sendmsg+0xcd/0x170 [ 738.770118][ T10] do_syscall_64+0xc6/0x1e0 [ 738.770118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.770118][ T10] [ 738.771811][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 738.772535][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 738.772535][ T10] netdev_get_by_index+0x5e/0x80 [ 738.772535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.772535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.772535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.772535][ T10] ipv6_add_addr+0x411/0x2000 [ 738.772535][ T10] inet6_addr_add+0x30e/0xa40 [ 738.772535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.772535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.772535][ T10] netlink_rcv_skb+0x130/0x360 [ 738.772535][ T10] netlink_unicast+0x449/0x710 [ 738.772535][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.772535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.772535][ T10] ___sys_sendmsg+0xee/0x170 [ 738.772535][ T10] __sys_sendmsg+0xcd/0x170 [ 738.772535][ T10] do_syscall_64+0xc6/0x1e0 [ 738.772535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.772535][ T10] [ 738.774527][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 738.774527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.774527][ T10] ipv6_find_idev+0x102/0x170 [ 738.774527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.774527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.774527][ T10] netlink_rcv_skb+0x130/0x360 [ 738.774527][ T10] netlink_unicast+0x449/0x710 [ 738.774527][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.774527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.774527][ T10] ___sys_sendmsg+0xee/0x170 [ 738.774527][ T10] __sys_sendmsg+0xcd/0x170 [ 738.774527][ T10] do_syscall_64+0xc6/0x1e0 [ 738.774527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.774527][ T10] [ 738.776064][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 738.776064][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.776064][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.776064][ T10] ipv6_find_idev+0x102/0x170 [ 738.776064][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.776064][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.776064][ T10] netlink_rcv_skb+0x130/0x360 [ 738.776064][ T10] netlink_unicast+0x449/0x710 [ 738.776064][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.776064][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.776064][ T10] ___sys_sendmsg+0xee/0x170 [ 738.776064][ T10] __sys_sendmsg+0xcd/0x170 [ 738.776064][ T10] do_syscall_64+0xc6/0x1e0 [ 738.776064][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.776064][ T10] [ 738.777821][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 738.778146][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 738.778146][ T10] netdev_get_by_index+0x5e/0x80 [ 738.778146][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.778146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.778146][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.778146][ T10] ipv6_add_addr+0x411/0x2000 [ 738.778146][ T10] inet6_addr_add+0x30e/0xa40 [ 738.778146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.778146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.778146][ T10] netlink_rcv_skb+0x130/0x360 [ 738.778146][ T10] netlink_unicast+0x449/0x710 [ 738.778146][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.778146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.778146][ T10] ___sys_sendmsg+0xee/0x170 [ 738.778146][ T10] __sys_sendmsg+0xcd/0x170 [ 738.778146][ T10] do_syscall_64+0xc6/0x1e0 [ 738.778146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.778146][ T10] [ 738.780162][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 738.780162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.780162][ T10] ipv6_find_idev+0x102/0x170 [ 738.780162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.780162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.780162][ T10] netlink_rcv_skb+0x130/0x360 [ 738.780162][ T10] netlink_unicast+0x449/0x710 [ 738.780162][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.780162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.780162][ T10] ___sys_sendmsg+0xee/0x170 [ 738.780162][ T10] __sys_sendmsg+0xcd/0x170 [ 738.780162][ T10] do_syscall_64+0xc6/0x1e0 [ 738.780162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.780162][ T10] [ 738.781774][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 738.781774][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.781774][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.781774][ T10] ipv6_find_idev+0x102/0x170 [ 738.781774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.781774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.781774][ T10] netlink_rcv_skb+0x130/0x360 [ 738.781774][ T10] netlink_unicast+0x449/0x710 [ 738.781774][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.781774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.781774][ T10] ___sys_sendmsg+0xee/0x170 [ 738.781774][ T10] __sys_sendmsg+0xcd/0x170 [ 738.781774][ T10] do_syscall_64+0xc6/0x1e0 [ 738.781774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.781774][ T10] [ 738.783538][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 738.783856][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 738.783856][ T10] netdev_get_by_index+0x5e/0x80 [ 738.783856][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.783856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.783856][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.783856][ T10] ipv6_add_addr+0x411/0x2000 [ 738.783856][ T10] inet6_addr_add+0x30e/0xa40 [ 738.783856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.783856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.783856][ T10] netlink_rcv_skb+0x130/0x360 [ 738.783856][ T10] netlink_unicast+0x449/0x710 [ 738.783856][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.783856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.783856][ T10] ___sys_sendmsg+0xee/0x170 [ 738.783856][ T10] __sys_sendmsg+0xcd/0x170 [ 738.783856][ T10] do_syscall_64+0xc6/0x1e0 [ 738.783856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.783856][ T10] [ 738.785861][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 738.785861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.785861][ T10] ipv6_find_idev+0x102/0x170 [ 738.785861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.785861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.785861][ T10] netlink_rcv_skb+0x130/0x360 [ 738.785861][ T10] netlink_unicast+0x449/0x710 [ 738.785861][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.785861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.785861][ T10] ___sys_sendmsg+0xee/0x170 [ 738.785861][ T10] __sys_sendmsg+0xcd/0x170 [ 738.785861][ T10] do_syscall_64+0xc6/0x1e0 [ 738.785861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.785861][ T10] [ 738.787549][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 738.787549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.787549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.787549][ T10] ipv6_find_idev+0x102/0x170 [ 738.787549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.787549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.787549][ T10] netlink_rcv_skb+0x130/0x360 [ 738.787549][ T10] netlink_unicast+0x449/0x710 [ 738.787549][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.787549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.787549][ T10] ___sys_sendmsg+0xee/0x170 [ 738.787549][ T10] __sys_sendmsg+0xcd/0x170 [ 738.787549][ T10] do_syscall_64+0xc6/0x1e0 [ 738.787549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.787549][ T10] [ 738.789346][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 738.789667][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 738.789667][ T10] netdev_get_by_index+0x5e/0x80 [ 738.789667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.789667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.789667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.789667][ T10] ipv6_add_addr+0x411/0x2000 [ 738.789667][ T10] inet6_addr_add+0x30e/0xa40 [ 738.789667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.789667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.789667][ T10] netlink_rcv_skb+0x130/0x360 [ 738.789667][ T10] netlink_unicast+0x449/0x710 [ 738.789667][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.789667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.789667][ T10] ___sys_sendmsg+0xee/0x170 [ 738.789667][ T10] __sys_sendmsg+0xcd/0x170 [ 738.789667][ T10] do_syscall_64+0xc6/0x1e0 [ 738.789667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.789667][ T10] [ 738.792336][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 738.792336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.792336][ T10] ipv6_find_idev+0x102/0x170 [ 738.792336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.792336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.792336][ T10] netlink_rcv_skb+0x130/0x360 [ 738.792336][ T10] netlink_unicast+0x449/0x710 [ 738.792336][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.792336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.792336][ T10] ___sys_sendmsg+0xee/0x170 [ 738.792336][ T10] __sys_sendmsg+0xcd/0x170 [ 738.792336][ T10] do_syscall_64+0xc6/0x1e0 [ 738.792336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.792336][ T10] [ 738.793933][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 738.793933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.793933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.793933][ T10] ipv6_find_idev+0x102/0x170 [ 738.793933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.793933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.793933][ T10] netlink_rcv_skb+0x130/0x360 [ 738.793933][ T10] netlink_unicast+0x449/0x710 [ 738.793933][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.793933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.793933][ T10] ___sys_sendmsg+0xee/0x170 [ 738.793933][ T10] __sys_sendmsg+0xcd/0x170 [ 738.793933][ T10] do_syscall_64+0xc6/0x1e0 [ 738.793933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.793933][ T10] [ 738.795787][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 738.796116][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 738.796116][ T10] netdev_get_by_index+0x5e/0x80 [ 738.796116][ T10] fib6_nh_init+0x3d8/0x15b0 [ 738.796116][ T10] ip6_route_info_create+0xf18/0x17d0 [ 738.796116][ T10] addrconf_f6i_alloc+0x244/0x410 [ 738.796116][ T10] ipv6_add_addr+0x411/0x2000 [ 738.796116][ T10] inet6_addr_add+0x30e/0xa40 [ 738.796116][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 738.796116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.796116][ T10] netlink_rcv_skb+0x130/0x360 [ 738.796116][ T10] netlink_unicast+0x449/0x710 [ 738.796116][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.796116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.796116][ T10] ___sys_sendmsg+0xee/0x170 [ 738.796116][ T10] __sys_sendmsg+0xcd/0x170 [ 738.796116][ T10] do_syscall_64+0xc6/0x1e0 [ 738.796116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.796116][ T10] [ 738.798270][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 738.798270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 738.798270][ T10] ipv6_find_idev+0x102/0x170 [ 738.798270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.798270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.798270][ T10] netlink_rcv_skb+0x130/0x360 [ 738.798270][ T10] netlink_unicast+0x449/0x710 [ 738.798270][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.798270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.798270][ T10] ___sys_sendmsg+0xee/0x170 [ 738.798270][ T10] __sys_sendmsg+0xcd/0x170 [ 738.798270][ T10] do_syscall_64+0xc6/0x1e0 [ 738.798270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.798270][ T10] [ 738.799875][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 738.799875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 738.799875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 738.799875][ T10] ipv6_find_idev+0x102/0x170 [ 738.799875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 738.799875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 738.799875][ T10] netlink_rcv_skb+0x130/0x360 [ 738.799875][ T10] netlink_unicast+0x449/0x710 [ 738.799875][ T10] netlink_sendmsg+0x723/0xbe0 [ 738.799875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 738.799875][ T10] ___sys_sendmsg+0xee/0x170 [ 738.799875][ T10] __sys_sendmsg+0xcd/0x170 [ 738.799875][ T10] do_syscall_64+0xc6/0x1e0 [ 738.799875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 738.799875][ T10] [ 749.043021][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 749.043453][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 749.043453][ T10] netdev_get_by_index+0x5e/0x80 [ 749.043453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.043453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.043453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.043453][ T10] ipv6_add_addr+0x411/0x2000 [ 749.043453][ T10] inet6_addr_add+0x30e/0xa40 [ 749.043453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.043453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.043453][ T10] netlink_rcv_skb+0x130/0x360 [ 749.043453][ T10] netlink_unicast+0x449/0x710 [ 749.043453][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.043453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.043453][ T10] ___sys_sendmsg+0xee/0x170 [ 749.043453][ T10] __sys_sendmsg+0xcd/0x170 [ 749.043453][ T10] do_syscall_64+0xc6/0x1e0 [ 749.043453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.043453][ T10] [ 749.045470][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 749.045470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.045470][ T10] ipv6_find_idev+0x102/0x170 [ 749.045470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.045470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.045470][ T10] netlink_rcv_skb+0x130/0x360 [ 749.045470][ T10] netlink_unicast+0x449/0x710 [ 749.045470][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.045470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.045470][ T10] ___sys_sendmsg+0xee/0x170 [ 749.045470][ T10] __sys_sendmsg+0xcd/0x170 [ 749.045470][ T10] do_syscall_64+0xc6/0x1e0 [ 749.045470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.045470][ T10] [ 749.047003][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 749.047003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.047003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.047003][ T10] ipv6_find_idev+0x102/0x170 [ 749.047003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.047003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.047003][ T10] netlink_rcv_skb+0x130/0x360 [ 749.047003][ T10] netlink_unicast+0x449/0x710 [ 749.047003][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.047003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.047003][ T10] ___sys_sendmsg+0xee/0x170 [ 749.047003][ T10] __sys_sendmsg+0xcd/0x170 [ 749.047003][ T10] do_syscall_64+0xc6/0x1e0 [ 749.047003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.047003][ T10] [ 749.048705][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 749.049020][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 749.049020][ T10] netdev_get_by_index+0x5e/0x80 [ 749.049020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.049020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.049020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.049020][ T10] ipv6_add_addr+0x411/0x2000 [ 749.049020][ T10] inet6_addr_add+0x30e/0xa40 [ 749.049020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.049020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.049020][ T10] netlink_rcv_skb+0x130/0x360 [ 749.049020][ T10] netlink_unicast+0x449/0x710 [ 749.049020][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.049020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.049020][ T10] ___sys_sendmsg+0xee/0x170 [ 749.049020][ T10] __sys_sendmsg+0xcd/0x170 [ 749.049020][ T10] do_syscall_64+0xc6/0x1e0 [ 749.049020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.049020][ T10] [ 749.051020][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 749.051020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.051020][ T10] ipv6_find_idev+0x102/0x170 [ 749.051020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.051020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.051020][ T10] netlink_rcv_skb+0x130/0x360 [ 749.051020][ T10] netlink_unicast+0x449/0x710 [ 749.051020][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.051020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.051020][ T10] ___sys_sendmsg+0xee/0x170 [ 749.051020][ T10] __sys_sendmsg+0xcd/0x170 [ 749.051020][ T10] do_syscall_64+0xc6/0x1e0 [ 749.051020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.051020][ T10] [ 749.052553][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 749.052553][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.052553][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.052553][ T10] ipv6_find_idev+0x102/0x170 [ 749.052553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.052553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.052553][ T10] netlink_rcv_skb+0x130/0x360 [ 749.052553][ T10] netlink_unicast+0x449/0x710 [ 749.052553][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.052553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.052553][ T10] ___sys_sendmsg+0xee/0x170 [ 749.052553][ T10] __sys_sendmsg+0xcd/0x170 [ 749.052553][ T10] do_syscall_64+0xc6/0x1e0 [ 749.052553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.052553][ T10] [ 749.054246][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 749.054518][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 749.054518][ T10] netdev_get_by_index+0x5e/0x80 [ 749.054518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.054518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.054518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.054518][ T10] ipv6_add_addr+0x411/0x2000 [ 749.054518][ T10] inet6_addr_add+0x30e/0xa40 [ 749.054518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.054518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.054518][ T10] netlink_rcv_skb+0x130/0x360 [ 749.054518][ T10] netlink_unicast+0x449/0x710 [ 749.054518][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.054518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.054518][ T10] ___sys_sendmsg+0xee/0x170 [ 749.054518][ T10] __sys_sendmsg+0xcd/0x170 [ 749.054518][ T10] do_syscall_64+0xc6/0x1e0 [ 749.054518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.054518][ T10] [ 749.056512][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 749.056512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.056512][ T10] ipv6_find_idev+0x102/0x170 [ 749.056512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.056512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.056512][ T10] netlink_rcv_skb+0x130/0x360 [ 749.056512][ T10] netlink_unicast+0x449/0x710 [ 749.056512][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.056512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.056512][ T10] ___sys_sendmsg+0xee/0x170 [ 749.056512][ T10] __sys_sendmsg+0xcd/0x170 [ 749.056512][ T10] do_syscall_64+0xc6/0x1e0 [ 749.056512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.056512][ T10] [ 749.058044][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 749.058044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.058044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.058044][ T10] ipv6_find_idev+0x102/0x170 [ 749.058044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.058044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.058044][ T10] netlink_rcv_skb+0x130/0x360 [ 749.058044][ T10] netlink_unicast+0x449/0x710 [ 749.058044][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.058044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.058044][ T10] ___sys_sendmsg+0xee/0x170 [ 749.058044][ T10] __sys_sendmsg+0xcd/0x170 [ 749.058044][ T10] do_syscall_64+0xc6/0x1e0 [ 749.058044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.058044][ T10] [ 749.059734][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 749.060091][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 749.060091][ T10] netdev_get_by_index+0x5e/0x80 [ 749.060091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.060091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.060091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.060091][ T10] ipv6_add_addr+0x411/0x2000 [ 749.060091][ T10] inet6_addr_add+0x30e/0xa40 [ 749.060091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.060091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.060091][ T10] netlink_rcv_skb+0x130/0x360 [ 749.060091][ T10] netlink_unicast+0x449/0x710 [ 749.060091][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.060091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.060091][ T10] ___sys_sendmsg+0xee/0x170 [ 749.060091][ T10] __sys_sendmsg+0xcd/0x170 [ 749.060091][ T10] do_syscall_64+0xc6/0x1e0 [ 749.060091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.060091][ T10] [ 749.062068][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 749.062068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.062068][ T10] ipv6_find_idev+0x102/0x170 [ 749.062068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.062068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.062068][ T10] netlink_rcv_skb+0x130/0x360 [ 749.062068][ T10] netlink_unicast+0x449/0x710 [ 749.062068][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.062068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.062068][ T10] ___sys_sendmsg+0xee/0x170 [ 749.062068][ T10] __sys_sendmsg+0xcd/0x170 [ 749.062068][ T10] do_syscall_64+0xc6/0x1e0 [ 749.062068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.062068][ T10] [ 749.063599][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 749.063599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.063599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.063599][ T10] ipv6_find_idev+0x102/0x170 [ 749.063599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.063599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.063599][ T10] netlink_rcv_skb+0x130/0x360 [ 749.063599][ T10] netlink_unicast+0x449/0x710 [ 749.063599][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.063599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.063599][ T10] ___sys_sendmsg+0xee/0x170 [ 749.063599][ T10] __sys_sendmsg+0xcd/0x170 [ 749.063599][ T10] do_syscall_64+0xc6/0x1e0 [ 749.063599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.063599][ T10] [ 749.065322][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 749.065630][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 749.065630][ T10] netdev_get_by_index+0x5e/0x80 [ 749.065630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.065630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.065630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.065630][ T10] ipv6_add_addr+0x411/0x2000 [ 749.065630][ T10] inet6_addr_add+0x30e/0xa40 [ 749.065630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.065630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.065630][ T10] netlink_rcv_skb+0x130/0x360 [ 749.065630][ T10] netlink_unicast+0x449/0x710 [ 749.065630][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.065630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.065630][ T10] ___sys_sendmsg+0xee/0x170 [ 749.065630][ T10] __sys_sendmsg+0xcd/0x170 [ 749.065630][ T10] do_syscall_64+0xc6/0x1e0 [ 749.065630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.065630][ T10] [ 749.067618][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 749.067618][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.067618][ T10] ipv6_find_idev+0x102/0x170 [ 749.067618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.067618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.067618][ T10] netlink_rcv_skb+0x130/0x360 [ 749.067618][ T10] netlink_unicast+0x449/0x710 [ 749.067618][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.067618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.067618][ T10] ___sys_sendmsg+0xee/0x170 [ 749.067618][ T10] __sys_sendmsg+0xcd/0x170 [ 749.067618][ T10] do_syscall_64+0xc6/0x1e0 [ 749.067618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.067618][ T10] [ 749.069147][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 749.069147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.069147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.069147][ T10] ipv6_find_idev+0x102/0x170 [ 749.069147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.069147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.069147][ T10] netlink_rcv_skb+0x130/0x360 [ 749.069147][ T10] netlink_unicast+0x449/0x710 [ 749.069147][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.069147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.069147][ T10] ___sys_sendmsg+0xee/0x170 [ 749.069147][ T10] __sys_sendmsg+0xcd/0x170 [ 749.069147][ T10] do_syscall_64+0xc6/0x1e0 [ 749.069147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.069147][ T10] [ 749.070991][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 749.071301][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 749.071301][ T10] netdev_get_by_index+0x5e/0x80 [ 749.071301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.071301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.071301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.071301][ T10] ipv6_add_addr+0x411/0x2000 [ 749.071301][ T10] inet6_addr_add+0x30e/0xa40 [ 749.071301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.071301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.071301][ T10] netlink_rcv_skb+0x130/0x360 [ 749.071301][ T10] netlink_unicast+0x449/0x710 [ 749.071301][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.071301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.071301][ T10] ___sys_sendmsg+0xee/0x170 [ 749.071301][ T10] __sys_sendmsg+0xcd/0x170 [ 749.071301][ T10] do_syscall_64+0xc6/0x1e0 [ 749.071301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.071301][ T10] [ 749.073533][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 749.073533][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.073533][ T10] ipv6_find_idev+0x102/0x170 [ 749.073533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.073533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.073533][ T10] netlink_rcv_skb+0x130/0x360 [ 749.073533][ T10] netlink_unicast+0x449/0x710 [ 749.073533][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.073533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.073533][ T10] ___sys_sendmsg+0xee/0x170 [ 749.073533][ T10] __sys_sendmsg+0xcd/0x170 [ 749.073533][ T10] do_syscall_64+0xc6/0x1e0 [ 749.073533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.073533][ T10] [ 749.075243][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 749.075243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.075243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.075243][ T10] ipv6_find_idev+0x102/0x170 [ 749.075243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.075243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.075243][ T10] netlink_rcv_skb+0x130/0x360 [ 749.075243][ T10] netlink_unicast+0x449/0x710 [ 749.075243][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.075243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.075243][ T10] ___sys_sendmsg+0xee/0x170 [ 749.075243][ T10] __sys_sendmsg+0xcd/0x170 [ 749.075243][ T10] do_syscall_64+0xc6/0x1e0 [ 749.075243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.075243][ T10] [ 749.077201][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 749.077516][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 749.077516][ T10] netdev_get_by_index+0x5e/0x80 [ 749.077516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.077516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.077516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.077516][ T10] ipv6_add_addr+0x411/0x2000 [ 749.077516][ T10] inet6_addr_add+0x30e/0xa40 [ 749.077516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.077516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.077516][ T10] netlink_rcv_skb+0x130/0x360 [ 749.077516][ T10] netlink_unicast+0x449/0x710 [ 749.077516][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.077516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.077516][ T10] ___sys_sendmsg+0xee/0x170 [ 749.077516][ T10] __sys_sendmsg+0xcd/0x170 [ 749.077516][ T10] do_syscall_64+0xc6/0x1e0 [ 749.077516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.077516][ T10] [ 749.079679][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 749.079679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.079679][ T10] ipv6_find_idev+0x102/0x170 [ 749.079679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.079679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.079679][ T10] netlink_rcv_skb+0x130/0x360 [ 749.079679][ T10] netlink_unicast+0x449/0x710 [ 749.079679][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.079679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.079679][ T10] ___sys_sendmsg+0xee/0x170 [ 749.079679][ T10] __sys_sendmsg+0xcd/0x170 [ 749.079679][ T10] do_syscall_64+0xc6/0x1e0 [ 749.079679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.079679][ T10] [ 749.081408][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 749.081408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.081408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.081408][ T10] ipv6_find_idev+0x102/0x170 [ 749.081408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.081408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.081408][ T10] netlink_rcv_skb+0x130/0x360 [ 749.081408][ T10] netlink_unicast+0x449/0x710 [ 749.081408][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.081408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.081408][ T10] ___sys_sendmsg+0xee/0x170 [ 749.081408][ T10] __sys_sendmsg+0xcd/0x170 [ 749.081408][ T10] do_syscall_64+0xc6/0x1e0 [ 749.081408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.081408][ T10] [ 749.083406][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 749.083714][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 749.083714][ T10] netdev_get_by_index+0x5e/0x80 [ 749.083714][ T10] fib6_nh_init+0x3d8/0x15b0 [ 749.083714][ T10] ip6_route_info_create+0xf18/0x17d0 [ 749.083714][ T10] addrconf_f6i_alloc+0x244/0x410 [ 749.083714][ T10] ipv6_add_addr+0x411/0x2000 [ 749.083714][ T10] inet6_addr_add+0x30e/0xa40 [ 749.083714][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 749.083714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.083714][ T10] netlink_rcv_skb+0x130/0x360 [ 749.083714][ T10] netlink_unicast+0x449/0x710 [ 749.083714][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.083714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.083714][ T10] ___sys_sendmsg+0xee/0x170 [ 749.083714][ T10] __sys_sendmsg+0xcd/0x170 [ 749.083714][ T10] do_syscall_64+0xc6/0x1e0 [ 749.083714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.083714][ T10] [ 749.085879][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 749.085879][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 749.085879][ T10] ipv6_find_idev+0x102/0x170 [ 749.085879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.085879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.085879][ T10] netlink_rcv_skb+0x130/0x360 [ 749.085879][ T10] netlink_unicast+0x449/0x710 [ 749.085879][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.085879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.085879][ T10] ___sys_sendmsg+0xee/0x170 [ 749.085879][ T10] __sys_sendmsg+0xcd/0x170 [ 749.085879][ T10] do_syscall_64+0xc6/0x1e0 [ 749.085879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.085879][ T10] [ 749.087589][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 749.087589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 749.087589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 749.087589][ T10] ipv6_find_idev+0x102/0x170 [ 749.087589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 749.087589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 749.087589][ T10] netlink_rcv_skb+0x130/0x360 [ 749.087589][ T10] netlink_unicast+0x449/0x710 [ 749.087589][ T10] netlink_sendmsg+0x723/0xbe0 [ 749.087589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 749.087589][ T10] ___sys_sendmsg+0xee/0x170 [ 749.087589][ T10] __sys_sendmsg+0xcd/0x170 [ 749.087589][ T10] do_syscall_64+0xc6/0x1e0 [ 749.087589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 749.087589][ T10] [ 759.330978][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 759.331443][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 759.331443][ T10] netdev_get_by_index+0x5e/0x80 [ 759.331443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.331443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.331443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.331443][ T10] ipv6_add_addr+0x411/0x2000 [ 759.331443][ T10] inet6_addr_add+0x30e/0xa40 [ 759.331443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.331443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.331443][ T10] netlink_rcv_skb+0x130/0x360 [ 759.331443][ T10] netlink_unicast+0x449/0x710 [ 759.331443][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.331443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.331443][ T10] ___sys_sendmsg+0xee/0x170 [ 759.331443][ T10] __sys_sendmsg+0xcd/0x170 [ 759.331443][ T10] do_syscall_64+0xc6/0x1e0 [ 759.331443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.331443][ T10] [ 759.333498][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 759.333498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.333498][ T10] ipv6_find_idev+0x102/0x170 [ 759.333498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.333498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.333498][ T10] netlink_rcv_skb+0x130/0x360 [ 759.333498][ T10] netlink_unicast+0x449/0x710 [ 759.333498][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.333498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.333498][ T10] ___sys_sendmsg+0xee/0x170 [ 759.333498][ T10] __sys_sendmsg+0xcd/0x170 [ 759.333498][ T10] do_syscall_64+0xc6/0x1e0 [ 759.333498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.333498][ T10] [ 759.335063][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 759.335063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.335063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.335063][ T10] ipv6_find_idev+0x102/0x170 [ 759.335063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.335063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.335063][ T10] netlink_rcv_skb+0x130/0x360 [ 759.335063][ T10] netlink_unicast+0x449/0x710 [ 759.335063][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.335063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.335063][ T10] ___sys_sendmsg+0xee/0x170 [ 759.335063][ T10] __sys_sendmsg+0xcd/0x170 [ 759.335063][ T10] do_syscall_64+0xc6/0x1e0 [ 759.335063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.335063][ T10] [ 759.336804][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 759.337093][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 759.337093][ T10] netdev_get_by_index+0x5e/0x80 [ 759.337093][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.337093][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.337093][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.337093][ T10] ipv6_add_addr+0x411/0x2000 [ 759.337093][ T10] inet6_addr_add+0x30e/0xa40 [ 759.337093][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.337093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.337093][ T10] netlink_rcv_skb+0x130/0x360 [ 759.337093][ T10] netlink_unicast+0x449/0x710 [ 759.337093][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.337093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.337093][ T10] ___sys_sendmsg+0xee/0x170 [ 759.337093][ T10] __sys_sendmsg+0xcd/0x170 [ 759.337093][ T10] do_syscall_64+0xc6/0x1e0 [ 759.337093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.337093][ T10] [ 759.339124][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 759.339124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.339124][ T10] ipv6_find_idev+0x102/0x170 [ 759.339124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.339124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.339124][ T10] netlink_rcv_skb+0x130/0x360 [ 759.339124][ T10] netlink_unicast+0x449/0x710 [ 759.339124][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.339124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.339124][ T10] ___sys_sendmsg+0xee/0x170 [ 759.339124][ T10] __sys_sendmsg+0xcd/0x170 [ 759.339124][ T10] do_syscall_64+0xc6/0x1e0 [ 759.339124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.339124][ T10] [ 759.341077][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 759.341077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.341077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.341077][ T10] ipv6_find_idev+0x102/0x170 [ 759.341077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.341077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.341077][ T10] netlink_rcv_skb+0x130/0x360 [ 759.341077][ T10] netlink_unicast+0x449/0x710 [ 759.341077][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.341077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.341077][ T10] ___sys_sendmsg+0xee/0x170 [ 759.341077][ T10] __sys_sendmsg+0xcd/0x170 [ 759.341077][ T10] do_syscall_64+0xc6/0x1e0 [ 759.341077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.341077][ T10] [ 759.342814][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 759.343547][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 759.343547][ T10] netdev_get_by_index+0x5e/0x80 [ 759.343547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.343547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.343547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.343547][ T10] ipv6_add_addr+0x411/0x2000 [ 759.343547][ T10] inet6_addr_add+0x30e/0xa40 [ 759.343547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.343547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.343547][ T10] netlink_rcv_skb+0x130/0x360 [ 759.343547][ T10] netlink_unicast+0x449/0x710 [ 759.343547][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.343547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.343547][ T10] ___sys_sendmsg+0xee/0x170 [ 759.343547][ T10] __sys_sendmsg+0xcd/0x170 [ 759.343547][ T10] do_syscall_64+0xc6/0x1e0 [ 759.343547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.343547][ T10] [ 759.345560][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 759.345560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.345560][ T10] ipv6_find_idev+0x102/0x170 [ 759.345560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.345560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.345560][ T10] netlink_rcv_skb+0x130/0x360 [ 759.345560][ T10] netlink_unicast+0x449/0x710 [ 759.345560][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.345560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.345560][ T10] ___sys_sendmsg+0xee/0x170 [ 759.345560][ T10] __sys_sendmsg+0xcd/0x170 [ 759.345560][ T10] do_syscall_64+0xc6/0x1e0 [ 759.345560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.345560][ T10] [ 759.347102][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 759.347102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.347102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.347102][ T10] ipv6_find_idev+0x102/0x170 [ 759.347102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.347102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.347102][ T10] netlink_rcv_skb+0x130/0x360 [ 759.347102][ T10] netlink_unicast+0x449/0x710 [ 759.347102][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.347102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.347102][ T10] ___sys_sendmsg+0xee/0x170 [ 759.347102][ T10] __sys_sendmsg+0xcd/0x170 [ 759.347102][ T10] do_syscall_64+0xc6/0x1e0 [ 759.347102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.347102][ T10] [ 759.348888][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 759.349203][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 759.349203][ T10] netdev_get_by_index+0x5e/0x80 [ 759.349203][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.349203][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.349203][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.349203][ T10] ipv6_add_addr+0x411/0x2000 [ 759.349203][ T10] inet6_addr_add+0x30e/0xa40 [ 759.349203][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.349203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.349203][ T10] netlink_rcv_skb+0x130/0x360 [ 759.349203][ T10] netlink_unicast+0x449/0x710 [ 759.349203][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.349203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.349203][ T10] ___sys_sendmsg+0xee/0x170 [ 759.349203][ T10] __sys_sendmsg+0xcd/0x170 [ 759.349203][ T10] do_syscall_64+0xc6/0x1e0 [ 759.349203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.349203][ T10] [ 759.351213][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 759.351213][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.351213][ T10] ipv6_find_idev+0x102/0x170 [ 759.351213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.351213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.351213][ T10] netlink_rcv_skb+0x130/0x360 [ 759.351213][ T10] netlink_unicast+0x449/0x710 [ 759.351213][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.351213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.351213][ T10] ___sys_sendmsg+0xee/0x170 [ 759.351213][ T10] __sys_sendmsg+0xcd/0x170 [ 759.351213][ T10] do_syscall_64+0xc6/0x1e0 [ 759.351213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.351213][ T10] [ 759.352750][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 759.352750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.352750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.352750][ T10] ipv6_find_idev+0x102/0x170 [ 759.352750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.352750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.352750][ T10] netlink_rcv_skb+0x130/0x360 [ 759.352750][ T10] netlink_unicast+0x449/0x710 [ 759.352750][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.352750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.352750][ T10] ___sys_sendmsg+0xee/0x170 [ 759.352750][ T10] __sys_sendmsg+0xcd/0x170 [ 759.352750][ T10] do_syscall_64+0xc6/0x1e0 [ 759.352750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.352750][ T10] [ 759.354501][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 759.354823][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 759.354823][ T10] netdev_get_by_index+0x5e/0x80 [ 759.354823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.354823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.354823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.354823][ T10] ipv6_add_addr+0x411/0x2000 [ 759.354823][ T10] inet6_addr_add+0x30e/0xa40 [ 759.354823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.354823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.354823][ T10] netlink_rcv_skb+0x130/0x360 [ 759.354823][ T10] netlink_unicast+0x449/0x710 [ 759.354823][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.354823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.354823][ T10] ___sys_sendmsg+0xee/0x170 [ 759.354823][ T10] __sys_sendmsg+0xcd/0x170 [ 759.354823][ T10] do_syscall_64+0xc6/0x1e0 [ 759.354823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.354823][ T10] [ 759.356819][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 759.356819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.356819][ T10] ipv6_find_idev+0x102/0x170 [ 759.356819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.356819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.356819][ T10] netlink_rcv_skb+0x130/0x360 [ 759.356819][ T10] netlink_unicast+0x449/0x710 [ 759.356819][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.356819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.356819][ T10] ___sys_sendmsg+0xee/0x170 [ 759.356819][ T10] __sys_sendmsg+0xcd/0x170 [ 759.356819][ T10] do_syscall_64+0xc6/0x1e0 [ 759.356819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.356819][ T10] [ 759.358391][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 759.358391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.358391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.358391][ T10] ipv6_find_idev+0x102/0x170 [ 759.358391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.358391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.358391][ T10] netlink_rcv_skb+0x130/0x360 [ 759.358391][ T10] netlink_unicast+0x449/0x710 [ 759.358391][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.358391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.358391][ T10] ___sys_sendmsg+0xee/0x170 [ 759.358391][ T10] __sys_sendmsg+0xcd/0x170 [ 759.358391][ T10] do_syscall_64+0xc6/0x1e0 [ 759.358391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.358391][ T10] [ 759.360181][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 759.360501][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 759.360501][ T10] netdev_get_by_index+0x5e/0x80 [ 759.360501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.360501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.360501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.360501][ T10] ipv6_add_addr+0x411/0x2000 [ 759.360501][ T10] inet6_addr_add+0x30e/0xa40 [ 759.360501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.360501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.360501][ T10] netlink_rcv_skb+0x130/0x360 [ 759.360501][ T10] netlink_unicast+0x449/0x710 [ 759.360501][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.360501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.360501][ T10] ___sys_sendmsg+0xee/0x170 [ 759.360501][ T10] __sys_sendmsg+0xcd/0x170 [ 759.360501][ T10] do_syscall_64+0xc6/0x1e0 [ 759.360501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.360501][ T10] [ 759.362604][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 759.362604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.362604][ T10] ipv6_find_idev+0x102/0x170 [ 759.362604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.362604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.362604][ T10] netlink_rcv_skb+0x130/0x360 [ 759.362604][ T10] netlink_unicast+0x449/0x710 [ 759.362604][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.362604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.362604][ T10] ___sys_sendmsg+0xee/0x170 [ 759.362604][ T10] __sys_sendmsg+0xcd/0x170 [ 759.362604][ T10] do_syscall_64+0xc6/0x1e0 [ 759.362604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.362604][ T10] [ 759.364339][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 759.364339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.364339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.364339][ T10] ipv6_find_idev+0x102/0x170 [ 759.364339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.364339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.364339][ T10] netlink_rcv_skb+0x130/0x360 [ 759.364339][ T10] netlink_unicast+0x449/0x710 [ 759.364339][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.364339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.364339][ T10] ___sys_sendmsg+0xee/0x170 [ 759.364339][ T10] __sys_sendmsg+0xcd/0x170 [ 759.364339][ T10] do_syscall_64+0xc6/0x1e0 [ 759.364339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.364339][ T10] [ 759.366431][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 759.366763][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 759.366763][ T10] netdev_get_by_index+0x5e/0x80 [ 759.366763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.366763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.366763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.366763][ T10] ipv6_add_addr+0x411/0x2000 [ 759.366763][ T10] inet6_addr_add+0x30e/0xa40 [ 759.366763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.366763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.366763][ T10] netlink_rcv_skb+0x130/0x360 [ 759.366763][ T10] netlink_unicast+0x449/0x710 [ 759.366763][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.366763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.366763][ T10] ___sys_sendmsg+0xee/0x170 [ 759.366763][ T10] __sys_sendmsg+0xcd/0x170 [ 759.366763][ T10] do_syscall_64+0xc6/0x1e0 [ 759.366763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.366763][ T10] [ 759.369046][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 759.369046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.369046][ T10] ipv6_find_idev+0x102/0x170 [ 759.369046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.369046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.369046][ T10] netlink_rcv_skb+0x130/0x360 [ 759.369046][ T10] netlink_unicast+0x449/0x710 [ 759.369046][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.369046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.369046][ T10] ___sys_sendmsg+0xee/0x170 [ 759.369046][ T10] __sys_sendmsg+0xcd/0x170 [ 759.369046][ T10] do_syscall_64+0xc6/0x1e0 [ 759.369046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.369046][ T10] [ 759.370852][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 759.370852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.370852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.370852][ T10] ipv6_find_idev+0x102/0x170 [ 759.370852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.370852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.370852][ T10] netlink_rcv_skb+0x130/0x360 [ 759.370852][ T10] netlink_unicast+0x449/0x710 [ 759.370852][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.370852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.370852][ T10] ___sys_sendmsg+0xee/0x170 [ 759.370852][ T10] __sys_sendmsg+0xcd/0x170 [ 759.370852][ T10] do_syscall_64+0xc6/0x1e0 [ 759.370852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.370852][ T10] [ 759.372946][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 759.373283][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 759.373283][ T10] netdev_get_by_index+0x5e/0x80 [ 759.373283][ T10] fib6_nh_init+0x3d8/0x15b0 [ 759.373283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 759.373283][ T10] addrconf_f6i_alloc+0x244/0x410 [ 759.373283][ T10] ipv6_add_addr+0x411/0x2000 [ 759.373283][ T10] inet6_addr_add+0x30e/0xa40 [ 759.373283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 759.373283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.373283][ T10] netlink_rcv_skb+0x130/0x360 [ 759.373283][ T10] netlink_unicast+0x449/0x710 [ 759.373283][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.373283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.373283][ T10] ___sys_sendmsg+0xee/0x170 [ 759.373283][ T10] __sys_sendmsg+0xcd/0x170 [ 759.373283][ T10] do_syscall_64+0xc6/0x1e0 [ 759.373283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.373283][ T10] [ 759.375580][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 759.375580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 759.375580][ T10] ipv6_find_idev+0x102/0x170 [ 759.375580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.375580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.375580][ T10] netlink_rcv_skb+0x130/0x360 [ 759.375580][ T10] netlink_unicast+0x449/0x710 [ 759.375580][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.375580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.375580][ T10] ___sys_sendmsg+0xee/0x170 [ 759.375580][ T10] __sys_sendmsg+0xcd/0x170 [ 759.375580][ T10] do_syscall_64+0xc6/0x1e0 [ 759.375580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.375580][ T10] [ 759.377322][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 759.377322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 759.377322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 759.377322][ T10] ipv6_find_idev+0x102/0x170 [ 759.377322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 759.377322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 759.377322][ T10] netlink_rcv_skb+0x130/0x360 [ 759.377322][ T10] netlink_unicast+0x449/0x710 [ 759.377322][ T10] netlink_sendmsg+0x723/0xbe0 [ 759.377322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 759.377322][ T10] ___sys_sendmsg+0xee/0x170 [ 759.377322][ T10] __sys_sendmsg+0xcd/0x170 [ 759.377322][ T10] do_syscall_64+0xc6/0x1e0 [ 759.377322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 759.377322][ T10] [ 769.619018][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 769.619466][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 769.619466][ T10] netdev_get_by_index+0x5e/0x80 [ 769.619466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.619466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.619466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.619466][ T10] ipv6_add_addr+0x411/0x2000 [ 769.619466][ T10] inet6_addr_add+0x30e/0xa40 [ 769.619466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.619466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.619466][ T10] netlink_rcv_skb+0x130/0x360 [ 769.619466][ T10] netlink_unicast+0x449/0x710 [ 769.619466][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.619466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.619466][ T10] ___sys_sendmsg+0xee/0x170 [ 769.619466][ T10] __sys_sendmsg+0xcd/0x170 [ 769.619466][ T10] do_syscall_64+0xc6/0x1e0 [ 769.619466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.619466][ T10] [ 769.621497][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 769.621497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.621497][ T10] ipv6_find_idev+0x102/0x170 [ 769.621497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.621497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.621497][ T10] netlink_rcv_skb+0x130/0x360 [ 769.621497][ T10] netlink_unicast+0x449/0x710 [ 769.621497][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.621497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.621497][ T10] ___sys_sendmsg+0xee/0x170 [ 769.621497][ T10] __sys_sendmsg+0xcd/0x170 [ 769.621497][ T10] do_syscall_64+0xc6/0x1e0 [ 769.621497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.621497][ T10] [ 769.623035][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 769.623035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.623035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.623035][ T10] ipv6_find_idev+0x102/0x170 [ 769.623035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.623035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.623035][ T10] netlink_rcv_skb+0x130/0x360 [ 769.623035][ T10] netlink_unicast+0x449/0x710 [ 769.623035][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.623035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.623035][ T10] ___sys_sendmsg+0xee/0x170 [ 769.623035][ T10] __sys_sendmsg+0xcd/0x170 [ 769.623035][ T10] do_syscall_64+0xc6/0x1e0 [ 769.623035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.623035][ T10] [ 769.624751][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 769.625043][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 769.625043][ T10] netdev_get_by_index+0x5e/0x80 [ 769.625043][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.625043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.625043][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.625043][ T10] ipv6_add_addr+0x411/0x2000 [ 769.625043][ T10] inet6_addr_add+0x30e/0xa40 [ 769.625043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.625043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.625043][ T10] netlink_rcv_skb+0x130/0x360 [ 769.625043][ T10] netlink_unicast+0x449/0x710 [ 769.625043][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.625043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.625043][ T10] ___sys_sendmsg+0xee/0x170 [ 769.625043][ T10] __sys_sendmsg+0xcd/0x170 [ 769.625043][ T10] do_syscall_64+0xc6/0x1e0 [ 769.625043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.625043][ T10] [ 769.627031][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 769.627031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.627031][ T10] ipv6_find_idev+0x102/0x170 [ 769.627031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.627031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.627031][ T10] netlink_rcv_skb+0x130/0x360 [ 769.627031][ T10] netlink_unicast+0x449/0x710 [ 769.627031][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.627031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.627031][ T10] ___sys_sendmsg+0xee/0x170 [ 769.627031][ T10] __sys_sendmsg+0xcd/0x170 [ 769.627031][ T10] do_syscall_64+0xc6/0x1e0 [ 769.627031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.627031][ T10] [ 769.628567][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 769.628567][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.628567][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.628567][ T10] ipv6_find_idev+0x102/0x170 [ 769.628567][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.628567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.628567][ T10] netlink_rcv_skb+0x130/0x360 [ 769.628567][ T10] netlink_unicast+0x449/0x710 [ 769.628567][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.628567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.628567][ T10] ___sys_sendmsg+0xee/0x170 [ 769.628567][ T10] __sys_sendmsg+0xcd/0x170 [ 769.628567][ T10] do_syscall_64+0xc6/0x1e0 [ 769.628567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.628567][ T10] [ 769.630266][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 769.630542][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 769.630542][ T10] netdev_get_by_index+0x5e/0x80 [ 769.630542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.630542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.630542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.630542][ T10] ipv6_add_addr+0x411/0x2000 [ 769.630542][ T10] inet6_addr_add+0x30e/0xa40 [ 769.630542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.630542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.630542][ T10] netlink_rcv_skb+0x130/0x360 [ 769.630542][ T10] netlink_unicast+0x449/0x710 [ 769.630542][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.630542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.630542][ T10] ___sys_sendmsg+0xee/0x170 [ 769.630542][ T10] __sys_sendmsg+0xcd/0x170 [ 769.630542][ T10] do_syscall_64+0xc6/0x1e0 [ 769.630542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.630542][ T10] [ 769.632640][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 769.632640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.632640][ T10] ipv6_find_idev+0x102/0x170 [ 769.632640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.632640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.632640][ T10] netlink_rcv_skb+0x130/0x360 [ 769.632640][ T10] netlink_unicast+0x449/0x710 [ 769.632640][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.632640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.632640][ T10] ___sys_sendmsg+0xee/0x170 [ 769.632640][ T10] __sys_sendmsg+0xcd/0x170 [ 769.632640][ T10] do_syscall_64+0xc6/0x1e0 [ 769.632640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.632640][ T10] [ 769.634189][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 769.634189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.634189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.634189][ T10] ipv6_find_idev+0x102/0x170 [ 769.634189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.634189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.634189][ T10] netlink_rcv_skb+0x130/0x360 [ 769.634189][ T10] netlink_unicast+0x449/0x710 [ 769.634189][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.634189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.634189][ T10] ___sys_sendmsg+0xee/0x170 [ 769.634189][ T10] __sys_sendmsg+0xcd/0x170 [ 769.634189][ T10] do_syscall_64+0xc6/0x1e0 [ 769.634189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.634189][ T10] [ 769.635884][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 769.636155][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 769.636155][ T10] netdev_get_by_index+0x5e/0x80 [ 769.636155][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.636155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.636155][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.636155][ T10] ipv6_add_addr+0x411/0x2000 [ 769.636155][ T10] inet6_addr_add+0x30e/0xa40 [ 769.636155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.636155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.636155][ T10] netlink_rcv_skb+0x130/0x360 [ 769.636155][ T10] netlink_unicast+0x449/0x710 [ 769.636155][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.636155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.636155][ T10] ___sys_sendmsg+0xee/0x170 [ 769.636155][ T10] __sys_sendmsg+0xcd/0x170 [ 769.636155][ T10] do_syscall_64+0xc6/0x1e0 [ 769.636155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.636155][ T10] [ 769.638149][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 769.638149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.638149][ T10] ipv6_find_idev+0x102/0x170 [ 769.638149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.638149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.638149][ T10] netlink_rcv_skb+0x130/0x360 [ 769.638149][ T10] netlink_unicast+0x449/0x710 [ 769.638149][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.638149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.638149][ T10] ___sys_sendmsg+0xee/0x170 [ 769.638149][ T10] __sys_sendmsg+0xcd/0x170 [ 769.638149][ T10] do_syscall_64+0xc6/0x1e0 [ 769.638149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.638149][ T10] [ 769.639690][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 769.639690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.639690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.639690][ T10] ipv6_find_idev+0x102/0x170 [ 769.639690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.639690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.639690][ T10] netlink_rcv_skb+0x130/0x360 [ 769.639690][ T10] netlink_unicast+0x449/0x710 [ 769.639690][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.639690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.639690][ T10] ___sys_sendmsg+0xee/0x170 [ 769.639690][ T10] __sys_sendmsg+0xcd/0x170 [ 769.639690][ T10] do_syscall_64+0xc6/0x1e0 [ 769.639690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.639690][ T10] [ 769.641782][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 769.642393][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 769.642393][ T10] netdev_get_by_index+0x5e/0x80 [ 769.642393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.642393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.642393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.642393][ T10] ipv6_add_addr+0x411/0x2000 [ 769.642393][ T10] inet6_addr_add+0x30e/0xa40 [ 769.642393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.642393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.642393][ T10] netlink_rcv_skb+0x130/0x360 [ 769.642393][ T10] netlink_unicast+0x449/0x710 [ 769.642393][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.642393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.642393][ T10] ___sys_sendmsg+0xee/0x170 [ 769.642393][ T10] __sys_sendmsg+0xcd/0x170 [ 769.642393][ T10] do_syscall_64+0xc6/0x1e0 [ 769.642393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.642393][ T10] [ 769.644362][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 769.644362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.644362][ T10] ipv6_find_idev+0x102/0x170 [ 769.644362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.644362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.644362][ T10] netlink_rcv_skb+0x130/0x360 [ 769.644362][ T10] netlink_unicast+0x449/0x710 [ 769.644362][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.644362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.644362][ T10] ___sys_sendmsg+0xee/0x170 [ 769.644362][ T10] __sys_sendmsg+0xcd/0x170 [ 769.644362][ T10] do_syscall_64+0xc6/0x1e0 [ 769.644362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.644362][ T10] [ 769.645882][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 769.645882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.645882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.645882][ T10] ipv6_find_idev+0x102/0x170 [ 769.645882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.645882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.645882][ T10] netlink_rcv_skb+0x130/0x360 [ 769.645882][ T10] netlink_unicast+0x449/0x710 [ 769.645882][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.645882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.645882][ T10] ___sys_sendmsg+0xee/0x170 [ 769.645882][ T10] __sys_sendmsg+0xcd/0x170 [ 769.645882][ T10] do_syscall_64+0xc6/0x1e0 [ 769.645882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.645882][ T10] [ 769.647555][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 769.647819][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 769.647819][ T10] netdev_get_by_index+0x5e/0x80 [ 769.647819][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.647819][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.647819][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.647819][ T10] ipv6_add_addr+0x411/0x2000 [ 769.647819][ T10] inet6_addr_add+0x30e/0xa40 [ 769.647819][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.647819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.647819][ T10] netlink_rcv_skb+0x130/0x360 [ 769.647819][ T10] netlink_unicast+0x449/0x710 [ 769.647819][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.647819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.647819][ T10] ___sys_sendmsg+0xee/0x170 [ 769.647819][ T10] __sys_sendmsg+0xcd/0x170 [ 769.647819][ T10] do_syscall_64+0xc6/0x1e0 [ 769.647819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.647819][ T10] [ 769.649837][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 769.649837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.649837][ T10] ipv6_find_idev+0x102/0x170 [ 769.649837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.649837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.649837][ T10] netlink_rcv_skb+0x130/0x360 [ 769.649837][ T10] netlink_unicast+0x449/0x710 [ 769.649837][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.649837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.649837][ T10] ___sys_sendmsg+0xee/0x170 [ 769.649837][ T10] __sys_sendmsg+0xcd/0x170 [ 769.649837][ T10] do_syscall_64+0xc6/0x1e0 [ 769.649837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.649837][ T10] [ 769.651457][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 769.651457][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.651457][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.651457][ T10] ipv6_find_idev+0x102/0x170 [ 769.651457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.651457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.651457][ T10] netlink_rcv_skb+0x130/0x360 [ 769.651457][ T10] netlink_unicast+0x449/0x710 [ 769.651457][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.651457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.651457][ T10] ___sys_sendmsg+0xee/0x170 [ 769.651457][ T10] __sys_sendmsg+0xcd/0x170 [ 769.651457][ T10] do_syscall_64+0xc6/0x1e0 [ 769.651457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.651457][ T10] [ 769.653566][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 769.653913][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 769.653913][ T10] netdev_get_by_index+0x5e/0x80 [ 769.653913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.653913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.653913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.653913][ T10] ipv6_add_addr+0x411/0x2000 [ 769.653913][ T10] inet6_addr_add+0x30e/0xa40 [ 769.653913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.653913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.653913][ T10] netlink_rcv_skb+0x130/0x360 [ 769.653913][ T10] netlink_unicast+0x449/0x710 [ 769.653913][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.653913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.653913][ T10] ___sys_sendmsg+0xee/0x170 [ 769.653913][ T10] __sys_sendmsg+0xcd/0x170 [ 769.653913][ T10] do_syscall_64+0xc6/0x1e0 [ 769.653913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.653913][ T10] [ 769.656272][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 769.656272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.656272][ T10] ipv6_find_idev+0x102/0x170 [ 769.656272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.656272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.656272][ T10] netlink_rcv_skb+0x130/0x360 [ 769.656272][ T10] netlink_unicast+0x449/0x710 [ 769.656272][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.656272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.656272][ T10] ___sys_sendmsg+0xee/0x170 [ 769.656272][ T10] __sys_sendmsg+0xcd/0x170 [ 769.656272][ T10] do_syscall_64+0xc6/0x1e0 [ 769.656272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.656272][ T10] [ 769.658105][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 769.658105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.658105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.658105][ T10] ipv6_find_idev+0x102/0x170 [ 769.658105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.658105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.658105][ T10] netlink_rcv_skb+0x130/0x360 [ 769.658105][ T10] netlink_unicast+0x449/0x710 [ 769.658105][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.658105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.658105][ T10] ___sys_sendmsg+0xee/0x170 [ 769.658105][ T10] __sys_sendmsg+0xcd/0x170 [ 769.658105][ T10] do_syscall_64+0xc6/0x1e0 [ 769.658105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.658105][ T10] [ 769.660168][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 769.660495][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 769.660495][ T10] netdev_get_by_index+0x5e/0x80 [ 769.660495][ T10] fib6_nh_init+0x3d8/0x15b0 [ 769.660495][ T10] ip6_route_info_create+0xf18/0x17d0 [ 769.660495][ T10] addrconf_f6i_alloc+0x244/0x410 [ 769.660495][ T10] ipv6_add_addr+0x411/0x2000 [ 769.660495][ T10] inet6_addr_add+0x30e/0xa40 [ 769.660495][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 769.660495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.660495][ T10] netlink_rcv_skb+0x130/0x360 [ 769.660495][ T10] netlink_unicast+0x449/0x710 [ 769.660495][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.660495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.660495][ T10] ___sys_sendmsg+0xee/0x170 [ 769.660495][ T10] __sys_sendmsg+0xcd/0x170 [ 769.660495][ T10] do_syscall_64+0xc6/0x1e0 [ 769.660495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.660495][ T10] [ 769.662839][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 769.662839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 769.662839][ T10] ipv6_find_idev+0x102/0x170 [ 769.662839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.662839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.662839][ T10] netlink_rcv_skb+0x130/0x360 [ 769.662839][ T10] netlink_unicast+0x449/0x710 [ 769.662839][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.662839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.662839][ T10] ___sys_sendmsg+0xee/0x170 [ 769.662839][ T10] __sys_sendmsg+0xcd/0x170 [ 769.662839][ T10] do_syscall_64+0xc6/0x1e0 [ 769.662839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.662839][ T10] [ 769.664690][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 769.664690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 769.664690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 769.664690][ T10] ipv6_find_idev+0x102/0x170 [ 769.664690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 769.664690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 769.664690][ T10] netlink_rcv_skb+0x130/0x360 [ 769.664690][ T10] netlink_unicast+0x449/0x710 [ 769.664690][ T10] netlink_sendmsg+0x723/0xbe0 [ 769.664690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 769.664690][ T10] ___sys_sendmsg+0xee/0x170 [ 769.664690][ T10] __sys_sendmsg+0xcd/0x170 [ 769.664690][ T10] do_syscall_64+0xc6/0x1e0 [ 769.664690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 769.664690][ T10] [ 779.867045][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 779.867484][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 779.867484][ T10] netdev_get_by_index+0x5e/0x80 [ 779.867484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.867484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.867484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.867484][ T10] ipv6_add_addr+0x411/0x2000 [ 779.867484][ T10] inet6_addr_add+0x30e/0xa40 [ 779.867484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.867484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.867484][ T10] netlink_rcv_skb+0x130/0x360 [ 779.867484][ T10] netlink_unicast+0x449/0x710 [ 779.867484][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.867484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.867484][ T10] ___sys_sendmsg+0xee/0x170 [ 779.867484][ T10] __sys_sendmsg+0xcd/0x170 [ 779.867484][ T10] do_syscall_64+0xc6/0x1e0 [ 779.867484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.867484][ T10] [ 779.869494][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 779.869494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.869494][ T10] ipv6_find_idev+0x102/0x170 [ 779.869494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.869494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.869494][ T10] netlink_rcv_skb+0x130/0x360 [ 779.869494][ T10] netlink_unicast+0x449/0x710 [ 779.869494][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.869494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.869494][ T10] ___sys_sendmsg+0xee/0x170 [ 779.869494][ T10] __sys_sendmsg+0xcd/0x170 [ 779.869494][ T10] do_syscall_64+0xc6/0x1e0 [ 779.869494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.869494][ T10] [ 779.871041][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 779.871041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.871041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.871041][ T10] ipv6_find_idev+0x102/0x170 [ 779.871041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.871041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.871041][ T10] netlink_rcv_skb+0x130/0x360 [ 779.871041][ T10] netlink_unicast+0x449/0x710 [ 779.871041][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.871041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.871041][ T10] ___sys_sendmsg+0xee/0x170 [ 779.871041][ T10] __sys_sendmsg+0xcd/0x170 [ 779.871041][ T10] do_syscall_64+0xc6/0x1e0 [ 779.871041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.871041][ T10] [ 779.872755][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 779.873045][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 779.873045][ T10] netdev_get_by_index+0x5e/0x80 [ 779.873045][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.873045][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.873045][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.873045][ T10] ipv6_add_addr+0x411/0x2000 [ 779.873045][ T10] inet6_addr_add+0x30e/0xa40 [ 779.873045][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.873045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.873045][ T10] netlink_rcv_skb+0x130/0x360 [ 779.873045][ T10] netlink_unicast+0x449/0x710 [ 779.873045][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.873045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.873045][ T10] ___sys_sendmsg+0xee/0x170 [ 779.873045][ T10] __sys_sendmsg+0xcd/0x170 [ 779.873045][ T10] do_syscall_64+0xc6/0x1e0 [ 779.873045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.873045][ T10] [ 779.875086][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 779.875086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.875086][ T10] ipv6_find_idev+0x102/0x170 [ 779.875086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.875086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.875086][ T10] netlink_rcv_skb+0x130/0x360 [ 779.875086][ T10] netlink_unicast+0x449/0x710 [ 779.875086][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.875086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.875086][ T10] ___sys_sendmsg+0xee/0x170 [ 779.875086][ T10] __sys_sendmsg+0xcd/0x170 [ 779.875086][ T10] do_syscall_64+0xc6/0x1e0 [ 779.875086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.875086][ T10] [ 779.876633][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 779.876633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.876633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.876633][ T10] ipv6_find_idev+0x102/0x170 [ 779.876633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.876633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.876633][ T10] netlink_rcv_skb+0x130/0x360 [ 779.876633][ T10] netlink_unicast+0x449/0x710 [ 779.876633][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.876633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.876633][ T10] ___sys_sendmsg+0xee/0x170 [ 779.876633][ T10] __sys_sendmsg+0xcd/0x170 [ 779.876633][ T10] do_syscall_64+0xc6/0x1e0 [ 779.876633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.876633][ T10] [ 779.878373][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 779.878643][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 779.878643][ T10] netdev_get_by_index+0x5e/0x80 [ 779.878643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.878643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.878643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.878643][ T10] ipv6_add_addr+0x411/0x2000 [ 779.878643][ T10] inet6_addr_add+0x30e/0xa40 [ 779.878643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.878643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.878643][ T10] netlink_rcv_skb+0x130/0x360 [ 779.878643][ T10] netlink_unicast+0x449/0x710 [ 779.878643][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.878643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.878643][ T10] ___sys_sendmsg+0xee/0x170 [ 779.878643][ T10] __sys_sendmsg+0xcd/0x170 [ 779.878643][ T10] do_syscall_64+0xc6/0x1e0 [ 779.878643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.878643][ T10] [ 779.880650][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 779.880650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.880650][ T10] ipv6_find_idev+0x102/0x170 [ 779.880650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.880650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.880650][ T10] netlink_rcv_skb+0x130/0x360 [ 779.880650][ T10] netlink_unicast+0x449/0x710 [ 779.880650][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.880650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.880650][ T10] ___sys_sendmsg+0xee/0x170 [ 779.880650][ T10] __sys_sendmsg+0xcd/0x170 [ 779.880650][ T10] do_syscall_64+0xc6/0x1e0 [ 779.880650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.880650][ T10] [ 779.882185][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 779.882185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.882185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.882185][ T10] ipv6_find_idev+0x102/0x170 [ 779.882185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.882185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.882185][ T10] netlink_rcv_skb+0x130/0x360 [ 779.882185][ T10] netlink_unicast+0x449/0x710 [ 779.882185][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.882185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.882185][ T10] ___sys_sendmsg+0xee/0x170 [ 779.882185][ T10] __sys_sendmsg+0xcd/0x170 [ 779.882185][ T10] do_syscall_64+0xc6/0x1e0 [ 779.882185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.882185][ T10] [ 779.883872][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 779.884142][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 779.884142][ T10] netdev_get_by_index+0x5e/0x80 [ 779.884142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.884142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.884142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.884142][ T10] ipv6_add_addr+0x411/0x2000 [ 779.884142][ T10] inet6_addr_add+0x30e/0xa40 [ 779.884142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.884142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.884142][ T10] netlink_rcv_skb+0x130/0x360 [ 779.884142][ T10] netlink_unicast+0x449/0x710 [ 779.884142][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.884142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.884142][ T10] ___sys_sendmsg+0xee/0x170 [ 779.884142][ T10] __sys_sendmsg+0xcd/0x170 [ 779.884142][ T10] do_syscall_64+0xc6/0x1e0 [ 779.884142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.884142][ T10] [ 779.886153][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 779.886153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.886153][ T10] ipv6_find_idev+0x102/0x170 [ 779.886153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.886153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.886153][ T10] netlink_rcv_skb+0x130/0x360 [ 779.886153][ T10] netlink_unicast+0x449/0x710 [ 779.886153][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.886153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.886153][ T10] ___sys_sendmsg+0xee/0x170 [ 779.886153][ T10] __sys_sendmsg+0xcd/0x170 [ 779.886153][ T10] do_syscall_64+0xc6/0x1e0 [ 779.886153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.886153][ T10] [ 779.887697][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 779.887697][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.887697][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.887697][ T10] ipv6_find_idev+0x102/0x170 [ 779.887697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.887697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.887697][ T10] netlink_rcv_skb+0x130/0x360 [ 779.887697][ T10] netlink_unicast+0x449/0x710 [ 779.887697][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.887697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.887697][ T10] ___sys_sendmsg+0xee/0x170 [ 779.887697][ T10] __sys_sendmsg+0xcd/0x170 [ 779.887697][ T10] do_syscall_64+0xc6/0x1e0 [ 779.887697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.887697][ T10] [ 779.889796][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 779.890417][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 779.890417][ T10] netdev_get_by_index+0x5e/0x80 [ 779.890417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.890417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.890417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.890417][ T10] ipv6_add_addr+0x411/0x2000 [ 779.890417][ T10] inet6_addr_add+0x30e/0xa40 [ 779.890417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.890417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.890417][ T10] netlink_rcv_skb+0x130/0x360 [ 779.890417][ T10] netlink_unicast+0x449/0x710 [ 779.890417][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.890417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.890417][ T10] ___sys_sendmsg+0xee/0x170 [ 779.890417][ T10] __sys_sendmsg+0xcd/0x170 [ 779.890417][ T10] do_syscall_64+0xc6/0x1e0 [ 779.890417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.890417][ T10] [ 779.892392][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 779.892392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.892392][ T10] ipv6_find_idev+0x102/0x170 [ 779.892392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.892392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.892392][ T10] netlink_rcv_skb+0x130/0x360 [ 779.892392][ T10] netlink_unicast+0x449/0x710 [ 779.892392][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.892392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.892392][ T10] ___sys_sendmsg+0xee/0x170 [ 779.892392][ T10] __sys_sendmsg+0xcd/0x170 [ 779.892392][ T10] do_syscall_64+0xc6/0x1e0 [ 779.892392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.892392][ T10] [ 779.894448][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 779.894448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.894448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.894448][ T10] ipv6_find_idev+0x102/0x170 [ 779.894448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.894448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.894448][ T10] netlink_rcv_skb+0x130/0x360 [ 779.894448][ T10] netlink_unicast+0x449/0x710 [ 779.894448][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.894448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.894448][ T10] ___sys_sendmsg+0xee/0x170 [ 779.894448][ T10] __sys_sendmsg+0xcd/0x170 [ 779.894448][ T10] do_syscall_64+0xc6/0x1e0 [ 779.894448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.894448][ T10] [ 779.896131][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 779.896403][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 779.896403][ T10] netdev_get_by_index+0x5e/0x80 [ 779.896403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.896403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.896403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.896403][ T10] ipv6_add_addr+0x411/0x2000 [ 779.896403][ T10] inet6_addr_add+0x30e/0xa40 [ 779.896403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.896403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.896403][ T10] netlink_rcv_skb+0x130/0x360 [ 779.896403][ T10] netlink_unicast+0x449/0x710 [ 779.896403][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.896403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.896403][ T10] ___sys_sendmsg+0xee/0x170 [ 779.896403][ T10] __sys_sendmsg+0xcd/0x170 [ 779.896403][ T10] do_syscall_64+0xc6/0x1e0 [ 779.896403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.896403][ T10] [ 779.898430][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 779.898430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.898430][ T10] ipv6_find_idev+0x102/0x170 [ 779.898430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.898430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.898430][ T10] netlink_rcv_skb+0x130/0x360 [ 779.898430][ T10] netlink_unicast+0x449/0x710 [ 779.898430][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.898430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.898430][ T10] ___sys_sendmsg+0xee/0x170 [ 779.898430][ T10] __sys_sendmsg+0xcd/0x170 [ 779.898430][ T10] do_syscall_64+0xc6/0x1e0 [ 779.898430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.898430][ T10] [ 779.900059][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 779.900059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.900059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.900059][ T10] ipv6_find_idev+0x102/0x170 [ 779.900059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.900059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.900059][ T10] netlink_rcv_skb+0x130/0x360 [ 779.900059][ T10] netlink_unicast+0x449/0x710 [ 779.900059][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.900059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.900059][ T10] ___sys_sendmsg+0xee/0x170 [ 779.900059][ T10] __sys_sendmsg+0xcd/0x170 [ 779.900059][ T10] do_syscall_64+0xc6/0x1e0 [ 779.900059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.900059][ T10] [ 779.901998][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 779.902310][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 779.902310][ T10] netdev_get_by_index+0x5e/0x80 [ 779.902310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.902310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.902310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.902310][ T10] ipv6_add_addr+0x411/0x2000 [ 779.902310][ T10] inet6_addr_add+0x30e/0xa40 [ 779.902310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.902310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.902310][ T10] netlink_rcv_skb+0x130/0x360 [ 779.902310][ T10] netlink_unicast+0x449/0x710 [ 779.902310][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.902310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.902310][ T10] ___sys_sendmsg+0xee/0x170 [ 779.902310][ T10] __sys_sendmsg+0xcd/0x170 [ 779.902310][ T10] do_syscall_64+0xc6/0x1e0 [ 779.902310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.902310][ T10] [ 779.904499][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 779.904499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.904499][ T10] ipv6_find_idev+0x102/0x170 [ 779.904499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.904499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.904499][ T10] netlink_rcv_skb+0x130/0x360 [ 779.904499][ T10] netlink_unicast+0x449/0x710 [ 779.904499][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.904499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.904499][ T10] ___sys_sendmsg+0xee/0x170 [ 779.904499][ T10] __sys_sendmsg+0xcd/0x170 [ 779.904499][ T10] do_syscall_64+0xc6/0x1e0 [ 779.904499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.904499][ T10] [ 779.906273][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 779.906273][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.906273][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.906273][ T10] ipv6_find_idev+0x102/0x170 [ 779.906273][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.906273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.906273][ T10] netlink_rcv_skb+0x130/0x360 [ 779.906273][ T10] netlink_unicast+0x449/0x710 [ 779.906273][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.906273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.906273][ T10] ___sys_sendmsg+0xee/0x170 [ 779.906273][ T10] __sys_sendmsg+0xcd/0x170 [ 779.906273][ T10] do_syscall_64+0xc6/0x1e0 [ 779.906273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.906273][ T10] [ 779.908176][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 779.908483][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 779.908483][ T10] netdev_get_by_index+0x5e/0x80 [ 779.908483][ T10] fib6_nh_init+0x3d8/0x15b0 [ 779.908483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 779.908483][ T10] addrconf_f6i_alloc+0x244/0x410 [ 779.908483][ T10] ipv6_add_addr+0x411/0x2000 [ 779.908483][ T10] inet6_addr_add+0x30e/0xa40 [ 779.908483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 779.908483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.908483][ T10] netlink_rcv_skb+0x130/0x360 [ 779.908483][ T10] netlink_unicast+0x449/0x710 [ 779.908483][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.908483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.908483][ T10] ___sys_sendmsg+0xee/0x170 [ 779.908483][ T10] __sys_sendmsg+0xcd/0x170 [ 779.908483][ T10] do_syscall_64+0xc6/0x1e0 [ 779.908483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.908483][ T10] [ 779.910686][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 779.910686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 779.910686][ T10] ipv6_find_idev+0x102/0x170 [ 779.910686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.910686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.910686][ T10] netlink_rcv_skb+0x130/0x360 [ 779.910686][ T10] netlink_unicast+0x449/0x710 [ 779.910686][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.910686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.910686][ T10] ___sys_sendmsg+0xee/0x170 [ 779.910686][ T10] __sys_sendmsg+0xcd/0x170 [ 779.910686][ T10] do_syscall_64+0xc6/0x1e0 [ 779.910686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.910686][ T10] [ 779.912825][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 779.912825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 779.912825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 779.912825][ T10] ipv6_find_idev+0x102/0x170 [ 779.912825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 779.912825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 779.912825][ T10] netlink_rcv_skb+0x130/0x360 [ 779.912825][ T10] netlink_unicast+0x449/0x710 [ 779.912825][ T10] netlink_sendmsg+0x723/0xbe0 [ 779.912825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 779.912825][ T10] ___sys_sendmsg+0xee/0x170 [ 779.912825][ T10] __sys_sendmsg+0xcd/0x170 [ 779.912825][ T10] do_syscall_64+0xc6/0x1e0 [ 779.912825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 779.912825][ T10] [ 790.010945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 790.011379][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 790.011379][ T10] netdev_get_by_index+0x5e/0x80 [ 790.011379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.011379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.011379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.011379][ T10] ipv6_add_addr+0x411/0x2000 [ 790.011379][ T10] inet6_addr_add+0x30e/0xa40 [ 790.011379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.011379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.011379][ T10] netlink_rcv_skb+0x130/0x360 [ 790.011379][ T10] netlink_unicast+0x449/0x710 [ 790.011379][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.011379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.011379][ T10] ___sys_sendmsg+0xee/0x170 [ 790.011379][ T10] __sys_sendmsg+0xcd/0x170 [ 790.011379][ T10] do_syscall_64+0xc6/0x1e0 [ 790.011379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.011379][ T10] [ 790.013515][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 790.013515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.013515][ T10] ipv6_find_idev+0x102/0x170 [ 790.013515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.013515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.013515][ T10] netlink_rcv_skb+0x130/0x360 [ 790.013515][ T10] netlink_unicast+0x449/0x710 [ 790.013515][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.013515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.013515][ T10] ___sys_sendmsg+0xee/0x170 [ 790.013515][ T10] __sys_sendmsg+0xcd/0x170 [ 790.013515][ T10] do_syscall_64+0xc6/0x1e0 [ 790.013515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.013515][ T10] [ 790.015131][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 790.015131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.015131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.015131][ T10] ipv6_find_idev+0x102/0x170 [ 790.015131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.015131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.015131][ T10] netlink_rcv_skb+0x130/0x360 [ 790.015131][ T10] netlink_unicast+0x449/0x710 [ 790.015131][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.015131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.015131][ T10] ___sys_sendmsg+0xee/0x170 [ 790.015131][ T10] __sys_sendmsg+0xcd/0x170 [ 790.015131][ T10] do_syscall_64+0xc6/0x1e0 [ 790.015131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.015131][ T10] [ 790.016986][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 790.017268][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 790.017268][ T10] netdev_get_by_index+0x5e/0x80 [ 790.017268][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.017268][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.017268][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.017268][ T10] ipv6_add_addr+0x411/0x2000 [ 790.017268][ T10] inet6_addr_add+0x30e/0xa40 [ 790.017268][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.017268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.017268][ T10] netlink_rcv_skb+0x130/0x360 [ 790.017268][ T10] netlink_unicast+0x449/0x710 [ 790.017268][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.017268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.017268][ T10] ___sys_sendmsg+0xee/0x170 [ 790.017268][ T10] __sys_sendmsg+0xcd/0x170 [ 790.017268][ T10] do_syscall_64+0xc6/0x1e0 [ 790.017268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.017268][ T10] [ 790.019338][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 790.019338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.019338][ T10] ipv6_find_idev+0x102/0x170 [ 790.019338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.019338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.019338][ T10] netlink_rcv_skb+0x130/0x360 [ 790.019338][ T10] netlink_unicast+0x449/0x710 [ 790.019338][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.019338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.019338][ T10] ___sys_sendmsg+0xee/0x170 [ 790.019338][ T10] __sys_sendmsg+0xcd/0x170 [ 790.019338][ T10] do_syscall_64+0xc6/0x1e0 [ 790.019338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.019338][ T10] [ 790.020985][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 790.020985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.020985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.020985][ T10] ipv6_find_idev+0x102/0x170 [ 790.020985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.020985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.020985][ T10] netlink_rcv_skb+0x130/0x360 [ 790.020985][ T10] netlink_unicast+0x449/0x710 [ 790.020985][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.020985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.020985][ T10] ___sys_sendmsg+0xee/0x170 [ 790.020985][ T10] __sys_sendmsg+0xcd/0x170 [ 790.020985][ T10] do_syscall_64+0xc6/0x1e0 [ 790.020985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.020985][ T10] [ 790.022711][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 790.022993][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 790.022993][ T10] netdev_get_by_index+0x5e/0x80 [ 790.022993][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.022993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.022993][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.022993][ T10] ipv6_add_addr+0x411/0x2000 [ 790.022993][ T10] inet6_addr_add+0x30e/0xa40 [ 790.022993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.022993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.022993][ T10] netlink_rcv_skb+0x130/0x360 [ 790.022993][ T10] netlink_unicast+0x449/0x710 [ 790.022993][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.022993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.022993][ T10] ___sys_sendmsg+0xee/0x170 [ 790.022993][ T10] __sys_sendmsg+0xcd/0x170 [ 790.022993][ T10] do_syscall_64+0xc6/0x1e0 [ 790.022993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.022993][ T10] [ 790.025026][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 790.025026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.025026][ T10] ipv6_find_idev+0x102/0x170 [ 790.025026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.025026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.025026][ T10] netlink_rcv_skb+0x130/0x360 [ 790.025026][ T10] netlink_unicast+0x449/0x710 [ 790.025026][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.025026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.025026][ T10] ___sys_sendmsg+0xee/0x170 [ 790.025026][ T10] __sys_sendmsg+0xcd/0x170 [ 790.025026][ T10] do_syscall_64+0xc6/0x1e0 [ 790.025026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.025026][ T10] [ 790.027071][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 790.027071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.027071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.027071][ T10] ipv6_find_idev+0x102/0x170 [ 790.027071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.027071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.027071][ T10] netlink_rcv_skb+0x130/0x360 [ 790.027071][ T10] netlink_unicast+0x449/0x710 [ 790.027071][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.027071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.027071][ T10] ___sys_sendmsg+0xee/0x170 [ 790.027071][ T10] __sys_sendmsg+0xcd/0x170 [ 790.027071][ T10] do_syscall_64+0xc6/0x1e0 [ 790.027071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.027071][ T10] [ 790.028864][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 790.029152][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 790.029152][ T10] netdev_get_by_index+0x5e/0x80 [ 790.029152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.029152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.029152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.029152][ T10] ipv6_add_addr+0x411/0x2000 [ 790.029152][ T10] inet6_addr_add+0x30e/0xa40 [ 790.029152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.029152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.029152][ T10] netlink_rcv_skb+0x130/0x360 [ 790.029152][ T10] netlink_unicast+0x449/0x710 [ 790.029152][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.029152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.029152][ T10] ___sys_sendmsg+0xee/0x170 [ 790.029152][ T10] __sys_sendmsg+0xcd/0x170 [ 790.029152][ T10] do_syscall_64+0xc6/0x1e0 [ 790.029152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.029152][ T10] [ 790.031363][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 790.031363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.031363][ T10] ipv6_find_idev+0x102/0x170 [ 790.031363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.031363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.031363][ T10] netlink_rcv_skb+0x130/0x360 [ 790.031363][ T10] netlink_unicast+0x449/0x710 [ 790.031363][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.031363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.031363][ T10] ___sys_sendmsg+0xee/0x170 [ 790.031363][ T10] __sys_sendmsg+0xcd/0x170 [ 790.031363][ T10] do_syscall_64+0xc6/0x1e0 [ 790.031363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.031363][ T10] [ 790.033136][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 790.033136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.033136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.033136][ T10] ipv6_find_idev+0x102/0x170 [ 790.033136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.033136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.033136][ T10] netlink_rcv_skb+0x130/0x360 [ 790.033136][ T10] netlink_unicast+0x449/0x710 [ 790.033136][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.033136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.033136][ T10] ___sys_sendmsg+0xee/0x170 [ 790.033136][ T10] __sys_sendmsg+0xcd/0x170 [ 790.033136][ T10] do_syscall_64+0xc6/0x1e0 [ 790.033136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.033136][ T10] [ 790.035549][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 790.036232][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 790.036232][ T10] netdev_get_by_index+0x5e/0x80 [ 790.036232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.036232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.036232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.036232][ T10] ipv6_add_addr+0x411/0x2000 [ 790.036232][ T10] inet6_addr_add+0x30e/0xa40 [ 790.036232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.036232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.036232][ T10] netlink_rcv_skb+0x130/0x360 [ 790.036232][ T10] netlink_unicast+0x449/0x710 [ 790.036232][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.036232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.036232][ T10] ___sys_sendmsg+0xee/0x170 [ 790.036232][ T10] __sys_sendmsg+0xcd/0x170 [ 790.036232][ T10] do_syscall_64+0xc6/0x1e0 [ 790.036232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.036232][ T10] [ 790.038472][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 790.038472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.038472][ T10] ipv6_find_idev+0x102/0x170 [ 790.038472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.038472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.038472][ T10] netlink_rcv_skb+0x130/0x360 [ 790.038472][ T10] netlink_unicast+0x449/0x710 [ 790.038472][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.038472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.038472][ T10] ___sys_sendmsg+0xee/0x170 [ 790.038472][ T10] __sys_sendmsg+0xcd/0x170 [ 790.038472][ T10] do_syscall_64+0xc6/0x1e0 [ 790.038472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.038472][ T10] [ 790.040063][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 790.040063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.040063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.040063][ T10] ipv6_find_idev+0x102/0x170 [ 790.040063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.040063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.040063][ T10] netlink_rcv_skb+0x130/0x360 [ 790.040063][ T10] netlink_unicast+0x449/0x710 [ 790.040063][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.040063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.040063][ T10] ___sys_sendmsg+0xee/0x170 [ 790.040063][ T10] __sys_sendmsg+0xcd/0x170 [ 790.040063][ T10] do_syscall_64+0xc6/0x1e0 [ 790.040063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.040063][ T10] [ 790.041777][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 790.042111][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 790.042111][ T10] netdev_get_by_index+0x5e/0x80 [ 790.042111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.042111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.042111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.042111][ T10] ipv6_add_addr+0x411/0x2000 [ 790.042111][ T10] inet6_addr_add+0x30e/0xa40 [ 790.042111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.042111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.042111][ T10] netlink_rcv_skb+0x130/0x360 [ 790.042111][ T10] netlink_unicast+0x449/0x710 [ 790.042111][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.042111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.042111][ T10] ___sys_sendmsg+0xee/0x170 [ 790.042111][ T10] __sys_sendmsg+0xcd/0x170 [ 790.042111][ T10] do_syscall_64+0xc6/0x1e0 [ 790.042111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.042111][ T10] [ 790.044558][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 790.044558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.044558][ T10] ipv6_find_idev+0x102/0x170 [ 790.044558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.044558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.044558][ T10] netlink_rcv_skb+0x130/0x360 [ 790.044558][ T10] netlink_unicast+0x449/0x710 [ 790.044558][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.044558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.044558][ T10] ___sys_sendmsg+0xee/0x170 [ 790.044558][ T10] __sys_sendmsg+0xcd/0x170 [ 790.044558][ T10] do_syscall_64+0xc6/0x1e0 [ 790.044558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.044558][ T10] [ 790.046191][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 790.046191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.046191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.046191][ T10] ipv6_find_idev+0x102/0x170 [ 790.046191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.046191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.046191][ T10] netlink_rcv_skb+0x130/0x360 [ 790.046191][ T10] netlink_unicast+0x449/0x710 [ 790.046191][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.046191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.046191][ T10] ___sys_sendmsg+0xee/0x170 [ 790.046191][ T10] __sys_sendmsg+0xcd/0x170 [ 790.046191][ T10] do_syscall_64+0xc6/0x1e0 [ 790.046191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.046191][ T10] [ 790.048320][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 790.048673][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 790.048673][ T10] netdev_get_by_index+0x5e/0x80 [ 790.048673][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.048673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.048673][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.048673][ T10] ipv6_add_addr+0x411/0x2000 [ 790.048673][ T10] inet6_addr_add+0x30e/0xa40 [ 790.048673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.048673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.048673][ T10] netlink_rcv_skb+0x130/0x360 [ 790.048673][ T10] netlink_unicast+0x449/0x710 [ 790.048673][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.048673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.048673][ T10] ___sys_sendmsg+0xee/0x170 [ 790.048673][ T10] __sys_sendmsg+0xcd/0x170 [ 790.048673][ T10] do_syscall_64+0xc6/0x1e0 [ 790.048673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.048673][ T10] [ 790.051019][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 790.051019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.051019][ T10] ipv6_find_idev+0x102/0x170 [ 790.051019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.051019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.051019][ T10] netlink_rcv_skb+0x130/0x360 [ 790.051019][ T10] netlink_unicast+0x449/0x710 [ 790.051019][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.051019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.051019][ T10] ___sys_sendmsg+0xee/0x170 [ 790.051019][ T10] __sys_sendmsg+0xcd/0x170 [ 790.051019][ T10] do_syscall_64+0xc6/0x1e0 [ 790.051019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.051019][ T10] [ 790.052834][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 790.052834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.052834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.052834][ T10] ipv6_find_idev+0x102/0x170 [ 790.052834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.052834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.052834][ T10] netlink_rcv_skb+0x130/0x360 [ 790.052834][ T10] netlink_unicast+0x449/0x710 [ 790.052834][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.052834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.052834][ T10] ___sys_sendmsg+0xee/0x170 [ 790.052834][ T10] __sys_sendmsg+0xcd/0x170 [ 790.052834][ T10] do_syscall_64+0xc6/0x1e0 [ 790.052834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.052834][ T10] [ 790.054904][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 790.055243][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 790.055243][ T10] netdev_get_by_index+0x5e/0x80 [ 790.055243][ T10] fib6_nh_init+0x3d8/0x15b0 [ 790.055243][ T10] ip6_route_info_create+0xf18/0x17d0 [ 790.055243][ T10] addrconf_f6i_alloc+0x244/0x410 [ 790.055243][ T10] ipv6_add_addr+0x411/0x2000 [ 790.055243][ T10] inet6_addr_add+0x30e/0xa40 [ 790.055243][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 790.055243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.055243][ T10] netlink_rcv_skb+0x130/0x360 [ 790.055243][ T10] netlink_unicast+0x449/0x710 [ 790.055243][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.055243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.055243][ T10] ___sys_sendmsg+0xee/0x170 [ 790.055243][ T10] __sys_sendmsg+0xcd/0x170 [ 790.055243][ T10] do_syscall_64+0xc6/0x1e0 [ 790.055243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.055243][ T10] [ 790.057558][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 790.057558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 790.057558][ T10] ipv6_find_idev+0x102/0x170 [ 790.057558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.057558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.057558][ T10] netlink_rcv_skb+0x130/0x360 [ 790.057558][ T10] netlink_unicast+0x449/0x710 [ 790.057558][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.057558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.057558][ T10] ___sys_sendmsg+0xee/0x170 [ 790.057558][ T10] __sys_sendmsg+0xcd/0x170 [ 790.057558][ T10] do_syscall_64+0xc6/0x1e0 [ 790.057558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.057558][ T10] [ 790.059339][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 790.059339][ T10] neigh_parms_alloc+0x1e5/0x510 [ 790.059339][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 790.059339][ T10] ipv6_find_idev+0x102/0x170 [ 790.059339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 790.059339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 790.059339][ T10] netlink_rcv_skb+0x130/0x360 [ 790.059339][ T10] netlink_unicast+0x449/0x710 [ 790.059339][ T10] netlink_sendmsg+0x723/0xbe0 [ 790.059339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 790.059339][ T10] ___sys_sendmsg+0xee/0x170 [ 790.059339][ T10] __sys_sendmsg+0xcd/0x170 [ 790.059339][ T10] do_syscall_64+0xc6/0x1e0 [ 790.059339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 790.059339][ T10] [ 800.242927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 800.243416][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 800.243416][ T10] netdev_get_by_index+0x5e/0x80 [ 800.243416][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.243416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.243416][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.243416][ T10] ipv6_add_addr+0x411/0x2000 [ 800.243416][ T10] inet6_addr_add+0x30e/0xa40 [ 800.243416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.243416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.243416][ T10] netlink_rcv_skb+0x130/0x360 [ 800.243416][ T10] netlink_unicast+0x449/0x710 [ 800.243416][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.243416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.243416][ T10] ___sys_sendmsg+0xee/0x170 [ 800.243416][ T10] __sys_sendmsg+0xcd/0x170 [ 800.243416][ T10] do_syscall_64+0xc6/0x1e0 [ 800.243416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.243416][ T10] [ 800.245633][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 800.245633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.245633][ T10] ipv6_find_idev+0x102/0x170 [ 800.245633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.245633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.245633][ T10] netlink_rcv_skb+0x130/0x360 [ 800.245633][ T10] netlink_unicast+0x449/0x710 [ 800.245633][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.245633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.245633][ T10] ___sys_sendmsg+0xee/0x170 [ 800.245633][ T10] __sys_sendmsg+0xcd/0x170 [ 800.245633][ T10] do_syscall_64+0xc6/0x1e0 [ 800.245633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.245633][ T10] [ 800.247306][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 800.247306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.247306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.247306][ T10] ipv6_find_idev+0x102/0x170 [ 800.247306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.247306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.247306][ T10] netlink_rcv_skb+0x130/0x360 [ 800.247306][ T10] netlink_unicast+0x449/0x710 [ 800.247306][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.247306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.247306][ T10] ___sys_sendmsg+0xee/0x170 [ 800.247306][ T10] __sys_sendmsg+0xcd/0x170 [ 800.247306][ T10] do_syscall_64+0xc6/0x1e0 [ 800.247306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.247306][ T10] [ 800.249153][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 800.249442][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 800.249442][ T10] netdev_get_by_index+0x5e/0x80 [ 800.249442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.249442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.249442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.249442][ T10] ipv6_add_addr+0x411/0x2000 [ 800.249442][ T10] inet6_addr_add+0x30e/0xa40 [ 800.249442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.249442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.249442][ T10] netlink_rcv_skb+0x130/0x360 [ 800.249442][ T10] netlink_unicast+0x449/0x710 [ 800.249442][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.249442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.249442][ T10] ___sys_sendmsg+0xee/0x170 [ 800.249442][ T10] __sys_sendmsg+0xcd/0x170 [ 800.249442][ T10] do_syscall_64+0xc6/0x1e0 [ 800.249442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.249442][ T10] [ 800.251658][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 800.251658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.251658][ T10] ipv6_find_idev+0x102/0x170 [ 800.251658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.251658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.251658][ T10] netlink_rcv_skb+0x130/0x360 [ 800.251658][ T10] netlink_unicast+0x449/0x710 [ 800.251658][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.251658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.251658][ T10] ___sys_sendmsg+0xee/0x170 [ 800.251658][ T10] __sys_sendmsg+0xcd/0x170 [ 800.251658][ T10] do_syscall_64+0xc6/0x1e0 [ 800.251658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.251658][ T10] [ 800.253353][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 800.253353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.253353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.253353][ T10] ipv6_find_idev+0x102/0x170 [ 800.253353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.253353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.253353][ T10] netlink_rcv_skb+0x130/0x360 [ 800.253353][ T10] netlink_unicast+0x449/0x710 [ 800.253353][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.253353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.253353][ T10] ___sys_sendmsg+0xee/0x170 [ 800.253353][ T10] __sys_sendmsg+0xcd/0x170 [ 800.253353][ T10] do_syscall_64+0xc6/0x1e0 [ 800.253353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.253353][ T10] [ 800.255214][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 800.255498][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 800.255498][ T10] netdev_get_by_index+0x5e/0x80 [ 800.255498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.255498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.255498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.255498][ T10] ipv6_add_addr+0x411/0x2000 [ 800.255498][ T10] inet6_addr_add+0x30e/0xa40 [ 800.255498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.255498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.255498][ T10] netlink_rcv_skb+0x130/0x360 [ 800.255498][ T10] netlink_unicast+0x449/0x710 [ 800.255498][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.255498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.255498][ T10] ___sys_sendmsg+0xee/0x170 [ 800.255498][ T10] __sys_sendmsg+0xcd/0x170 [ 800.255498][ T10] do_syscall_64+0xc6/0x1e0 [ 800.255498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.255498][ T10] [ 800.257688][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 800.257688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.257688][ T10] ipv6_find_idev+0x102/0x170 [ 800.257688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.257688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.257688][ T10] netlink_rcv_skb+0x130/0x360 [ 800.257688][ T10] netlink_unicast+0x449/0x710 [ 800.257688][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.257688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.257688][ T10] ___sys_sendmsg+0xee/0x170 [ 800.257688][ T10] __sys_sendmsg+0xcd/0x170 [ 800.257688][ T10] do_syscall_64+0xc6/0x1e0 [ 800.257688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.257688][ T10] [ 800.259391][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 800.259391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.259391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.259391][ T10] ipv6_find_idev+0x102/0x170 [ 800.259391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.259391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.259391][ T10] netlink_rcv_skb+0x130/0x360 [ 800.259391][ T10] netlink_unicast+0x449/0x710 [ 800.259391][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.259391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.259391][ T10] ___sys_sendmsg+0xee/0x170 [ 800.259391][ T10] __sys_sendmsg+0xcd/0x170 [ 800.259391][ T10] do_syscall_64+0xc6/0x1e0 [ 800.259391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.259391][ T10] [ 800.261248][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 800.261549][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 800.261549][ T10] netdev_get_by_index+0x5e/0x80 [ 800.261549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.261549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.261549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.261549][ T10] ipv6_add_addr+0x411/0x2000 [ 800.261549][ T10] inet6_addr_add+0x30e/0xa40 [ 800.261549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.261549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.261549][ T10] netlink_rcv_skb+0x130/0x360 [ 800.261549][ T10] netlink_unicast+0x449/0x710 [ 800.261549][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.261549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.261549][ T10] ___sys_sendmsg+0xee/0x170 [ 800.261549][ T10] __sys_sendmsg+0xcd/0x170 [ 800.261549][ T10] do_syscall_64+0xc6/0x1e0 [ 800.261549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.261549][ T10] [ 800.263773][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 800.263773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.263773][ T10] ipv6_find_idev+0x102/0x170 [ 800.263773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.263773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.263773][ T10] netlink_rcv_skb+0x130/0x360 [ 800.263773][ T10] netlink_unicast+0x449/0x710 [ 800.263773][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.263773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.263773][ T10] ___sys_sendmsg+0xee/0x170 [ 800.263773][ T10] __sys_sendmsg+0xcd/0x170 [ 800.263773][ T10] do_syscall_64+0xc6/0x1e0 [ 800.263773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.263773][ T10] [ 800.265470][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 800.265470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.265470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.265470][ T10] ipv6_find_idev+0x102/0x170 [ 800.265470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.265470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.265470][ T10] netlink_rcv_skb+0x130/0x360 [ 800.265470][ T10] netlink_unicast+0x449/0x710 [ 800.265470][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.265470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.265470][ T10] ___sys_sendmsg+0xee/0x170 [ 800.265470][ T10] __sys_sendmsg+0xcd/0x170 [ 800.265470][ T10] do_syscall_64+0xc6/0x1e0 [ 800.265470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.265470][ T10] [ 800.267743][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 800.268382][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 800.268382][ T10] netdev_get_by_index+0x5e/0x80 [ 800.268382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.268382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.268382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.268382][ T10] ipv6_add_addr+0x411/0x2000 [ 800.268382][ T10] inet6_addr_add+0x30e/0xa40 [ 800.268382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.268382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.268382][ T10] netlink_rcv_skb+0x130/0x360 [ 800.268382][ T10] netlink_unicast+0x449/0x710 [ 800.268382][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.268382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.268382][ T10] ___sys_sendmsg+0xee/0x170 [ 800.268382][ T10] __sys_sendmsg+0xcd/0x170 [ 800.268382][ T10] do_syscall_64+0xc6/0x1e0 [ 800.268382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.268382][ T10] [ 800.270573][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 800.270573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.270573][ T10] ipv6_find_idev+0x102/0x170 [ 800.270573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.270573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.270573][ T10] netlink_rcv_skb+0x130/0x360 [ 800.270573][ T10] netlink_unicast+0x449/0x710 [ 800.270573][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.270573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.270573][ T10] ___sys_sendmsg+0xee/0x170 [ 800.270573][ T10] __sys_sendmsg+0xcd/0x170 [ 800.270573][ T10] do_syscall_64+0xc6/0x1e0 [ 800.270573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.270573][ T10] [ 800.272271][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 800.272271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.272271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.272271][ T10] ipv6_find_idev+0x102/0x170 [ 800.272271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.272271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.272271][ T10] netlink_rcv_skb+0x130/0x360 [ 800.272271][ T10] netlink_unicast+0x449/0x710 [ 800.272271][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.272271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.272271][ T10] ___sys_sendmsg+0xee/0x170 [ 800.272271][ T10] __sys_sendmsg+0xcd/0x170 [ 800.272271][ T10] do_syscall_64+0xc6/0x1e0 [ 800.272271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.272271][ T10] [ 800.274125][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 800.274430][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 800.274430][ T10] netdev_get_by_index+0x5e/0x80 [ 800.274430][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.274430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.274430][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.274430][ T10] ipv6_add_addr+0x411/0x2000 [ 800.274430][ T10] inet6_addr_add+0x30e/0xa40 [ 800.274430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.274430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.274430][ T10] netlink_rcv_skb+0x130/0x360 [ 800.274430][ T10] netlink_unicast+0x449/0x710 [ 800.274430][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.274430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.274430][ T10] ___sys_sendmsg+0xee/0x170 [ 800.274430][ T10] __sys_sendmsg+0xcd/0x170 [ 800.274430][ T10] do_syscall_64+0xc6/0x1e0 [ 800.274430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.274430][ T10] [ 800.276615][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 800.276615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.276615][ T10] ipv6_find_idev+0x102/0x170 [ 800.276615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.276615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.276615][ T10] netlink_rcv_skb+0x130/0x360 [ 800.276615][ T10] netlink_unicast+0x449/0x710 [ 800.276615][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.276615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.276615][ T10] ___sys_sendmsg+0xee/0x170 [ 800.276615][ T10] __sys_sendmsg+0xcd/0x170 [ 800.276615][ T10] do_syscall_64+0xc6/0x1e0 [ 800.276615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.276615][ T10] [ 800.278356][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 800.278356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.278356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.278356][ T10] ipv6_find_idev+0x102/0x170 [ 800.278356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.278356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.278356][ T10] netlink_rcv_skb+0x130/0x360 [ 800.278356][ T10] netlink_unicast+0x449/0x710 [ 800.278356][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.278356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.278356][ T10] ___sys_sendmsg+0xee/0x170 [ 800.278356][ T10] __sys_sendmsg+0xcd/0x170 [ 800.278356][ T10] do_syscall_64+0xc6/0x1e0 [ 800.278356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.278356][ T10] [ 800.280485][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 800.280766][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 800.280766][ T10] netdev_get_by_index+0x5e/0x80 [ 800.280766][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.280766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.280766][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.280766][ T10] ipv6_add_addr+0x411/0x2000 [ 800.280766][ T10] inet6_addr_add+0x30e/0xa40 [ 800.280766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.280766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.280766][ T10] netlink_rcv_skb+0x130/0x360 [ 800.280766][ T10] netlink_unicast+0x449/0x710 [ 800.280766][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.280766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.280766][ T10] ___sys_sendmsg+0xee/0x170 [ 800.280766][ T10] __sys_sendmsg+0xcd/0x170 [ 800.280766][ T10] do_syscall_64+0xc6/0x1e0 [ 800.280766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.280766][ T10] [ 800.283201][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 800.283201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.283201][ T10] ipv6_find_idev+0x102/0x170 [ 800.283201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.283201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.283201][ T10] netlink_rcv_skb+0x130/0x360 [ 800.283201][ T10] netlink_unicast+0x449/0x710 [ 800.283201][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.283201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.283201][ T10] ___sys_sendmsg+0xee/0x170 [ 800.283201][ T10] __sys_sendmsg+0xcd/0x170 [ 800.283201][ T10] do_syscall_64+0xc6/0x1e0 [ 800.283201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.283201][ T10] [ 800.285065][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 800.285065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.285065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.285065][ T10] ipv6_find_idev+0x102/0x170 [ 800.285065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.285065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.285065][ T10] netlink_rcv_skb+0x130/0x360 [ 800.285065][ T10] netlink_unicast+0x449/0x710 [ 800.285065][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.285065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.285065][ T10] ___sys_sendmsg+0xee/0x170 [ 800.285065][ T10] __sys_sendmsg+0xcd/0x170 [ 800.285065][ T10] do_syscall_64+0xc6/0x1e0 [ 800.285065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.285065][ T10] [ 800.287272][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 800.287563][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 800.287563][ T10] netdev_get_by_index+0x5e/0x80 [ 800.287563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 800.287563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 800.287563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 800.287563][ T10] ipv6_add_addr+0x411/0x2000 [ 800.287563][ T10] inet6_addr_add+0x30e/0xa40 [ 800.287563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 800.287563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.287563][ T10] netlink_rcv_skb+0x130/0x360 [ 800.287563][ T10] netlink_unicast+0x449/0x710 [ 800.287563][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.287563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.287563][ T10] ___sys_sendmsg+0xee/0x170 [ 800.287563][ T10] __sys_sendmsg+0xcd/0x170 [ 800.287563][ T10] do_syscall_64+0xc6/0x1e0 [ 800.287563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.287563][ T10] [ 800.290511][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 800.290511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 800.290511][ T10] ipv6_find_idev+0x102/0x170 [ 800.290511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.290511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.290511][ T10] netlink_rcv_skb+0x130/0x360 [ 800.290511][ T10] netlink_unicast+0x449/0x710 [ 800.290511][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.290511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.290511][ T10] ___sys_sendmsg+0xee/0x170 [ 800.290511][ T10] __sys_sendmsg+0xcd/0x170 [ 800.290511][ T10] do_syscall_64+0xc6/0x1e0 [ 800.290511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.290511][ T10] [ 800.292456][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 800.292456][ T10] neigh_parms_alloc+0x1e5/0x510 [ 800.292456][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 800.292456][ T10] ipv6_find_idev+0x102/0x170 [ 800.292456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 800.292456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 800.292456][ T10] netlink_rcv_skb+0x130/0x360 [ 800.292456][ T10] netlink_unicast+0x449/0x710 [ 800.292456][ T10] netlink_sendmsg+0x723/0xbe0 [ 800.292456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 800.292456][ T10] ___sys_sendmsg+0xee/0x170 [ 800.292456][ T10] __sys_sendmsg+0xcd/0x170 [ 800.292456][ T10] do_syscall_64+0xc6/0x1e0 [ 800.292456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 800.292456][ T10] [ 810.338943][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 810.339358][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 810.339358][ T10] netdev_get_by_index+0x5e/0x80 [ 810.339358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.339358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.339358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.339358][ T10] ipv6_add_addr+0x411/0x2000 [ 810.339358][ T10] inet6_addr_add+0x30e/0xa40 [ 810.339358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.339358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.339358][ T10] netlink_rcv_skb+0x130/0x360 [ 810.339358][ T10] netlink_unicast+0x449/0x710 [ 810.339358][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.339358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.339358][ T10] ___sys_sendmsg+0xee/0x170 [ 810.339358][ T10] __sys_sendmsg+0xcd/0x170 [ 810.339358][ T10] do_syscall_64+0xc6/0x1e0 [ 810.339358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.339358][ T10] [ 810.341638][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 810.341638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.341638][ T10] ipv6_find_idev+0x102/0x170 [ 810.341638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.341638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.341638][ T10] netlink_rcv_skb+0x130/0x360 [ 810.341638][ T10] netlink_unicast+0x449/0x710 [ 810.341638][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.341638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.341638][ T10] ___sys_sendmsg+0xee/0x170 [ 810.341638][ T10] __sys_sendmsg+0xcd/0x170 [ 810.341638][ T10] do_syscall_64+0xc6/0x1e0 [ 810.341638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.341638][ T10] [ 810.343479][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 810.343479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.343479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.343479][ T10] ipv6_find_idev+0x102/0x170 [ 810.343479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.343479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.343479][ T10] netlink_rcv_skb+0x130/0x360 [ 810.343479][ T10] netlink_unicast+0x449/0x710 [ 810.343479][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.343479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.343479][ T10] ___sys_sendmsg+0xee/0x170 [ 810.343479][ T10] __sys_sendmsg+0xcd/0x170 [ 810.343479][ T10] do_syscall_64+0xc6/0x1e0 [ 810.343479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.343479][ T10] [ 810.345480][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 810.345858][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 810.345858][ T10] netdev_get_by_index+0x5e/0x80 [ 810.345858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.345858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.345858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.345858][ T10] ipv6_add_addr+0x411/0x2000 [ 810.345858][ T10] inet6_addr_add+0x30e/0xa40 [ 810.345858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.345858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.345858][ T10] netlink_rcv_skb+0x130/0x360 [ 810.345858][ T10] netlink_unicast+0x449/0x710 [ 810.345858][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.345858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.345858][ T10] ___sys_sendmsg+0xee/0x170 [ 810.345858][ T10] __sys_sendmsg+0xcd/0x170 [ 810.345858][ T10] do_syscall_64+0xc6/0x1e0 [ 810.345858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.345858][ T10] [ 810.348055][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 810.348055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.348055][ T10] ipv6_find_idev+0x102/0x170 [ 810.348055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.348055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.348055][ T10] netlink_rcv_skb+0x130/0x360 [ 810.348055][ T10] netlink_unicast+0x449/0x710 [ 810.348055][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.348055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.348055][ T10] ___sys_sendmsg+0xee/0x170 [ 810.348055][ T10] __sys_sendmsg+0xcd/0x170 [ 810.348055][ T10] do_syscall_64+0xc6/0x1e0 [ 810.348055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.348055][ T10] [ 810.349735][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 810.349735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.349735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.349735][ T10] ipv6_find_idev+0x102/0x170 [ 810.349735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.349735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.349735][ T10] netlink_rcv_skb+0x130/0x360 [ 810.349735][ T10] netlink_unicast+0x449/0x710 [ 810.349735][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.349735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.349735][ T10] ___sys_sendmsg+0xee/0x170 [ 810.349735][ T10] __sys_sendmsg+0xcd/0x170 [ 810.349735][ T10] do_syscall_64+0xc6/0x1e0 [ 810.349735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.349735][ T10] [ 810.351599][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 810.351906][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 810.351906][ T10] netdev_get_by_index+0x5e/0x80 [ 810.351906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.351906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.351906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.351906][ T10] ipv6_add_addr+0x411/0x2000 [ 810.351906][ T10] inet6_addr_add+0x30e/0xa40 [ 810.351906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.351906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.351906][ T10] netlink_rcv_skb+0x130/0x360 [ 810.351906][ T10] netlink_unicast+0x449/0x710 [ 810.351906][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.351906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.351906][ T10] ___sys_sendmsg+0xee/0x170 [ 810.351906][ T10] __sys_sendmsg+0xcd/0x170 [ 810.351906][ T10] do_syscall_64+0xc6/0x1e0 [ 810.351906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.351906][ T10] [ 810.354089][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 810.354089][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.354089][ T10] ipv6_find_idev+0x102/0x170 [ 810.354089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.354089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.354089][ T10] netlink_rcv_skb+0x130/0x360 [ 810.354089][ T10] netlink_unicast+0x449/0x710 [ 810.354089][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.354089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.354089][ T10] ___sys_sendmsg+0xee/0x170 [ 810.354089][ T10] __sys_sendmsg+0xcd/0x170 [ 810.354089][ T10] do_syscall_64+0xc6/0x1e0 [ 810.354089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.354089][ T10] [ 810.355770][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 810.355770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.355770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.355770][ T10] ipv6_find_idev+0x102/0x170 [ 810.355770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.355770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.355770][ T10] netlink_rcv_skb+0x130/0x360 [ 810.355770][ T10] netlink_unicast+0x449/0x710 [ 810.355770][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.355770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.355770][ T10] ___sys_sendmsg+0xee/0x170 [ 810.355770][ T10] __sys_sendmsg+0xcd/0x170 [ 810.355770][ T10] do_syscall_64+0xc6/0x1e0 [ 810.355770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.355770][ T10] [ 810.357611][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 810.358338][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 810.358338][ T10] netdev_get_by_index+0x5e/0x80 [ 810.358338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.358338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.358338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.358338][ T10] ipv6_add_addr+0x411/0x2000 [ 810.358338][ T10] inet6_addr_add+0x30e/0xa40 [ 810.358338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.358338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.358338][ T10] netlink_rcv_skb+0x130/0x360 [ 810.358338][ T10] netlink_unicast+0x449/0x710 [ 810.358338][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.358338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.358338][ T10] ___sys_sendmsg+0xee/0x170 [ 810.358338][ T10] __sys_sendmsg+0xcd/0x170 [ 810.358338][ T10] do_syscall_64+0xc6/0x1e0 [ 810.358338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.358338][ T10] [ 810.360703][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 810.360703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.360703][ T10] ipv6_find_idev+0x102/0x170 [ 810.360703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.360703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.360703][ T10] netlink_rcv_skb+0x130/0x360 [ 810.360703][ T10] netlink_unicast+0x449/0x710 [ 810.360703][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.360703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.360703][ T10] ___sys_sendmsg+0xee/0x170 [ 810.360703][ T10] __sys_sendmsg+0xcd/0x170 [ 810.360703][ T10] do_syscall_64+0xc6/0x1e0 [ 810.360703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.360703][ T10] [ 810.362548][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 810.362548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.362548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.362548][ T10] ipv6_find_idev+0x102/0x170 [ 810.362548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.362548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.362548][ T10] netlink_rcv_skb+0x130/0x360 [ 810.362548][ T10] netlink_unicast+0x449/0x710 [ 810.362548][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.362548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.362548][ T10] ___sys_sendmsg+0xee/0x170 [ 810.362548][ T10] __sys_sendmsg+0xcd/0x170 [ 810.362548][ T10] do_syscall_64+0xc6/0x1e0 [ 810.362548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.362548][ T10] [ 810.364588][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 810.364950][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 810.364950][ T10] netdev_get_by_index+0x5e/0x80 [ 810.364950][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.364950][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.364950][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.364950][ T10] ipv6_add_addr+0x411/0x2000 [ 810.364950][ T10] inet6_addr_add+0x30e/0xa40 [ 810.364950][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.364950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.364950][ T10] netlink_rcv_skb+0x130/0x360 [ 810.364950][ T10] netlink_unicast+0x449/0x710 [ 810.364950][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.364950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.364950][ T10] ___sys_sendmsg+0xee/0x170 [ 810.364950][ T10] __sys_sendmsg+0xcd/0x170 [ 810.364950][ T10] do_syscall_64+0xc6/0x1e0 [ 810.364950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.364950][ T10] [ 810.367203][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 810.367203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.367203][ T10] ipv6_find_idev+0x102/0x170 [ 810.367203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.367203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.367203][ T10] netlink_rcv_skb+0x130/0x360 [ 810.367203][ T10] netlink_unicast+0x449/0x710 [ 810.367203][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.367203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.367203][ T10] ___sys_sendmsg+0xee/0x170 [ 810.367203][ T10] __sys_sendmsg+0xcd/0x170 [ 810.367203][ T10] do_syscall_64+0xc6/0x1e0 [ 810.367203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.367203][ T10] [ 810.369066][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 810.369066][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.369066][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.369066][ T10] ipv6_find_idev+0x102/0x170 [ 810.369066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.369066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.369066][ T10] netlink_rcv_skb+0x130/0x360 [ 810.369066][ T10] netlink_unicast+0x449/0x710 [ 810.369066][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.369066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.369066][ T10] ___sys_sendmsg+0xee/0x170 [ 810.369066][ T10] __sys_sendmsg+0xcd/0x170 [ 810.369066][ T10] do_syscall_64+0xc6/0x1e0 [ 810.369066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.369066][ T10] [ 810.371133][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 810.371450][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 810.371450][ T10] netdev_get_by_index+0x5e/0x80 [ 810.371450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.371450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.371450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.371450][ T10] ipv6_add_addr+0x411/0x2000 [ 810.371450][ T10] inet6_addr_add+0x30e/0xa40 [ 810.371450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.371450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.371450][ T10] netlink_rcv_skb+0x130/0x360 [ 810.371450][ T10] netlink_unicast+0x449/0x710 [ 810.371450][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.371450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.371450][ T10] ___sys_sendmsg+0xee/0x170 [ 810.371450][ T10] __sys_sendmsg+0xcd/0x170 [ 810.371450][ T10] do_syscall_64+0xc6/0x1e0 [ 810.371450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.371450][ T10] [ 810.373765][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 810.373765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.373765][ T10] ipv6_find_idev+0x102/0x170 [ 810.373765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.373765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.373765][ T10] netlink_rcv_skb+0x130/0x360 [ 810.373765][ T10] netlink_unicast+0x449/0x710 [ 810.373765][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.373765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.373765][ T10] ___sys_sendmsg+0xee/0x170 [ 810.373765][ T10] __sys_sendmsg+0xcd/0x170 [ 810.373765][ T10] do_syscall_64+0xc6/0x1e0 [ 810.373765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.373765][ T10] [ 810.375854][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 810.375854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.375854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.375854][ T10] ipv6_find_idev+0x102/0x170 [ 810.375854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.375854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.375854][ T10] netlink_rcv_skb+0x130/0x360 [ 810.375854][ T10] netlink_unicast+0x449/0x710 [ 810.375854][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.375854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.375854][ T10] ___sys_sendmsg+0xee/0x170 [ 810.375854][ T10] __sys_sendmsg+0xcd/0x170 [ 810.375854][ T10] do_syscall_64+0xc6/0x1e0 [ 810.375854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.375854][ T10] [ 810.378281][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 810.378584][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 810.378584][ T10] netdev_get_by_index+0x5e/0x80 [ 810.378584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.378584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.378584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.378584][ T10] ipv6_add_addr+0x411/0x2000 [ 810.378584][ T10] inet6_addr_add+0x30e/0xa40 [ 810.378584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.378584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.378584][ T10] netlink_rcv_skb+0x130/0x360 [ 810.378584][ T10] netlink_unicast+0x449/0x710 [ 810.378584][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.378584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.378584][ T10] ___sys_sendmsg+0xee/0x170 [ 810.378584][ T10] __sys_sendmsg+0xcd/0x170 [ 810.378584][ T10] do_syscall_64+0xc6/0x1e0 [ 810.378584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.378584][ T10] [ 810.381193][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 810.381193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.381193][ T10] ipv6_find_idev+0x102/0x170 [ 810.381193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.381193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.381193][ T10] netlink_rcv_skb+0x130/0x360 [ 810.381193][ T10] netlink_unicast+0x449/0x710 [ 810.381193][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.381193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.381193][ T10] ___sys_sendmsg+0xee/0x170 [ 810.381193][ T10] __sys_sendmsg+0xcd/0x170 [ 810.381193][ T10] do_syscall_64+0xc6/0x1e0 [ 810.381193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.381193][ T10] [ 810.383217][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 810.383217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.383217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.383217][ T10] ipv6_find_idev+0x102/0x170 [ 810.383217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.383217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.383217][ T10] netlink_rcv_skb+0x130/0x360 [ 810.383217][ T10] netlink_unicast+0x449/0x710 [ 810.383217][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.383217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.383217][ T10] ___sys_sendmsg+0xee/0x170 [ 810.383217][ T10] __sys_sendmsg+0xcd/0x170 [ 810.383217][ T10] do_syscall_64+0xc6/0x1e0 [ 810.383217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.383217][ T10] [ 810.385469][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 810.385799][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 810.385799][ T10] netdev_get_by_index+0x5e/0x80 [ 810.385799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 810.385799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 810.385799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 810.385799][ T10] ipv6_add_addr+0x411/0x2000 [ 810.385799][ T10] inet6_addr_add+0x30e/0xa40 [ 810.385799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 810.385799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.385799][ T10] netlink_rcv_skb+0x130/0x360 [ 810.385799][ T10] netlink_unicast+0x449/0x710 [ 810.385799][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.385799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.385799][ T10] ___sys_sendmsg+0xee/0x170 [ 810.385799][ T10] __sys_sendmsg+0xcd/0x170 [ 810.385799][ T10] do_syscall_64+0xc6/0x1e0 [ 810.385799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.385799][ T10] [ 810.388252][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 810.388252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 810.388252][ T10] ipv6_find_idev+0x102/0x170 [ 810.388252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.388252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.388252][ T10] netlink_rcv_skb+0x130/0x360 [ 810.388252][ T10] netlink_unicast+0x449/0x710 [ 810.388252][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.388252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.388252][ T10] ___sys_sendmsg+0xee/0x170 [ 810.388252][ T10] __sys_sendmsg+0xcd/0x170 [ 810.388252][ T10] do_syscall_64+0xc6/0x1e0 [ 810.388252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.388252][ T10] [ 810.390148][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 810.390148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 810.390148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 810.390148][ T10] ipv6_find_idev+0x102/0x170 [ 810.390148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 810.390148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 810.390148][ T10] netlink_rcv_skb+0x130/0x360 [ 810.390148][ T10] netlink_unicast+0x449/0x710 [ 810.390148][ T10] netlink_sendmsg+0x723/0xbe0 [ 810.390148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 810.390148][ T10] ___sys_sendmsg+0xee/0x170 [ 810.390148][ T10] __sys_sendmsg+0xcd/0x170 [ 810.390148][ T10] do_syscall_64+0xc6/0x1e0 [ 810.390148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 810.390148][ T10] [ 820.475007][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 820.475431][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 820.475431][ T10] netdev_get_by_index+0x5e/0x80 [ 820.475431][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.475431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.475431][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.475431][ T10] ipv6_add_addr+0x411/0x2000 [ 820.475431][ T10] inet6_addr_add+0x30e/0xa40 [ 820.475431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.475431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.475431][ T10] netlink_rcv_skb+0x130/0x360 [ 820.475431][ T10] netlink_unicast+0x449/0x710 [ 820.475431][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.475431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.475431][ T10] ___sys_sendmsg+0xee/0x170 [ 820.475431][ T10] __sys_sendmsg+0xcd/0x170 [ 820.475431][ T10] do_syscall_64+0xc6/0x1e0 [ 820.475431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.475431][ T10] [ 820.477484][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 820.477484][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.477484][ T10] ipv6_find_idev+0x102/0x170 [ 820.477484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.477484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.477484][ T10] netlink_rcv_skb+0x130/0x360 [ 820.477484][ T10] netlink_unicast+0x449/0x710 [ 820.477484][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.477484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.477484][ T10] ___sys_sendmsg+0xee/0x170 [ 820.477484][ T10] __sys_sendmsg+0xcd/0x170 [ 820.477484][ T10] do_syscall_64+0xc6/0x1e0 [ 820.477484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.477484][ T10] [ 820.479095][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 820.479095][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.479095][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.479095][ T10] ipv6_find_idev+0x102/0x170 [ 820.479095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.479095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.479095][ T10] netlink_rcv_skb+0x130/0x360 [ 820.479095][ T10] netlink_unicast+0x449/0x710 [ 820.479095][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.479095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.479095][ T10] ___sys_sendmsg+0xee/0x170 [ 820.479095][ T10] __sys_sendmsg+0xcd/0x170 [ 820.479095][ T10] do_syscall_64+0xc6/0x1e0 [ 820.479095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.479095][ T10] [ 820.480957][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 820.481246][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 820.481246][ T10] netdev_get_by_index+0x5e/0x80 [ 820.481246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.481246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.481246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.481246][ T10] ipv6_add_addr+0x411/0x2000 [ 820.481246][ T10] inet6_addr_add+0x30e/0xa40 [ 820.481246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.481246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.481246][ T10] netlink_rcv_skb+0x130/0x360 [ 820.481246][ T10] netlink_unicast+0x449/0x710 [ 820.481246][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.481246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.481246][ T10] ___sys_sendmsg+0xee/0x170 [ 820.481246][ T10] __sys_sendmsg+0xcd/0x170 [ 820.481246][ T10] do_syscall_64+0xc6/0x1e0 [ 820.481246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.481246][ T10] [ 820.483331][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 820.483331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.483331][ T10] ipv6_find_idev+0x102/0x170 [ 820.483331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.483331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.483331][ T10] netlink_rcv_skb+0x130/0x360 [ 820.483331][ T10] netlink_unicast+0x449/0x710 [ 820.483331][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.483331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.483331][ T10] ___sys_sendmsg+0xee/0x170 [ 820.483331][ T10] __sys_sendmsg+0xcd/0x170 [ 820.483331][ T10] do_syscall_64+0xc6/0x1e0 [ 820.483331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.483331][ T10] [ 820.484980][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 820.484980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.484980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.484980][ T10] ipv6_find_idev+0x102/0x170 [ 820.484980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.484980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.484980][ T10] netlink_rcv_skb+0x130/0x360 [ 820.484980][ T10] netlink_unicast+0x449/0x710 [ 820.484980][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.484980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.484980][ T10] ___sys_sendmsg+0xee/0x170 [ 820.484980][ T10] __sys_sendmsg+0xcd/0x170 [ 820.484980][ T10] do_syscall_64+0xc6/0x1e0 [ 820.484980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.484980][ T10] [ 820.486776][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 820.487065][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 820.487065][ T10] netdev_get_by_index+0x5e/0x80 [ 820.487065][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.487065][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.487065][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.487065][ T10] ipv6_add_addr+0x411/0x2000 [ 820.487065][ T10] inet6_addr_add+0x30e/0xa40 [ 820.487065][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.487065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.487065][ T10] netlink_rcv_skb+0x130/0x360 [ 820.487065][ T10] netlink_unicast+0x449/0x710 [ 820.487065][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.487065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.487065][ T10] ___sys_sendmsg+0xee/0x170 [ 820.487065][ T10] __sys_sendmsg+0xcd/0x170 [ 820.487065][ T10] do_syscall_64+0xc6/0x1e0 [ 820.487065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.487065][ T10] [ 820.489170][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 820.489170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.489170][ T10] ipv6_find_idev+0x102/0x170 [ 820.489170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.489170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.489170][ T10] netlink_rcv_skb+0x130/0x360 [ 820.489170][ T10] netlink_unicast+0x449/0x710 [ 820.489170][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.489170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.489170][ T10] ___sys_sendmsg+0xee/0x170 [ 820.489170][ T10] __sys_sendmsg+0xcd/0x170 [ 820.489170][ T10] do_syscall_64+0xc6/0x1e0 [ 820.489170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.489170][ T10] [ 820.490814][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 820.490814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.490814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.490814][ T10] ipv6_find_idev+0x102/0x170 [ 820.490814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.490814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.490814][ T10] netlink_rcv_skb+0x130/0x360 [ 820.490814][ T10] netlink_unicast+0x449/0x710 [ 820.490814][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.490814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.490814][ T10] ___sys_sendmsg+0xee/0x170 [ 820.490814][ T10] __sys_sendmsg+0xcd/0x170 [ 820.490814][ T10] do_syscall_64+0xc6/0x1e0 [ 820.490814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.490814][ T10] [ 820.492643][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 820.492937][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 820.492937][ T10] netdev_get_by_index+0x5e/0x80 [ 820.492937][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.492937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.492937][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.492937][ T10] ipv6_add_addr+0x411/0x2000 [ 820.492937][ T10] inet6_addr_add+0x30e/0xa40 [ 820.492937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.492937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.492937][ T10] netlink_rcv_skb+0x130/0x360 [ 820.492937][ T10] netlink_unicast+0x449/0x710 [ 820.492937][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.492937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.492937][ T10] ___sys_sendmsg+0xee/0x170 [ 820.492937][ T10] __sys_sendmsg+0xcd/0x170 [ 820.492937][ T10] do_syscall_64+0xc6/0x1e0 [ 820.492937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.492937][ T10] [ 820.495042][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 820.495042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.495042][ T10] ipv6_find_idev+0x102/0x170 [ 820.495042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.495042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.495042][ T10] netlink_rcv_skb+0x130/0x360 [ 820.495042][ T10] netlink_unicast+0x449/0x710 [ 820.495042][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.495042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.495042][ T10] ___sys_sendmsg+0xee/0x170 [ 820.495042][ T10] __sys_sendmsg+0xcd/0x170 [ 820.495042][ T10] do_syscall_64+0xc6/0x1e0 [ 820.495042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.495042][ T10] [ 820.496595][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 820.496595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.496595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.496595][ T10] ipv6_find_idev+0x102/0x170 [ 820.496595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.496595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.496595][ T10] netlink_rcv_skb+0x130/0x360 [ 820.496595][ T10] netlink_unicast+0x449/0x710 [ 820.496595][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.496595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.496595][ T10] ___sys_sendmsg+0xee/0x170 [ 820.496595][ T10] __sys_sendmsg+0xcd/0x170 [ 820.496595][ T10] do_syscall_64+0xc6/0x1e0 [ 820.496595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.496595][ T10] [ 820.498268][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 820.498532][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 820.498532][ T10] netdev_get_by_index+0x5e/0x80 [ 820.498532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.498532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.498532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.498532][ T10] ipv6_add_addr+0x411/0x2000 [ 820.498532][ T10] inet6_addr_add+0x30e/0xa40 [ 820.498532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.498532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.498532][ T10] netlink_rcv_skb+0x130/0x360 [ 820.498532][ T10] netlink_unicast+0x449/0x710 [ 820.498532][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.498532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.498532][ T10] ___sys_sendmsg+0xee/0x170 [ 820.498532][ T10] __sys_sendmsg+0xcd/0x170 [ 820.498532][ T10] do_syscall_64+0xc6/0x1e0 [ 820.498532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.498532][ T10] [ 820.500515][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 820.500515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.500515][ T10] ipv6_find_idev+0x102/0x170 [ 820.500515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.500515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.500515][ T10] netlink_rcv_skb+0x130/0x360 [ 820.500515][ T10] netlink_unicast+0x449/0x710 [ 820.500515][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.500515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.500515][ T10] ___sys_sendmsg+0xee/0x170 [ 820.500515][ T10] __sys_sendmsg+0xcd/0x170 [ 820.500515][ T10] do_syscall_64+0xc6/0x1e0 [ 820.500515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.500515][ T10] [ 820.502142][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 820.502142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.502142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.502142][ T10] ipv6_find_idev+0x102/0x170 [ 820.502142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.502142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.502142][ T10] netlink_rcv_skb+0x130/0x360 [ 820.502142][ T10] netlink_unicast+0x449/0x710 [ 820.502142][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.502142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.502142][ T10] ___sys_sendmsg+0xee/0x170 [ 820.502142][ T10] __sys_sendmsg+0xcd/0x170 [ 820.502142][ T10] do_syscall_64+0xc6/0x1e0 [ 820.502142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.502142][ T10] [ 820.504166][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 820.504431][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 820.504431][ T10] netdev_get_by_index+0x5e/0x80 [ 820.504431][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.504431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.504431][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.504431][ T10] ipv6_add_addr+0x411/0x2000 [ 820.504431][ T10] inet6_addr_add+0x30e/0xa40 [ 820.504431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.504431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.504431][ T10] netlink_rcv_skb+0x130/0x360 [ 820.504431][ T10] netlink_unicast+0x449/0x710 [ 820.504431][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.504431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.504431][ T10] ___sys_sendmsg+0xee/0x170 [ 820.504431][ T10] __sys_sendmsg+0xcd/0x170 [ 820.504431][ T10] do_syscall_64+0xc6/0x1e0 [ 820.504431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.504431][ T10] [ 820.506571][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 820.506571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.506571][ T10] ipv6_find_idev+0x102/0x170 [ 820.506571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.506571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.506571][ T10] netlink_rcv_skb+0x130/0x360 [ 820.506571][ T10] netlink_unicast+0x449/0x710 [ 820.506571][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.506571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.506571][ T10] ___sys_sendmsg+0xee/0x170 [ 820.506571][ T10] __sys_sendmsg+0xcd/0x170 [ 820.506571][ T10] do_syscall_64+0xc6/0x1e0 [ 820.506571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.506571][ T10] [ 820.508315][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 820.508315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.508315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.508315][ T10] ipv6_find_idev+0x102/0x170 [ 820.508315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.508315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.508315][ T10] netlink_rcv_skb+0x130/0x360 [ 820.508315][ T10] netlink_unicast+0x449/0x710 [ 820.508315][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.508315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.508315][ T10] ___sys_sendmsg+0xee/0x170 [ 820.508315][ T10] __sys_sendmsg+0xcd/0x170 [ 820.508315][ T10] do_syscall_64+0xc6/0x1e0 [ 820.508315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.508315][ T10] [ 820.510539][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 820.510803][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 820.510803][ T10] netdev_get_by_index+0x5e/0x80 [ 820.510803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.510803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.510803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.510803][ T10] ipv6_add_addr+0x411/0x2000 [ 820.510803][ T10] inet6_addr_add+0x30e/0xa40 [ 820.510803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.510803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.510803][ T10] netlink_rcv_skb+0x130/0x360 [ 820.510803][ T10] netlink_unicast+0x449/0x710 [ 820.510803][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.510803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.510803][ T10] ___sys_sendmsg+0xee/0x170 [ 820.510803][ T10] __sys_sendmsg+0xcd/0x170 [ 820.510803][ T10] do_syscall_64+0xc6/0x1e0 [ 820.510803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.510803][ T10] [ 820.513007][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 820.513007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.513007][ T10] ipv6_find_idev+0x102/0x170 [ 820.513007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.513007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.513007][ T10] netlink_rcv_skb+0x130/0x360 [ 820.513007][ T10] netlink_unicast+0x449/0x710 [ 820.513007][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.513007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.513007][ T10] ___sys_sendmsg+0xee/0x170 [ 820.513007][ T10] __sys_sendmsg+0xcd/0x170 [ 820.513007][ T10] do_syscall_64+0xc6/0x1e0 [ 820.513007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.513007][ T10] [ 820.514903][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 820.514903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.514903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.514903][ T10] ipv6_find_idev+0x102/0x170 [ 820.514903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.514903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.514903][ T10] netlink_rcv_skb+0x130/0x360 [ 820.514903][ T10] netlink_unicast+0x449/0x710 [ 820.514903][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.514903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.514903][ T10] ___sys_sendmsg+0xee/0x170 [ 820.514903][ T10] __sys_sendmsg+0xcd/0x170 [ 820.514903][ T10] do_syscall_64+0xc6/0x1e0 [ 820.514903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.514903][ T10] [ 820.517002][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 820.517263][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 820.517263][ T10] netdev_get_by_index+0x5e/0x80 [ 820.517263][ T10] fib6_nh_init+0x3d8/0x15b0 [ 820.517263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 820.517263][ T10] addrconf_f6i_alloc+0x244/0x410 [ 820.517263][ T10] ipv6_add_addr+0x411/0x2000 [ 820.517263][ T10] inet6_addr_add+0x30e/0xa40 [ 820.517263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 820.517263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.517263][ T10] netlink_rcv_skb+0x130/0x360 [ 820.517263][ T10] netlink_unicast+0x449/0x710 [ 820.517263][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.517263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.517263][ T10] ___sys_sendmsg+0xee/0x170 [ 820.517263][ T10] __sys_sendmsg+0xcd/0x170 [ 820.517263][ T10] do_syscall_64+0xc6/0x1e0 [ 820.517263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.517263][ T10] [ 820.519414][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 820.519414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 820.519414][ T10] ipv6_find_idev+0x102/0x170 [ 820.519414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.519414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.519414][ T10] netlink_rcv_skb+0x130/0x360 [ 820.519414][ T10] netlink_unicast+0x449/0x710 [ 820.519414][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.519414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.519414][ T10] ___sys_sendmsg+0xee/0x170 [ 820.519414][ T10] __sys_sendmsg+0xcd/0x170 [ 820.519414][ T10] do_syscall_64+0xc6/0x1e0 [ 820.519414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.519414][ T10] [ 820.521117][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 820.521117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 820.521117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 820.521117][ T10] ipv6_find_idev+0x102/0x170 [ 820.521117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 820.521117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 820.521117][ T10] netlink_rcv_skb+0x130/0x360 [ 820.521117][ T10] netlink_unicast+0x449/0x710 [ 820.521117][ T10] netlink_sendmsg+0x723/0xbe0 [ 820.521117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 820.521117][ T10] ___sys_sendmsg+0xee/0x170 [ 820.521117][ T10] __sys_sendmsg+0xcd/0x170 [ 820.521117][ T10] do_syscall_64+0xc6/0x1e0 [ 820.521117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 820.521117][ T10] [ 830.554928][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 830.555364][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 830.555364][ T10] netdev_get_by_index+0x5e/0x80 [ 830.555364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.555364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.555364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.555364][ T10] ipv6_add_addr+0x411/0x2000 [ 830.555364][ T10] inet6_addr_add+0x30e/0xa40 [ 830.555364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.555364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.555364][ T10] netlink_rcv_skb+0x130/0x360 [ 830.555364][ T10] netlink_unicast+0x449/0x710 [ 830.555364][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.555364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.555364][ T10] ___sys_sendmsg+0xee/0x170 [ 830.555364][ T10] __sys_sendmsg+0xcd/0x170 [ 830.555364][ T10] do_syscall_64+0xc6/0x1e0 [ 830.555364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.555364][ T10] [ 830.557526][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 830.557526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.557526][ T10] ipv6_find_idev+0x102/0x170 [ 830.557526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.557526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.557526][ T10] netlink_rcv_skb+0x130/0x360 [ 830.557526][ T10] netlink_unicast+0x449/0x710 [ 830.557526][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.557526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.557526][ T10] ___sys_sendmsg+0xee/0x170 [ 830.557526][ T10] __sys_sendmsg+0xcd/0x170 [ 830.557526][ T10] do_syscall_64+0xc6/0x1e0 [ 830.557526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.557526][ T10] [ 830.559152][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 830.559152][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.559152][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.559152][ T10] ipv6_find_idev+0x102/0x170 [ 830.559152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.559152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.559152][ T10] netlink_rcv_skb+0x130/0x360 [ 830.559152][ T10] netlink_unicast+0x449/0x710 [ 830.559152][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.559152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.559152][ T10] ___sys_sendmsg+0xee/0x170 [ 830.559152][ T10] __sys_sendmsg+0xcd/0x170 [ 830.559152][ T10] do_syscall_64+0xc6/0x1e0 [ 830.559152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.559152][ T10] [ 830.560967][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 830.561246][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 830.561246][ T10] netdev_get_by_index+0x5e/0x80 [ 830.561246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.561246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.561246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.561246][ T10] ipv6_add_addr+0x411/0x2000 [ 830.561246][ T10] inet6_addr_add+0x30e/0xa40 [ 830.561246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.561246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.561246][ T10] netlink_rcv_skb+0x130/0x360 [ 830.561246][ T10] netlink_unicast+0x449/0x710 [ 830.561246][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.561246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.561246][ T10] ___sys_sendmsg+0xee/0x170 [ 830.561246][ T10] __sys_sendmsg+0xcd/0x170 [ 830.561246][ T10] do_syscall_64+0xc6/0x1e0 [ 830.561246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.561246][ T10] [ 830.563313][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 830.563313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.563313][ T10] ipv6_find_idev+0x102/0x170 [ 830.563313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.563313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.563313][ T10] netlink_rcv_skb+0x130/0x360 [ 830.563313][ T10] netlink_unicast+0x449/0x710 [ 830.563313][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.563313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.563313][ T10] ___sys_sendmsg+0xee/0x170 [ 830.563313][ T10] __sys_sendmsg+0xcd/0x170 [ 830.563313][ T10] do_syscall_64+0xc6/0x1e0 [ 830.563313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.563313][ T10] [ 830.564824][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 830.564824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.564824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.564824][ T10] ipv6_find_idev+0x102/0x170 [ 830.564824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.564824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.564824][ T10] netlink_rcv_skb+0x130/0x360 [ 830.564824][ T10] netlink_unicast+0x449/0x710 [ 830.564824][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.564824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.564824][ T10] ___sys_sendmsg+0xee/0x170 [ 830.564824][ T10] __sys_sendmsg+0xcd/0x170 [ 830.564824][ T10] do_syscall_64+0xc6/0x1e0 [ 830.564824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.564824][ T10] [ 830.566484][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 830.566748][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 830.566748][ T10] netdev_get_by_index+0x5e/0x80 [ 830.566748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.566748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.566748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.566748][ T10] ipv6_add_addr+0x411/0x2000 [ 830.566748][ T10] inet6_addr_add+0x30e/0xa40 [ 830.566748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.566748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.566748][ T10] netlink_rcv_skb+0x130/0x360 [ 830.566748][ T10] netlink_unicast+0x449/0x710 [ 830.566748][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.566748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.566748][ T10] ___sys_sendmsg+0xee/0x170 [ 830.566748][ T10] __sys_sendmsg+0xcd/0x170 [ 830.566748][ T10] do_syscall_64+0xc6/0x1e0 [ 830.566748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.566748][ T10] [ 830.568699][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 830.568699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.568699][ T10] ipv6_find_idev+0x102/0x170 [ 830.568699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.568699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.568699][ T10] netlink_rcv_skb+0x130/0x360 [ 830.568699][ T10] netlink_unicast+0x449/0x710 [ 830.568699][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.568699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.568699][ T10] ___sys_sendmsg+0xee/0x170 [ 830.568699][ T10] __sys_sendmsg+0xcd/0x170 [ 830.568699][ T10] do_syscall_64+0xc6/0x1e0 [ 830.568699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.568699][ T10] [ 830.570320][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 830.570320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.570320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.570320][ T10] ipv6_find_idev+0x102/0x170 [ 830.570320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.570320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.570320][ T10] netlink_rcv_skb+0x130/0x360 [ 830.570320][ T10] netlink_unicast+0x449/0x710 [ 830.570320][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.570320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.570320][ T10] ___sys_sendmsg+0xee/0x170 [ 830.570320][ T10] __sys_sendmsg+0xcd/0x170 [ 830.570320][ T10] do_syscall_64+0xc6/0x1e0 [ 830.570320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.570320][ T10] [ 830.572144][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 830.572418][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 830.572418][ T10] netdev_get_by_index+0x5e/0x80 [ 830.572418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.572418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.572418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.572418][ T10] ipv6_add_addr+0x411/0x2000 [ 830.572418][ T10] inet6_addr_add+0x30e/0xa40 [ 830.572418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.572418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.572418][ T10] netlink_rcv_skb+0x130/0x360 [ 830.572418][ T10] netlink_unicast+0x449/0x710 [ 830.572418][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.572418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.572418][ T10] ___sys_sendmsg+0xee/0x170 [ 830.572418][ T10] __sys_sendmsg+0xcd/0x170 [ 830.572418][ T10] do_syscall_64+0xc6/0x1e0 [ 830.572418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.572418][ T10] [ 830.574513][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 830.574513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.574513][ T10] ipv6_find_idev+0x102/0x170 [ 830.574513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.574513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.574513][ T10] netlink_rcv_skb+0x130/0x360 [ 830.574513][ T10] netlink_unicast+0x449/0x710 [ 830.574513][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.574513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.574513][ T10] ___sys_sendmsg+0xee/0x170 [ 830.574513][ T10] __sys_sendmsg+0xcd/0x170 [ 830.574513][ T10] do_syscall_64+0xc6/0x1e0 [ 830.574513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.574513][ T10] [ 830.576057][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 830.576057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.576057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.576057][ T10] ipv6_find_idev+0x102/0x170 [ 830.576057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.576057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.576057][ T10] netlink_rcv_skb+0x130/0x360 [ 830.576057][ T10] netlink_unicast+0x449/0x710 [ 830.576057][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.576057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.576057][ T10] ___sys_sendmsg+0xee/0x170 [ 830.576057][ T10] __sys_sendmsg+0xcd/0x170 [ 830.576057][ T10] do_syscall_64+0xc6/0x1e0 [ 830.576057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.576057][ T10] [ 830.578166][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 830.578446][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 830.578446][ T10] netdev_get_by_index+0x5e/0x80 [ 830.578446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.578446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.578446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.578446][ T10] ipv6_add_addr+0x411/0x2000 [ 830.578446][ T10] inet6_addr_add+0x30e/0xa40 [ 830.578446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.578446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.578446][ T10] netlink_rcv_skb+0x130/0x360 [ 830.578446][ T10] netlink_unicast+0x449/0x710 [ 830.578446][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.578446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.578446][ T10] ___sys_sendmsg+0xee/0x170 [ 830.578446][ T10] __sys_sendmsg+0xcd/0x170 [ 830.578446][ T10] do_syscall_64+0xc6/0x1e0 [ 830.578446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.578446][ T10] [ 830.580429][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 830.580429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.580429][ T10] ipv6_find_idev+0x102/0x170 [ 830.580429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.580429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.580429][ T10] netlink_rcv_skb+0x130/0x360 [ 830.580429][ T10] netlink_unicast+0x449/0x710 [ 830.580429][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.580429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.580429][ T10] ___sys_sendmsg+0xee/0x170 [ 830.580429][ T10] __sys_sendmsg+0xcd/0x170 [ 830.580429][ T10] do_syscall_64+0xc6/0x1e0 [ 830.580429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.580429][ T10] [ 830.581939][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 830.581939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.581939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.581939][ T10] ipv6_find_idev+0x102/0x170 [ 830.581939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.581939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.581939][ T10] netlink_rcv_skb+0x130/0x360 [ 830.581939][ T10] netlink_unicast+0x449/0x710 [ 830.581939][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.581939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.581939][ T10] ___sys_sendmsg+0xee/0x170 [ 830.581939][ T10] __sys_sendmsg+0xcd/0x170 [ 830.581939][ T10] do_syscall_64+0xc6/0x1e0 [ 830.581939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.581939][ T10] [ 830.583635][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 830.583951][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 830.583951][ T10] netdev_get_by_index+0x5e/0x80 [ 830.583951][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.583951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.583951][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.583951][ T10] ipv6_add_addr+0x411/0x2000 [ 830.583951][ T10] inet6_addr_add+0x30e/0xa40 [ 830.583951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.583951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.583951][ T10] netlink_rcv_skb+0x130/0x360 [ 830.583951][ T10] netlink_unicast+0x449/0x710 [ 830.583951][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.583951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.583951][ T10] ___sys_sendmsg+0xee/0x170 [ 830.583951][ T10] __sys_sendmsg+0xcd/0x170 [ 830.583951][ T10] do_syscall_64+0xc6/0x1e0 [ 830.583951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.583951][ T10] [ 830.586108][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 830.586108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.586108][ T10] ipv6_find_idev+0x102/0x170 [ 830.586108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.586108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.586108][ T10] netlink_rcv_skb+0x130/0x360 [ 830.586108][ T10] netlink_unicast+0x449/0x710 [ 830.586108][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.586108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.586108][ T10] ___sys_sendmsg+0xee/0x170 [ 830.586108][ T10] __sys_sendmsg+0xcd/0x170 [ 830.586108][ T10] do_syscall_64+0xc6/0x1e0 [ 830.586108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.586108][ T10] [ 830.587980][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 830.587980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.587980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.587980][ T10] ipv6_find_idev+0x102/0x170 [ 830.587980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.587980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.587980][ T10] netlink_rcv_skb+0x130/0x360 [ 830.587980][ T10] netlink_unicast+0x449/0x710 [ 830.587980][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.587980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.587980][ T10] ___sys_sendmsg+0xee/0x170 [ 830.587980][ T10] __sys_sendmsg+0xcd/0x170 [ 830.587980][ T10] do_syscall_64+0xc6/0x1e0 [ 830.587980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.587980][ T10] [ 830.590002][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 830.590294][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 830.590294][ T10] netdev_get_by_index+0x5e/0x80 [ 830.590294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.590294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.590294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.590294][ T10] ipv6_add_addr+0x411/0x2000 [ 830.590294][ T10] inet6_addr_add+0x30e/0xa40 [ 830.590294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.590294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.590294][ T10] netlink_rcv_skb+0x130/0x360 [ 830.590294][ T10] netlink_unicast+0x449/0x710 [ 830.590294][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.590294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.590294][ T10] ___sys_sendmsg+0xee/0x170 [ 830.590294][ T10] __sys_sendmsg+0xcd/0x170 [ 830.590294][ T10] do_syscall_64+0xc6/0x1e0 [ 830.590294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.590294][ T10] [ 830.592572][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 830.592572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.592572][ T10] ipv6_find_idev+0x102/0x170 [ 830.592572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.592572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.592572][ T10] netlink_rcv_skb+0x130/0x360 [ 830.592572][ T10] netlink_unicast+0x449/0x710 [ 830.592572][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.592572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.592572][ T10] ___sys_sendmsg+0xee/0x170 [ 830.592572][ T10] __sys_sendmsg+0xcd/0x170 [ 830.592572][ T10] do_syscall_64+0xc6/0x1e0 [ 830.592572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.592572][ T10] [ 830.594376][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 830.594376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.594376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.594376][ T10] ipv6_find_idev+0x102/0x170 [ 830.594376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.594376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.594376][ T10] netlink_rcv_skb+0x130/0x360 [ 830.594376][ T10] netlink_unicast+0x449/0x710 [ 830.594376][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.594376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.594376][ T10] ___sys_sendmsg+0xee/0x170 [ 830.594376][ T10] __sys_sendmsg+0xcd/0x170 [ 830.594376][ T10] do_syscall_64+0xc6/0x1e0 [ 830.594376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.594376][ T10] [ 830.596381][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 830.596680][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 830.596680][ T10] netdev_get_by_index+0x5e/0x80 [ 830.596680][ T10] fib6_nh_init+0x3d8/0x15b0 [ 830.596680][ T10] ip6_route_info_create+0xf18/0x17d0 [ 830.596680][ T10] addrconf_f6i_alloc+0x244/0x410 [ 830.596680][ T10] ipv6_add_addr+0x411/0x2000 [ 830.596680][ T10] inet6_addr_add+0x30e/0xa40 [ 830.596680][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 830.596680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.596680][ T10] netlink_rcv_skb+0x130/0x360 [ 830.596680][ T10] netlink_unicast+0x449/0x710 [ 830.596680][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.596680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.596680][ T10] ___sys_sendmsg+0xee/0x170 [ 830.596680][ T10] __sys_sendmsg+0xcd/0x170 [ 830.596680][ T10] do_syscall_64+0xc6/0x1e0 [ 830.596680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.596680][ T10] [ 830.599045][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 830.599045][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 830.599045][ T10] ipv6_find_idev+0x102/0x170 [ 830.599045][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.599045][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.599045][ T10] netlink_rcv_skb+0x130/0x360 [ 830.599045][ T10] netlink_unicast+0x449/0x710 [ 830.599045][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.599045][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.599045][ T10] ___sys_sendmsg+0xee/0x170 [ 830.599045][ T10] __sys_sendmsg+0xcd/0x170 [ 830.599045][ T10] do_syscall_64+0xc6/0x1e0 [ 830.599045][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.599045][ T10] [ 830.600743][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 830.600743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 830.600743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 830.600743][ T10] ipv6_find_idev+0x102/0x170 [ 830.600743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 830.600743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 830.600743][ T10] netlink_rcv_skb+0x130/0x360 [ 830.600743][ T10] netlink_unicast+0x449/0x710 [ 830.600743][ T10] netlink_sendmsg+0x723/0xbe0 [ 830.600743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 830.600743][ T10] ___sys_sendmsg+0xee/0x170 [ 830.600743][ T10] __sys_sendmsg+0xcd/0x170 [ 830.600743][ T10] do_syscall_64+0xc6/0x1e0 [ 830.600743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 830.600743][ T10] [ 840.602972][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 840.603400][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 840.603400][ T10] netdev_get_by_index+0x5e/0x80 [ 840.603400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.603400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.603400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.603400][ T10] ipv6_add_addr+0x411/0x2000 [ 840.603400][ T10] inet6_addr_add+0x30e/0xa40 [ 840.603400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.603400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.603400][ T10] netlink_rcv_skb+0x130/0x360 [ 840.603400][ T10] netlink_unicast+0x449/0x710 [ 840.603400][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.603400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.603400][ T10] ___sys_sendmsg+0xee/0x170 [ 840.603400][ T10] __sys_sendmsg+0xcd/0x170 [ 840.603400][ T10] do_syscall_64+0xc6/0x1e0 [ 840.603400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.603400][ T10] [ 840.605509][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 840.605509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.605509][ T10] ipv6_find_idev+0x102/0x170 [ 840.605509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.605509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.605509][ T10] netlink_rcv_skb+0x130/0x360 [ 840.605509][ T10] netlink_unicast+0x449/0x710 [ 840.605509][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.605509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.605509][ T10] ___sys_sendmsg+0xee/0x170 [ 840.605509][ T10] __sys_sendmsg+0xcd/0x170 [ 840.605509][ T10] do_syscall_64+0xc6/0x1e0 [ 840.605509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.605509][ T10] [ 840.607047][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 840.607047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.607047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.607047][ T10] ipv6_find_idev+0x102/0x170 [ 840.607047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.607047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.607047][ T10] netlink_rcv_skb+0x130/0x360 [ 840.607047][ T10] netlink_unicast+0x449/0x710 [ 840.607047][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.607047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.607047][ T10] ___sys_sendmsg+0xee/0x170 [ 840.607047][ T10] __sys_sendmsg+0xcd/0x170 [ 840.607047][ T10] do_syscall_64+0xc6/0x1e0 [ 840.607047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.607047][ T10] [ 840.608747][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 840.609041][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 840.609041][ T10] netdev_get_by_index+0x5e/0x80 [ 840.609041][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.609041][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.609041][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.609041][ T10] ipv6_add_addr+0x411/0x2000 [ 840.609041][ T10] inet6_addr_add+0x30e/0xa40 [ 840.609041][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.609041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.609041][ T10] netlink_rcv_skb+0x130/0x360 [ 840.609041][ T10] netlink_unicast+0x449/0x710 [ 840.609041][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.609041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.609041][ T10] ___sys_sendmsg+0xee/0x170 [ 840.609041][ T10] __sys_sendmsg+0xcd/0x170 [ 840.609041][ T10] do_syscall_64+0xc6/0x1e0 [ 840.609041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.609041][ T10] [ 840.611061][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 840.611061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.611061][ T10] ipv6_find_idev+0x102/0x170 [ 840.611061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.611061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.611061][ T10] netlink_rcv_skb+0x130/0x360 [ 840.611061][ T10] netlink_unicast+0x449/0x710 [ 840.611061][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.611061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.611061][ T10] ___sys_sendmsg+0xee/0x170 [ 840.611061][ T10] __sys_sendmsg+0xcd/0x170 [ 840.611061][ T10] do_syscall_64+0xc6/0x1e0 [ 840.611061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.611061][ T10] [ 840.612680][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 840.612680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.612680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.612680][ T10] ipv6_find_idev+0x102/0x170 [ 840.612680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.612680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.612680][ T10] netlink_rcv_skb+0x130/0x360 [ 840.612680][ T10] netlink_unicast+0x449/0x710 [ 840.612680][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.612680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.612680][ T10] ___sys_sendmsg+0xee/0x170 [ 840.612680][ T10] __sys_sendmsg+0xcd/0x170 [ 840.612680][ T10] do_syscall_64+0xc6/0x1e0 [ 840.612680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.612680][ T10] [ 840.614369][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 840.614632][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 840.614632][ T10] netdev_get_by_index+0x5e/0x80 [ 840.614632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.614632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.614632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.614632][ T10] ipv6_add_addr+0x411/0x2000 [ 840.614632][ T10] inet6_addr_add+0x30e/0xa40 [ 840.614632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.614632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.614632][ T10] netlink_rcv_skb+0x130/0x360 [ 840.614632][ T10] netlink_unicast+0x449/0x710 [ 840.614632][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.614632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.614632][ T10] ___sys_sendmsg+0xee/0x170 [ 840.614632][ T10] __sys_sendmsg+0xcd/0x170 [ 840.614632][ T10] do_syscall_64+0xc6/0x1e0 [ 840.614632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.614632][ T10] [ 840.616646][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 840.616646][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.616646][ T10] ipv6_find_idev+0x102/0x170 [ 840.616646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.616646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.616646][ T10] netlink_rcv_skb+0x130/0x360 [ 840.616646][ T10] netlink_unicast+0x449/0x710 [ 840.616646][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.616646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.616646][ T10] ___sys_sendmsg+0xee/0x170 [ 840.616646][ T10] __sys_sendmsg+0xcd/0x170 [ 840.616646][ T10] do_syscall_64+0xc6/0x1e0 [ 840.616646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.616646][ T10] [ 840.618199][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 840.618199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.618199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.618199][ T10] ipv6_find_idev+0x102/0x170 [ 840.618199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.618199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.618199][ T10] netlink_rcv_skb+0x130/0x360 [ 840.618199][ T10] netlink_unicast+0x449/0x710 [ 840.618199][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.618199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.618199][ T10] ___sys_sendmsg+0xee/0x170 [ 840.618199][ T10] __sys_sendmsg+0xcd/0x170 [ 840.618199][ T10] do_syscall_64+0xc6/0x1e0 [ 840.618199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.618199][ T10] [ 840.619932][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 840.620213][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 840.620213][ T10] netdev_get_by_index+0x5e/0x80 [ 840.620213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.620213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.620213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.620213][ T10] ipv6_add_addr+0x411/0x2000 [ 840.620213][ T10] inet6_addr_add+0x30e/0xa40 [ 840.620213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.620213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.620213][ T10] netlink_rcv_skb+0x130/0x360 [ 840.620213][ T10] netlink_unicast+0x449/0x710 [ 840.620213][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.620213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.620213][ T10] ___sys_sendmsg+0xee/0x170 [ 840.620213][ T10] __sys_sendmsg+0xcd/0x170 [ 840.620213][ T10] do_syscall_64+0xc6/0x1e0 [ 840.620213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.620213][ T10] [ 840.622206][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 840.622206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.622206][ T10] ipv6_find_idev+0x102/0x170 [ 840.622206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.622206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.622206][ T10] netlink_rcv_skb+0x130/0x360 [ 840.622206][ T10] netlink_unicast+0x449/0x710 [ 840.622206][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.622206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.622206][ T10] ___sys_sendmsg+0xee/0x170 [ 840.622206][ T10] __sys_sendmsg+0xcd/0x170 [ 840.622206][ T10] do_syscall_64+0xc6/0x1e0 [ 840.622206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.622206][ T10] [ 840.623740][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 840.623740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.623740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.623740][ T10] ipv6_find_idev+0x102/0x170 [ 840.623740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.623740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.623740][ T10] netlink_rcv_skb+0x130/0x360 [ 840.623740][ T10] netlink_unicast+0x449/0x710 [ 840.623740][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.623740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.623740][ T10] ___sys_sendmsg+0xee/0x170 [ 840.623740][ T10] __sys_sendmsg+0xcd/0x170 [ 840.623740][ T10] do_syscall_64+0xc6/0x1e0 [ 840.623740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.623740][ T10] [ 840.625827][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 840.626152][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 840.626152][ T10] netdev_get_by_index+0x5e/0x80 [ 840.626152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.626152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.626152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.626152][ T10] ipv6_add_addr+0x411/0x2000 [ 840.626152][ T10] inet6_addr_add+0x30e/0xa40 [ 840.626152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.626152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.626152][ T10] netlink_rcv_skb+0x130/0x360 [ 840.626152][ T10] netlink_unicast+0x449/0x710 [ 840.626152][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.626152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.626152][ T10] ___sys_sendmsg+0xee/0x170 [ 840.626152][ T10] __sys_sendmsg+0xcd/0x170 [ 840.626152][ T10] do_syscall_64+0xc6/0x1e0 [ 840.626152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.626152][ T10] [ 840.628124][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 840.628124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.628124][ T10] ipv6_find_idev+0x102/0x170 [ 840.628124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.628124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.628124][ T10] netlink_rcv_skb+0x130/0x360 [ 840.628124][ T10] netlink_unicast+0x449/0x710 [ 840.628124][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.628124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.628124][ T10] ___sys_sendmsg+0xee/0x170 [ 840.628124][ T10] __sys_sendmsg+0xcd/0x170 [ 840.628124][ T10] do_syscall_64+0xc6/0x1e0 [ 840.628124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.628124][ T10] [ 840.629686][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 840.629686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.629686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.629686][ T10] ipv6_find_idev+0x102/0x170 [ 840.629686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.629686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.629686][ T10] netlink_rcv_skb+0x130/0x360 [ 840.629686][ T10] netlink_unicast+0x449/0x710 [ 840.629686][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.629686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.629686][ T10] ___sys_sendmsg+0xee/0x170 [ 840.629686][ T10] __sys_sendmsg+0xcd/0x170 [ 840.629686][ T10] do_syscall_64+0xc6/0x1e0 [ 840.629686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.629686][ T10] [ 840.631436][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 840.631756][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 840.631756][ T10] netdev_get_by_index+0x5e/0x80 [ 840.631756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.631756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.631756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.631756][ T10] ipv6_add_addr+0x411/0x2000 [ 840.631756][ T10] inet6_addr_add+0x30e/0xa40 [ 840.631756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.631756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.631756][ T10] netlink_rcv_skb+0x130/0x360 [ 840.631756][ T10] netlink_unicast+0x449/0x710 [ 840.631756][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.631756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.631756][ T10] ___sys_sendmsg+0xee/0x170 [ 840.631756][ T10] __sys_sendmsg+0xcd/0x170 [ 840.631756][ T10] do_syscall_64+0xc6/0x1e0 [ 840.631756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.631756][ T10] [ 840.633838][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 840.633838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.633838][ T10] ipv6_find_idev+0x102/0x170 [ 840.633838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.633838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.633838][ T10] netlink_rcv_skb+0x130/0x360 [ 840.633838][ T10] netlink_unicast+0x449/0x710 [ 840.633838][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.633838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.633838][ T10] ___sys_sendmsg+0xee/0x170 [ 840.633838][ T10] __sys_sendmsg+0xcd/0x170 [ 840.633838][ T10] do_syscall_64+0xc6/0x1e0 [ 840.633838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.633838][ T10] [ 840.635609][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 840.635609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.635609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.635609][ T10] ipv6_find_idev+0x102/0x170 [ 840.635609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.635609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.635609][ T10] netlink_rcv_skb+0x130/0x360 [ 840.635609][ T10] netlink_unicast+0x449/0x710 [ 840.635609][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.635609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.635609][ T10] ___sys_sendmsg+0xee/0x170 [ 840.635609][ T10] __sys_sendmsg+0xcd/0x170 [ 840.635609][ T10] do_syscall_64+0xc6/0x1e0 [ 840.635609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.635609][ T10] [ 840.637514][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 840.637837][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 840.637837][ T10] netdev_get_by_index+0x5e/0x80 [ 840.637837][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.637837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.637837][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.637837][ T10] ipv6_add_addr+0x411/0x2000 [ 840.637837][ T10] inet6_addr_add+0x30e/0xa40 [ 840.637837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.637837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.637837][ T10] netlink_rcv_skb+0x130/0x360 [ 840.637837][ T10] netlink_unicast+0x449/0x710 [ 840.637837][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.637837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.637837][ T10] ___sys_sendmsg+0xee/0x170 [ 840.637837][ T10] __sys_sendmsg+0xcd/0x170 [ 840.637837][ T10] do_syscall_64+0xc6/0x1e0 [ 840.637837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.637837][ T10] [ 840.640005][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 840.640005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.640005][ T10] ipv6_find_idev+0x102/0x170 [ 840.640005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.640005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.640005][ T10] netlink_rcv_skb+0x130/0x360 [ 840.640005][ T10] netlink_unicast+0x449/0x710 [ 840.640005][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.640005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.640005][ T10] ___sys_sendmsg+0xee/0x170 [ 840.640005][ T10] __sys_sendmsg+0xcd/0x170 [ 840.640005][ T10] do_syscall_64+0xc6/0x1e0 [ 840.640005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.640005][ T10] [ 840.641705][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 840.641705][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.641705][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.641705][ T10] ipv6_find_idev+0x102/0x170 [ 840.641705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.641705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.641705][ T10] netlink_rcv_skb+0x130/0x360 [ 840.641705][ T10] netlink_unicast+0x449/0x710 [ 840.641705][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.641705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.641705][ T10] ___sys_sendmsg+0xee/0x170 [ 840.641705][ T10] __sys_sendmsg+0xcd/0x170 [ 840.641705][ T10] do_syscall_64+0xc6/0x1e0 [ 840.641705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.641705][ T10] [ 840.643633][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 840.643952][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 840.643952][ T10] netdev_get_by_index+0x5e/0x80 [ 840.643952][ T10] fib6_nh_init+0x3d8/0x15b0 [ 840.643952][ T10] ip6_route_info_create+0xf18/0x17d0 [ 840.643952][ T10] addrconf_f6i_alloc+0x244/0x410 [ 840.643952][ T10] ipv6_add_addr+0x411/0x2000 [ 840.643952][ T10] inet6_addr_add+0x30e/0xa40 [ 840.643952][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 840.643952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.643952][ T10] netlink_rcv_skb+0x130/0x360 [ 840.643952][ T10] netlink_unicast+0x449/0x710 [ 840.643952][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.643952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.643952][ T10] ___sys_sendmsg+0xee/0x170 [ 840.643952][ T10] __sys_sendmsg+0xcd/0x170 [ 840.643952][ T10] do_syscall_64+0xc6/0x1e0 [ 840.643952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.643952][ T10] [ 840.646118][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 840.646118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 840.646118][ T10] ipv6_find_idev+0x102/0x170 [ 840.646118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.646118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.646118][ T10] netlink_rcv_skb+0x130/0x360 [ 840.646118][ T10] netlink_unicast+0x449/0x710 [ 840.646118][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.646118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.646118][ T10] ___sys_sendmsg+0xee/0x170 [ 840.646118][ T10] __sys_sendmsg+0xcd/0x170 [ 840.646118][ T10] do_syscall_64+0xc6/0x1e0 [ 840.646118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.646118][ T10] [ 840.647881][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 840.647881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 840.647881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 840.647881][ T10] ipv6_find_idev+0x102/0x170 [ 840.647881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 840.647881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 840.647881][ T10] netlink_rcv_skb+0x130/0x360 [ 840.647881][ T10] netlink_unicast+0x449/0x710 [ 840.647881][ T10] netlink_sendmsg+0x723/0xbe0 [ 840.647881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 840.647881][ T10] ___sys_sendmsg+0xee/0x170 [ 840.647881][ T10] __sys_sendmsg+0xcd/0x170 [ 840.647881][ T10] do_syscall_64+0xc6/0x1e0 [ 840.647881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 840.647881][ T10] [ 850.890939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 850.891407][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 850.891407][ T10] netdev_get_by_index+0x5e/0x80 [ 850.891407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.891407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.891407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.891407][ T10] ipv6_add_addr+0x411/0x2000 [ 850.891407][ T10] inet6_addr_add+0x30e/0xa40 [ 850.891407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.891407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.891407][ T10] netlink_rcv_skb+0x130/0x360 [ 850.891407][ T10] netlink_unicast+0x449/0x710 [ 850.891407][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.891407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.891407][ T10] ___sys_sendmsg+0xee/0x170 [ 850.891407][ T10] __sys_sendmsg+0xcd/0x170 [ 850.891407][ T10] do_syscall_64+0xc6/0x1e0 [ 850.891407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.891407][ T10] [ 850.893612][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 850.893612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.893612][ T10] ipv6_find_idev+0x102/0x170 [ 850.893612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.893612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.893612][ T10] netlink_rcv_skb+0x130/0x360 [ 850.893612][ T10] netlink_unicast+0x449/0x710 [ 850.893612][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.893612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.893612][ T10] ___sys_sendmsg+0xee/0x170 [ 850.893612][ T10] __sys_sendmsg+0xcd/0x170 [ 850.893612][ T10] do_syscall_64+0xc6/0x1e0 [ 850.893612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.893612][ T10] [ 850.895296][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 850.895296][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.895296][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.895296][ T10] ipv6_find_idev+0x102/0x170 [ 850.895296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.895296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.895296][ T10] netlink_rcv_skb+0x130/0x360 [ 850.895296][ T10] netlink_unicast+0x449/0x710 [ 850.895296][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.895296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.895296][ T10] ___sys_sendmsg+0xee/0x170 [ 850.895296][ T10] __sys_sendmsg+0xcd/0x170 [ 850.895296][ T10] do_syscall_64+0xc6/0x1e0 [ 850.895296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.895296][ T10] [ 850.897188][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 850.897489][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 850.897489][ T10] netdev_get_by_index+0x5e/0x80 [ 850.897489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.897489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.897489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.897489][ T10] ipv6_add_addr+0x411/0x2000 [ 850.897489][ T10] inet6_addr_add+0x30e/0xa40 [ 850.897489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.897489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.897489][ T10] netlink_rcv_skb+0x130/0x360 [ 850.897489][ T10] netlink_unicast+0x449/0x710 [ 850.897489][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.897489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.897489][ T10] ___sys_sendmsg+0xee/0x170 [ 850.897489][ T10] __sys_sendmsg+0xcd/0x170 [ 850.897489][ T10] do_syscall_64+0xc6/0x1e0 [ 850.897489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.897489][ T10] [ 850.899676][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 850.899676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.899676][ T10] ipv6_find_idev+0x102/0x170 [ 850.899676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.899676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.899676][ T10] netlink_rcv_skb+0x130/0x360 [ 850.899676][ T10] netlink_unicast+0x449/0x710 [ 850.899676][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.899676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.899676][ T10] ___sys_sendmsg+0xee/0x170 [ 850.899676][ T10] __sys_sendmsg+0xcd/0x170 [ 850.899676][ T10] do_syscall_64+0xc6/0x1e0 [ 850.899676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.899676][ T10] [ 850.901215][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 850.901215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.901215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.901215][ T10] ipv6_find_idev+0x102/0x170 [ 850.901215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.901215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.901215][ T10] netlink_rcv_skb+0x130/0x360 [ 850.901215][ T10] netlink_unicast+0x449/0x710 [ 850.901215][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.901215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.901215][ T10] ___sys_sendmsg+0xee/0x170 [ 850.901215][ T10] __sys_sendmsg+0xcd/0x170 [ 850.901215][ T10] do_syscall_64+0xc6/0x1e0 [ 850.901215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.901215][ T10] [ 850.902915][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 850.903181][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 850.903181][ T10] netdev_get_by_index+0x5e/0x80 [ 850.903181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.903181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.903181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.903181][ T10] ipv6_add_addr+0x411/0x2000 [ 850.903181][ T10] inet6_addr_add+0x30e/0xa40 [ 850.903181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.903181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.903181][ T10] netlink_rcv_skb+0x130/0x360 [ 850.903181][ T10] netlink_unicast+0x449/0x710 [ 850.903181][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.903181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.903181][ T10] ___sys_sendmsg+0xee/0x170 [ 850.903181][ T10] __sys_sendmsg+0xcd/0x170 [ 850.903181][ T10] do_syscall_64+0xc6/0x1e0 [ 850.903181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.903181][ T10] [ 850.905197][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 850.905197][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.905197][ T10] ipv6_find_idev+0x102/0x170 [ 850.905197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.905197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.905197][ T10] netlink_rcv_skb+0x130/0x360 [ 850.905197][ T10] netlink_unicast+0x449/0x710 [ 850.905197][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.905197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.905197][ T10] ___sys_sendmsg+0xee/0x170 [ 850.905197][ T10] __sys_sendmsg+0xcd/0x170 [ 850.905197][ T10] do_syscall_64+0xc6/0x1e0 [ 850.905197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.905197][ T10] [ 850.906790][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 850.906790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.906790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.906790][ T10] ipv6_find_idev+0x102/0x170 [ 850.906790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.906790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.906790][ T10] netlink_rcv_skb+0x130/0x360 [ 850.906790][ T10] netlink_unicast+0x449/0x710 [ 850.906790][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.906790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.906790][ T10] ___sys_sendmsg+0xee/0x170 [ 850.906790][ T10] __sys_sendmsg+0xcd/0x170 [ 850.906790][ T10] do_syscall_64+0xc6/0x1e0 [ 850.906790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.906790][ T10] [ 850.908486][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 850.908764][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 850.908764][ T10] netdev_get_by_index+0x5e/0x80 [ 850.908764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.908764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.908764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.908764][ T10] ipv6_add_addr+0x411/0x2000 [ 850.908764][ T10] inet6_addr_add+0x30e/0xa40 [ 850.908764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.908764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.908764][ T10] netlink_rcv_skb+0x130/0x360 [ 850.908764][ T10] netlink_unicast+0x449/0x710 [ 850.908764][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.908764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.908764][ T10] ___sys_sendmsg+0xee/0x170 [ 850.908764][ T10] __sys_sendmsg+0xcd/0x170 [ 850.908764][ T10] do_syscall_64+0xc6/0x1e0 [ 850.908764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.908764][ T10] [ 850.910764][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 850.910764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.910764][ T10] ipv6_find_idev+0x102/0x170 [ 850.910764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.910764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.910764][ T10] netlink_rcv_skb+0x130/0x360 [ 850.910764][ T10] netlink_unicast+0x449/0x710 [ 850.910764][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.910764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.910764][ T10] ___sys_sendmsg+0xee/0x170 [ 850.910764][ T10] __sys_sendmsg+0xcd/0x170 [ 850.910764][ T10] do_syscall_64+0xc6/0x1e0 [ 850.910764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.910764][ T10] [ 850.912294][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 850.912294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.912294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.912294][ T10] ipv6_find_idev+0x102/0x170 [ 850.912294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.912294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.912294][ T10] netlink_rcv_skb+0x130/0x360 [ 850.912294][ T10] netlink_unicast+0x449/0x710 [ 850.912294][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.912294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.912294][ T10] ___sys_sendmsg+0xee/0x170 [ 850.912294][ T10] __sys_sendmsg+0xcd/0x170 [ 850.912294][ T10] do_syscall_64+0xc6/0x1e0 [ 850.912294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.912294][ T10] [ 850.914381][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 850.914993][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 850.914993][ T10] netdev_get_by_index+0x5e/0x80 [ 850.914993][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.914993][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.914993][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.914993][ T10] ipv6_add_addr+0x411/0x2000 [ 850.914993][ T10] inet6_addr_add+0x30e/0xa40 [ 850.914993][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.914993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.914993][ T10] netlink_rcv_skb+0x130/0x360 [ 850.914993][ T10] netlink_unicast+0x449/0x710 [ 850.914993][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.914993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.914993][ T10] ___sys_sendmsg+0xee/0x170 [ 850.914993][ T10] __sys_sendmsg+0xcd/0x170 [ 850.914993][ T10] do_syscall_64+0xc6/0x1e0 [ 850.914993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.914993][ T10] [ 850.916981][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 850.916981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.916981][ T10] ipv6_find_idev+0x102/0x170 [ 850.916981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.916981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.916981][ T10] netlink_rcv_skb+0x130/0x360 [ 850.916981][ T10] netlink_unicast+0x449/0x710 [ 850.916981][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.916981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.916981][ T10] ___sys_sendmsg+0xee/0x170 [ 850.916981][ T10] __sys_sendmsg+0xcd/0x170 [ 850.916981][ T10] do_syscall_64+0xc6/0x1e0 [ 850.916981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.916981][ T10] [ 850.918510][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 850.918510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.918510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.918510][ T10] ipv6_find_idev+0x102/0x170 [ 850.918510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.918510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.918510][ T10] netlink_rcv_skb+0x130/0x360 [ 850.918510][ T10] netlink_unicast+0x449/0x710 [ 850.918510][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.918510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.918510][ T10] ___sys_sendmsg+0xee/0x170 [ 850.918510][ T10] __sys_sendmsg+0xcd/0x170 [ 850.918510][ T10] do_syscall_64+0xc6/0x1e0 [ 850.918510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.918510][ T10] [ 850.920326][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 850.920597][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 850.920597][ T10] netdev_get_by_index+0x5e/0x80 [ 850.920597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.920597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.920597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.920597][ T10] ipv6_add_addr+0x411/0x2000 [ 850.920597][ T10] inet6_addr_add+0x30e/0xa40 [ 850.920597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.920597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.920597][ T10] netlink_rcv_skb+0x130/0x360 [ 850.920597][ T10] netlink_unicast+0x449/0x710 [ 850.920597][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.920597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.920597][ T10] ___sys_sendmsg+0xee/0x170 [ 850.920597][ T10] __sys_sendmsg+0xcd/0x170 [ 850.920597][ T10] do_syscall_64+0xc6/0x1e0 [ 850.920597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.920597][ T10] [ 850.922617][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 850.922617][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.922617][ T10] ipv6_find_idev+0x102/0x170 [ 850.922617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.922617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.922617][ T10] netlink_rcv_skb+0x130/0x360 [ 850.922617][ T10] netlink_unicast+0x449/0x710 [ 850.922617][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.922617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.922617][ T10] ___sys_sendmsg+0xee/0x170 [ 850.922617][ T10] __sys_sendmsg+0xcd/0x170 [ 850.922617][ T10] do_syscall_64+0xc6/0x1e0 [ 850.922617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.922617][ T10] [ 850.924223][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 850.924223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.924223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.924223][ T10] ipv6_find_idev+0x102/0x170 [ 850.924223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.924223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.924223][ T10] netlink_rcv_skb+0x130/0x360 [ 850.924223][ T10] netlink_unicast+0x449/0x710 [ 850.924223][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.924223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.924223][ T10] ___sys_sendmsg+0xee/0x170 [ 850.924223][ T10] __sys_sendmsg+0xcd/0x170 [ 850.924223][ T10] do_syscall_64+0xc6/0x1e0 [ 850.924223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.924223][ T10] [ 850.926192][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 850.926510][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 850.926510][ T10] netdev_get_by_index+0x5e/0x80 [ 850.926510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.926510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.926510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.926510][ T10] ipv6_add_addr+0x411/0x2000 [ 850.926510][ T10] inet6_addr_add+0x30e/0xa40 [ 850.926510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.926510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.926510][ T10] netlink_rcv_skb+0x130/0x360 [ 850.926510][ T10] netlink_unicast+0x449/0x710 [ 850.926510][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.926510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.926510][ T10] ___sys_sendmsg+0xee/0x170 [ 850.926510][ T10] __sys_sendmsg+0xcd/0x170 [ 850.926510][ T10] do_syscall_64+0xc6/0x1e0 [ 850.926510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.926510][ T10] [ 850.928658][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 850.928658][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.928658][ T10] ipv6_find_idev+0x102/0x170 [ 850.928658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.928658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.928658][ T10] netlink_rcv_skb+0x130/0x360 [ 850.928658][ T10] netlink_unicast+0x449/0x710 [ 850.928658][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.928658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.928658][ T10] ___sys_sendmsg+0xee/0x170 [ 850.928658][ T10] __sys_sendmsg+0xcd/0x170 [ 850.928658][ T10] do_syscall_64+0xc6/0x1e0 [ 850.928658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.928658][ T10] [ 850.930382][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 850.930382][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.930382][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.930382][ T10] ipv6_find_idev+0x102/0x170 [ 850.930382][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.930382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.930382][ T10] netlink_rcv_skb+0x130/0x360 [ 850.930382][ T10] netlink_unicast+0x449/0x710 [ 850.930382][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.930382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.930382][ T10] ___sys_sendmsg+0xee/0x170 [ 850.930382][ T10] __sys_sendmsg+0xcd/0x170 [ 850.930382][ T10] do_syscall_64+0xc6/0x1e0 [ 850.930382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.930382][ T10] [ 850.932285][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 850.932593][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 850.932593][ T10] netdev_get_by_index+0x5e/0x80 [ 850.932593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 850.932593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 850.932593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 850.932593][ T10] ipv6_add_addr+0x411/0x2000 [ 850.932593][ T10] inet6_addr_add+0x30e/0xa40 [ 850.932593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 850.932593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.932593][ T10] netlink_rcv_skb+0x130/0x360 [ 850.932593][ T10] netlink_unicast+0x449/0x710 [ 850.932593][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.932593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.932593][ T10] ___sys_sendmsg+0xee/0x170 [ 850.932593][ T10] __sys_sendmsg+0xcd/0x170 [ 850.932593][ T10] do_syscall_64+0xc6/0x1e0 [ 850.932593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.932593][ T10] [ 850.934744][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 850.934744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 850.934744][ T10] ipv6_find_idev+0x102/0x170 [ 850.934744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.934744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.934744][ T10] netlink_rcv_skb+0x130/0x360 [ 850.934744][ T10] netlink_unicast+0x449/0x710 [ 850.934744][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.934744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.934744][ T10] ___sys_sendmsg+0xee/0x170 [ 850.934744][ T10] __sys_sendmsg+0xcd/0x170 [ 850.934744][ T10] do_syscall_64+0xc6/0x1e0 [ 850.934744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.934744][ T10] [ 850.936448][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 850.936448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 850.936448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 850.936448][ T10] ipv6_find_idev+0x102/0x170 [ 850.936448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 850.936448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 850.936448][ T10] netlink_rcv_skb+0x130/0x360 [ 850.936448][ T10] netlink_unicast+0x449/0x710 [ 850.936448][ T10] netlink_sendmsg+0x723/0xbe0 [ 850.936448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 850.936448][ T10] ___sys_sendmsg+0xee/0x170 [ 850.936448][ T10] __sys_sendmsg+0xcd/0x170 [ 850.936448][ T10] do_syscall_64+0xc6/0x1e0 [ 850.936448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 850.936448][ T10] [ 861.179023][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 861.179479][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 861.179479][ T10] netdev_get_by_index+0x5e/0x80 [ 861.179479][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.179479][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.179479][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.179479][ T10] ipv6_add_addr+0x411/0x2000 [ 861.179479][ T10] inet6_addr_add+0x30e/0xa40 [ 861.179479][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.179479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.179479][ T10] netlink_rcv_skb+0x130/0x360 [ 861.179479][ T10] netlink_unicast+0x449/0x710 [ 861.179479][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.179479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.179479][ T10] ___sys_sendmsg+0xee/0x170 [ 861.179479][ T10] __sys_sendmsg+0xcd/0x170 [ 861.179479][ T10] do_syscall_64+0xc6/0x1e0 [ 861.179479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.179479][ T10] [ 861.181485][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 861.181485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.181485][ T10] ipv6_find_idev+0x102/0x170 [ 861.181485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.181485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.181485][ T10] netlink_rcv_skb+0x130/0x360 [ 861.181485][ T10] netlink_unicast+0x449/0x710 [ 861.181485][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.181485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.181485][ T10] ___sys_sendmsg+0xee/0x170 [ 861.181485][ T10] __sys_sendmsg+0xcd/0x170 [ 861.181485][ T10] do_syscall_64+0xc6/0x1e0 [ 861.181485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.181485][ T10] [ 861.183018][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 861.183018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.183018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.183018][ T10] ipv6_find_idev+0x102/0x170 [ 861.183018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.183018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.183018][ T10] netlink_rcv_skb+0x130/0x360 [ 861.183018][ T10] netlink_unicast+0x449/0x710 [ 861.183018][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.183018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.183018][ T10] ___sys_sendmsg+0xee/0x170 [ 861.183018][ T10] __sys_sendmsg+0xcd/0x170 [ 861.183018][ T10] do_syscall_64+0xc6/0x1e0 [ 861.183018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.183018][ T10] [ 861.184738][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 861.185033][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 861.185033][ T10] netdev_get_by_index+0x5e/0x80 [ 861.185033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.185033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.185033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.185033][ T10] ipv6_add_addr+0x411/0x2000 [ 861.185033][ T10] inet6_addr_add+0x30e/0xa40 [ 861.185033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.185033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.185033][ T10] netlink_rcv_skb+0x130/0x360 [ 861.185033][ T10] netlink_unicast+0x449/0x710 [ 861.185033][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.185033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.185033][ T10] ___sys_sendmsg+0xee/0x170 [ 861.185033][ T10] __sys_sendmsg+0xcd/0x170 [ 861.185033][ T10] do_syscall_64+0xc6/0x1e0 [ 861.185033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.185033][ T10] [ 861.187061][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 861.187061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.187061][ T10] ipv6_find_idev+0x102/0x170 [ 861.187061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.187061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.187061][ T10] netlink_rcv_skb+0x130/0x360 [ 861.187061][ T10] netlink_unicast+0x449/0x710 [ 861.187061][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.187061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.187061][ T10] ___sys_sendmsg+0xee/0x170 [ 861.187061][ T10] __sys_sendmsg+0xcd/0x170 [ 861.187061][ T10] do_syscall_64+0xc6/0x1e0 [ 861.187061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.187061][ T10] [ 861.188603][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 861.188603][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.188603][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.188603][ T10] ipv6_find_idev+0x102/0x170 [ 861.188603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.188603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.188603][ T10] netlink_rcv_skb+0x130/0x360 [ 861.188603][ T10] netlink_unicast+0x449/0x710 [ 861.188603][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.188603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.188603][ T10] ___sys_sendmsg+0xee/0x170 [ 861.188603][ T10] __sys_sendmsg+0xcd/0x170 [ 861.188603][ T10] do_syscall_64+0xc6/0x1e0 [ 861.188603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.188603][ T10] [ 861.190302][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 861.190566][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 861.190566][ T10] netdev_get_by_index+0x5e/0x80 [ 861.190566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.190566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.190566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.190566][ T10] ipv6_add_addr+0x411/0x2000 [ 861.190566][ T10] inet6_addr_add+0x30e/0xa40 [ 861.190566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.190566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.190566][ T10] netlink_rcv_skb+0x130/0x360 [ 861.190566][ T10] netlink_unicast+0x449/0x710 [ 861.190566][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.190566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.190566][ T10] ___sys_sendmsg+0xee/0x170 [ 861.190566][ T10] __sys_sendmsg+0xcd/0x170 [ 861.190566][ T10] do_syscall_64+0xc6/0x1e0 [ 861.190566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.190566][ T10] [ 861.192563][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 861.192563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.192563][ T10] ipv6_find_idev+0x102/0x170 [ 861.192563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.192563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.192563][ T10] netlink_rcv_skb+0x130/0x360 [ 861.192563][ T10] netlink_unicast+0x449/0x710 [ 861.192563][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.192563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.192563][ T10] ___sys_sendmsg+0xee/0x170 [ 861.192563][ T10] __sys_sendmsg+0xcd/0x170 [ 861.192563][ T10] do_syscall_64+0xc6/0x1e0 [ 861.192563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.192563][ T10] [ 861.194143][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 861.194143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.194143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.194143][ T10] ipv6_find_idev+0x102/0x170 [ 861.194143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.194143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.194143][ T10] netlink_rcv_skb+0x130/0x360 [ 861.194143][ T10] netlink_unicast+0x449/0x710 [ 861.194143][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.194143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.194143][ T10] ___sys_sendmsg+0xee/0x170 [ 861.194143][ T10] __sys_sendmsg+0xcd/0x170 [ 861.194143][ T10] do_syscall_64+0xc6/0x1e0 [ 861.194143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.194143][ T10] [ 861.196245][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 861.196840][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 861.196840][ T10] netdev_get_by_index+0x5e/0x80 [ 861.196840][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.196840][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.196840][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.196840][ T10] ipv6_add_addr+0x411/0x2000 [ 861.196840][ T10] inet6_addr_add+0x30e/0xa40 [ 861.196840][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.196840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.196840][ T10] netlink_rcv_skb+0x130/0x360 [ 861.196840][ T10] netlink_unicast+0x449/0x710 [ 861.196840][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.196840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.196840][ T10] ___sys_sendmsg+0xee/0x170 [ 861.196840][ T10] __sys_sendmsg+0xcd/0x170 [ 861.196840][ T10] do_syscall_64+0xc6/0x1e0 [ 861.196840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.196840][ T10] [ 861.198815][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 861.198815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.198815][ T10] ipv6_find_idev+0x102/0x170 [ 861.198815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.198815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.198815][ T10] netlink_rcv_skb+0x130/0x360 [ 861.198815][ T10] netlink_unicast+0x449/0x710 [ 861.198815][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.198815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.198815][ T10] ___sys_sendmsg+0xee/0x170 [ 861.198815][ T10] __sys_sendmsg+0xcd/0x170 [ 861.198815][ T10] do_syscall_64+0xc6/0x1e0 [ 861.198815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.198815][ T10] [ 861.200353][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 861.200353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.200353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.200353][ T10] ipv6_find_idev+0x102/0x170 [ 861.200353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.200353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.200353][ T10] netlink_rcv_skb+0x130/0x360 [ 861.200353][ T10] netlink_unicast+0x449/0x710 [ 861.200353][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.200353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.200353][ T10] ___sys_sendmsg+0xee/0x170 [ 861.200353][ T10] __sys_sendmsg+0xcd/0x170 [ 861.200353][ T10] do_syscall_64+0xc6/0x1e0 [ 861.200353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.200353][ T10] [ 861.202045][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 861.202311][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 861.202311][ T10] netdev_get_by_index+0x5e/0x80 [ 861.202311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.202311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.202311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.202311][ T10] ipv6_add_addr+0x411/0x2000 [ 861.202311][ T10] inet6_addr_add+0x30e/0xa40 [ 861.202311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.202311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.202311][ T10] netlink_rcv_skb+0x130/0x360 [ 861.202311][ T10] netlink_unicast+0x449/0x710 [ 861.202311][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.202311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.202311][ T10] ___sys_sendmsg+0xee/0x170 [ 861.202311][ T10] __sys_sendmsg+0xcd/0x170 [ 861.202311][ T10] do_syscall_64+0xc6/0x1e0 [ 861.202311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.202311][ T10] [ 861.204297][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 861.204297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.204297][ T10] ipv6_find_idev+0x102/0x170 [ 861.204297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.204297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.204297][ T10] netlink_rcv_skb+0x130/0x360 [ 861.204297][ T10] netlink_unicast+0x449/0x710 [ 861.204297][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.204297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.204297][ T10] ___sys_sendmsg+0xee/0x170 [ 861.204297][ T10] __sys_sendmsg+0xcd/0x170 [ 861.204297][ T10] do_syscall_64+0xc6/0x1e0 [ 861.204297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.204297][ T10] [ 861.205826][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 861.205826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.205826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.205826][ T10] ipv6_find_idev+0x102/0x170 [ 861.205826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.205826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.205826][ T10] netlink_rcv_skb+0x130/0x360 [ 861.205826][ T10] netlink_unicast+0x449/0x710 [ 861.205826][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.205826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.205826][ T10] ___sys_sendmsg+0xee/0x170 [ 861.205826][ T10] __sys_sendmsg+0xcd/0x170 [ 861.205826][ T10] do_syscall_64+0xc6/0x1e0 [ 861.205826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.205826][ T10] [ 861.207561][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 861.207875][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 861.207875][ T10] netdev_get_by_index+0x5e/0x80 [ 861.207875][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.207875][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.207875][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.207875][ T10] ipv6_add_addr+0x411/0x2000 [ 861.207875][ T10] inet6_addr_add+0x30e/0xa40 [ 861.207875][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.207875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.207875][ T10] netlink_rcv_skb+0x130/0x360 [ 861.207875][ T10] netlink_unicast+0x449/0x710 [ 861.207875][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.207875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.207875][ T10] ___sys_sendmsg+0xee/0x170 [ 861.207875][ T10] __sys_sendmsg+0xcd/0x170 [ 861.207875][ T10] do_syscall_64+0xc6/0x1e0 [ 861.207875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.207875][ T10] [ 861.209863][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 861.209863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.209863][ T10] ipv6_find_idev+0x102/0x170 [ 861.209863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.209863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.209863][ T10] netlink_rcv_skb+0x130/0x360 [ 861.209863][ T10] netlink_unicast+0x449/0x710 [ 861.209863][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.209863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.209863][ T10] ___sys_sendmsg+0xee/0x170 [ 861.209863][ T10] __sys_sendmsg+0xcd/0x170 [ 861.209863][ T10] do_syscall_64+0xc6/0x1e0 [ 861.209863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.209863][ T10] [ 861.211391][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 861.211391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.211391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.211391][ T10] ipv6_find_idev+0x102/0x170 [ 861.211391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.211391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.211391][ T10] netlink_rcv_skb+0x130/0x360 [ 861.211391][ T10] netlink_unicast+0x449/0x710 [ 861.211391][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.211391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.211391][ T10] ___sys_sendmsg+0xee/0x170 [ 861.211391][ T10] __sys_sendmsg+0xcd/0x170 [ 861.211391][ T10] do_syscall_64+0xc6/0x1e0 [ 861.211391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.211391][ T10] [ 861.213295][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 861.213619][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 861.213619][ T10] netdev_get_by_index+0x5e/0x80 [ 861.213619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.213619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.213619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.213619][ T10] ipv6_add_addr+0x411/0x2000 [ 861.213619][ T10] inet6_addr_add+0x30e/0xa40 [ 861.213619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.213619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.213619][ T10] netlink_rcv_skb+0x130/0x360 [ 861.213619][ T10] netlink_unicast+0x449/0x710 [ 861.213619][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.213619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.213619][ T10] ___sys_sendmsg+0xee/0x170 [ 861.213619][ T10] __sys_sendmsg+0xcd/0x170 [ 861.213619][ T10] do_syscall_64+0xc6/0x1e0 [ 861.213619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.213619][ T10] [ 861.215797][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 861.215797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.215797][ T10] ipv6_find_idev+0x102/0x170 [ 861.215797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.215797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.215797][ T10] netlink_rcv_skb+0x130/0x360 [ 861.215797][ T10] netlink_unicast+0x449/0x710 [ 861.215797][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.215797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.215797][ T10] ___sys_sendmsg+0xee/0x170 [ 861.215797][ T10] __sys_sendmsg+0xcd/0x170 [ 861.215797][ T10] do_syscall_64+0xc6/0x1e0 [ 861.215797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.215797][ T10] [ 861.217588][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 861.217588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.217588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.217588][ T10] ipv6_find_idev+0x102/0x170 [ 861.217588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.217588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.217588][ T10] netlink_rcv_skb+0x130/0x360 [ 861.217588][ T10] netlink_unicast+0x449/0x710 [ 861.217588][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.217588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.217588][ T10] ___sys_sendmsg+0xee/0x170 [ 861.217588][ T10] __sys_sendmsg+0xcd/0x170 [ 861.217588][ T10] do_syscall_64+0xc6/0x1e0 [ 861.217588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.217588][ T10] [ 861.219494][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 861.219806][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 861.219806][ T10] netdev_get_by_index+0x5e/0x80 [ 861.219806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 861.219806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 861.219806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 861.219806][ T10] ipv6_add_addr+0x411/0x2000 [ 861.219806][ T10] inet6_addr_add+0x30e/0xa40 [ 861.219806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 861.219806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.219806][ T10] netlink_rcv_skb+0x130/0x360 [ 861.219806][ T10] netlink_unicast+0x449/0x710 [ 861.219806][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.219806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.219806][ T10] ___sys_sendmsg+0xee/0x170 [ 861.219806][ T10] __sys_sendmsg+0xcd/0x170 [ 861.219806][ T10] do_syscall_64+0xc6/0x1e0 [ 861.219806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.219806][ T10] [ 861.221955][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 861.221955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 861.221955][ T10] ipv6_find_idev+0x102/0x170 [ 861.221955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.221955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.221955][ T10] netlink_rcv_skb+0x130/0x360 [ 861.221955][ T10] netlink_unicast+0x449/0x710 [ 861.221955][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.221955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.221955][ T10] ___sys_sendmsg+0xee/0x170 [ 861.221955][ T10] __sys_sendmsg+0xcd/0x170 [ 861.221955][ T10] do_syscall_64+0xc6/0x1e0 [ 861.221955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.221955][ T10] [ 861.223658][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 861.223658][ T10] neigh_parms_alloc+0x1e5/0x510 [ 861.223658][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 861.223658][ T10] ipv6_find_idev+0x102/0x170 [ 861.223658][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 861.223658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 861.223658][ T10] netlink_rcv_skb+0x130/0x360 [ 861.223658][ T10] netlink_unicast+0x449/0x710 [ 861.223658][ T10] netlink_sendmsg+0x723/0xbe0 [ 861.223658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 861.223658][ T10] ___sys_sendmsg+0xee/0x170 [ 861.223658][ T10] __sys_sendmsg+0xcd/0x170 [ 861.223658][ T10] do_syscall_64+0xc6/0x1e0 [ 861.223658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.223658][ T10] [ 861.482976][ T42] INFO: task modprobe:1062 blocked for more than 614 seconds. [ 861.483270][ T42] Not tainted 6.8.0-virtme #1 [ 861.483401][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 861.483632][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 861.483948][ T42] Call Trace: [ 861.484053][ T42] [ 861.484135][ T42] __schedule+0x705/0x1ac0 [ 861.484354][ T42] ? __pfx___schedule+0x10/0x10 [ 861.484563][ T42] ? schedule+0x1a5/0x210 [ 861.484725][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.484960][ T42] ? mark_lock+0x38/0x3e0 [ 861.485117][ T42] ? do_raw_spin_lock+0x131/0x270 [ 861.485337][ T42] ? schedule+0x1a5/0x210 [ 861.485505][ T42] schedule+0xdf/0x210 [ 861.485666][ T42] schedule_preempt_disabled+0x15/0x30 [ 861.485895][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 861.486114][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 861.486371][ T42] ? kasan_save_stack+0x34/0x50 [ 861.486583][ T42] ? kasan_save_stack+0x24/0x50 [ 861.486797][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 861.487039][ T42] ? lock_acquire+0x1c1/0x220 [ 861.487254][ T42] ? register_pernet_subsys+0x1a/0x50 [ 861.487477][ T42] down_write+0x1c9/0x200 [ 861.487639][ T42] ? __pfx_down_write+0x10/0x10 [ 861.488030][ T42] ? __pfx___lock_release+0x10/0x10 [ 861.488248][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 861.488560][ T42] register_pernet_subsys+0x1a/0x50 [ 861.488712][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 861.488913][ T42] do_one_initcall+0xc8/0x3f0 [ 861.489043][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 861.489192][ T42] ? __create_object+0x5e/0xb0 [ 861.489325][ T42] ? kasan_unpoison+0x27/0x60 [ 861.489456][ T42] do_init_module+0x233/0x740 [ 861.489636][ T42] load_module+0x16b5/0x2350 [ 861.489774][ T42] ? __pfx_load_module+0x10/0x10 [ 861.489913][ T42] ? kernel_read_file+0x3d2/0x520 [ 861.490048][ T42] ? kernel_read_file+0x300/0x520 [ 861.490185][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 861.490318][ T42] ? init_module_from_file+0xd2/0x130 [ 861.490441][ T42] init_module_from_file+0xd2/0x130 [ 861.490577][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 861.490731][ T42] ? __lock_release+0x103/0x460 [ 861.490868][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.491007][ T42] ? idempotent_init_module+0x32a/0x620 [ 861.491134][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 861.491264][ T42] idempotent_init_module+0x342/0x620 [ 861.491391][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 861.491575][ T42] __x64_sys_finit_module+0xbe/0x130 [ 861.491709][ T42] do_syscall_64+0xc6/0x1e0 [ 861.491870][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 861.492033][ T42] RIP: 0033:0x7f81e06dce5d [ 861.492161][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 861.492353][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 861.492548][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 861.492735][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 861.492931][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 861.493114][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 861.493314][ T42] [ 861.493415][ T42] [ 861.493415][ T42] Showing all locks held in the system: [ 861.493602][ T42] 4 locks held by kworker/u16:0/10: [ 861.493724][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.493988][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.494213][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 861.494433][ T42] #3: ffffffffb477d980 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4e/0x6e0 [ 861.494667][ T42] 1 lock held by khungtaskd/42: [ 861.494787][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 861.495023][ T42] 2 locks held by kworker/u20:1/62: [ 861.495144][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 861.495388][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 861.495680][ T42] 1 lock held by modprobe/1062: [ 861.495801][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 861.496071][ T42] [ 861.496134][ T42] ============================================= [ 861.496134][ T42] [ 871.227010][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 871.227435][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 871.227435][ T10] netdev_get_by_index+0x5e/0x80 [ 871.227435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.227435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.227435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.227435][ T10] ipv6_add_addr+0x411/0x2000 [ 871.227435][ T10] inet6_addr_add+0x30e/0xa40 [ 871.227435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.227435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.227435][ T10] netlink_rcv_skb+0x130/0x360 [ 871.227435][ T10] netlink_unicast+0x449/0x710 [ 871.227435][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.227435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.227435][ T10] ___sys_sendmsg+0xee/0x170 [ 871.227435][ T10] __sys_sendmsg+0xcd/0x170 [ 871.227435][ T10] do_syscall_64+0xc6/0x1e0 [ 871.227435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.227435][ T10] [ 871.229449][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 871.229449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.229449][ T10] ipv6_find_idev+0x102/0x170 [ 871.229449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.229449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.229449][ T10] netlink_rcv_skb+0x130/0x360 [ 871.229449][ T10] netlink_unicast+0x449/0x710 [ 871.229449][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.229449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.229449][ T10] ___sys_sendmsg+0xee/0x170 [ 871.229449][ T10] __sys_sendmsg+0xcd/0x170 [ 871.229449][ T10] do_syscall_64+0xc6/0x1e0 [ 871.229449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.229449][ T10] [ 871.230982][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 871.230982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.230982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.230982][ T10] ipv6_find_idev+0x102/0x170 [ 871.230982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.230982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.230982][ T10] netlink_rcv_skb+0x130/0x360 [ 871.230982][ T10] netlink_unicast+0x449/0x710 [ 871.230982][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.230982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.230982][ T10] ___sys_sendmsg+0xee/0x170 [ 871.230982][ T10] __sys_sendmsg+0xcd/0x170 [ 871.230982][ T10] do_syscall_64+0xc6/0x1e0 [ 871.230982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.230982][ T10] [ 871.232673][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 871.232961][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 871.232961][ T10] netdev_get_by_index+0x5e/0x80 [ 871.232961][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.232961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.232961][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.232961][ T10] ipv6_add_addr+0x411/0x2000 [ 871.232961][ T10] inet6_addr_add+0x30e/0xa40 [ 871.232961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.232961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.232961][ T10] netlink_rcv_skb+0x130/0x360 [ 871.232961][ T10] netlink_unicast+0x449/0x710 [ 871.232961][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.232961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.232961][ T10] ___sys_sendmsg+0xee/0x170 [ 871.232961][ T10] __sys_sendmsg+0xcd/0x170 [ 871.232961][ T10] do_syscall_64+0xc6/0x1e0 [ 871.232961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.232961][ T10] [ 871.234947][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 871.234947][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.234947][ T10] ipv6_find_idev+0x102/0x170 [ 871.234947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.234947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.234947][ T10] netlink_rcv_skb+0x130/0x360 [ 871.234947][ T10] netlink_unicast+0x449/0x710 [ 871.234947][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.234947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.234947][ T10] ___sys_sendmsg+0xee/0x170 [ 871.234947][ T10] __sys_sendmsg+0xcd/0x170 [ 871.234947][ T10] do_syscall_64+0xc6/0x1e0 [ 871.234947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.234947][ T10] [ 871.236475][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 871.236475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.236475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.236475][ T10] ipv6_find_idev+0x102/0x170 [ 871.236475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.236475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.236475][ T10] netlink_rcv_skb+0x130/0x360 [ 871.236475][ T10] netlink_unicast+0x449/0x710 [ 871.236475][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.236475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.236475][ T10] ___sys_sendmsg+0xee/0x170 [ 871.236475][ T10] __sys_sendmsg+0xcd/0x170 [ 871.236475][ T10] do_syscall_64+0xc6/0x1e0 [ 871.236475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.236475][ T10] [ 871.238154][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 871.238429][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 871.238429][ T10] netdev_get_by_index+0x5e/0x80 [ 871.238429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.238429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.238429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.238429][ T10] ipv6_add_addr+0x411/0x2000 [ 871.238429][ T10] inet6_addr_add+0x30e/0xa40 [ 871.238429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.238429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.238429][ T10] netlink_rcv_skb+0x130/0x360 [ 871.238429][ T10] netlink_unicast+0x449/0x710 [ 871.238429][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.238429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.238429][ T10] ___sys_sendmsg+0xee/0x170 [ 871.238429][ T10] __sys_sendmsg+0xcd/0x170 [ 871.238429][ T10] do_syscall_64+0xc6/0x1e0 [ 871.238429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.238429][ T10] [ 871.240453][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 871.240453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.240453][ T10] ipv6_find_idev+0x102/0x170 [ 871.240453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.240453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.240453][ T10] netlink_rcv_skb+0x130/0x360 [ 871.240453][ T10] netlink_unicast+0x449/0x710 [ 871.240453][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.240453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.240453][ T10] ___sys_sendmsg+0xee/0x170 [ 871.240453][ T10] __sys_sendmsg+0xcd/0x170 [ 871.240453][ T10] do_syscall_64+0xc6/0x1e0 [ 871.240453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.240453][ T10] [ 871.241987][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 871.241987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.241987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.241987][ T10] ipv6_find_idev+0x102/0x170 [ 871.241987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.241987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.241987][ T10] netlink_rcv_skb+0x130/0x360 [ 871.241987][ T10] netlink_unicast+0x449/0x710 [ 871.241987][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.241987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.241987][ T10] ___sys_sendmsg+0xee/0x170 [ 871.241987][ T10] __sys_sendmsg+0xcd/0x170 [ 871.241987][ T10] do_syscall_64+0xc6/0x1e0 [ 871.241987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.241987][ T10] [ 871.243686][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 871.244395][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 871.244395][ T10] netdev_get_by_index+0x5e/0x80 [ 871.244395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.244395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.244395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.244395][ T10] ipv6_add_addr+0x411/0x2000 [ 871.244395][ T10] inet6_addr_add+0x30e/0xa40 [ 871.244395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.244395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.244395][ T10] netlink_rcv_skb+0x130/0x360 [ 871.244395][ T10] netlink_unicast+0x449/0x710 [ 871.244395][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.244395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.244395][ T10] ___sys_sendmsg+0xee/0x170 [ 871.244395][ T10] __sys_sendmsg+0xcd/0x170 [ 871.244395][ T10] do_syscall_64+0xc6/0x1e0 [ 871.244395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.244395][ T10] [ 871.246370][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 871.246370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.246370][ T10] ipv6_find_idev+0x102/0x170 [ 871.246370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.246370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.246370][ T10] netlink_rcv_skb+0x130/0x360 [ 871.246370][ T10] netlink_unicast+0x449/0x710 [ 871.246370][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.246370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.246370][ T10] ___sys_sendmsg+0xee/0x170 [ 871.246370][ T10] __sys_sendmsg+0xcd/0x170 [ 871.246370][ T10] do_syscall_64+0xc6/0x1e0 [ 871.246370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.246370][ T10] [ 871.247916][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 871.247916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.247916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.247916][ T10] ipv6_find_idev+0x102/0x170 [ 871.247916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.247916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.247916][ T10] netlink_rcv_skb+0x130/0x360 [ 871.247916][ T10] netlink_unicast+0x449/0x710 [ 871.247916][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.247916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.247916][ T10] ___sys_sendmsg+0xee/0x170 [ 871.247916][ T10] __sys_sendmsg+0xcd/0x170 [ 871.247916][ T10] do_syscall_64+0xc6/0x1e0 [ 871.247916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.247916][ T10] [ 871.249647][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 871.249961][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 871.249961][ T10] netdev_get_by_index+0x5e/0x80 [ 871.249961][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.249961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.249961][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.249961][ T10] ipv6_add_addr+0x411/0x2000 [ 871.249961][ T10] inet6_addr_add+0x30e/0xa40 [ 871.249961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.249961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.249961][ T10] netlink_rcv_skb+0x130/0x360 [ 871.249961][ T10] netlink_unicast+0x449/0x710 [ 871.249961][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.249961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.249961][ T10] ___sys_sendmsg+0xee/0x170 [ 871.249961][ T10] __sys_sendmsg+0xcd/0x170 [ 871.249961][ T10] do_syscall_64+0xc6/0x1e0 [ 871.249961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.249961][ T10] [ 871.251972][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 871.251972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.251972][ T10] ipv6_find_idev+0x102/0x170 [ 871.251972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.251972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.251972][ T10] netlink_rcv_skb+0x130/0x360 [ 871.251972][ T10] netlink_unicast+0x449/0x710 [ 871.251972][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.251972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.251972][ T10] ___sys_sendmsg+0xee/0x170 [ 871.251972][ T10] __sys_sendmsg+0xcd/0x170 [ 871.251972][ T10] do_syscall_64+0xc6/0x1e0 [ 871.251972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.251972][ T10] [ 871.253501][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 871.253501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.253501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.253501][ T10] ipv6_find_idev+0x102/0x170 [ 871.253501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.253501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.253501][ T10] netlink_rcv_skb+0x130/0x360 [ 871.253501][ T10] netlink_unicast+0x449/0x710 [ 871.253501][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.253501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.253501][ T10] ___sys_sendmsg+0xee/0x170 [ 871.253501][ T10] __sys_sendmsg+0xcd/0x170 [ 871.253501][ T10] do_syscall_64+0xc6/0x1e0 [ 871.253501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.253501][ T10] [ 871.255208][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 871.255468][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 871.255468][ T10] netdev_get_by_index+0x5e/0x80 [ 871.255468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.255468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.255468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.255468][ T10] ipv6_add_addr+0x411/0x2000 [ 871.255468][ T10] inet6_addr_add+0x30e/0xa40 [ 871.255468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.255468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.255468][ T10] netlink_rcv_skb+0x130/0x360 [ 871.255468][ T10] netlink_unicast+0x449/0x710 [ 871.255468][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.255468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.255468][ T10] ___sys_sendmsg+0xee/0x170 [ 871.255468][ T10] __sys_sendmsg+0xcd/0x170 [ 871.255468][ T10] do_syscall_64+0xc6/0x1e0 [ 871.255468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.255468][ T10] [ 871.257530][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 871.257530][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.257530][ T10] ipv6_find_idev+0x102/0x170 [ 871.257530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.257530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.257530][ T10] netlink_rcv_skb+0x130/0x360 [ 871.257530][ T10] netlink_unicast+0x449/0x710 [ 871.257530][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.257530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.257530][ T10] ___sys_sendmsg+0xee/0x170 [ 871.257530][ T10] __sys_sendmsg+0xcd/0x170 [ 871.257530][ T10] do_syscall_64+0xc6/0x1e0 [ 871.257530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.257530][ T10] [ 871.259238][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 871.259238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.259238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.259238][ T10] ipv6_find_idev+0x102/0x170 [ 871.259238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.259238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.259238][ T10] netlink_rcv_skb+0x130/0x360 [ 871.259238][ T10] netlink_unicast+0x449/0x710 [ 871.259238][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.259238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.259238][ T10] ___sys_sendmsg+0xee/0x170 [ 871.259238][ T10] __sys_sendmsg+0xcd/0x170 [ 871.259238][ T10] do_syscall_64+0xc6/0x1e0 [ 871.259238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.259238][ T10] [ 871.261217][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 871.261478][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 871.261478][ T10] netdev_get_by_index+0x5e/0x80 [ 871.261478][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.261478][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.261478][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.261478][ T10] ipv6_add_addr+0x411/0x2000 [ 871.261478][ T10] inet6_addr_add+0x30e/0xa40 [ 871.261478][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.261478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.261478][ T10] netlink_rcv_skb+0x130/0x360 [ 871.261478][ T10] netlink_unicast+0x449/0x710 [ 871.261478][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.261478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.261478][ T10] ___sys_sendmsg+0xee/0x170 [ 871.261478][ T10] __sys_sendmsg+0xcd/0x170 [ 871.261478][ T10] do_syscall_64+0xc6/0x1e0 [ 871.261478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.261478][ T10] [ 871.263660][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 871.263660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.263660][ T10] ipv6_find_idev+0x102/0x170 [ 871.263660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.263660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.263660][ T10] netlink_rcv_skb+0x130/0x360 [ 871.263660][ T10] netlink_unicast+0x449/0x710 [ 871.263660][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.263660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.263660][ T10] ___sys_sendmsg+0xee/0x170 [ 871.263660][ T10] __sys_sendmsg+0xcd/0x170 [ 871.263660][ T10] do_syscall_64+0xc6/0x1e0 [ 871.263660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.263660][ T10] [ 871.265427][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 871.265427][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.265427][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.265427][ T10] ipv6_find_idev+0x102/0x170 [ 871.265427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.265427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.265427][ T10] netlink_rcv_skb+0x130/0x360 [ 871.265427][ T10] netlink_unicast+0x449/0x710 [ 871.265427][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.265427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.265427][ T10] ___sys_sendmsg+0xee/0x170 [ 871.265427][ T10] __sys_sendmsg+0xcd/0x170 [ 871.265427][ T10] do_syscall_64+0xc6/0x1e0 [ 871.265427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.265427][ T10] [ 871.267376][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 871.267660][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 871.267660][ T10] netdev_get_by_index+0x5e/0x80 [ 871.267660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 871.267660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 871.267660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 871.267660][ T10] ipv6_add_addr+0x411/0x2000 [ 871.267660][ T10] inet6_addr_add+0x30e/0xa40 [ 871.267660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 871.267660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.267660][ T10] netlink_rcv_skb+0x130/0x360 [ 871.267660][ T10] netlink_unicast+0x449/0x710 [ 871.267660][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.267660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.267660][ T10] ___sys_sendmsg+0xee/0x170 [ 871.267660][ T10] __sys_sendmsg+0xcd/0x170 [ 871.267660][ T10] do_syscall_64+0xc6/0x1e0 [ 871.267660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.267660][ T10] [ 871.269828][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 871.269828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 871.269828][ T10] ipv6_find_idev+0x102/0x170 [ 871.269828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.269828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.269828][ T10] netlink_rcv_skb+0x130/0x360 [ 871.269828][ T10] netlink_unicast+0x449/0x710 [ 871.269828][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.269828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.269828][ T10] ___sys_sendmsg+0xee/0x170 [ 871.269828][ T10] __sys_sendmsg+0xcd/0x170 [ 871.269828][ T10] do_syscall_64+0xc6/0x1e0 [ 871.269828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.269828][ T10] [ 871.271529][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 871.271529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 871.271529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 871.271529][ T10] ipv6_find_idev+0x102/0x170 [ 871.271529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 871.271529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 871.271529][ T10] netlink_rcv_skb+0x130/0x360 [ 871.271529][ T10] netlink_unicast+0x449/0x710 [ 871.271529][ T10] netlink_sendmsg+0x723/0xbe0 [ 871.271529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 871.271529][ T10] ___sys_sendmsg+0xee/0x170 [ 871.271529][ T10] __sys_sendmsg+0xcd/0x170 [ 871.271529][ T10] do_syscall_64+0xc6/0x1e0 [ 871.271529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 871.271529][ T10] [ 881.514990][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 881.515473][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 881.515473][ T10] netdev_get_by_index+0x5e/0x80 [ 881.515473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.515473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.515473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.515473][ T10] ipv6_add_addr+0x411/0x2000 [ 881.515473][ T10] inet6_addr_add+0x30e/0xa40 [ 881.515473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.515473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.515473][ T10] netlink_rcv_skb+0x130/0x360 [ 881.515473][ T10] netlink_unicast+0x449/0x710 [ 881.515473][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.515473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.515473][ T10] ___sys_sendmsg+0xee/0x170 [ 881.515473][ T10] __sys_sendmsg+0xcd/0x170 [ 881.515473][ T10] do_syscall_64+0xc6/0x1e0 [ 881.515473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.515473][ T10] [ 881.517816][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 881.517816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.517816][ T10] ipv6_find_idev+0x102/0x170 [ 881.517816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.517816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.517816][ T10] netlink_rcv_skb+0x130/0x360 [ 881.517816][ T10] netlink_unicast+0x449/0x710 [ 881.517816][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.517816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.517816][ T10] ___sys_sendmsg+0xee/0x170 [ 881.517816][ T10] __sys_sendmsg+0xcd/0x170 [ 881.517816][ T10] do_syscall_64+0xc6/0x1e0 [ 881.517816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.517816][ T10] [ 881.519581][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 881.519581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.519581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.519581][ T10] ipv6_find_idev+0x102/0x170 [ 881.519581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.519581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.519581][ T10] netlink_rcv_skb+0x130/0x360 [ 881.519581][ T10] netlink_unicast+0x449/0x710 [ 881.519581][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.519581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.519581][ T10] ___sys_sendmsg+0xee/0x170 [ 881.519581][ T10] __sys_sendmsg+0xcd/0x170 [ 881.519581][ T10] do_syscall_64+0xc6/0x1e0 [ 881.519581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.519581][ T10] [ 881.521529][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 881.521830][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 881.521830][ T10] netdev_get_by_index+0x5e/0x80 [ 881.521830][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.521830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.521830][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.521830][ T10] ipv6_add_addr+0x411/0x2000 [ 881.521830][ T10] inet6_addr_add+0x30e/0xa40 [ 881.521830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.521830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.521830][ T10] netlink_rcv_skb+0x130/0x360 [ 881.521830][ T10] netlink_unicast+0x449/0x710 [ 881.521830][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.521830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.521830][ T10] ___sys_sendmsg+0xee/0x170 [ 881.521830][ T10] __sys_sendmsg+0xcd/0x170 [ 881.521830][ T10] do_syscall_64+0xc6/0x1e0 [ 881.521830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.521830][ T10] [ 881.524099][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 881.524099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.524099][ T10] ipv6_find_idev+0x102/0x170 [ 881.524099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.524099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.524099][ T10] netlink_rcv_skb+0x130/0x360 [ 881.524099][ T10] netlink_unicast+0x449/0x710 [ 881.524099][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.524099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.524099][ T10] ___sys_sendmsg+0xee/0x170 [ 881.524099][ T10] __sys_sendmsg+0xcd/0x170 [ 881.524099][ T10] do_syscall_64+0xc6/0x1e0 [ 881.524099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.524099][ T10] [ 881.525843][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 881.525843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.525843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.525843][ T10] ipv6_find_idev+0x102/0x170 [ 881.525843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.525843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.525843][ T10] netlink_rcv_skb+0x130/0x360 [ 881.525843][ T10] netlink_unicast+0x449/0x710 [ 881.525843][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.525843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.525843][ T10] ___sys_sendmsg+0xee/0x170 [ 881.525843][ T10] __sys_sendmsg+0xcd/0x170 [ 881.525843][ T10] do_syscall_64+0xc6/0x1e0 [ 881.525843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.525843][ T10] [ 881.527775][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 881.528079][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 881.528079][ T10] netdev_get_by_index+0x5e/0x80 [ 881.528079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.528079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.528079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.528079][ T10] ipv6_add_addr+0x411/0x2000 [ 881.528079][ T10] inet6_addr_add+0x30e/0xa40 [ 881.528079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.528079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.528079][ T10] netlink_rcv_skb+0x130/0x360 [ 881.528079][ T10] netlink_unicast+0x449/0x710 [ 881.528079][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.528079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.528079][ T10] ___sys_sendmsg+0xee/0x170 [ 881.528079][ T10] __sys_sendmsg+0xcd/0x170 [ 881.528079][ T10] do_syscall_64+0xc6/0x1e0 [ 881.528079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.528079][ T10] [ 881.530361][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 881.530361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.530361][ T10] ipv6_find_idev+0x102/0x170 [ 881.530361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.530361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.530361][ T10] netlink_rcv_skb+0x130/0x360 [ 881.530361][ T10] netlink_unicast+0x449/0x710 [ 881.530361][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.530361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.530361][ T10] ___sys_sendmsg+0xee/0x170 [ 881.530361][ T10] __sys_sendmsg+0xcd/0x170 [ 881.530361][ T10] do_syscall_64+0xc6/0x1e0 [ 881.530361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.530361][ T10] [ 881.532094][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 881.532094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.532094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.532094][ T10] ipv6_find_idev+0x102/0x170 [ 881.532094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.532094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.532094][ T10] netlink_rcv_skb+0x130/0x360 [ 881.532094][ T10] netlink_unicast+0x449/0x710 [ 881.532094][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.532094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.532094][ T10] ___sys_sendmsg+0xee/0x170 [ 881.532094][ T10] __sys_sendmsg+0xcd/0x170 [ 881.532094][ T10] do_syscall_64+0xc6/0x1e0 [ 881.532094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.532094][ T10] [ 881.534015][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 881.534317][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 881.534317][ T10] netdev_get_by_index+0x5e/0x80 [ 881.534317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.534317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.534317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.534317][ T10] ipv6_add_addr+0x411/0x2000 [ 881.534317][ T10] inet6_addr_add+0x30e/0xa40 [ 881.534317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.534317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.534317][ T10] netlink_rcv_skb+0x130/0x360 [ 881.534317][ T10] netlink_unicast+0x449/0x710 [ 881.534317][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.534317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.534317][ T10] ___sys_sendmsg+0xee/0x170 [ 881.534317][ T10] __sys_sendmsg+0xcd/0x170 [ 881.534317][ T10] do_syscall_64+0xc6/0x1e0 [ 881.534317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.534317][ T10] [ 881.536569][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 881.536569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.536569][ T10] ipv6_find_idev+0x102/0x170 [ 881.536569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.536569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.536569][ T10] netlink_rcv_skb+0x130/0x360 [ 881.536569][ T10] netlink_unicast+0x449/0x710 [ 881.536569][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.536569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.536569][ T10] ___sys_sendmsg+0xee/0x170 [ 881.536569][ T10] __sys_sendmsg+0xcd/0x170 [ 881.536569][ T10] do_syscall_64+0xc6/0x1e0 [ 881.536569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.536569][ T10] [ 881.538295][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 881.538295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.538295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.538295][ T10] ipv6_find_idev+0x102/0x170 [ 881.538295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.538295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.538295][ T10] netlink_rcv_skb+0x130/0x360 [ 881.538295][ T10] netlink_unicast+0x449/0x710 [ 881.538295][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.538295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.538295][ T10] ___sys_sendmsg+0xee/0x170 [ 881.538295][ T10] __sys_sendmsg+0xcd/0x170 [ 881.538295][ T10] do_syscall_64+0xc6/0x1e0 [ 881.538295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.538295][ T10] [ 881.540789][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 881.541156][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 881.541156][ T10] netdev_get_by_index+0x5e/0x80 [ 881.541156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.541156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.541156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.541156][ T10] ipv6_add_addr+0x411/0x2000 [ 881.541156][ T10] inet6_addr_add+0x30e/0xa40 [ 881.541156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.541156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.541156][ T10] netlink_rcv_skb+0x130/0x360 [ 881.541156][ T10] netlink_unicast+0x449/0x710 [ 881.541156][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.541156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.541156][ T10] ___sys_sendmsg+0xee/0x170 [ 881.541156][ T10] __sys_sendmsg+0xcd/0x170 [ 881.541156][ T10] do_syscall_64+0xc6/0x1e0 [ 881.541156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.541156][ T10] [ 881.543428][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 881.543428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.543428][ T10] ipv6_find_idev+0x102/0x170 [ 881.543428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.543428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.543428][ T10] netlink_rcv_skb+0x130/0x360 [ 881.543428][ T10] netlink_unicast+0x449/0x710 [ 881.543428][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.543428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.543428][ T10] ___sys_sendmsg+0xee/0x170 [ 881.543428][ T10] __sys_sendmsg+0xcd/0x170 [ 881.543428][ T10] do_syscall_64+0xc6/0x1e0 [ 881.543428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.543428][ T10] [ 881.545334][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 881.545334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.545334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.545334][ T10] ipv6_find_idev+0x102/0x170 [ 881.545334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.545334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.545334][ T10] netlink_rcv_skb+0x130/0x360 [ 881.545334][ T10] netlink_unicast+0x449/0x710 [ 881.545334][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.545334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.545334][ T10] ___sys_sendmsg+0xee/0x170 [ 881.545334][ T10] __sys_sendmsg+0xcd/0x170 [ 881.545334][ T10] do_syscall_64+0xc6/0x1e0 [ 881.545334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.545334][ T10] [ 881.547591][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 881.547947][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 881.547947][ T10] netdev_get_by_index+0x5e/0x80 [ 881.547947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.547947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.547947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.547947][ T10] ipv6_add_addr+0x411/0x2000 [ 881.547947][ T10] inet6_addr_add+0x30e/0xa40 [ 881.547947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.547947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.547947][ T10] netlink_rcv_skb+0x130/0x360 [ 881.547947][ T10] netlink_unicast+0x449/0x710 [ 881.547947][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.547947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.547947][ T10] ___sys_sendmsg+0xee/0x170 [ 881.547947][ T10] __sys_sendmsg+0xcd/0x170 [ 881.547947][ T10] do_syscall_64+0xc6/0x1e0 [ 881.547947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.547947][ T10] [ 881.550405][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 881.550405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.550405][ T10] ipv6_find_idev+0x102/0x170 [ 881.550405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.550405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.550405][ T10] netlink_rcv_skb+0x130/0x360 [ 881.550405][ T10] netlink_unicast+0x449/0x710 [ 881.550405][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.550405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.550405][ T10] ___sys_sendmsg+0xee/0x170 [ 881.550405][ T10] __sys_sendmsg+0xcd/0x170 [ 881.550405][ T10] do_syscall_64+0xc6/0x1e0 [ 881.550405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.550405][ T10] [ 881.552476][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 881.552476][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.552476][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.552476][ T10] ipv6_find_idev+0x102/0x170 [ 881.552476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.552476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.552476][ T10] netlink_rcv_skb+0x130/0x360 [ 881.552476][ T10] netlink_unicast+0x449/0x710 [ 881.552476][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.552476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.552476][ T10] ___sys_sendmsg+0xee/0x170 [ 881.552476][ T10] __sys_sendmsg+0xcd/0x170 [ 881.552476][ T10] do_syscall_64+0xc6/0x1e0 [ 881.552476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.552476][ T10] [ 881.554705][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 881.555058][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 881.555058][ T10] netdev_get_by_index+0x5e/0x80 [ 881.555058][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.555058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.555058][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.555058][ T10] ipv6_add_addr+0x411/0x2000 [ 881.555058][ T10] inet6_addr_add+0x30e/0xa40 [ 881.555058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.555058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.555058][ T10] netlink_rcv_skb+0x130/0x360 [ 881.555058][ T10] netlink_unicast+0x449/0x710 [ 881.555058][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.555058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.555058][ T10] ___sys_sendmsg+0xee/0x170 [ 881.555058][ T10] __sys_sendmsg+0xcd/0x170 [ 881.555058][ T10] do_syscall_64+0xc6/0x1e0 [ 881.555058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.555058][ T10] [ 881.557597][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 881.557597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.557597][ T10] ipv6_find_idev+0x102/0x170 [ 881.557597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.557597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.557597][ T10] netlink_rcv_skb+0x130/0x360 [ 881.557597][ T10] netlink_unicast+0x449/0x710 [ 881.557597][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.557597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.557597][ T10] ___sys_sendmsg+0xee/0x170 [ 881.557597][ T10] __sys_sendmsg+0xcd/0x170 [ 881.557597][ T10] do_syscall_64+0xc6/0x1e0 [ 881.557597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.557597][ T10] [ 881.559958][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 881.559958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.559958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.559958][ T10] ipv6_find_idev+0x102/0x170 [ 881.559958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.559958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.559958][ T10] netlink_rcv_skb+0x130/0x360 [ 881.559958][ T10] netlink_unicast+0x449/0x710 [ 881.559958][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.559958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.559958][ T10] ___sys_sendmsg+0xee/0x170 [ 881.559958][ T10] __sys_sendmsg+0xcd/0x170 [ 881.559958][ T10] do_syscall_64+0xc6/0x1e0 [ 881.559958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.559958][ T10] [ 881.562173][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 881.562515][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 881.562515][ T10] netdev_get_by_index+0x5e/0x80 [ 881.562515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 881.562515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 881.562515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 881.562515][ T10] ipv6_add_addr+0x411/0x2000 [ 881.562515][ T10] inet6_addr_add+0x30e/0xa40 [ 881.562515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 881.562515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.562515][ T10] netlink_rcv_skb+0x130/0x360 [ 881.562515][ T10] netlink_unicast+0x449/0x710 [ 881.562515][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.562515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.562515][ T10] ___sys_sendmsg+0xee/0x170 [ 881.562515][ T10] __sys_sendmsg+0xcd/0x170 [ 881.562515][ T10] do_syscall_64+0xc6/0x1e0 [ 881.562515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.562515][ T10] [ 881.564968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 881.564968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 881.564968][ T10] ipv6_find_idev+0x102/0x170 [ 881.564968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.564968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.564968][ T10] netlink_rcv_skb+0x130/0x360 [ 881.564968][ T10] netlink_unicast+0x449/0x710 [ 881.564968][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.564968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.564968][ T10] ___sys_sendmsg+0xee/0x170 [ 881.564968][ T10] __sys_sendmsg+0xcd/0x170 [ 881.564968][ T10] do_syscall_64+0xc6/0x1e0 [ 881.564968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.564968][ T10] [ 881.566920][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 881.566920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 881.566920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 881.566920][ T10] ipv6_find_idev+0x102/0x170 [ 881.566920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 881.566920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 881.566920][ T10] netlink_rcv_skb+0x130/0x360 [ 881.566920][ T10] netlink_unicast+0x449/0x710 [ 881.566920][ T10] netlink_sendmsg+0x723/0xbe0 [ 881.566920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 881.566920][ T10] ___sys_sendmsg+0xee/0x170 [ 881.566920][ T10] __sys_sendmsg+0xcd/0x170 [ 881.566920][ T10] do_syscall_64+0xc6/0x1e0 [ 881.566920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 881.566920][ T10] [ 891.810973][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 891.811413][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 891.811413][ T10] netdev_get_by_index+0x5e/0x80 [ 891.811413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.811413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.811413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.811413][ T10] ipv6_add_addr+0x411/0x2000 [ 891.811413][ T10] inet6_addr_add+0x30e/0xa40 [ 891.811413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.811413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.811413][ T10] netlink_rcv_skb+0x130/0x360 [ 891.811413][ T10] netlink_unicast+0x449/0x710 [ 891.811413][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.811413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.811413][ T10] ___sys_sendmsg+0xee/0x170 [ 891.811413][ T10] __sys_sendmsg+0xcd/0x170 [ 891.811413][ T10] do_syscall_64+0xc6/0x1e0 [ 891.811413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.811413][ T10] [ 891.814037][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 891.814037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.814037][ T10] ipv6_find_idev+0x102/0x170 [ 891.814037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.814037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.814037][ T10] netlink_rcv_skb+0x130/0x360 [ 891.814037][ T10] netlink_unicast+0x449/0x710 [ 891.814037][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.814037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.814037][ T10] ___sys_sendmsg+0xee/0x170 [ 891.814037][ T10] __sys_sendmsg+0xcd/0x170 [ 891.814037][ T10] do_syscall_64+0xc6/0x1e0 [ 891.814037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.814037][ T10] [ 891.815744][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 891.815744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.815744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.815744][ T10] ipv6_find_idev+0x102/0x170 [ 891.815744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.815744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.815744][ T10] netlink_rcv_skb+0x130/0x360 [ 891.815744][ T10] netlink_unicast+0x449/0x710 [ 891.815744][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.815744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.815744][ T10] ___sys_sendmsg+0xee/0x170 [ 891.815744][ T10] __sys_sendmsg+0xcd/0x170 [ 891.815744][ T10] do_syscall_64+0xc6/0x1e0 [ 891.815744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.815744][ T10] [ 891.817630][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 891.817944][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 891.817944][ T10] netdev_get_by_index+0x5e/0x80 [ 891.817944][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.817944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.817944][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.817944][ T10] ipv6_add_addr+0x411/0x2000 [ 891.817944][ T10] inet6_addr_add+0x30e/0xa40 [ 891.817944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.817944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.817944][ T10] netlink_rcv_skb+0x130/0x360 [ 891.817944][ T10] netlink_unicast+0x449/0x710 [ 891.817944][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.817944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.817944][ T10] ___sys_sendmsg+0xee/0x170 [ 891.817944][ T10] __sys_sendmsg+0xcd/0x170 [ 891.817944][ T10] do_syscall_64+0xc6/0x1e0 [ 891.817944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.817944][ T10] [ 891.820185][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 891.820185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.820185][ T10] ipv6_find_idev+0x102/0x170 [ 891.820185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.820185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.820185][ T10] netlink_rcv_skb+0x130/0x360 [ 891.820185][ T10] netlink_unicast+0x449/0x710 [ 891.820185][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.820185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.820185][ T10] ___sys_sendmsg+0xee/0x170 [ 891.820185][ T10] __sys_sendmsg+0xcd/0x170 [ 891.820185][ T10] do_syscall_64+0xc6/0x1e0 [ 891.820185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.820185][ T10] [ 891.821893][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 891.821893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.821893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.821893][ T10] ipv6_find_idev+0x102/0x170 [ 891.821893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.821893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.821893][ T10] netlink_rcv_skb+0x130/0x360 [ 891.821893][ T10] netlink_unicast+0x449/0x710 [ 891.821893][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.821893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.821893][ T10] ___sys_sendmsg+0xee/0x170 [ 891.821893][ T10] __sys_sendmsg+0xcd/0x170 [ 891.821893][ T10] do_syscall_64+0xc6/0x1e0 [ 891.821893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.821893][ T10] [ 891.823763][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 891.824505][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 891.824505][ T10] netdev_get_by_index+0x5e/0x80 [ 891.824505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.824505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.824505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.824505][ T10] ipv6_add_addr+0x411/0x2000 [ 891.824505][ T10] inet6_addr_add+0x30e/0xa40 [ 891.824505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.824505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.824505][ T10] netlink_rcv_skb+0x130/0x360 [ 891.824505][ T10] netlink_unicast+0x449/0x710 [ 891.824505][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.824505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.824505][ T10] ___sys_sendmsg+0xee/0x170 [ 891.824505][ T10] __sys_sendmsg+0xcd/0x170 [ 891.824505][ T10] do_syscall_64+0xc6/0x1e0 [ 891.824505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.824505][ T10] [ 891.826722][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 891.826722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.826722][ T10] ipv6_find_idev+0x102/0x170 [ 891.826722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.826722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.826722][ T10] netlink_rcv_skb+0x130/0x360 [ 891.826722][ T10] netlink_unicast+0x449/0x710 [ 891.826722][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.826722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.826722][ T10] ___sys_sendmsg+0xee/0x170 [ 891.826722][ T10] __sys_sendmsg+0xcd/0x170 [ 891.826722][ T10] do_syscall_64+0xc6/0x1e0 [ 891.826722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.826722][ T10] [ 891.828402][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 891.828402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.828402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.828402][ T10] ipv6_find_idev+0x102/0x170 [ 891.828402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.828402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.828402][ T10] netlink_rcv_skb+0x130/0x360 [ 891.828402][ T10] netlink_unicast+0x449/0x710 [ 891.828402][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.828402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.828402][ T10] ___sys_sendmsg+0xee/0x170 [ 891.828402][ T10] __sys_sendmsg+0xcd/0x170 [ 891.828402][ T10] do_syscall_64+0xc6/0x1e0 [ 891.828402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.828402][ T10] [ 891.830305][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 891.830593][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 891.830593][ T10] netdev_get_by_index+0x5e/0x80 [ 891.830593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.830593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.830593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.830593][ T10] ipv6_add_addr+0x411/0x2000 [ 891.830593][ T10] inet6_addr_add+0x30e/0xa40 [ 891.830593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.830593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.830593][ T10] netlink_rcv_skb+0x130/0x360 [ 891.830593][ T10] netlink_unicast+0x449/0x710 [ 891.830593][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.830593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.830593][ T10] ___sys_sendmsg+0xee/0x170 [ 891.830593][ T10] __sys_sendmsg+0xcd/0x170 [ 891.830593][ T10] do_syscall_64+0xc6/0x1e0 [ 891.830593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.830593][ T10] [ 891.832798][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 891.832798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.832798][ T10] ipv6_find_idev+0x102/0x170 [ 891.832798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.832798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.832798][ T10] netlink_rcv_skb+0x130/0x360 [ 891.832798][ T10] netlink_unicast+0x449/0x710 [ 891.832798][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.832798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.832798][ T10] ___sys_sendmsg+0xee/0x170 [ 891.832798][ T10] __sys_sendmsg+0xcd/0x170 [ 891.832798][ T10] do_syscall_64+0xc6/0x1e0 [ 891.832798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.832798][ T10] [ 891.834502][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 891.834502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.834502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.834502][ T10] ipv6_find_idev+0x102/0x170 [ 891.834502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.834502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.834502][ T10] netlink_rcv_skb+0x130/0x360 [ 891.834502][ T10] netlink_unicast+0x449/0x710 [ 891.834502][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.834502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.834502][ T10] ___sys_sendmsg+0xee/0x170 [ 891.834502][ T10] __sys_sendmsg+0xcd/0x170 [ 891.834502][ T10] do_syscall_64+0xc6/0x1e0 [ 891.834502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.834502][ T10] [ 891.836427][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 891.836711][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 891.836711][ T10] netdev_get_by_index+0x5e/0x80 [ 891.836711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.836711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.836711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.836711][ T10] ipv6_add_addr+0x411/0x2000 [ 891.836711][ T10] inet6_addr_add+0x30e/0xa40 [ 891.836711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.836711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.836711][ T10] netlink_rcv_skb+0x130/0x360 [ 891.836711][ T10] netlink_unicast+0x449/0x710 [ 891.836711][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.836711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.836711][ T10] ___sys_sendmsg+0xee/0x170 [ 891.836711][ T10] __sys_sendmsg+0xcd/0x170 [ 891.836711][ T10] do_syscall_64+0xc6/0x1e0 [ 891.836711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.836711][ T10] [ 891.838925][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 891.838925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.838925][ T10] ipv6_find_idev+0x102/0x170 [ 891.838925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.838925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.838925][ T10] netlink_rcv_skb+0x130/0x360 [ 891.838925][ T10] netlink_unicast+0x449/0x710 [ 891.838925][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.838925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.838925][ T10] ___sys_sendmsg+0xee/0x170 [ 891.838925][ T10] __sys_sendmsg+0xcd/0x170 [ 891.838925][ T10] do_syscall_64+0xc6/0x1e0 [ 891.838925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.838925][ T10] [ 891.840663][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 891.840663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.840663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.840663][ T10] ipv6_find_idev+0x102/0x170 [ 891.840663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.840663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.840663][ T10] netlink_rcv_skb+0x130/0x360 [ 891.840663][ T10] netlink_unicast+0x449/0x710 [ 891.840663][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.840663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.840663][ T10] ___sys_sendmsg+0xee/0x170 [ 891.840663][ T10] __sys_sendmsg+0xcd/0x170 [ 891.840663][ T10] do_syscall_64+0xc6/0x1e0 [ 891.840663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.840663][ T10] [ 891.842683][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 891.843092][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 891.843092][ T10] netdev_get_by_index+0x5e/0x80 [ 891.843092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.843092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.843092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.843092][ T10] ipv6_add_addr+0x411/0x2000 [ 891.843092][ T10] inet6_addr_add+0x30e/0xa40 [ 891.843092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.843092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.843092][ T10] netlink_rcv_skb+0x130/0x360 [ 891.843092][ T10] netlink_unicast+0x449/0x710 [ 891.843092][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.843092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.843092][ T10] ___sys_sendmsg+0xee/0x170 [ 891.843092][ T10] __sys_sendmsg+0xcd/0x170 [ 891.843092][ T10] do_syscall_64+0xc6/0x1e0 [ 891.843092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.843092][ T10] [ 891.845352][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 891.845352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.845352][ T10] ipv6_find_idev+0x102/0x170 [ 891.845352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.845352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.845352][ T10] netlink_rcv_skb+0x130/0x360 [ 891.845352][ T10] netlink_unicast+0x449/0x710 [ 891.845352][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.845352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.845352][ T10] ___sys_sendmsg+0xee/0x170 [ 891.845352][ T10] __sys_sendmsg+0xcd/0x170 [ 891.845352][ T10] do_syscall_64+0xc6/0x1e0 [ 891.845352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.845352][ T10] [ 891.847221][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 891.847221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.847221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.847221][ T10] ipv6_find_idev+0x102/0x170 [ 891.847221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.847221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.847221][ T10] netlink_rcv_skb+0x130/0x360 [ 891.847221][ T10] netlink_unicast+0x449/0x710 [ 891.847221][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.847221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.847221][ T10] ___sys_sendmsg+0xee/0x170 [ 891.847221][ T10] __sys_sendmsg+0xcd/0x170 [ 891.847221][ T10] do_syscall_64+0xc6/0x1e0 [ 891.847221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.847221][ T10] [ 891.849306][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 891.849597][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 891.849597][ T10] netdev_get_by_index+0x5e/0x80 [ 891.849597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.849597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.849597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.849597][ T10] ipv6_add_addr+0x411/0x2000 [ 891.849597][ T10] inet6_addr_add+0x30e/0xa40 [ 891.849597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.849597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.849597][ T10] netlink_rcv_skb+0x130/0x360 [ 891.849597][ T10] netlink_unicast+0x449/0x710 [ 891.849597][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.849597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.849597][ T10] ___sys_sendmsg+0xee/0x170 [ 891.849597][ T10] __sys_sendmsg+0xcd/0x170 [ 891.849597][ T10] do_syscall_64+0xc6/0x1e0 [ 891.849597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.849597][ T10] [ 891.852025][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 891.852025][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.852025][ T10] ipv6_find_idev+0x102/0x170 [ 891.852025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.852025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.852025][ T10] netlink_rcv_skb+0x130/0x360 [ 891.852025][ T10] netlink_unicast+0x449/0x710 [ 891.852025][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.852025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.852025][ T10] ___sys_sendmsg+0xee/0x170 [ 891.852025][ T10] __sys_sendmsg+0xcd/0x170 [ 891.852025][ T10] do_syscall_64+0xc6/0x1e0 [ 891.852025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.852025][ T10] [ 891.853839][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 891.853839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.853839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.853839][ T10] ipv6_find_idev+0x102/0x170 [ 891.853839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.853839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.853839][ T10] netlink_rcv_skb+0x130/0x360 [ 891.853839][ T10] netlink_unicast+0x449/0x710 [ 891.853839][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.853839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.853839][ T10] ___sys_sendmsg+0xee/0x170 [ 891.853839][ T10] __sys_sendmsg+0xcd/0x170 [ 891.853839][ T10] do_syscall_64+0xc6/0x1e0 [ 891.853839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.853839][ T10] [ 891.856032][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 891.856313][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 891.856313][ T10] netdev_get_by_index+0x5e/0x80 [ 891.856313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 891.856313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 891.856313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 891.856313][ T10] ipv6_add_addr+0x411/0x2000 [ 891.856313][ T10] inet6_addr_add+0x30e/0xa40 [ 891.856313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 891.856313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.856313][ T10] netlink_rcv_skb+0x130/0x360 [ 891.856313][ T10] netlink_unicast+0x449/0x710 [ 891.856313][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.856313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.856313][ T10] ___sys_sendmsg+0xee/0x170 [ 891.856313][ T10] __sys_sendmsg+0xcd/0x170 [ 891.856313][ T10] do_syscall_64+0xc6/0x1e0 [ 891.856313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.856313][ T10] [ 891.858683][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 891.858683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 891.858683][ T10] ipv6_find_idev+0x102/0x170 [ 891.858683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.858683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.858683][ T10] netlink_rcv_skb+0x130/0x360 [ 891.858683][ T10] netlink_unicast+0x449/0x710 [ 891.858683][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.858683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.858683][ T10] ___sys_sendmsg+0xee/0x170 [ 891.858683][ T10] __sys_sendmsg+0xcd/0x170 [ 891.858683][ T10] do_syscall_64+0xc6/0x1e0 [ 891.858683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.858683][ T10] [ 891.860569][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 891.860569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 891.860569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 891.860569][ T10] ipv6_find_idev+0x102/0x170 [ 891.860569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 891.860569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 891.860569][ T10] netlink_rcv_skb+0x130/0x360 [ 891.860569][ T10] netlink_unicast+0x449/0x710 [ 891.860569][ T10] netlink_sendmsg+0x723/0xbe0 [ 891.860569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 891.860569][ T10] ___sys_sendmsg+0xee/0x170 [ 891.860569][ T10] __sys_sendmsg+0xcd/0x170 [ 891.860569][ T10] do_syscall_64+0xc6/0x1e0 [ 891.860569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 891.860569][ T10] [ 901.979000][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 901.979432][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 901.979432][ T10] netdev_get_by_index+0x5e/0x80 [ 901.979432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 901.979432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 901.979432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 901.979432][ T10] ipv6_add_addr+0x411/0x2000 [ 901.979432][ T10] inet6_addr_add+0x30e/0xa40 [ 901.979432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 901.979432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.979432][ T10] netlink_rcv_skb+0x130/0x360 [ 901.979432][ T10] netlink_unicast+0x449/0x710 [ 901.979432][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.979432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.979432][ T10] ___sys_sendmsg+0xee/0x170 [ 901.979432][ T10] __sys_sendmsg+0xcd/0x170 [ 901.979432][ T10] do_syscall_64+0xc6/0x1e0 [ 901.979432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.979432][ T10] [ 901.981446][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 901.981446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 901.981446][ T10] ipv6_find_idev+0x102/0x170 [ 901.981446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.981446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.981446][ T10] netlink_rcv_skb+0x130/0x360 [ 901.981446][ T10] netlink_unicast+0x449/0x710 [ 901.981446][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.981446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.981446][ T10] ___sys_sendmsg+0xee/0x170 [ 901.981446][ T10] __sys_sendmsg+0xcd/0x170 [ 901.981446][ T10] do_syscall_64+0xc6/0x1e0 [ 901.981446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.981446][ T10] [ 901.982981][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 901.982981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 901.982981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 901.982981][ T10] ipv6_find_idev+0x102/0x170 [ 901.982981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.982981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.982981][ T10] netlink_rcv_skb+0x130/0x360 [ 901.982981][ T10] netlink_unicast+0x449/0x710 [ 901.982981][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.982981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.982981][ T10] ___sys_sendmsg+0xee/0x170 [ 901.982981][ T10] __sys_sendmsg+0xcd/0x170 [ 901.982981][ T10] do_syscall_64+0xc6/0x1e0 [ 901.982981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.982981][ T10] [ 901.984683][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 901.984973][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 901.984973][ T10] netdev_get_by_index+0x5e/0x80 [ 901.984973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 901.984973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 901.984973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 901.984973][ T10] ipv6_add_addr+0x411/0x2000 [ 901.984973][ T10] inet6_addr_add+0x30e/0xa40 [ 901.984973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 901.984973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.984973][ T10] netlink_rcv_skb+0x130/0x360 [ 901.984973][ T10] netlink_unicast+0x449/0x710 [ 901.984973][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.984973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.984973][ T10] ___sys_sendmsg+0xee/0x170 [ 901.984973][ T10] __sys_sendmsg+0xcd/0x170 [ 901.984973][ T10] do_syscall_64+0xc6/0x1e0 [ 901.984973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.984973][ T10] [ 901.986957][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 901.986957][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 901.986957][ T10] ipv6_find_idev+0x102/0x170 [ 901.986957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.986957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.986957][ T10] netlink_rcv_skb+0x130/0x360 [ 901.986957][ T10] netlink_unicast+0x449/0x710 [ 901.986957][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.986957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.986957][ T10] ___sys_sendmsg+0xee/0x170 [ 901.986957][ T10] __sys_sendmsg+0xcd/0x170 [ 901.986957][ T10] do_syscall_64+0xc6/0x1e0 [ 901.986957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.986957][ T10] [ 901.988486][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 901.988486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 901.988486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 901.988486][ T10] ipv6_find_idev+0x102/0x170 [ 901.988486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.988486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.988486][ T10] netlink_rcv_skb+0x130/0x360 [ 901.988486][ T10] netlink_unicast+0x449/0x710 [ 901.988486][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.988486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.988486][ T10] ___sys_sendmsg+0xee/0x170 [ 901.988486][ T10] __sys_sendmsg+0xcd/0x170 [ 901.988486][ T10] do_syscall_64+0xc6/0x1e0 [ 901.988486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.988486][ T10] [ 901.990175][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 901.990448][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 901.990448][ T10] netdev_get_by_index+0x5e/0x80 [ 901.990448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 901.990448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 901.990448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 901.990448][ T10] ipv6_add_addr+0x411/0x2000 [ 901.990448][ T10] inet6_addr_add+0x30e/0xa40 [ 901.990448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 901.990448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.990448][ T10] netlink_rcv_skb+0x130/0x360 [ 901.990448][ T10] netlink_unicast+0x449/0x710 [ 901.990448][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.990448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.990448][ T10] ___sys_sendmsg+0xee/0x170 [ 901.990448][ T10] __sys_sendmsg+0xcd/0x170 [ 901.990448][ T10] do_syscall_64+0xc6/0x1e0 [ 901.990448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.990448][ T10] [ 901.992435][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 901.992435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 901.992435][ T10] ipv6_find_idev+0x102/0x170 [ 901.992435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.992435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.992435][ T10] netlink_rcv_skb+0x130/0x360 [ 901.992435][ T10] netlink_unicast+0x449/0x710 [ 901.992435][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.992435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.992435][ T10] ___sys_sendmsg+0xee/0x170 [ 901.992435][ T10] __sys_sendmsg+0xcd/0x170 [ 901.992435][ T10] do_syscall_64+0xc6/0x1e0 [ 901.992435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.992435][ T10] [ 901.993962][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 901.993962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 901.993962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 901.993962][ T10] ipv6_find_idev+0x102/0x170 [ 901.993962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.993962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.993962][ T10] netlink_rcv_skb+0x130/0x360 [ 901.993962][ T10] netlink_unicast+0x449/0x710 [ 901.993962][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.993962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.993962][ T10] ___sys_sendmsg+0xee/0x170 [ 901.993962][ T10] __sys_sendmsg+0xcd/0x170 [ 901.993962][ T10] do_syscall_64+0xc6/0x1e0 [ 901.993962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.993962][ T10] [ 901.995632][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 901.996744][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 901.996744][ T10] netdev_get_by_index+0x5e/0x80 [ 901.996744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 901.996744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 901.996744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 901.996744][ T10] ipv6_add_addr+0x411/0x2000 [ 901.996744][ T10] inet6_addr_add+0x30e/0xa40 [ 901.996744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 901.996744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.996744][ T10] netlink_rcv_skb+0x130/0x360 [ 901.996744][ T10] netlink_unicast+0x449/0x710 [ 901.996744][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.996744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.996744][ T10] ___sys_sendmsg+0xee/0x170 [ 901.996744][ T10] __sys_sendmsg+0xcd/0x170 [ 901.996744][ T10] do_syscall_64+0xc6/0x1e0 [ 901.996744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.996744][ T10] [ 901.998720][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 901.998720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 901.998720][ T10] ipv6_find_idev+0x102/0x170 [ 901.998720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 901.998720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 901.998720][ T10] netlink_rcv_skb+0x130/0x360 [ 901.998720][ T10] netlink_unicast+0x449/0x710 [ 901.998720][ T10] netlink_sendmsg+0x723/0xbe0 [ 901.998720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 901.998720][ T10] ___sys_sendmsg+0xee/0x170 [ 901.998720][ T10] __sys_sendmsg+0xcd/0x170 [ 901.998720][ T10] do_syscall_64+0xc6/0x1e0 [ 901.998720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 901.998720][ T10] [ 902.000250][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 902.000250][ T10] neigh_parms_alloc+0x1e5/0x510 [ 902.000250][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 902.000250][ T10] ipv6_find_idev+0x102/0x170 [ 902.000250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.000250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.000250][ T10] netlink_rcv_skb+0x130/0x360 [ 902.000250][ T10] netlink_unicast+0x449/0x710 [ 902.000250][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.000250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.000250][ T10] ___sys_sendmsg+0xee/0x170 [ 902.000250][ T10] __sys_sendmsg+0xcd/0x170 [ 902.000250][ T10] do_syscall_64+0xc6/0x1e0 [ 902.000250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.000250][ T10] [ 902.001966][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 902.002271][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 902.002271][ T10] netdev_get_by_index+0x5e/0x80 [ 902.002271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 902.002271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 902.002271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 902.002271][ T10] ipv6_add_addr+0x411/0x2000 [ 902.002271][ T10] inet6_addr_add+0x30e/0xa40 [ 902.002271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 902.002271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.002271][ T10] netlink_rcv_skb+0x130/0x360 [ 902.002271][ T10] netlink_unicast+0x449/0x710 [ 902.002271][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.002271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.002271][ T10] ___sys_sendmsg+0xee/0x170 [ 902.002271][ T10] __sys_sendmsg+0xcd/0x170 [ 902.002271][ T10] do_syscall_64+0xc6/0x1e0 [ 902.002271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.002271][ T10] [ 902.004258][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 902.004258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 902.004258][ T10] ipv6_find_idev+0x102/0x170 [ 902.004258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.004258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.004258][ T10] netlink_rcv_skb+0x130/0x360 [ 902.004258][ T10] netlink_unicast+0x449/0x710 [ 902.004258][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.004258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.004258][ T10] ___sys_sendmsg+0xee/0x170 [ 902.004258][ T10] __sys_sendmsg+0xcd/0x170 [ 902.004258][ T10] do_syscall_64+0xc6/0x1e0 [ 902.004258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.004258][ T10] [ 902.005909][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 902.005909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 902.005909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 902.005909][ T10] ipv6_find_idev+0x102/0x170 [ 902.005909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.005909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.005909][ T10] netlink_rcv_skb+0x130/0x360 [ 902.005909][ T10] netlink_unicast+0x449/0x710 [ 902.005909][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.005909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.005909][ T10] ___sys_sendmsg+0xee/0x170 [ 902.005909][ T10] __sys_sendmsg+0xcd/0x170 [ 902.005909][ T10] do_syscall_64+0xc6/0x1e0 [ 902.005909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.005909][ T10] [ 902.007771][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 902.008109][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 902.008109][ T10] netdev_get_by_index+0x5e/0x80 [ 902.008109][ T10] fib6_nh_init+0x3d8/0x15b0 [ 902.008109][ T10] ip6_route_info_create+0xf18/0x17d0 [ 902.008109][ T10] addrconf_f6i_alloc+0x244/0x410 [ 902.008109][ T10] ipv6_add_addr+0x411/0x2000 [ 902.008109][ T10] inet6_addr_add+0x30e/0xa40 [ 902.008109][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 902.008109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.008109][ T10] netlink_rcv_skb+0x130/0x360 [ 902.008109][ T10] netlink_unicast+0x449/0x710 [ 902.008109][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.008109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.008109][ T10] ___sys_sendmsg+0xee/0x170 [ 902.008109][ T10] __sys_sendmsg+0xcd/0x170 [ 902.008109][ T10] do_syscall_64+0xc6/0x1e0 [ 902.008109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.008109][ T10] [ 902.010285][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 902.010285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 902.010285][ T10] ipv6_find_idev+0x102/0x170 [ 902.010285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.010285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.010285][ T10] netlink_rcv_skb+0x130/0x360 [ 902.010285][ T10] netlink_unicast+0x449/0x710 [ 902.010285][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.010285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.010285][ T10] ___sys_sendmsg+0xee/0x170 [ 902.010285][ T10] __sys_sendmsg+0xcd/0x170 [ 902.010285][ T10] do_syscall_64+0xc6/0x1e0 [ 902.010285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.010285][ T10] [ 902.012144][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 902.012144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 902.012144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 902.012144][ T10] ipv6_find_idev+0x102/0x170 [ 902.012144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.012144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.012144][ T10] netlink_rcv_skb+0x130/0x360 [ 902.012144][ T10] netlink_unicast+0x449/0x710 [ 902.012144][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.012144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.012144][ T10] ___sys_sendmsg+0xee/0x170 [ 902.012144][ T10] __sys_sendmsg+0xcd/0x170 [ 902.012144][ T10] do_syscall_64+0xc6/0x1e0 [ 902.012144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.012144][ T10] [ 902.014262][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 902.014590][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 902.014590][ T10] netdev_get_by_index+0x5e/0x80 [ 902.014590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 902.014590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 902.014590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 902.014590][ T10] ipv6_add_addr+0x411/0x2000 [ 902.014590][ T10] inet6_addr_add+0x30e/0xa40 [ 902.014590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 902.014590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.014590][ T10] netlink_rcv_skb+0x130/0x360 [ 902.014590][ T10] netlink_unicast+0x449/0x710 [ 902.014590][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.014590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.014590][ T10] ___sys_sendmsg+0xee/0x170 [ 902.014590][ T10] __sys_sendmsg+0xcd/0x170 [ 902.014590][ T10] do_syscall_64+0xc6/0x1e0 [ 902.014590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.014590][ T10] [ 902.016932][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 902.016932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 902.016932][ T10] ipv6_find_idev+0x102/0x170 [ 902.016932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.016932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.016932][ T10] netlink_rcv_skb+0x130/0x360 [ 902.016932][ T10] netlink_unicast+0x449/0x710 [ 902.016932][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.016932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.016932][ T10] ___sys_sendmsg+0xee/0x170 [ 902.016932][ T10] __sys_sendmsg+0xcd/0x170 [ 902.016932][ T10] do_syscall_64+0xc6/0x1e0 [ 902.016932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.016932][ T10] [ 902.018790][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 902.018790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 902.018790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 902.018790][ T10] ipv6_find_idev+0x102/0x170 [ 902.018790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.018790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.018790][ T10] netlink_rcv_skb+0x130/0x360 [ 902.018790][ T10] netlink_unicast+0x449/0x710 [ 902.018790][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.018790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.018790][ T10] ___sys_sendmsg+0xee/0x170 [ 902.018790][ T10] __sys_sendmsg+0xcd/0x170 [ 902.018790][ T10] do_syscall_64+0xc6/0x1e0 [ 902.018790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.018790][ T10] [ 902.020904][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 902.021236][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 902.021236][ T10] netdev_get_by_index+0x5e/0x80 [ 902.021236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 902.021236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 902.021236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 902.021236][ T10] ipv6_add_addr+0x411/0x2000 [ 902.021236][ T10] inet6_addr_add+0x30e/0xa40 [ 902.021236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 902.021236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.021236][ T10] netlink_rcv_skb+0x130/0x360 [ 902.021236][ T10] netlink_unicast+0x449/0x710 [ 902.021236][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.021236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.021236][ T10] ___sys_sendmsg+0xee/0x170 [ 902.021236][ T10] __sys_sendmsg+0xcd/0x170 [ 902.021236][ T10] do_syscall_64+0xc6/0x1e0 [ 902.021236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.021236][ T10] [ 902.023570][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 902.023570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 902.023570][ T10] ipv6_find_idev+0x102/0x170 [ 902.023570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.023570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.023570][ T10] netlink_rcv_skb+0x130/0x360 [ 902.023570][ T10] netlink_unicast+0x449/0x710 [ 902.023570][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.023570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.023570][ T10] ___sys_sendmsg+0xee/0x170 [ 902.023570][ T10] __sys_sendmsg+0xcd/0x170 [ 902.023570][ T10] do_syscall_64+0xc6/0x1e0 [ 902.023570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.023570][ T10] [ 902.025459][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 902.025459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 902.025459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 902.025459][ T10] ipv6_find_idev+0x102/0x170 [ 902.025459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 902.025459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 902.025459][ T10] netlink_rcv_skb+0x130/0x360 [ 902.025459][ T10] netlink_unicast+0x449/0x710 [ 902.025459][ T10] netlink_sendmsg+0x723/0xbe0 [ 902.025459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 902.025459][ T10] ___sys_sendmsg+0xee/0x170 [ 902.025459][ T10] __sys_sendmsg+0xcd/0x170 [ 902.025459][ T10] do_syscall_64+0xc6/0x1e0 [ 902.025459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 902.025459][ T10] [ 912.266962][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 912.267405][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 912.267405][ T10] netdev_get_by_index+0x5e/0x80 [ 912.267405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.267405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.267405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.267405][ T10] ipv6_add_addr+0x411/0x2000 [ 912.267405][ T10] inet6_addr_add+0x30e/0xa40 [ 912.267405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.267405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.267405][ T10] netlink_rcv_skb+0x130/0x360 [ 912.267405][ T10] netlink_unicast+0x449/0x710 [ 912.267405][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.267405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.267405][ T10] ___sys_sendmsg+0xee/0x170 [ 912.267405][ T10] __sys_sendmsg+0xcd/0x170 [ 912.267405][ T10] do_syscall_64+0xc6/0x1e0 [ 912.267405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.267405][ T10] [ 912.269475][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 912.269475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.269475][ T10] ipv6_find_idev+0x102/0x170 [ 912.269475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.269475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.269475][ T10] netlink_rcv_skb+0x130/0x360 [ 912.269475][ T10] netlink_unicast+0x449/0x710 [ 912.269475][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.269475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.269475][ T10] ___sys_sendmsg+0xee/0x170 [ 912.269475][ T10] __sys_sendmsg+0xcd/0x170 [ 912.269475][ T10] do_syscall_64+0xc6/0x1e0 [ 912.269475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.269475][ T10] [ 912.271010][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 912.271010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.271010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.271010][ T10] ipv6_find_idev+0x102/0x170 [ 912.271010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.271010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.271010][ T10] netlink_rcv_skb+0x130/0x360 [ 912.271010][ T10] netlink_unicast+0x449/0x710 [ 912.271010][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.271010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.271010][ T10] ___sys_sendmsg+0xee/0x170 [ 912.271010][ T10] __sys_sendmsg+0xcd/0x170 [ 912.271010][ T10] do_syscall_64+0xc6/0x1e0 [ 912.271010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.271010][ T10] [ 912.272722][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 912.273014][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 912.273014][ T10] netdev_get_by_index+0x5e/0x80 [ 912.273014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.273014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.273014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.273014][ T10] ipv6_add_addr+0x411/0x2000 [ 912.273014][ T10] inet6_addr_add+0x30e/0xa40 [ 912.273014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.273014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.273014][ T10] netlink_rcv_skb+0x130/0x360 [ 912.273014][ T10] netlink_unicast+0x449/0x710 [ 912.273014][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.273014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.273014][ T10] ___sys_sendmsg+0xee/0x170 [ 912.273014][ T10] __sys_sendmsg+0xcd/0x170 [ 912.273014][ T10] do_syscall_64+0xc6/0x1e0 [ 912.273014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.273014][ T10] [ 912.274999][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 912.274999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.274999][ T10] ipv6_find_idev+0x102/0x170 [ 912.274999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.274999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.274999][ T10] netlink_rcv_skb+0x130/0x360 [ 912.274999][ T10] netlink_unicast+0x449/0x710 [ 912.274999][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.274999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.274999][ T10] ___sys_sendmsg+0xee/0x170 [ 912.274999][ T10] __sys_sendmsg+0xcd/0x170 [ 912.274999][ T10] do_syscall_64+0xc6/0x1e0 [ 912.274999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.274999][ T10] [ 912.276531][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 912.276531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.276531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.276531][ T10] ipv6_find_idev+0x102/0x170 [ 912.276531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.276531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.276531][ T10] netlink_rcv_skb+0x130/0x360 [ 912.276531][ T10] netlink_unicast+0x449/0x710 [ 912.276531][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.276531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.276531][ T10] ___sys_sendmsg+0xee/0x170 [ 912.276531][ T10] __sys_sendmsg+0xcd/0x170 [ 912.276531][ T10] do_syscall_64+0xc6/0x1e0 [ 912.276531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.276531][ T10] [ 912.278212][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 912.278477][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 912.278477][ T10] netdev_get_by_index+0x5e/0x80 [ 912.278477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.278477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.278477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.278477][ T10] ipv6_add_addr+0x411/0x2000 [ 912.278477][ T10] inet6_addr_add+0x30e/0xa40 [ 912.278477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.278477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.278477][ T10] netlink_rcv_skb+0x130/0x360 [ 912.278477][ T10] netlink_unicast+0x449/0x710 [ 912.278477][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.278477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.278477][ T10] ___sys_sendmsg+0xee/0x170 [ 912.278477][ T10] __sys_sendmsg+0xcd/0x170 [ 912.278477][ T10] do_syscall_64+0xc6/0x1e0 [ 912.278477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.278477][ T10] [ 912.280475][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 912.280475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.280475][ T10] ipv6_find_idev+0x102/0x170 [ 912.280475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.280475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.280475][ T10] netlink_rcv_skb+0x130/0x360 [ 912.280475][ T10] netlink_unicast+0x449/0x710 [ 912.280475][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.280475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.280475][ T10] ___sys_sendmsg+0xee/0x170 [ 912.280475][ T10] __sys_sendmsg+0xcd/0x170 [ 912.280475][ T10] do_syscall_64+0xc6/0x1e0 [ 912.280475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.280475][ T10] [ 912.281999][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 912.281999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.281999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.281999][ T10] ipv6_find_idev+0x102/0x170 [ 912.281999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.281999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.281999][ T10] netlink_rcv_skb+0x130/0x360 [ 912.281999][ T10] netlink_unicast+0x449/0x710 [ 912.281999][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.281999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.281999][ T10] ___sys_sendmsg+0xee/0x170 [ 912.281999][ T10] __sys_sendmsg+0xcd/0x170 [ 912.281999][ T10] do_syscall_64+0xc6/0x1e0 [ 912.281999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.281999][ T10] [ 912.283704][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 912.284405][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 912.284405][ T10] netdev_get_by_index+0x5e/0x80 [ 912.284405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.284405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.284405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.284405][ T10] ipv6_add_addr+0x411/0x2000 [ 912.284405][ T10] inet6_addr_add+0x30e/0xa40 [ 912.284405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.284405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.284405][ T10] netlink_rcv_skb+0x130/0x360 [ 912.284405][ T10] netlink_unicast+0x449/0x710 [ 912.284405][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.284405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.284405][ T10] ___sys_sendmsg+0xee/0x170 [ 912.284405][ T10] __sys_sendmsg+0xcd/0x170 [ 912.284405][ T10] do_syscall_64+0xc6/0x1e0 [ 912.284405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.284405][ T10] [ 912.286482][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 912.286482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.286482][ T10] ipv6_find_idev+0x102/0x170 [ 912.286482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.286482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.286482][ T10] netlink_rcv_skb+0x130/0x360 [ 912.286482][ T10] netlink_unicast+0x449/0x710 [ 912.286482][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.286482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.286482][ T10] ___sys_sendmsg+0xee/0x170 [ 912.286482][ T10] __sys_sendmsg+0xcd/0x170 [ 912.286482][ T10] do_syscall_64+0xc6/0x1e0 [ 912.286482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.286482][ T10] [ 912.288164][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 912.288164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.288164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.288164][ T10] ipv6_find_idev+0x102/0x170 [ 912.288164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.288164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.288164][ T10] netlink_rcv_skb+0x130/0x360 [ 912.288164][ T10] netlink_unicast+0x449/0x710 [ 912.288164][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.288164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.288164][ T10] ___sys_sendmsg+0xee/0x170 [ 912.288164][ T10] __sys_sendmsg+0xcd/0x170 [ 912.288164][ T10] do_syscall_64+0xc6/0x1e0 [ 912.288164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.288164][ T10] [ 912.290070][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 912.290393][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 912.290393][ T10] netdev_get_by_index+0x5e/0x80 [ 912.290393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.290393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.290393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.290393][ T10] ipv6_add_addr+0x411/0x2000 [ 912.290393][ T10] inet6_addr_add+0x30e/0xa40 [ 912.290393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.290393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.290393][ T10] netlink_rcv_skb+0x130/0x360 [ 912.290393][ T10] netlink_unicast+0x449/0x710 [ 912.290393][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.290393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.290393][ T10] ___sys_sendmsg+0xee/0x170 [ 912.290393][ T10] __sys_sendmsg+0xcd/0x170 [ 912.290393][ T10] do_syscall_64+0xc6/0x1e0 [ 912.290393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.290393][ T10] [ 912.292386][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 912.292386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.292386][ T10] ipv6_find_idev+0x102/0x170 [ 912.292386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.292386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.292386][ T10] netlink_rcv_skb+0x130/0x360 [ 912.292386][ T10] netlink_unicast+0x449/0x710 [ 912.292386][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.292386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.292386][ T10] ___sys_sendmsg+0xee/0x170 [ 912.292386][ T10] __sys_sendmsg+0xcd/0x170 [ 912.292386][ T10] do_syscall_64+0xc6/0x1e0 [ 912.292386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.292386][ T10] [ 912.293972][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 912.293972][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.293972][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.293972][ T10] ipv6_find_idev+0x102/0x170 [ 912.293972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.293972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.293972][ T10] netlink_rcv_skb+0x130/0x360 [ 912.293972][ T10] netlink_unicast+0x449/0x710 [ 912.293972][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.293972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.293972][ T10] ___sys_sendmsg+0xee/0x170 [ 912.293972][ T10] __sys_sendmsg+0xcd/0x170 [ 912.293972][ T10] do_syscall_64+0xc6/0x1e0 [ 912.293972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.293972][ T10] [ 912.295692][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 912.296008][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 912.296008][ T10] netdev_get_by_index+0x5e/0x80 [ 912.296008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.296008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.296008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.296008][ T10] ipv6_add_addr+0x411/0x2000 [ 912.296008][ T10] inet6_addr_add+0x30e/0xa40 [ 912.296008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.296008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.296008][ T10] netlink_rcv_skb+0x130/0x360 [ 912.296008][ T10] netlink_unicast+0x449/0x710 [ 912.296008][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.296008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.296008][ T10] ___sys_sendmsg+0xee/0x170 [ 912.296008][ T10] __sys_sendmsg+0xcd/0x170 [ 912.296008][ T10] do_syscall_64+0xc6/0x1e0 [ 912.296008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.296008][ T10] [ 912.298039][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 912.298039][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.298039][ T10] ipv6_find_idev+0x102/0x170 [ 912.298039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.298039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.298039][ T10] netlink_rcv_skb+0x130/0x360 [ 912.298039][ T10] netlink_unicast+0x449/0x710 [ 912.298039][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.298039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.298039][ T10] ___sys_sendmsg+0xee/0x170 [ 912.298039][ T10] __sys_sendmsg+0xcd/0x170 [ 912.298039][ T10] do_syscall_64+0xc6/0x1e0 [ 912.298039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.298039][ T10] [ 912.299798][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 912.299798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.299798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.299798][ T10] ipv6_find_idev+0x102/0x170 [ 912.299798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.299798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.299798][ T10] netlink_rcv_skb+0x130/0x360 [ 912.299798][ T10] netlink_unicast+0x449/0x710 [ 912.299798][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.299798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.299798][ T10] ___sys_sendmsg+0xee/0x170 [ 912.299798][ T10] __sys_sendmsg+0xcd/0x170 [ 912.299798][ T10] do_syscall_64+0xc6/0x1e0 [ 912.299798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.299798][ T10] [ 912.301734][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 912.302069][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 912.302069][ T10] netdev_get_by_index+0x5e/0x80 [ 912.302069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.302069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.302069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.302069][ T10] ipv6_add_addr+0x411/0x2000 [ 912.302069][ T10] inet6_addr_add+0x30e/0xa40 [ 912.302069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.302069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.302069][ T10] netlink_rcv_skb+0x130/0x360 [ 912.302069][ T10] netlink_unicast+0x449/0x710 [ 912.302069][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.302069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.302069][ T10] ___sys_sendmsg+0xee/0x170 [ 912.302069][ T10] __sys_sendmsg+0xcd/0x170 [ 912.302069][ T10] do_syscall_64+0xc6/0x1e0 [ 912.302069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.302069][ T10] [ 912.304194][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 912.304194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.304194][ T10] ipv6_find_idev+0x102/0x170 [ 912.304194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.304194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.304194][ T10] netlink_rcv_skb+0x130/0x360 [ 912.304194][ T10] netlink_unicast+0x449/0x710 [ 912.304194][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.304194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.304194][ T10] ___sys_sendmsg+0xee/0x170 [ 912.304194][ T10] __sys_sendmsg+0xcd/0x170 [ 912.304194][ T10] do_syscall_64+0xc6/0x1e0 [ 912.304194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.304194][ T10] [ 912.305788][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 912.305788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.305788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.305788][ T10] ipv6_find_idev+0x102/0x170 [ 912.305788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.305788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.305788][ T10] netlink_rcv_skb+0x130/0x360 [ 912.305788][ T10] netlink_unicast+0x449/0x710 [ 912.305788][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.305788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.305788][ T10] ___sys_sendmsg+0xee/0x170 [ 912.305788][ T10] __sys_sendmsg+0xcd/0x170 [ 912.305788][ T10] do_syscall_64+0xc6/0x1e0 [ 912.305788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.305788][ T10] [ 912.307635][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 912.307985][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 912.307985][ T10] netdev_get_by_index+0x5e/0x80 [ 912.307985][ T10] fib6_nh_init+0x3d8/0x15b0 [ 912.307985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 912.307985][ T10] addrconf_f6i_alloc+0x244/0x410 [ 912.307985][ T10] ipv6_add_addr+0x411/0x2000 [ 912.307985][ T10] inet6_addr_add+0x30e/0xa40 [ 912.307985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 912.307985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.307985][ T10] netlink_rcv_skb+0x130/0x360 [ 912.307985][ T10] netlink_unicast+0x449/0x710 [ 912.307985][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.307985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.307985][ T10] ___sys_sendmsg+0xee/0x170 [ 912.307985][ T10] __sys_sendmsg+0xcd/0x170 [ 912.307985][ T10] do_syscall_64+0xc6/0x1e0 [ 912.307985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.307985][ T10] [ 912.310141][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 912.310141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 912.310141][ T10] ipv6_find_idev+0x102/0x170 [ 912.310141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.310141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.310141][ T10] netlink_rcv_skb+0x130/0x360 [ 912.310141][ T10] netlink_unicast+0x449/0x710 [ 912.310141][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.310141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.310141][ T10] ___sys_sendmsg+0xee/0x170 [ 912.310141][ T10] __sys_sendmsg+0xcd/0x170 [ 912.310141][ T10] do_syscall_64+0xc6/0x1e0 [ 912.310141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.310141][ T10] [ 912.311734][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 912.311734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 912.311734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 912.311734][ T10] ipv6_find_idev+0x102/0x170 [ 912.311734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 912.311734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 912.311734][ T10] netlink_rcv_skb+0x130/0x360 [ 912.311734][ T10] netlink_unicast+0x449/0x710 [ 912.311734][ T10] netlink_sendmsg+0x723/0xbe0 [ 912.311734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 912.311734][ T10] ___sys_sendmsg+0xee/0x170 [ 912.311734][ T10] __sys_sendmsg+0xcd/0x170 [ 912.311734][ T10] do_syscall_64+0xc6/0x1e0 [ 912.311734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 912.311734][ T10] [ 922.411055][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 922.411490][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 922.411490][ T10] netdev_get_by_index+0x5e/0x80 [ 922.411490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.411490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.411490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.411490][ T10] ipv6_add_addr+0x411/0x2000 [ 922.411490][ T10] inet6_addr_add+0x30e/0xa40 [ 922.411490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.411490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.411490][ T10] netlink_rcv_skb+0x130/0x360 [ 922.411490][ T10] netlink_unicast+0x449/0x710 [ 922.411490][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.411490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.411490][ T10] ___sys_sendmsg+0xee/0x170 [ 922.411490][ T10] __sys_sendmsg+0xcd/0x170 [ 922.411490][ T10] do_syscall_64+0xc6/0x1e0 [ 922.411490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.411490][ T10] [ 922.413479][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 922.413479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.413479][ T10] ipv6_find_idev+0x102/0x170 [ 922.413479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.413479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.413479][ T10] netlink_rcv_skb+0x130/0x360 [ 922.413479][ T10] netlink_unicast+0x449/0x710 [ 922.413479][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.413479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.413479][ T10] ___sys_sendmsg+0xee/0x170 [ 922.413479][ T10] __sys_sendmsg+0xcd/0x170 [ 922.413479][ T10] do_syscall_64+0xc6/0x1e0 [ 922.413479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.413479][ T10] [ 922.415106][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 922.415106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.415106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.415106][ T10] ipv6_find_idev+0x102/0x170 [ 922.415106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.415106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.415106][ T10] netlink_rcv_skb+0x130/0x360 [ 922.415106][ T10] netlink_unicast+0x449/0x710 [ 922.415106][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.415106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.415106][ T10] ___sys_sendmsg+0xee/0x170 [ 922.415106][ T10] __sys_sendmsg+0xcd/0x170 [ 922.415106][ T10] do_syscall_64+0xc6/0x1e0 [ 922.415106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.415106][ T10] [ 922.416914][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 922.417208][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 922.417208][ T10] netdev_get_by_index+0x5e/0x80 [ 922.417208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.417208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.417208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.417208][ T10] ipv6_add_addr+0x411/0x2000 [ 922.417208][ T10] inet6_addr_add+0x30e/0xa40 [ 922.417208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.417208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.417208][ T10] netlink_rcv_skb+0x130/0x360 [ 922.417208][ T10] netlink_unicast+0x449/0x710 [ 922.417208][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.417208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.417208][ T10] ___sys_sendmsg+0xee/0x170 [ 922.417208][ T10] __sys_sendmsg+0xcd/0x170 [ 922.417208][ T10] do_syscall_64+0xc6/0x1e0 [ 922.417208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.417208][ T10] [ 922.419174][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 922.419174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.419174][ T10] ipv6_find_idev+0x102/0x170 [ 922.419174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.419174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.419174][ T10] netlink_rcv_skb+0x130/0x360 [ 922.419174][ T10] netlink_unicast+0x449/0x710 [ 922.419174][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.419174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.419174][ T10] ___sys_sendmsg+0xee/0x170 [ 922.419174][ T10] __sys_sendmsg+0xcd/0x170 [ 922.419174][ T10] do_syscall_64+0xc6/0x1e0 [ 922.419174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.419174][ T10] [ 922.420685][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 922.420685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.420685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.420685][ T10] ipv6_find_idev+0x102/0x170 [ 922.420685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.420685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.420685][ T10] netlink_rcv_skb+0x130/0x360 [ 922.420685][ T10] netlink_unicast+0x449/0x710 [ 922.420685][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.420685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.420685][ T10] ___sys_sendmsg+0xee/0x170 [ 922.420685][ T10] __sys_sendmsg+0xcd/0x170 [ 922.420685][ T10] do_syscall_64+0xc6/0x1e0 [ 922.420685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.420685][ T10] [ 922.422328][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 922.422593][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 922.422593][ T10] netdev_get_by_index+0x5e/0x80 [ 922.422593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.422593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.422593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.422593][ T10] ipv6_add_addr+0x411/0x2000 [ 922.422593][ T10] inet6_addr_add+0x30e/0xa40 [ 922.422593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.422593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.422593][ T10] netlink_rcv_skb+0x130/0x360 [ 922.422593][ T10] netlink_unicast+0x449/0x710 [ 922.422593][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.422593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.422593][ T10] ___sys_sendmsg+0xee/0x170 [ 922.422593][ T10] __sys_sendmsg+0xcd/0x170 [ 922.422593][ T10] do_syscall_64+0xc6/0x1e0 [ 922.422593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.422593][ T10] [ 922.424557][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 922.424557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.424557][ T10] ipv6_find_idev+0x102/0x170 [ 922.424557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.424557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.424557][ T10] netlink_rcv_skb+0x130/0x360 [ 922.424557][ T10] netlink_unicast+0x449/0x710 [ 922.424557][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.424557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.424557][ T10] ___sys_sendmsg+0xee/0x170 [ 922.424557][ T10] __sys_sendmsg+0xcd/0x170 [ 922.424557][ T10] do_syscall_64+0xc6/0x1e0 [ 922.424557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.424557][ T10] [ 922.426059][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 922.426059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.426059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.426059][ T10] ipv6_find_idev+0x102/0x170 [ 922.426059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.426059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.426059][ T10] netlink_rcv_skb+0x130/0x360 [ 922.426059][ T10] netlink_unicast+0x449/0x710 [ 922.426059][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.426059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.426059][ T10] ___sys_sendmsg+0xee/0x170 [ 922.426059][ T10] __sys_sendmsg+0xcd/0x170 [ 922.426059][ T10] do_syscall_64+0xc6/0x1e0 [ 922.426059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.426059][ T10] [ 922.427701][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 922.428395][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 922.428395][ T10] netdev_get_by_index+0x5e/0x80 [ 922.428395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.428395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.428395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.428395][ T10] ipv6_add_addr+0x411/0x2000 [ 922.428395][ T10] inet6_addr_add+0x30e/0xa40 [ 922.428395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.428395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.428395][ T10] netlink_rcv_skb+0x130/0x360 [ 922.428395][ T10] netlink_unicast+0x449/0x710 [ 922.428395][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.428395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.428395][ T10] ___sys_sendmsg+0xee/0x170 [ 922.428395][ T10] __sys_sendmsg+0xcd/0x170 [ 922.428395][ T10] do_syscall_64+0xc6/0x1e0 [ 922.428395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.428395][ T10] [ 922.430353][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 922.430353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.430353][ T10] ipv6_find_idev+0x102/0x170 [ 922.430353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.430353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.430353][ T10] netlink_rcv_skb+0x130/0x360 [ 922.430353][ T10] netlink_unicast+0x449/0x710 [ 922.430353][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.430353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.430353][ T10] ___sys_sendmsg+0xee/0x170 [ 922.430353][ T10] __sys_sendmsg+0xcd/0x170 [ 922.430353][ T10] do_syscall_64+0xc6/0x1e0 [ 922.430353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.430353][ T10] [ 922.431851][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 922.431851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.431851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.431851][ T10] ipv6_find_idev+0x102/0x170 [ 922.431851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.431851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.431851][ T10] netlink_rcv_skb+0x130/0x360 [ 922.431851][ T10] netlink_unicast+0x449/0x710 [ 922.431851][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.431851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.431851][ T10] ___sys_sendmsg+0xee/0x170 [ 922.431851][ T10] __sys_sendmsg+0xcd/0x170 [ 922.431851][ T10] do_syscall_64+0xc6/0x1e0 [ 922.431851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.431851][ T10] [ 922.433539][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 922.433797][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 922.433797][ T10] netdev_get_by_index+0x5e/0x80 [ 922.433797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.433797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.433797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.433797][ T10] ipv6_add_addr+0x411/0x2000 [ 922.433797][ T10] inet6_addr_add+0x30e/0xa40 [ 922.433797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.433797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.433797][ T10] netlink_rcv_skb+0x130/0x360 [ 922.433797][ T10] netlink_unicast+0x449/0x710 [ 922.433797][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.433797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.433797][ T10] ___sys_sendmsg+0xee/0x170 [ 922.433797][ T10] __sys_sendmsg+0xcd/0x170 [ 922.433797][ T10] do_syscall_64+0xc6/0x1e0 [ 922.433797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.433797][ T10] [ 922.435746][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 922.435746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.435746][ T10] ipv6_find_idev+0x102/0x170 [ 922.435746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.435746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.435746][ T10] netlink_rcv_skb+0x130/0x360 [ 922.435746][ T10] netlink_unicast+0x449/0x710 [ 922.435746][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.435746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.435746][ T10] ___sys_sendmsg+0xee/0x170 [ 922.435746][ T10] __sys_sendmsg+0xcd/0x170 [ 922.435746][ T10] do_syscall_64+0xc6/0x1e0 [ 922.435746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.435746][ T10] [ 922.437253][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 922.437253][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.437253][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.437253][ T10] ipv6_find_idev+0x102/0x170 [ 922.437253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.437253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.437253][ T10] netlink_rcv_skb+0x130/0x360 [ 922.437253][ T10] netlink_unicast+0x449/0x710 [ 922.437253][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.437253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.437253][ T10] ___sys_sendmsg+0xee/0x170 [ 922.437253][ T10] __sys_sendmsg+0xcd/0x170 [ 922.437253][ T10] do_syscall_64+0xc6/0x1e0 [ 922.437253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.437253][ T10] [ 922.438939][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 922.439198][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 922.439198][ T10] netdev_get_by_index+0x5e/0x80 [ 922.439198][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.439198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.439198][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.439198][ T10] ipv6_add_addr+0x411/0x2000 [ 922.439198][ T10] inet6_addr_add+0x30e/0xa40 [ 922.439198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.439198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.439198][ T10] netlink_rcv_skb+0x130/0x360 [ 922.439198][ T10] netlink_unicast+0x449/0x710 [ 922.439198][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.439198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.439198][ T10] ___sys_sendmsg+0xee/0x170 [ 922.439198][ T10] __sys_sendmsg+0xcd/0x170 [ 922.439198][ T10] do_syscall_64+0xc6/0x1e0 [ 922.439198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.439198][ T10] [ 922.441299][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 922.441299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.441299][ T10] ipv6_find_idev+0x102/0x170 [ 922.441299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.441299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.441299][ T10] netlink_rcv_skb+0x130/0x360 [ 922.441299][ T10] netlink_unicast+0x449/0x710 [ 922.441299][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.441299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.441299][ T10] ___sys_sendmsg+0xee/0x170 [ 922.441299][ T10] __sys_sendmsg+0xcd/0x170 [ 922.441299][ T10] do_syscall_64+0xc6/0x1e0 [ 922.441299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.441299][ T10] [ 922.443047][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 922.443047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.443047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.443047][ T10] ipv6_find_idev+0x102/0x170 [ 922.443047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.443047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.443047][ T10] netlink_rcv_skb+0x130/0x360 [ 922.443047][ T10] netlink_unicast+0x449/0x710 [ 922.443047][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.443047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.443047][ T10] ___sys_sendmsg+0xee/0x170 [ 922.443047][ T10] __sys_sendmsg+0xcd/0x170 [ 922.443047][ T10] do_syscall_64+0xc6/0x1e0 [ 922.443047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.443047][ T10] [ 922.444919][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 922.445176][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 922.445176][ T10] netdev_get_by_index+0x5e/0x80 [ 922.445176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.445176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.445176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.445176][ T10] ipv6_add_addr+0x411/0x2000 [ 922.445176][ T10] inet6_addr_add+0x30e/0xa40 [ 922.445176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.445176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.445176][ T10] netlink_rcv_skb+0x130/0x360 [ 922.445176][ T10] netlink_unicast+0x449/0x710 [ 922.445176][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.445176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.445176][ T10] ___sys_sendmsg+0xee/0x170 [ 922.445176][ T10] __sys_sendmsg+0xcd/0x170 [ 922.445176][ T10] do_syscall_64+0xc6/0x1e0 [ 922.445176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.445176][ T10] [ 922.447364][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 922.447364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.447364][ T10] ipv6_find_idev+0x102/0x170 [ 922.447364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.447364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.447364][ T10] netlink_rcv_skb+0x130/0x360 [ 922.447364][ T10] netlink_unicast+0x449/0x710 [ 922.447364][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.447364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.447364][ T10] ___sys_sendmsg+0xee/0x170 [ 922.447364][ T10] __sys_sendmsg+0xcd/0x170 [ 922.447364][ T10] do_syscall_64+0xc6/0x1e0 [ 922.447364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.447364][ T10] [ 922.449060][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 922.449060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.449060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.449060][ T10] ipv6_find_idev+0x102/0x170 [ 922.449060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.449060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.449060][ T10] netlink_rcv_skb+0x130/0x360 [ 922.449060][ T10] netlink_unicast+0x449/0x710 [ 922.449060][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.449060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.449060][ T10] ___sys_sendmsg+0xee/0x170 [ 922.449060][ T10] __sys_sendmsg+0xcd/0x170 [ 922.449060][ T10] do_syscall_64+0xc6/0x1e0 [ 922.449060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.449060][ T10] [ 922.450922][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 922.451226][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 922.451226][ T10] netdev_get_by_index+0x5e/0x80 [ 922.451226][ T10] fib6_nh_init+0x3d8/0x15b0 [ 922.451226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 922.451226][ T10] addrconf_f6i_alloc+0x244/0x410 [ 922.451226][ T10] ipv6_add_addr+0x411/0x2000 [ 922.451226][ T10] inet6_addr_add+0x30e/0xa40 [ 922.451226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 922.451226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.451226][ T10] netlink_rcv_skb+0x130/0x360 [ 922.451226][ T10] netlink_unicast+0x449/0x710 [ 922.451226][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.451226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.451226][ T10] ___sys_sendmsg+0xee/0x170 [ 922.451226][ T10] __sys_sendmsg+0xcd/0x170 [ 922.451226][ T10] do_syscall_64+0xc6/0x1e0 [ 922.451226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.451226][ T10] [ 922.453423][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 922.453423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 922.453423][ T10] ipv6_find_idev+0x102/0x170 [ 922.453423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.453423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.453423][ T10] netlink_rcv_skb+0x130/0x360 [ 922.453423][ T10] netlink_unicast+0x449/0x710 [ 922.453423][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.453423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.453423][ T10] ___sys_sendmsg+0xee/0x170 [ 922.453423][ T10] __sys_sendmsg+0xcd/0x170 [ 922.453423][ T10] do_syscall_64+0xc6/0x1e0 [ 922.453423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.453423][ T10] [ 922.455109][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 922.455109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 922.455109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 922.455109][ T10] ipv6_find_idev+0x102/0x170 [ 922.455109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 922.455109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 922.455109][ T10] netlink_rcv_skb+0x130/0x360 [ 922.455109][ T10] netlink_unicast+0x449/0x710 [ 922.455109][ T10] netlink_sendmsg+0x723/0xbe0 [ 922.455109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 922.455109][ T10] ___sys_sendmsg+0xee/0x170 [ 922.455109][ T10] __sys_sendmsg+0xcd/0x170 [ 922.455109][ T10] do_syscall_64+0xc6/0x1e0 [ 922.455109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 922.455109][ T10] [ 932.706938][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 932.707341][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 932.707341][ T10] netdev_get_by_index+0x5e/0x80 [ 932.707341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.707341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.707341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.707341][ T10] ipv6_add_addr+0x411/0x2000 [ 932.707341][ T10] inet6_addr_add+0x30e/0xa40 [ 932.707341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.707341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.707341][ T10] netlink_rcv_skb+0x130/0x360 [ 932.707341][ T10] netlink_unicast+0x449/0x710 [ 932.707341][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.707341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.707341][ T10] ___sys_sendmsg+0xee/0x170 [ 932.707341][ T10] __sys_sendmsg+0xcd/0x170 [ 932.707341][ T10] do_syscall_64+0xc6/0x1e0 [ 932.707341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.707341][ T10] [ 932.709407][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 932.709407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.709407][ T10] ipv6_find_idev+0x102/0x170 [ 932.709407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.709407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.709407][ T10] netlink_rcv_skb+0x130/0x360 [ 932.709407][ T10] netlink_unicast+0x449/0x710 [ 932.709407][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.709407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.709407][ T10] ___sys_sendmsg+0xee/0x170 [ 932.709407][ T10] __sys_sendmsg+0xcd/0x170 [ 932.709407][ T10] do_syscall_64+0xc6/0x1e0 [ 932.709407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.709407][ T10] [ 932.711017][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 932.711017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.711017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.711017][ T10] ipv6_find_idev+0x102/0x170 [ 932.711017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.711017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.711017][ T10] netlink_rcv_skb+0x130/0x360 [ 932.711017][ T10] netlink_unicast+0x449/0x710 [ 932.711017][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.711017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.711017][ T10] ___sys_sendmsg+0xee/0x170 [ 932.711017][ T10] __sys_sendmsg+0xcd/0x170 [ 932.711017][ T10] do_syscall_64+0xc6/0x1e0 [ 932.711017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.711017][ T10] [ 932.712784][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 932.713067][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 932.713067][ T10] netdev_get_by_index+0x5e/0x80 [ 932.713067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.713067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.713067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.713067][ T10] ipv6_add_addr+0x411/0x2000 [ 932.713067][ T10] inet6_addr_add+0x30e/0xa40 [ 932.713067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.713067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.713067][ T10] netlink_rcv_skb+0x130/0x360 [ 932.713067][ T10] netlink_unicast+0x449/0x710 [ 932.713067][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.713067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.713067][ T10] ___sys_sendmsg+0xee/0x170 [ 932.713067][ T10] __sys_sendmsg+0xcd/0x170 [ 932.713067][ T10] do_syscall_64+0xc6/0x1e0 [ 932.713067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.713067][ T10] [ 932.715094][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 932.715094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.715094][ T10] ipv6_find_idev+0x102/0x170 [ 932.715094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.715094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.715094][ T10] netlink_rcv_skb+0x130/0x360 [ 932.715094][ T10] netlink_unicast+0x449/0x710 [ 932.715094][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.715094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.715094][ T10] ___sys_sendmsg+0xee/0x170 [ 932.715094][ T10] __sys_sendmsg+0xcd/0x170 [ 932.715094][ T10] do_syscall_64+0xc6/0x1e0 [ 932.715094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.715094][ T10] [ 932.716644][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 932.716644][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.716644][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.716644][ T10] ipv6_find_idev+0x102/0x170 [ 932.716644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.716644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.716644][ T10] netlink_rcv_skb+0x130/0x360 [ 932.716644][ T10] netlink_unicast+0x449/0x710 [ 932.716644][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.716644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.716644][ T10] ___sys_sendmsg+0xee/0x170 [ 932.716644][ T10] __sys_sendmsg+0xcd/0x170 [ 932.716644][ T10] do_syscall_64+0xc6/0x1e0 [ 932.716644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.716644][ T10] [ 932.718302][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 932.718565][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 932.718565][ T10] netdev_get_by_index+0x5e/0x80 [ 932.718565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.718565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.718565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.718565][ T10] ipv6_add_addr+0x411/0x2000 [ 932.718565][ T10] inet6_addr_add+0x30e/0xa40 [ 932.718565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.718565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.718565][ T10] netlink_rcv_skb+0x130/0x360 [ 932.718565][ T10] netlink_unicast+0x449/0x710 [ 932.718565][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.718565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.718565][ T10] ___sys_sendmsg+0xee/0x170 [ 932.718565][ T10] __sys_sendmsg+0xcd/0x170 [ 932.718565][ T10] do_syscall_64+0xc6/0x1e0 [ 932.718565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.718565][ T10] [ 932.720526][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 932.720526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.720526][ T10] ipv6_find_idev+0x102/0x170 [ 932.720526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.720526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.720526][ T10] netlink_rcv_skb+0x130/0x360 [ 932.720526][ T10] netlink_unicast+0x449/0x710 [ 932.720526][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.720526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.720526][ T10] ___sys_sendmsg+0xee/0x170 [ 932.720526][ T10] __sys_sendmsg+0xcd/0x170 [ 932.720526][ T10] do_syscall_64+0xc6/0x1e0 [ 932.720526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.720526][ T10] [ 932.722135][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 932.722135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.722135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.722135][ T10] ipv6_find_idev+0x102/0x170 [ 932.722135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.722135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.722135][ T10] netlink_rcv_skb+0x130/0x360 [ 932.722135][ T10] netlink_unicast+0x449/0x710 [ 932.722135][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.722135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.722135][ T10] ___sys_sendmsg+0xee/0x170 [ 932.722135][ T10] __sys_sendmsg+0xcd/0x170 [ 932.722135][ T10] do_syscall_64+0xc6/0x1e0 [ 932.722135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.722135][ T10] [ 932.723830][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 932.724536][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 932.724536][ T10] netdev_get_by_index+0x5e/0x80 [ 932.724536][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.724536][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.724536][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.724536][ T10] ipv6_add_addr+0x411/0x2000 [ 932.724536][ T10] inet6_addr_add+0x30e/0xa40 [ 932.724536][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.724536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.724536][ T10] netlink_rcv_skb+0x130/0x360 [ 932.724536][ T10] netlink_unicast+0x449/0x710 [ 932.724536][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.724536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.724536][ T10] ___sys_sendmsg+0xee/0x170 [ 932.724536][ T10] __sys_sendmsg+0xcd/0x170 [ 932.724536][ T10] do_syscall_64+0xc6/0x1e0 [ 932.724536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.724536][ T10] [ 932.726501][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 932.726501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.726501][ T10] ipv6_find_idev+0x102/0x170 [ 932.726501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.726501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.726501][ T10] netlink_rcv_skb+0x130/0x360 [ 932.726501][ T10] netlink_unicast+0x449/0x710 [ 932.726501][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.726501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.726501][ T10] ___sys_sendmsg+0xee/0x170 [ 932.726501][ T10] __sys_sendmsg+0xcd/0x170 [ 932.726501][ T10] do_syscall_64+0xc6/0x1e0 [ 932.726501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.726501][ T10] [ 932.728057][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 932.728057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.728057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.728057][ T10] ipv6_find_idev+0x102/0x170 [ 932.728057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.728057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.728057][ T10] netlink_rcv_skb+0x130/0x360 [ 932.728057][ T10] netlink_unicast+0x449/0x710 [ 932.728057][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.728057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.728057][ T10] ___sys_sendmsg+0xee/0x170 [ 932.728057][ T10] __sys_sendmsg+0xcd/0x170 [ 932.728057][ T10] do_syscall_64+0xc6/0x1e0 [ 932.728057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.728057][ T10] [ 932.729828][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 932.730154][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 932.730154][ T10] netdev_get_by_index+0x5e/0x80 [ 932.730154][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.730154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.730154][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.730154][ T10] ipv6_add_addr+0x411/0x2000 [ 932.730154][ T10] inet6_addr_add+0x30e/0xa40 [ 932.730154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.730154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.730154][ T10] netlink_rcv_skb+0x130/0x360 [ 932.730154][ T10] netlink_unicast+0x449/0x710 [ 932.730154][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.730154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.730154][ T10] ___sys_sendmsg+0xee/0x170 [ 932.730154][ T10] __sys_sendmsg+0xcd/0x170 [ 932.730154][ T10] do_syscall_64+0xc6/0x1e0 [ 932.730154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.730154][ T10] [ 932.732613][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 932.732613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.732613][ T10] ipv6_find_idev+0x102/0x170 [ 932.732613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.732613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.732613][ T10] netlink_rcv_skb+0x130/0x360 [ 932.732613][ T10] netlink_unicast+0x449/0x710 [ 932.732613][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.732613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.732613][ T10] ___sys_sendmsg+0xee/0x170 [ 932.732613][ T10] __sys_sendmsg+0xcd/0x170 [ 932.732613][ T10] do_syscall_64+0xc6/0x1e0 [ 932.732613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.732613][ T10] [ 932.734221][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 932.734221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.734221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.734221][ T10] ipv6_find_idev+0x102/0x170 [ 932.734221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.734221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.734221][ T10] netlink_rcv_skb+0x130/0x360 [ 932.734221][ T10] netlink_unicast+0x449/0x710 [ 932.734221][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.734221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.734221][ T10] ___sys_sendmsg+0xee/0x170 [ 932.734221][ T10] __sys_sendmsg+0xcd/0x170 [ 932.734221][ T10] do_syscall_64+0xc6/0x1e0 [ 932.734221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.734221][ T10] [ 932.736040][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 932.736317][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 932.736317][ T10] netdev_get_by_index+0x5e/0x80 [ 932.736317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.736317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.736317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.736317][ T10] ipv6_add_addr+0x411/0x2000 [ 932.736317][ T10] inet6_addr_add+0x30e/0xa40 [ 932.736317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.736317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.736317][ T10] netlink_rcv_skb+0x130/0x360 [ 932.736317][ T10] netlink_unicast+0x449/0x710 [ 932.736317][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.736317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.736317][ T10] ___sys_sendmsg+0xee/0x170 [ 932.736317][ T10] __sys_sendmsg+0xcd/0x170 [ 932.736317][ T10] do_syscall_64+0xc6/0x1e0 [ 932.736317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.736317][ T10] [ 932.738512][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 932.738512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.738512][ T10] ipv6_find_idev+0x102/0x170 [ 932.738512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.738512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.738512][ T10] netlink_rcv_skb+0x130/0x360 [ 932.738512][ T10] netlink_unicast+0x449/0x710 [ 932.738512][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.738512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.738512][ T10] ___sys_sendmsg+0xee/0x170 [ 932.738512][ T10] __sys_sendmsg+0xcd/0x170 [ 932.738512][ T10] do_syscall_64+0xc6/0x1e0 [ 932.738512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.738512][ T10] [ 932.740419][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 932.740419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.740419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.740419][ T10] ipv6_find_idev+0x102/0x170 [ 932.740419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.740419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.740419][ T10] netlink_rcv_skb+0x130/0x360 [ 932.740419][ T10] netlink_unicast+0x449/0x710 [ 932.740419][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.740419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.740419][ T10] ___sys_sendmsg+0xee/0x170 [ 932.740419][ T10] __sys_sendmsg+0xcd/0x170 [ 932.740419][ T10] do_syscall_64+0xc6/0x1e0 [ 932.740419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.740419][ T10] [ 932.742694][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 932.743016][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 932.743016][ T10] netdev_get_by_index+0x5e/0x80 [ 932.743016][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.743016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.743016][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.743016][ T10] ipv6_add_addr+0x411/0x2000 [ 932.743016][ T10] inet6_addr_add+0x30e/0xa40 [ 932.743016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.743016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.743016][ T10] netlink_rcv_skb+0x130/0x360 [ 932.743016][ T10] netlink_unicast+0x449/0x710 [ 932.743016][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.743016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.743016][ T10] ___sys_sendmsg+0xee/0x170 [ 932.743016][ T10] __sys_sendmsg+0xcd/0x170 [ 932.743016][ T10] do_syscall_64+0xc6/0x1e0 [ 932.743016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.743016][ T10] [ 932.745102][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 932.745102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.745102][ T10] ipv6_find_idev+0x102/0x170 [ 932.745102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.745102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.745102][ T10] netlink_rcv_skb+0x130/0x360 [ 932.745102][ T10] netlink_unicast+0x449/0x710 [ 932.745102][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.745102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.745102][ T10] ___sys_sendmsg+0xee/0x170 [ 932.745102][ T10] __sys_sendmsg+0xcd/0x170 [ 932.745102][ T10] do_syscall_64+0xc6/0x1e0 [ 932.745102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.745102][ T10] [ 932.746787][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 932.746787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.746787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.746787][ T10] ipv6_find_idev+0x102/0x170 [ 932.746787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.746787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.746787][ T10] netlink_rcv_skb+0x130/0x360 [ 932.746787][ T10] netlink_unicast+0x449/0x710 [ 932.746787][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.746787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.746787][ T10] ___sys_sendmsg+0xee/0x170 [ 932.746787][ T10] __sys_sendmsg+0xcd/0x170 [ 932.746787][ T10] do_syscall_64+0xc6/0x1e0 [ 932.746787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.746787][ T10] [ 932.748753][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 932.749080][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 932.749080][ T10] netdev_get_by_index+0x5e/0x80 [ 932.749080][ T10] fib6_nh_init+0x3d8/0x15b0 [ 932.749080][ T10] ip6_route_info_create+0xf18/0x17d0 [ 932.749080][ T10] addrconf_f6i_alloc+0x244/0x410 [ 932.749080][ T10] ipv6_add_addr+0x411/0x2000 [ 932.749080][ T10] inet6_addr_add+0x30e/0xa40 [ 932.749080][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 932.749080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.749080][ T10] netlink_rcv_skb+0x130/0x360 [ 932.749080][ T10] netlink_unicast+0x449/0x710 [ 932.749080][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.749080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.749080][ T10] ___sys_sendmsg+0xee/0x170 [ 932.749080][ T10] __sys_sendmsg+0xcd/0x170 [ 932.749080][ T10] do_syscall_64+0xc6/0x1e0 [ 932.749080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.749080][ T10] [ 932.751215][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 932.751215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 932.751215][ T10] ipv6_find_idev+0x102/0x170 [ 932.751215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.751215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.751215][ T10] netlink_rcv_skb+0x130/0x360 [ 932.751215][ T10] netlink_unicast+0x449/0x710 [ 932.751215][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.751215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.751215][ T10] ___sys_sendmsg+0xee/0x170 [ 932.751215][ T10] __sys_sendmsg+0xcd/0x170 [ 932.751215][ T10] do_syscall_64+0xc6/0x1e0 [ 932.751215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.751215][ T10] [ 932.753012][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 932.753012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 932.753012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 932.753012][ T10] ipv6_find_idev+0x102/0x170 [ 932.753012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 932.753012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 932.753012][ T10] netlink_rcv_skb+0x130/0x360 [ 932.753012][ T10] netlink_unicast+0x449/0x710 [ 932.753012][ T10] netlink_sendmsg+0x723/0xbe0 [ 932.753012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 932.753012][ T10] ___sys_sendmsg+0xee/0x170 [ 932.753012][ T10] __sys_sendmsg+0xcd/0x170 [ 932.753012][ T10] do_syscall_64+0xc6/0x1e0 [ 932.753012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 932.753012][ T10] [ 943.010933][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 943.011429][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 943.011429][ T10] netdev_get_by_index+0x5e/0x80 [ 943.011429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.011429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.011429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.011429][ T10] ipv6_add_addr+0x411/0x2000 [ 943.011429][ T10] inet6_addr_add+0x30e/0xa40 [ 943.011429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.011429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.011429][ T10] netlink_rcv_skb+0x130/0x360 [ 943.011429][ T10] netlink_unicast+0x449/0x710 [ 943.011429][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.011429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.011429][ T10] ___sys_sendmsg+0xee/0x170 [ 943.011429][ T10] __sys_sendmsg+0xcd/0x170 [ 943.011429][ T10] do_syscall_64+0xc6/0x1e0 [ 943.011429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.011429][ T10] [ 943.013562][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 943.013562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.013562][ T10] ipv6_find_idev+0x102/0x170 [ 943.013562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.013562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.013562][ T10] netlink_rcv_skb+0x130/0x360 [ 943.013562][ T10] netlink_unicast+0x449/0x710 [ 943.013562][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.013562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.013562][ T10] ___sys_sendmsg+0xee/0x170 [ 943.013562][ T10] __sys_sendmsg+0xcd/0x170 [ 943.013562][ T10] do_syscall_64+0xc6/0x1e0 [ 943.013562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.013562][ T10] [ 943.015175][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 943.015175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.015175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.015175][ T10] ipv6_find_idev+0x102/0x170 [ 943.015175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.015175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.015175][ T10] netlink_rcv_skb+0x130/0x360 [ 943.015175][ T10] netlink_unicast+0x449/0x710 [ 943.015175][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.015175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.015175][ T10] ___sys_sendmsg+0xee/0x170 [ 943.015175][ T10] __sys_sendmsg+0xcd/0x170 [ 943.015175][ T10] do_syscall_64+0xc6/0x1e0 [ 943.015175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.015175][ T10] [ 943.016890][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 943.017162][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 943.017162][ T10] netdev_get_by_index+0x5e/0x80 [ 943.017162][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.017162][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.017162][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.017162][ T10] ipv6_add_addr+0x411/0x2000 [ 943.017162][ T10] inet6_addr_add+0x30e/0xa40 [ 943.017162][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.017162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.017162][ T10] netlink_rcv_skb+0x130/0x360 [ 943.017162][ T10] netlink_unicast+0x449/0x710 [ 943.017162][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.017162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.017162][ T10] ___sys_sendmsg+0xee/0x170 [ 943.017162][ T10] __sys_sendmsg+0xcd/0x170 [ 943.017162][ T10] do_syscall_64+0xc6/0x1e0 [ 943.017162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.017162][ T10] [ 943.019159][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 943.019159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.019159][ T10] ipv6_find_idev+0x102/0x170 [ 943.019159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.019159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.019159][ T10] netlink_rcv_skb+0x130/0x360 [ 943.019159][ T10] netlink_unicast+0x449/0x710 [ 943.019159][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.019159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.019159][ T10] ___sys_sendmsg+0xee/0x170 [ 943.019159][ T10] __sys_sendmsg+0xcd/0x170 [ 943.019159][ T10] do_syscall_64+0xc6/0x1e0 [ 943.019159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.019159][ T10] [ 943.020688][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 943.020688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.020688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.020688][ T10] ipv6_find_idev+0x102/0x170 [ 943.020688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.020688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.020688][ T10] netlink_rcv_skb+0x130/0x360 [ 943.020688][ T10] netlink_unicast+0x449/0x710 [ 943.020688][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.020688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.020688][ T10] ___sys_sendmsg+0xee/0x170 [ 943.020688][ T10] __sys_sendmsg+0xcd/0x170 [ 943.020688][ T10] do_syscall_64+0xc6/0x1e0 [ 943.020688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.020688][ T10] [ 943.022454][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 943.022728][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 943.022728][ T10] netdev_get_by_index+0x5e/0x80 [ 943.022728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.022728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.022728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.022728][ T10] ipv6_add_addr+0x411/0x2000 [ 943.022728][ T10] inet6_addr_add+0x30e/0xa40 [ 943.022728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.022728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.022728][ T10] netlink_rcv_skb+0x130/0x360 [ 943.022728][ T10] netlink_unicast+0x449/0x710 [ 943.022728][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.022728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.022728][ T10] ___sys_sendmsg+0xee/0x170 [ 943.022728][ T10] __sys_sendmsg+0xcd/0x170 [ 943.022728][ T10] do_syscall_64+0xc6/0x1e0 [ 943.022728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.022728][ T10] [ 943.024816][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 943.024816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.024816][ T10] ipv6_find_idev+0x102/0x170 [ 943.024816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.024816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.024816][ T10] netlink_rcv_skb+0x130/0x360 [ 943.024816][ T10] netlink_unicast+0x449/0x710 [ 943.024816][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.024816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.024816][ T10] ___sys_sendmsg+0xee/0x170 [ 943.024816][ T10] __sys_sendmsg+0xcd/0x170 [ 943.024816][ T10] do_syscall_64+0xc6/0x1e0 [ 943.024816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.024816][ T10] [ 943.026431][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 943.026431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.026431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.026431][ T10] ipv6_find_idev+0x102/0x170 [ 943.026431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.026431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.026431][ T10] netlink_rcv_skb+0x130/0x360 [ 943.026431][ T10] netlink_unicast+0x449/0x710 [ 943.026431][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.026431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.026431][ T10] ___sys_sendmsg+0xee/0x170 [ 943.026431][ T10] __sys_sendmsg+0xcd/0x170 [ 943.026431][ T10] do_syscall_64+0xc6/0x1e0 [ 943.026431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.026431][ T10] [ 943.028197][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 943.028516][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 943.028516][ T10] netdev_get_by_index+0x5e/0x80 [ 943.028516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.028516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.028516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.028516][ T10] ipv6_add_addr+0x411/0x2000 [ 943.028516][ T10] inet6_addr_add+0x30e/0xa40 [ 943.028516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.028516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.028516][ T10] netlink_rcv_skb+0x130/0x360 [ 943.028516][ T10] netlink_unicast+0x449/0x710 [ 943.028516][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.028516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.028516][ T10] ___sys_sendmsg+0xee/0x170 [ 943.028516][ T10] __sys_sendmsg+0xcd/0x170 [ 943.028516][ T10] do_syscall_64+0xc6/0x1e0 [ 943.028516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.028516][ T10] [ 943.030673][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 943.030673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.030673][ T10] ipv6_find_idev+0x102/0x170 [ 943.030673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.030673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.030673][ T10] netlink_rcv_skb+0x130/0x360 [ 943.030673][ T10] netlink_unicast+0x449/0x710 [ 943.030673][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.030673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.030673][ T10] ___sys_sendmsg+0xee/0x170 [ 943.030673][ T10] __sys_sendmsg+0xcd/0x170 [ 943.030673][ T10] do_syscall_64+0xc6/0x1e0 [ 943.030673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.030673][ T10] [ 943.032397][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 943.032397][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.032397][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.032397][ T10] ipv6_find_idev+0x102/0x170 [ 943.032397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.032397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.032397][ T10] netlink_rcv_skb+0x130/0x360 [ 943.032397][ T10] netlink_unicast+0x449/0x710 [ 943.032397][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.032397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.032397][ T10] ___sys_sendmsg+0xee/0x170 [ 943.032397][ T10] __sys_sendmsg+0xcd/0x170 [ 943.032397][ T10] do_syscall_64+0xc6/0x1e0 [ 943.032397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.032397][ T10] [ 943.034679][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 943.035294][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 943.035294][ T10] netdev_get_by_index+0x5e/0x80 [ 943.035294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.035294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.035294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.035294][ T10] ipv6_add_addr+0x411/0x2000 [ 943.035294][ T10] inet6_addr_add+0x30e/0xa40 [ 943.035294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.035294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.035294][ T10] netlink_rcv_skb+0x130/0x360 [ 943.035294][ T10] netlink_unicast+0x449/0x710 [ 943.035294][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.035294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.035294][ T10] ___sys_sendmsg+0xee/0x170 [ 943.035294][ T10] __sys_sendmsg+0xcd/0x170 [ 943.035294][ T10] do_syscall_64+0xc6/0x1e0 [ 943.035294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.035294][ T10] [ 943.037286][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 943.037286][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.037286][ T10] ipv6_find_idev+0x102/0x170 [ 943.037286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.037286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.037286][ T10] netlink_rcv_skb+0x130/0x360 [ 943.037286][ T10] netlink_unicast+0x449/0x710 [ 943.037286][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.037286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.037286][ T10] ___sys_sendmsg+0xee/0x170 [ 943.037286][ T10] __sys_sendmsg+0xcd/0x170 [ 943.037286][ T10] do_syscall_64+0xc6/0x1e0 [ 943.037286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.037286][ T10] [ 943.038865][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 943.038865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.038865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.038865][ T10] ipv6_find_idev+0x102/0x170 [ 943.038865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.038865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.038865][ T10] netlink_rcv_skb+0x130/0x360 [ 943.038865][ T10] netlink_unicast+0x449/0x710 [ 943.038865][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.038865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.038865][ T10] ___sys_sendmsg+0xee/0x170 [ 943.038865][ T10] __sys_sendmsg+0xcd/0x170 [ 943.038865][ T10] do_syscall_64+0xc6/0x1e0 [ 943.038865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.038865][ T10] [ 943.040652][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 943.040983][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 943.040983][ T10] netdev_get_by_index+0x5e/0x80 [ 943.040983][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.040983][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.040983][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.040983][ T10] ipv6_add_addr+0x411/0x2000 [ 943.040983][ T10] inet6_addr_add+0x30e/0xa40 [ 943.040983][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.040983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.040983][ T10] netlink_rcv_skb+0x130/0x360 [ 943.040983][ T10] netlink_unicast+0x449/0x710 [ 943.040983][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.040983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.040983][ T10] ___sys_sendmsg+0xee/0x170 [ 943.040983][ T10] __sys_sendmsg+0xcd/0x170 [ 943.040983][ T10] do_syscall_64+0xc6/0x1e0 [ 943.040983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.040983][ T10] [ 943.043069][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 943.043069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.043069][ T10] ipv6_find_idev+0x102/0x170 [ 943.043069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.043069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.043069][ T10] netlink_rcv_skb+0x130/0x360 [ 943.043069][ T10] netlink_unicast+0x449/0x710 [ 943.043069][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.043069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.043069][ T10] ___sys_sendmsg+0xee/0x170 [ 943.043069][ T10] __sys_sendmsg+0xcd/0x170 [ 943.043069][ T10] do_syscall_64+0xc6/0x1e0 [ 943.043069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.043069][ T10] [ 943.044732][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 943.044732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.044732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.044732][ T10] ipv6_find_idev+0x102/0x170 [ 943.044732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.044732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.044732][ T10] netlink_rcv_skb+0x130/0x360 [ 943.044732][ T10] netlink_unicast+0x449/0x710 [ 943.044732][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.044732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.044732][ T10] ___sys_sendmsg+0xee/0x170 [ 943.044732][ T10] __sys_sendmsg+0xcd/0x170 [ 943.044732][ T10] do_syscall_64+0xc6/0x1e0 [ 943.044732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.044732][ T10] [ 943.046750][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 943.047095][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 943.047095][ T10] netdev_get_by_index+0x5e/0x80 [ 943.047095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.047095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.047095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.047095][ T10] ipv6_add_addr+0x411/0x2000 [ 943.047095][ T10] inet6_addr_add+0x30e/0xa40 [ 943.047095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.047095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.047095][ T10] netlink_rcv_skb+0x130/0x360 [ 943.047095][ T10] netlink_unicast+0x449/0x710 [ 943.047095][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.047095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.047095][ T10] ___sys_sendmsg+0xee/0x170 [ 943.047095][ T10] __sys_sendmsg+0xcd/0x170 [ 943.047095][ T10] do_syscall_64+0xc6/0x1e0 [ 943.047095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.047095][ T10] [ 943.049421][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 943.049421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.049421][ T10] ipv6_find_idev+0x102/0x170 [ 943.049421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.049421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.049421][ T10] netlink_rcv_skb+0x130/0x360 [ 943.049421][ T10] netlink_unicast+0x449/0x710 [ 943.049421][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.049421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.049421][ T10] ___sys_sendmsg+0xee/0x170 [ 943.049421][ T10] __sys_sendmsg+0xcd/0x170 [ 943.049421][ T10] do_syscall_64+0xc6/0x1e0 [ 943.049421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.049421][ T10] [ 943.051242][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 943.051242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.051242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.051242][ T10] ipv6_find_idev+0x102/0x170 [ 943.051242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.051242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.051242][ T10] netlink_rcv_skb+0x130/0x360 [ 943.051242][ T10] netlink_unicast+0x449/0x710 [ 943.051242][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.051242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.051242][ T10] ___sys_sendmsg+0xee/0x170 [ 943.051242][ T10] __sys_sendmsg+0xcd/0x170 [ 943.051242][ T10] do_syscall_64+0xc6/0x1e0 [ 943.051242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.051242][ T10] [ 943.053306][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 943.053658][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 943.053658][ T10] netdev_get_by_index+0x5e/0x80 [ 943.053658][ T10] fib6_nh_init+0x3d8/0x15b0 [ 943.053658][ T10] ip6_route_info_create+0xf18/0x17d0 [ 943.053658][ T10] addrconf_f6i_alloc+0x244/0x410 [ 943.053658][ T10] ipv6_add_addr+0x411/0x2000 [ 943.053658][ T10] inet6_addr_add+0x30e/0xa40 [ 943.053658][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 943.053658][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.053658][ T10] netlink_rcv_skb+0x130/0x360 [ 943.053658][ T10] netlink_unicast+0x449/0x710 [ 943.053658][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.053658][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.053658][ T10] ___sys_sendmsg+0xee/0x170 [ 943.053658][ T10] __sys_sendmsg+0xcd/0x170 [ 943.053658][ T10] do_syscall_64+0xc6/0x1e0 [ 943.053658][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.053658][ T10] [ 943.055877][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 943.055877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 943.055877][ T10] ipv6_find_idev+0x102/0x170 [ 943.055877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.055877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.055877][ T10] netlink_rcv_skb+0x130/0x360 [ 943.055877][ T10] netlink_unicast+0x449/0x710 [ 943.055877][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.055877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.055877][ T10] ___sys_sendmsg+0xee/0x170 [ 943.055877][ T10] __sys_sendmsg+0xcd/0x170 [ 943.055877][ T10] do_syscall_64+0xc6/0x1e0 [ 943.055877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.055877][ T10] [ 943.057594][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 943.057594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 943.057594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 943.057594][ T10] ipv6_find_idev+0x102/0x170 [ 943.057594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 943.057594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 943.057594][ T10] netlink_rcv_skb+0x130/0x360 [ 943.057594][ T10] netlink_unicast+0x449/0x710 [ 943.057594][ T10] netlink_sendmsg+0x723/0xbe0 [ 943.057594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 943.057594][ T10] ___sys_sendmsg+0xee/0x170 [ 943.057594][ T10] __sys_sendmsg+0xcd/0x170 [ 943.057594][ T10] do_syscall_64+0xc6/0x1e0 [ 943.057594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 943.057594][ T10] [ 953.274952][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 953.275339][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 953.275339][ T10] netdev_get_by_index+0x5e/0x80 [ 953.275339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.275339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.275339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.275339][ T10] ipv6_add_addr+0x411/0x2000 [ 953.275339][ T10] inet6_addr_add+0x30e/0xa40 [ 953.275339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.275339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.275339][ T10] netlink_rcv_skb+0x130/0x360 [ 953.275339][ T10] netlink_unicast+0x449/0x710 [ 953.275339][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.275339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.275339][ T10] ___sys_sendmsg+0xee/0x170 [ 953.275339][ T10] __sys_sendmsg+0xcd/0x170 [ 953.275339][ T10] do_syscall_64+0xc6/0x1e0 [ 953.275339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.275339][ T10] [ 953.277352][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 953.277352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.277352][ T10] ipv6_find_idev+0x102/0x170 [ 953.277352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.277352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.277352][ T10] netlink_rcv_skb+0x130/0x360 [ 953.277352][ T10] netlink_unicast+0x449/0x710 [ 953.277352][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.277352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.277352][ T10] ___sys_sendmsg+0xee/0x170 [ 953.277352][ T10] __sys_sendmsg+0xcd/0x170 [ 953.277352][ T10] do_syscall_64+0xc6/0x1e0 [ 953.277352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.277352][ T10] [ 953.278901][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 953.278901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.278901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.278901][ T10] ipv6_find_idev+0x102/0x170 [ 953.278901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.278901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.278901][ T10] netlink_rcv_skb+0x130/0x360 [ 953.278901][ T10] netlink_unicast+0x449/0x710 [ 953.278901][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.278901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.278901][ T10] ___sys_sendmsg+0xee/0x170 [ 953.278901][ T10] __sys_sendmsg+0xcd/0x170 [ 953.278901][ T10] do_syscall_64+0xc6/0x1e0 [ 953.278901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.278901][ T10] [ 953.280586][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 953.280872][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 953.280872][ T10] netdev_get_by_index+0x5e/0x80 [ 953.280872][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.280872][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.280872][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.280872][ T10] ipv6_add_addr+0x411/0x2000 [ 953.280872][ T10] inet6_addr_add+0x30e/0xa40 [ 953.280872][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.280872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.280872][ T10] netlink_rcv_skb+0x130/0x360 [ 953.280872][ T10] netlink_unicast+0x449/0x710 [ 953.280872][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.280872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.280872][ T10] ___sys_sendmsg+0xee/0x170 [ 953.280872][ T10] __sys_sendmsg+0xcd/0x170 [ 953.280872][ T10] do_syscall_64+0xc6/0x1e0 [ 953.280872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.280872][ T10] [ 953.282872][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 953.282872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.282872][ T10] ipv6_find_idev+0x102/0x170 [ 953.282872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.282872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.282872][ T10] netlink_rcv_skb+0x130/0x360 [ 953.282872][ T10] netlink_unicast+0x449/0x710 [ 953.282872][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.282872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.282872][ T10] ___sys_sendmsg+0xee/0x170 [ 953.282872][ T10] __sys_sendmsg+0xcd/0x170 [ 953.282872][ T10] do_syscall_64+0xc6/0x1e0 [ 953.282872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.282872][ T10] [ 953.284386][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 953.284386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.284386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.284386][ T10] ipv6_find_idev+0x102/0x170 [ 953.284386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.284386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.284386][ T10] netlink_rcv_skb+0x130/0x360 [ 953.284386][ T10] netlink_unicast+0x449/0x710 [ 953.284386][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.284386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.284386][ T10] ___sys_sendmsg+0xee/0x170 [ 953.284386][ T10] __sys_sendmsg+0xcd/0x170 [ 953.284386][ T10] do_syscall_64+0xc6/0x1e0 [ 953.284386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.284386][ T10] [ 953.286046][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 953.286308][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 953.286308][ T10] netdev_get_by_index+0x5e/0x80 [ 953.286308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.286308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.286308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.286308][ T10] ipv6_add_addr+0x411/0x2000 [ 953.286308][ T10] inet6_addr_add+0x30e/0xa40 [ 953.286308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.286308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.286308][ T10] netlink_rcv_skb+0x130/0x360 [ 953.286308][ T10] netlink_unicast+0x449/0x710 [ 953.286308][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.286308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.286308][ T10] ___sys_sendmsg+0xee/0x170 [ 953.286308][ T10] __sys_sendmsg+0xcd/0x170 [ 953.286308][ T10] do_syscall_64+0xc6/0x1e0 [ 953.286308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.286308][ T10] [ 953.288270][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 953.288270][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.288270][ T10] ipv6_find_idev+0x102/0x170 [ 953.288270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.288270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.288270][ T10] netlink_rcv_skb+0x130/0x360 [ 953.288270][ T10] netlink_unicast+0x449/0x710 [ 953.288270][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.288270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.288270][ T10] ___sys_sendmsg+0xee/0x170 [ 953.288270][ T10] __sys_sendmsg+0xcd/0x170 [ 953.288270][ T10] do_syscall_64+0xc6/0x1e0 [ 953.288270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.288270][ T10] [ 953.289793][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 953.289793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.289793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.289793][ T10] ipv6_find_idev+0x102/0x170 [ 953.289793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.289793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.289793][ T10] netlink_rcv_skb+0x130/0x360 [ 953.289793][ T10] netlink_unicast+0x449/0x710 [ 953.289793][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.289793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.289793][ T10] ___sys_sendmsg+0xee/0x170 [ 953.289793][ T10] __sys_sendmsg+0xcd/0x170 [ 953.289793][ T10] do_syscall_64+0xc6/0x1e0 [ 953.289793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.289793][ T10] [ 953.291441][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 953.291712][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 953.291712][ T10] netdev_get_by_index+0x5e/0x80 [ 953.291712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.291712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.291712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.291712][ T10] ipv6_add_addr+0x411/0x2000 [ 953.291712][ T10] inet6_addr_add+0x30e/0xa40 [ 953.291712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.291712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.291712][ T10] netlink_rcv_skb+0x130/0x360 [ 953.291712][ T10] netlink_unicast+0x449/0x710 [ 953.291712][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.291712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.291712][ T10] ___sys_sendmsg+0xee/0x170 [ 953.291712][ T10] __sys_sendmsg+0xcd/0x170 [ 953.291712][ T10] do_syscall_64+0xc6/0x1e0 [ 953.291712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.291712][ T10] [ 953.293672][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 953.293672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.293672][ T10] ipv6_find_idev+0x102/0x170 [ 953.293672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.293672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.293672][ T10] netlink_rcv_skb+0x130/0x360 [ 953.293672][ T10] netlink_unicast+0x449/0x710 [ 953.293672][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.293672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.293672][ T10] ___sys_sendmsg+0xee/0x170 [ 953.293672][ T10] __sys_sendmsg+0xcd/0x170 [ 953.293672][ T10] do_syscall_64+0xc6/0x1e0 [ 953.293672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.293672][ T10] [ 953.295188][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 953.295188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.295188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.295188][ T10] ipv6_find_idev+0x102/0x170 [ 953.295188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.295188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.295188][ T10] netlink_rcv_skb+0x130/0x360 [ 953.295188][ T10] netlink_unicast+0x449/0x710 [ 953.295188][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.295188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.295188][ T10] ___sys_sendmsg+0xee/0x170 [ 953.295188][ T10] __sys_sendmsg+0xcd/0x170 [ 953.295188][ T10] do_syscall_64+0xc6/0x1e0 [ 953.295188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.295188][ T10] [ 953.296901][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 953.297167][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 953.297167][ T10] netdev_get_by_index+0x5e/0x80 [ 953.297167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.297167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.297167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.297167][ T10] ipv6_add_addr+0x411/0x2000 [ 953.297167][ T10] inet6_addr_add+0x30e/0xa40 [ 953.297167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.297167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.297167][ T10] netlink_rcv_skb+0x130/0x360 [ 953.297167][ T10] netlink_unicast+0x449/0x710 [ 953.297167][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.297167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.297167][ T10] ___sys_sendmsg+0xee/0x170 [ 953.297167][ T10] __sys_sendmsg+0xcd/0x170 [ 953.297167][ T10] do_syscall_64+0xc6/0x1e0 [ 953.297167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.297167][ T10] [ 953.299138][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 953.299138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.299138][ T10] ipv6_find_idev+0x102/0x170 [ 953.299138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.299138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.299138][ T10] netlink_rcv_skb+0x130/0x360 [ 953.299138][ T10] netlink_unicast+0x449/0x710 [ 953.299138][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.299138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.299138][ T10] ___sys_sendmsg+0xee/0x170 [ 953.299138][ T10] __sys_sendmsg+0xcd/0x170 [ 953.299138][ T10] do_syscall_64+0xc6/0x1e0 [ 953.299138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.299138][ T10] [ 953.300719][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 953.300719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.300719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.300719][ T10] ipv6_find_idev+0x102/0x170 [ 953.300719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.300719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.300719][ T10] netlink_rcv_skb+0x130/0x360 [ 953.300719][ T10] netlink_unicast+0x449/0x710 [ 953.300719][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.300719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.300719][ T10] ___sys_sendmsg+0xee/0x170 [ 953.300719][ T10] __sys_sendmsg+0xcd/0x170 [ 953.300719][ T10] do_syscall_64+0xc6/0x1e0 [ 953.300719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.300719][ T10] [ 953.302652][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 953.302971][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 953.302971][ T10] netdev_get_by_index+0x5e/0x80 [ 953.302971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.302971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.302971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.302971][ T10] ipv6_add_addr+0x411/0x2000 [ 953.302971][ T10] inet6_addr_add+0x30e/0xa40 [ 953.302971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.302971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.302971][ T10] netlink_rcv_skb+0x130/0x360 [ 953.302971][ T10] netlink_unicast+0x449/0x710 [ 953.302971][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.302971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.302971][ T10] ___sys_sendmsg+0xee/0x170 [ 953.302971][ T10] __sys_sendmsg+0xcd/0x170 [ 953.302971][ T10] do_syscall_64+0xc6/0x1e0 [ 953.302971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.302971][ T10] [ 953.305109][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 953.305109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.305109][ T10] ipv6_find_idev+0x102/0x170 [ 953.305109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.305109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.305109][ T10] netlink_rcv_skb+0x130/0x360 [ 953.305109][ T10] netlink_unicast+0x449/0x710 [ 953.305109][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.305109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.305109][ T10] ___sys_sendmsg+0xee/0x170 [ 953.305109][ T10] __sys_sendmsg+0xcd/0x170 [ 953.305109][ T10] do_syscall_64+0xc6/0x1e0 [ 953.305109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.305109][ T10] [ 953.306826][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 953.306826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.306826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.306826][ T10] ipv6_find_idev+0x102/0x170 [ 953.306826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.306826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.306826][ T10] netlink_rcv_skb+0x130/0x360 [ 953.306826][ T10] netlink_unicast+0x449/0x710 [ 953.306826][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.306826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.306826][ T10] ___sys_sendmsg+0xee/0x170 [ 953.306826][ T10] __sys_sendmsg+0xcd/0x170 [ 953.306826][ T10] do_syscall_64+0xc6/0x1e0 [ 953.306826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.306826][ T10] [ 953.308727][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 953.309046][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 953.309046][ T10] netdev_get_by_index+0x5e/0x80 [ 953.309046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.309046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.309046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.309046][ T10] ipv6_add_addr+0x411/0x2000 [ 953.309046][ T10] inet6_addr_add+0x30e/0xa40 [ 953.309046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.309046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.309046][ T10] netlink_rcv_skb+0x130/0x360 [ 953.309046][ T10] netlink_unicast+0x449/0x710 [ 953.309046][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.309046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.309046][ T10] ___sys_sendmsg+0xee/0x170 [ 953.309046][ T10] __sys_sendmsg+0xcd/0x170 [ 953.309046][ T10] do_syscall_64+0xc6/0x1e0 [ 953.309046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.309046][ T10] [ 953.311189][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 953.311189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.311189][ T10] ipv6_find_idev+0x102/0x170 [ 953.311189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.311189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.311189][ T10] netlink_rcv_skb+0x130/0x360 [ 953.311189][ T10] netlink_unicast+0x449/0x710 [ 953.311189][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.311189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.311189][ T10] ___sys_sendmsg+0xee/0x170 [ 953.311189][ T10] __sys_sendmsg+0xcd/0x170 [ 953.311189][ T10] do_syscall_64+0xc6/0x1e0 [ 953.311189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.311189][ T10] [ 953.312881][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 953.312881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.312881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.312881][ T10] ipv6_find_idev+0x102/0x170 [ 953.312881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.312881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.312881][ T10] netlink_rcv_skb+0x130/0x360 [ 953.312881][ T10] netlink_unicast+0x449/0x710 [ 953.312881][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.312881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.312881][ T10] ___sys_sendmsg+0xee/0x170 [ 953.312881][ T10] __sys_sendmsg+0xcd/0x170 [ 953.312881][ T10] do_syscall_64+0xc6/0x1e0 [ 953.312881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.312881][ T10] [ 953.314907][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 953.315166][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 953.315166][ T10] netdev_get_by_index+0x5e/0x80 [ 953.315166][ T10] fib6_nh_init+0x3d8/0x15b0 [ 953.315166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 953.315166][ T10] addrconf_f6i_alloc+0x244/0x410 [ 953.315166][ T10] ipv6_add_addr+0x411/0x2000 [ 953.315166][ T10] inet6_addr_add+0x30e/0xa40 [ 953.315166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 953.315166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.315166][ T10] netlink_rcv_skb+0x130/0x360 [ 953.315166][ T10] netlink_unicast+0x449/0x710 [ 953.315166][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.315166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.315166][ T10] ___sys_sendmsg+0xee/0x170 [ 953.315166][ T10] __sys_sendmsg+0xcd/0x170 [ 953.315166][ T10] do_syscall_64+0xc6/0x1e0 [ 953.315166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.315166][ T10] [ 953.317319][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 953.317319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 953.317319][ T10] ipv6_find_idev+0x102/0x170 [ 953.317319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.317319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.317319][ T10] netlink_rcv_skb+0x130/0x360 [ 953.317319][ T10] netlink_unicast+0x449/0x710 [ 953.317319][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.317319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.317319][ T10] ___sys_sendmsg+0xee/0x170 [ 953.317319][ T10] __sys_sendmsg+0xcd/0x170 [ 953.317319][ T10] do_syscall_64+0xc6/0x1e0 [ 953.317319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.317319][ T10] [ 953.319031][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 953.319031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 953.319031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 953.319031][ T10] ipv6_find_idev+0x102/0x170 [ 953.319031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 953.319031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 953.319031][ T10] netlink_rcv_skb+0x130/0x360 [ 953.319031][ T10] netlink_unicast+0x449/0x710 [ 953.319031][ T10] netlink_sendmsg+0x723/0xbe0 [ 953.319031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 953.319031][ T10] ___sys_sendmsg+0xee/0x170 [ 953.319031][ T10] __sys_sendmsg+0xcd/0x170 [ 953.319031][ T10] do_syscall_64+0xc6/0x1e0 [ 953.319031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 953.319031][ T10] [ 963.562933][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 963.563394][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 963.563394][ T10] netdev_get_by_index+0x5e/0x80 [ 963.563394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.563394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.563394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.563394][ T10] ipv6_add_addr+0x411/0x2000 [ 963.563394][ T10] inet6_addr_add+0x30e/0xa40 [ 963.563394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.563394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.563394][ T10] netlink_rcv_skb+0x130/0x360 [ 963.563394][ T10] netlink_unicast+0x449/0x710 [ 963.563394][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.563394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.563394][ T10] ___sys_sendmsg+0xee/0x170 [ 963.563394][ T10] __sys_sendmsg+0xcd/0x170 [ 963.563394][ T10] do_syscall_64+0xc6/0x1e0 [ 963.563394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.563394][ T10] [ 963.565390][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 963.565390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.565390][ T10] ipv6_find_idev+0x102/0x170 [ 963.565390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.565390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.565390][ T10] netlink_rcv_skb+0x130/0x360 [ 963.565390][ T10] netlink_unicast+0x449/0x710 [ 963.565390][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.565390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.565390][ T10] ___sys_sendmsg+0xee/0x170 [ 963.565390][ T10] __sys_sendmsg+0xcd/0x170 [ 963.565390][ T10] do_syscall_64+0xc6/0x1e0 [ 963.565390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.565390][ T10] [ 963.566906][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 963.566906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.566906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.566906][ T10] ipv6_find_idev+0x102/0x170 [ 963.566906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.566906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.566906][ T10] netlink_rcv_skb+0x130/0x360 [ 963.566906][ T10] netlink_unicast+0x449/0x710 [ 963.566906][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.566906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.566906][ T10] ___sys_sendmsg+0xee/0x170 [ 963.566906][ T10] __sys_sendmsg+0xcd/0x170 [ 963.566906][ T10] do_syscall_64+0xc6/0x1e0 [ 963.566906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.566906][ T10] [ 963.568559][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 963.568837][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 963.568837][ T10] netdev_get_by_index+0x5e/0x80 [ 963.568837][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.568837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.568837][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.568837][ T10] ipv6_add_addr+0x411/0x2000 [ 963.568837][ T10] inet6_addr_add+0x30e/0xa40 [ 963.568837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.568837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.568837][ T10] netlink_rcv_skb+0x130/0x360 [ 963.568837][ T10] netlink_unicast+0x449/0x710 [ 963.568837][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.568837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.568837][ T10] ___sys_sendmsg+0xee/0x170 [ 963.568837][ T10] __sys_sendmsg+0xcd/0x170 [ 963.568837][ T10] do_syscall_64+0xc6/0x1e0 [ 963.568837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.568837][ T10] [ 963.570795][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 963.570795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.570795][ T10] ipv6_find_idev+0x102/0x170 [ 963.570795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.570795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.570795][ T10] netlink_rcv_skb+0x130/0x360 [ 963.570795][ T10] netlink_unicast+0x449/0x710 [ 963.570795][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.570795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.570795][ T10] ___sys_sendmsg+0xee/0x170 [ 963.570795][ T10] __sys_sendmsg+0xcd/0x170 [ 963.570795][ T10] do_syscall_64+0xc6/0x1e0 [ 963.570795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.570795][ T10] [ 963.572591][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 963.572591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.572591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.572591][ T10] ipv6_find_idev+0x102/0x170 [ 963.572591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.572591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.572591][ T10] netlink_rcv_skb+0x130/0x360 [ 963.572591][ T10] netlink_unicast+0x449/0x710 [ 963.572591][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.572591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.572591][ T10] ___sys_sendmsg+0xee/0x170 [ 963.572591][ T10] __sys_sendmsg+0xcd/0x170 [ 963.572591][ T10] do_syscall_64+0xc6/0x1e0 [ 963.572591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.572591][ T10] [ 963.574666][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 963.574939][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 963.574939][ T10] netdev_get_by_index+0x5e/0x80 [ 963.574939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.574939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.574939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.574939][ T10] ipv6_add_addr+0x411/0x2000 [ 963.574939][ T10] inet6_addr_add+0x30e/0xa40 [ 963.574939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.574939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.574939][ T10] netlink_rcv_skb+0x130/0x360 [ 963.574939][ T10] netlink_unicast+0x449/0x710 [ 963.574939][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.574939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.574939][ T10] ___sys_sendmsg+0xee/0x170 [ 963.574939][ T10] __sys_sendmsg+0xcd/0x170 [ 963.574939][ T10] do_syscall_64+0xc6/0x1e0 [ 963.574939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.574939][ T10] [ 963.576910][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 963.576910][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.576910][ T10] ipv6_find_idev+0x102/0x170 [ 963.576910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.576910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.576910][ T10] netlink_rcv_skb+0x130/0x360 [ 963.576910][ T10] netlink_unicast+0x449/0x710 [ 963.576910][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.576910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.576910][ T10] ___sys_sendmsg+0xee/0x170 [ 963.576910][ T10] __sys_sendmsg+0xcd/0x170 [ 963.576910][ T10] do_syscall_64+0xc6/0x1e0 [ 963.576910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.576910][ T10] [ 963.578431][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 963.578431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.578431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.578431][ T10] ipv6_find_idev+0x102/0x170 [ 963.578431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.578431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.578431][ T10] netlink_rcv_skb+0x130/0x360 [ 963.578431][ T10] netlink_unicast+0x449/0x710 [ 963.578431][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.578431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.578431][ T10] ___sys_sendmsg+0xee/0x170 [ 963.578431][ T10] __sys_sendmsg+0xcd/0x170 [ 963.578431][ T10] do_syscall_64+0xc6/0x1e0 [ 963.578431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.578431][ T10] [ 963.580111][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 963.580381][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 963.580381][ T10] netdev_get_by_index+0x5e/0x80 [ 963.580381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.580381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.580381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.580381][ T10] ipv6_add_addr+0x411/0x2000 [ 963.580381][ T10] inet6_addr_add+0x30e/0xa40 [ 963.580381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.580381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.580381][ T10] netlink_rcv_skb+0x130/0x360 [ 963.580381][ T10] netlink_unicast+0x449/0x710 [ 963.580381][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.580381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.580381][ T10] ___sys_sendmsg+0xee/0x170 [ 963.580381][ T10] __sys_sendmsg+0xcd/0x170 [ 963.580381][ T10] do_syscall_64+0xc6/0x1e0 [ 963.580381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.580381][ T10] [ 963.582352][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 963.582352][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.582352][ T10] ipv6_find_idev+0x102/0x170 [ 963.582352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.582352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.582352][ T10] netlink_rcv_skb+0x130/0x360 [ 963.582352][ T10] netlink_unicast+0x449/0x710 [ 963.582352][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.582352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.582352][ T10] ___sys_sendmsg+0xee/0x170 [ 963.582352][ T10] __sys_sendmsg+0xcd/0x170 [ 963.582352][ T10] do_syscall_64+0xc6/0x1e0 [ 963.582352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.582352][ T10] [ 963.583877][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 963.583877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.583877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.583877][ T10] ipv6_find_idev+0x102/0x170 [ 963.583877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.583877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.583877][ T10] netlink_rcv_skb+0x130/0x360 [ 963.583877][ T10] netlink_unicast+0x449/0x710 [ 963.583877][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.583877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.583877][ T10] ___sys_sendmsg+0xee/0x170 [ 963.583877][ T10] __sys_sendmsg+0xcd/0x170 [ 963.583877][ T10] do_syscall_64+0xc6/0x1e0 [ 963.583877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.583877][ T10] [ 963.585946][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 963.586208][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 963.586208][ T10] netdev_get_by_index+0x5e/0x80 [ 963.586208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.586208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.586208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.586208][ T10] ipv6_add_addr+0x411/0x2000 [ 963.586208][ T10] inet6_addr_add+0x30e/0xa40 [ 963.586208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.586208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.586208][ T10] netlink_rcv_skb+0x130/0x360 [ 963.586208][ T10] netlink_unicast+0x449/0x710 [ 963.586208][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.586208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.586208][ T10] ___sys_sendmsg+0xee/0x170 [ 963.586208][ T10] __sys_sendmsg+0xcd/0x170 [ 963.586208][ T10] do_syscall_64+0xc6/0x1e0 [ 963.586208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.586208][ T10] [ 963.588173][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 963.588173][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.588173][ T10] ipv6_find_idev+0x102/0x170 [ 963.588173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.588173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.588173][ T10] netlink_rcv_skb+0x130/0x360 [ 963.588173][ T10] netlink_unicast+0x449/0x710 [ 963.588173][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.588173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.588173][ T10] ___sys_sendmsg+0xee/0x170 [ 963.588173][ T10] __sys_sendmsg+0xcd/0x170 [ 963.588173][ T10] do_syscall_64+0xc6/0x1e0 [ 963.588173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.588173][ T10] [ 963.589689][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 963.589689][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.589689][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.589689][ T10] ipv6_find_idev+0x102/0x170 [ 963.589689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.589689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.589689][ T10] netlink_rcv_skb+0x130/0x360 [ 963.589689][ T10] netlink_unicast+0x449/0x710 [ 963.589689][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.589689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.589689][ T10] ___sys_sendmsg+0xee/0x170 [ 963.589689][ T10] __sys_sendmsg+0xcd/0x170 [ 963.589689][ T10] do_syscall_64+0xc6/0x1e0 [ 963.589689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.589689][ T10] [ 963.591382][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 963.591644][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 963.591644][ T10] netdev_get_by_index+0x5e/0x80 [ 963.591644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.591644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.591644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.591644][ T10] ipv6_add_addr+0x411/0x2000 [ 963.591644][ T10] inet6_addr_add+0x30e/0xa40 [ 963.591644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.591644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.591644][ T10] netlink_rcv_skb+0x130/0x360 [ 963.591644][ T10] netlink_unicast+0x449/0x710 [ 963.591644][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.591644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.591644][ T10] ___sys_sendmsg+0xee/0x170 [ 963.591644][ T10] __sys_sendmsg+0xcd/0x170 [ 963.591644][ T10] do_syscall_64+0xc6/0x1e0 [ 963.591644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.591644][ T10] [ 963.593730][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 963.593730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.593730][ T10] ipv6_find_idev+0x102/0x170 [ 963.593730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.593730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.593730][ T10] netlink_rcv_skb+0x130/0x360 [ 963.593730][ T10] netlink_unicast+0x449/0x710 [ 963.593730][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.593730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.593730][ T10] ___sys_sendmsg+0xee/0x170 [ 963.593730][ T10] __sys_sendmsg+0xcd/0x170 [ 963.593730][ T10] do_syscall_64+0xc6/0x1e0 [ 963.593730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.593730][ T10] [ 963.595481][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 963.595481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.595481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.595481][ T10] ipv6_find_idev+0x102/0x170 [ 963.595481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.595481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.595481][ T10] netlink_rcv_skb+0x130/0x360 [ 963.595481][ T10] netlink_unicast+0x449/0x710 [ 963.595481][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.595481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.595481][ T10] ___sys_sendmsg+0xee/0x170 [ 963.595481][ T10] __sys_sendmsg+0xcd/0x170 [ 963.595481][ T10] do_syscall_64+0xc6/0x1e0 [ 963.595481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.595481][ T10] [ 963.597414][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 963.597672][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 963.597672][ T10] netdev_get_by_index+0x5e/0x80 [ 963.597672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.597672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.597672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.597672][ T10] ipv6_add_addr+0x411/0x2000 [ 963.597672][ T10] inet6_addr_add+0x30e/0xa40 [ 963.597672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.597672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.597672][ T10] netlink_rcv_skb+0x130/0x360 [ 963.597672][ T10] netlink_unicast+0x449/0x710 [ 963.597672][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.597672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.597672][ T10] ___sys_sendmsg+0xee/0x170 [ 963.597672][ T10] __sys_sendmsg+0xcd/0x170 [ 963.597672][ T10] do_syscall_64+0xc6/0x1e0 [ 963.597672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.597672][ T10] [ 963.599828][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 963.599828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.599828][ T10] ipv6_find_idev+0x102/0x170 [ 963.599828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.599828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.599828][ T10] netlink_rcv_skb+0x130/0x360 [ 963.599828][ T10] netlink_unicast+0x449/0x710 [ 963.599828][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.599828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.599828][ T10] ___sys_sendmsg+0xee/0x170 [ 963.599828][ T10] __sys_sendmsg+0xcd/0x170 [ 963.599828][ T10] do_syscall_64+0xc6/0x1e0 [ 963.599828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.599828][ T10] [ 963.601694][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 963.601694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.601694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.601694][ T10] ipv6_find_idev+0x102/0x170 [ 963.601694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.601694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.601694][ T10] netlink_rcv_skb+0x130/0x360 [ 963.601694][ T10] netlink_unicast+0x449/0x710 [ 963.601694][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.601694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.601694][ T10] ___sys_sendmsg+0xee/0x170 [ 963.601694][ T10] __sys_sendmsg+0xcd/0x170 [ 963.601694][ T10] do_syscall_64+0xc6/0x1e0 [ 963.601694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.601694][ T10] [ 963.603619][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 963.603881][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 963.603881][ T10] netdev_get_by_index+0x5e/0x80 [ 963.603881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 963.603881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 963.603881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 963.603881][ T10] ipv6_add_addr+0x411/0x2000 [ 963.603881][ T10] inet6_addr_add+0x30e/0xa40 [ 963.603881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 963.603881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.603881][ T10] netlink_rcv_skb+0x130/0x360 [ 963.603881][ T10] netlink_unicast+0x449/0x710 [ 963.603881][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.603881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.603881][ T10] ___sys_sendmsg+0xee/0x170 [ 963.603881][ T10] __sys_sendmsg+0xcd/0x170 [ 963.603881][ T10] do_syscall_64+0xc6/0x1e0 [ 963.603881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.603881][ T10] [ 963.606080][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 963.606080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 963.606080][ T10] ipv6_find_idev+0x102/0x170 [ 963.606080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.606080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.606080][ T10] netlink_rcv_skb+0x130/0x360 [ 963.606080][ T10] netlink_unicast+0x449/0x710 [ 963.606080][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.606080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.606080][ T10] ___sys_sendmsg+0xee/0x170 [ 963.606080][ T10] __sys_sendmsg+0xcd/0x170 [ 963.606080][ T10] do_syscall_64+0xc6/0x1e0 [ 963.606080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.606080][ T10] [ 963.607767][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 963.607767][ T10] neigh_parms_alloc+0x1e5/0x510 [ 963.607767][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 963.607767][ T10] ipv6_find_idev+0x102/0x170 [ 963.607767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 963.607767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 963.607767][ T10] netlink_rcv_skb+0x130/0x360 [ 963.607767][ T10] netlink_unicast+0x449/0x710 [ 963.607767][ T10] netlink_sendmsg+0x723/0xbe0 [ 963.607767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 963.607767][ T10] ___sys_sendmsg+0xee/0x170 [ 963.607767][ T10] __sys_sendmsg+0xcd/0x170 [ 963.607767][ T10] do_syscall_64+0xc6/0x1e0 [ 963.607767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 963.607767][ T10] [ 973.634940][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 973.635389][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 973.635389][ T10] netdev_get_by_index+0x5e/0x80 [ 973.635389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.635389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.635389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.635389][ T10] ipv6_add_addr+0x411/0x2000 [ 973.635389][ T10] inet6_addr_add+0x30e/0xa40 [ 973.635389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.635389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.635389][ T10] netlink_rcv_skb+0x130/0x360 [ 973.635389][ T10] netlink_unicast+0x449/0x710 [ 973.635389][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.635389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.635389][ T10] ___sys_sendmsg+0xee/0x170 [ 973.635389][ T10] __sys_sendmsg+0xcd/0x170 [ 973.635389][ T10] do_syscall_64+0xc6/0x1e0 [ 973.635389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.635389][ T10] [ 973.637367][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 973.637367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.637367][ T10] ipv6_find_idev+0x102/0x170 [ 973.637367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.637367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.637367][ T10] netlink_rcv_skb+0x130/0x360 [ 973.637367][ T10] netlink_unicast+0x449/0x710 [ 973.637367][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.637367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.637367][ T10] ___sys_sendmsg+0xee/0x170 [ 973.637367][ T10] __sys_sendmsg+0xcd/0x170 [ 973.637367][ T10] do_syscall_64+0xc6/0x1e0 [ 973.637367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.637367][ T10] [ 973.638885][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 973.638885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.638885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.638885][ T10] ipv6_find_idev+0x102/0x170 [ 973.638885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.638885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.638885][ T10] netlink_rcv_skb+0x130/0x360 [ 973.638885][ T10] netlink_unicast+0x449/0x710 [ 973.638885][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.638885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.638885][ T10] ___sys_sendmsg+0xee/0x170 [ 973.638885][ T10] __sys_sendmsg+0xcd/0x170 [ 973.638885][ T10] do_syscall_64+0xc6/0x1e0 [ 973.638885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.638885][ T10] [ 973.640547][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 973.640817][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 973.640817][ T10] netdev_get_by_index+0x5e/0x80 [ 973.640817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.640817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.640817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.640817][ T10] ipv6_add_addr+0x411/0x2000 [ 973.640817][ T10] inet6_addr_add+0x30e/0xa40 [ 973.640817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.640817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.640817][ T10] netlink_rcv_skb+0x130/0x360 [ 973.640817][ T10] netlink_unicast+0x449/0x710 [ 973.640817][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.640817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.640817][ T10] ___sys_sendmsg+0xee/0x170 [ 973.640817][ T10] __sys_sendmsg+0xcd/0x170 [ 973.640817][ T10] do_syscall_64+0xc6/0x1e0 [ 973.640817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.640817][ T10] [ 973.642773][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 973.642773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.642773][ T10] ipv6_find_idev+0x102/0x170 [ 973.642773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.642773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.642773][ T10] netlink_rcv_skb+0x130/0x360 [ 973.642773][ T10] netlink_unicast+0x449/0x710 [ 973.642773][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.642773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.642773][ T10] ___sys_sendmsg+0xee/0x170 [ 973.642773][ T10] __sys_sendmsg+0xcd/0x170 [ 973.642773][ T10] do_syscall_64+0xc6/0x1e0 [ 973.642773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.642773][ T10] [ 973.644277][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 973.644277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.644277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.644277][ T10] ipv6_find_idev+0x102/0x170 [ 973.644277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.644277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.644277][ T10] netlink_rcv_skb+0x130/0x360 [ 973.644277][ T10] netlink_unicast+0x449/0x710 [ 973.644277][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.644277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.644277][ T10] ___sys_sendmsg+0xee/0x170 [ 973.644277][ T10] __sys_sendmsg+0xcd/0x170 [ 973.644277][ T10] do_syscall_64+0xc6/0x1e0 [ 973.644277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.644277][ T10] [ 973.646013][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 973.646282][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 973.646282][ T10] netdev_get_by_index+0x5e/0x80 [ 973.646282][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.646282][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.646282][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.646282][ T10] ipv6_add_addr+0x411/0x2000 [ 973.646282][ T10] inet6_addr_add+0x30e/0xa40 [ 973.646282][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.646282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.646282][ T10] netlink_rcv_skb+0x130/0x360 [ 973.646282][ T10] netlink_unicast+0x449/0x710 [ 973.646282][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.646282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.646282][ T10] ___sys_sendmsg+0xee/0x170 [ 973.646282][ T10] __sys_sendmsg+0xcd/0x170 [ 973.646282][ T10] do_syscall_64+0xc6/0x1e0 [ 973.646282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.646282][ T10] [ 973.648259][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 973.648259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.648259][ T10] ipv6_find_idev+0x102/0x170 [ 973.648259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.648259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.648259][ T10] netlink_rcv_skb+0x130/0x360 [ 973.648259][ T10] netlink_unicast+0x449/0x710 [ 973.648259][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.648259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.648259][ T10] ___sys_sendmsg+0xee/0x170 [ 973.648259][ T10] __sys_sendmsg+0xcd/0x170 [ 973.648259][ T10] do_syscall_64+0xc6/0x1e0 [ 973.648259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.648259][ T10] [ 973.649773][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 973.649773][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.649773][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.649773][ T10] ipv6_find_idev+0x102/0x170 [ 973.649773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.649773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.649773][ T10] netlink_rcv_skb+0x130/0x360 [ 973.649773][ T10] netlink_unicast+0x449/0x710 [ 973.649773][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.649773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.649773][ T10] ___sys_sendmsg+0xee/0x170 [ 973.649773][ T10] __sys_sendmsg+0xcd/0x170 [ 973.649773][ T10] do_syscall_64+0xc6/0x1e0 [ 973.649773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.649773][ T10] [ 973.651417][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 973.651677][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 973.651677][ T10] netdev_get_by_index+0x5e/0x80 [ 973.651677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.651677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.651677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.651677][ T10] ipv6_add_addr+0x411/0x2000 [ 973.651677][ T10] inet6_addr_add+0x30e/0xa40 [ 973.651677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.651677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.651677][ T10] netlink_rcv_skb+0x130/0x360 [ 973.651677][ T10] netlink_unicast+0x449/0x710 [ 973.651677][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.651677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.651677][ T10] ___sys_sendmsg+0xee/0x170 [ 973.651677][ T10] __sys_sendmsg+0xcd/0x170 [ 973.651677][ T10] do_syscall_64+0xc6/0x1e0 [ 973.651677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.651677][ T10] [ 973.653635][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 973.653635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.653635][ T10] ipv6_find_idev+0x102/0x170 [ 973.653635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.653635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.653635][ T10] netlink_rcv_skb+0x130/0x360 [ 973.653635][ T10] netlink_unicast+0x449/0x710 [ 973.653635][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.653635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.653635][ T10] ___sys_sendmsg+0xee/0x170 [ 973.653635][ T10] __sys_sendmsg+0xcd/0x170 [ 973.653635][ T10] do_syscall_64+0xc6/0x1e0 [ 973.653635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.653635][ T10] [ 973.655146][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 973.655146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.655146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.655146][ T10] ipv6_find_idev+0x102/0x170 [ 973.655146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.655146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.655146][ T10] netlink_rcv_skb+0x130/0x360 [ 973.655146][ T10] netlink_unicast+0x449/0x710 [ 973.655146][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.655146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.655146][ T10] ___sys_sendmsg+0xee/0x170 [ 973.655146][ T10] __sys_sendmsg+0xcd/0x170 [ 973.655146][ T10] do_syscall_64+0xc6/0x1e0 [ 973.655146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.655146][ T10] [ 973.657209][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 973.657468][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 973.657468][ T10] netdev_get_by_index+0x5e/0x80 [ 973.657468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.657468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.657468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.657468][ T10] ipv6_add_addr+0x411/0x2000 [ 973.657468][ T10] inet6_addr_add+0x30e/0xa40 [ 973.657468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.657468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.657468][ T10] netlink_rcv_skb+0x130/0x360 [ 973.657468][ T10] netlink_unicast+0x449/0x710 [ 973.657468][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.657468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.657468][ T10] ___sys_sendmsg+0xee/0x170 [ 973.657468][ T10] __sys_sendmsg+0xcd/0x170 [ 973.657468][ T10] do_syscall_64+0xc6/0x1e0 [ 973.657468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.657468][ T10] [ 973.659428][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 973.659428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.659428][ T10] ipv6_find_idev+0x102/0x170 [ 973.659428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.659428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.659428][ T10] netlink_rcv_skb+0x130/0x360 [ 973.659428][ T10] netlink_unicast+0x449/0x710 [ 973.659428][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.659428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.659428][ T10] ___sys_sendmsg+0xee/0x170 [ 973.659428][ T10] __sys_sendmsg+0xcd/0x170 [ 973.659428][ T10] do_syscall_64+0xc6/0x1e0 [ 973.659428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.659428][ T10] [ 973.660940][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 973.660940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.660940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.660940][ T10] ipv6_find_idev+0x102/0x170 [ 973.660940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.660940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.660940][ T10] netlink_rcv_skb+0x130/0x360 [ 973.660940][ T10] netlink_unicast+0x449/0x710 [ 973.660940][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.660940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.660940][ T10] ___sys_sendmsg+0xee/0x170 [ 973.660940][ T10] __sys_sendmsg+0xcd/0x170 [ 973.660940][ T10] do_syscall_64+0xc6/0x1e0 [ 973.660940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.660940][ T10] [ 973.662631][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 973.662946][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 973.662946][ T10] netdev_get_by_index+0x5e/0x80 [ 973.662946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.662946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.662946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.662946][ T10] ipv6_add_addr+0x411/0x2000 [ 973.662946][ T10] inet6_addr_add+0x30e/0xa40 [ 973.662946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.662946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.662946][ T10] netlink_rcv_skb+0x130/0x360 [ 973.662946][ T10] netlink_unicast+0x449/0x710 [ 973.662946][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.662946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.662946][ T10] ___sys_sendmsg+0xee/0x170 [ 973.662946][ T10] __sys_sendmsg+0xcd/0x170 [ 973.662946][ T10] do_syscall_64+0xc6/0x1e0 [ 973.662946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.662946][ T10] [ 973.664980][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 973.664980][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.664980][ T10] ipv6_find_idev+0x102/0x170 [ 973.664980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.664980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.664980][ T10] netlink_rcv_skb+0x130/0x360 [ 973.664980][ T10] netlink_unicast+0x449/0x710 [ 973.664980][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.664980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.664980][ T10] ___sys_sendmsg+0xee/0x170 [ 973.664980][ T10] __sys_sendmsg+0xcd/0x170 [ 973.664980][ T10] do_syscall_64+0xc6/0x1e0 [ 973.664980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.664980][ T10] [ 973.666660][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 973.666660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.666660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.666660][ T10] ipv6_find_idev+0x102/0x170 [ 973.666660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.666660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.666660][ T10] netlink_rcv_skb+0x130/0x360 [ 973.666660][ T10] netlink_unicast+0x449/0x710 [ 973.666660][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.666660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.666660][ T10] ___sys_sendmsg+0xee/0x170 [ 973.666660][ T10] __sys_sendmsg+0xcd/0x170 [ 973.666660][ T10] do_syscall_64+0xc6/0x1e0 [ 973.666660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.666660][ T10] [ 973.668657][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 973.668965][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 973.668965][ T10] netdev_get_by_index+0x5e/0x80 [ 973.668965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.668965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.668965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.668965][ T10] ipv6_add_addr+0x411/0x2000 [ 973.668965][ T10] inet6_addr_add+0x30e/0xa40 [ 973.668965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.668965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.668965][ T10] netlink_rcv_skb+0x130/0x360 [ 973.668965][ T10] netlink_unicast+0x449/0x710 [ 973.668965][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.668965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.668965][ T10] ___sys_sendmsg+0xee/0x170 [ 973.668965][ T10] __sys_sendmsg+0xcd/0x170 [ 973.668965][ T10] do_syscall_64+0xc6/0x1e0 [ 973.668965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.668965][ T10] [ 973.671094][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 973.671094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.671094][ T10] ipv6_find_idev+0x102/0x170 [ 973.671094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.671094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.671094][ T10] netlink_rcv_skb+0x130/0x360 [ 973.671094][ T10] netlink_unicast+0x449/0x710 [ 973.671094][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.671094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.671094][ T10] ___sys_sendmsg+0xee/0x170 [ 973.671094][ T10] __sys_sendmsg+0xcd/0x170 [ 973.671094][ T10] do_syscall_64+0xc6/0x1e0 [ 973.671094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.671094][ T10] [ 973.672775][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 973.672775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.672775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.672775][ T10] ipv6_find_idev+0x102/0x170 [ 973.672775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.672775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.672775][ T10] netlink_rcv_skb+0x130/0x360 [ 973.672775][ T10] netlink_unicast+0x449/0x710 [ 973.672775][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.672775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.672775][ T10] ___sys_sendmsg+0xee/0x170 [ 973.672775][ T10] __sys_sendmsg+0xcd/0x170 [ 973.672775][ T10] do_syscall_64+0xc6/0x1e0 [ 973.672775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.672775][ T10] [ 973.674650][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 973.674965][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 973.674965][ T10] netdev_get_by_index+0x5e/0x80 [ 973.674965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 973.674965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 973.674965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 973.674965][ T10] ipv6_add_addr+0x411/0x2000 [ 973.674965][ T10] inet6_addr_add+0x30e/0xa40 [ 973.674965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 973.674965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.674965][ T10] netlink_rcv_skb+0x130/0x360 [ 973.674965][ T10] netlink_unicast+0x449/0x710 [ 973.674965][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.674965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.674965][ T10] ___sys_sendmsg+0xee/0x170 [ 973.674965][ T10] __sys_sendmsg+0xcd/0x170 [ 973.674965][ T10] do_syscall_64+0xc6/0x1e0 [ 973.674965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.674965][ T10] [ 973.677092][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 973.677092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 973.677092][ T10] ipv6_find_idev+0x102/0x170 [ 973.677092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.677092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.677092][ T10] netlink_rcv_skb+0x130/0x360 [ 973.677092][ T10] netlink_unicast+0x449/0x710 [ 973.677092][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.677092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.677092][ T10] ___sys_sendmsg+0xee/0x170 [ 973.677092][ T10] __sys_sendmsg+0xcd/0x170 [ 973.677092][ T10] do_syscall_64+0xc6/0x1e0 [ 973.677092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.677092][ T10] [ 973.678844][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 973.678844][ T10] neigh_parms_alloc+0x1e5/0x510 [ 973.678844][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 973.678844][ T10] ipv6_find_idev+0x102/0x170 [ 973.678844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 973.678844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 973.678844][ T10] netlink_rcv_skb+0x130/0x360 [ 973.678844][ T10] netlink_unicast+0x449/0x710 [ 973.678844][ T10] netlink_sendmsg+0x723/0xbe0 [ 973.678844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 973.678844][ T10] ___sys_sendmsg+0xee/0x170 [ 973.678844][ T10] __sys_sendmsg+0xcd/0x170 [ 973.678844][ T10] do_syscall_64+0xc6/0x1e0 [ 973.678844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 973.678844][ T10] [ 983.866948][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 983.867350][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 983.867350][ T10] netdev_get_by_index+0x5e/0x80 [ 983.867350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.867350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.867350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.867350][ T10] ipv6_add_addr+0x411/0x2000 [ 983.867350][ T10] inet6_addr_add+0x30e/0xa40 [ 983.867350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.867350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.867350][ T10] netlink_rcv_skb+0x130/0x360 [ 983.867350][ T10] netlink_unicast+0x449/0x710 [ 983.867350][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.867350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.867350][ T10] ___sys_sendmsg+0xee/0x170 [ 983.867350][ T10] __sys_sendmsg+0xcd/0x170 [ 983.867350][ T10] do_syscall_64+0xc6/0x1e0 [ 983.867350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.867350][ T10] [ 983.869408][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 983.869408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.869408][ T10] ipv6_find_idev+0x102/0x170 [ 983.869408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.869408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.869408][ T10] netlink_rcv_skb+0x130/0x360 [ 983.869408][ T10] netlink_unicast+0x449/0x710 [ 983.869408][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.869408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.869408][ T10] ___sys_sendmsg+0xee/0x170 [ 983.869408][ T10] __sys_sendmsg+0xcd/0x170 [ 983.869408][ T10] do_syscall_64+0xc6/0x1e0 [ 983.869408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.869408][ T10] [ 983.871454][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 983.871454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.871454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.871454][ T10] ipv6_find_idev+0x102/0x170 [ 983.871454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.871454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.871454][ T10] netlink_rcv_skb+0x130/0x360 [ 983.871454][ T10] netlink_unicast+0x449/0x710 [ 983.871454][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.871454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.871454][ T10] ___sys_sendmsg+0xee/0x170 [ 983.871454][ T10] __sys_sendmsg+0xcd/0x170 [ 983.871454][ T10] do_syscall_64+0xc6/0x1e0 [ 983.871454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.871454][ T10] [ 983.873162][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 983.873441][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 983.873441][ T10] netdev_get_by_index+0x5e/0x80 [ 983.873441][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.873441][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.873441][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.873441][ T10] ipv6_add_addr+0x411/0x2000 [ 983.873441][ T10] inet6_addr_add+0x30e/0xa40 [ 983.873441][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.873441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.873441][ T10] netlink_rcv_skb+0x130/0x360 [ 983.873441][ T10] netlink_unicast+0x449/0x710 [ 983.873441][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.873441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.873441][ T10] ___sys_sendmsg+0xee/0x170 [ 983.873441][ T10] __sys_sendmsg+0xcd/0x170 [ 983.873441][ T10] do_syscall_64+0xc6/0x1e0 [ 983.873441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.873441][ T10] [ 983.875552][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 983.875552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.875552][ T10] ipv6_find_idev+0x102/0x170 [ 983.875552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.875552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.875552][ T10] netlink_rcv_skb+0x130/0x360 [ 983.875552][ T10] netlink_unicast+0x449/0x710 [ 983.875552][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.875552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.875552][ T10] ___sys_sendmsg+0xee/0x170 [ 983.875552][ T10] __sys_sendmsg+0xcd/0x170 [ 983.875552][ T10] do_syscall_64+0xc6/0x1e0 [ 983.875552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.875552][ T10] [ 983.877202][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 983.877202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.877202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.877202][ T10] ipv6_find_idev+0x102/0x170 [ 983.877202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.877202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.877202][ T10] netlink_rcv_skb+0x130/0x360 [ 983.877202][ T10] netlink_unicast+0x449/0x710 [ 983.877202][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.877202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.877202][ T10] ___sys_sendmsg+0xee/0x170 [ 983.877202][ T10] __sys_sendmsg+0xcd/0x170 [ 983.877202][ T10] do_syscall_64+0xc6/0x1e0 [ 983.877202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.877202][ T10] [ 983.879011][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 983.879291][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 983.879291][ T10] netdev_get_by_index+0x5e/0x80 [ 983.879291][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.879291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.879291][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.879291][ T10] ipv6_add_addr+0x411/0x2000 [ 983.879291][ T10] inet6_addr_add+0x30e/0xa40 [ 983.879291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.879291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.879291][ T10] netlink_rcv_skb+0x130/0x360 [ 983.879291][ T10] netlink_unicast+0x449/0x710 [ 983.879291][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.879291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.879291][ T10] ___sys_sendmsg+0xee/0x170 [ 983.879291][ T10] __sys_sendmsg+0xcd/0x170 [ 983.879291][ T10] do_syscall_64+0xc6/0x1e0 [ 983.879291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.879291][ T10] [ 983.881441][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 983.881441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.881441][ T10] ipv6_find_idev+0x102/0x170 [ 983.881441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.881441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.881441][ T10] netlink_rcv_skb+0x130/0x360 [ 983.881441][ T10] netlink_unicast+0x449/0x710 [ 983.881441][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.881441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.881441][ T10] ___sys_sendmsg+0xee/0x170 [ 983.881441][ T10] __sys_sendmsg+0xcd/0x170 [ 983.881441][ T10] do_syscall_64+0xc6/0x1e0 [ 983.881441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.881441][ T10] [ 983.883097][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 983.883097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.883097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.883097][ T10] ipv6_find_idev+0x102/0x170 [ 983.883097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.883097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.883097][ T10] netlink_rcv_skb+0x130/0x360 [ 983.883097][ T10] netlink_unicast+0x449/0x710 [ 983.883097][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.883097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.883097][ T10] ___sys_sendmsg+0xee/0x170 [ 983.883097][ T10] __sys_sendmsg+0xcd/0x170 [ 983.883097][ T10] do_syscall_64+0xc6/0x1e0 [ 983.883097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.883097][ T10] [ 983.884890][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 983.885169][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 983.885169][ T10] netdev_get_by_index+0x5e/0x80 [ 983.885169][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.885169][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.885169][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.885169][ T10] ipv6_add_addr+0x411/0x2000 [ 983.885169][ T10] inet6_addr_add+0x30e/0xa40 [ 983.885169][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.885169][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.885169][ T10] netlink_rcv_skb+0x130/0x360 [ 983.885169][ T10] netlink_unicast+0x449/0x710 [ 983.885169][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.885169][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.885169][ T10] ___sys_sendmsg+0xee/0x170 [ 983.885169][ T10] __sys_sendmsg+0xcd/0x170 [ 983.885169][ T10] do_syscall_64+0xc6/0x1e0 [ 983.885169][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.885169][ T10] [ 983.887706][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 983.887706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.887706][ T10] ipv6_find_idev+0x102/0x170 [ 983.887706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.887706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.887706][ T10] netlink_rcv_skb+0x130/0x360 [ 983.887706][ T10] netlink_unicast+0x449/0x710 [ 983.887706][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.887706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.887706][ T10] ___sys_sendmsg+0xee/0x170 [ 983.887706][ T10] __sys_sendmsg+0xcd/0x170 [ 983.887706][ T10] do_syscall_64+0xc6/0x1e0 [ 983.887706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.887706][ T10] [ 983.889215][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 983.889215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.889215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.889215][ T10] ipv6_find_idev+0x102/0x170 [ 983.889215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.889215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.889215][ T10] netlink_rcv_skb+0x130/0x360 [ 983.889215][ T10] netlink_unicast+0x449/0x710 [ 983.889215][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.889215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.889215][ T10] ___sys_sendmsg+0xee/0x170 [ 983.889215][ T10] __sys_sendmsg+0xcd/0x170 [ 983.889215][ T10] do_syscall_64+0xc6/0x1e0 [ 983.889215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.889215][ T10] [ 983.891261][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 983.891529][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 983.891529][ T10] netdev_get_by_index+0x5e/0x80 [ 983.891529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.891529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.891529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.891529][ T10] ipv6_add_addr+0x411/0x2000 [ 983.891529][ T10] inet6_addr_add+0x30e/0xa40 [ 983.891529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.891529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.891529][ T10] netlink_rcv_skb+0x130/0x360 [ 983.891529][ T10] netlink_unicast+0x449/0x710 [ 983.891529][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.891529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.891529][ T10] ___sys_sendmsg+0xee/0x170 [ 983.891529][ T10] __sys_sendmsg+0xcd/0x170 [ 983.891529][ T10] do_syscall_64+0xc6/0x1e0 [ 983.891529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.891529][ T10] [ 983.893483][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 983.893483][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.893483][ T10] ipv6_find_idev+0x102/0x170 [ 983.893483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.893483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.893483][ T10] netlink_rcv_skb+0x130/0x360 [ 983.893483][ T10] netlink_unicast+0x449/0x710 [ 983.893483][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.893483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.893483][ T10] ___sys_sendmsg+0xee/0x170 [ 983.893483][ T10] __sys_sendmsg+0xcd/0x170 [ 983.893483][ T10] do_syscall_64+0xc6/0x1e0 [ 983.893483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.893483][ T10] [ 983.894996][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 983.894996][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.894996][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.894996][ T10] ipv6_find_idev+0x102/0x170 [ 983.894996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.894996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.894996][ T10] netlink_rcv_skb+0x130/0x360 [ 983.894996][ T10] netlink_unicast+0x449/0x710 [ 983.894996][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.894996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.894996][ T10] ___sys_sendmsg+0xee/0x170 [ 983.894996][ T10] __sys_sendmsg+0xcd/0x170 [ 983.894996][ T10] do_syscall_64+0xc6/0x1e0 [ 983.894996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.894996][ T10] [ 983.896691][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 983.897025][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 983.897025][ T10] netdev_get_by_index+0x5e/0x80 [ 983.897025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.897025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.897025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.897025][ T10] ipv6_add_addr+0x411/0x2000 [ 983.897025][ T10] inet6_addr_add+0x30e/0xa40 [ 983.897025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.897025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.897025][ T10] netlink_rcv_skb+0x130/0x360 [ 983.897025][ T10] netlink_unicast+0x449/0x710 [ 983.897025][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.897025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.897025][ T10] ___sys_sendmsg+0xee/0x170 [ 983.897025][ T10] __sys_sendmsg+0xcd/0x170 [ 983.897025][ T10] do_syscall_64+0xc6/0x1e0 [ 983.897025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.897025][ T10] [ 983.899050][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 983.899050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.899050][ T10] ipv6_find_idev+0x102/0x170 [ 983.899050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.899050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.899050][ T10] netlink_rcv_skb+0x130/0x360 [ 983.899050][ T10] netlink_unicast+0x449/0x710 [ 983.899050][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.899050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.899050][ T10] ___sys_sendmsg+0xee/0x170 [ 983.899050][ T10] __sys_sendmsg+0xcd/0x170 [ 983.899050][ T10] do_syscall_64+0xc6/0x1e0 [ 983.899050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.899050][ T10] [ 983.900793][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 983.900793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.900793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.900793][ T10] ipv6_find_idev+0x102/0x170 [ 983.900793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.900793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.900793][ T10] netlink_rcv_skb+0x130/0x360 [ 983.900793][ T10] netlink_unicast+0x449/0x710 [ 983.900793][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.900793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.900793][ T10] ___sys_sendmsg+0xee/0x170 [ 983.900793][ T10] __sys_sendmsg+0xcd/0x170 [ 983.900793][ T10] do_syscall_64+0xc6/0x1e0 [ 983.900793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.900793][ T10] [ 983.902833][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 983.903142][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 983.903142][ T10] netdev_get_by_index+0x5e/0x80 [ 983.903142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.903142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.903142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.903142][ T10] ipv6_add_addr+0x411/0x2000 [ 983.903142][ T10] inet6_addr_add+0x30e/0xa40 [ 983.903142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.903142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.903142][ T10] netlink_rcv_skb+0x130/0x360 [ 983.903142][ T10] netlink_unicast+0x449/0x710 [ 983.903142][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.903142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.903142][ T10] ___sys_sendmsg+0xee/0x170 [ 983.903142][ T10] __sys_sendmsg+0xcd/0x170 [ 983.903142][ T10] do_syscall_64+0xc6/0x1e0 [ 983.903142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.903142][ T10] [ 983.905268][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 983.905268][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.905268][ T10] ipv6_find_idev+0x102/0x170 [ 983.905268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.905268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.905268][ T10] netlink_rcv_skb+0x130/0x360 [ 983.905268][ T10] netlink_unicast+0x449/0x710 [ 983.905268][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.905268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.905268][ T10] ___sys_sendmsg+0xee/0x170 [ 983.905268][ T10] __sys_sendmsg+0xcd/0x170 [ 983.905268][ T10] do_syscall_64+0xc6/0x1e0 [ 983.905268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.905268][ T10] [ 983.906951][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 983.906951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.906951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.906951][ T10] ipv6_find_idev+0x102/0x170 [ 983.906951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.906951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.906951][ T10] netlink_rcv_skb+0x130/0x360 [ 983.906951][ T10] netlink_unicast+0x449/0x710 [ 983.906951][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.906951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.906951][ T10] ___sys_sendmsg+0xee/0x170 [ 983.906951][ T10] __sys_sendmsg+0xcd/0x170 [ 983.906951][ T10] do_syscall_64+0xc6/0x1e0 [ 983.906951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.906951][ T10] [ 983.908818][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 983.909126][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 983.909126][ T10] netdev_get_by_index+0x5e/0x80 [ 983.909126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 983.909126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 983.909126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 983.909126][ T10] ipv6_add_addr+0x411/0x2000 [ 983.909126][ T10] inet6_addr_add+0x30e/0xa40 [ 983.909126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 983.909126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.909126][ T10] netlink_rcv_skb+0x130/0x360 [ 983.909126][ T10] netlink_unicast+0x449/0x710 [ 983.909126][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.909126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.909126][ T10] ___sys_sendmsg+0xee/0x170 [ 983.909126][ T10] __sys_sendmsg+0xcd/0x170 [ 983.909126][ T10] do_syscall_64+0xc6/0x1e0 [ 983.909126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.909126][ T10] [ 983.911331][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 983.911331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 983.911331][ T10] ipv6_find_idev+0x102/0x170 [ 983.911331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.911331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.911331][ T10] netlink_rcv_skb+0x130/0x360 [ 983.911331][ T10] netlink_unicast+0x449/0x710 [ 983.911331][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.911331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.911331][ T10] ___sys_sendmsg+0xee/0x170 [ 983.911331][ T10] __sys_sendmsg+0xcd/0x170 [ 983.911331][ T10] do_syscall_64+0xc6/0x1e0 [ 983.911331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.911331][ T10] [ 983.913013][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 983.913013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 983.913013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 983.913013][ T10] ipv6_find_idev+0x102/0x170 [ 983.913013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 983.913013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 983.913013][ T10] netlink_rcv_skb+0x130/0x360 [ 983.913013][ T10] netlink_unicast+0x449/0x710 [ 983.913013][ T10] netlink_sendmsg+0x723/0xbe0 [ 983.913013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 983.913013][ T10] ___sys_sendmsg+0xee/0x170 [ 983.913013][ T10] __sys_sendmsg+0xcd/0x170 [ 983.913013][ T10] do_syscall_64+0xc6/0x1e0 [ 983.913013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 983.913013][ T10] [ 984.362940][ T42] INFO: task modprobe:1062 blocked for more than 737 seconds. [ 984.363221][ T42] Not tainted 6.8.0-virtme #1 [ 984.363337][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.363542][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 984.363814][ T42] Call Trace: [ 984.363937][ T42] [ 984.364008][ T42] __schedule+0x705/0x1ac0 [ 984.364141][ T42] ? __pfx___schedule+0x10/0x10 [ 984.364268][ T42] ? schedule+0x1a5/0x210 [ 984.364363][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.364503][ T42] ? mark_lock+0x38/0x3e0 [ 984.364598][ T42] ? do_raw_spin_lock+0x131/0x270 [ 984.364724][ T42] ? schedule+0x1a5/0x210 [ 984.364821][ T42] schedule+0xdf/0x210 [ 984.364930][ T42] schedule_preempt_disabled+0x15/0x30 [ 984.365053][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 984.365180][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 984.365337][ T42] ? kasan_save_stack+0x34/0x50 [ 984.365459][ T42] ? kasan_save_stack+0x24/0x50 [ 984.365593][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 984.365722][ T42] ? lock_acquire+0x1c1/0x220 [ 984.365853][ T42] ? register_pernet_subsys+0x1a/0x50 [ 984.365984][ T42] down_write+0x1c9/0x200 [ 984.366078][ T42] ? __pfx_down_write+0x10/0x10 [ 984.366204][ T42] ? __pfx___lock_release+0x10/0x10 [ 984.366335][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 984.366533][ T42] register_pernet_subsys+0x1a/0x50 [ 984.366657][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 984.366850][ T42] do_one_initcall+0xc8/0x3f0 [ 984.366979][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 984.367104][ T42] ? __create_object+0x5e/0xb0 [ 984.367230][ T42] ? kasan_unpoison+0x27/0x60 [ 984.367361][ T42] do_init_module+0x233/0x740 [ 984.367504][ T42] load_module+0x16b5/0x2350 [ 984.367638][ T42] ? __pfx_load_module+0x10/0x10 [ 984.367762][ T42] ? kernel_read_file+0x3d2/0x520 [ 984.367919][ T42] ? kernel_read_file+0x300/0x520 [ 984.368046][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 984.368177][ T42] ? init_module_from_file+0xd2/0x130 [ 984.368298][ T42] init_module_from_file+0xd2/0x130 [ 984.368423][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 984.368599][ T42] ? __lock_release+0x103/0x460 [ 984.368724][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.368866][ T42] ? idempotent_init_module+0x32a/0x620 [ 984.368990][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 984.369116][ T42] idempotent_init_module+0x342/0x620 [ 984.369241][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 984.369409][ T42] __x64_sys_finit_module+0xbe/0x130 [ 984.369551][ T42] do_syscall_64+0xc6/0x1e0 [ 984.369676][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 984.369828][ T42] RIP: 0033:0x7f81e06dce5d [ 984.369963][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 984.370149][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 984.370331][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 984.370525][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 984.370706][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 984.370896][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 984.371093][ T42] [ 984.371187][ T42] [ 984.371187][ T42] Showing all locks held in the system: [ 984.371360][ T42] 3 locks held by kworker/u16:0/10: [ 984.371486][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.371741][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.371980][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 984.372199][ T42] 1 lock held by khungtaskd/42: [ 984.372320][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 984.372551][ T42] 2 locks held by kworker/u20:1/62: [ 984.372670][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 984.372925][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 984.373200][ T42] 1 lock held by modprobe/1062: [ 984.373321][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 984.373578][ T42] [ 984.373638][ T42] ============================================= [ 984.373638][ T42] [ 994.170917][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 994.171312][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 994.171312][ T10] netdev_get_by_index+0x5e/0x80 [ 994.171312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.171312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.171312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.171312][ T10] ipv6_add_addr+0x411/0x2000 [ 994.171312][ T10] inet6_addr_add+0x30e/0xa40 [ 994.171312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.171312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.171312][ T10] netlink_rcv_skb+0x130/0x360 [ 994.171312][ T10] netlink_unicast+0x449/0x710 [ 994.171312][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.171312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.171312][ T10] ___sys_sendmsg+0xee/0x170 [ 994.171312][ T10] __sys_sendmsg+0xcd/0x170 [ 994.171312][ T10] do_syscall_64+0xc6/0x1e0 [ 994.171312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.171312][ T10] [ 994.173344][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 994.173344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.173344][ T10] ipv6_find_idev+0x102/0x170 [ 994.173344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.173344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.173344][ T10] netlink_rcv_skb+0x130/0x360 [ 994.173344][ T10] netlink_unicast+0x449/0x710 [ 994.173344][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.173344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.173344][ T10] ___sys_sendmsg+0xee/0x170 [ 994.173344][ T10] __sys_sendmsg+0xcd/0x170 [ 994.173344][ T10] do_syscall_64+0xc6/0x1e0 [ 994.173344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.173344][ T10] [ 994.174927][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 994.174927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.174927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.174927][ T10] ipv6_find_idev+0x102/0x170 [ 994.174927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.174927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.174927][ T10] netlink_rcv_skb+0x130/0x360 [ 994.174927][ T10] netlink_unicast+0x449/0x710 [ 994.174927][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.174927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.174927][ T10] ___sys_sendmsg+0xee/0x170 [ 994.174927][ T10] __sys_sendmsg+0xcd/0x170 [ 994.174927][ T10] do_syscall_64+0xc6/0x1e0 [ 994.174927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.174927][ T10] [ 994.176637][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 994.176934][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 994.176934][ T10] netdev_get_by_index+0x5e/0x80 [ 994.176934][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.176934][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.176934][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.176934][ T10] ipv6_add_addr+0x411/0x2000 [ 994.176934][ T10] inet6_addr_add+0x30e/0xa40 [ 994.176934][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.176934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.176934][ T10] netlink_rcv_skb+0x130/0x360 [ 994.176934][ T10] netlink_unicast+0x449/0x710 [ 994.176934][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.176934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.176934][ T10] ___sys_sendmsg+0xee/0x170 [ 994.176934][ T10] __sys_sendmsg+0xcd/0x170 [ 994.176934][ T10] do_syscall_64+0xc6/0x1e0 [ 994.176934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.176934][ T10] [ 994.179479][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 994.179479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.179479][ T10] ipv6_find_idev+0x102/0x170 [ 994.179479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.179479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.179479][ T10] netlink_rcv_skb+0x130/0x360 [ 994.179479][ T10] netlink_unicast+0x449/0x710 [ 994.179479][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.179479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.179479][ T10] ___sys_sendmsg+0xee/0x170 [ 994.179479][ T10] __sys_sendmsg+0xcd/0x170 [ 994.179479][ T10] do_syscall_64+0xc6/0x1e0 [ 994.179479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.179479][ T10] [ 994.181019][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 994.181019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.181019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.181019][ T10] ipv6_find_idev+0x102/0x170 [ 994.181019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.181019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.181019][ T10] netlink_rcv_skb+0x130/0x360 [ 994.181019][ T10] netlink_unicast+0x449/0x710 [ 994.181019][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.181019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.181019][ T10] ___sys_sendmsg+0xee/0x170 [ 994.181019][ T10] __sys_sendmsg+0xcd/0x170 [ 994.181019][ T10] do_syscall_64+0xc6/0x1e0 [ 994.181019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.181019][ T10] [ 994.182715][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 994.182997][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 994.182997][ T10] netdev_get_by_index+0x5e/0x80 [ 994.182997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.182997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.182997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.182997][ T10] ipv6_add_addr+0x411/0x2000 [ 994.182997][ T10] inet6_addr_add+0x30e/0xa40 [ 994.182997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.182997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.182997][ T10] netlink_rcv_skb+0x130/0x360 [ 994.182997][ T10] netlink_unicast+0x449/0x710 [ 994.182997][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.182997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.182997][ T10] ___sys_sendmsg+0xee/0x170 [ 994.182997][ T10] __sys_sendmsg+0xcd/0x170 [ 994.182997][ T10] do_syscall_64+0xc6/0x1e0 [ 994.182997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.182997][ T10] [ 994.184985][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 994.184985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.184985][ T10] ipv6_find_idev+0x102/0x170 [ 994.184985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.184985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.184985][ T10] netlink_rcv_skb+0x130/0x360 [ 994.184985][ T10] netlink_unicast+0x449/0x710 [ 994.184985][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.184985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.184985][ T10] ___sys_sendmsg+0xee/0x170 [ 994.184985][ T10] __sys_sendmsg+0xcd/0x170 [ 994.184985][ T10] do_syscall_64+0xc6/0x1e0 [ 994.184985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.184985][ T10] [ 994.186516][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 994.186516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.186516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.186516][ T10] ipv6_find_idev+0x102/0x170 [ 994.186516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.186516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.186516][ T10] netlink_rcv_skb+0x130/0x360 [ 994.186516][ T10] netlink_unicast+0x449/0x710 [ 994.186516][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.186516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.186516][ T10] ___sys_sendmsg+0xee/0x170 [ 994.186516][ T10] __sys_sendmsg+0xcd/0x170 [ 994.186516][ T10] do_syscall_64+0xc6/0x1e0 [ 994.186516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.186516][ T10] [ 994.188199][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 994.188468][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 994.188468][ T10] netdev_get_by_index+0x5e/0x80 [ 994.188468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.188468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.188468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.188468][ T10] ipv6_add_addr+0x411/0x2000 [ 994.188468][ T10] inet6_addr_add+0x30e/0xa40 [ 994.188468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.188468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.188468][ T10] netlink_rcv_skb+0x130/0x360 [ 994.188468][ T10] netlink_unicast+0x449/0x710 [ 994.188468][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.188468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.188468][ T10] ___sys_sendmsg+0xee/0x170 [ 994.188468][ T10] __sys_sendmsg+0xcd/0x170 [ 994.188468][ T10] do_syscall_64+0xc6/0x1e0 [ 994.188468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.188468][ T10] [ 994.190464][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 994.190464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.190464][ T10] ipv6_find_idev+0x102/0x170 [ 994.190464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.190464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.190464][ T10] netlink_rcv_skb+0x130/0x360 [ 994.190464][ T10] netlink_unicast+0x449/0x710 [ 994.190464][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.190464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.190464][ T10] ___sys_sendmsg+0xee/0x170 [ 994.190464][ T10] __sys_sendmsg+0xcd/0x170 [ 994.190464][ T10] do_syscall_64+0xc6/0x1e0 [ 994.190464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.190464][ T10] [ 994.192001][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 994.192001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.192001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.192001][ T10] ipv6_find_idev+0x102/0x170 [ 994.192001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.192001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.192001][ T10] netlink_rcv_skb+0x130/0x360 [ 994.192001][ T10] netlink_unicast+0x449/0x710 [ 994.192001][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.192001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.192001][ T10] ___sys_sendmsg+0xee/0x170 [ 994.192001][ T10] __sys_sendmsg+0xcd/0x170 [ 994.192001][ T10] do_syscall_64+0xc6/0x1e0 [ 994.192001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.192001][ T10] [ 994.194112][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 994.194711][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 994.194711][ T10] netdev_get_by_index+0x5e/0x80 [ 994.194711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.194711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.194711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.194711][ T10] ipv6_add_addr+0x411/0x2000 [ 994.194711][ T10] inet6_addr_add+0x30e/0xa40 [ 994.194711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.194711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.194711][ T10] netlink_rcv_skb+0x130/0x360 [ 994.194711][ T10] netlink_unicast+0x449/0x710 [ 994.194711][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.194711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.194711][ T10] ___sys_sendmsg+0xee/0x170 [ 994.194711][ T10] __sys_sendmsg+0xcd/0x170 [ 994.194711][ T10] do_syscall_64+0xc6/0x1e0 [ 994.194711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.194711][ T10] [ 994.196693][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 994.196693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.196693][ T10] ipv6_find_idev+0x102/0x170 [ 994.196693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.196693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.196693][ T10] netlink_rcv_skb+0x130/0x360 [ 994.196693][ T10] netlink_unicast+0x449/0x710 [ 994.196693][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.196693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.196693][ T10] ___sys_sendmsg+0xee/0x170 [ 994.196693][ T10] __sys_sendmsg+0xcd/0x170 [ 994.196693][ T10] do_syscall_64+0xc6/0x1e0 [ 994.196693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.196693][ T10] [ 994.198215][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 994.198215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.198215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.198215][ T10] ipv6_find_idev+0x102/0x170 [ 994.198215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.198215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.198215][ T10] netlink_rcv_skb+0x130/0x360 [ 994.198215][ T10] netlink_unicast+0x449/0x710 [ 994.198215][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.198215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.198215][ T10] ___sys_sendmsg+0xee/0x170 [ 994.198215][ T10] __sys_sendmsg+0xcd/0x170 [ 994.198215][ T10] do_syscall_64+0xc6/0x1e0 [ 994.198215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.198215][ T10] [ 994.199915][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 994.200179][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 994.200179][ T10] netdev_get_by_index+0x5e/0x80 [ 994.200179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.200179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.200179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.200179][ T10] ipv6_add_addr+0x411/0x2000 [ 994.200179][ T10] inet6_addr_add+0x30e/0xa40 [ 994.200179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.200179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.200179][ T10] netlink_rcv_skb+0x130/0x360 [ 994.200179][ T10] netlink_unicast+0x449/0x710 [ 994.200179][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.200179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.200179][ T10] ___sys_sendmsg+0xee/0x170 [ 994.200179][ T10] __sys_sendmsg+0xcd/0x170 [ 994.200179][ T10] do_syscall_64+0xc6/0x1e0 [ 994.200179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.200179][ T10] [ 994.202575][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 994.202575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.202575][ T10] ipv6_find_idev+0x102/0x170 [ 994.202575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.202575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.202575][ T10] netlink_rcv_skb+0x130/0x360 [ 994.202575][ T10] netlink_unicast+0x449/0x710 [ 994.202575][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.202575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.202575][ T10] ___sys_sendmsg+0xee/0x170 [ 994.202575][ T10] __sys_sendmsg+0xcd/0x170 [ 994.202575][ T10] do_syscall_64+0xc6/0x1e0 [ 994.202575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.202575][ T10] [ 994.204159][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 994.204159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.204159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.204159][ T10] ipv6_find_idev+0x102/0x170 [ 994.204159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.204159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.204159][ T10] netlink_rcv_skb+0x130/0x360 [ 994.204159][ T10] netlink_unicast+0x449/0x710 [ 994.204159][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.204159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.204159][ T10] ___sys_sendmsg+0xee/0x170 [ 994.204159][ T10] __sys_sendmsg+0xcd/0x170 [ 994.204159][ T10] do_syscall_64+0xc6/0x1e0 [ 994.204159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.204159][ T10] [ 994.206120][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 994.206436][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 994.206436][ T10] netdev_get_by_index+0x5e/0x80 [ 994.206436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.206436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.206436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.206436][ T10] ipv6_add_addr+0x411/0x2000 [ 994.206436][ T10] inet6_addr_add+0x30e/0xa40 [ 994.206436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.206436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.206436][ T10] netlink_rcv_skb+0x130/0x360 [ 994.206436][ T10] netlink_unicast+0x449/0x710 [ 994.206436][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.206436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.206436][ T10] ___sys_sendmsg+0xee/0x170 [ 994.206436][ T10] __sys_sendmsg+0xcd/0x170 [ 994.206436][ T10] do_syscall_64+0xc6/0x1e0 [ 994.206436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.206436][ T10] [ 994.208616][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 994.208616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.208616][ T10] ipv6_find_idev+0x102/0x170 [ 994.208616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.208616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.208616][ T10] netlink_rcv_skb+0x130/0x360 [ 994.208616][ T10] netlink_unicast+0x449/0x710 [ 994.208616][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.208616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.208616][ T10] ___sys_sendmsg+0xee/0x170 [ 994.208616][ T10] __sys_sendmsg+0xcd/0x170 [ 994.208616][ T10] do_syscall_64+0xc6/0x1e0 [ 994.208616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.208616][ T10] [ 994.210327][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 994.210327][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.210327][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.210327][ T10] ipv6_find_idev+0x102/0x170 [ 994.210327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.210327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.210327][ T10] netlink_rcv_skb+0x130/0x360 [ 994.210327][ T10] netlink_unicast+0x449/0x710 [ 994.210327][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.210327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.210327][ T10] ___sys_sendmsg+0xee/0x170 [ 994.210327][ T10] __sys_sendmsg+0xcd/0x170 [ 994.210327][ T10] do_syscall_64+0xc6/0x1e0 [ 994.210327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.210327][ T10] [ 994.212281][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 994.212588][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 994.212588][ T10] netdev_get_by_index+0x5e/0x80 [ 994.212588][ T10] fib6_nh_init+0x3d8/0x15b0 [ 994.212588][ T10] ip6_route_info_create+0xf18/0x17d0 [ 994.212588][ T10] addrconf_f6i_alloc+0x244/0x410 [ 994.212588][ T10] ipv6_add_addr+0x411/0x2000 [ 994.212588][ T10] inet6_addr_add+0x30e/0xa40 [ 994.212588][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 994.212588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.212588][ T10] netlink_rcv_skb+0x130/0x360 [ 994.212588][ T10] netlink_unicast+0x449/0x710 [ 994.212588][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.212588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.212588][ T10] ___sys_sendmsg+0xee/0x170 [ 994.212588][ T10] __sys_sendmsg+0xcd/0x170 [ 994.212588][ T10] do_syscall_64+0xc6/0x1e0 [ 994.212588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.212588][ T10] [ 994.214752][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 994.214752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 994.214752][ T10] ipv6_find_idev+0x102/0x170 [ 994.214752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.214752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.214752][ T10] netlink_rcv_skb+0x130/0x360 [ 994.214752][ T10] netlink_unicast+0x449/0x710 [ 994.214752][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.214752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.214752][ T10] ___sys_sendmsg+0xee/0x170 [ 994.214752][ T10] __sys_sendmsg+0xcd/0x170 [ 994.214752][ T10] do_syscall_64+0xc6/0x1e0 [ 994.214752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.214752][ T10] [ 994.216396][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 994.216396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 994.216396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 994.216396][ T10] ipv6_find_idev+0x102/0x170 [ 994.216396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 994.216396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 994.216396][ T10] netlink_rcv_skb+0x130/0x360 [ 994.216396][ T10] netlink_unicast+0x449/0x710 [ 994.216396][ T10] netlink_sendmsg+0x723/0xbe0 [ 994.216396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 994.216396][ T10] ___sys_sendmsg+0xee/0x170 [ 994.216396][ T10] __sys_sendmsg+0xcd/0x170 [ 994.216396][ T10] do_syscall_64+0xc6/0x1e0 [ 994.216396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 994.216396][ T10] [ 1004.290939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1004.291319][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1004.291319][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.291319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.291319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.291319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.291319][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.291319][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.291319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.291319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.291319][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.291319][ T10] netlink_unicast+0x449/0x710 [ 1004.291319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.291319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.291319][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.291319][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.291319][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.291319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.291319][ T10] [ 1004.293315][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1004.293315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.293315][ T10] ipv6_find_idev+0x102/0x170 [ 1004.293315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.293315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.293315][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.293315][ T10] netlink_unicast+0x449/0x710 [ 1004.293315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.293315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.293315][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.293315][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.293315][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.293315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.293315][ T10] [ 1004.294843][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1004.294843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.294843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.294843][ T10] ipv6_find_idev+0x102/0x170 [ 1004.294843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.294843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.294843][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.294843][ T10] netlink_unicast+0x449/0x710 [ 1004.294843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.294843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.294843][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.294843][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.294843][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.294843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.294843][ T10] [ 1004.296534][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1004.296820][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1004.296820][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.296820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.296820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.296820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.296820][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.296820][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.296820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.296820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.296820][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.296820][ T10] netlink_unicast+0x449/0x710 [ 1004.296820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.296820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.296820][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.296820][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.296820][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.296820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.296820][ T10] [ 1004.299087][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1004.299087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.299087][ T10] ipv6_find_idev+0x102/0x170 [ 1004.299087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.299087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.299087][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.299087][ T10] netlink_unicast+0x449/0x710 [ 1004.299087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.299087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.299087][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.299087][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.299087][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.299087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.299087][ T10] [ 1004.300636][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1004.300636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.300636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.300636][ T10] ipv6_find_idev+0x102/0x170 [ 1004.300636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.300636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.300636][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.300636][ T10] netlink_unicast+0x449/0x710 [ 1004.300636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.300636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.300636][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.300636][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.300636][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.300636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.300636][ T10] [ 1004.302729][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1004.303398][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1004.303398][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.303398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.303398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.303398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.303398][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.303398][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.303398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.303398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.303398][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.303398][ T10] netlink_unicast+0x449/0x710 [ 1004.303398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.303398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.303398][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.303398][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.303398][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.303398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.303398][ T10] [ 1004.305375][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1004.305375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.305375][ T10] ipv6_find_idev+0x102/0x170 [ 1004.305375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.305375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.305375][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.305375][ T10] netlink_unicast+0x449/0x710 [ 1004.305375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.305375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.305375][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.305375][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.305375][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.305375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.305375][ T10] [ 1004.306876][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1004.306876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.306876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.306876][ T10] ipv6_find_idev+0x102/0x170 [ 1004.306876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.306876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.306876][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.306876][ T10] netlink_unicast+0x449/0x710 [ 1004.306876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.306876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.306876][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.306876][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.306876][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.306876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.306876][ T10] [ 1004.308551][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1004.308844][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1004.308844][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.308844][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.308844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.308844][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.308844][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.308844][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.308844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.308844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.308844][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.308844][ T10] netlink_unicast+0x449/0x710 [ 1004.308844][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.308844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.308844][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.308844][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.308844][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.308844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.308844][ T10] [ 1004.310793][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1004.310793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.310793][ T10] ipv6_find_idev+0x102/0x170 [ 1004.310793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.310793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.310793][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.310793][ T10] netlink_unicast+0x449/0x710 [ 1004.310793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.310793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.310793][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.310793][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.310793][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.310793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.310793][ T10] [ 1004.312300][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1004.312300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.312300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.312300][ T10] ipv6_find_idev+0x102/0x170 [ 1004.312300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.312300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.312300][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.312300][ T10] netlink_unicast+0x449/0x710 [ 1004.312300][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.312300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.312300][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.312300][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.312300][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.312300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.312300][ T10] [ 1004.314404][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1004.314674][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1004.314674][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.314674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.314674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.314674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.314674][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.314674][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.314674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.314674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.314674][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.314674][ T10] netlink_unicast+0x449/0x710 [ 1004.314674][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.314674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.314674][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.314674][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.314674][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.314674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.314674][ T10] [ 1004.316659][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1004.316659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.316659][ T10] ipv6_find_idev+0x102/0x170 [ 1004.316659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.316659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.316659][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.316659][ T10] netlink_unicast+0x449/0x710 [ 1004.316659][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.316659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.316659][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.316659][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.316659][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.316659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.316659][ T10] [ 1004.318166][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1004.318166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.318166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.318166][ T10] ipv6_find_idev+0x102/0x170 [ 1004.318166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.318166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.318166][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.318166][ T10] netlink_unicast+0x449/0x710 [ 1004.318166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.318166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.318166][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.318166][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.318166][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.318166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.318166][ T10] [ 1004.319890][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1004.320148][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1004.320148][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.320148][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.320148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.320148][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.320148][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.320148][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.320148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.320148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.320148][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.320148][ T10] netlink_unicast+0x449/0x710 [ 1004.320148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.320148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.320148][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.320148][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.320148][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.320148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.320148][ T10] [ 1004.322264][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1004.322264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.322264][ T10] ipv6_find_idev+0x102/0x170 [ 1004.322264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.322264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.322264][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.322264][ T10] netlink_unicast+0x449/0x710 [ 1004.322264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.322264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.322264][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.322264][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.322264][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.322264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.322264][ T10] [ 1004.323955][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1004.323955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.323955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.323955][ T10] ipv6_find_idev+0x102/0x170 [ 1004.323955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.323955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.323955][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.323955][ T10] netlink_unicast+0x449/0x710 [ 1004.323955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.323955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.323955][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.323955][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.323955][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.323955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.323955][ T10] [ 1004.325905][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1004.326163][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1004.326163][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.326163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.326163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.326163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.326163][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.326163][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.326163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.326163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.326163][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.326163][ T10] netlink_unicast+0x449/0x710 [ 1004.326163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.326163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.326163][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.326163][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.326163][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.326163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.326163][ T10] [ 1004.328365][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1004.328365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.328365][ T10] ipv6_find_idev+0x102/0x170 [ 1004.328365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.328365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.328365][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.328365][ T10] netlink_unicast+0x449/0x710 [ 1004.328365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.328365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.328365][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.328365][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.328365][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.328365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.328365][ T10] [ 1004.330081][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1004.330081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.330081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.330081][ T10] ipv6_find_idev+0x102/0x170 [ 1004.330081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.330081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.330081][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.330081][ T10] netlink_unicast+0x449/0x710 [ 1004.330081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.330081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.330081][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.330081][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.330081][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.330081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.330081][ T10] [ 1004.331948][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1004.332214][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1004.332214][ T10] netdev_get_by_index+0x5e/0x80 [ 1004.332214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1004.332214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1004.332214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1004.332214][ T10] ipv6_add_addr+0x411/0x2000 [ 1004.332214][ T10] inet6_addr_add+0x30e/0xa40 [ 1004.332214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1004.332214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.332214][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.332214][ T10] netlink_unicast+0x449/0x710 [ 1004.332214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.332214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.332214][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.332214][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.332214][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.332214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.332214][ T10] [ 1004.334431][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1004.334431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1004.334431][ T10] ipv6_find_idev+0x102/0x170 [ 1004.334431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.334431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.334431][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.334431][ T10] netlink_unicast+0x449/0x710 [ 1004.334431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.334431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.334431][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.334431][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.334431][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.334431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.334431][ T10] [ 1004.336181][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1004.336181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1004.336181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1004.336181][ T10] ipv6_find_idev+0x102/0x170 [ 1004.336181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1004.336181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1004.336181][ T10] netlink_rcv_skb+0x130/0x360 [ 1004.336181][ T10] netlink_unicast+0x449/0x710 [ 1004.336181][ T10] netlink_sendmsg+0x723/0xbe0 [ 1004.336181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1004.336181][ T10] ___sys_sendmsg+0xee/0x170 [ 1004.336181][ T10] __sys_sendmsg+0xcd/0x170 [ 1004.336181][ T10] do_syscall_64+0xc6/0x1e0 [ 1004.336181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1004.336181][ T10] [ 1014.578910][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1014.579340][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1014.579340][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.579340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.579340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.579340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.579340][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.579340][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.579340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.579340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.579340][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.579340][ T10] netlink_unicast+0x449/0x710 [ 1014.579340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.579340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.579340][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.579340][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.579340][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.579340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.579340][ T10] [ 1014.581549][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1014.581549][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.581549][ T10] ipv6_find_idev+0x102/0x170 [ 1014.581549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.581549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.581549][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.581549][ T10] netlink_unicast+0x449/0x710 [ 1014.581549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.581549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.581549][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.581549][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.581549][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.581549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.581549][ T10] [ 1014.583211][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1014.583211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.583211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.583211][ T10] ipv6_find_idev+0x102/0x170 [ 1014.583211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.583211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.583211][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.583211][ T10] netlink_unicast+0x449/0x710 [ 1014.583211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.583211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.583211][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.583211][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.583211][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.583211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.583211][ T10] [ 1014.585051][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1014.585337][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1014.585337][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.585337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.585337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.585337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.585337][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.585337][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.585337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.585337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.585337][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.585337][ T10] netlink_unicast+0x449/0x710 [ 1014.585337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.585337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.585337][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.585337][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.585337][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.585337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.585337][ T10] [ 1014.587485][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1014.587485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.587485][ T10] ipv6_find_idev+0x102/0x170 [ 1014.587485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.587485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.587485][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.587485][ T10] netlink_unicast+0x449/0x710 [ 1014.587485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.587485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.587485][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.587485][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.587485][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.587485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.587485][ T10] [ 1014.589144][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1014.589144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.589144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.589144][ T10] ipv6_find_idev+0x102/0x170 [ 1014.589144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.589144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.589144][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.589144][ T10] netlink_unicast+0x449/0x710 [ 1014.589144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.589144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.589144][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.589144][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.589144][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.589144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.589144][ T10] [ 1014.590925][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1014.591214][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1014.591214][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.591214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.591214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.591214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.591214][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.591214][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.591214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.591214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.591214][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.591214][ T10] netlink_unicast+0x449/0x710 [ 1014.591214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.591214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.591214][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.591214][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.591214][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.591214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.591214][ T10] [ 1014.593322][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1014.593322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.593322][ T10] ipv6_find_idev+0x102/0x170 [ 1014.593322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.593322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.593322][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.593322][ T10] netlink_unicast+0x449/0x710 [ 1014.593322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.593322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.593322][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.593322][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.593322][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.593322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.593322][ T10] [ 1014.594978][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1014.594978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.594978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.594978][ T10] ipv6_find_idev+0x102/0x170 [ 1014.594978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.594978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.594978][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.594978][ T10] netlink_unicast+0x449/0x710 [ 1014.594978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.594978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.594978][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.594978][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.594978][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.594978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.594978][ T10] [ 1014.596795][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1014.597515][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1014.597515][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.597515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.597515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.597515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.597515][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.597515][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.597515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.597515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.597515][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.597515][ T10] netlink_unicast+0x449/0x710 [ 1014.597515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.597515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.597515][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.597515][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.597515][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.597515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.597515][ T10] [ 1014.599699][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1014.599699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.599699][ T10] ipv6_find_idev+0x102/0x170 [ 1014.599699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.599699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.599699][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.599699][ T10] netlink_unicast+0x449/0x710 [ 1014.599699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.599699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.599699][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.599699][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.599699][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.599699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.599699][ T10] [ 1014.601344][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1014.601344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.601344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.601344][ T10] ipv6_find_idev+0x102/0x170 [ 1014.601344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.601344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.601344][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.601344][ T10] netlink_unicast+0x449/0x710 [ 1014.601344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.601344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.601344][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.601344][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.601344][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.601344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.601344][ T10] [ 1014.603703][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1014.604026][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1014.604026][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.604026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.604026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.604026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.604026][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.604026][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.604026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.604026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.604026][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.604026][ T10] netlink_unicast+0x449/0x710 [ 1014.604026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.604026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.604026][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.604026][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.604026][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.604026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.604026][ T10] [ 1014.605986][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1014.605986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.605986][ T10] ipv6_find_idev+0x102/0x170 [ 1014.605986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.605986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.605986][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.605986][ T10] netlink_unicast+0x449/0x710 [ 1014.605986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.605986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.605986][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.605986][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.605986][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.605986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.605986][ T10] [ 1014.607525][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1014.607525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.607525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.607525][ T10] ipv6_find_idev+0x102/0x170 [ 1014.607525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.607525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.607525][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.607525][ T10] netlink_unicast+0x449/0x710 [ 1014.607525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.607525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.607525][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.607525][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.607525][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.607525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.607525][ T10] [ 1014.609245][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1014.609508][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1014.609508][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.609508][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.609508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.609508][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.609508][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.609508][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.609508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.609508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.609508][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.609508][ T10] netlink_unicast+0x449/0x710 [ 1014.609508][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.609508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.609508][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.609508][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.609508][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.609508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.609508][ T10] [ 1014.611545][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1014.611545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.611545][ T10] ipv6_find_idev+0x102/0x170 [ 1014.611545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.611545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.611545][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.611545][ T10] netlink_unicast+0x449/0x710 [ 1014.611545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.611545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.611545][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.611545][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.611545][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.611545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.611545][ T10] [ 1014.613360][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1014.613360][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.613360][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.613360][ T10] ipv6_find_idev+0x102/0x170 [ 1014.613360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.613360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.613360][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.613360][ T10] netlink_unicast+0x449/0x710 [ 1014.613360][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.613360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.613360][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.613360][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.613360][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.613360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.613360][ T10] [ 1014.615234][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1014.615511][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1014.615511][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.615511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.615511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.615511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.615511][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.615511][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.615511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.615511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.615511][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.615511][ T10] netlink_unicast+0x449/0x710 [ 1014.615511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.615511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.615511][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.615511][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.615511][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.615511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.615511][ T10] [ 1014.617727][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1014.617727][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.617727][ T10] ipv6_find_idev+0x102/0x170 [ 1014.617727][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.617727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.617727][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.617727][ T10] netlink_unicast+0x449/0x710 [ 1014.617727][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.617727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.617727][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.617727][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.617727][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.617727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.617727][ T10] [ 1014.619425][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1014.619425][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.619425][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.619425][ T10] ipv6_find_idev+0x102/0x170 [ 1014.619425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.619425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.619425][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.619425][ T10] netlink_unicast+0x449/0x710 [ 1014.619425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.619425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.619425][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.619425][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.619425][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.619425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.619425][ T10] [ 1014.621728][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1014.622047][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1014.622047][ T10] netdev_get_by_index+0x5e/0x80 [ 1014.622047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1014.622047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1014.622047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1014.622047][ T10] ipv6_add_addr+0x411/0x2000 [ 1014.622047][ T10] inet6_addr_add+0x30e/0xa40 [ 1014.622047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1014.622047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.622047][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.622047][ T10] netlink_unicast+0x449/0x710 [ 1014.622047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.622047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.622047][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.622047][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.622047][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.622047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.622047][ T10] [ 1014.624290][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1014.624290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1014.624290][ T10] ipv6_find_idev+0x102/0x170 [ 1014.624290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.624290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.624290][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.624290][ T10] netlink_unicast+0x449/0x710 [ 1014.624290][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.624290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.624290][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.624290][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.624290][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.624290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.624290][ T10] [ 1014.625999][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1014.625999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1014.625999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1014.625999][ T10] ipv6_find_idev+0x102/0x170 [ 1014.625999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1014.625999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1014.625999][ T10] netlink_rcv_skb+0x130/0x360 [ 1014.625999][ T10] netlink_unicast+0x449/0x710 [ 1014.625999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1014.625999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1014.625999][ T10] ___sys_sendmsg+0xee/0x170 [ 1014.625999][ T10] __sys_sendmsg+0xcd/0x170 [ 1014.625999][ T10] do_syscall_64+0xc6/0x1e0 [ 1014.625999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1014.625999][ T10] [ 1024.866913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1024.867296][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1024.867296][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.867296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.867296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.867296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.867296][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.867296][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.867296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.867296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.867296][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.867296][ T10] netlink_unicast+0x449/0x710 [ 1024.867296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.867296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.867296][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.867296][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.867296][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.867296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.867296][ T10] [ 1024.869319][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1024.869319][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.869319][ T10] ipv6_find_idev+0x102/0x170 [ 1024.869319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.869319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.869319][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.869319][ T10] netlink_unicast+0x449/0x710 [ 1024.869319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.869319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.869319][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.869319][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.869319][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.869319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.869319][ T10] [ 1024.870835][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1024.870835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.870835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.870835][ T10] ipv6_find_idev+0x102/0x170 [ 1024.870835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.870835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.870835][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.870835][ T10] netlink_unicast+0x449/0x710 [ 1024.870835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.870835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.870835][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.870835][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.870835][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.870835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.870835][ T10] [ 1024.872493][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1024.872758][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1024.872758][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.872758][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.872758][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.872758][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.872758][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.872758][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.872758][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.872758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.872758][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.872758][ T10] netlink_unicast+0x449/0x710 [ 1024.872758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.872758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.872758][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.872758][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.872758][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.872758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.872758][ T10] [ 1024.874723][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1024.874723][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.874723][ T10] ipv6_find_idev+0x102/0x170 [ 1024.874723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.874723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.874723][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.874723][ T10] netlink_unicast+0x449/0x710 [ 1024.874723][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.874723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.874723][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.874723][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.874723][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.874723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.874723][ T10] [ 1024.876233][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1024.876233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.876233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.876233][ T10] ipv6_find_idev+0x102/0x170 [ 1024.876233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.876233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.876233][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.876233][ T10] netlink_unicast+0x449/0x710 [ 1024.876233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.876233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.876233][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.876233][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.876233][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.876233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.876233][ T10] [ 1024.877894][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1024.878165][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1024.878165][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.878165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.878165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.878165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.878165][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.878165][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.878165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.878165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.878165][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.878165][ T10] netlink_unicast+0x449/0x710 [ 1024.878165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.878165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.878165][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.878165][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.878165][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.878165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.878165][ T10] [ 1024.880128][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1024.880128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.880128][ T10] ipv6_find_idev+0x102/0x170 [ 1024.880128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.880128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.880128][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.880128][ T10] netlink_unicast+0x449/0x710 [ 1024.880128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.880128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.880128][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.880128][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.880128][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.880128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.880128][ T10] [ 1024.881652][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1024.881652][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.881652][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.881652][ T10] ipv6_find_idev+0x102/0x170 [ 1024.881652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.881652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.881652][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.881652][ T10] netlink_unicast+0x449/0x710 [ 1024.881652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.881652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.881652][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.881652][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.881652][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.881652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.881652][ T10] [ 1024.883302][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1024.883563][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1024.883563][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.883563][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.883563][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.883563][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.883563][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.883563][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.883563][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.883563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.883563][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.883563][ T10] netlink_unicast+0x449/0x710 [ 1024.883563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.883563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.883563][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.883563][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.883563][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.883563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.883563][ T10] [ 1024.885522][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1024.885522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.885522][ T10] ipv6_find_idev+0x102/0x170 [ 1024.885522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.885522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.885522][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.885522][ T10] netlink_unicast+0x449/0x710 [ 1024.885522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.885522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.885522][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.885522][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.885522][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.885522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.885522][ T10] [ 1024.887040][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1024.887040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.887040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.887040][ T10] ipv6_find_idev+0x102/0x170 [ 1024.887040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.887040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.887040][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.887040][ T10] netlink_unicast+0x449/0x710 [ 1024.887040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.887040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.887040][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.887040][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.887040][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.887040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.887040][ T10] [ 1024.889110][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1024.889372][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1024.889372][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.889372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.889372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.889372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.889372][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.889372][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.889372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.889372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.889372][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.889372][ T10] netlink_unicast+0x449/0x710 [ 1024.889372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.889372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.889372][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.889372][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.889372][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.889372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.889372][ T10] [ 1024.891415][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1024.891415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.891415][ T10] ipv6_find_idev+0x102/0x170 [ 1024.891415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.891415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.891415][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.891415][ T10] netlink_unicast+0x449/0x710 [ 1024.891415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.891415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.891415][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.891415][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.891415][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.891415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.891415][ T10] [ 1024.892928][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1024.892928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.892928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.892928][ T10] ipv6_find_idev+0x102/0x170 [ 1024.892928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.892928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.892928][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.892928][ T10] netlink_unicast+0x449/0x710 [ 1024.892928][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.892928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.892928][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.892928][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.892928][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.892928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.892928][ T10] [ 1024.894625][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1024.894940][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1024.894940][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.894940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.894940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.894940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.894940][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.894940][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.894940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.894940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.894940][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.894940][ T10] netlink_unicast+0x449/0x710 [ 1024.894940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.894940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.894940][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.894940][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.894940][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.894940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.894940][ T10] [ 1024.897017][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1024.897017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.897017][ T10] ipv6_find_idev+0x102/0x170 [ 1024.897017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.897017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.897017][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.897017][ T10] netlink_unicast+0x449/0x710 [ 1024.897017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.897017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.897017][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.897017][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.897017][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.897017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.897017][ T10] [ 1024.898809][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1024.898809][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.898809][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.898809][ T10] ipv6_find_idev+0x102/0x170 [ 1024.898809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.898809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.898809][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.898809][ T10] netlink_unicast+0x449/0x710 [ 1024.898809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.898809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.898809][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.898809][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.898809][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.898809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.898809][ T10] [ 1024.900683][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1024.900994][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1024.900994][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.900994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.900994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.900994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.900994][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.900994][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.900994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.900994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.900994][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.900994][ T10] netlink_unicast+0x449/0x710 [ 1024.900994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.900994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.900994][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.900994][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.900994][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.900994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.900994][ T10] [ 1024.903142][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1024.903142][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.903142][ T10] ipv6_find_idev+0x102/0x170 [ 1024.903142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.903142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.903142][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.903142][ T10] netlink_unicast+0x449/0x710 [ 1024.903142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.903142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.903142][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.903142][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.903142][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.903142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.903142][ T10] [ 1024.904833][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1024.904833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.904833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.904833][ T10] ipv6_find_idev+0x102/0x170 [ 1024.904833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.904833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.904833][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.904833][ T10] netlink_unicast+0x449/0x710 [ 1024.904833][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.904833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.904833][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.904833][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.904833][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.904833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.904833][ T10] [ 1024.906707][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1024.907050][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1024.907050][ T10] netdev_get_by_index+0x5e/0x80 [ 1024.907050][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1024.907050][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1024.907050][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1024.907050][ T10] ipv6_add_addr+0x411/0x2000 [ 1024.907050][ T10] inet6_addr_add+0x30e/0xa40 [ 1024.907050][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1024.907050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.907050][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.907050][ T10] netlink_unicast+0x449/0x710 [ 1024.907050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.907050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.907050][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.907050][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.907050][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.907050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.907050][ T10] [ 1024.909256][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1024.909256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1024.909256][ T10] ipv6_find_idev+0x102/0x170 [ 1024.909256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.909256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.909256][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.909256][ T10] netlink_unicast+0x449/0x710 [ 1024.909256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.909256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.909256][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.909256][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.909256][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.909256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.909256][ T10] [ 1024.910942][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1024.910942][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1024.910942][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1024.910942][ T10] ipv6_find_idev+0x102/0x170 [ 1024.910942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1024.910942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1024.910942][ T10] netlink_rcv_skb+0x130/0x360 [ 1024.910942][ T10] netlink_unicast+0x449/0x710 [ 1024.910942][ T10] netlink_sendmsg+0x723/0xbe0 [ 1024.910942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1024.910942][ T10] ___sys_sendmsg+0xee/0x170 [ 1024.910942][ T10] __sys_sendmsg+0xcd/0x170 [ 1024.910942][ T10] do_syscall_64+0xc6/0x1e0 [ 1024.910942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1024.910942][ T10] [ 1035.154929][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1035.155310][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1035.155310][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.155310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.155310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.155310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.155310][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.155310][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.155310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.155310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.155310][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.155310][ T10] netlink_unicast+0x449/0x710 [ 1035.155310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.155310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.155310][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.155310][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.155310][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.155310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.155310][ T10] [ 1035.157374][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1035.157374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.157374][ T10] ipv6_find_idev+0x102/0x170 [ 1035.157374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.157374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.157374][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.157374][ T10] netlink_unicast+0x449/0x710 [ 1035.157374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.157374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.157374][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.157374][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.157374][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.157374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.157374][ T10] [ 1035.158894][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1035.158894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.158894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.158894][ T10] ipv6_find_idev+0x102/0x170 [ 1035.158894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.158894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.158894][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.158894][ T10] netlink_unicast+0x449/0x710 [ 1035.158894][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.158894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.158894][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.158894][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.158894][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.158894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.158894][ T10] [ 1035.160550][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1035.160810][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1035.160810][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.160810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.160810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.160810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.160810][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.160810][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.160810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.160810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.160810][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.160810][ T10] netlink_unicast+0x449/0x710 [ 1035.160810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.160810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.160810][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.160810][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.160810][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.160810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.160810][ T10] [ 1035.162769][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1035.162769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.162769][ T10] ipv6_find_idev+0x102/0x170 [ 1035.162769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.162769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.162769][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.162769][ T10] netlink_unicast+0x449/0x710 [ 1035.162769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.162769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.162769][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.162769][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.162769][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.162769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.162769][ T10] [ 1035.164287][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1035.164287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.164287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.164287][ T10] ipv6_find_idev+0x102/0x170 [ 1035.164287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.164287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.164287][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.164287][ T10] netlink_unicast+0x449/0x710 [ 1035.164287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.164287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.164287][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.164287][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.164287][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.164287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.164287][ T10] [ 1035.165928][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1035.166191][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1035.166191][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.166191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.166191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.166191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.166191][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.166191][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.166191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.166191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.166191][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.166191][ T10] netlink_unicast+0x449/0x710 [ 1035.166191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.166191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.166191][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.166191][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.166191][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.166191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.166191][ T10] [ 1035.168143][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1035.168143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.168143][ T10] ipv6_find_idev+0x102/0x170 [ 1035.168143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.168143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.168143][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.168143][ T10] netlink_unicast+0x449/0x710 [ 1035.168143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.168143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.168143][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.168143][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.168143][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.168143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.168143][ T10] [ 1035.169669][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1035.169669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.169669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.169669][ T10] ipv6_find_idev+0x102/0x170 [ 1035.169669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.169669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.169669][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.169669][ T10] netlink_unicast+0x449/0x710 [ 1035.169669][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.169669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.169669][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.169669][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.169669][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.169669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.169669][ T10] [ 1035.171324][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1035.171582][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1035.171582][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.171582][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.171582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.171582][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.171582][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.171582][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.171582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.171582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.171582][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.171582][ T10] netlink_unicast+0x449/0x710 [ 1035.171582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.171582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.171582][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.171582][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.171582][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.171582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.171582][ T10] [ 1035.173536][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1035.173536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.173536][ T10] ipv6_find_idev+0x102/0x170 [ 1035.173536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.173536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.173536][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.173536][ T10] netlink_unicast+0x449/0x710 [ 1035.173536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.173536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.173536][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.173536][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.173536][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.173536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.173536][ T10] [ 1035.175040][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1035.175040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.175040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.175040][ T10] ipv6_find_idev+0x102/0x170 [ 1035.175040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.175040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.175040][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.175040][ T10] netlink_unicast+0x449/0x710 [ 1035.175040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.175040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.175040][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.175040][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.175040][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.175040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.175040][ T10] [ 1035.176701][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1035.177028][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1035.177028][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.177028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.177028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.177028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.177028][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.177028][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.177028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.177028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.177028][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.177028][ T10] netlink_unicast+0x449/0x710 [ 1035.177028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.177028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.177028][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.177028][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.177028][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.177028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.177028][ T10] [ 1035.179000][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1035.179000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.179000][ T10] ipv6_find_idev+0x102/0x170 [ 1035.179000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.179000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.179000][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.179000][ T10] netlink_unicast+0x449/0x710 [ 1035.179000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.179000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.179000][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.179000][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.179000][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.179000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.179000][ T10] [ 1035.180568][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1035.180568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.180568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.180568][ T10] ipv6_find_idev+0x102/0x170 [ 1035.180568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.180568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.180568][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.180568][ T10] netlink_unicast+0x449/0x710 [ 1035.180568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.180568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.180568][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.180568][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.180568][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.180568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.180568][ T10] [ 1035.182444][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1035.182701][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1035.182701][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.182701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.182701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.182701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.182701][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.182701][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.182701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.182701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.182701][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.182701][ T10] netlink_unicast+0x449/0x710 [ 1035.182701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.182701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.182701][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.182701][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.182701][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.182701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.182701][ T10] [ 1035.184975][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1035.184975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.184975][ T10] ipv6_find_idev+0x102/0x170 [ 1035.184975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.184975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.184975][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.184975][ T10] netlink_unicast+0x449/0x710 [ 1035.184975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.184975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.184975][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.184975][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.184975][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.184975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.184975][ T10] [ 1035.186660][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1035.186660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.186660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.186660][ T10] ipv6_find_idev+0x102/0x170 [ 1035.186660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.186660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.186660][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.186660][ T10] netlink_unicast+0x449/0x710 [ 1035.186660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.186660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.186660][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.186660][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.186660][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.186660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.186660][ T10] [ 1035.188549][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1035.188805][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1035.188805][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.188805][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.188805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.188805][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.188805][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.188805][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.188805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.188805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.188805][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.188805][ T10] netlink_unicast+0x449/0x710 [ 1035.188805][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.188805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.188805][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.188805][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.188805][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.188805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.188805][ T10] [ 1035.190995][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1035.190995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.190995][ T10] ipv6_find_idev+0x102/0x170 [ 1035.190995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.190995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.190995][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.190995][ T10] netlink_unicast+0x449/0x710 [ 1035.190995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.190995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.190995][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.190995][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.190995][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.190995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.190995][ T10] [ 1035.192676][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1035.192676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.192676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.192676][ T10] ipv6_find_idev+0x102/0x170 [ 1035.192676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.192676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.192676][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.192676][ T10] netlink_unicast+0x449/0x710 [ 1035.192676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.192676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.192676][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.192676][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.192676][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.192676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.192676][ T10] [ 1035.194600][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1035.194862][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1035.194862][ T10] netdev_get_by_index+0x5e/0x80 [ 1035.194862][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1035.194862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1035.194862][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1035.194862][ T10] ipv6_add_addr+0x411/0x2000 [ 1035.194862][ T10] inet6_addr_add+0x30e/0xa40 [ 1035.194862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1035.194862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.194862][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.194862][ T10] netlink_unicast+0x449/0x710 [ 1035.194862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.194862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.194862][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.194862][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.194862][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.194862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.194862][ T10] [ 1035.197051][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1035.197051][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1035.197051][ T10] ipv6_find_idev+0x102/0x170 [ 1035.197051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.197051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.197051][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.197051][ T10] netlink_unicast+0x449/0x710 [ 1035.197051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.197051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.197051][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.197051][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.197051][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.197051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.197051][ T10] [ 1035.198739][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1035.198739][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1035.198739][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1035.198739][ T10] ipv6_find_idev+0x102/0x170 [ 1035.198739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1035.198739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1035.198739][ T10] netlink_rcv_skb+0x130/0x360 [ 1035.198739][ T10] netlink_unicast+0x449/0x710 [ 1035.198739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1035.198739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1035.198739][ T10] ___sys_sendmsg+0xee/0x170 [ 1035.198739][ T10] __sys_sendmsg+0xcd/0x170 [ 1035.198739][ T10] do_syscall_64+0xc6/0x1e0 [ 1035.198739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1035.198739][ T10] [ 1045.442932][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1045.443311][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1045.443311][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.443311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.443311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.443311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.443311][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.443311][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.443311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.443311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.443311][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.443311][ T10] netlink_unicast+0x449/0x710 [ 1045.443311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.443311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.443311][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.443311][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.443311][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.443311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.443311][ T10] [ 1045.445280][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1045.445280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.445280][ T10] ipv6_find_idev+0x102/0x170 [ 1045.445280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.445280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.445280][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.445280][ T10] netlink_unicast+0x449/0x710 [ 1045.445280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.445280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.445280][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.445280][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.445280][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.445280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.445280][ T10] [ 1045.446797][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1045.446797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.446797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.446797][ T10] ipv6_find_idev+0x102/0x170 [ 1045.446797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.446797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.446797][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.446797][ T10] netlink_unicast+0x449/0x710 [ 1045.446797][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.446797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.446797][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.446797][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.446797][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.446797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.446797][ T10] [ 1045.448464][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1045.448724][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1045.448724][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.448724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.448724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.448724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.448724][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.448724][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.448724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.448724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.448724][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.448724][ T10] netlink_unicast+0x449/0x710 [ 1045.448724][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.448724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.448724][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.448724][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.448724][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.448724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.448724][ T10] [ 1045.450696][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1045.450696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.450696][ T10] ipv6_find_idev+0x102/0x170 [ 1045.450696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.450696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.450696][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.450696][ T10] netlink_unicast+0x449/0x710 [ 1045.450696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.450696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.450696][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.450696][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.450696][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.450696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.450696][ T10] [ 1045.452207][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1045.452207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.452207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.452207][ T10] ipv6_find_idev+0x102/0x170 [ 1045.452207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.452207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.452207][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.452207][ T10] netlink_unicast+0x449/0x710 [ 1045.452207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.452207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.452207][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.452207][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.452207][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.452207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.452207][ T10] [ 1045.453863][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1045.454121][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1045.454121][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.454121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.454121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.454121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.454121][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.454121][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.454121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.454121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.454121][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.454121][ T10] netlink_unicast+0x449/0x710 [ 1045.454121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.454121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.454121][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.454121][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.454121][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.454121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.454121][ T10] [ 1045.456084][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1045.456084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.456084][ T10] ipv6_find_idev+0x102/0x170 [ 1045.456084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.456084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.456084][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.456084][ T10] netlink_unicast+0x449/0x710 [ 1045.456084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.456084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.456084][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.456084][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.456084][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.456084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.456084][ T10] [ 1045.457586][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1045.457586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.457586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.457586][ T10] ipv6_find_idev+0x102/0x170 [ 1045.457586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.457586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.457586][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.457586][ T10] netlink_unicast+0x449/0x710 [ 1045.457586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.457586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.457586][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.457586][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.457586][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.457586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.457586][ T10] [ 1045.459266][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1045.459528][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1045.459528][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.459528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.459528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.459528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.459528][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.459528][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.459528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.459528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.459528][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.459528][ T10] netlink_unicast+0x449/0x710 [ 1045.459528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.459528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.459528][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.459528][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.459528][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.459528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.459528][ T10] [ 1045.461482][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1045.461482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.461482][ T10] ipv6_find_idev+0x102/0x170 [ 1045.461482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.461482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.461482][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.461482][ T10] netlink_unicast+0x449/0x710 [ 1045.461482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.461482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.461482][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.461482][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.461482][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.461482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.461482][ T10] [ 1045.462991][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1045.462991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.462991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.462991][ T10] ipv6_find_idev+0x102/0x170 [ 1045.462991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.462991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.462991][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.462991][ T10] netlink_unicast+0x449/0x710 [ 1045.462991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.462991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.462991][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.462991][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.462991][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.462991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.462991][ T10] [ 1045.465046][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1045.465307][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1045.465307][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.465307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.465307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.465307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.465307][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.465307][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.465307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.465307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.465307][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.465307][ T10] netlink_unicast+0x449/0x710 [ 1045.465307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.465307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.465307][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.465307][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.465307][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.465307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.465307][ T10] [ 1045.467250][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1045.467250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.467250][ T10] ipv6_find_idev+0x102/0x170 [ 1045.467250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.467250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.467250][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.467250][ T10] netlink_unicast+0x449/0x710 [ 1045.467250][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.467250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.467250][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.467250][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.467250][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.467250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.467250][ T10] [ 1045.468757][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1045.468757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.468757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.468757][ T10] ipv6_find_idev+0x102/0x170 [ 1045.468757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.468757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.468757][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.468757][ T10] netlink_unicast+0x449/0x710 [ 1045.468757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.468757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.468757][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.468757][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.468757][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.468757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.468757][ T10] [ 1045.470443][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1045.470710][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1045.470710][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.470710][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.470710][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.470710][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.470710][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.470710][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.470710][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.470710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.470710][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.470710][ T10] netlink_unicast+0x449/0x710 [ 1045.470710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.470710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.470710][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.470710][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.470710][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.470710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.470710][ T10] [ 1045.472785][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1045.472785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.472785][ T10] ipv6_find_idev+0x102/0x170 [ 1045.472785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.472785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.472785][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.472785][ T10] netlink_unicast+0x449/0x710 [ 1045.472785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.472785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.472785][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.472785][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.472785][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.472785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.472785][ T10] [ 1045.474541][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1045.474541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.474541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.474541][ T10] ipv6_find_idev+0x102/0x170 [ 1045.474541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.474541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.474541][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.474541][ T10] netlink_unicast+0x449/0x710 [ 1045.474541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.474541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.474541][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.474541][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.474541][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.474541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.474541][ T10] [ 1045.476404][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1045.476671][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1045.476671][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.476671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.476671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.476671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.476671][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.476671][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.476671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.476671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.476671][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.476671][ T10] netlink_unicast+0x449/0x710 [ 1045.476671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.476671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.476671][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.476671][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.476671][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.476671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.476671][ T10] [ 1045.478808][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1045.478808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.478808][ T10] ipv6_find_idev+0x102/0x170 [ 1045.478808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.478808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.478808][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.478808][ T10] netlink_unicast+0x449/0x710 [ 1045.478808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.478808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.478808][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.478808][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.478808][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.478808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.478808][ T10] [ 1045.480511][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1045.480511][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.480511][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.480511][ T10] ipv6_find_idev+0x102/0x170 [ 1045.480511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.480511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.480511][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.480511][ T10] netlink_unicast+0x449/0x710 [ 1045.480511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.480511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.480511][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.480511][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.480511][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.480511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.480511][ T10] [ 1045.482445][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1045.482700][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1045.482700][ T10] netdev_get_by_index+0x5e/0x80 [ 1045.482700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1045.482700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1045.482700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1045.482700][ T10] ipv6_add_addr+0x411/0x2000 [ 1045.482700][ T10] inet6_addr_add+0x30e/0xa40 [ 1045.482700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1045.482700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.482700][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.482700][ T10] netlink_unicast+0x449/0x710 [ 1045.482700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.482700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.482700][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.482700][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.482700][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.482700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.482700][ T10] [ 1045.485144][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1045.485144][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1045.485144][ T10] ipv6_find_idev+0x102/0x170 [ 1045.485144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.485144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.485144][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.485144][ T10] netlink_unicast+0x449/0x710 [ 1045.485144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.485144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.485144][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.485144][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.485144][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.485144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.485144][ T10] [ 1045.486822][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1045.486822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1045.486822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1045.486822][ T10] ipv6_find_idev+0x102/0x170 [ 1045.486822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1045.486822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1045.486822][ T10] netlink_rcv_skb+0x130/0x360 [ 1045.486822][ T10] netlink_unicast+0x449/0x710 [ 1045.486822][ T10] netlink_sendmsg+0x723/0xbe0 [ 1045.486822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1045.486822][ T10] ___sys_sendmsg+0xee/0x170 [ 1045.486822][ T10] __sys_sendmsg+0xcd/0x170 [ 1045.486822][ T10] do_syscall_64+0xc6/0x1e0 [ 1045.486822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1045.486822][ T10] [ 1055.730954][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1055.731377][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1055.731377][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.731377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.731377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.731377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.731377][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.731377][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.731377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.731377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.731377][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.731377][ T10] netlink_unicast+0x449/0x710 [ 1055.731377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.731377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.731377][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.731377][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.731377][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.731377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.731377][ T10] [ 1055.733366][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1055.733366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.733366][ T10] ipv6_find_idev+0x102/0x170 [ 1055.733366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.733366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.733366][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.733366][ T10] netlink_unicast+0x449/0x710 [ 1055.733366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.733366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.733366][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.733366][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.733366][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.733366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.733366][ T10] [ 1055.734890][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1055.734890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.734890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.734890][ T10] ipv6_find_idev+0x102/0x170 [ 1055.734890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.734890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.734890][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.734890][ T10] netlink_unicast+0x449/0x710 [ 1055.734890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.734890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.734890][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.734890][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.734890][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.734890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.734890][ T10] [ 1055.736556][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1055.736815][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1055.736815][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.736815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.736815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.736815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.736815][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.736815][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.736815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.736815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.736815][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.736815][ T10] netlink_unicast+0x449/0x710 [ 1055.736815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.736815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.736815][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.736815][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.736815][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.736815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.736815][ T10] [ 1055.738816][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1055.738816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.738816][ T10] ipv6_find_idev+0x102/0x170 [ 1055.738816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.738816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.738816][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.738816][ T10] netlink_unicast+0x449/0x710 [ 1055.738816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.738816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.738816][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.738816][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.738816][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.738816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.738816][ T10] [ 1055.740325][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1055.740325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.740325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.740325][ T10] ipv6_find_idev+0x102/0x170 [ 1055.740325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.740325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.740325][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.740325][ T10] netlink_unicast+0x449/0x710 [ 1055.740325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.740325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.740325][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.740325][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.740325][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.740325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.740325][ T10] [ 1055.741974][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1055.742233][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1055.742233][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.742233][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.742233][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.742233][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.742233][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.742233][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.742233][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.742233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.742233][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.742233][ T10] netlink_unicast+0x449/0x710 [ 1055.742233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.742233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.742233][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.742233][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.742233][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.742233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.742233][ T10] [ 1055.744186][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1055.744186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.744186][ T10] ipv6_find_idev+0x102/0x170 [ 1055.744186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.744186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.744186][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.744186][ T10] netlink_unicast+0x449/0x710 [ 1055.744186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.744186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.744186][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.744186][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.744186][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.744186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.744186][ T10] [ 1055.745704][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1055.745704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.745704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.745704][ T10] ipv6_find_idev+0x102/0x170 [ 1055.745704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.745704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.745704][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.745704][ T10] netlink_unicast+0x449/0x710 [ 1055.745704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.745704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.745704][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.745704][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.745704][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.745704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.745704][ T10] [ 1055.747354][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1055.747620][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1055.747620][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.747620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.747620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.747620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.747620][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.747620][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.747620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.747620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.747620][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.747620][ T10] netlink_unicast+0x449/0x710 [ 1055.747620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.747620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.747620][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.747620][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.747620][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.747620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.747620][ T10] [ 1055.749618][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1055.749618][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.749618][ T10] ipv6_find_idev+0x102/0x170 [ 1055.749618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.749618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.749618][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.749618][ T10] netlink_unicast+0x449/0x710 [ 1055.749618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.749618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.749618][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.749618][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.749618][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.749618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.749618][ T10] [ 1055.751144][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1055.751144][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.751144][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.751144][ T10] ipv6_find_idev+0x102/0x170 [ 1055.751144][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.751144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.751144][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.751144][ T10] netlink_unicast+0x449/0x710 [ 1055.751144][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.751144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.751144][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.751144][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.751144][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.751144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.751144][ T10] [ 1055.753216][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1055.753480][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1055.753480][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.753480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.753480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.753480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.753480][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.753480][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.753480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.753480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.753480][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.753480][ T10] netlink_unicast+0x449/0x710 [ 1055.753480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.753480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.753480][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.753480][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.753480][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.753480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.753480][ T10] [ 1055.755437][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1055.755437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.755437][ T10] ipv6_find_idev+0x102/0x170 [ 1055.755437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.755437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.755437][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.755437][ T10] netlink_unicast+0x449/0x710 [ 1055.755437][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.755437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.755437][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.755437][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.755437][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.755437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.755437][ T10] [ 1055.756960][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1055.756960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.756960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.756960][ T10] ipv6_find_idev+0x102/0x170 [ 1055.756960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.756960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.756960][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.756960][ T10] netlink_unicast+0x449/0x710 [ 1055.756960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.756960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.756960][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.756960][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.756960][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.756960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.756960][ T10] [ 1055.758662][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1055.758981][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1055.758981][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.758981][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.758981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.758981][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.758981][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.758981][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.758981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.758981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.758981][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.758981][ T10] netlink_unicast+0x449/0x710 [ 1055.758981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.758981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.758981][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.758981][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.758981][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.758981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.758981][ T10] [ 1055.761076][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1055.761076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.761076][ T10] ipv6_find_idev+0x102/0x170 [ 1055.761076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.761076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.761076][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.761076][ T10] netlink_unicast+0x449/0x710 [ 1055.761076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.761076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.761076][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.761076][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.761076][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.761076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.761076][ T10] [ 1055.762762][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1055.762762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.762762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.762762][ T10] ipv6_find_idev+0x102/0x170 [ 1055.762762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.762762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.762762][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.762762][ T10] netlink_unicast+0x449/0x710 [ 1055.762762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.762762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.762762][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.762762][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.762762][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.762762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.762762][ T10] [ 1055.764688][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1055.764996][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1055.764996][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.764996][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.764996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.764996][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.764996][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.764996][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.764996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.764996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.764996][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.764996][ T10] netlink_unicast+0x449/0x710 [ 1055.764996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.764996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.764996][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.764996][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.764996][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.764996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.764996][ T10] [ 1055.767134][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1055.767134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.767134][ T10] ipv6_find_idev+0x102/0x170 [ 1055.767134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.767134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.767134][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.767134][ T10] netlink_unicast+0x449/0x710 [ 1055.767134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.767134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.767134][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.767134][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.767134][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.767134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.767134][ T10] [ 1055.768843][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1055.768843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.768843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.768843][ T10] ipv6_find_idev+0x102/0x170 [ 1055.768843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.768843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.768843][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.768843][ T10] netlink_unicast+0x449/0x710 [ 1055.768843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.768843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.768843][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.768843][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.768843][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.768843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.768843][ T10] [ 1055.770725][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1055.771040][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1055.771040][ T10] netdev_get_by_index+0x5e/0x80 [ 1055.771040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1055.771040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1055.771040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1055.771040][ T10] ipv6_add_addr+0x411/0x2000 [ 1055.771040][ T10] inet6_addr_add+0x30e/0xa40 [ 1055.771040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1055.771040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.771040][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.771040][ T10] netlink_unicast+0x449/0x710 [ 1055.771040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.771040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.771040][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.771040][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.771040][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.771040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.771040][ T10] [ 1055.773182][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1055.773182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1055.773182][ T10] ipv6_find_idev+0x102/0x170 [ 1055.773182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.773182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.773182][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.773182][ T10] netlink_unicast+0x449/0x710 [ 1055.773182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.773182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.773182][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.773182][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.773182][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.773182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.773182][ T10] [ 1055.774945][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1055.774945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1055.774945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1055.774945][ T10] ipv6_find_idev+0x102/0x170 [ 1055.774945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1055.774945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1055.774945][ T10] netlink_rcv_skb+0x130/0x360 [ 1055.774945][ T10] netlink_unicast+0x449/0x710 [ 1055.774945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1055.774945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1055.774945][ T10] ___sys_sendmsg+0xee/0x170 [ 1055.774945][ T10] __sys_sendmsg+0xcd/0x170 [ 1055.774945][ T10] do_syscall_64+0xc6/0x1e0 [ 1055.774945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1055.774945][ T10] [ 1066.018970][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1066.019359][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1066.019359][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.019359][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.019359][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.019359][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.019359][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.019359][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.019359][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.019359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.019359][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.019359][ T10] netlink_unicast+0x449/0x710 [ 1066.019359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.019359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.019359][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.019359][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.019359][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.019359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.019359][ T10] [ 1066.021333][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1066.021333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.021333][ T10] ipv6_find_idev+0x102/0x170 [ 1066.021333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.021333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.021333][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.021333][ T10] netlink_unicast+0x449/0x710 [ 1066.021333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.021333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.021333][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.021333][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.021333][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.021333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.021333][ T10] [ 1066.022956][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1066.022956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.022956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.022956][ T10] ipv6_find_idev+0x102/0x170 [ 1066.022956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.022956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.022956][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.022956][ T10] netlink_unicast+0x449/0x710 [ 1066.022956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.022956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.022956][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.022956][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.022956][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.022956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.022956][ T10] [ 1066.024615][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1066.024883][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1066.024883][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.024883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.024883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.024883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.024883][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.024883][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.024883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.024883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.024883][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.024883][ T10] netlink_unicast+0x449/0x710 [ 1066.024883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.024883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.024883][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.024883][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.024883][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.024883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.024883][ T10] [ 1066.026849][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1066.026849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.026849][ T10] ipv6_find_idev+0x102/0x170 [ 1066.026849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.026849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.026849][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.026849][ T10] netlink_unicast+0x449/0x710 [ 1066.026849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.026849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.026849][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.026849][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.026849][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.026849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.026849][ T10] [ 1066.028373][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1066.028373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.028373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.028373][ T10] ipv6_find_idev+0x102/0x170 [ 1066.028373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.028373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.028373][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.028373][ T10] netlink_unicast+0x449/0x710 [ 1066.028373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.028373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.028373][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.028373][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.028373][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.028373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.028373][ T10] [ 1066.030027][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1066.030287][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1066.030287][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.030287][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.030287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.030287][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.030287][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.030287][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.030287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.030287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.030287][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.030287][ T10] netlink_unicast+0x449/0x710 [ 1066.030287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.030287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.030287][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.030287][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.030287][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.030287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.030287][ T10] [ 1066.032249][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1066.032249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.032249][ T10] ipv6_find_idev+0x102/0x170 [ 1066.032249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.032249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.032249][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.032249][ T10] netlink_unicast+0x449/0x710 [ 1066.032249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.032249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.032249][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.032249][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.032249][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.032249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.032249][ T10] [ 1066.033760][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1066.033760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.033760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.033760][ T10] ipv6_find_idev+0x102/0x170 [ 1066.033760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.033760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.033760][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.033760][ T10] netlink_unicast+0x449/0x710 [ 1066.033760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.033760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.033760][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.033760][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.033760][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.033760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.033760][ T10] [ 1066.035924][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1066.036182][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1066.036182][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.036182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.036182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.036182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.036182][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.036182][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.036182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.036182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.036182][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.036182][ T10] netlink_unicast+0x449/0x710 [ 1066.036182][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.036182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.036182][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.036182][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.036182][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.036182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.036182][ T10] [ 1066.038140][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1066.038140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.038140][ T10] ipv6_find_idev+0x102/0x170 [ 1066.038140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.038140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.038140][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.038140][ T10] netlink_unicast+0x449/0x710 [ 1066.038140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.038140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.038140][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.038140][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.038140][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.038140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.038140][ T10] [ 1066.039651][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1066.039651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.039651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.039651][ T10] ipv6_find_idev+0x102/0x170 [ 1066.039651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.039651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.039651][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.039651][ T10] netlink_unicast+0x449/0x710 [ 1066.039651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.039651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.039651][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.039651][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.039651][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.039651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.039651][ T10] [ 1066.042097][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1066.042358][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1066.042358][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.042358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.042358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.042358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.042358][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.042358][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.042358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.042358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.042358][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.042358][ T10] netlink_unicast+0x449/0x710 [ 1066.042358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.042358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.042358][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.042358][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.042358][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.042358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.042358][ T10] [ 1066.044310][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1066.044310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.044310][ T10] ipv6_find_idev+0x102/0x170 [ 1066.044310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.044310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.044310][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.044310][ T10] netlink_unicast+0x449/0x710 [ 1066.044310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.044310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.044310][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.044310][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.044310][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.044310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.044310][ T10] [ 1066.045815][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1066.045815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.045815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.045815][ T10] ipv6_find_idev+0x102/0x170 [ 1066.045815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.045815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.045815][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.045815][ T10] netlink_unicast+0x449/0x710 [ 1066.045815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.045815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.045815][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.045815][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.045815][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.045815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.045815][ T10] [ 1066.047502][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1066.047761][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1066.047761][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.047761][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.047761][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.047761][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.047761][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.047761][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.047761][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.047761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.047761][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.047761][ T10] netlink_unicast+0x449/0x710 [ 1066.047761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.047761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.047761][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.047761][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.047761][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.047761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.047761][ T10] [ 1066.049839][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1066.049839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.049839][ T10] ipv6_find_idev+0x102/0x170 [ 1066.049839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.049839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.049839][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.049839][ T10] netlink_unicast+0x449/0x710 [ 1066.049839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.049839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.049839][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.049839][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.049839][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.049839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.049839][ T10] [ 1066.051528][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1066.051528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.051528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.051528][ T10] ipv6_find_idev+0x102/0x170 [ 1066.051528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.051528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.051528][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.051528][ T10] netlink_unicast+0x449/0x710 [ 1066.051528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.051528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.051528][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.051528][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.051528][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.051528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.051528][ T10] [ 1066.053516][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1066.053774][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1066.053774][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.053774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.053774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.053774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.053774][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.053774][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.053774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.053774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.053774][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.053774][ T10] netlink_unicast+0x449/0x710 [ 1066.053774][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.053774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.053774][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.053774][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.053774][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.053774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.053774][ T10] [ 1066.055906][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1066.055906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.055906][ T10] ipv6_find_idev+0x102/0x170 [ 1066.055906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.055906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.055906][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.055906][ T10] netlink_unicast+0x449/0x710 [ 1066.055906][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.055906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.055906][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.055906][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.055906][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.055906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.055906][ T10] [ 1066.057593][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1066.057593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.057593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.057593][ T10] ipv6_find_idev+0x102/0x170 [ 1066.057593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.057593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.057593][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.057593][ T10] netlink_unicast+0x449/0x710 [ 1066.057593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.057593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.057593][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.057593][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.057593][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.057593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.057593][ T10] [ 1066.059519][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1066.059776][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1066.059776][ T10] netdev_get_by_index+0x5e/0x80 [ 1066.059776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1066.059776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1066.059776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1066.059776][ T10] ipv6_add_addr+0x411/0x2000 [ 1066.059776][ T10] inet6_addr_add+0x30e/0xa40 [ 1066.059776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1066.059776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.059776][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.059776][ T10] netlink_unicast+0x449/0x710 [ 1066.059776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.059776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.059776][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.059776][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.059776][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.059776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.059776][ T10] [ 1066.061906][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1066.061906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1066.061906][ T10] ipv6_find_idev+0x102/0x170 [ 1066.061906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.061906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.061906][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.061906][ T10] netlink_unicast+0x449/0x710 [ 1066.061906][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.061906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.061906][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.061906][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.061906][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.061906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.061906][ T10] [ 1066.063650][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1066.063650][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1066.063650][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1066.063650][ T10] ipv6_find_idev+0x102/0x170 [ 1066.063650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1066.063650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1066.063650][ T10] netlink_rcv_skb+0x130/0x360 [ 1066.063650][ T10] netlink_unicast+0x449/0x710 [ 1066.063650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1066.063650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1066.063650][ T10] ___sys_sendmsg+0xee/0x170 [ 1066.063650][ T10] __sys_sendmsg+0xcd/0x170 [ 1066.063650][ T10] do_syscall_64+0xc6/0x1e0 [ 1066.063650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1066.063650][ T10] [ 1076.090936][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1076.091391][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1076.091391][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.091391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.091391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.091391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.091391][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.091391][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.091391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.091391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.091391][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.091391][ T10] netlink_unicast+0x449/0x710 [ 1076.091391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.091391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.091391][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.091391][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.091391][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.091391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.091391][ T10] [ 1076.093392][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1076.093392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.093392][ T10] ipv6_find_idev+0x102/0x170 [ 1076.093392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.093392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.093392][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.093392][ T10] netlink_unicast+0x449/0x710 [ 1076.093392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.093392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.093392][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.093392][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.093392][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.093392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.093392][ T10] [ 1076.094925][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1076.094925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.094925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.094925][ T10] ipv6_find_idev+0x102/0x170 [ 1076.094925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.094925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.094925][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.094925][ T10] netlink_unicast+0x449/0x710 [ 1076.094925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.094925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.094925][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.094925][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.094925][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.094925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.094925][ T10] [ 1076.096579][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1076.096849][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1076.096849][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.096849][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.096849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.096849][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.096849][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.096849][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.096849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.096849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.096849][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.096849][ T10] netlink_unicast+0x449/0x710 [ 1076.096849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.096849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.096849][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.096849][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.096849][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.096849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.096849][ T10] [ 1076.098853][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1076.098853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.098853][ T10] ipv6_find_idev+0x102/0x170 [ 1076.098853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.098853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.098853][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.098853][ T10] netlink_unicast+0x449/0x710 [ 1076.098853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.098853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.098853][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.098853][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.098853][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.098853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.098853][ T10] [ 1076.100359][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1076.100359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.100359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.100359][ T10] ipv6_find_idev+0x102/0x170 [ 1076.100359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.100359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.100359][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.100359][ T10] netlink_unicast+0x449/0x710 [ 1076.100359][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.100359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.100359][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.100359][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.100359][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.100359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.100359][ T10] [ 1076.102015][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1076.102285][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1076.102285][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.102285][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.102285][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.102285][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.102285][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.102285][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.102285][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.102285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.102285][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.102285][ T10] netlink_unicast+0x449/0x710 [ 1076.102285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.102285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.102285][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.102285][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.102285][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.102285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.102285][ T10] [ 1076.104259][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1076.104259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.104259][ T10] ipv6_find_idev+0x102/0x170 [ 1076.104259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.104259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.104259][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.104259][ T10] netlink_unicast+0x449/0x710 [ 1076.104259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.104259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.104259][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.104259][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.104259][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.104259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.104259][ T10] [ 1076.105775][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1076.105775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.105775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.105775][ T10] ipv6_find_idev+0x102/0x170 [ 1076.105775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.105775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.105775][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.105775][ T10] netlink_unicast+0x449/0x710 [ 1076.105775][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.105775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.105775][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.105775][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.105775][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.105775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.105775][ T10] [ 1076.107449][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1076.107737][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1076.107737][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.107737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.107737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.107737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.107737][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.107737][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.107737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.107737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.107737][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.107737][ T10] netlink_unicast+0x449/0x710 [ 1076.107737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.107737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.107737][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.107737][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.107737][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.107737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.107737][ T10] [ 1076.109719][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1076.109719][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.109719][ T10] ipv6_find_idev+0x102/0x170 [ 1076.109719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.109719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.109719][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.109719][ T10] netlink_unicast+0x449/0x710 [ 1076.109719][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.109719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.109719][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.109719][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.109719][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.109719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.109719][ T10] [ 1076.111234][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1076.111234][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.111234][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.111234][ T10] ipv6_find_idev+0x102/0x170 [ 1076.111234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.111234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.111234][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.111234][ T10] netlink_unicast+0x449/0x710 [ 1076.111234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.111234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.111234][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.111234][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.111234][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.111234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.111234][ T10] [ 1076.112946][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1076.113211][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1076.113211][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.113211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.113211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.113211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.113211][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.113211][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.113211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.113211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.113211][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.113211][ T10] netlink_unicast+0x449/0x710 [ 1076.113211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.113211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.113211][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.113211][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.113211][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.113211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.113211][ T10] [ 1076.115181][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1076.115181][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.115181][ T10] ipv6_find_idev+0x102/0x170 [ 1076.115181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.115181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.115181][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.115181][ T10] netlink_unicast+0x449/0x710 [ 1076.115181][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.115181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.115181][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.115181][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.115181][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.115181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.115181][ T10] [ 1076.116772][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1076.116772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.116772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.116772][ T10] ipv6_find_idev+0x102/0x170 [ 1076.116772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.116772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.116772][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.116772][ T10] netlink_unicast+0x449/0x710 [ 1076.116772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.116772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.116772][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.116772][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.116772][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.116772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.116772][ T10] [ 1076.118547][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1076.118812][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1076.118812][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.118812][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.118812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.118812][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.118812][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.118812][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.118812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.118812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.118812][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.118812][ T10] netlink_unicast+0x449/0x710 [ 1076.118812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.118812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.118812][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.118812][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.118812][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.118812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.118812][ T10] [ 1076.120891][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1076.120891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.120891][ T10] ipv6_find_idev+0x102/0x170 [ 1076.120891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.120891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.120891][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.120891][ T10] netlink_unicast+0x449/0x710 [ 1076.120891][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.120891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.120891][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.120891][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.120891][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.120891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.120891][ T10] [ 1076.122532][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1076.122532][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.122532][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.122532][ T10] ipv6_find_idev+0x102/0x170 [ 1076.122532][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.122532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.122532][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.122532][ T10] netlink_unicast+0x449/0x710 [ 1076.122532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.122532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.122532][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.122532][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.122532][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.122532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.122532][ T10] [ 1076.124281][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1076.124541][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1076.124541][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.124541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.124541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.124541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.124541][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.124541][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.124541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.124541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.124541][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.124541][ T10] netlink_unicast+0x449/0x710 [ 1076.124541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.124541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.124541][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.124541][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.124541][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.124541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.124541][ T10] [ 1076.126608][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1076.126608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.126608][ T10] ipv6_find_idev+0x102/0x170 [ 1076.126608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.126608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.126608][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.126608][ T10] netlink_unicast+0x449/0x710 [ 1076.126608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.126608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.126608][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.126608][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.126608][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.126608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.126608][ T10] [ 1076.128274][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1076.128274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.128274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.128274][ T10] ipv6_find_idev+0x102/0x170 [ 1076.128274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.128274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.128274][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.128274][ T10] netlink_unicast+0x449/0x710 [ 1076.128274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.128274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.128274][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.128274][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.128274][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.128274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.128274][ T10] [ 1076.130034][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1076.130307][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1076.130307][ T10] netdev_get_by_index+0x5e/0x80 [ 1076.130307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1076.130307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1076.130307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1076.130307][ T10] ipv6_add_addr+0x411/0x2000 [ 1076.130307][ T10] inet6_addr_add+0x30e/0xa40 [ 1076.130307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1076.130307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.130307][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.130307][ T10] netlink_unicast+0x449/0x710 [ 1076.130307][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.130307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.130307][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.130307][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.130307][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.130307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.130307][ T10] [ 1076.132407][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1076.132407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1076.132407][ T10] ipv6_find_idev+0x102/0x170 [ 1076.132407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.132407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.132407][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.132407][ T10] netlink_unicast+0x449/0x710 [ 1076.132407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.132407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.132407][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.132407][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.132407][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.132407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.132407][ T10] [ 1076.133998][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1076.133998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1076.133998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1076.133998][ T10] ipv6_find_idev+0x102/0x170 [ 1076.133998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1076.133998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1076.133998][ T10] netlink_rcv_skb+0x130/0x360 [ 1076.133998][ T10] netlink_unicast+0x449/0x710 [ 1076.133998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1076.133998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1076.133998][ T10] ___sys_sendmsg+0xee/0x170 [ 1076.133998][ T10] __sys_sendmsg+0xcd/0x170 [ 1076.133998][ T10] do_syscall_64+0xc6/0x1e0 [ 1076.133998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1076.133998][ T10] [ 1086.306996][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1086.307489][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1086.307489][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.307489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.307489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.307489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.307489][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.307489][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.307489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.307489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.307489][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.307489][ T10] netlink_unicast+0x449/0x710 [ 1086.307489][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.307489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.307489][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.307489][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.307489][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.307489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.307489][ T10] [ 1086.309619][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1086.309619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.309619][ T10] ipv6_find_idev+0x102/0x170 [ 1086.309619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.309619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.309619][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.309619][ T10] netlink_unicast+0x449/0x710 [ 1086.309619][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.309619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.309619][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.309619][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.309619][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.309619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.309619][ T10] [ 1086.311160][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1086.311160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.311160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.311160][ T10] ipv6_find_idev+0x102/0x170 [ 1086.311160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.311160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.311160][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.311160][ T10] netlink_unicast+0x449/0x710 [ 1086.311160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.311160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.311160][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.311160][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.311160][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.311160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.311160][ T10] [ 1086.312875][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1086.313155][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1086.313155][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.313155][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.313155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.313155][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.313155][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.313155][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.313155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.313155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.313155][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.313155][ T10] netlink_unicast+0x449/0x710 [ 1086.313155][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.313155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.313155][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.313155][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.313155][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.313155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.313155][ T10] [ 1086.315151][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1086.315151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.315151][ T10] ipv6_find_idev+0x102/0x170 [ 1086.315151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.315151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.315151][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.315151][ T10] netlink_unicast+0x449/0x710 [ 1086.315151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.315151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.315151][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.315151][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.315151][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.315151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.315151][ T10] [ 1086.316690][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1086.316690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.316690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.316690][ T10] ipv6_find_idev+0x102/0x170 [ 1086.316690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.316690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.316690][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.316690][ T10] netlink_unicast+0x449/0x710 [ 1086.316690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.316690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.316690][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.316690][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.316690][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.316690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.316690][ T10] [ 1086.318379][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1086.318642][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1086.318642][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.318642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.318642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.318642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.318642][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.318642][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.318642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.318642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.318642][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.318642][ T10] netlink_unicast+0x449/0x710 [ 1086.318642][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.318642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.318642][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.318642][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.318642][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.318642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.318642][ T10] [ 1086.320632][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1086.320632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.320632][ T10] ipv6_find_idev+0x102/0x170 [ 1086.320632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.320632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.320632][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.320632][ T10] netlink_unicast+0x449/0x710 [ 1086.320632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.320632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.320632][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.320632][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.320632][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.320632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.320632][ T10] [ 1086.322179][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1086.322179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.322179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.322179][ T10] ipv6_find_idev+0x102/0x170 [ 1086.322179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.322179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.322179][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.322179][ T10] netlink_unicast+0x449/0x710 [ 1086.322179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.322179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.322179][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.322179][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.322179][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.322179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.322179][ T10] [ 1086.323867][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1086.324139][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1086.324139][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.324139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.324139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.324139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.324139][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.324139][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.324139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.324139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.324139][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.324139][ T10] netlink_unicast+0x449/0x710 [ 1086.324139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.324139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.324139][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.324139][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.324139][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.324139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.324139][ T10] [ 1086.326136][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1086.326136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.326136][ T10] ipv6_find_idev+0x102/0x170 [ 1086.326136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.326136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.326136][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.326136][ T10] netlink_unicast+0x449/0x710 [ 1086.326136][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.326136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.326136][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.326136][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.326136][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.326136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.326136][ T10] [ 1086.327663][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1086.327663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.327663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.327663][ T10] ipv6_find_idev+0x102/0x170 [ 1086.327663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.327663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.327663][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.327663][ T10] netlink_unicast+0x449/0x710 [ 1086.327663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.327663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.327663][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.327663][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.327663][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.327663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.327663][ T10] [ 1086.329764][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1086.330388][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1086.330388][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.330388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.330388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.330388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.330388][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.330388][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.330388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.330388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.330388][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.330388][ T10] netlink_unicast+0x449/0x710 [ 1086.330388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.330388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.330388][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.330388][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.330388][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.330388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.330388][ T10] [ 1086.332374][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1086.332374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.332374][ T10] ipv6_find_idev+0x102/0x170 [ 1086.332374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.332374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.332374][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.332374][ T10] netlink_unicast+0x449/0x710 [ 1086.332374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.332374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.332374][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.332374][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.332374][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.332374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.332374][ T10] [ 1086.333914][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1086.333914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.333914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.333914][ T10] ipv6_find_idev+0x102/0x170 [ 1086.333914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.333914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.333914][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.333914][ T10] netlink_unicast+0x449/0x710 [ 1086.333914][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.333914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.333914][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.333914][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.333914][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.333914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.333914][ T10] [ 1086.335589][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1086.335855][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1086.335855][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.335855][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.335855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.335855][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.335855][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.335855][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.335855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.335855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.335855][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.335855][ T10] netlink_unicast+0x449/0x710 [ 1086.335855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.335855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.335855][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.335855][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.335855][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.335855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.335855][ T10] [ 1086.337832][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1086.337832][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.337832][ T10] ipv6_find_idev+0x102/0x170 [ 1086.337832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.337832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.337832][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.337832][ T10] netlink_unicast+0x449/0x710 [ 1086.337832][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.337832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.337832][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.337832][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.337832][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.337832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.337832][ T10] [ 1086.339431][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1086.339431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.339431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.339431][ T10] ipv6_find_idev+0x102/0x170 [ 1086.339431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.339431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.339431][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.339431][ T10] netlink_unicast+0x449/0x710 [ 1086.339431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.339431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.339431][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.339431][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.339431][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.339431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.339431][ T10] [ 1086.341353][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1086.341665][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1086.341665][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.341665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.341665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.341665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.341665][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.341665][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.341665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.341665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.341665][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.341665][ T10] netlink_unicast+0x449/0x710 [ 1086.341665][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.341665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.341665][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.341665][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.341665][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.341665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.341665][ T10] [ 1086.343904][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1086.343904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.343904][ T10] ipv6_find_idev+0x102/0x170 [ 1086.343904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.343904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.343904][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.343904][ T10] netlink_unicast+0x449/0x710 [ 1086.343904][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.343904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.343904][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.343904][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.343904][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.343904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.343904][ T10] [ 1086.345621][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1086.345621][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.345621][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.345621][ T10] ipv6_find_idev+0x102/0x170 [ 1086.345621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.345621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.345621][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.345621][ T10] netlink_unicast+0x449/0x710 [ 1086.345621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.345621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.345621][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.345621][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.345621][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.345621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.345621][ T10] [ 1086.347540][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1086.347850][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1086.347850][ T10] netdev_get_by_index+0x5e/0x80 [ 1086.347850][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1086.347850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1086.347850][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1086.347850][ T10] ipv6_add_addr+0x411/0x2000 [ 1086.347850][ T10] inet6_addr_add+0x30e/0xa40 [ 1086.347850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1086.347850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.347850][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.347850][ T10] netlink_unicast+0x449/0x710 [ 1086.347850][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.347850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.347850][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.347850][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.347850][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.347850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.347850][ T10] [ 1086.350023][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1086.350023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1086.350023][ T10] ipv6_find_idev+0x102/0x170 [ 1086.350023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.350023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.350023][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.350023][ T10] netlink_unicast+0x449/0x710 [ 1086.350023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.350023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.350023][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.350023][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.350023][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.350023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.350023][ T10] [ 1086.351764][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1086.351764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1086.351764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1086.351764][ T10] ipv6_find_idev+0x102/0x170 [ 1086.351764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1086.351764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1086.351764][ T10] netlink_rcv_skb+0x130/0x360 [ 1086.351764][ T10] netlink_unicast+0x449/0x710 [ 1086.351764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1086.351764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1086.351764][ T10] ___sys_sendmsg+0xee/0x170 [ 1086.351764][ T10] __sys_sendmsg+0xcd/0x170 [ 1086.351764][ T10] do_syscall_64+0xc6/0x1e0 [ 1086.351764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1086.351764][ T10] [ 1096.451058][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1096.451516][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1096.451516][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.451516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.451516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.451516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.451516][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.451516][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.451516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.451516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.451516][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.451516][ T10] netlink_unicast+0x449/0x710 [ 1096.451516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.451516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.451516][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.451516][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.451516][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.451516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.451516][ T10] [ 1096.453494][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1096.453494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.453494][ T10] ipv6_find_idev+0x102/0x170 [ 1096.453494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.453494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.453494][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.453494][ T10] netlink_unicast+0x449/0x710 [ 1096.453494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.453494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.453494][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.453494][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.453494][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.453494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.453494][ T10] [ 1096.455011][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1096.455011][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.455011][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.455011][ T10] ipv6_find_idev+0x102/0x170 [ 1096.455011][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.455011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.455011][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.455011][ T10] netlink_unicast+0x449/0x710 [ 1096.455011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.455011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.455011][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.455011][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.455011][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.455011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.455011][ T10] [ 1096.456692][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1096.457060][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1096.457060][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.457060][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.457060][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.457060][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.457060][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.457060][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.457060][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.457060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.457060][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.457060][ T10] netlink_unicast+0x449/0x710 [ 1096.457060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.457060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.457060][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.457060][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.457060][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.457060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.457060][ T10] [ 1096.459513][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1096.459513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.459513][ T10] ipv6_find_idev+0x102/0x170 [ 1096.459513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.459513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.459513][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.459513][ T10] netlink_unicast+0x449/0x710 [ 1096.459513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.459513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.459513][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.459513][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.459513][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.459513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.459513][ T10] [ 1096.461372][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1096.461372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.461372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.461372][ T10] ipv6_find_idev+0x102/0x170 [ 1096.461372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.461372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.461372][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.461372][ T10] netlink_unicast+0x449/0x710 [ 1096.461372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.461372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.461372][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.461372][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.461372][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.461372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.461372][ T10] [ 1096.463394][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1096.463706][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1096.463706][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.463706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.463706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.463706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.463706][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.463706][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.463706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.463706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.463706][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.463706][ T10] netlink_unicast+0x449/0x710 [ 1096.463706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.463706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.463706][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.463706][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.463706][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.463706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.463706][ T10] [ 1096.466135][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1096.466135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.466135][ T10] ipv6_find_idev+0x102/0x170 [ 1096.466135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.466135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.466135][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.466135][ T10] netlink_unicast+0x449/0x710 [ 1096.466135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.466135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.466135][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.466135][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.466135][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.466135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.466135][ T10] [ 1096.468007][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1096.468007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.468007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.468007][ T10] ipv6_find_idev+0x102/0x170 [ 1096.468007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.468007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.468007][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.468007][ T10] netlink_unicast+0x449/0x710 [ 1096.468007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.468007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.468007][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.468007][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.468007][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.468007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.468007][ T10] [ 1096.470048][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1096.470362][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1096.470362][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.470362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.470362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.470362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.470362][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.470362][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.470362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.470362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.470362][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.470362][ T10] netlink_unicast+0x449/0x710 [ 1096.470362][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.470362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.470362][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.470362][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.470362][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.470362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.470362][ T10] [ 1096.472798][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1096.472798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.472798][ T10] ipv6_find_idev+0x102/0x170 [ 1096.472798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.472798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.472798][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.472798][ T10] netlink_unicast+0x449/0x710 [ 1096.472798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.472798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.472798][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.472798][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.472798][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.472798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.472798][ T10] [ 1096.474663][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1096.474663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.474663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.474663][ T10] ipv6_find_idev+0x102/0x170 [ 1096.474663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.474663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.474663][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.474663][ T10] netlink_unicast+0x449/0x710 [ 1096.474663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.474663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.474663][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.474663][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.474663][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.474663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.474663][ T10] [ 1096.476700][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1096.477079][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1096.477079][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.477079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.477079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.477079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.477079][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.477079][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.477079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.477079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.477079][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.477079][ T10] netlink_unicast+0x449/0x710 [ 1096.477079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.477079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.477079][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.477079][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.477079][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.477079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.477079][ T10] [ 1096.479521][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1096.479521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.479521][ T10] ipv6_find_idev+0x102/0x170 [ 1096.479521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.479521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.479521][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.479521][ T10] netlink_unicast+0x449/0x710 [ 1096.479521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.479521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.479521][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.479521][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.479521][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.479521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.479521][ T10] [ 1096.481384][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1096.481384][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.481384][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.481384][ T10] ipv6_find_idev+0x102/0x170 [ 1096.481384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.481384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.481384][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.481384][ T10] netlink_unicast+0x449/0x710 [ 1096.481384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.481384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.481384][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.481384][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.481384][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.481384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.481384][ T10] [ 1096.483715][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1096.484088][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1096.484088][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.484088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.484088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.484088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.484088][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.484088][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.484088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.484088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.484088][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.484088][ T10] netlink_unicast+0x449/0x710 [ 1096.484088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.484088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.484088][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.484088][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.484088][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.484088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.484088][ T10] [ 1096.486693][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1096.486693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.486693][ T10] ipv6_find_idev+0x102/0x170 [ 1096.486693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.486693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.486693][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.486693][ T10] netlink_unicast+0x449/0x710 [ 1096.486693][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.486693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.486693][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.486693][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.486693][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.486693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.486693][ T10] [ 1096.488748][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1096.488748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.488748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.488748][ T10] ipv6_find_idev+0x102/0x170 [ 1096.488748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.488748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.488748][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.488748][ T10] netlink_unicast+0x449/0x710 [ 1096.488748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.488748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.488748][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.488748][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.488748][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.488748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.488748][ T10] [ 1096.491076][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1096.491402][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1096.491402][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.491402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.491402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.491402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.491402][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.491402][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.491402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.491402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.491402][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.491402][ T10] netlink_unicast+0x449/0x710 [ 1096.491402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.491402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.491402][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.491402][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.491402][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.491402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.491402][ T10] [ 1096.494059][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1096.494059][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.494059][ T10] ipv6_find_idev+0x102/0x170 [ 1096.494059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.494059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.494059][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.494059][ T10] netlink_unicast+0x449/0x710 [ 1096.494059][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.494059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.494059][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.494059][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.494059][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.494059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.494059][ T10] [ 1096.496103][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1096.496103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.496103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.496103][ T10] ipv6_find_idev+0x102/0x170 [ 1096.496103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.496103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.496103][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.496103][ T10] netlink_unicast+0x449/0x710 [ 1096.496103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.496103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.496103][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.496103][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.496103][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.496103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.496103][ T10] [ 1096.498379][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1096.498692][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1096.498692][ T10] netdev_get_by_index+0x5e/0x80 [ 1096.498692][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1096.498692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1096.498692][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1096.498692][ T10] ipv6_add_addr+0x411/0x2000 [ 1096.498692][ T10] inet6_addr_add+0x30e/0xa40 [ 1096.498692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1096.498692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.498692][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.498692][ T10] netlink_unicast+0x449/0x710 [ 1096.498692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.498692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.498692][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.498692][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.498692][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.498692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.498692][ T10] [ 1096.501297][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1096.501297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1096.501297][ T10] ipv6_find_idev+0x102/0x170 [ 1096.501297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.501297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.501297][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.501297][ T10] netlink_unicast+0x449/0x710 [ 1096.501297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.501297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.501297][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.501297][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.501297][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.501297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.501297][ T10] [ 1096.503404][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1096.503404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1096.503404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1096.503404][ T10] ipv6_find_idev+0x102/0x170 [ 1096.503404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1096.503404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1096.503404][ T10] netlink_rcv_skb+0x130/0x360 [ 1096.503404][ T10] netlink_unicast+0x449/0x710 [ 1096.503404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1096.503404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1096.503404][ T10] ___sys_sendmsg+0xee/0x170 [ 1096.503404][ T10] __sys_sendmsg+0xcd/0x170 [ 1096.503404][ T10] do_syscall_64+0xc6/0x1e0 [ 1096.503404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1096.503404][ T10] [ 1106.755003][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1106.755488][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1106.755488][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.755488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.755488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.755488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.755488][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.755488][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.755488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.755488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.755488][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.755488][ T10] netlink_unicast+0x449/0x710 [ 1106.755488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.755488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.755488][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.755488][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.755488][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.755488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.755488][ T10] [ 1106.757494][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1106.757494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.757494][ T10] ipv6_find_idev+0x102/0x170 [ 1106.757494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.757494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.757494][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.757494][ T10] netlink_unicast+0x449/0x710 [ 1106.757494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.757494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.757494][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.757494][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.757494][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.757494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.757494][ T10] [ 1106.759040][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1106.759040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.759040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.759040][ T10] ipv6_find_idev+0x102/0x170 [ 1106.759040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.759040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.759040][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.759040][ T10] netlink_unicast+0x449/0x710 [ 1106.759040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.759040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.759040][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.759040][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.759040][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.759040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.759040][ T10] [ 1106.760738][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1106.761022][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1106.761022][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.761022][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.761022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.761022][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.761022][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.761022][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.761022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.761022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.761022][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.761022][ T10] netlink_unicast+0x449/0x710 [ 1106.761022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.761022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.761022][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.761022][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.761022][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.761022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.761022][ T10] [ 1106.763005][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1106.763005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.763005][ T10] ipv6_find_idev+0x102/0x170 [ 1106.763005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.763005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.763005][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.763005][ T10] netlink_unicast+0x449/0x710 [ 1106.763005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.763005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.763005][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.763005][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.763005][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.763005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.763005][ T10] [ 1106.764531][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1106.764531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.764531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.764531][ T10] ipv6_find_idev+0x102/0x170 [ 1106.764531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.764531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.764531][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.764531][ T10] netlink_unicast+0x449/0x710 [ 1106.764531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.764531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.764531][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.764531][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.764531][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.764531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.764531][ T10] [ 1106.766202][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1106.766466][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1106.766466][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.766466][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.766466][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.766466][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.766466][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.766466][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.766466][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.766466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.766466][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.766466][ T10] netlink_unicast+0x449/0x710 [ 1106.766466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.766466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.766466][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.766466][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.766466][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.766466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.766466][ T10] [ 1106.768460][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1106.768460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.768460][ T10] ipv6_find_idev+0x102/0x170 [ 1106.768460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.768460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.768460][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.768460][ T10] netlink_unicast+0x449/0x710 [ 1106.768460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.768460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.768460][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.768460][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.768460][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.768460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.768460][ T10] [ 1106.769988][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1106.769988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.769988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.769988][ T10] ipv6_find_idev+0x102/0x170 [ 1106.769988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.769988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.769988][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.769988][ T10] netlink_unicast+0x449/0x710 [ 1106.769988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.769988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.769988][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.769988][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.769988][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.769988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.769988][ T10] [ 1106.771706][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1106.772026][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1106.772026][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.772026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.772026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.772026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.772026][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.772026][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.772026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.772026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.772026][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.772026][ T10] netlink_unicast+0x449/0x710 [ 1106.772026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.772026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.772026][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.772026][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.772026][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.772026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.772026][ T10] [ 1106.774008][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1106.774008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.774008][ T10] ipv6_find_idev+0x102/0x170 [ 1106.774008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.774008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.774008][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.774008][ T10] netlink_unicast+0x449/0x710 [ 1106.774008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.774008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.774008][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.774008][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.774008][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.774008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.774008][ T10] [ 1106.775536][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1106.775536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.775536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.775536][ T10] ipv6_find_idev+0x102/0x170 [ 1106.775536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.775536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.775536][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.775536][ T10] netlink_unicast+0x449/0x710 [ 1106.775536][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.775536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.775536][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.775536][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.775536][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.775536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.775536][ T10] [ 1106.777253][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1106.777565][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1106.777565][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.777565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.777565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.777565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.777565][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.777565][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.777565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.777565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.777565][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.777565][ T10] netlink_unicast+0x449/0x710 [ 1106.777565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.777565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.777565][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.777565][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.777565][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.777565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.777565][ T10] [ 1106.779599][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1106.779599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.779599][ T10] ipv6_find_idev+0x102/0x170 [ 1106.779599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.779599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.779599][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.779599][ T10] netlink_unicast+0x449/0x710 [ 1106.779599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.779599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.779599][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.779599][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.779599][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.779599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.779599][ T10] [ 1106.781126][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1106.781126][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.781126][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.781126][ T10] ipv6_find_idev+0x102/0x170 [ 1106.781126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.781126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.781126][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.781126][ T10] netlink_unicast+0x449/0x710 [ 1106.781126][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.781126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.781126][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.781126][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.781126][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.781126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.781126][ T10] [ 1106.782966][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1106.783280][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1106.783280][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.783280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.783280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.783280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.783280][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.783280][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.783280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.783280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.783280][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.783280][ T10] netlink_unicast+0x449/0x710 [ 1106.783280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.783280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.783280][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.783280][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.783280][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.783280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.783280][ T10] [ 1106.785441][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1106.785441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.785441][ T10] ipv6_find_idev+0x102/0x170 [ 1106.785441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.785441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.785441][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.785441][ T10] netlink_unicast+0x449/0x710 [ 1106.785441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.785441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.785441][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.785441][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.785441][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.785441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.785441][ T10] [ 1106.787153][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1106.787153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.787153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.787153][ T10] ipv6_find_idev+0x102/0x170 [ 1106.787153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.787153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.787153][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.787153][ T10] netlink_unicast+0x449/0x710 [ 1106.787153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.787153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.787153][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.787153][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.787153][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.787153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.787153][ T10] [ 1106.789110][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1106.789422][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1106.789422][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.789422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.789422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.789422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.789422][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.789422][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.789422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.789422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.789422][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.789422][ T10] netlink_unicast+0x449/0x710 [ 1106.789422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.789422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.789422][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.789422][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.789422][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.789422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.789422][ T10] [ 1106.791589][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1106.791589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.791589][ T10] ipv6_find_idev+0x102/0x170 [ 1106.791589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.791589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.791589][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.791589][ T10] netlink_unicast+0x449/0x710 [ 1106.791589][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.791589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.791589][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.791589][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.791589][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.791589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.791589][ T10] [ 1106.793301][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1106.793301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.793301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.793301][ T10] ipv6_find_idev+0x102/0x170 [ 1106.793301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.793301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.793301][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.793301][ T10] netlink_unicast+0x449/0x710 [ 1106.793301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.793301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.793301][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.793301][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.793301][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.793301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.793301][ T10] [ 1106.795188][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1106.795500][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1106.795500][ T10] netdev_get_by_index+0x5e/0x80 [ 1106.795500][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1106.795500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1106.795500][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1106.795500][ T10] ipv6_add_addr+0x411/0x2000 [ 1106.795500][ T10] inet6_addr_add+0x30e/0xa40 [ 1106.795500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1106.795500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.795500][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.795500][ T10] netlink_unicast+0x449/0x710 [ 1106.795500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.795500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.795500][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.795500][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.795500][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.795500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.795500][ T10] [ 1106.797652][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1106.797652][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1106.797652][ T10] ipv6_find_idev+0x102/0x170 [ 1106.797652][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.797652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.797652][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.797652][ T10] netlink_unicast+0x449/0x710 [ 1106.797652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.797652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.797652][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.797652][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.797652][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.797652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.797652][ T10] [ 1106.799423][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1106.799423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1106.799423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1106.799423][ T10] ipv6_find_idev+0x102/0x170 [ 1106.799423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1106.799423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1106.799423][ T10] netlink_rcv_skb+0x130/0x360 [ 1106.799423][ T10] netlink_unicast+0x449/0x710 [ 1106.799423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1106.799423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1106.799423][ T10] ___sys_sendmsg+0xee/0x170 [ 1106.799423][ T10] __sys_sendmsg+0xcd/0x170 [ 1106.799423][ T10] do_syscall_64+0xc6/0x1e0 [ 1106.799423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1106.799423][ T10] [ 1107.242963][ T42] INFO: task modprobe:1062 blocked for more than 860 seconds. [ 1107.243294][ T42] Not tainted 6.8.0-virtme #1 [ 1107.243443][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1107.243693][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 1107.244026][ T42] Call Trace: [ 1107.244152][ T42] [ 1107.244237][ T42] __schedule+0x705/0x1ac0 [ 1107.244399][ T42] ? __pfx___schedule+0x10/0x10 [ 1107.244553][ T42] ? schedule+0x1a5/0x210 [ 1107.244672][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.244829][ T42] ? mark_lock+0x38/0x3e0 [ 1107.244961][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1107.245118][ T42] ? schedule+0x1a5/0x210 [ 1107.245237][ T42] schedule+0xdf/0x210 [ 1107.245355][ T42] schedule_preempt_disabled+0x15/0x30 [ 1107.245511][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1107.245668][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1107.245865][ T42] ? kasan_save_stack+0x34/0x50 [ 1107.246021][ T42] ? kasan_save_stack+0x24/0x50 [ 1107.246175][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1107.246334][ T42] ? lock_acquire+0x1c1/0x220 [ 1107.246485][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1107.246647][ T42] down_write+0x1c9/0x200 [ 1107.246765][ T42] ? __pfx_down_write+0x10/0x10 [ 1107.246931][ T42] ? __pfx___lock_release+0x10/0x10 [ 1107.247088][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1107.247310][ T42] register_pernet_subsys+0x1a/0x50 [ 1107.247464][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1107.247677][ T42] do_one_initcall+0xc8/0x3f0 [ 1107.247832][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1107.248036][ T42] ? __create_object+0x5e/0xb0 [ 1107.248194][ T42] ? kasan_unpoison+0x27/0x60 [ 1107.248352][ T42] do_init_module+0x233/0x740 [ 1107.248515][ T42] load_module+0x16b5/0x2350 [ 1107.248679][ T42] ? __pfx_load_module+0x10/0x10 [ 1107.248833][ T42] ? kernel_read_file+0x3d2/0x520 [ 1107.249008][ T42] ? kernel_read_file+0x300/0x520 [ 1107.249166][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1107.249326][ T42] ? init_module_from_file+0xd2/0x130 [ 1107.249480][ T42] init_module_from_file+0xd2/0x130 [ 1107.249633][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1107.249822][ T42] ? __lock_release+0x103/0x460 [ 1107.249986][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.250150][ T42] ? idempotent_init_module+0x32a/0x620 [ 1107.250304][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1107.250459][ T42] idempotent_init_module+0x342/0x620 [ 1107.250617][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1107.250823][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1107.250991][ T42] do_syscall_64+0xc6/0x1e0 [ 1107.251147][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1107.251336][ T42] RIP: 0033:0x7f81e06dce5d [ 1107.251495][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1107.251724][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 1107.251974][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 1107.252201][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 1107.252425][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 1107.252648][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 1107.252898][ T42] [ 1107.253018][ T42] [ 1107.253018][ T42] Showing all locks held in the system: [ 1107.253233][ T42] 3 locks held by kworker/u16:0/10: [ 1107.253380][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.253687][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.253965][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1107.254240][ T42] 1 lock held by khungtaskd/42: [ 1107.254389][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1107.254659][ T42] 2 locks held by kworker/u20:1/62: [ 1107.254805][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1107.255121][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1107.256007][ T42] 1 lock held by modprobe/1062: [ 1107.256158][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1107.256464][ T42] [ 1107.256540][ T42] ============================================= [ 1107.256540][ T42] [ 1116.802940][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1116.803490][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1116.803490][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.803490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.803490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.803490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.803490][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.803490][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.803490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.803490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.803490][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.803490][ T10] netlink_unicast+0x449/0x710 [ 1116.803490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.803490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.803490][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.803490][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.803490][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.803490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.803490][ T10] [ 1116.806552][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1116.806552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.806552][ T10] ipv6_find_idev+0x102/0x170 [ 1116.806552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.806552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.806552][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.806552][ T10] netlink_unicast+0x449/0x710 [ 1116.806552][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.806552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.806552][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.806552][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.806552][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.806552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.806552][ T10] [ 1116.808991][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1116.808991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.808991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.808991][ T10] ipv6_find_idev+0x102/0x170 [ 1116.808991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.808991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.808991][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.808991][ T10] netlink_unicast+0x449/0x710 [ 1116.808991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.808991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.808991][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.808991][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.808991][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.808991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.808991][ T10] [ 1116.811576][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1116.812011][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1116.812011][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.812011][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.812011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.812011][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.812011][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.812011][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.812011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.812011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.812011][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.812011][ T10] netlink_unicast+0x449/0x710 [ 1116.812011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.812011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.812011][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.812011][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.812011][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.812011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.812011][ T10] [ 1116.815112][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1116.815112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.815112][ T10] ipv6_find_idev+0x102/0x170 [ 1116.815112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.815112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.815112][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.815112][ T10] netlink_unicast+0x449/0x710 [ 1116.815112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.815112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.815112][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.815112][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.815112][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.815112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.815112][ T10] [ 1116.817478][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1116.817478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.817478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.817478][ T10] ipv6_find_idev+0x102/0x170 [ 1116.817478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.817478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.817478][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.817478][ T10] netlink_unicast+0x449/0x710 [ 1116.817478][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.817478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.817478][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.817478][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.817478][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.817478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.817478][ T10] [ 1116.820109][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1116.820505][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1116.820505][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.820505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.820505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.820505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.820505][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.820505][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.820505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.820505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.820505][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.820505][ T10] netlink_unicast+0x449/0x710 [ 1116.820505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.820505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.820505][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.820505][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.820505][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.820505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.820505][ T10] [ 1116.823495][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1116.823495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.823495][ T10] ipv6_find_idev+0x102/0x170 [ 1116.823495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.823495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.823495][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.823495][ T10] netlink_unicast+0x449/0x710 [ 1116.823495][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.823495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.823495][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.823495][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.823495][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.823495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.823495][ T10] [ 1116.825737][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1116.825737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.825737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.825737][ T10] ipv6_find_idev+0x102/0x170 [ 1116.825737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.825737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.825737][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.825737][ T10] netlink_unicast+0x449/0x710 [ 1116.825737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.825737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.825737][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.825737][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.825737][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.825737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.825737][ T10] [ 1116.828313][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1116.828728][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1116.828728][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.828728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.828728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.828728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.828728][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.828728][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.828728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.828728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.828728][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.828728][ T10] netlink_unicast+0x449/0x710 [ 1116.828728][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.828728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.828728][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.828728][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.828728][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.828728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.828728][ T10] [ 1116.831796][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1116.831796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.831796][ T10] ipv6_find_idev+0x102/0x170 [ 1116.831796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.831796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.831796][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.831796][ T10] netlink_unicast+0x449/0x710 [ 1116.831796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.831796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.831796][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.831796][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.831796][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.831796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.831796][ T10] [ 1116.834157][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1116.834157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.834157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.834157][ T10] ipv6_find_idev+0x102/0x170 [ 1116.834157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.834157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.834157][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.834157][ T10] netlink_unicast+0x449/0x710 [ 1116.834157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.834157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.834157][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.834157][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.834157][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.834157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.834157][ T10] [ 1116.837514][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1116.838589][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1116.838589][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.838589][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.838589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.838589][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.838589][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.838589][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.838589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.838589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.838589][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.838589][ T10] netlink_unicast+0x449/0x710 [ 1116.838589][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.838589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.838589][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.838589][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.838589][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.838589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.838589][ T10] [ 1116.841636][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1116.841636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.841636][ T10] ipv6_find_idev+0x102/0x170 [ 1116.841636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.841636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.841636][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.841636][ T10] netlink_unicast+0x449/0x710 [ 1116.841636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.841636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.841636][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.841636][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.841636][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.841636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.841636][ T10] [ 1116.844022][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1116.844022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.844022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.844022][ T10] ipv6_find_idev+0x102/0x170 [ 1116.844022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.844022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.844022][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.844022][ T10] netlink_unicast+0x449/0x710 [ 1116.844022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.844022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.844022][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.844022][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.844022][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.844022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.844022][ T10] [ 1116.846625][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1116.847163][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1116.847163][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.847163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.847163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.847163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.847163][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.847163][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.847163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.847163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.847163][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.847163][ T10] netlink_unicast+0x449/0x710 [ 1116.847163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.847163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.847163][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.847163][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.847163][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.847163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.847163][ T10] [ 1116.850157][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1116.850157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.850157][ T10] ipv6_find_idev+0x102/0x170 [ 1116.850157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.850157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.850157][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.850157][ T10] netlink_unicast+0x449/0x710 [ 1116.850157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.850157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.850157][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.850157][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.850157][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.850157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.850157][ T10] [ 1116.852404][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1116.852404][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.852404][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.852404][ T10] ipv6_find_idev+0x102/0x170 [ 1116.852404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.852404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.852404][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.852404][ T10] netlink_unicast+0x449/0x710 [ 1116.852404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.852404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.852404][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.852404][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.852404][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.852404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.852404][ T10] [ 1116.855400][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1116.855803][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1116.855803][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.855803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.855803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.855803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.855803][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.855803][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.855803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.855803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.855803][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.855803][ T10] netlink_unicast+0x449/0x710 [ 1116.855803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.855803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.855803][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.855803][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.855803][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.855803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.855803][ T10] [ 1116.859244][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1116.859244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.859244][ T10] ipv6_find_idev+0x102/0x170 [ 1116.859244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.859244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.859244][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.859244][ T10] netlink_unicast+0x449/0x710 [ 1116.859244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.859244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.859244][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.859244][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.859244][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.859244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.859244][ T10] [ 1116.861937][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1116.861937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.861937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.861937][ T10] ipv6_find_idev+0x102/0x170 [ 1116.861937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.861937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.861937][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.861937][ T10] netlink_unicast+0x449/0x710 [ 1116.861937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.861937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.861937][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.861937][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.861937][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.861937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.861937][ T10] [ 1116.865031][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1116.865440][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1116.865440][ T10] netdev_get_by_index+0x5e/0x80 [ 1116.865440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1116.865440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1116.865440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1116.865440][ T10] ipv6_add_addr+0x411/0x2000 [ 1116.865440][ T10] inet6_addr_add+0x30e/0xa40 [ 1116.865440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1116.865440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.865440][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.865440][ T10] netlink_unicast+0x449/0x710 [ 1116.865440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.865440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.865440][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.865440][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.865440][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.865440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.865440][ T10] [ 1116.868828][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1116.868828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1116.868828][ T10] ipv6_find_idev+0x102/0x170 [ 1116.868828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.868828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.868828][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.868828][ T10] netlink_unicast+0x449/0x710 [ 1116.868828][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.868828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.868828][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.868828][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.868828][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.868828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.868828][ T10] [ 1116.871675][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1116.871675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1116.871675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1116.871675][ T10] ipv6_find_idev+0x102/0x170 [ 1116.871675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1116.871675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1116.871675][ T10] netlink_rcv_skb+0x130/0x360 [ 1116.871675][ T10] netlink_unicast+0x449/0x710 [ 1116.871675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1116.871675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1116.871675][ T10] ___sys_sendmsg+0xee/0x170 [ 1116.871675][ T10] __sys_sendmsg+0xcd/0x170 [ 1116.871675][ T10] do_syscall_64+0xc6/0x1e0 [ 1116.871675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1116.871675][ T10] [ 1127.010955][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1127.011352][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1127.011352][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.011352][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.011352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.011352][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.011352][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.011352][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.011352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.011352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.011352][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.011352][ T10] netlink_unicast+0x449/0x710 [ 1127.011352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.011352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.011352][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.011352][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.011352][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.011352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.011352][ T10] [ 1127.013361][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1127.013361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.013361][ T10] ipv6_find_idev+0x102/0x170 [ 1127.013361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.013361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.013361][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.013361][ T10] netlink_unicast+0x449/0x710 [ 1127.013361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.013361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.013361][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.013361][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.013361][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.013361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.013361][ T10] [ 1127.014907][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1127.014907][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.014907][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.014907][ T10] ipv6_find_idev+0x102/0x170 [ 1127.014907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.014907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.014907][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.014907][ T10] netlink_unicast+0x449/0x710 [ 1127.014907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.014907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.014907][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.014907][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.014907][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.014907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.014907][ T10] [ 1127.016604][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1127.016881][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1127.016881][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.016881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.016881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.016881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.016881][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.016881][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.016881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.016881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.016881][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.016881][ T10] netlink_unicast+0x449/0x710 [ 1127.016881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.016881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.016881][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.016881][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.016881][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.016881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.016881][ T10] [ 1127.018916][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1127.018916][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.018916][ T10] ipv6_find_idev+0x102/0x170 [ 1127.018916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.018916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.018916][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.018916][ T10] netlink_unicast+0x449/0x710 [ 1127.018916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.018916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.018916][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.018916][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.018916][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.018916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.018916][ T10] [ 1127.020453][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1127.020453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.020453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.020453][ T10] ipv6_find_idev+0x102/0x170 [ 1127.020453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.020453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.020453][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.020453][ T10] netlink_unicast+0x449/0x710 [ 1127.020453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.020453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.020453][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.020453][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.020453][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.020453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.020453][ T10] [ 1127.022154][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1127.022433][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1127.022433][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.022433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.022433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.022433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.022433][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.022433][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.022433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.022433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.022433][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.022433][ T10] netlink_unicast+0x449/0x710 [ 1127.022433][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.022433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.022433][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.022433][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.022433][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.022433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.022433][ T10] [ 1127.024423][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1127.024423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.024423][ T10] ipv6_find_idev+0x102/0x170 [ 1127.024423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.024423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.024423][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.024423][ T10] netlink_unicast+0x449/0x710 [ 1127.024423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.024423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.024423][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.024423][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.024423][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.024423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.024423][ T10] [ 1127.025957][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1127.025957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.025957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.025957][ T10] ipv6_find_idev+0x102/0x170 [ 1127.025957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.025957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.025957][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.025957][ T10] netlink_unicast+0x449/0x710 [ 1127.025957][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.025957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.025957][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.025957][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.025957][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.025957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.025957][ T10] [ 1127.027665][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1127.028388][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1127.028388][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.028388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.028388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.028388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.028388][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.028388][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.028388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.028388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.028388][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.028388][ T10] netlink_unicast+0x449/0x710 [ 1127.028388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.028388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.028388][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.028388][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.028388][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.028388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.028388][ T10] [ 1127.030366][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1127.030366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.030366][ T10] ipv6_find_idev+0x102/0x170 [ 1127.030366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.030366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.030366][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.030366][ T10] netlink_unicast+0x449/0x710 [ 1127.030366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.030366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.030366][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.030366][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.030366][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.030366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.030366][ T10] [ 1127.031905][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1127.031905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.031905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.031905][ T10] ipv6_find_idev+0x102/0x170 [ 1127.031905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.031905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.031905][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.031905][ T10] netlink_unicast+0x449/0x710 [ 1127.031905][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.031905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.031905][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.031905][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.031905][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.031905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.031905][ T10] [ 1127.033618][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1127.033938][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1127.033938][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.033938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.033938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.033938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.033938][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.033938][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.033938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.033938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.033938][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.033938][ T10] netlink_unicast+0x449/0x710 [ 1127.033938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.033938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.033938][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.033938][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.033938][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.033938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.033938][ T10] [ 1127.036037][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1127.036037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.036037][ T10] ipv6_find_idev+0x102/0x170 [ 1127.036037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.036037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.036037][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.036037][ T10] netlink_unicast+0x449/0x710 [ 1127.036037][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.036037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.036037][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.036037][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.036037][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.036037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.036037][ T10] [ 1127.037569][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1127.037569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.037569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.037569][ T10] ipv6_find_idev+0x102/0x170 [ 1127.037569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.037569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.037569][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.037569][ T10] netlink_unicast+0x449/0x710 [ 1127.037569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.037569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.037569][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.037569][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.037569][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.037569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.037569][ T10] [ 1127.039289][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1127.039603][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1127.039603][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.039603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.039603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.039603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.039603][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.039603][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.039603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.039603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.039603][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.039603][ T10] netlink_unicast+0x449/0x710 [ 1127.039603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.039603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.039603][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.039603][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.039603][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.039603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.039603][ T10] [ 1127.041630][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1127.041630][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.041630][ T10] ipv6_find_idev+0x102/0x170 [ 1127.041630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.041630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.041630][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.041630][ T10] netlink_unicast+0x449/0x710 [ 1127.041630][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.041630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.041630][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.041630][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.041630][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.041630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.041630][ T10] [ 1127.043334][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1127.043334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.043334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.043334][ T10] ipv6_find_idev+0x102/0x170 [ 1127.043334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.043334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.043334][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.043334][ T10] netlink_unicast+0x449/0x710 [ 1127.043334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.043334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.043334][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.043334][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.043334][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.043334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.043334][ T10] [ 1127.045229][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1127.045544][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1127.045544][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.045544][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.045544][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.045544][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.045544][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.045544][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.045544][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.045544][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.045544][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.045544][ T10] netlink_unicast+0x449/0x710 [ 1127.045544][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.045544][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.045544][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.045544][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.045544][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.045544][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.045544][ T10] [ 1127.047765][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1127.047765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.047765][ T10] ipv6_find_idev+0x102/0x170 [ 1127.047765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.047765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.047765][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.047765][ T10] netlink_unicast+0x449/0x710 [ 1127.047765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.047765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.047765][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.047765][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.047765][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.047765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.047765][ T10] [ 1127.049475][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1127.049475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.049475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.049475][ T10] ipv6_find_idev+0x102/0x170 [ 1127.049475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.049475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.049475][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.049475][ T10] netlink_unicast+0x449/0x710 [ 1127.049475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.049475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.049475][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.049475][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.049475][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.049475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.049475][ T10] [ 1127.051426][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1127.051735][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1127.051735][ T10] netdev_get_by_index+0x5e/0x80 [ 1127.051735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1127.051735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1127.051735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1127.051735][ T10] ipv6_add_addr+0x411/0x2000 [ 1127.051735][ T10] inet6_addr_add+0x30e/0xa40 [ 1127.051735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1127.051735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.051735][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.051735][ T10] netlink_unicast+0x449/0x710 [ 1127.051735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.051735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.051735][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.051735][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.051735][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.051735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.051735][ T10] [ 1127.053903][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1127.053903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1127.053903][ T10] ipv6_find_idev+0x102/0x170 [ 1127.053903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.053903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.053903][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.053903][ T10] netlink_unicast+0x449/0x710 [ 1127.053903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.053903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.053903][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.053903][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.053903][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.053903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.053903][ T10] [ 1127.056113][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1127.056113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1127.056113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1127.056113][ T10] ipv6_find_idev+0x102/0x170 [ 1127.056113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1127.056113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1127.056113][ T10] netlink_rcv_skb+0x130/0x360 [ 1127.056113][ T10] netlink_unicast+0x449/0x710 [ 1127.056113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1127.056113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1127.056113][ T10] ___sys_sendmsg+0xee/0x170 [ 1127.056113][ T10] __sys_sendmsg+0xcd/0x170 [ 1127.056113][ T10] do_syscall_64+0xc6/0x1e0 [ 1127.056113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1127.056113][ T10] [ 1137.195012][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1137.195400][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1137.195400][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.195400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.195400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.195400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.195400][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.195400][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.195400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.195400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.195400][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.195400][ T10] netlink_unicast+0x449/0x710 [ 1137.195400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.195400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.195400][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.195400][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.195400][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.195400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.195400][ T10] [ 1137.197376][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1137.197376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.197376][ T10] ipv6_find_idev+0x102/0x170 [ 1137.197376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.197376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.197376][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.197376][ T10] netlink_unicast+0x449/0x710 [ 1137.197376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.197376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.197376][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.197376][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.197376][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.197376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.197376][ T10] [ 1137.198897][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1137.198897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.198897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.198897][ T10] ipv6_find_idev+0x102/0x170 [ 1137.198897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.198897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.198897][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.198897][ T10] netlink_unicast+0x449/0x710 [ 1137.198897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.198897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.198897][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.198897][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.198897][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.198897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.198897][ T10] [ 1137.200554][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1137.200818][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1137.200818][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.200818][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.200818][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.200818][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.200818][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.200818][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.200818][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.200818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.200818][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.200818][ T10] netlink_unicast+0x449/0x710 [ 1137.200818][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.200818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.200818][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.200818][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.200818][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.200818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.200818][ T10] [ 1137.202775][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1137.202775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.202775][ T10] ipv6_find_idev+0x102/0x170 [ 1137.202775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.202775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.202775][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.202775][ T10] netlink_unicast+0x449/0x710 [ 1137.202775][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.202775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.202775][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.202775][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.202775][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.202775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.202775][ T10] [ 1137.204284][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1137.204284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.204284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.204284][ T10] ipv6_find_idev+0x102/0x170 [ 1137.204284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.204284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.204284][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.204284][ T10] netlink_unicast+0x449/0x710 [ 1137.204284][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.204284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.204284][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.204284][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.204284][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.204284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.204284][ T10] [ 1137.205940][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1137.206197][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1137.206197][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.206197][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.206197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.206197][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.206197][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.206197][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.206197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.206197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.206197][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.206197][ T10] netlink_unicast+0x449/0x710 [ 1137.206197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.206197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.206197][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.206197][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.206197][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.206197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.206197][ T10] [ 1137.208167][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1137.208167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.208167][ T10] ipv6_find_idev+0x102/0x170 [ 1137.208167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.208167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.208167][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.208167][ T10] netlink_unicast+0x449/0x710 [ 1137.208167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.208167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.208167][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.208167][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.208167][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.208167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.208167][ T10] [ 1137.209678][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1137.209678][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.209678][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.209678][ T10] ipv6_find_idev+0x102/0x170 [ 1137.209678][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.209678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.209678][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.209678][ T10] netlink_unicast+0x449/0x710 [ 1137.209678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.209678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.209678][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.209678][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.209678][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.209678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.209678][ T10] [ 1137.211715][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1137.212419][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1137.212419][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.212419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.212419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.212419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.212419][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.212419][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.212419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.212419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.212419][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.212419][ T10] netlink_unicast+0x449/0x710 [ 1137.212419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.212419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.212419][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.212419][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.212419][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.212419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.212419][ T10] [ 1137.214362][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1137.214362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.214362][ T10] ipv6_find_idev+0x102/0x170 [ 1137.214362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.214362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.214362][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.214362][ T10] netlink_unicast+0x449/0x710 [ 1137.214362][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.214362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.214362][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.214362][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.214362][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.214362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.214362][ T10] [ 1137.215866][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1137.215866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.215866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.215866][ T10] ipv6_find_idev+0x102/0x170 [ 1137.215866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.215866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.215866][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.215866][ T10] netlink_unicast+0x449/0x710 [ 1137.215866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.215866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.215866][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.215866][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.215866][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.215866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.215866][ T10] [ 1137.217554][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1137.217829][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1137.217829][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.217829][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.217829][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.217829][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.217829][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.217829][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.217829][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.217829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.217829][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.217829][ T10] netlink_unicast+0x449/0x710 [ 1137.217829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.217829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.217829][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.217829][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.217829][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.217829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.217829][ T10] [ 1137.219785][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1137.219785][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.219785][ T10] ipv6_find_idev+0x102/0x170 [ 1137.219785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.219785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.219785][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.219785][ T10] netlink_unicast+0x449/0x710 [ 1137.219785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.219785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.219785][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.219785][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.219785][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.219785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.219785][ T10] [ 1137.221291][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1137.221291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.221291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.221291][ T10] ipv6_find_idev+0x102/0x170 [ 1137.221291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.221291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.221291][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.221291][ T10] netlink_unicast+0x449/0x710 [ 1137.221291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.221291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.221291][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.221291][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.221291][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.221291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.221291][ T10] [ 1137.222973][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1137.223238][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1137.223238][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.223238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.223238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.223238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.223238][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.223238][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.223238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.223238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.223238][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.223238][ T10] netlink_unicast+0x449/0x710 [ 1137.223238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.223238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.223238][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.223238][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.223238][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.223238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.223238][ T10] [ 1137.225251][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1137.225251][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.225251][ T10] ipv6_find_idev+0x102/0x170 [ 1137.225251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.225251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.225251][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.225251][ T10] netlink_unicast+0x449/0x710 [ 1137.225251][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.225251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.225251][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.225251][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.225251][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.225251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.225251][ T10] [ 1137.226937][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1137.226937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.226937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.226937][ T10] ipv6_find_idev+0x102/0x170 [ 1137.226937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.226937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.226937][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.226937][ T10] netlink_unicast+0x449/0x710 [ 1137.226937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.226937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.226937][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.226937][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.226937][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.226937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.226937][ T10] [ 1137.228878][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1137.229133][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1137.229133][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.229133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.229133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.229133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.229133][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.229133][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.229133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.229133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.229133][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.229133][ T10] netlink_unicast+0x449/0x710 [ 1137.229133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.229133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.229133][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.229133][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.229133][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.229133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.229133][ T10] [ 1137.231323][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1137.231323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.231323][ T10] ipv6_find_idev+0x102/0x170 [ 1137.231323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.231323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.231323][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.231323][ T10] netlink_unicast+0x449/0x710 [ 1137.231323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.231323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.231323][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.231323][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.231323][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.231323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.231323][ T10] [ 1137.233006][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1137.233006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.233006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.233006][ T10] ipv6_find_idev+0x102/0x170 [ 1137.233006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.233006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.233006][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.233006][ T10] netlink_unicast+0x449/0x710 [ 1137.233006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.233006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.233006][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.233006][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.233006][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.233006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.233006][ T10] [ 1137.234918][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1137.235224][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1137.235224][ T10] netdev_get_by_index+0x5e/0x80 [ 1137.235224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1137.235224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1137.235224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1137.235224][ T10] ipv6_add_addr+0x411/0x2000 [ 1137.235224][ T10] inet6_addr_add+0x30e/0xa40 [ 1137.235224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1137.235224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.235224][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.235224][ T10] netlink_unicast+0x449/0x710 [ 1137.235224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.235224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.235224][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.235224][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.235224][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.235224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.235224][ T10] [ 1137.237369][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1137.237369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1137.237369][ T10] ipv6_find_idev+0x102/0x170 [ 1137.237369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.237369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.237369][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.237369][ T10] netlink_unicast+0x449/0x710 [ 1137.237369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.237369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.237369][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.237369][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.237369][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.237369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.237369][ T10] [ 1137.239060][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1137.239060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1137.239060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1137.239060][ T10] ipv6_find_idev+0x102/0x170 [ 1137.239060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1137.239060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1137.239060][ T10] netlink_rcv_skb+0x130/0x360 [ 1137.239060][ T10] netlink_unicast+0x449/0x710 [ 1137.239060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1137.239060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1137.239060][ T10] ___sys_sendmsg+0xee/0x170 [ 1137.239060][ T10] __sys_sendmsg+0xcd/0x170 [ 1137.239060][ T10] do_syscall_64+0xc6/0x1e0 [ 1137.239060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1137.239060][ T10] [ 1147.482883][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1147.483279][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1147.483279][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.483279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.483279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.483279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.483279][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.483279][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.483279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.483279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.483279][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.483279][ T10] netlink_unicast+0x449/0x710 [ 1147.483279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.483279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.483279][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.483279][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.483279][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.483279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.483279][ T10] [ 1147.485250][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1147.485250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.485250][ T10] ipv6_find_idev+0x102/0x170 [ 1147.485250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.485250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.485250][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.485250][ T10] netlink_unicast+0x449/0x710 [ 1147.485250][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.485250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.485250][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.485250][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.485250][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.485250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.485250][ T10] [ 1147.486762][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1147.486762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.486762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.486762][ T10] ipv6_find_idev+0x102/0x170 [ 1147.486762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.486762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.486762][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.486762][ T10] netlink_unicast+0x449/0x710 [ 1147.486762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.486762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.486762][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.486762][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.486762][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.486762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.486762][ T10] [ 1147.488513][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1147.488773][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1147.488773][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.488773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.488773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.488773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.488773][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.488773][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.488773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.488773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.488773][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.488773][ T10] netlink_unicast+0x449/0x710 [ 1147.488773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.488773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.488773][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.488773][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.488773][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.488773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.488773][ T10] [ 1147.490736][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1147.490736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.490736][ T10] ipv6_find_idev+0x102/0x170 [ 1147.490736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.490736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.490736][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.490736][ T10] netlink_unicast+0x449/0x710 [ 1147.490736][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.490736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.490736][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.490736][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.490736][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.490736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.490736][ T10] [ 1147.492254][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1147.492254][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.492254][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.492254][ T10] ipv6_find_idev+0x102/0x170 [ 1147.492254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.492254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.492254][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.492254][ T10] netlink_unicast+0x449/0x710 [ 1147.492254][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.492254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.492254][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.492254][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.492254][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.492254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.492254][ T10] [ 1147.493904][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1147.494164][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1147.494164][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.494164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.494164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.494164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.494164][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.494164][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.494164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.494164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.494164][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.494164][ T10] netlink_unicast+0x449/0x710 [ 1147.494164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.494164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.494164][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.494164][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.494164][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.494164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.494164][ T10] [ 1147.496118][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1147.496118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.496118][ T10] ipv6_find_idev+0x102/0x170 [ 1147.496118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.496118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.496118][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.496118][ T10] netlink_unicast+0x449/0x710 [ 1147.496118][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.496118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.496118][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.496118][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.496118][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.496118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.496118][ T10] [ 1147.497623][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1147.497623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.497623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.497623][ T10] ipv6_find_idev+0x102/0x170 [ 1147.497623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.497623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.497623][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.497623][ T10] netlink_unicast+0x449/0x710 [ 1147.497623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.497623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.497623][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.497623][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.497623][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.497623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.497623][ T10] [ 1147.499281][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1147.499545][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1147.499545][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.499545][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.499545][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.499545][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.499545][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.499545][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.499545][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.499545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.499545][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.499545][ T10] netlink_unicast+0x449/0x710 [ 1147.499545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.499545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.499545][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.499545][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.499545][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.499545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.499545][ T10] [ 1147.501493][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1147.501493][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.501493][ T10] ipv6_find_idev+0x102/0x170 [ 1147.501493][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.501493][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.501493][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.501493][ T10] netlink_unicast+0x449/0x710 [ 1147.501493][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.501493][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.501493][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.501493][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.501493][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.501493][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.501493][ T10] [ 1147.503008][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1147.503008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.503008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.503008][ T10] ipv6_find_idev+0x102/0x170 [ 1147.503008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.503008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.503008][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.503008][ T10] netlink_unicast+0x449/0x710 [ 1147.503008][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.503008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.503008][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.503008][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.503008][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.503008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.503008][ T10] [ 1147.505056][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1147.505319][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1147.505319][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.505319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.505319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.505319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.505319][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.505319][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.505319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.505319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.505319][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.505319][ T10] netlink_unicast+0x449/0x710 [ 1147.505319][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.505319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.505319][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.505319][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.505319][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.505319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.505319][ T10] [ 1147.507260][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1147.507260][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.507260][ T10] ipv6_find_idev+0x102/0x170 [ 1147.507260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.507260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.507260][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.507260][ T10] netlink_unicast+0x449/0x710 [ 1147.507260][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.507260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.507260][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.507260][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.507260][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.507260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.507260][ T10] [ 1147.508775][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1147.508775][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.508775][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.508775][ T10] ipv6_find_idev+0x102/0x170 [ 1147.508775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.508775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.508775][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.508775][ T10] netlink_unicast+0x449/0x710 [ 1147.508775][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.508775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.508775][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.508775][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.508775][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.508775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.508775][ T10] [ 1147.510457][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1147.510716][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1147.510716][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.510716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.510716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.510716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.510716][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.510716][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.510716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.510716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.510716][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.510716][ T10] netlink_unicast+0x449/0x710 [ 1147.510716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.510716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.510716][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.510716][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.510716][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.510716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.510716][ T10] [ 1147.512789][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1147.512789][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.512789][ T10] ipv6_find_idev+0x102/0x170 [ 1147.512789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.512789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.512789][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.512789][ T10] netlink_unicast+0x449/0x710 [ 1147.512789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.512789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.512789][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.512789][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.512789][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.512789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.512789][ T10] [ 1147.514996][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1147.514996][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.514996][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.514996][ T10] ipv6_find_idev+0x102/0x170 [ 1147.514996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.514996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.514996][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.514996][ T10] netlink_unicast+0x449/0x710 [ 1147.514996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.514996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.514996][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.514996][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.514996][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.514996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.514996][ T10] [ 1147.516870][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1147.517134][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1147.517134][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.517134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.517134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.517134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.517134][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.517134][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.517134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.517134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.517134][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.517134][ T10] netlink_unicast+0x449/0x710 [ 1147.517134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.517134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.517134][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.517134][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.517134][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.517134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.517134][ T10] [ 1147.519326][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1147.519326][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.519326][ T10] ipv6_find_idev+0x102/0x170 [ 1147.519326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.519326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.519326][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.519326][ T10] netlink_unicast+0x449/0x710 [ 1147.519326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.519326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.519326][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.519326][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.519326][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.519326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.519326][ T10] [ 1147.521070][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1147.521070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.521070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.521070][ T10] ipv6_find_idev+0x102/0x170 [ 1147.521070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.521070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.521070][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.521070][ T10] netlink_unicast+0x449/0x710 [ 1147.521070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.521070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.521070][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.521070][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.521070][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.521070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.521070][ T10] [ 1147.522930][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1147.523184][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1147.523184][ T10] netdev_get_by_index+0x5e/0x80 [ 1147.523184][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1147.523184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1147.523184][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1147.523184][ T10] ipv6_add_addr+0x411/0x2000 [ 1147.523184][ T10] inet6_addr_add+0x30e/0xa40 [ 1147.523184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1147.523184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.523184][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.523184][ T10] netlink_unicast+0x449/0x710 [ 1147.523184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.523184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.523184][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.523184][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.523184][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.523184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.523184][ T10] [ 1147.525377][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1147.525377][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1147.525377][ T10] ipv6_find_idev+0x102/0x170 [ 1147.525377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.525377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.525377][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.525377][ T10] netlink_unicast+0x449/0x710 [ 1147.525377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.525377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.525377][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.525377][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.525377][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.525377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.525377][ T10] [ 1147.527055][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1147.527055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1147.527055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1147.527055][ T10] ipv6_find_idev+0x102/0x170 [ 1147.527055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1147.527055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1147.527055][ T10] netlink_rcv_skb+0x130/0x360 [ 1147.527055][ T10] netlink_unicast+0x449/0x710 [ 1147.527055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1147.527055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1147.527055][ T10] ___sys_sendmsg+0xee/0x170 [ 1147.527055][ T10] __sys_sendmsg+0xcd/0x170 [ 1147.527055][ T10] do_syscall_64+0xc6/0x1e0 [ 1147.527055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1147.527055][ T10] [ 1157.770974][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1157.771425][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1157.771425][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.771425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.771425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.771425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.771425][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.771425][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.771425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.771425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.771425][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.771425][ T10] netlink_unicast+0x449/0x710 [ 1157.771425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.771425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.771425][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.771425][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.771425][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.771425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.771425][ T10] [ 1157.773399][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1157.773399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.773399][ T10] ipv6_find_idev+0x102/0x170 [ 1157.773399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.773399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.773399][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.773399][ T10] netlink_unicast+0x449/0x710 [ 1157.773399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.773399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.773399][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.773399][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.773399][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.773399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.773399][ T10] [ 1157.774909][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1157.774909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.774909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.774909][ T10] ipv6_find_idev+0x102/0x170 [ 1157.774909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.774909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.774909][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.774909][ T10] netlink_unicast+0x449/0x710 [ 1157.774909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.774909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.774909][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.774909][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.774909][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.774909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.774909][ T10] [ 1157.776563][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1157.776832][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1157.776832][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.776832][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.776832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.776832][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.776832][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.776832][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.776832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.776832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.776832][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.776832][ T10] netlink_unicast+0x449/0x710 [ 1157.776832][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.776832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.776832][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.776832][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.776832][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.776832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.776832][ T10] [ 1157.778922][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1157.778922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.778922][ T10] ipv6_find_idev+0x102/0x170 [ 1157.778922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.778922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.778922][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.778922][ T10] netlink_unicast+0x449/0x710 [ 1157.778922][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.778922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.778922][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.778922][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.778922][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.778922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.778922][ T10] [ 1157.780437][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1157.780437][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.780437][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.780437][ T10] ipv6_find_idev+0x102/0x170 [ 1157.780437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.780437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.780437][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.780437][ T10] netlink_unicast+0x449/0x710 [ 1157.780437][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.780437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.780437][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.780437][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.780437][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.780437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.780437][ T10] [ 1157.782093][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1157.782352][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1157.782352][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.782352][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.782352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.782352][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.782352][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.782352][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.782352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.782352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.782352][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.782352][ T10] netlink_unicast+0x449/0x710 [ 1157.782352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.782352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.782352][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.782352][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.782352][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.782352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.782352][ T10] [ 1157.784329][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1157.784329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.784329][ T10] ipv6_find_idev+0x102/0x170 [ 1157.784329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.784329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.784329][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.784329][ T10] netlink_unicast+0x449/0x710 [ 1157.784329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.784329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.784329][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.784329][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.784329][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.784329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.784329][ T10] [ 1157.785845][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1157.785845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.785845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.785845][ T10] ipv6_find_idev+0x102/0x170 [ 1157.785845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.785845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.785845][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.785845][ T10] netlink_unicast+0x449/0x710 [ 1157.785845][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.785845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.785845][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.785845][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.785845][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.785845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.785845][ T10] [ 1157.787497][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1157.787794][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1157.787794][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.787794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.787794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.787794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.787794][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.787794][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.787794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.787794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.787794][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.787794][ T10] netlink_unicast+0x449/0x710 [ 1157.787794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.787794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.787794][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.787794][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.787794][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.787794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.787794][ T10] [ 1157.789752][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1157.789752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.789752][ T10] ipv6_find_idev+0x102/0x170 [ 1157.789752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.789752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.789752][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.789752][ T10] netlink_unicast+0x449/0x710 [ 1157.789752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.789752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.789752][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.789752][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.789752][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.789752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.789752][ T10] [ 1157.791264][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1157.791264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.791264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.791264][ T10] ipv6_find_idev+0x102/0x170 [ 1157.791264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.791264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.791264][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.791264][ T10] netlink_unicast+0x449/0x710 [ 1157.791264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.791264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.791264][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.791264][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.791264][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.791264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.791264][ T10] [ 1157.793310][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1157.793571][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1157.793571][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.793571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.793571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.793571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.793571][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.793571][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.793571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.793571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.793571][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.793571][ T10] netlink_unicast+0x449/0x710 [ 1157.793571][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.793571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.793571][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.793571][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.793571][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.793571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.793571][ T10] [ 1157.795547][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1157.795547][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.795547][ T10] ipv6_find_idev+0x102/0x170 [ 1157.795547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.795547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.795547][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.795547][ T10] netlink_unicast+0x449/0x710 [ 1157.795547][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.795547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.795547][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.795547][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.795547][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.795547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.795547][ T10] [ 1157.797055][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1157.797055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.797055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.797055][ T10] ipv6_find_idev+0x102/0x170 [ 1157.797055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.797055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.797055][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.797055][ T10] netlink_unicast+0x449/0x710 [ 1157.797055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.797055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.797055][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.797055][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.797055][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.797055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.797055][ T10] [ 1157.799114][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1157.799377][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1157.799377][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.799377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.799377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.799377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.799377][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.799377][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.799377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.799377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.799377][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.799377][ T10] netlink_unicast+0x449/0x710 [ 1157.799377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.799377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.799377][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.799377][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.799377][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.799377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.799377][ T10] [ 1157.801453][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1157.801453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.801453][ T10] ipv6_find_idev+0x102/0x170 [ 1157.801453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.801453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.801453][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.801453][ T10] netlink_unicast+0x449/0x710 [ 1157.801453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.801453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.801453][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.801453][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.801453][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.801453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.801453][ T10] [ 1157.803137][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1157.803137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.803137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.803137][ T10] ipv6_find_idev+0x102/0x170 [ 1157.803137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.803137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.803137][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.803137][ T10] netlink_unicast+0x449/0x710 [ 1157.803137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.803137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.803137][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.803137][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.803137][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.803137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.803137][ T10] [ 1157.805008][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1157.805266][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1157.805266][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.805266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.805266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.805266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.805266][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.805266][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.805266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.805266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.805266][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.805266][ T10] netlink_unicast+0x449/0x710 [ 1157.805266][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.805266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.805266][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.805266][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.805266][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.805266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.805266][ T10] [ 1157.807453][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1157.807453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.807453][ T10] ipv6_find_idev+0x102/0x170 [ 1157.807453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.807453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.807453][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.807453][ T10] netlink_unicast+0x449/0x710 [ 1157.807453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.807453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.807453][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.807453][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.807453][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.807453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.807453][ T10] [ 1157.809222][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1157.809222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.809222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.809222][ T10] ipv6_find_idev+0x102/0x170 [ 1157.809222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.809222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.809222][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.809222][ T10] netlink_unicast+0x449/0x710 [ 1157.809222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.809222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.809222][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.809222][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.809222][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.809222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.809222][ T10] [ 1157.811082][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1157.811388][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1157.811388][ T10] netdev_get_by_index+0x5e/0x80 [ 1157.811388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1157.811388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1157.811388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1157.811388][ T10] ipv6_add_addr+0x411/0x2000 [ 1157.811388][ T10] inet6_addr_add+0x30e/0xa40 [ 1157.811388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1157.811388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.811388][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.811388][ T10] netlink_unicast+0x449/0x710 [ 1157.811388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.811388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.811388][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.811388][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.811388][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.811388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.811388][ T10] [ 1157.813523][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1157.813523][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1157.813523][ T10] ipv6_find_idev+0x102/0x170 [ 1157.813523][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.813523][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.813523][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.813523][ T10] netlink_unicast+0x449/0x710 [ 1157.813523][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.813523][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.813523][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.813523][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.813523][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.813523][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.813523][ T10] [ 1157.815209][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1157.815209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1157.815209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1157.815209][ T10] ipv6_find_idev+0x102/0x170 [ 1157.815209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1157.815209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1157.815209][ T10] netlink_rcv_skb+0x130/0x360 [ 1157.815209][ T10] netlink_unicast+0x449/0x710 [ 1157.815209][ T10] netlink_sendmsg+0x723/0xbe0 [ 1157.815209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1157.815209][ T10] ___sys_sendmsg+0xee/0x170 [ 1157.815209][ T10] __sys_sendmsg+0xcd/0x170 [ 1157.815209][ T10] do_syscall_64+0xc6/0x1e0 [ 1157.815209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1157.815209][ T10] [ 1168.058914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1168.059304][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1168.059304][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.059304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.059304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.059304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.059304][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.059304][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.059304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.059304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.059304][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.059304][ T10] netlink_unicast+0x449/0x710 [ 1168.059304][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.059304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.059304][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.059304][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.059304][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.059304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.059304][ T10] [ 1168.061306][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1168.061306][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.061306][ T10] ipv6_find_idev+0x102/0x170 [ 1168.061306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.061306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.061306][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.061306][ T10] netlink_unicast+0x449/0x710 [ 1168.061306][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.061306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.061306][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.061306][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.061306][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.061306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.061306][ T10] [ 1168.062828][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1168.062828][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.062828][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.062828][ T10] ipv6_find_idev+0x102/0x170 [ 1168.062828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.062828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.062828][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.062828][ T10] netlink_unicast+0x449/0x710 [ 1168.062828][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.062828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.062828][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.062828][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.062828][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.062828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.062828][ T10] [ 1168.064509][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1168.064772][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1168.064772][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.064772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.064772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.064772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.064772][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.064772][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.064772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.064772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.064772][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.064772][ T10] netlink_unicast+0x449/0x710 [ 1168.064772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.064772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.064772][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.064772][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.064772][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.064772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.064772][ T10] [ 1168.066731][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1168.066731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.066731][ T10] ipv6_find_idev+0x102/0x170 [ 1168.066731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.066731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.066731][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.066731][ T10] netlink_unicast+0x449/0x710 [ 1168.066731][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.066731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.066731][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.066731][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.066731][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.066731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.066731][ T10] [ 1168.068277][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1168.068277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.068277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.068277][ T10] ipv6_find_idev+0x102/0x170 [ 1168.068277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.068277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.068277][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.068277][ T10] netlink_unicast+0x449/0x710 [ 1168.068277][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.068277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.068277][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.068277][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.068277][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.068277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.068277][ T10] [ 1168.069930][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1168.070195][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1168.070195][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.070195][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.070195][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.070195][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.070195][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.070195][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.070195][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.070195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.070195][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.070195][ T10] netlink_unicast+0x449/0x710 [ 1168.070195][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.070195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.070195][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.070195][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.070195][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.070195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.070195][ T10] [ 1168.072180][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1168.072180][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.072180][ T10] ipv6_find_idev+0x102/0x170 [ 1168.072180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.072180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.072180][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.072180][ T10] netlink_unicast+0x449/0x710 [ 1168.072180][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.072180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.072180][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.072180][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.072180][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.072180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.072180][ T10] [ 1168.073693][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1168.073693][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.073693][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.073693][ T10] ipv6_find_idev+0x102/0x170 [ 1168.073693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.073693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.073693][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.073693][ T10] netlink_unicast+0x449/0x710 [ 1168.073693][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.073693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.073693][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.073693][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.073693][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.073693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.073693][ T10] [ 1168.075337][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1168.075596][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1168.075596][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.075596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.075596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.075596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.075596][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.075596][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.075596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.075596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.075596][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.075596][ T10] netlink_unicast+0x449/0x710 [ 1168.075596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.075596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.075596][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.075596][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.075596][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.075596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.075596][ T10] [ 1168.077579][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1168.077579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.077579][ T10] ipv6_find_idev+0x102/0x170 [ 1168.077579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.077579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.077579][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.077579][ T10] netlink_unicast+0x449/0x710 [ 1168.077579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.077579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.077579][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.077579][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.077579][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.077579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.077579][ T10] [ 1168.079094][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1168.079094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.079094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.079094][ T10] ipv6_find_idev+0x102/0x170 [ 1168.079094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.079094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.079094][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.079094][ T10] netlink_unicast+0x449/0x710 [ 1168.079094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.079094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.079094][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.079094][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.079094][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.079094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.079094][ T10] [ 1168.081172][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1168.081435][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1168.081435][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.081435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.081435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.081435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.081435][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.081435][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.081435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.081435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.081435][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.081435][ T10] netlink_unicast+0x449/0x710 [ 1168.081435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.081435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.081435][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.081435][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.081435][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.081435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.081435][ T10] [ 1168.083376][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1168.083376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.083376][ T10] ipv6_find_idev+0x102/0x170 [ 1168.083376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.083376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.083376][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.083376][ T10] netlink_unicast+0x449/0x710 [ 1168.083376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.083376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.083376][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.083376][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.083376][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.083376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.083376][ T10] [ 1168.084898][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1168.084898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.084898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.084898][ T10] ipv6_find_idev+0x102/0x170 [ 1168.084898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.084898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.084898][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.084898][ T10] netlink_unicast+0x449/0x710 [ 1168.084898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.084898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.084898][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.084898][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.084898][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.084898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.084898][ T10] [ 1168.086590][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1168.086863][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1168.086863][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.086863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.086863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.086863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.086863][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.086863][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.086863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.086863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.086863][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.086863][ T10] netlink_unicast+0x449/0x710 [ 1168.086863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.086863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.086863][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.086863][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.086863][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.086863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.086863][ T10] [ 1168.088965][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1168.088965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.088965][ T10] ipv6_find_idev+0x102/0x170 [ 1168.088965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.088965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.088965][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.088965][ T10] netlink_unicast+0x449/0x710 [ 1168.088965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.088965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.088965][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.088965][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.088965][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.088965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.088965][ T10] [ 1168.090653][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1168.090653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.090653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.090653][ T10] ipv6_find_idev+0x102/0x170 [ 1168.090653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.090653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.090653][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.090653][ T10] netlink_unicast+0x449/0x710 [ 1168.090653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.090653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.090653][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.090653][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.090653][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.090653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.090653][ T10] [ 1168.092543][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1168.092822][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1168.092822][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.092822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.092822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.092822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.092822][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.092822][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.092822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.092822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.092822][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.092822][ T10] netlink_unicast+0x449/0x710 [ 1168.092822][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.092822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.092822][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.092822][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.092822][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.092822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.092822][ T10] [ 1168.095013][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1168.095013][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.095013][ T10] ipv6_find_idev+0x102/0x170 [ 1168.095013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.095013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.095013][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.095013][ T10] netlink_unicast+0x449/0x710 [ 1168.095013][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.095013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.095013][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.095013][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.095013][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.095013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.095013][ T10] [ 1168.096725][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1168.096725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.096725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.096725][ T10] ipv6_find_idev+0x102/0x170 [ 1168.096725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.096725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.096725][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.096725][ T10] netlink_unicast+0x449/0x710 [ 1168.096725][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.096725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.096725][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.096725][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.096725][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.096725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.096725][ T10] [ 1168.098662][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1168.098979][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1168.098979][ T10] netdev_get_by_index+0x5e/0x80 [ 1168.098979][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1168.098979][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1168.098979][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1168.098979][ T10] ipv6_add_addr+0x411/0x2000 [ 1168.098979][ T10] inet6_addr_add+0x30e/0xa40 [ 1168.098979][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1168.098979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.098979][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.098979][ T10] netlink_unicast+0x449/0x710 [ 1168.098979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.098979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.098979][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.098979][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.098979][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.098979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.098979][ T10] [ 1168.101138][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1168.101138][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1168.101138][ T10] ipv6_find_idev+0x102/0x170 [ 1168.101138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.101138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.101138][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.101138][ T10] netlink_unicast+0x449/0x710 [ 1168.101138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.101138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.101138][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.101138][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.101138][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.101138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.101138][ T10] [ 1168.102825][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1168.102825][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1168.102825][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1168.102825][ T10] ipv6_find_idev+0x102/0x170 [ 1168.102825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1168.102825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1168.102825][ T10] netlink_rcv_skb+0x130/0x360 [ 1168.102825][ T10] netlink_unicast+0x449/0x710 [ 1168.102825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1168.102825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1168.102825][ T10] ___sys_sendmsg+0xee/0x170 [ 1168.102825][ T10] __sys_sendmsg+0xcd/0x170 [ 1168.102825][ T10] do_syscall_64+0xc6/0x1e0 [ 1168.102825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1168.102825][ T10] [ 1178.346898][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1178.347276][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1178.347276][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.347276][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.347276][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.347276][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.347276][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.347276][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.347276][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.347276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.347276][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.347276][ T10] netlink_unicast+0x449/0x710 [ 1178.347276][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.347276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.347276][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.347276][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.347276][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.347276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.347276][ T10] [ 1178.349264][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1178.349264][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.349264][ T10] ipv6_find_idev+0x102/0x170 [ 1178.349264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.349264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.349264][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.349264][ T10] netlink_unicast+0x449/0x710 [ 1178.349264][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.349264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.349264][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.349264][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.349264][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.349264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.349264][ T10] [ 1178.350778][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1178.350778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.350778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.350778][ T10] ipv6_find_idev+0x102/0x170 [ 1178.350778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.350778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.350778][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.350778][ T10] netlink_unicast+0x449/0x710 [ 1178.350778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.350778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.350778][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.350778][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.350778][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.350778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.350778][ T10] [ 1178.352431][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1178.352691][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1178.352691][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.352691][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.352691][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.352691][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.352691][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.352691][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.352691][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.352691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.352691][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.352691][ T10] netlink_unicast+0x449/0x710 [ 1178.352691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.352691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.352691][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.352691][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.352691][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.352691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.352691][ T10] [ 1178.354657][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1178.354657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.354657][ T10] ipv6_find_idev+0x102/0x170 [ 1178.354657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.354657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.354657][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.354657][ T10] netlink_unicast+0x449/0x710 [ 1178.354657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.354657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.354657][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.354657][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.354657][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.354657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.354657][ T10] [ 1178.356164][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1178.356164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.356164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.356164][ T10] ipv6_find_idev+0x102/0x170 [ 1178.356164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.356164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.356164][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.356164][ T10] netlink_unicast+0x449/0x710 [ 1178.356164][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.356164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.356164][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.356164][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.356164][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.356164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.356164][ T10] [ 1178.357818][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1178.358090][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1178.358090][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.358090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.358090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.358090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.358090][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.358090][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.358090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.358090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.358090][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.358090][ T10] netlink_unicast+0x449/0x710 [ 1178.358090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.358090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.358090][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.358090][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.358090][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.358090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.358090][ T10] [ 1178.360055][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1178.360055][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.360055][ T10] ipv6_find_idev+0x102/0x170 [ 1178.360055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.360055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.360055][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.360055][ T10] netlink_unicast+0x449/0x710 [ 1178.360055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.360055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.360055][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.360055][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.360055][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.360055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.360055][ T10] [ 1178.361559][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1178.361559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.361559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.361559][ T10] ipv6_find_idev+0x102/0x170 [ 1178.361559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.361559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.361559][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.361559][ T10] netlink_unicast+0x449/0x710 [ 1178.361559][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.361559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.361559][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.361559][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.361559][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.361559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.361559][ T10] [ 1178.363207][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1178.363475][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1178.363475][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.363475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.363475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.363475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.363475][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.363475][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.363475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.363475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.363475][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.363475][ T10] netlink_unicast+0x449/0x710 [ 1178.363475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.363475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.363475][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.363475][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.363475][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.363475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.363475][ T10] [ 1178.365432][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1178.365432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.365432][ T10] ipv6_find_idev+0x102/0x170 [ 1178.365432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.365432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.365432][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.365432][ T10] netlink_unicast+0x449/0x710 [ 1178.365432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.365432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.365432][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.365432][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.365432][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.365432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.365432][ T10] [ 1178.366952][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1178.366952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.366952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.366952][ T10] ipv6_find_idev+0x102/0x170 [ 1178.366952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.366952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.366952][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.366952][ T10] netlink_unicast+0x449/0x710 [ 1178.366952][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.366952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.366952][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.366952][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.366952][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.366952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.366952][ T10] [ 1178.369019][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1178.369283][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1178.369283][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.369283][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.369283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.369283][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.369283][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.369283][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.369283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.369283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.369283][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.369283][ T10] netlink_unicast+0x449/0x710 [ 1178.369283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.369283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.369283][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.369283][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.369283][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.369283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.369283][ T10] [ 1178.371235][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1178.371235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.371235][ T10] ipv6_find_idev+0x102/0x170 [ 1178.371235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.371235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.371235][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.371235][ T10] netlink_unicast+0x449/0x710 [ 1178.371235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.371235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.371235][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.371235][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.371235][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.371235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.371235][ T10] [ 1178.373260][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1178.373260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.373260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.373260][ T10] ipv6_find_idev+0x102/0x170 [ 1178.373260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.373260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.373260][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.373260][ T10] netlink_unicast+0x449/0x710 [ 1178.373260][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.373260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.373260][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.373260][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.373260][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.373260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.373260][ T10] [ 1178.374948][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1178.375217][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1178.375217][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.375217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.375217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.375217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.375217][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.375217][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.375217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.375217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.375217][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.375217][ T10] netlink_unicast+0x449/0x710 [ 1178.375217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.375217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.375217][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.375217][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.375217][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.375217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.375217][ T10] [ 1178.377241][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1178.377241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.377241][ T10] ipv6_find_idev+0x102/0x170 [ 1178.377241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.377241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.377241][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.377241][ T10] netlink_unicast+0x449/0x710 [ 1178.377241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.377241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.377241][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.377241][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.377241][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.377241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.377241][ T10] [ 1178.379016][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1178.379016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.379016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.379016][ T10] ipv6_find_idev+0x102/0x170 [ 1178.379016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.379016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.379016][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.379016][ T10] netlink_unicast+0x449/0x710 [ 1178.379016][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.379016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.379016][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.379016][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.379016][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.379016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.379016][ T10] [ 1178.381260][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1178.381533][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1178.381533][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.381533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.381533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.381533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.381533][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.381533][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.381533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.381533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.381533][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.381533][ T10] netlink_unicast+0x449/0x710 [ 1178.381533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.381533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.381533][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.381533][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.381533][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.381533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.381533][ T10] [ 1178.383725][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1178.383725][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.383725][ T10] ipv6_find_idev+0x102/0x170 [ 1178.383725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.383725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.383725][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.383725][ T10] netlink_unicast+0x449/0x710 [ 1178.383725][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.383725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.383725][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.383725][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.383725][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.383725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.383725][ T10] [ 1178.385412][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1178.385412][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.385412][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.385412][ T10] ipv6_find_idev+0x102/0x170 [ 1178.385412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.385412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.385412][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.385412][ T10] netlink_unicast+0x449/0x710 [ 1178.385412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.385412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.385412][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.385412][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.385412][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.385412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.385412][ T10] [ 1178.387272][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1178.387529][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1178.387529][ T10] netdev_get_by_index+0x5e/0x80 [ 1178.387529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1178.387529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1178.387529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1178.387529][ T10] ipv6_add_addr+0x411/0x2000 [ 1178.387529][ T10] inet6_addr_add+0x30e/0xa40 [ 1178.387529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1178.387529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.387529][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.387529][ T10] netlink_unicast+0x449/0x710 [ 1178.387529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.387529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.387529][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.387529][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.387529][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.387529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.387529][ T10] [ 1178.389790][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1178.389790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1178.389790][ T10] ipv6_find_idev+0x102/0x170 [ 1178.389790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.389790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.389790][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.389790][ T10] netlink_unicast+0x449/0x710 [ 1178.389790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.389790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.389790][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.389790][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.389790][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.389790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.389790][ T10] [ 1178.391514][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1178.391514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1178.391514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1178.391514][ T10] ipv6_find_idev+0x102/0x170 [ 1178.391514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1178.391514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1178.391514][ T10] netlink_rcv_skb+0x130/0x360 [ 1178.391514][ T10] netlink_unicast+0x449/0x710 [ 1178.391514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1178.391514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1178.391514][ T10] ___sys_sendmsg+0xee/0x170 [ 1178.391514][ T10] __sys_sendmsg+0xcd/0x170 [ 1178.391514][ T10] do_syscall_64+0xc6/0x1e0 [ 1178.391514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1178.391514][ T10] [ 1188.410921][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1188.411324][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1188.411324][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.411324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.411324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.411324][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.411324][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.411324][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.411324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.411324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.411324][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.411324][ T10] netlink_unicast+0x449/0x710 [ 1188.411324][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.411324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.411324][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.411324][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.411324][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.411324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.411324][ T10] [ 1188.413336][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1188.413336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.413336][ T10] ipv6_find_idev+0x102/0x170 [ 1188.413336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.413336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.413336][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.413336][ T10] netlink_unicast+0x449/0x710 [ 1188.413336][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.413336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.413336][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.413336][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.413336][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.413336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.413336][ T10] [ 1188.414876][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1188.414876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.414876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.414876][ T10] ipv6_find_idev+0x102/0x170 [ 1188.414876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.414876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.414876][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.414876][ T10] netlink_unicast+0x449/0x710 [ 1188.414876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.414876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.414876][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.414876][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.414876][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.414876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.414876][ T10] [ 1188.416729][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1188.417019][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1188.417019][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.417019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.417019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.417019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.417019][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.417019][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.417019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.417019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.417019][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.417019][ T10] netlink_unicast+0x449/0x710 [ 1188.417019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.417019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.417019][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.417019][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.417019][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.417019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.417019][ T10] [ 1188.419033][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1188.419033][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.419033][ T10] ipv6_find_idev+0x102/0x170 [ 1188.419033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.419033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.419033][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.419033][ T10] netlink_unicast+0x449/0x710 [ 1188.419033][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.419033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.419033][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.419033][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.419033][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.419033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.419033][ T10] [ 1188.420580][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1188.420580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.420580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.420580][ T10] ipv6_find_idev+0x102/0x170 [ 1188.420580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.420580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.420580][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.420580][ T10] netlink_unicast+0x449/0x710 [ 1188.420580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.420580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.420580][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.420580][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.420580][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.420580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.420580][ T10] [ 1188.422294][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1188.422566][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1188.422566][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.422566][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.422566][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.422566][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.422566][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.422566][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.422566][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.422566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.422566][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.422566][ T10] netlink_unicast+0x449/0x710 [ 1188.422566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.422566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.422566][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.422566][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.422566][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.422566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.422566][ T10] [ 1188.424553][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1188.424553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.424553][ T10] ipv6_find_idev+0x102/0x170 [ 1188.424553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.424553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.424553][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.424553][ T10] netlink_unicast+0x449/0x710 [ 1188.424553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.424553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.424553][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.424553][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.424553][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.424553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.424553][ T10] [ 1188.426103][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1188.426103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.426103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.426103][ T10] ipv6_find_idev+0x102/0x170 [ 1188.426103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.426103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.426103][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.426103][ T10] netlink_unicast+0x449/0x710 [ 1188.426103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.426103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.426103][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.426103][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.426103][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.426103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.426103][ T10] [ 1188.427826][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1188.428526][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1188.428526][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.428526][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.428526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.428526][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.428526][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.428526][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.428526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.428526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.428526][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.428526][ T10] netlink_unicast+0x449/0x710 [ 1188.428526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.428526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.428526][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.428526][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.428526][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.428526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.428526][ T10] [ 1188.430505][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1188.430505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.430505][ T10] ipv6_find_idev+0x102/0x170 [ 1188.430505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.430505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.430505][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.430505][ T10] netlink_unicast+0x449/0x710 [ 1188.430505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.430505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.430505][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.430505][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.430505][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.430505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.430505][ T10] [ 1188.432038][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1188.432038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.432038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.432038][ T10] ipv6_find_idev+0x102/0x170 [ 1188.432038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.432038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.432038][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.432038][ T10] netlink_unicast+0x449/0x710 [ 1188.432038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.432038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.432038][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.432038][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.432038][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.432038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.432038][ T10] [ 1188.433768][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1188.434092][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1188.434092][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.434092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.434092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.434092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.434092][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.434092][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.434092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.434092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.434092][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.434092][ T10] netlink_unicast+0x449/0x710 [ 1188.434092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.434092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.434092][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.434092][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.434092][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.434092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.434092][ T10] [ 1188.436083][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1188.436083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.436083][ T10] ipv6_find_idev+0x102/0x170 [ 1188.436083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.436083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.436083][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.436083][ T10] netlink_unicast+0x449/0x710 [ 1188.436083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.436083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.436083][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.436083][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.436083][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.436083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.436083][ T10] [ 1188.437624][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1188.437624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.437624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.437624][ T10] ipv6_find_idev+0x102/0x170 [ 1188.437624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.437624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.437624][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.437624][ T10] netlink_unicast+0x449/0x710 [ 1188.437624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.437624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.437624][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.437624][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.437624][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.437624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.437624][ T10] [ 1188.439347][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1188.439662][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1188.439662][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.439662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.439662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.439662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.439662][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.439662][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.439662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.439662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.439662][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.439662][ T10] netlink_unicast+0x449/0x710 [ 1188.439662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.439662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.439662][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.439662][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.439662][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.439662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.439662][ T10] [ 1188.441648][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1188.441648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.441648][ T10] ipv6_find_idev+0x102/0x170 [ 1188.441648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.441648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.441648][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.441648][ T10] netlink_unicast+0x449/0x710 [ 1188.441648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.441648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.441648][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.441648][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.441648][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.441648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.441648][ T10] [ 1188.443353][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1188.443353][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.443353][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.443353][ T10] ipv6_find_idev+0x102/0x170 [ 1188.443353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.443353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.443353][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.443353][ T10] netlink_unicast+0x449/0x710 [ 1188.443353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.443353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.443353][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.443353][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.443353][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.443353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.443353][ T10] [ 1188.445320][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1188.445634][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1188.445634][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.445634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.445634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.445634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.445634][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.445634][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.445634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.445634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.445634][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.445634][ T10] netlink_unicast+0x449/0x710 [ 1188.445634][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.445634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.445634][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.445634][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.445634][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.445634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.445634][ T10] [ 1188.447801][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1188.447801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.447801][ T10] ipv6_find_idev+0x102/0x170 [ 1188.447801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.447801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.447801][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.447801][ T10] netlink_unicast+0x449/0x710 [ 1188.447801][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.447801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.447801][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.447801][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.447801][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.447801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.447801][ T10] [ 1188.449514][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1188.449514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.449514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.449514][ T10] ipv6_find_idev+0x102/0x170 [ 1188.449514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.449514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.449514][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.449514][ T10] netlink_unicast+0x449/0x710 [ 1188.449514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.449514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.449514][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.449514][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.449514][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.449514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.449514][ T10] [ 1188.451475][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1188.451789][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1188.451789][ T10] netdev_get_by_index+0x5e/0x80 [ 1188.451789][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1188.451789][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1188.451789][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1188.451789][ T10] ipv6_add_addr+0x411/0x2000 [ 1188.451789][ T10] inet6_addr_add+0x30e/0xa40 [ 1188.451789][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1188.451789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.451789][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.451789][ T10] netlink_unicast+0x449/0x710 [ 1188.451789][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.451789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.451789][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.451789][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.451789][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.451789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.451789][ T10] [ 1188.453946][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1188.453946][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1188.453946][ T10] ipv6_find_idev+0x102/0x170 [ 1188.453946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.453946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.453946][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.453946][ T10] netlink_unicast+0x449/0x710 [ 1188.453946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.453946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.453946][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.453946][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.453946][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.453946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.453946][ T10] [ 1188.455713][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1188.455713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1188.455713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1188.455713][ T10] ipv6_find_idev+0x102/0x170 [ 1188.455713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1188.455713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1188.455713][ T10] netlink_rcv_skb+0x130/0x360 [ 1188.455713][ T10] netlink_unicast+0x449/0x710 [ 1188.455713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1188.455713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1188.455713][ T10] ___sys_sendmsg+0xee/0x170 [ 1188.455713][ T10] __sys_sendmsg+0xcd/0x170 [ 1188.455713][ T10] do_syscall_64+0xc6/0x1e0 [ 1188.455713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1188.455713][ T10] [ 1198.698934][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1198.699335][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1198.699335][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.699335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.699335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.699335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.699335][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.699335][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.699335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.699335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.699335][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.699335][ T10] netlink_unicast+0x449/0x710 [ 1198.699335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.699335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.699335][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.699335][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.699335][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.699335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.699335][ T10] [ 1198.701351][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1198.701351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.701351][ T10] ipv6_find_idev+0x102/0x170 [ 1198.701351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.701351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.701351][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.701351][ T10] netlink_unicast+0x449/0x710 [ 1198.701351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.701351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.701351][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.701351][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.701351][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.701351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.701351][ T10] [ 1198.702916][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1198.702916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.702916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.702916][ T10] ipv6_find_idev+0x102/0x170 [ 1198.702916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.702916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.702916][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.702916][ T10] netlink_unicast+0x449/0x710 [ 1198.702916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.702916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.702916][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.702916][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.702916][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.702916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.702916][ T10] [ 1198.704618][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1198.704912][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1198.704912][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.704912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.704912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.704912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.704912][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.704912][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.704912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.704912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.704912][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.704912][ T10] netlink_unicast+0x449/0x710 [ 1198.704912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.704912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.704912][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.704912][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.704912][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.704912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.704912][ T10] [ 1198.706906][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1198.706906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.706906][ T10] ipv6_find_idev+0x102/0x170 [ 1198.706906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.706906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.706906][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.706906][ T10] netlink_unicast+0x449/0x710 [ 1198.706906][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.706906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.706906][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.706906][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.706906][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.706906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.706906][ T10] [ 1198.708455][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1198.708455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.708455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.708455][ T10] ipv6_find_idev+0x102/0x170 [ 1198.708455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.708455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.708455][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.708455][ T10] netlink_unicast+0x449/0x710 [ 1198.708455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.708455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.708455][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.708455][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.708455][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.708455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.708455][ T10] [ 1198.710145][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1198.710414][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1198.710414][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.710414][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.710414][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.710414][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.710414][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.710414][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.710414][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.710414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.710414][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.710414][ T10] netlink_unicast+0x449/0x710 [ 1198.710414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.710414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.710414][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.710414][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.710414][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.710414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.710414][ T10] [ 1198.712413][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1198.712413][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.712413][ T10] ipv6_find_idev+0x102/0x170 [ 1198.712413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.712413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.712413][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.712413][ T10] netlink_unicast+0x449/0x710 [ 1198.712413][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.712413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.712413][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.712413][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.712413][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.712413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.712413][ T10] [ 1198.713977][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1198.713977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.713977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.713977][ T10] ipv6_find_idev+0x102/0x170 [ 1198.713977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.713977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.713977][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.713977][ T10] netlink_unicast+0x449/0x710 [ 1198.713977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.713977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.713977][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.713977][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.713977][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.713977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.713977][ T10] [ 1198.715675][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1198.716381][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1198.716381][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.716381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.716381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.716381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.716381][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.716381][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.716381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.716381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.716381][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.716381][ T10] netlink_unicast+0x449/0x710 [ 1198.716381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.716381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.716381][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.716381][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.716381][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.716381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.716381][ T10] [ 1198.718378][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1198.718378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.718378][ T10] ipv6_find_idev+0x102/0x170 [ 1198.718378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.718378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.718378][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.718378][ T10] netlink_unicast+0x449/0x710 [ 1198.718378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.718378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.718378][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.718378][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.718378][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.718378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.718378][ T10] [ 1198.719916][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1198.719916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.719916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.719916][ T10] ipv6_find_idev+0x102/0x170 [ 1198.719916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.719916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.719916][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.719916][ T10] netlink_unicast+0x449/0x710 [ 1198.719916][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.719916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.719916][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.719916][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.719916][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.719916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.719916][ T10] [ 1198.721649][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1198.721971][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1198.721971][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.721971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.721971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.721971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.721971][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.721971][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.721971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.721971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.721971][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.721971][ T10] netlink_unicast+0x449/0x710 [ 1198.721971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.721971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.721971][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.721971][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.721971][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.721971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.721971][ T10] [ 1198.723973][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1198.723973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.723973][ T10] ipv6_find_idev+0x102/0x170 [ 1198.723973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.723973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.723973][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.723973][ T10] netlink_unicast+0x449/0x710 [ 1198.723973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.723973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.723973][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.723973][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.723973][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.723973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.723973][ T10] [ 1198.725507][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1198.725507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.725507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.725507][ T10] ipv6_find_idev+0x102/0x170 [ 1198.725507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.725507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.725507][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.725507][ T10] netlink_unicast+0x449/0x710 [ 1198.725507][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.725507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.725507][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.725507][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.725507][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.725507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.725507][ T10] [ 1198.727236][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1198.727578][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1198.727578][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.727578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.727578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.727578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.727578][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.727578][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.727578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.727578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.727578][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.727578][ T10] netlink_unicast+0x449/0x710 [ 1198.727578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.727578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.727578][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.727578][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.727578][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.727578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.727578][ T10] [ 1198.729565][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1198.729565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.729565][ T10] ipv6_find_idev+0x102/0x170 [ 1198.729565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.729565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.729565][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.729565][ T10] netlink_unicast+0x449/0x710 [ 1198.729565][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.729565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.729565][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.729565][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.729565][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.729565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.729565][ T10] [ 1198.731287][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1198.731287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.731287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.731287][ T10] ipv6_find_idev+0x102/0x170 [ 1198.731287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.731287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.731287][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.731287][ T10] netlink_unicast+0x449/0x710 [ 1198.731287][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.731287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.731287][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.731287][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.731287][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.731287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.731287][ T10] [ 1198.733206][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1198.733526][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1198.733526][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.733526][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.733526][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.733526][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.733526][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.733526][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.733526][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.733526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.733526][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.733526][ T10] netlink_unicast+0x449/0x710 [ 1198.733526][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.733526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.733526][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.733526][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.733526][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.733526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.733526][ T10] [ 1198.735763][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1198.735763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.735763][ T10] ipv6_find_idev+0x102/0x170 [ 1198.735763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.735763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.735763][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.735763][ T10] netlink_unicast+0x449/0x710 [ 1198.735763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.735763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.735763][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.735763][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.735763][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.735763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.735763][ T10] [ 1198.737991][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1198.737991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.737991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.737991][ T10] ipv6_find_idev+0x102/0x170 [ 1198.737991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.737991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.737991][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.737991][ T10] netlink_unicast+0x449/0x710 [ 1198.737991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.737991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.737991][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.737991][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.737991][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.737991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.737991][ T10] [ 1198.739954][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1198.740267][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1198.740267][ T10] netdev_get_by_index+0x5e/0x80 [ 1198.740267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1198.740267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1198.740267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1198.740267][ T10] ipv6_add_addr+0x411/0x2000 [ 1198.740267][ T10] inet6_addr_add+0x30e/0xa40 [ 1198.740267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1198.740267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.740267][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.740267][ T10] netlink_unicast+0x449/0x710 [ 1198.740267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.740267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.740267][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.740267][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.740267][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.740267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.740267][ T10] [ 1198.742436][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1198.742436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1198.742436][ T10] ipv6_find_idev+0x102/0x170 [ 1198.742436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.742436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.742436][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.742436][ T10] netlink_unicast+0x449/0x710 [ 1198.742436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.742436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.742436][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.742436][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.742436][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.742436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.742436][ T10] [ 1198.744149][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1198.744149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1198.744149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1198.744149][ T10] ipv6_find_idev+0x102/0x170 [ 1198.744149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1198.744149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1198.744149][ T10] netlink_rcv_skb+0x130/0x360 [ 1198.744149][ T10] netlink_unicast+0x449/0x710 [ 1198.744149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1198.744149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1198.744149][ T10] ___sys_sendmsg+0xee/0x170 [ 1198.744149][ T10] __sys_sendmsg+0xcd/0x170 [ 1198.744149][ T10] do_syscall_64+0xc6/0x1e0 [ 1198.744149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1198.744149][ T10] [ 1208.898888][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1208.899271][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1208.899271][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.899271][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.899271][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.899271][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.899271][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.899271][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.899271][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.899271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.899271][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.899271][ T10] netlink_unicast+0x449/0x710 [ 1208.899271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.899271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.899271][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.899271][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.899271][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.899271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.899271][ T10] [ 1208.901245][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1208.901245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.901245][ T10] ipv6_find_idev+0x102/0x170 [ 1208.901245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.901245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.901245][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.901245][ T10] netlink_unicast+0x449/0x710 [ 1208.901245][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.901245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.901245][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.901245][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.901245][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.901245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.901245][ T10] [ 1208.902757][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1208.902757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.902757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.902757][ T10] ipv6_find_idev+0x102/0x170 [ 1208.902757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.902757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.902757][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.902757][ T10] netlink_unicast+0x449/0x710 [ 1208.902757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.902757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.902757][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.902757][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.902757][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.902757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.902757][ T10] [ 1208.904428][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1208.904692][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1208.904692][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.904692][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.904692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.904692][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.904692][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.904692][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.904692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.904692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.904692][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.904692][ T10] netlink_unicast+0x449/0x710 [ 1208.904692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.904692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.904692][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.904692][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.904692][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.904692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.904692][ T10] [ 1208.906649][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1208.906649][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.906649][ T10] ipv6_find_idev+0x102/0x170 [ 1208.906649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.906649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.906649][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.906649][ T10] netlink_unicast+0x449/0x710 [ 1208.906649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.906649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.906649][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.906649][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.906649][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.906649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.906649][ T10] [ 1208.908165][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1208.908165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.908165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.908165][ T10] ipv6_find_idev+0x102/0x170 [ 1208.908165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.908165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.908165][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.908165][ T10] netlink_unicast+0x449/0x710 [ 1208.908165][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.908165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.908165][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.908165][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.908165][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.908165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.908165][ T10] [ 1208.909811][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1208.910079][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1208.910079][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.910079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.910079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.910079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.910079][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.910079][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.910079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.910079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.910079][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.910079][ T10] netlink_unicast+0x449/0x710 [ 1208.910079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.910079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.910079][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.910079][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.910079][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.910079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.910079][ T10] [ 1208.912036][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1208.912036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.912036][ T10] ipv6_find_idev+0x102/0x170 [ 1208.912036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.912036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.912036][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.912036][ T10] netlink_unicast+0x449/0x710 [ 1208.912036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.912036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.912036][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.912036][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.912036][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.912036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.912036][ T10] [ 1208.913541][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1208.913541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.913541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.913541][ T10] ipv6_find_idev+0x102/0x170 [ 1208.913541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.913541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.913541][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.913541][ T10] netlink_unicast+0x449/0x710 [ 1208.913541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.913541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.913541][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.913541][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.913541][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.913541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.913541][ T10] [ 1208.915207][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1208.915475][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1208.915475][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.915475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.915475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.915475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.915475][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.915475][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.915475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.915475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.915475][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.915475][ T10] netlink_unicast+0x449/0x710 [ 1208.915475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.915475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.915475][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.915475][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.915475][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.915475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.915475][ T10] [ 1208.917431][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1208.917431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.917431][ T10] ipv6_find_idev+0x102/0x170 [ 1208.917431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.917431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.917431][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.917431][ T10] netlink_unicast+0x449/0x710 [ 1208.917431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.917431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.917431][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.917431][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.917431][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.917431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.917431][ T10] [ 1208.918935][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1208.918935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.918935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.918935][ T10] ipv6_find_idev+0x102/0x170 [ 1208.918935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.918935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.918935][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.918935][ T10] netlink_unicast+0x449/0x710 [ 1208.918935][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.918935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.918935][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.918935][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.918935][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.918935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.918935][ T10] [ 1208.921042][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1208.921304][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1208.921304][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.921304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.921304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.921304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.921304][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.921304][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.921304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.921304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.921304][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.921304][ T10] netlink_unicast+0x449/0x710 [ 1208.921304][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.921304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.921304][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.921304][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.921304][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.921304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.921304][ T10] [ 1208.923249][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1208.923249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.923249][ T10] ipv6_find_idev+0x102/0x170 [ 1208.923249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.923249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.923249][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.923249][ T10] netlink_unicast+0x449/0x710 [ 1208.923249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.923249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.923249][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.923249][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.923249][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.923249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.923249][ T10] [ 1208.924892][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1208.924892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.924892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.924892][ T10] ipv6_find_idev+0x102/0x170 [ 1208.924892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.924892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.924892][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.924892][ T10] netlink_unicast+0x449/0x710 [ 1208.924892][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.924892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.924892][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.924892][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.924892][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.924892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.924892][ T10] [ 1208.926585][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1208.926849][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1208.926849][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.926849][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.926849][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.926849][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.926849][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.926849][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.926849][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.926849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.926849][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.926849][ T10] netlink_unicast+0x449/0x710 [ 1208.926849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.926849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.926849][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.926849][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.926849][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.926849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.926849][ T10] [ 1208.928973][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1208.928973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.928973][ T10] ipv6_find_idev+0x102/0x170 [ 1208.928973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.928973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.928973][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.928973][ T10] netlink_unicast+0x449/0x710 [ 1208.928973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.928973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.928973][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.928973][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.928973][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.928973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.928973][ T10] [ 1208.930664][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1208.930664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.930664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.930664][ T10] ipv6_find_idev+0x102/0x170 [ 1208.930664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.930664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.930664][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.930664][ T10] netlink_unicast+0x449/0x710 [ 1208.930664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.930664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.930664][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.930664][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.930664][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.930664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.930664][ T10] [ 1208.932596][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1208.932861][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1208.932861][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.932861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.932861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.932861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.932861][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.932861][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.932861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.932861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.932861][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.932861][ T10] netlink_unicast+0x449/0x710 [ 1208.932861][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.932861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.932861][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.932861][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.932861][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.932861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.932861][ T10] [ 1208.935053][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1208.935053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.935053][ T10] ipv6_find_idev+0x102/0x170 [ 1208.935053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.935053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.935053][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.935053][ T10] netlink_unicast+0x449/0x710 [ 1208.935053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.935053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.935053][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.935053][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.935053][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.935053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.935053][ T10] [ 1208.936737][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1208.936737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.936737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.936737][ T10] ipv6_find_idev+0x102/0x170 [ 1208.936737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.936737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.936737][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.936737][ T10] netlink_unicast+0x449/0x710 [ 1208.936737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.936737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.936737][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.936737][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.936737][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.936737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.936737][ T10] [ 1208.938662][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1208.938978][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1208.938978][ T10] netdev_get_by_index+0x5e/0x80 [ 1208.938978][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1208.938978][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1208.938978][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1208.938978][ T10] ipv6_add_addr+0x411/0x2000 [ 1208.938978][ T10] inet6_addr_add+0x30e/0xa40 [ 1208.938978][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1208.938978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.938978][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.938978][ T10] netlink_unicast+0x449/0x710 [ 1208.938978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.938978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.938978][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.938978][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.938978][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.938978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.938978][ T10] [ 1208.941112][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1208.941112][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1208.941112][ T10] ipv6_find_idev+0x102/0x170 [ 1208.941112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.941112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.941112][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.941112][ T10] netlink_unicast+0x449/0x710 [ 1208.941112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.941112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.941112][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.941112][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.941112][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.941112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.941112][ T10] [ 1208.942796][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1208.942796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1208.942796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1208.942796][ T10] ipv6_find_idev+0x102/0x170 [ 1208.942796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1208.942796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1208.942796][ T10] netlink_rcv_skb+0x130/0x360 [ 1208.942796][ T10] netlink_unicast+0x449/0x710 [ 1208.942796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1208.942796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1208.942796][ T10] ___sys_sendmsg+0xee/0x170 [ 1208.942796][ T10] __sys_sendmsg+0xcd/0x170 [ 1208.942796][ T10] do_syscall_64+0xc6/0x1e0 [ 1208.942796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1208.942796][ T10] [ 1219.107002][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1219.107516][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1219.107516][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.107516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.107516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.107516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.107516][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.107516][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.107516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.107516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.107516][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.107516][ T10] netlink_unicast+0x449/0x710 [ 1219.107516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.107516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.107516][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.107516][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.107516][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.107516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.107516][ T10] [ 1219.109496][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1219.109496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.109496][ T10] ipv6_find_idev+0x102/0x170 [ 1219.109496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.109496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.109496][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.109496][ T10] netlink_unicast+0x449/0x710 [ 1219.109496][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.109496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.109496][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.109496][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.109496][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.109496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.109496][ T10] [ 1219.111010][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1219.111010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.111010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.111010][ T10] ipv6_find_idev+0x102/0x170 [ 1219.111010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.111010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.111010][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.111010][ T10] netlink_unicast+0x449/0x710 [ 1219.111010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.111010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.111010][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.111010][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.111010][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.111010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.111010][ T10] [ 1219.112670][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1219.112945][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1219.112945][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.112945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.112945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.112945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.112945][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.112945][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.112945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.112945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.112945][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.112945][ T10] netlink_unicast+0x449/0x710 [ 1219.112945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.112945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.112945][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.112945][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.112945][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.112945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.112945][ T10] [ 1219.114899][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1219.114899][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.114899][ T10] ipv6_find_idev+0x102/0x170 [ 1219.114899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.114899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.114899][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.114899][ T10] netlink_unicast+0x449/0x710 [ 1219.114899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.114899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.114899][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.114899][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.114899][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.114899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.114899][ T10] [ 1219.116411][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1219.116411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.116411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.116411][ T10] ipv6_find_idev+0x102/0x170 [ 1219.116411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.116411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.116411][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.116411][ T10] netlink_unicast+0x449/0x710 [ 1219.116411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.116411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.116411][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.116411][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.116411][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.116411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.116411][ T10] [ 1219.118071][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1219.118328][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1219.118328][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.118328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.118328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.118328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.118328][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.118328][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.118328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.118328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.118328][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.118328][ T10] netlink_unicast+0x449/0x710 [ 1219.118328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.118328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.118328][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.118328][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.118328][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.118328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.118328][ T10] [ 1219.120279][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1219.120279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.120279][ T10] ipv6_find_idev+0x102/0x170 [ 1219.120279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.120279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.120279][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.120279][ T10] netlink_unicast+0x449/0x710 [ 1219.120279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.120279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.120279][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.120279][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.120279][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.120279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.120279][ T10] [ 1219.121782][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1219.121782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.121782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.121782][ T10] ipv6_find_idev+0x102/0x170 [ 1219.121782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.121782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.121782][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.121782][ T10] netlink_unicast+0x449/0x710 [ 1219.121782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.121782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.121782][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.121782][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.121782][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.121782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.121782][ T10] [ 1219.123438][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1219.123694][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1219.123694][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.123694][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.123694][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.123694][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.123694][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.123694][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.123694][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.123694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.123694][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.123694][ T10] netlink_unicast+0x449/0x710 [ 1219.123694][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.123694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.123694][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.123694][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.123694][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.123694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.123694][ T10] [ 1219.125650][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1219.125650][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.125650][ T10] ipv6_find_idev+0x102/0x170 [ 1219.125650][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.125650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.125650][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.125650][ T10] netlink_unicast+0x449/0x710 [ 1219.125650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.125650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.125650][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.125650][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.125650][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.125650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.125650][ T10] [ 1219.127156][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1219.127156][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.127156][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.127156][ T10] ipv6_find_idev+0x102/0x170 [ 1219.127156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.127156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.127156][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.127156][ T10] netlink_unicast+0x449/0x710 [ 1219.127156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.127156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.127156][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.127156][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.127156][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.127156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.127156][ T10] [ 1219.129226][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1219.129485][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1219.129485][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.129485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.129485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.129485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.129485][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.129485][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.129485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.129485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.129485][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.129485][ T10] netlink_unicast+0x449/0x710 [ 1219.129485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.129485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.129485][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.129485][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.129485][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.129485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.129485][ T10] [ 1219.131432][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1219.131432][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.131432][ T10] ipv6_find_idev+0x102/0x170 [ 1219.131432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.131432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.131432][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.131432][ T10] netlink_unicast+0x449/0x710 [ 1219.131432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.131432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.131432][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.131432][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.131432][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.131432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.131432][ T10] [ 1219.132938][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1219.132938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.132938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.132938][ T10] ipv6_find_idev+0x102/0x170 [ 1219.132938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.132938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.132938][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.132938][ T10] netlink_unicast+0x449/0x710 [ 1219.132938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.132938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.132938][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.132938][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.132938][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.132938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.132938][ T10] [ 1219.134632][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1219.134945][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1219.134945][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.134945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.134945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.134945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.134945][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.134945][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.134945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.134945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.134945][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.134945][ T10] netlink_unicast+0x449/0x710 [ 1219.134945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.134945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.134945][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.134945][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.134945][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.134945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.134945][ T10] [ 1219.137053][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1219.137053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.137053][ T10] ipv6_find_idev+0x102/0x170 [ 1219.137053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.137053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.137053][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.137053][ T10] netlink_unicast+0x449/0x710 [ 1219.137053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.137053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.137053][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.137053][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.137053][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.137053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.137053][ T10] [ 1219.138819][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1219.138819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.138819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.138819][ T10] ipv6_find_idev+0x102/0x170 [ 1219.138819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.138819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.138819][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.138819][ T10] netlink_unicast+0x449/0x710 [ 1219.138819][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.138819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.138819][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.138819][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.138819][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.138819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.138819][ T10] [ 1219.140698][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1219.141011][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1219.141011][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.141011][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.141011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.141011][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.141011][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.141011][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.141011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.141011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.141011][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.141011][ T10] netlink_unicast+0x449/0x710 [ 1219.141011][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.141011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.141011][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.141011][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.141011][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.141011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.141011][ T10] [ 1219.143256][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1219.143256][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.143256][ T10] ipv6_find_idev+0x102/0x170 [ 1219.143256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.143256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.143256][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.143256][ T10] netlink_unicast+0x449/0x710 [ 1219.143256][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.143256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.143256][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.143256][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.143256][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.143256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.143256][ T10] [ 1219.144945][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1219.144945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.144945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.144945][ T10] ipv6_find_idev+0x102/0x170 [ 1219.144945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.144945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.144945][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.144945][ T10] netlink_unicast+0x449/0x710 [ 1219.144945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.144945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.144945][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.144945][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.144945][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.144945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.144945][ T10] [ 1219.146879][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1219.147138][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1219.147138][ T10] netdev_get_by_index+0x5e/0x80 [ 1219.147138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1219.147138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1219.147138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1219.147138][ T10] ipv6_add_addr+0x411/0x2000 [ 1219.147138][ T10] inet6_addr_add+0x30e/0xa40 [ 1219.147138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1219.147138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.147138][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.147138][ T10] netlink_unicast+0x449/0x710 [ 1219.147138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.147138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.147138][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.147138][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.147138][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.147138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.147138][ T10] [ 1219.149357][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1219.149357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1219.149357][ T10] ipv6_find_idev+0x102/0x170 [ 1219.149357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.149357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.149357][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.149357][ T10] netlink_unicast+0x449/0x710 [ 1219.149357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.149357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.149357][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.149357][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.149357][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.149357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.149357][ T10] [ 1219.151036][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1219.151036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1219.151036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1219.151036][ T10] ipv6_find_idev+0x102/0x170 [ 1219.151036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1219.151036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1219.151036][ T10] netlink_rcv_skb+0x130/0x360 [ 1219.151036][ T10] netlink_unicast+0x449/0x710 [ 1219.151036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1219.151036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1219.151036][ T10] ___sys_sendmsg+0xee/0x170 [ 1219.151036][ T10] __sys_sendmsg+0xcd/0x170 [ 1219.151036][ T10] do_syscall_64+0xc6/0x1e0 [ 1219.151036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1219.151036][ T10] [ 1229.179017][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1229.179480][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1229.179480][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.179480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.179480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.179480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.179480][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.179480][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.179480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.179480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.179480][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.179480][ T10] netlink_unicast+0x449/0x710 [ 1229.179480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.179480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.179480][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.179480][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.179480][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.179480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.179480][ T10] [ 1229.181458][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1229.181458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.181458][ T10] ipv6_find_idev+0x102/0x170 [ 1229.181458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.181458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.181458][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.181458][ T10] netlink_unicast+0x449/0x710 [ 1229.181458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.181458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.181458][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.181458][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.181458][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.181458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.181458][ T10] [ 1229.182975][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1229.182975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.182975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.182975][ T10] ipv6_find_idev+0x102/0x170 [ 1229.182975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.182975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.182975][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.182975][ T10] netlink_unicast+0x449/0x710 [ 1229.182975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.182975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.182975][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.182975][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.182975][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.182975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.182975][ T10] [ 1229.184633][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1229.184913][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1229.184913][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.184913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.184913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.184913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.184913][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.184913][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.184913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.184913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.184913][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.184913][ T10] netlink_unicast+0x449/0x710 [ 1229.184913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.184913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.184913][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.184913][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.184913][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.184913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.184913][ T10] [ 1229.186871][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1229.186871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.186871][ T10] ipv6_find_idev+0x102/0x170 [ 1229.186871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.186871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.186871][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.186871][ T10] netlink_unicast+0x449/0x710 [ 1229.186871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.186871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.186871][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.186871][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.186871][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.186871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.186871][ T10] [ 1229.188403][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1229.188403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.188403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.188403][ T10] ipv6_find_idev+0x102/0x170 [ 1229.188403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.188403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.188403][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.188403][ T10] netlink_unicast+0x449/0x710 [ 1229.188403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.188403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.188403][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.188403][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.188403][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.188403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.188403][ T10] [ 1229.190062][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1229.190329][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1229.190329][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.190329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.190329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.190329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.190329][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.190329][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.190329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.190329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.190329][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.190329][ T10] netlink_unicast+0x449/0x710 [ 1229.190329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.190329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.190329][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.190329][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.190329][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.190329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.190329][ T10] [ 1229.192329][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1229.192329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.192329][ T10] ipv6_find_idev+0x102/0x170 [ 1229.192329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.192329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.192329][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.192329][ T10] netlink_unicast+0x449/0x710 [ 1229.192329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.192329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.192329][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.192329][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.192329][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.192329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.192329][ T10] [ 1229.193843][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1229.193843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.193843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.193843][ T10] ipv6_find_idev+0x102/0x170 [ 1229.193843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.193843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.193843][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.193843][ T10] netlink_unicast+0x449/0x710 [ 1229.193843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.193843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.193843][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.193843][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.193843][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.193843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.193843][ T10] [ 1229.195596][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1229.195887][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1229.195887][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.195887][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.195887][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.195887][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.195887][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.195887][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.195887][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.195887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.195887][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.195887][ T10] netlink_unicast+0x449/0x710 [ 1229.195887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.195887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.195887][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.195887][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.195887][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.195887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.195887][ T10] [ 1229.197934][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1229.197934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.197934][ T10] ipv6_find_idev+0x102/0x170 [ 1229.197934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.197934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.197934][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.197934][ T10] netlink_unicast+0x449/0x710 [ 1229.197934][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.197934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.197934][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.197934][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.197934][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.197934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.197934][ T10] [ 1229.199530][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1229.199530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.199530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.199530][ T10] ipv6_find_idev+0x102/0x170 [ 1229.199530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.199530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.199530][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.199530][ T10] netlink_unicast+0x449/0x710 [ 1229.199530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.199530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.199530][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.199530][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.199530][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.199530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.199530][ T10] [ 1229.201309][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1229.201586][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1229.201586][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.201586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.201586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.201586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.201586][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.201586][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.201586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.201586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.201586][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.201586][ T10] netlink_unicast+0x449/0x710 [ 1229.201586][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.201586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.201586][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.201586][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.201586][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.201586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.201586][ T10] [ 1229.203683][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1229.203683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.203683][ T10] ipv6_find_idev+0x102/0x170 [ 1229.203683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.203683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.203683][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.203683][ T10] netlink_unicast+0x449/0x710 [ 1229.203683][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.203683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.203683][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.203683][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.203683][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.203683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.203683][ T10] [ 1229.205320][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1229.205320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.205320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.205320][ T10] ipv6_find_idev+0x102/0x170 [ 1229.205320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.205320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.205320][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.205320][ T10] netlink_unicast+0x449/0x710 [ 1229.205320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.205320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.205320][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.205320][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.205320][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.205320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.205320][ T10] [ 1229.207340][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1229.207618][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1229.207618][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.207618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.207618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.207618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.207618][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.207618][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.207618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.207618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.207618][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.207618][ T10] netlink_unicast+0x449/0x710 [ 1229.207618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.207618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.207618][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.207618][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.207618][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.207618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.207618][ T10] [ 1229.209893][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1229.209893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.209893][ T10] ipv6_find_idev+0x102/0x170 [ 1229.209893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.209893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.209893][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.209893][ T10] netlink_unicast+0x449/0x710 [ 1229.209893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.209893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.209893][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.209893][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.209893][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.209893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.209893][ T10] [ 1229.211603][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1229.211603][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.211603][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.211603][ T10] ipv6_find_idev+0x102/0x170 [ 1229.211603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.211603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.211603][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.211603][ T10] netlink_unicast+0x449/0x710 [ 1229.211603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.211603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.211603][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.211603][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.211603][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.211603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.211603][ T10] [ 1229.213542][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1229.213833][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1229.213833][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.213833][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.213833][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.213833][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.213833][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.213833][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.213833][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.213833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.213833][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.213833][ T10] netlink_unicast+0x449/0x710 [ 1229.213833][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.213833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.213833][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.213833][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.213833][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.213833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.213833][ T10] [ 1229.216049][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1229.216049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.216049][ T10] ipv6_find_idev+0x102/0x170 [ 1229.216049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.216049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.216049][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.216049][ T10] netlink_unicast+0x449/0x710 [ 1229.216049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.216049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.216049][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.216049][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.216049][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.216049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.216049][ T10] [ 1229.217852][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1229.217852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.217852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.217852][ T10] ipv6_find_idev+0x102/0x170 [ 1229.217852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.217852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.217852][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.217852][ T10] netlink_unicast+0x449/0x710 [ 1229.217852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.217852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.217852][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.217852][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.217852][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.217852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.217852][ T10] [ 1229.219723][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1229.220039][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1229.220039][ T10] netdev_get_by_index+0x5e/0x80 [ 1229.220039][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1229.220039][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1229.220039][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1229.220039][ T10] ipv6_add_addr+0x411/0x2000 [ 1229.220039][ T10] inet6_addr_add+0x30e/0xa40 [ 1229.220039][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1229.220039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.220039][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.220039][ T10] netlink_unicast+0x449/0x710 [ 1229.220039][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.220039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.220039][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.220039][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.220039][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.220039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.220039][ T10] [ 1229.222210][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1229.222210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1229.222210][ T10] ipv6_find_idev+0x102/0x170 [ 1229.222210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.222210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.222210][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.222210][ T10] netlink_unicast+0x449/0x710 [ 1229.222210][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.222210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.222210][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.222210][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.222210][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.222210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.222210][ T10] [ 1229.223897][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1229.223897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1229.223897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1229.223897][ T10] ipv6_find_idev+0x102/0x170 [ 1229.223897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1229.223897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1229.223897][ T10] netlink_rcv_skb+0x130/0x360 [ 1229.223897][ T10] netlink_unicast+0x449/0x710 [ 1229.223897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1229.223897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1229.223897][ T10] ___sys_sendmsg+0xee/0x170 [ 1229.223897][ T10] __sys_sendmsg+0xcd/0x170 [ 1229.223897][ T10] do_syscall_64+0xc6/0x1e0 [ 1229.223897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1229.223897][ T10] [ 1230.122939][ T42] INFO: task modprobe:1062 blocked for more than 983 seconds. [ 1230.123305][ T42] Not tainted 6.8.0-virtme #1 [ 1230.123422][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1230.123620][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 1230.123895][ T42] Call Trace: [ 1230.123993][ T42] [ 1230.124063][ T42] __schedule+0x705/0x1ac0 [ 1230.124195][ T42] ? __pfx___schedule+0x10/0x10 [ 1230.124318][ T42] ? schedule+0x1a5/0x210 [ 1230.124413][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.124541][ T42] ? mark_lock+0x38/0x3e0 [ 1230.124634][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1230.124766][ T42] ? schedule+0x1a5/0x210 [ 1230.124875][ T42] schedule+0xdf/0x210 [ 1230.124970][ T42] schedule_preempt_disabled+0x15/0x30 [ 1230.125093][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1230.125221][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1230.125371][ T42] ? kasan_save_stack+0x34/0x50 [ 1230.125501][ T42] ? kasan_save_stack+0x24/0x50 [ 1230.125628][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1230.125765][ T42] ? lock_acquire+0x1c1/0x220 [ 1230.125898][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1230.126028][ T42] down_write+0x1c9/0x200 [ 1230.126124][ T42] ? __pfx_down_write+0x10/0x10 [ 1230.126246][ T42] ? __pfx___lock_release+0x10/0x10 [ 1230.126376][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1230.126558][ T42] register_pernet_subsys+0x1a/0x50 [ 1230.126683][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1230.126868][ T42] do_one_initcall+0xc8/0x3f0 [ 1230.126992][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1230.127117][ T42] ? __create_object+0x5e/0xb0 [ 1230.127248][ T42] ? kasan_unpoison+0x27/0x60 [ 1230.127382][ T42] do_init_module+0x233/0x740 [ 1230.127513][ T42] load_module+0x16b5/0x2350 [ 1230.127646][ T42] ? __pfx_load_module+0x10/0x10 [ 1230.127770][ T42] ? kernel_read_file+0x3d2/0x520 [ 1230.127911][ T42] ? kernel_read_file+0x300/0x520 [ 1230.128041][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1230.128171][ T42] ? init_module_from_file+0xd2/0x130 [ 1230.128292][ T42] init_module_from_file+0xd2/0x130 [ 1230.128416][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1230.128567][ T42] ? __lock_release+0x103/0x460 [ 1230.128688][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.128822][ T42] ? idempotent_init_module+0x32a/0x620 [ 1230.128956][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1230.129082][ T42] idempotent_init_module+0x342/0x620 [ 1230.129206][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1230.129375][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1230.129501][ T42] do_syscall_64+0xc6/0x1e0 [ 1230.129630][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1230.129782][ T42] RIP: 0033:0x7f81e06dce5d [ 1230.129917][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1230.130187][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 1230.130367][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 1230.130549][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 1230.130729][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 1230.130918][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 1230.131113][ T42] [ 1230.131206][ T42] [ 1230.131206][ T42] Showing all locks held in the system: [ 1230.131378][ T42] 3 locks held by kworker/u16:0/10: [ 1230.131496][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.131745][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.131969][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1230.132191][ T42] 1 lock held by khungtaskd/42: [ 1230.132309][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1230.132525][ T42] 2 locks held by kworker/u20:1/62: [ 1230.132640][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1230.132897][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1230.133181][ T42] 1 lock held by modprobe/1062: [ 1230.133298][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1230.133544][ T42] [ 1230.133604][ T42] ============================================= [ 1230.133604][ T42] [ 1239.474972][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1239.475365][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1239.475365][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.475365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.475365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.475365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.475365][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.475365][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.475365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.475365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.475365][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.475365][ T10] netlink_unicast+0x449/0x710 [ 1239.475365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.475365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.475365][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.475365][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.475365][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.475365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.475365][ T10] [ 1239.477361][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1239.477361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.477361][ T10] ipv6_find_idev+0x102/0x170 [ 1239.477361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.477361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.477361][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.477361][ T10] netlink_unicast+0x449/0x710 [ 1239.477361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.477361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.477361][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.477361][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.477361][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.477361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.477361][ T10] [ 1239.478903][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1239.478903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.478903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.478903][ T10] ipv6_find_idev+0x102/0x170 [ 1239.478903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.478903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.478903][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.478903][ T10] netlink_unicast+0x449/0x710 [ 1239.478903][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.478903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.478903][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.478903][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.478903][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.478903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.478903][ T10] [ 1239.480555][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1239.480815][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1239.480815][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.480815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.480815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.480815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.480815][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.480815][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.480815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.480815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.480815][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.480815][ T10] netlink_unicast+0x449/0x710 [ 1239.480815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.480815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.480815][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.480815][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.480815][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.480815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.480815][ T10] [ 1239.482814][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1239.482814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.482814][ T10] ipv6_find_idev+0x102/0x170 [ 1239.482814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.482814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.482814][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.482814][ T10] netlink_unicast+0x449/0x710 [ 1239.482814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.482814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.482814][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.482814][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.482814][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.482814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.482814][ T10] [ 1239.484322][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1239.484322][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.484322][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.484322][ T10] ipv6_find_idev+0x102/0x170 [ 1239.484322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.484322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.484322][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.484322][ T10] netlink_unicast+0x449/0x710 [ 1239.484322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.484322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.484322][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.484322][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.484322][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.484322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.484322][ T10] [ 1239.485963][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1239.486218][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1239.486218][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.486218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.486218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.486218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.486218][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.486218][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.486218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.486218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.486218][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.486218][ T10] netlink_unicast+0x449/0x710 [ 1239.486218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.486218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.486218][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.486218][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.486218][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.486218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.486218][ T10] [ 1239.488187][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1239.488187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.488187][ T10] ipv6_find_idev+0x102/0x170 [ 1239.488187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.488187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.488187][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.488187][ T10] netlink_unicast+0x449/0x710 [ 1239.488187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.488187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.488187][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.488187][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.488187][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.488187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.488187][ T10] [ 1239.489692][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1239.489692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.489692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.489692][ T10] ipv6_find_idev+0x102/0x170 [ 1239.489692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.489692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.489692][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.489692][ T10] netlink_unicast+0x449/0x710 [ 1239.489692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.489692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.489692][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.489692][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.489692][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.489692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.489692][ T10] [ 1239.491335][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1239.491597][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1239.491597][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.491597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.491597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.491597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.491597][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.491597][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.491597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.491597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.491597][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.491597][ T10] netlink_unicast+0x449/0x710 [ 1239.491597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.491597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.491597][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.491597][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.491597][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.491597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.491597][ T10] [ 1239.493555][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1239.493555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.493555][ T10] ipv6_find_idev+0x102/0x170 [ 1239.493555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.493555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.493555][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.493555][ T10] netlink_unicast+0x449/0x710 [ 1239.493555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.493555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.493555][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.493555][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.493555][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.493555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.493555][ T10] [ 1239.495074][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1239.495074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.495074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.495074][ T10] ipv6_find_idev+0x102/0x170 [ 1239.495074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.495074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.495074][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.495074][ T10] netlink_unicast+0x449/0x710 [ 1239.495074][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.495074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.495074][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.495074][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.495074][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.495074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.495074][ T10] [ 1239.497120][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1239.497403][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1239.497403][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.497403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.497403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.497403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.497403][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.497403][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.497403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.497403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.497403][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.497403][ T10] netlink_unicast+0x449/0x710 [ 1239.497403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.497403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.497403][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.497403][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.497403][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.497403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.497403][ T10] [ 1239.499356][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1239.499356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.499356][ T10] ipv6_find_idev+0x102/0x170 [ 1239.499356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.499356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.499356][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.499356][ T10] netlink_unicast+0x449/0x710 [ 1239.499356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.499356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.499356][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.499356][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.499356][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.499356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.499356][ T10] [ 1239.500863][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1239.500863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.500863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.500863][ T10] ipv6_find_idev+0x102/0x170 [ 1239.500863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.500863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.500863][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.500863][ T10] netlink_unicast+0x449/0x710 [ 1239.500863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.500863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.500863][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.500863][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.500863][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.500863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.500863][ T10] [ 1239.502544][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1239.502802][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1239.502802][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.502802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.502802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.502802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.502802][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.502802][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.502802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.502802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.502802][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.502802][ T10] netlink_unicast+0x449/0x710 [ 1239.502802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.502802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.502802][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.502802][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.502802][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.502802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.502802][ T10] [ 1239.504953][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1239.504953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.504953][ T10] ipv6_find_idev+0x102/0x170 [ 1239.504953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.504953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.504953][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.504953][ T10] netlink_unicast+0x449/0x710 [ 1239.504953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.504953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.504953][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.504953][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.504953][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.504953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.504953][ T10] [ 1239.506700][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1239.506700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.506700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.506700][ T10] ipv6_find_idev+0x102/0x170 [ 1239.506700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.506700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.506700][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.506700][ T10] netlink_unicast+0x449/0x710 [ 1239.506700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.506700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.506700][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.506700][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.506700][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.506700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.506700][ T10] [ 1239.508465][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1239.508720][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1239.508720][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.508720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.508720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.508720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.508720][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.508720][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.508720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.508720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.508720][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.508720][ T10] netlink_unicast+0x449/0x710 [ 1239.508720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.508720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.508720][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.508720][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.508720][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.508720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.508720][ T10] [ 1239.510808][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1239.510808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.510808][ T10] ipv6_find_idev+0x102/0x170 [ 1239.510808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.510808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.510808][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.510808][ T10] netlink_unicast+0x449/0x710 [ 1239.510808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.510808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.510808][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.510808][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.510808][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.510808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.510808][ T10] [ 1239.512379][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1239.512379][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.512379][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.512379][ T10] ipv6_find_idev+0x102/0x170 [ 1239.512379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.512379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.512379][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.512379][ T10] netlink_unicast+0x449/0x710 [ 1239.512379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.512379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.512379][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.512379][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.512379][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.512379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.512379][ T10] [ 1239.514128][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1239.514384][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1239.514384][ T10] netdev_get_by_index+0x5e/0x80 [ 1239.514384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1239.514384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1239.514384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1239.514384][ T10] ipv6_add_addr+0x411/0x2000 [ 1239.514384][ T10] inet6_addr_add+0x30e/0xa40 [ 1239.514384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1239.514384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.514384][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.514384][ T10] netlink_unicast+0x449/0x710 [ 1239.514384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.514384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.514384][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.514384][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.514384][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.514384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.514384][ T10] [ 1239.516404][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1239.516404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1239.516404][ T10] ipv6_find_idev+0x102/0x170 [ 1239.516404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.516404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.516404][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.516404][ T10] netlink_unicast+0x449/0x710 [ 1239.516404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.516404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.516404][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.516404][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.516404][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.516404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.516404][ T10] [ 1239.517997][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1239.517997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1239.517997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1239.517997][ T10] ipv6_find_idev+0x102/0x170 [ 1239.517997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1239.517997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1239.517997][ T10] netlink_rcv_skb+0x130/0x360 [ 1239.517997][ T10] netlink_unicast+0x449/0x710 [ 1239.517997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1239.517997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1239.517997][ T10] ___sys_sendmsg+0xee/0x170 [ 1239.517997][ T10] __sys_sendmsg+0xcd/0x170 [ 1239.517997][ T10] do_syscall_64+0xc6/0x1e0 [ 1239.517997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1239.517997][ T10] [ 1249.770967][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1249.771434][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1249.771434][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.771434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.771434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.771434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.771434][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.771434][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.771434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.771434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.771434][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.771434][ T10] netlink_unicast+0x449/0x710 [ 1249.771434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.771434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.771434][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.771434][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.771434][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.771434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.771434][ T10] [ 1249.773440][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1249.773440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.773440][ T10] ipv6_find_idev+0x102/0x170 [ 1249.773440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.773440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.773440][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.773440][ T10] netlink_unicast+0x449/0x710 [ 1249.773440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.773440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.773440][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.773440][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.773440][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.773440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.773440][ T10] [ 1249.774982][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1249.774982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.774982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.774982][ T10] ipv6_find_idev+0x102/0x170 [ 1249.774982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.774982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.774982][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.774982][ T10] netlink_unicast+0x449/0x710 [ 1249.774982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.774982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.774982][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.774982][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.774982][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.774982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.774982][ T10] [ 1249.776678][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1249.776965][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1249.776965][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.776965][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.776965][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.776965][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.776965][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.776965][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.776965][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.776965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.776965][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.776965][ T10] netlink_unicast+0x449/0x710 [ 1249.776965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.776965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.776965][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.776965][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.776965][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.776965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.776965][ T10] [ 1249.778960][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1249.778960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.778960][ T10] ipv6_find_idev+0x102/0x170 [ 1249.778960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.778960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.778960][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.778960][ T10] netlink_unicast+0x449/0x710 [ 1249.778960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.778960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.778960][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.778960][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.778960][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.778960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.778960][ T10] [ 1249.780494][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1249.780494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.780494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.780494][ T10] ipv6_find_idev+0x102/0x170 [ 1249.780494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.780494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.780494][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.780494][ T10] netlink_unicast+0x449/0x710 [ 1249.780494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.780494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.780494][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.780494][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.780494][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.780494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.780494][ T10] [ 1249.782174][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1249.782437][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1249.782437][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.782437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.782437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.782437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.782437][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.782437][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.782437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.782437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.782437][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.782437][ T10] netlink_unicast+0x449/0x710 [ 1249.782437][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.782437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.782437][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.782437][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.782437][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.782437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.782437][ T10] [ 1249.784421][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1249.784421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.784421][ T10] ipv6_find_idev+0x102/0x170 [ 1249.784421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.784421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.784421][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.784421][ T10] netlink_unicast+0x449/0x710 [ 1249.784421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.784421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.784421][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.784421][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.784421][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.784421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.784421][ T10] [ 1249.785951][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1249.785951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.785951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.785951][ T10] ipv6_find_idev+0x102/0x170 [ 1249.785951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.785951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.785951][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.785951][ T10] netlink_unicast+0x449/0x710 [ 1249.785951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.785951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.785951][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.785951][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.785951][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.785951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.785951][ T10] [ 1249.787630][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1249.787908][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1249.787908][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.787908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.787908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.787908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.787908][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.787908][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.787908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.787908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.787908][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.787908][ T10] netlink_unicast+0x449/0x710 [ 1249.787908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.787908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.787908][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.787908][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.787908][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.787908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.787908][ T10] [ 1249.789884][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1249.789884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.789884][ T10] ipv6_find_idev+0x102/0x170 [ 1249.789884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.789884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.789884][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.789884][ T10] netlink_unicast+0x449/0x710 [ 1249.789884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.789884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.789884][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.789884][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.789884][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.789884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.789884][ T10] [ 1249.791407][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1249.791407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.791407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.791407][ T10] ipv6_find_idev+0x102/0x170 [ 1249.791407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.791407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.791407][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.791407][ T10] netlink_unicast+0x449/0x710 [ 1249.791407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.791407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.791407][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.791407][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.791407][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.791407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.791407][ T10] [ 1249.793077][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1249.793339][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1249.793339][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.793339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.793339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.793339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.793339][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.793339][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.793339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.793339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.793339][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.793339][ T10] netlink_unicast+0x449/0x710 [ 1249.793339][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.793339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.793339][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.793339][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.793339][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.793339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.793339][ T10] [ 1249.795316][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1249.795316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.795316][ T10] ipv6_find_idev+0x102/0x170 [ 1249.795316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.795316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.795316][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.795316][ T10] netlink_unicast+0x449/0x710 [ 1249.795316][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.795316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.795316][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.795316][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.795316][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.795316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.795316][ T10] [ 1249.796840][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1249.796840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.796840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.796840][ T10] ipv6_find_idev+0x102/0x170 [ 1249.796840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.796840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.796840][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.796840][ T10] netlink_unicast+0x449/0x710 [ 1249.796840][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.796840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.796840][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.796840][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.796840][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.796840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.796840][ T10] [ 1249.798741][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1249.799095][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1249.799095][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.799095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.799095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.799095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.799095][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.799095][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.799095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.799095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.799095][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.799095][ T10] netlink_unicast+0x449/0x710 [ 1249.799095][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.799095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.799095][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.799095][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.799095][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.799095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.799095][ T10] [ 1249.801312][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1249.801312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.801312][ T10] ipv6_find_idev+0x102/0x170 [ 1249.801312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.801312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.801312][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.801312][ T10] netlink_unicast+0x449/0x710 [ 1249.801312][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.801312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.801312][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.801312][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.801312][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.801312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.801312][ T10] [ 1249.803017][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1249.803017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.803017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.803017][ T10] ipv6_find_idev+0x102/0x170 [ 1249.803017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.803017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.803017][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.803017][ T10] netlink_unicast+0x449/0x710 [ 1249.803017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.803017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.803017][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.803017][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.803017][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.803017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.803017][ T10] [ 1249.804912][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1249.805228][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1249.805228][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.805228][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.805228][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.805228][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.805228][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.805228][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.805228][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.805228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.805228][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.805228][ T10] netlink_unicast+0x449/0x710 [ 1249.805228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.805228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.805228][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.805228][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.805228][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.805228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.805228][ T10] [ 1249.807393][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1249.807393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.807393][ T10] ipv6_find_idev+0x102/0x170 [ 1249.807393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.807393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.807393][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.807393][ T10] netlink_unicast+0x449/0x710 [ 1249.807393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.807393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.807393][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.807393][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.807393][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.807393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.807393][ T10] [ 1249.809097][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1249.809097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.809097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.809097][ T10] ipv6_find_idev+0x102/0x170 [ 1249.809097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.809097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.809097][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.809097][ T10] netlink_unicast+0x449/0x710 [ 1249.809097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.809097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.809097][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.809097][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.809097][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.809097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.809097][ T10] [ 1249.811114][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1249.811434][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1249.811434][ T10] netdev_get_by_index+0x5e/0x80 [ 1249.811434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1249.811434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1249.811434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1249.811434][ T10] ipv6_add_addr+0x411/0x2000 [ 1249.811434][ T10] inet6_addr_add+0x30e/0xa40 [ 1249.811434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1249.811434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.811434][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.811434][ T10] netlink_unicast+0x449/0x710 [ 1249.811434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.811434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.811434][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.811434][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.811434][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.811434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.811434][ T10] [ 1249.813599][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1249.813599][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1249.813599][ T10] ipv6_find_idev+0x102/0x170 [ 1249.813599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.813599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.813599][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.813599][ T10] netlink_unicast+0x449/0x710 [ 1249.813599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.813599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.813599][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.813599][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.813599][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.813599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.813599][ T10] [ 1249.815306][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1249.815306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1249.815306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1249.815306][ T10] ipv6_find_idev+0x102/0x170 [ 1249.815306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1249.815306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1249.815306][ T10] netlink_rcv_skb+0x130/0x360 [ 1249.815306][ T10] netlink_unicast+0x449/0x710 [ 1249.815306][ T10] netlink_sendmsg+0x723/0xbe0 [ 1249.815306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1249.815306][ T10] ___sys_sendmsg+0xee/0x170 [ 1249.815306][ T10] __sys_sendmsg+0xcd/0x170 [ 1249.815306][ T10] do_syscall_64+0xc6/0x1e0 [ 1249.815306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1249.815306][ T10] [ 1259.818935][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1259.819318][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1259.819318][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.819318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.819318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.819318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.819318][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.819318][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.819318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.819318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.819318][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.819318][ T10] netlink_unicast+0x449/0x710 [ 1259.819318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.819318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.819318][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.819318][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.819318][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.819318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.819318][ T10] [ 1259.821310][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1259.821310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.821310][ T10] ipv6_find_idev+0x102/0x170 [ 1259.821310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.821310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.821310][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.821310][ T10] netlink_unicast+0x449/0x710 [ 1259.821310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.821310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.821310][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.821310][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.821310][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.821310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.821310][ T10] [ 1259.822831][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1259.822831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.822831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.822831][ T10] ipv6_find_idev+0x102/0x170 [ 1259.822831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.822831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.822831][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.822831][ T10] netlink_unicast+0x449/0x710 [ 1259.822831][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.822831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.822831][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.822831][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.822831][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.822831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.822831][ T10] [ 1259.824487][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1259.824752][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1259.824752][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.824752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.824752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.824752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.824752][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.824752][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.824752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.824752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.824752][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.824752][ T10] netlink_unicast+0x449/0x710 [ 1259.824752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.824752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.824752][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.824752][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.824752][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.824752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.824752][ T10] [ 1259.826706][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1259.826706][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.826706][ T10] ipv6_find_idev+0x102/0x170 [ 1259.826706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.826706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.826706][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.826706][ T10] netlink_unicast+0x449/0x710 [ 1259.826706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.826706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.826706][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.826706][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.826706][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.826706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.826706][ T10] [ 1259.828225][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1259.828225][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.828225][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.828225][ T10] ipv6_find_idev+0x102/0x170 [ 1259.828225][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.828225][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.828225][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.828225][ T10] netlink_unicast+0x449/0x710 [ 1259.828225][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.828225][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.828225][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.828225][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.828225][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.828225][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.828225][ T10] [ 1259.829880][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1259.830137][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1259.830137][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.830137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.830137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.830137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.830137][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.830137][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.830137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.830137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.830137][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.830137][ T10] netlink_unicast+0x449/0x710 [ 1259.830137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.830137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.830137][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.830137][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.830137][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.830137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.830137][ T10] [ 1259.832103][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1259.832103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.832103][ T10] ipv6_find_idev+0x102/0x170 [ 1259.832103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.832103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.832103][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.832103][ T10] netlink_unicast+0x449/0x710 [ 1259.832103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.832103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.832103][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.832103][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.832103][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.832103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.832103][ T10] [ 1259.833613][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1259.833613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.833613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.833613][ T10] ipv6_find_idev+0x102/0x170 [ 1259.833613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.833613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.833613][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.833613][ T10] netlink_unicast+0x449/0x710 [ 1259.833613][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.833613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.833613][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.833613][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.833613][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.833613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.833613][ T10] [ 1259.835258][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1259.835514][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1259.835514][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.835514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.835514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.835514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.835514][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.835514][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.835514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.835514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.835514][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.835514][ T10] netlink_unicast+0x449/0x710 [ 1259.835514][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.835514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.835514][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.835514][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.835514][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.835514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.835514][ T10] [ 1259.837487][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1259.837487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.837487][ T10] ipv6_find_idev+0x102/0x170 [ 1259.837487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.837487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.837487][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.837487][ T10] netlink_unicast+0x449/0x710 [ 1259.837487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.837487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.837487][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.837487][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.837487][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.837487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.837487][ T10] [ 1259.838997][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1259.838997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.838997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.838997][ T10] ipv6_find_idev+0x102/0x170 [ 1259.838997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.838997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.838997][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.838997][ T10] netlink_unicast+0x449/0x710 [ 1259.838997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.838997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.838997][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.838997][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.838997][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.838997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.838997][ T10] [ 1259.841053][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1259.841314][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1259.841314][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.841314][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.841314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.841314][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.841314][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.841314][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.841314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.841314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.841314][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.841314][ T10] netlink_unicast+0x449/0x710 [ 1259.841314][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.841314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.841314][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.841314][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.841314][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.841314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.841314][ T10] [ 1259.843274][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1259.843274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.843274][ T10] ipv6_find_idev+0x102/0x170 [ 1259.843274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.843274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.843274][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.843274][ T10] netlink_unicast+0x449/0x710 [ 1259.843274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.843274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.843274][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.843274][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.843274][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.843274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.843274][ T10] [ 1259.844779][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1259.844779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.844779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.844779][ T10] ipv6_find_idev+0x102/0x170 [ 1259.844779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.844779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.844779][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.844779][ T10] netlink_unicast+0x449/0x710 [ 1259.844779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.844779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.844779][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.844779][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.844779][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.844779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.844779][ T10] [ 1259.846470][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1259.846735][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1259.846735][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.846735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.846735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.846735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.846735][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.846735][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.846735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.846735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.846735][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.846735][ T10] netlink_unicast+0x449/0x710 [ 1259.846735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.846735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.846735][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.846735][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.846735][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.846735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.846735][ T10] [ 1259.848820][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1259.848820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.848820][ T10] ipv6_find_idev+0x102/0x170 [ 1259.848820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.848820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.848820][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.848820][ T10] netlink_unicast+0x449/0x710 [ 1259.848820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.848820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.848820][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.848820][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.848820][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.848820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.848820][ T10] [ 1259.850582][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1259.850582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.850582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.850582][ T10] ipv6_find_idev+0x102/0x170 [ 1259.850582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.850582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.850582][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.850582][ T10] netlink_unicast+0x449/0x710 [ 1259.850582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.850582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.850582][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.850582][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.850582][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.850582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.850582][ T10] [ 1259.852454][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1259.852716][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1259.852716][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.852716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.852716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.852716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.852716][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.852716][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.852716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.852716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.852716][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.852716][ T10] netlink_unicast+0x449/0x710 [ 1259.852716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.852716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.852716][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.852716][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.852716][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.852716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.852716][ T10] [ 1259.854907][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1259.854907][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.854907][ T10] ipv6_find_idev+0x102/0x170 [ 1259.854907][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.854907][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.854907][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.854907][ T10] netlink_unicast+0x449/0x710 [ 1259.854907][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.854907][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.854907][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.854907][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.854907][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.854907][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.854907][ T10] [ 1259.856589][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1259.856589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.856589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.856589][ T10] ipv6_find_idev+0x102/0x170 [ 1259.856589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.856589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.856589][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.856589][ T10] netlink_unicast+0x449/0x710 [ 1259.856589][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.856589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.856589][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.856589][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.856589][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.856589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.856589][ T10] [ 1259.858465][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1259.858732][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1259.858732][ T10] netdev_get_by_index+0x5e/0x80 [ 1259.858732][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1259.858732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1259.858732][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1259.858732][ T10] ipv6_add_addr+0x411/0x2000 [ 1259.858732][ T10] inet6_addr_add+0x30e/0xa40 [ 1259.858732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1259.858732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.858732][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.858732][ T10] netlink_unicast+0x449/0x710 [ 1259.858732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.858732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.858732][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.858732][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.858732][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.858732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.858732][ T10] [ 1259.860921][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1259.860921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1259.860921][ T10] ipv6_find_idev+0x102/0x170 [ 1259.860921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.860921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.860921][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.860921][ T10] netlink_unicast+0x449/0x710 [ 1259.860921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.860921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.860921][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.860921][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.860921][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.860921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.860921][ T10] [ 1259.862645][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1259.862645][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1259.862645][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1259.862645][ T10] ipv6_find_idev+0x102/0x170 [ 1259.862645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1259.862645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1259.862645][ T10] netlink_rcv_skb+0x130/0x360 [ 1259.862645][ T10] netlink_unicast+0x449/0x710 [ 1259.862645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1259.862645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1259.862645][ T10] ___sys_sendmsg+0xee/0x170 [ 1259.862645][ T10] __sys_sendmsg+0xcd/0x170 [ 1259.862645][ T10] do_syscall_64+0xc6/0x1e0 [ 1259.862645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1259.862645][ T10] [ 1270.106956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1270.107443][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1270.107443][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.107443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.107443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.107443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.107443][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.107443][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.107443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.107443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.107443][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.107443][ T10] netlink_unicast+0x449/0x710 [ 1270.107443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.107443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.107443][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.107443][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.107443][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.107443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.107443][ T10] [ 1270.109425][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1270.109425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.109425][ T10] ipv6_find_idev+0x102/0x170 [ 1270.109425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.109425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.109425][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.109425][ T10] netlink_unicast+0x449/0x710 [ 1270.109425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.109425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.109425][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.109425][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.109425][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.109425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.109425][ T10] [ 1270.111338][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1270.111338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.111338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.111338][ T10] ipv6_find_idev+0x102/0x170 [ 1270.111338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.111338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.111338][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.111338][ T10] netlink_unicast+0x449/0x710 [ 1270.111338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.111338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.111338][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.111338][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.111338][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.111338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.111338][ T10] [ 1270.113007][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1270.113392][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1270.113392][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.113392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.113392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.113392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.113392][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.113392][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.113392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.113392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.113392][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.113392][ T10] netlink_unicast+0x449/0x710 [ 1270.113392][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.113392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.113392][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.113392][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.113392][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.113392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.113392][ T10] [ 1270.115369][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1270.115369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.115369][ T10] ipv6_find_idev+0x102/0x170 [ 1270.115369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.115369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.115369][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.115369][ T10] netlink_unicast+0x449/0x710 [ 1270.115369][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.115369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.115369][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.115369][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.115369][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.115369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.115369][ T10] [ 1270.116889][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1270.116889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.116889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.116889][ T10] ipv6_find_idev+0x102/0x170 [ 1270.116889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.116889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.116889][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.116889][ T10] netlink_unicast+0x449/0x710 [ 1270.116889][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.116889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.116889][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.116889][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.116889][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.116889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.116889][ T10] [ 1270.118562][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1270.118820][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1270.118820][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.118820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.118820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.118820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.118820][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.118820][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.118820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.118820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.118820][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.118820][ T10] netlink_unicast+0x449/0x710 [ 1270.118820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.118820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.118820][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.118820][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.118820][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.118820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.118820][ T10] [ 1270.120778][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1270.120778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.120778][ T10] ipv6_find_idev+0x102/0x170 [ 1270.120778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.120778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.120778][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.120778][ T10] netlink_unicast+0x449/0x710 [ 1270.120778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.120778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.120778][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.120778][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.120778][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.120778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.120778][ T10] [ 1270.122285][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1270.122285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.122285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.122285][ T10] ipv6_find_idev+0x102/0x170 [ 1270.122285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.122285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.122285][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.122285][ T10] netlink_unicast+0x449/0x710 [ 1270.122285][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.122285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.122285][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.122285][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.122285][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.122285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.122285][ T10] [ 1270.123927][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1270.124189][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1270.124189][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.124189][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.124189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.124189][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.124189][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.124189][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.124189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.124189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.124189][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.124189][ T10] netlink_unicast+0x449/0x710 [ 1270.124189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.124189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.124189][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.124189][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.124189][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.124189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.124189][ T10] [ 1270.126151][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1270.126151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.126151][ T10] ipv6_find_idev+0x102/0x170 [ 1270.126151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.126151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.126151][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.126151][ T10] netlink_unicast+0x449/0x710 [ 1270.126151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.126151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.126151][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.126151][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.126151][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.126151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.126151][ T10] [ 1270.127676][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1270.127676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.127676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.127676][ T10] ipv6_find_idev+0x102/0x170 [ 1270.127676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.127676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.127676][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.127676][ T10] netlink_unicast+0x449/0x710 [ 1270.127676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.127676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.127676][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.127676][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.127676][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.127676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.127676][ T10] [ 1270.129392][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1270.129651][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1270.129651][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.129651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.129651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.129651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.129651][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.129651][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.129651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.129651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.129651][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.129651][ T10] netlink_unicast+0x449/0x710 [ 1270.129651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.129651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.129651][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.129651][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.129651][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.129651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.129651][ T10] [ 1270.131600][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1270.131600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.131600][ T10] ipv6_find_idev+0x102/0x170 [ 1270.131600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.131600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.131600][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.131600][ T10] netlink_unicast+0x449/0x710 [ 1270.131600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.131600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.131600][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.131600][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.131600][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.131600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.131600][ T10] [ 1270.133104][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1270.133104][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.133104][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.133104][ T10] ipv6_find_idev+0x102/0x170 [ 1270.133104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.133104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.133104][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.133104][ T10] netlink_unicast+0x449/0x710 [ 1270.133104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.133104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.133104][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.133104][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.133104][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.133104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.133104][ T10] [ 1270.134968][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1270.135238][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1270.135238][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.135238][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.135238][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.135238][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.135238][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.135238][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.135238][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.135238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.135238][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.135238][ T10] netlink_unicast+0x449/0x710 [ 1270.135238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.135238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.135238][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.135238][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.135238][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.135238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.135238][ T10] [ 1270.137505][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1270.137505][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.137505][ T10] ipv6_find_idev+0x102/0x170 [ 1270.137505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.137505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.137505][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.137505][ T10] netlink_unicast+0x449/0x710 [ 1270.137505][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.137505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.137505][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.137505][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.137505][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.137505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.137505][ T10] [ 1270.139200][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1270.139200][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.139200][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.139200][ T10] ipv6_find_idev+0x102/0x170 [ 1270.139200][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.139200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.139200][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.139200][ T10] netlink_unicast+0x449/0x710 [ 1270.139200][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.139200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.139200][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.139200][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.139200][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.139200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.139200][ T10] [ 1270.141075][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1270.141335][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1270.141335][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.141335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.141335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.141335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.141335][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.141335][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.141335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.141335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.141335][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.141335][ T10] netlink_unicast+0x449/0x710 [ 1270.141335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.141335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.141335][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.141335][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.141335][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.141335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.141335][ T10] [ 1270.143535][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1270.143535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.143535][ T10] ipv6_find_idev+0x102/0x170 [ 1270.143535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.143535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.143535][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.143535][ T10] netlink_unicast+0x449/0x710 [ 1270.143535][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.143535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.143535][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.143535][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.143535][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.143535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.143535][ T10] [ 1270.145283][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1270.145283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.145283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.145283][ T10] ipv6_find_idev+0x102/0x170 [ 1270.145283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.145283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.145283][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.145283][ T10] netlink_unicast+0x449/0x710 [ 1270.145283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.145283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.145283][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.145283][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.145283][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.145283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.145283][ T10] [ 1270.147193][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1270.147470][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1270.147470][ T10] netdev_get_by_index+0x5e/0x80 [ 1270.147470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1270.147470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1270.147470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1270.147470][ T10] ipv6_add_addr+0x411/0x2000 [ 1270.147470][ T10] inet6_addr_add+0x30e/0xa40 [ 1270.147470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1270.147470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.147470][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.147470][ T10] netlink_unicast+0x449/0x710 [ 1270.147470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.147470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.147470][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.147470][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.147470][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.147470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.147470][ T10] [ 1270.149673][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1270.149673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1270.149673][ T10] ipv6_find_idev+0x102/0x170 [ 1270.149673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.149673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.149673][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.149673][ T10] netlink_unicast+0x449/0x710 [ 1270.149673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.149673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.149673][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.149673][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.149673][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.149673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.149673][ T10] [ 1270.151358][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1270.151358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1270.151358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1270.151358][ T10] ipv6_find_idev+0x102/0x170 [ 1270.151358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1270.151358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1270.151358][ T10] netlink_rcv_skb+0x130/0x360 [ 1270.151358][ T10] netlink_unicast+0x449/0x710 [ 1270.151358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1270.151358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1270.151358][ T10] ___sys_sendmsg+0xee/0x170 [ 1270.151358][ T10] __sys_sendmsg+0xcd/0x170 [ 1270.151358][ T10] do_syscall_64+0xc6/0x1e0 [ 1270.151358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1270.151358][ T10] [ 1280.394963][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1280.395409][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1280.395409][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.395409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.395409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.395409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.395409][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.395409][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.395409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.395409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.395409][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.395409][ T10] netlink_unicast+0x449/0x710 [ 1280.395409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.395409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.395409][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.395409][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.395409][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.395409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.395409][ T10] [ 1280.397399][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1280.397399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.397399][ T10] ipv6_find_idev+0x102/0x170 [ 1280.397399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.397399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.397399][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.397399][ T10] netlink_unicast+0x449/0x710 [ 1280.397399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.397399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.397399][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.397399][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.397399][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.397399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.397399][ T10] [ 1280.398904][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1280.398904][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.398904][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.398904][ T10] ipv6_find_idev+0x102/0x170 [ 1280.398904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.398904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.398904][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.398904][ T10] netlink_unicast+0x449/0x710 [ 1280.398904][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.398904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.398904][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.398904][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.398904][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.398904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.398904][ T10] [ 1280.400557][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1280.400820][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1280.400820][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.400820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.400820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.400820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.400820][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.400820][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.400820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.400820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.400820][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.400820][ T10] netlink_unicast+0x449/0x710 [ 1280.400820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.400820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.400820][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.400820][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.400820][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.400820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.400820][ T10] [ 1280.402777][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1280.402777][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.402777][ T10] ipv6_find_idev+0x102/0x170 [ 1280.402777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.402777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.402777][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.402777][ T10] netlink_unicast+0x449/0x710 [ 1280.402777][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.402777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.402777][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.402777][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.402777][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.402777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.402777][ T10] [ 1280.404286][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1280.404286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.404286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.404286][ T10] ipv6_find_idev+0x102/0x170 [ 1280.404286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.404286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.404286][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.404286][ T10] netlink_unicast+0x449/0x710 [ 1280.404286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.404286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.404286][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.404286][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.404286][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.404286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.404286][ T10] [ 1280.405953][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1280.406224][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1280.406224][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.406224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.406224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.406224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.406224][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.406224][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.406224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.406224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.406224][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.406224][ T10] netlink_unicast+0x449/0x710 [ 1280.406224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.406224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.406224][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.406224][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.406224][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.406224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.406224][ T10] [ 1280.408194][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1280.408194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.408194][ T10] ipv6_find_idev+0x102/0x170 [ 1280.408194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.408194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.408194][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.408194][ T10] netlink_unicast+0x449/0x710 [ 1280.408194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.408194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.408194][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.408194][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.408194][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.408194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.408194][ T10] [ 1280.409716][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1280.409716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.409716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.409716][ T10] ipv6_find_idev+0x102/0x170 [ 1280.409716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.409716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.409716][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.409716][ T10] netlink_unicast+0x449/0x710 [ 1280.409716][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.409716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.409716][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.409716][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.409716][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.409716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.409716][ T10] [ 1280.411369][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1280.411625][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1280.411625][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.411625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.411625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.411625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.411625][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.411625][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.411625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.411625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.411625][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.411625][ T10] netlink_unicast+0x449/0x710 [ 1280.411625][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.411625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.411625][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.411625][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.411625][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.411625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.411625][ T10] [ 1280.413585][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1280.413585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.413585][ T10] ipv6_find_idev+0x102/0x170 [ 1280.413585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.413585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.413585][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.413585][ T10] netlink_unicast+0x449/0x710 [ 1280.413585][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.413585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.413585][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.413585][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.413585][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.413585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.413585][ T10] [ 1280.415091][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1280.415091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.415091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.415091][ T10] ipv6_find_idev+0x102/0x170 [ 1280.415091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.415091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.415091][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.415091][ T10] netlink_unicast+0x449/0x710 [ 1280.415091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.415091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.415091][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.415091][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.415091][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.415091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.415091][ T10] [ 1280.417218][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1280.417488][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1280.417488][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.417488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.417488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.417488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.417488][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.417488][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.417488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.417488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.417488][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.417488][ T10] netlink_unicast+0x449/0x710 [ 1280.417488][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.417488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.417488][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.417488][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.417488][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.417488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.417488][ T10] [ 1280.419428][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1280.419428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.419428][ T10] ipv6_find_idev+0x102/0x170 [ 1280.419428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.419428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.419428][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.419428][ T10] netlink_unicast+0x449/0x710 [ 1280.419428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.419428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.419428][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.419428][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.419428][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.419428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.419428][ T10] [ 1280.420960][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1280.420960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.420960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.420960][ T10] ipv6_find_idev+0x102/0x170 [ 1280.420960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.420960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.420960][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.420960][ T10] netlink_unicast+0x449/0x710 [ 1280.420960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.420960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.420960][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.420960][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.420960][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.420960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.420960][ T10] [ 1280.422660][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1280.422997][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1280.422997][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.422997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.422997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.422997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.422997][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.422997][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.422997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.422997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.422997][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.422997][ T10] netlink_unicast+0x449/0x710 [ 1280.422997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.422997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.422997][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.422997][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.422997][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.422997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.422997][ T10] [ 1280.425009][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1280.425009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.425009][ T10] ipv6_find_idev+0x102/0x170 [ 1280.425009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.425009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.425009][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.425009][ T10] netlink_unicast+0x449/0x710 [ 1280.425009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.425009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.425009][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.425009][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.425009][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.425009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.425009][ T10] [ 1280.426859][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1280.426859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.426859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.426859][ T10] ipv6_find_idev+0x102/0x170 [ 1280.426859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.426859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.426859][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.426859][ T10] netlink_unicast+0x449/0x710 [ 1280.426859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.426859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.426859][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.426859][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.426859][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.426859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.426859][ T10] [ 1280.428684][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1280.428995][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1280.428995][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.428995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.428995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.428995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.428995][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.428995][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.428995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.428995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.428995][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.428995][ T10] netlink_unicast+0x449/0x710 [ 1280.428995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.428995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.428995][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.428995][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.428995][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.428995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.428995][ T10] [ 1280.431070][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1280.431070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.431070][ T10] ipv6_find_idev+0x102/0x170 [ 1280.431070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.431070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.431070][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.431070][ T10] netlink_unicast+0x449/0x710 [ 1280.431070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.431070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.431070][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.431070][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.431070][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.431070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.431070][ T10] [ 1280.432757][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1280.432757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.432757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.432757][ T10] ipv6_find_idev+0x102/0x170 [ 1280.432757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.432757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.432757][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.432757][ T10] netlink_unicast+0x449/0x710 [ 1280.432757][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.432757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.432757][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.432757][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.432757][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.432757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.432757][ T10] [ 1280.434691][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1280.435014][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1280.435014][ T10] netdev_get_by_index+0x5e/0x80 [ 1280.435014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1280.435014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1280.435014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1280.435014][ T10] ipv6_add_addr+0x411/0x2000 [ 1280.435014][ T10] inet6_addr_add+0x30e/0xa40 [ 1280.435014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1280.435014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.435014][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.435014][ T10] netlink_unicast+0x449/0x710 [ 1280.435014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.435014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.435014][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.435014][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.435014][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.435014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.435014][ T10] [ 1280.437243][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1280.437243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1280.437243][ T10] ipv6_find_idev+0x102/0x170 [ 1280.437243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.437243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.437243][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.437243][ T10] netlink_unicast+0x449/0x710 [ 1280.437243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.437243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.437243][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.437243][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.437243][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.437243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.437243][ T10] [ 1280.438928][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1280.438928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1280.438928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1280.438928][ T10] ipv6_find_idev+0x102/0x170 [ 1280.438928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1280.438928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1280.438928][ T10] netlink_rcv_skb+0x130/0x360 [ 1280.438928][ T10] netlink_unicast+0x449/0x710 [ 1280.438928][ T10] netlink_sendmsg+0x723/0xbe0 [ 1280.438928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1280.438928][ T10] ___sys_sendmsg+0xee/0x170 [ 1280.438928][ T10] __sys_sendmsg+0xcd/0x170 [ 1280.438928][ T10] do_syscall_64+0xc6/0x1e0 [ 1280.438928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1280.438928][ T10] [ 1290.683007][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1290.683468][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1290.683468][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.683468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.683468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.683468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.683468][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.683468][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.683468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.683468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.683468][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.683468][ T10] netlink_unicast+0x449/0x710 [ 1290.683468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.683468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.683468][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.683468][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.683468][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.683468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.683468][ T10] [ 1290.685453][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1290.685453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.685453][ T10] ipv6_find_idev+0x102/0x170 [ 1290.685453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.685453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.685453][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.685453][ T10] netlink_unicast+0x449/0x710 [ 1290.685453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.685453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.685453][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.685453][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.685453][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.685453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.685453][ T10] [ 1290.686961][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1290.686961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.686961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.686961][ T10] ipv6_find_idev+0x102/0x170 [ 1290.686961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.686961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.686961][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.686961][ T10] netlink_unicast+0x449/0x710 [ 1290.686961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.686961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.686961][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.686961][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.686961][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.686961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.686961][ T10] [ 1290.688629][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1290.688913][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1290.688913][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.688913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.688913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.688913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.688913][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.688913][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.688913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.688913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.688913][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.688913][ T10] netlink_unicast+0x449/0x710 [ 1290.688913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.688913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.688913][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.688913][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.688913][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.688913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.688913][ T10] [ 1290.690873][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1290.690873][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.690873][ T10] ipv6_find_idev+0x102/0x170 [ 1290.690873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.690873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.690873][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.690873][ T10] netlink_unicast+0x449/0x710 [ 1290.690873][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.690873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.690873][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.690873][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.690873][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.690873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.690873][ T10] [ 1290.692387][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1290.692387][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.692387][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.692387][ T10] ipv6_find_idev+0x102/0x170 [ 1290.692387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.692387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.692387][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.692387][ T10] netlink_unicast+0x449/0x710 [ 1290.692387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.692387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.692387][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.692387][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.692387][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.692387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.692387][ T10] [ 1290.694040][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1290.694299][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1290.694299][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.694299][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.694299][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.694299][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.694299][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.694299][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.694299][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.694299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.694299][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.694299][ T10] netlink_unicast+0x449/0x710 [ 1290.694299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.694299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.694299][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.694299][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.694299][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.694299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.694299][ T10] [ 1290.696254][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1290.696254][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.696254][ T10] ipv6_find_idev+0x102/0x170 [ 1290.696254][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.696254][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.696254][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.696254][ T10] netlink_unicast+0x449/0x710 [ 1290.696254][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.696254][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.696254][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.696254][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.696254][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.696254][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.696254][ T10] [ 1290.697770][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1290.697770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.697770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.697770][ T10] ipv6_find_idev+0x102/0x170 [ 1290.697770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.697770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.697770][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.697770][ T10] netlink_unicast+0x449/0x710 [ 1290.697770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.697770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.697770][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.697770][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.697770][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.697770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.697770][ T10] [ 1290.699415][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1290.699672][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1290.699672][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.699672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.699672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.699672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.699672][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.699672][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.699672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.699672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.699672][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.699672][ T10] netlink_unicast+0x449/0x710 [ 1290.699672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.699672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.699672][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.699672][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.699672][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.699672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.699672][ T10] [ 1290.702028][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1290.702028][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.702028][ T10] ipv6_find_idev+0x102/0x170 [ 1290.702028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.702028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.702028][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.702028][ T10] netlink_unicast+0x449/0x710 [ 1290.702028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.702028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.702028][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.702028][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.702028][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.702028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.702028][ T10] [ 1290.703540][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1290.703540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.703540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.703540][ T10] ipv6_find_idev+0x102/0x170 [ 1290.703540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.703540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.703540][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.703540][ T10] netlink_unicast+0x449/0x710 [ 1290.703540][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.703540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.703540][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.703540][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.703540][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.703540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.703540][ T10] [ 1290.705592][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1290.705857][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1290.705857][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.705857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.705857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.705857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.705857][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.705857][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.705857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.705857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.705857][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.705857][ T10] netlink_unicast+0x449/0x710 [ 1290.705857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.705857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.705857][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.705857][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.705857][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.705857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.705857][ T10] [ 1290.707821][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1290.707821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.707821][ T10] ipv6_find_idev+0x102/0x170 [ 1290.707821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.707821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.707821][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.707821][ T10] netlink_unicast+0x449/0x710 [ 1290.707821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.707821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.707821][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.707821][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.707821][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.707821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.707821][ T10] [ 1290.709330][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1290.709330][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.709330][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.709330][ T10] ipv6_find_idev+0x102/0x170 [ 1290.709330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.709330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.709330][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.709330][ T10] netlink_unicast+0x449/0x710 [ 1290.709330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.709330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.709330][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.709330][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.709330][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.709330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.709330][ T10] [ 1290.711022][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1290.711283][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1290.711283][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.711283][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.711283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.711283][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.711283][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.711283][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.711283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.711283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.711283][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.711283][ T10] netlink_unicast+0x449/0x710 [ 1290.711283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.711283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.711283][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.711283][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.711283][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.711283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.711283][ T10] [ 1290.713357][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1290.713357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.713357][ T10] ipv6_find_idev+0x102/0x170 [ 1290.713357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.713357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.713357][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.713357][ T10] netlink_unicast+0x449/0x710 [ 1290.713357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.713357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.713357][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.713357][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.713357][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.713357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.713357][ T10] [ 1290.715051][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1290.715051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.715051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.715051][ T10] ipv6_find_idev+0x102/0x170 [ 1290.715051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.715051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.715051][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.715051][ T10] netlink_unicast+0x449/0x710 [ 1290.715051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.715051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.715051][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.715051][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.715051][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.715051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.715051][ T10] [ 1290.717039][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1290.717322][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1290.717322][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.717322][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.717322][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.717322][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.717322][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.717322][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.717322][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.717322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.717322][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.717322][ T10] netlink_unicast+0x449/0x710 [ 1290.717322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.717322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.717322][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.717322][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.717322][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.717322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.717322][ T10] [ 1290.719455][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1290.719455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.719455][ T10] ipv6_find_idev+0x102/0x170 [ 1290.719455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.719455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.719455][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.719455][ T10] netlink_unicast+0x449/0x710 [ 1290.719455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.719455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.719455][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.719455][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.719455][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.719455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.719455][ T10] [ 1290.721143][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1290.721143][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.721143][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.721143][ T10] ipv6_find_idev+0x102/0x170 [ 1290.721143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.721143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.721143][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.721143][ T10] netlink_unicast+0x449/0x710 [ 1290.721143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.721143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.721143][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.721143][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.721143][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.721143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.721143][ T10] [ 1290.723071][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1290.723329][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1290.723329][ T10] netdev_get_by_index+0x5e/0x80 [ 1290.723329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1290.723329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1290.723329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1290.723329][ T10] ipv6_add_addr+0x411/0x2000 [ 1290.723329][ T10] inet6_addr_add+0x30e/0xa40 [ 1290.723329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1290.723329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.723329][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.723329][ T10] netlink_unicast+0x449/0x710 [ 1290.723329][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.723329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.723329][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.723329][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.723329][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.723329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.723329][ T10] [ 1290.725462][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1290.725462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1290.725462][ T10] ipv6_find_idev+0x102/0x170 [ 1290.725462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.725462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.725462][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.725462][ T10] netlink_unicast+0x449/0x710 [ 1290.725462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.725462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.725462][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.725462][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.725462][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.725462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.725462][ T10] [ 1290.727170][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1290.727170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1290.727170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1290.727170][ T10] ipv6_find_idev+0x102/0x170 [ 1290.727170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1290.727170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1290.727170][ T10] netlink_rcv_skb+0x130/0x360 [ 1290.727170][ T10] netlink_unicast+0x449/0x710 [ 1290.727170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1290.727170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1290.727170][ T10] ___sys_sendmsg+0xee/0x170 [ 1290.727170][ T10] __sys_sendmsg+0xcd/0x170 [ 1290.727170][ T10] do_syscall_64+0xc6/0x1e0 [ 1290.727170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1290.727170][ T10] [ 1300.970938][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1300.971394][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1300.971394][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.971394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1300.971394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.971394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1300.971394][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.971394][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.971394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.971394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.971394][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.971394][ T10] netlink_unicast+0x449/0x710 [ 1300.971394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.971394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.971394][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.971394][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.971394][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.971394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.971394][ T10] [ 1300.973429][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1300.973429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.973429][ T10] ipv6_find_idev+0x102/0x170 [ 1300.973429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.973429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.973429][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.973429][ T10] netlink_unicast+0x449/0x710 [ 1300.973429][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.973429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.973429][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.973429][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.973429][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.973429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.973429][ T10] [ 1300.974983][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1300.974983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.974983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.974983][ T10] ipv6_find_idev+0x102/0x170 [ 1300.974983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.974983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.974983][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.974983][ T10] netlink_unicast+0x449/0x710 [ 1300.974983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.974983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.974983][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.974983][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.974983][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.974983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.974983][ T10] [ 1300.976691][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1300.976996][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1300.976996][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.976996][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1300.976996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.976996][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1300.976996][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.976996][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.976996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.976996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.976996][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.976996][ T10] netlink_unicast+0x449/0x710 [ 1300.976996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.976996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.976996][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.976996][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.976996][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.976996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.976996][ T10] [ 1300.979048][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1300.979048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.979048][ T10] ipv6_find_idev+0x102/0x170 [ 1300.979048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.979048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.979048][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.979048][ T10] netlink_unicast+0x449/0x710 [ 1300.979048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.979048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.979048][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.979048][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.979048][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.979048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.979048][ T10] [ 1300.980611][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1300.980611][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.980611][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.980611][ T10] ipv6_find_idev+0x102/0x170 [ 1300.980611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.980611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.980611][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.980611][ T10] netlink_unicast+0x449/0x710 [ 1300.980611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.980611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.980611][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.980611][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.980611][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.980611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.980611][ T10] [ 1300.982320][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1300.982594][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1300.982594][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.982594][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1300.982594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.982594][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1300.982594][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.982594][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.982594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.982594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.982594][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.982594][ T10] netlink_unicast+0x449/0x710 [ 1300.982594][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.982594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.982594][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.982594][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.982594][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.982594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.982594][ T10] [ 1300.984633][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1300.984633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.984633][ T10] ipv6_find_idev+0x102/0x170 [ 1300.984633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.984633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.984633][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.984633][ T10] netlink_unicast+0x449/0x710 [ 1300.984633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.984633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.984633][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.984633][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.984633][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.984633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.984633][ T10] [ 1300.986184][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1300.986184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.986184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.986184][ T10] ipv6_find_idev+0x102/0x170 [ 1300.986184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.986184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.986184][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.986184][ T10] netlink_unicast+0x449/0x710 [ 1300.986184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.986184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.986184][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.986184][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.986184][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.986184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.986184][ T10] [ 1300.987885][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1300.988161][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1300.988161][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.988161][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1300.988161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.988161][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1300.988161][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.988161][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.988161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.988161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.988161][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.988161][ T10] netlink_unicast+0x449/0x710 [ 1300.988161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.988161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.988161][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.988161][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.988161][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.988161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.988161][ T10] [ 1300.990161][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1300.990161][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.990161][ T10] ipv6_find_idev+0x102/0x170 [ 1300.990161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.990161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.990161][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.990161][ T10] netlink_unicast+0x449/0x710 [ 1300.990161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.990161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.990161][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.990161][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.990161][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.990161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.990161][ T10] [ 1300.991710][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1300.991710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.991710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.991710][ T10] ipv6_find_idev+0x102/0x170 [ 1300.991710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.991710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.991710][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.991710][ T10] netlink_unicast+0x449/0x710 [ 1300.991710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.991710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.991710][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.991710][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.991710][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.991710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.991710][ T10] [ 1300.993810][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1300.994415][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1300.994415][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.994415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1300.994415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.994415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1300.994415][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.994415][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.994415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.994415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.994415][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.994415][ T10] netlink_unicast+0x449/0x710 [ 1300.994415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.994415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.994415][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.994415][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.994415][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.994415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.994415][ T10] [ 1300.996396][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1300.996396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1300.996396][ T10] ipv6_find_idev+0x102/0x170 [ 1300.996396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.996396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.996396][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.996396][ T10] netlink_unicast+0x449/0x710 [ 1300.996396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.996396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.996396][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.996396][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.996396][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.996396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.996396][ T10] [ 1300.997930][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1300.997930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1300.997930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1300.997930][ T10] ipv6_find_idev+0x102/0x170 [ 1300.997930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1300.997930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.997930][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.997930][ T10] netlink_unicast+0x449/0x710 [ 1300.997930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.997930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.997930][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.997930][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.997930][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.997930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.997930][ T10] [ 1300.999649][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1300.999982][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1300.999982][ T10] netdev_get_by_index+0x5e/0x80 [ 1300.999982][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1300.999982][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1300.999982][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1300.999982][ T10] ipv6_add_addr+0x411/0x2000 [ 1300.999982][ T10] inet6_addr_add+0x30e/0xa40 [ 1300.999982][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1300.999982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1300.999982][ T10] netlink_rcv_skb+0x130/0x360 [ 1300.999982][ T10] netlink_unicast+0x449/0x710 [ 1300.999982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1300.999982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1300.999982][ T10] ___sys_sendmsg+0xee/0x170 [ 1300.999982][ T10] __sys_sendmsg+0xcd/0x170 [ 1300.999982][ T10] do_syscall_64+0xc6/0x1e0 [ 1300.999982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1300.999982][ T10] [ 1301.001986][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1301.001986][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1301.001986][ T10] ipv6_find_idev+0x102/0x170 [ 1301.001986][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1301.001986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.001986][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.001986][ T10] netlink_unicast+0x449/0x710 [ 1301.001986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.001986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.001986][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.001986][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.001986][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.001986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.001986][ T10] [ 1301.003513][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1301.003513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1301.003513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1301.003513][ T10] ipv6_find_idev+0x102/0x170 [ 1301.003513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1301.003513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.003513][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.003513][ T10] netlink_unicast+0x449/0x710 [ 1301.003513][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.003513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.003513][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.003513][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.003513][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.003513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.003513][ T10] [ 1301.005463][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1301.005782][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1301.005782][ T10] netdev_get_by_index+0x5e/0x80 [ 1301.005782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1301.005782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1301.005782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1301.005782][ T10] ipv6_add_addr+0x411/0x2000 [ 1301.005782][ T10] inet6_addr_add+0x30e/0xa40 [ 1301.005782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1301.005782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.005782][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.005782][ T10] netlink_unicast+0x449/0x710 [ 1301.005782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.005782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.005782][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.005782][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.005782][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.005782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.005782][ T10] [ 1301.008050][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1301.008050][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1301.008050][ T10] ipv6_find_idev+0x102/0x170 [ 1301.008050][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1301.008050][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.008050][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.008050][ T10] netlink_unicast+0x449/0x710 [ 1301.008050][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.008050][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.008050][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.008050][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.008050][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.008050][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.008050][ T10] [ 1301.009762][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1301.009762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1301.009762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1301.009762][ T10] ipv6_find_idev+0x102/0x170 [ 1301.009762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1301.009762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.009762][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.009762][ T10] netlink_unicast+0x449/0x710 [ 1301.009762][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.009762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.009762][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.009762][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.009762][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.009762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.009762][ T10] [ 1301.011736][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1301.012063][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1301.012063][ T10] netdev_get_by_index+0x5e/0x80 [ 1301.012063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1301.012063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1301.012063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1301.012063][ T10] ipv6_add_addr+0x411/0x2000 [ 1301.012063][ T10] inet6_addr_add+0x30e/0xa40 [ 1301.012063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1301.012063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.012063][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.012063][ T10] netlink_unicast+0x449/0x710 [ 1301.012063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.012063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.012063][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.012063][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.012063][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.012063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.012063][ T10] [ 1301.014234][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1301.014234][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1301.014234][ T10] ipv6_find_idev+0x102/0x170 [ 1301.014234][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1301.014234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.014234][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.014234][ T10] netlink_unicast+0x449/0x710 [ 1301.014234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.014234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.014234][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.014234][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.014234][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.014234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.014234][ T10] [ 1301.015946][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1301.015946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1301.015946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1301.015946][ T10] ipv6_find_idev+0x102/0x170 [ 1301.015946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1301.015946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1301.015946][ T10] netlink_rcv_skb+0x130/0x360 [ 1301.015946][ T10] netlink_unicast+0x449/0x710 [ 1301.015946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1301.015946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1301.015946][ T10] ___sys_sendmsg+0xee/0x170 [ 1301.015946][ T10] __sys_sendmsg+0xcd/0x170 [ 1301.015946][ T10] do_syscall_64+0xc6/0x1e0 [ 1301.015946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1301.015946][ T10] [ 1311.258911][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1311.259305][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1311.259305][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.259305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.259305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.259305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.259305][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.259305][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.259305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.259305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.259305][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.259305][ T10] netlink_unicast+0x449/0x710 [ 1311.259305][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.259305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.259305][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.259305][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.259305][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.259305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.259305][ T10] [ 1311.261401][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1311.261401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.261401][ T10] ipv6_find_idev+0x102/0x170 [ 1311.261401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.261401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.261401][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.261401][ T10] netlink_unicast+0x449/0x710 [ 1311.261401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.261401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.261401][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.261401][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.261401][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.261401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.261401][ T10] [ 1311.262933][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1311.262933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.262933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.262933][ T10] ipv6_find_idev+0x102/0x170 [ 1311.262933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.262933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.262933][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.262933][ T10] netlink_unicast+0x449/0x710 [ 1311.262933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.262933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.262933][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.262933][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.262933][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.262933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.262933][ T10] [ 1311.264619][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1311.264898][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1311.264898][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.264898][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.264898][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.264898][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.264898][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.264898][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.264898][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.264898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.264898][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.264898][ T10] netlink_unicast+0x449/0x710 [ 1311.264898][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.264898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.264898][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.264898][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.264898][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.264898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.264898][ T10] [ 1311.266881][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1311.266881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.266881][ T10] ipv6_find_idev+0x102/0x170 [ 1311.266881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.266881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.266881][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.266881][ T10] netlink_unicast+0x449/0x710 [ 1311.266881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.266881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.266881][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.266881][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.266881][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.266881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.266881][ T10] [ 1311.268421][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1311.268421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.268421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.268421][ T10] ipv6_find_idev+0x102/0x170 [ 1311.268421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.268421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.268421][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.268421][ T10] netlink_unicast+0x449/0x710 [ 1311.268421][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.268421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.268421][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.268421][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.268421][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.268421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.268421][ T10] [ 1311.270097][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1311.270358][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1311.270358][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.270358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.270358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.270358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.270358][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.270358][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.270358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.270358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.270358][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.270358][ T10] netlink_unicast+0x449/0x710 [ 1311.270358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.270358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.270358][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.270358][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.270358][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.270358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.270358][ T10] [ 1311.272351][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1311.272351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.272351][ T10] ipv6_find_idev+0x102/0x170 [ 1311.272351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.272351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.272351][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.272351][ T10] netlink_unicast+0x449/0x710 [ 1311.272351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.272351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.272351][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.272351][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.272351][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.272351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.272351][ T10] [ 1311.273884][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1311.273884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.273884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.273884][ T10] ipv6_find_idev+0x102/0x170 [ 1311.273884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.273884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.273884][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.273884][ T10] netlink_unicast+0x449/0x710 [ 1311.273884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.273884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.273884][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.273884][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.273884][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.273884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.273884][ T10] [ 1311.275573][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1311.275842][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1311.275842][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.275842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.275842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.275842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.275842][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.275842][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.275842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.275842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.275842][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.275842][ T10] netlink_unicast+0x449/0x710 [ 1311.275842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.275842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.275842][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.275842][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.275842][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.275842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.275842][ T10] [ 1311.277838][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1311.277838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.277838][ T10] ipv6_find_idev+0x102/0x170 [ 1311.277838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.277838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.277838][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.277838][ T10] netlink_unicast+0x449/0x710 [ 1311.277838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.277838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.277838][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.277838][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.277838][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.277838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.277838][ T10] [ 1311.279365][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1311.279365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.279365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.279365][ T10] ipv6_find_idev+0x102/0x170 [ 1311.279365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.279365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.279365][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.279365][ T10] netlink_unicast+0x449/0x710 [ 1311.279365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.279365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.279365][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.279365][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.279365][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.279365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.279365][ T10] [ 1311.281433][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1311.282036][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1311.282036][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.282036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.282036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.282036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.282036][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.282036][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.282036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.282036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.282036][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.282036][ T10] netlink_unicast+0x449/0x710 [ 1311.282036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.282036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.282036][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.282036][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.282036][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.282036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.282036][ T10] [ 1311.284020][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1311.284020][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.284020][ T10] ipv6_find_idev+0x102/0x170 [ 1311.284020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.284020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.284020][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.284020][ T10] netlink_unicast+0x449/0x710 [ 1311.284020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.284020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.284020][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.284020][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.284020][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.284020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.284020][ T10] [ 1311.285545][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1311.285545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.285545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.285545][ T10] ipv6_find_idev+0x102/0x170 [ 1311.285545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.285545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.285545][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.285545][ T10] netlink_unicast+0x449/0x710 [ 1311.285545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.285545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.285545][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.285545][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.285545][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.285545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.285545][ T10] [ 1311.287219][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1311.287485][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1311.287485][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.287485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.287485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.287485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.287485][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.287485][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.287485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.287485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.287485][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.287485][ T10] netlink_unicast+0x449/0x710 [ 1311.287485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.287485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.287485][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.287485][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.287485][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.287485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.287485][ T10] [ 1311.289463][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1311.289463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.289463][ T10] ipv6_find_idev+0x102/0x170 [ 1311.289463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.289463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.289463][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.289463][ T10] netlink_unicast+0x449/0x710 [ 1311.289463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.289463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.289463][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.289463][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.289463][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.289463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.289463][ T10] [ 1311.291053][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1311.291053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.291053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.291053][ T10] ipv6_find_idev+0x102/0x170 [ 1311.291053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.291053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.291053][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.291053][ T10] netlink_unicast+0x449/0x710 [ 1311.291053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.291053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.291053][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.291053][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.291053][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.291053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.291053][ T10] [ 1311.292893][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1311.293202][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1311.293202][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.293202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.293202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.293202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.293202][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.293202][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.293202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.293202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.293202][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.293202][ T10] netlink_unicast+0x449/0x710 [ 1311.293202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.293202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.293202][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.293202][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.293202][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.293202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.293202][ T10] [ 1311.295243][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1311.295243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.295243][ T10] ipv6_find_idev+0x102/0x170 [ 1311.295243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.295243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.295243][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.295243][ T10] netlink_unicast+0x449/0x710 [ 1311.295243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.295243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.295243][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.295243][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.295243][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.295243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.295243][ T10] [ 1311.297806][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1311.297806][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.297806][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.297806][ T10] ipv6_find_idev+0x102/0x170 [ 1311.297806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.297806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.297806][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.297806][ T10] netlink_unicast+0x449/0x710 [ 1311.297806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.297806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.297806][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.297806][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.297806][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.297806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.297806][ T10] [ 1311.299569][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1311.299900][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1311.299900][ T10] netdev_get_by_index+0x5e/0x80 [ 1311.299900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1311.299900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1311.299900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1311.299900][ T10] ipv6_add_addr+0x411/0x2000 [ 1311.299900][ T10] inet6_addr_add+0x30e/0xa40 [ 1311.299900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1311.299900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.299900][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.299900][ T10] netlink_unicast+0x449/0x710 [ 1311.299900][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.299900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.299900][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.299900][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.299900][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.299900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.299900][ T10] [ 1311.301997][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1311.301997][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1311.301997][ T10] ipv6_find_idev+0x102/0x170 [ 1311.301997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.301997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.301997][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.301997][ T10] netlink_unicast+0x449/0x710 [ 1311.301997][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.301997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.301997][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.301997][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.301997][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.301997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.301997][ T10] [ 1311.303583][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1311.303583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1311.303583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1311.303583][ T10] ipv6_find_idev+0x102/0x170 [ 1311.303583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1311.303583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1311.303583][ T10] netlink_rcv_skb+0x130/0x360 [ 1311.303583][ T10] netlink_unicast+0x449/0x710 [ 1311.303583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1311.303583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1311.303583][ T10] ___sys_sendmsg+0xee/0x170 [ 1311.303583][ T10] __sys_sendmsg+0xcd/0x170 [ 1311.303583][ T10] do_syscall_64+0xc6/0x1e0 [ 1311.303583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1311.303583][ T10] [ 1321.555002][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1321.555452][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1321.555452][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.555452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.555452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.555452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.555452][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.555452][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.555452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.555452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.555452][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.555452][ T10] netlink_unicast+0x449/0x710 [ 1321.555452][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.555452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.555452][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.555452][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.555452][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.555452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.555452][ T10] [ 1321.557462][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1321.557462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.557462][ T10] ipv6_find_idev+0x102/0x170 [ 1321.557462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.557462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.557462][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.557462][ T10] netlink_unicast+0x449/0x710 [ 1321.557462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.557462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.557462][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.557462][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.557462][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.557462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.557462][ T10] [ 1321.558991][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1321.558991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.558991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.558991][ T10] ipv6_find_idev+0x102/0x170 [ 1321.558991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.558991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.558991][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.558991][ T10] netlink_unicast+0x449/0x710 [ 1321.558991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.558991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.558991][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.558991][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.558991][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.558991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.558991][ T10] [ 1321.560674][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1321.560955][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1321.560955][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.560955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.560955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.560955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.560955][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.560955][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.560955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.560955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.560955][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.560955][ T10] netlink_unicast+0x449/0x710 [ 1321.560955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.560955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.560955][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.560955][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.560955][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.560955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.560955][ T10] [ 1321.562919][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1321.562919][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.562919][ T10] ipv6_find_idev+0x102/0x170 [ 1321.562919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.562919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.562919][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.562919][ T10] netlink_unicast+0x449/0x710 [ 1321.562919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.562919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.562919][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.562919][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.562919][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.562919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.562919][ T10] [ 1321.564446][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1321.564446][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.564446][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.564446][ T10] ipv6_find_idev+0x102/0x170 [ 1321.564446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.564446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.564446][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.564446][ T10] netlink_unicast+0x449/0x710 [ 1321.564446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.564446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.564446][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.564446][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.564446][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.564446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.564446][ T10] [ 1321.566120][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1321.566386][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1321.566386][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.566386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.566386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.566386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.566386][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.566386][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.566386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.566386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.566386][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.566386][ T10] netlink_unicast+0x449/0x710 [ 1321.566386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.566386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.566386][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.566386][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.566386][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.566386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.566386][ T10] [ 1321.568363][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1321.568363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.568363][ T10] ipv6_find_idev+0x102/0x170 [ 1321.568363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.568363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.568363][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.568363][ T10] netlink_unicast+0x449/0x710 [ 1321.568363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.568363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.568363][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.568363][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.568363][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.568363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.568363][ T10] [ 1321.569887][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1321.569887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.569887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.569887][ T10] ipv6_find_idev+0x102/0x170 [ 1321.569887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.569887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.569887][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.569887][ T10] netlink_unicast+0x449/0x710 [ 1321.569887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.569887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.569887][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.569887][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.569887][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.569887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.569887][ T10] [ 1321.571547][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1321.571817][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1321.571817][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.571817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.571817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.571817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.571817][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.571817][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.571817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.571817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.571817][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.571817][ T10] netlink_unicast+0x449/0x710 [ 1321.571817][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.571817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.571817][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.571817][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.571817][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.571817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.571817][ T10] [ 1321.573775][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1321.573775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.573775][ T10] ipv6_find_idev+0x102/0x170 [ 1321.573775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.573775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.573775][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.573775][ T10] netlink_unicast+0x449/0x710 [ 1321.573775][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.573775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.573775][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.573775][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.573775][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.573775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.573775][ T10] [ 1321.575283][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1321.575283][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.575283][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.575283][ T10] ipv6_find_idev+0x102/0x170 [ 1321.575283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.575283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.575283][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.575283][ T10] netlink_unicast+0x449/0x710 [ 1321.575283][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.575283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.575283][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.575283][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.575283][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.575283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.575283][ T10] [ 1321.577354][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1321.577614][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1321.577614][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.577614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.577614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.577614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.577614][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.577614][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.577614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.577614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.577614][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.577614][ T10] netlink_unicast+0x449/0x710 [ 1321.577614][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.577614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.577614][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.577614][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.577614][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.577614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.577614][ T10] [ 1321.579566][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1321.579566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.579566][ T10] ipv6_find_idev+0x102/0x170 [ 1321.579566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.579566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.579566][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.579566][ T10] netlink_unicast+0x449/0x710 [ 1321.579566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.579566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.579566][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.579566][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.579566][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.579566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.579566][ T10] [ 1321.581073][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1321.581073][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.581073][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.581073][ T10] ipv6_find_idev+0x102/0x170 [ 1321.581073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.581073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.581073][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.581073][ T10] netlink_unicast+0x449/0x710 [ 1321.581073][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.581073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.581073][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.581073][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.581073][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.581073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.581073][ T10] [ 1321.582782][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1321.583101][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1321.583101][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.583101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.583101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.583101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.583101][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.583101][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.583101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.583101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.583101][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.583101][ T10] netlink_unicast+0x449/0x710 [ 1321.583101][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.583101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.583101][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.583101][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.583101][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.583101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.583101][ T10] [ 1321.585243][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1321.585243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.585243][ T10] ipv6_find_idev+0x102/0x170 [ 1321.585243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.585243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.585243][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.585243][ T10] netlink_unicast+0x449/0x710 [ 1321.585243][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.585243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.585243][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.585243][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.585243][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.585243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.585243][ T10] [ 1321.587010][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1321.587010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.587010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.587010][ T10] ipv6_find_idev+0x102/0x170 [ 1321.587010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.587010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.587010][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.587010][ T10] netlink_unicast+0x449/0x710 [ 1321.587010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.587010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.587010][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.587010][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.587010][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.587010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.587010][ T10] [ 1321.588939][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1321.589201][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1321.589201][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.589201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.589201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.589201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.589201][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.589201][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.589201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.589201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.589201][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.589201][ T10] netlink_unicast+0x449/0x710 [ 1321.589201][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.589201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.589201][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.589201][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.589201][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.589201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.589201][ T10] [ 1321.591332][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1321.591332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.591332][ T10] ipv6_find_idev+0x102/0x170 [ 1321.591332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.591332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.591332][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.591332][ T10] netlink_unicast+0x449/0x710 [ 1321.591332][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.591332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.591332][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.591332][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.591332][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.591332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.591332][ T10] [ 1321.593024][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1321.593024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.593024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.593024][ T10] ipv6_find_idev+0x102/0x170 [ 1321.593024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.593024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.593024][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.593024][ T10] netlink_unicast+0x449/0x710 [ 1321.593024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.593024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.593024][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.593024][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.593024][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.593024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.593024][ T10] [ 1321.595001][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1321.595258][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1321.595258][ T10] netdev_get_by_index+0x5e/0x80 [ 1321.595258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1321.595258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1321.595258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1321.595258][ T10] ipv6_add_addr+0x411/0x2000 [ 1321.595258][ T10] inet6_addr_add+0x30e/0xa40 [ 1321.595258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1321.595258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.595258][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.595258][ T10] netlink_unicast+0x449/0x710 [ 1321.595258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.595258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.595258][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.595258][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.595258][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.595258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.595258][ T10] [ 1321.597409][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1321.597409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1321.597409][ T10] ipv6_find_idev+0x102/0x170 [ 1321.597409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.597409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.597409][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.597409][ T10] netlink_unicast+0x449/0x710 [ 1321.597409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.597409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.597409][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.597409][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.597409][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.597409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.597409][ T10] [ 1321.599102][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1321.599102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1321.599102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1321.599102][ T10] ipv6_find_idev+0x102/0x170 [ 1321.599102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1321.599102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1321.599102][ T10] netlink_rcv_skb+0x130/0x360 [ 1321.599102][ T10] netlink_unicast+0x449/0x710 [ 1321.599102][ T10] netlink_sendmsg+0x723/0xbe0 [ 1321.599102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1321.599102][ T10] ___sys_sendmsg+0xee/0x170 [ 1321.599102][ T10] __sys_sendmsg+0xcd/0x170 [ 1321.599102][ T10] do_syscall_64+0xc6/0x1e0 [ 1321.599102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1321.599102][ T10] [ 1331.843009][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1331.843406][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1331.843406][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.843406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.843406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.843406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.843406][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.843406][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.843406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.843406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.843406][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.843406][ T10] netlink_unicast+0x449/0x710 [ 1331.843406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.843406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.843406][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.843406][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.843406][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.843406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.843406][ T10] [ 1331.845385][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1331.845385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.845385][ T10] ipv6_find_idev+0x102/0x170 [ 1331.845385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.845385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.845385][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.845385][ T10] netlink_unicast+0x449/0x710 [ 1331.845385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.845385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.845385][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.845385][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.845385][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.845385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.845385][ T10] [ 1331.846924][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1331.846924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.846924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.846924][ T10] ipv6_find_idev+0x102/0x170 [ 1331.846924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.846924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.846924][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.846924][ T10] netlink_unicast+0x449/0x710 [ 1331.846924][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.846924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.846924][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.846924][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.846924][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.846924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.846924][ T10] [ 1331.848589][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1331.848856][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1331.848856][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.848856][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.848856][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.848856][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.848856][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.848856][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.848856][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.848856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.848856][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.848856][ T10] netlink_unicast+0x449/0x710 [ 1331.848856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.848856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.848856][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.848856][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.848856][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.848856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.848856][ T10] [ 1331.850827][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1331.850827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.850827][ T10] ipv6_find_idev+0x102/0x170 [ 1331.850827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.850827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.850827][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.850827][ T10] netlink_unicast+0x449/0x710 [ 1331.850827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.850827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.850827][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.850827][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.850827][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.850827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.850827][ T10] [ 1331.852335][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1331.852335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.852335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.852335][ T10] ipv6_find_idev+0x102/0x170 [ 1331.852335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.852335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.852335][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.852335][ T10] netlink_unicast+0x449/0x710 [ 1331.852335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.852335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.852335][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.852335][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.852335][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.852335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.852335][ T10] [ 1331.853997][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1331.854259][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1331.854259][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.854259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.854259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.854259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.854259][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.854259][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.854259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.854259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.854259][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.854259][ T10] netlink_unicast+0x449/0x710 [ 1331.854259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.854259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.854259][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.854259][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.854259][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.854259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.854259][ T10] [ 1331.856233][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1331.856233][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.856233][ T10] ipv6_find_idev+0x102/0x170 [ 1331.856233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.856233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.856233][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.856233][ T10] netlink_unicast+0x449/0x710 [ 1331.856233][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.856233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.856233][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.856233][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.856233][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.856233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.856233][ T10] [ 1331.857758][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1331.857758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.857758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.857758][ T10] ipv6_find_idev+0x102/0x170 [ 1331.857758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.857758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.857758][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.857758][ T10] netlink_unicast+0x449/0x710 [ 1331.857758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.857758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.857758][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.857758][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.857758][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.857758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.857758][ T10] [ 1331.859410][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1331.859678][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1331.859678][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.859678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.859678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.859678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.859678][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.859678][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.859678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.859678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.859678][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.859678][ T10] netlink_unicast+0x449/0x710 [ 1331.859678][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.859678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.859678][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.859678][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.859678][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.859678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.859678][ T10] [ 1331.861653][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1331.861653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.861653][ T10] ipv6_find_idev+0x102/0x170 [ 1331.861653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.861653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.861653][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.861653][ T10] netlink_unicast+0x449/0x710 [ 1331.861653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.861653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.861653][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.861653][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.861653][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.861653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.861653][ T10] [ 1331.863188][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1331.863188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.863188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.863188][ T10] ipv6_find_idev+0x102/0x170 [ 1331.863188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.863188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.863188][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.863188][ T10] netlink_unicast+0x449/0x710 [ 1331.863188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.863188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.863188][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.863188][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.863188][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.863188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.863188][ T10] [ 1331.865292][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1331.865562][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1331.865562][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.865562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.865562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.865562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.865562][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.865562][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.865562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.865562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.865562][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.865562][ T10] netlink_unicast+0x449/0x710 [ 1331.865562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.865562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.865562][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.865562][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.865562][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.865562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.865562][ T10] [ 1331.867528][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1331.867528][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.867528][ T10] ipv6_find_idev+0x102/0x170 [ 1331.867528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.867528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.867528][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.867528][ T10] netlink_unicast+0x449/0x710 [ 1331.867528][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.867528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.867528][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.867528][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.867528][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.867528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.867528][ T10] [ 1331.869055][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1331.869055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.869055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.869055][ T10] ipv6_find_idev+0x102/0x170 [ 1331.869055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.869055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.869055][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.869055][ T10] netlink_unicast+0x449/0x710 [ 1331.869055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.869055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.869055][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.869055][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.869055][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.869055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.869055][ T10] [ 1331.870806][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1331.871129][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1331.871129][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.871129][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.871129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.871129][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.871129][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.871129][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.871129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.871129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.871129][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.871129][ T10] netlink_unicast+0x449/0x710 [ 1331.871129][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.871129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.871129][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.871129][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.871129][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.871129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.871129][ T10] [ 1331.873115][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1331.873115][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.873115][ T10] ipv6_find_idev+0x102/0x170 [ 1331.873115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.873115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.873115][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.873115][ T10] netlink_unicast+0x449/0x710 [ 1331.873115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.873115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.873115][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.873115][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.873115][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.873115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.873115][ T10] [ 1331.874877][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1331.874877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.874877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.874877][ T10] ipv6_find_idev+0x102/0x170 [ 1331.874877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.874877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.874877][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.874877][ T10] netlink_unicast+0x449/0x710 [ 1331.874877][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.874877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.874877][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.874877][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.874877][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.874877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.874877][ T10] [ 1331.876864][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1331.877131][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1331.877131][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.877131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.877131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.877131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.877131][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.877131][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.877131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.877131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.877131][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.877131][ T10] netlink_unicast+0x449/0x710 [ 1331.877131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.877131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.877131][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.877131][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.877131][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.877131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.877131][ T10] [ 1331.879281][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1331.879281][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.879281][ T10] ipv6_find_idev+0x102/0x170 [ 1331.879281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.879281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.879281][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.879281][ T10] netlink_unicast+0x449/0x710 [ 1331.879281][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.879281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.879281][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.879281][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.879281][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.879281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.879281][ T10] [ 1331.880978][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1331.880978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.880978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.880978][ T10] ipv6_find_idev+0x102/0x170 [ 1331.880978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.880978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.880978][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.880978][ T10] netlink_unicast+0x449/0x710 [ 1331.880978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.880978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.880978][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.880978][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.880978][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.880978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.880978][ T10] [ 1331.882910][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1331.883174][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1331.883174][ T10] netdev_get_by_index+0x5e/0x80 [ 1331.883174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1331.883174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1331.883174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1331.883174][ T10] ipv6_add_addr+0x411/0x2000 [ 1331.883174][ T10] inet6_addr_add+0x30e/0xa40 [ 1331.883174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1331.883174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.883174][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.883174][ T10] netlink_unicast+0x449/0x710 [ 1331.883174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.883174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.883174][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.883174][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.883174][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.883174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.883174][ T10] [ 1331.885370][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1331.885370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1331.885370][ T10] ipv6_find_idev+0x102/0x170 [ 1331.885370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.885370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.885370][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.885370][ T10] netlink_unicast+0x449/0x710 [ 1331.885370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.885370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.885370][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.885370][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.885370][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.885370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.885370][ T10] [ 1331.887091][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1331.887091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1331.887091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1331.887091][ T10] ipv6_find_idev+0x102/0x170 [ 1331.887091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1331.887091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1331.887091][ T10] netlink_rcv_skb+0x130/0x360 [ 1331.887091][ T10] netlink_unicast+0x449/0x710 [ 1331.887091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1331.887091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1331.887091][ T10] ___sys_sendmsg+0xee/0x170 [ 1331.887091][ T10] __sys_sendmsg+0xcd/0x170 [ 1331.887091][ T10] do_syscall_64+0xc6/0x1e0 [ 1331.887091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1331.887091][ T10] [ 1342.131001][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1342.131458][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1342.131458][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.131458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.131458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.131458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.131458][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.131458][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.131458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.131458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.131458][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.131458][ T10] netlink_unicast+0x449/0x710 [ 1342.131458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.131458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.131458][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.131458][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.131458][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.131458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.131458][ T10] [ 1342.133438][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1342.133438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.133438][ T10] ipv6_find_idev+0x102/0x170 [ 1342.133438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.133438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.133438][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.133438][ T10] netlink_unicast+0x449/0x710 [ 1342.133438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.133438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.133438][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.133438][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.133438][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.133438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.133438][ T10] [ 1342.135070][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1342.135070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.135070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.135070][ T10] ipv6_find_idev+0x102/0x170 [ 1342.135070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.135070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.135070][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.135070][ T10] netlink_unicast+0x449/0x710 [ 1342.135070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.135070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.135070][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.135070][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.135070][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.135070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.135070][ T10] [ 1342.136737][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1342.137040][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1342.137040][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.137040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.137040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.137040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.137040][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.137040][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.137040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.137040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.137040][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.137040][ T10] netlink_unicast+0x449/0x710 [ 1342.137040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.137040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.137040][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.137040][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.137040][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.137040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.137040][ T10] [ 1342.139006][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1342.139006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.139006][ T10] ipv6_find_idev+0x102/0x170 [ 1342.139006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.139006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.139006][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.139006][ T10] netlink_unicast+0x449/0x710 [ 1342.139006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.139006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.139006][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.139006][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.139006][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.139006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.139006][ T10] [ 1342.140521][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1342.140521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.140521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.140521][ T10] ipv6_find_idev+0x102/0x170 [ 1342.140521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.140521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.140521][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.140521][ T10] netlink_unicast+0x449/0x710 [ 1342.140521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.140521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.140521][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.140521][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.140521][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.140521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.140521][ T10] [ 1342.142187][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1342.142446][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1342.142446][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.142446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.142446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.142446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.142446][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.142446][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.142446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.142446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.142446][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.142446][ T10] netlink_unicast+0x449/0x710 [ 1342.142446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.142446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.142446][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.142446][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.142446][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.142446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.142446][ T10] [ 1342.144402][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1342.144402][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.144402][ T10] ipv6_find_idev+0x102/0x170 [ 1342.144402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.144402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.144402][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.144402][ T10] netlink_unicast+0x449/0x710 [ 1342.144402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.144402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.144402][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.144402][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.144402][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.144402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.144402][ T10] [ 1342.145931][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1342.145931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.145931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.145931][ T10] ipv6_find_idev+0x102/0x170 [ 1342.145931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.145931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.145931][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.145931][ T10] netlink_unicast+0x449/0x710 [ 1342.145931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.145931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.145931][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.145931][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.145931][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.145931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.145931][ T10] [ 1342.147587][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1342.147863][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1342.147863][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.147863][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.147863][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.147863][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.147863][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.147863][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.147863][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.147863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.147863][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.147863][ T10] netlink_unicast+0x449/0x710 [ 1342.147863][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.147863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.147863][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.147863][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.147863][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.147863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.147863][ T10] [ 1342.149828][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1342.149828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.149828][ T10] ipv6_find_idev+0x102/0x170 [ 1342.149828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.149828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.149828][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.149828][ T10] netlink_unicast+0x449/0x710 [ 1342.149828][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.149828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.149828][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.149828][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.149828][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.149828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.149828][ T10] [ 1342.151341][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1342.151341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.151341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.151341][ T10] ipv6_find_idev+0x102/0x170 [ 1342.151341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.151341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.151341][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.151341][ T10] netlink_unicast+0x449/0x710 [ 1342.151341][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.151341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.151341][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.151341][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.151341][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.151341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.151341][ T10] [ 1342.153405][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1342.153671][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1342.153671][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.153671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.153671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.153671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.153671][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.153671][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.153671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.153671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.153671][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.153671][ T10] netlink_unicast+0x449/0x710 [ 1342.153671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.153671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.153671][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.153671][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.153671][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.153671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.153671][ T10] [ 1342.155621][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1342.155621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.155621][ T10] ipv6_find_idev+0x102/0x170 [ 1342.155621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.155621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.155621][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.155621][ T10] netlink_unicast+0x449/0x710 [ 1342.155621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.155621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.155621][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.155621][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.155621][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.155621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.155621][ T10] [ 1342.157141][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1342.157141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.157141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.157141][ T10] ipv6_find_idev+0x102/0x170 [ 1342.157141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.157141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.157141][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.157141][ T10] netlink_unicast+0x449/0x710 [ 1342.157141][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.157141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.157141][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.157141][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.157141][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.157141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.157141][ T10] [ 1342.158887][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1342.159148][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1342.159148][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.159148][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.159148][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.159148][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.159148][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.159148][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.159148][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.159148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.159148][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.159148][ T10] netlink_unicast+0x449/0x710 [ 1342.159148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.159148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.159148][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.159148][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.159148][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.159148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.159148][ T10] [ 1342.161166][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1342.161166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.161166][ T10] ipv6_find_idev+0x102/0x170 [ 1342.161166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.161166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.161166][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.161166][ T10] netlink_unicast+0x449/0x710 [ 1342.161166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.161166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.161166][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.161166][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.161166][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.161166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.161166][ T10] [ 1342.162918][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1342.162918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.162918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.162918][ T10] ipv6_find_idev+0x102/0x170 [ 1342.162918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.162918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.162918][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.162918][ T10] netlink_unicast+0x449/0x710 [ 1342.162918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.162918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.162918][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.162918][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.162918][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.162918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.162918][ T10] [ 1342.164868][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1342.165130][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1342.165130][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.165130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.165130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.165130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.165130][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.165130][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.165130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.165130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.165130][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.165130][ T10] netlink_unicast+0x449/0x710 [ 1342.165130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.165130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.165130][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.165130][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.165130][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.165130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.165130][ T10] [ 1342.167299][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1342.167299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.167299][ T10] ipv6_find_idev+0x102/0x170 [ 1342.167299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.167299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.167299][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.167299][ T10] netlink_unicast+0x449/0x710 [ 1342.167299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.167299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.167299][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.167299][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.167299][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.167299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.167299][ T10] [ 1342.168991][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1342.168991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.168991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.168991][ T10] ipv6_find_idev+0x102/0x170 [ 1342.168991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.168991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.168991][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.168991][ T10] netlink_unicast+0x449/0x710 [ 1342.168991][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.168991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.168991][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.168991][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.168991][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.168991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.168991][ T10] [ 1342.170927][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1342.171191][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1342.171191][ T10] netdev_get_by_index+0x5e/0x80 [ 1342.171191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1342.171191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1342.171191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1342.171191][ T10] ipv6_add_addr+0x411/0x2000 [ 1342.171191][ T10] inet6_addr_add+0x30e/0xa40 [ 1342.171191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1342.171191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.171191][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.171191][ T10] netlink_unicast+0x449/0x710 [ 1342.171191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.171191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.171191][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.171191][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.171191][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.171191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.171191][ T10] [ 1342.173436][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1342.173436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1342.173436][ T10] ipv6_find_idev+0x102/0x170 [ 1342.173436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.173436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.173436][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.173436][ T10] netlink_unicast+0x449/0x710 [ 1342.173436][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.173436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.173436][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.173436][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.173436][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.173436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.173436][ T10] [ 1342.175121][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1342.175121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1342.175121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1342.175121][ T10] ipv6_find_idev+0x102/0x170 [ 1342.175121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1342.175121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1342.175121][ T10] netlink_rcv_skb+0x130/0x360 [ 1342.175121][ T10] netlink_unicast+0x449/0x710 [ 1342.175121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1342.175121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1342.175121][ T10] ___sys_sendmsg+0xee/0x170 [ 1342.175121][ T10] __sys_sendmsg+0xcd/0x170 [ 1342.175121][ T10] do_syscall_64+0xc6/0x1e0 [ 1342.175121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1342.175121][ T10] [ 1352.418945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1352.419326][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1352.419326][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.419326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.419326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.419326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.419326][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.419326][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.419326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.419326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.419326][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.419326][ T10] netlink_unicast+0x449/0x710 [ 1352.419326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.419326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.419326][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.419326][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.419326][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.419326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.419326][ T10] [ 1352.421348][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1352.421348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.421348][ T10] ipv6_find_idev+0x102/0x170 [ 1352.421348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.421348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.421348][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.421348][ T10] netlink_unicast+0x449/0x710 [ 1352.421348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.421348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.421348][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.421348][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.421348][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.421348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.421348][ T10] [ 1352.422866][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1352.422866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.422866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.422866][ T10] ipv6_find_idev+0x102/0x170 [ 1352.422866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.422866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.422866][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.422866][ T10] netlink_unicast+0x449/0x710 [ 1352.422866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.422866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.422866][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.422866][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.422866][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.422866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.422866][ T10] [ 1352.424516][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1352.424783][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1352.424783][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.424783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.424783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.424783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.424783][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.424783][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.424783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.424783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.424783][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.424783][ T10] netlink_unicast+0x449/0x710 [ 1352.424783][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.424783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.424783][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.424783][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.424783][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.424783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.424783][ T10] [ 1352.426750][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1352.426750][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.426750][ T10] ipv6_find_idev+0x102/0x170 [ 1352.426750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.426750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.426750][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.426750][ T10] netlink_unicast+0x449/0x710 [ 1352.426750][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.426750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.426750][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.426750][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.426750][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.426750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.426750][ T10] [ 1352.428263][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1352.428263][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.428263][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.428263][ T10] ipv6_find_idev+0x102/0x170 [ 1352.428263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.428263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.428263][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.428263][ T10] netlink_unicast+0x449/0x710 [ 1352.428263][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.428263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.428263][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.428263][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.428263][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.428263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.428263][ T10] [ 1352.429918][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1352.430176][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1352.430176][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.430176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.430176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.430176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.430176][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.430176][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.430176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.430176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.430176][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.430176][ T10] netlink_unicast+0x449/0x710 [ 1352.430176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.430176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.430176][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.430176][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.430176][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.430176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.430176][ T10] [ 1352.432139][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1352.432139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.432139][ T10] ipv6_find_idev+0x102/0x170 [ 1352.432139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.432139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.432139][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.432139][ T10] netlink_unicast+0x449/0x710 [ 1352.432139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.432139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.432139][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.432139][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.432139][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.432139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.432139][ T10] [ 1352.433649][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1352.433649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.433649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.433649][ T10] ipv6_find_idev+0x102/0x170 [ 1352.433649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.433649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.433649][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.433649][ T10] netlink_unicast+0x449/0x710 [ 1352.433649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.433649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.433649][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.433649][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.433649][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.433649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.433649][ T10] [ 1352.435297][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1352.435562][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1352.435562][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.435562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.435562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.435562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.435562][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.435562][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.435562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.435562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.435562][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.435562][ T10] netlink_unicast+0x449/0x710 [ 1352.435562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.435562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.435562][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.435562][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.435562][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.435562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.435562][ T10] [ 1352.437579][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1352.437579][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.437579][ T10] ipv6_find_idev+0x102/0x170 [ 1352.437579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.437579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.437579][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.437579][ T10] netlink_unicast+0x449/0x710 [ 1352.437579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.437579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.437579][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.437579][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.437579][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.437579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.437579][ T10] [ 1352.439090][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1352.439090][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.439090][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.439090][ T10] ipv6_find_idev+0x102/0x170 [ 1352.439090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.439090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.439090][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.439090][ T10] netlink_unicast+0x449/0x710 [ 1352.439090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.439090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.439090][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.439090][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.439090][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.439090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.439090][ T10] [ 1352.440802][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1352.441121][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1352.441121][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.441121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.441121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.441121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.441121][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.441121][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.441121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.441121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.441121][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.441121][ T10] netlink_unicast+0x449/0x710 [ 1352.441121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.441121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.441121][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.441121][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.441121][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.441121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.441121][ T10] [ 1352.443092][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1352.443092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.443092][ T10] ipv6_find_idev+0x102/0x170 [ 1352.443092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.443092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.443092][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.443092][ T10] netlink_unicast+0x449/0x710 [ 1352.443092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.443092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.443092][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.443092][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.443092][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.443092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.443092][ T10] [ 1352.444599][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1352.444599][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.444599][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.444599][ T10] ipv6_find_idev+0x102/0x170 [ 1352.444599][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.444599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.444599][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.444599][ T10] netlink_unicast+0x449/0x710 [ 1352.444599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.444599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.444599][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.444599][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.444599][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.444599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.444599][ T10] [ 1352.446473][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1352.446743][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1352.446743][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.446743][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.446743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.446743][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.446743][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.446743][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.446743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.446743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.446743][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.446743][ T10] netlink_unicast+0x449/0x710 [ 1352.446743][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.446743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.446743][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.446743][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.446743][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.446743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.446743][ T10] [ 1352.449007][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1352.449007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.449007][ T10] ipv6_find_idev+0x102/0x170 [ 1352.449007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.449007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.449007][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.449007][ T10] netlink_unicast+0x449/0x710 [ 1352.449007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.449007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.449007][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.449007][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.449007][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.449007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.449007][ T10] [ 1352.450699][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1352.450699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.450699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.450699][ T10] ipv6_find_idev+0x102/0x170 [ 1352.450699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.450699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.450699][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.450699][ T10] netlink_unicast+0x449/0x710 [ 1352.450699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.450699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.450699][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.450699][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.450699][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.450699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.450699][ T10] [ 1352.452571][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1352.452836][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1352.452836][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.452836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.452836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.452836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.452836][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.452836][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.452836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.452836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.452836][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.452836][ T10] netlink_unicast+0x449/0x710 [ 1352.452836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.452836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.452836][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.452836][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.452836][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.452836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.452836][ T10] [ 1352.455028][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1352.455028][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.455028][ T10] ipv6_find_idev+0x102/0x170 [ 1352.455028][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.455028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.455028][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.455028][ T10] netlink_unicast+0x449/0x710 [ 1352.455028][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.455028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.455028][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.455028][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.455028][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.455028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.455028][ T10] [ 1352.456829][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1352.456829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.456829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.456829][ T10] ipv6_find_idev+0x102/0x170 [ 1352.456829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.456829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.456829][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.456829][ T10] netlink_unicast+0x449/0x710 [ 1352.456829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.456829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.456829][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.456829][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.456829][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.456829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.456829][ T10] [ 1352.458705][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1352.459018][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1352.459018][ T10] netdev_get_by_index+0x5e/0x80 [ 1352.459018][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1352.459018][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1352.459018][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1352.459018][ T10] ipv6_add_addr+0x411/0x2000 [ 1352.459018][ T10] inet6_addr_add+0x30e/0xa40 [ 1352.459018][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1352.459018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.459018][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.459018][ T10] netlink_unicast+0x449/0x710 [ 1352.459018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.459018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.459018][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.459018][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.459018][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.459018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.459018][ T10] [ 1352.461143][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1352.461143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1352.461143][ T10] ipv6_find_idev+0x102/0x170 [ 1352.461143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.461143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.461143][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.461143][ T10] netlink_unicast+0x449/0x710 [ 1352.461143][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.461143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.461143][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.461143][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.461143][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.461143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.461143][ T10] [ 1352.462838][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1352.462838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1352.462838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1352.462838][ T10] ipv6_find_idev+0x102/0x170 [ 1352.462838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1352.462838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1352.462838][ T10] netlink_rcv_skb+0x130/0x360 [ 1352.462838][ T10] netlink_unicast+0x449/0x710 [ 1352.462838][ T10] netlink_sendmsg+0x723/0xbe0 [ 1352.462838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1352.462838][ T10] ___sys_sendmsg+0xee/0x170 [ 1352.462838][ T10] __sys_sendmsg+0xcd/0x170 [ 1352.462838][ T10] do_syscall_64+0xc6/0x1e0 [ 1352.462838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1352.462838][ T10] [ 1353.002992][ T42] INFO: task modprobe:1062 blocked for more than 1105 seconds. [ 1353.003381][ T42] Not tainted 6.8.0-virtme #1 [ 1353.003499][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1353.003704][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 1353.003977][ T42] Call Trace: [ 1353.004074][ T42] [ 1353.004143][ T42] __schedule+0x705/0x1ac0 [ 1353.004279][ T42] ? __pfx___schedule+0x10/0x10 [ 1353.004405][ T42] ? schedule+0x1a5/0x210 [ 1353.004501][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.004630][ T42] ? mark_lock+0x38/0x3e0 [ 1353.004725][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1353.004866][ T42] ? schedule+0x1a5/0x210 [ 1353.004965][ T42] schedule+0xdf/0x210 [ 1353.005063][ T42] schedule_preempt_disabled+0x15/0x30 [ 1353.005186][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1353.005315][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1353.005467][ T42] ? kasan_save_stack+0x34/0x50 [ 1353.005590][ T42] ? kasan_save_stack+0x24/0x50 [ 1353.005715][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1353.005861][ T42] ? lock_acquire+0x1c1/0x220 [ 1353.005985][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1353.006123][ T42] down_write+0x1c9/0x200 [ 1353.006220][ T42] ? __pfx_down_write+0x10/0x10 [ 1353.006341][ T42] ? __pfx___lock_release+0x10/0x10 [ 1353.006469][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1353.006655][ T42] register_pernet_subsys+0x1a/0x50 [ 1353.006794][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1353.006980][ T42] do_one_initcall+0xc8/0x3f0 [ 1353.007106][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1353.007232][ T42] ? __create_object+0x5e/0xb0 [ 1353.007360][ T42] ? kasan_unpoison+0x27/0x60 [ 1353.007489][ T42] do_init_module+0x233/0x740 [ 1353.007623][ T42] load_module+0x16b5/0x2350 [ 1353.007763][ T42] ? __pfx_load_module+0x10/0x10 [ 1353.007897][ T42] ? kernel_read_file+0x3d2/0x520 [ 1353.008029][ T42] ? kernel_read_file+0x300/0x520 [ 1353.008156][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1353.008286][ T42] ? init_module_from_file+0xd2/0x130 [ 1353.008410][ T42] init_module_from_file+0xd2/0x130 [ 1353.008534][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1353.008692][ T42] ? __lock_release+0x103/0x460 [ 1353.008818][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.008964][ T42] ? idempotent_init_module+0x32a/0x620 [ 1353.009091][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1353.009217][ T42] idempotent_init_module+0x342/0x620 [ 1353.009343][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1353.009514][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1353.009641][ T42] do_syscall_64+0xc6/0x1e0 [ 1353.009769][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1353.009930][ T42] RIP: 0033:0x7f81e06dce5d [ 1353.010060][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1353.010246][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 1353.010427][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 1353.010611][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 1353.010792][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 1353.010985][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 1353.011183][ T42] [ 1353.011276][ T42] [ 1353.011276][ T42] Showing all locks held in the system: [ 1353.011448][ T42] 3 locks held by kworker/u16:0/10: [ 1353.011566][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.011818][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.012048][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1353.012271][ T42] 1 lock held by khungtaskd/42: [ 1353.012388][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1353.012606][ T42] 2 locks held by kworker/u20:1/62: [ 1353.012725][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1353.012980][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1353.013258][ T42] 1 lock held by modprobe/1062: [ 1353.013379][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1353.013624][ T42] [ 1353.013686][ T42] ============================================= [ 1353.013686][ T42] [ 1362.530914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1362.531325][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1362.531325][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.531325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.531325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.531325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.531325][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.531325][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.531325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.531325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.531325][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.531325][ T10] netlink_unicast+0x449/0x710 [ 1362.531325][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.531325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.531325][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.531325][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.531325][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.531325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.531325][ T10] [ 1362.533387][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1362.533387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.533387][ T10] ipv6_find_idev+0x102/0x170 [ 1362.533387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.533387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.533387][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.533387][ T10] netlink_unicast+0x449/0x710 [ 1362.533387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.533387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.533387][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.533387][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.533387][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.533387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.533387][ T10] [ 1362.534994][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1362.534994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.534994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.534994][ T10] ipv6_find_idev+0x102/0x170 [ 1362.534994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.534994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.534994][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.534994][ T10] netlink_unicast+0x449/0x710 [ 1362.534994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.534994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.534994][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.534994][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.534994][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.534994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.534994][ T10] [ 1362.536789][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1362.537091][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1362.537091][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.537091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.537091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.537091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.537091][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.537091][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.537091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.537091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.537091][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.537091][ T10] netlink_unicast+0x449/0x710 [ 1362.537091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.537091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.537091][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.537091][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.537091][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.537091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.537091][ T10] [ 1362.539230][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1362.539230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.539230][ T10] ipv6_find_idev+0x102/0x170 [ 1362.539230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.539230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.539230][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.539230][ T10] netlink_unicast+0x449/0x710 [ 1362.539230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.539230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.539230][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.539230][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.539230][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.539230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.539230][ T10] [ 1362.540865][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1362.540865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.540865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.540865][ T10] ipv6_find_idev+0x102/0x170 [ 1362.540865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.540865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.540865][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.540865][ T10] netlink_unicast+0x449/0x710 [ 1362.540865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.540865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.540865][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.540865][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.540865][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.540865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.540865][ T10] [ 1362.542573][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1362.542855][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1362.542855][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.542855][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.542855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.542855][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.542855][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.542855][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.542855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.542855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.542855][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.542855][ T10] netlink_unicast+0x449/0x710 [ 1362.542855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.542855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.542855][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.542855][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.542855][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.542855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.542855][ T10] [ 1362.544971][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1362.544971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.544971][ T10] ipv6_find_idev+0x102/0x170 [ 1362.544971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.544971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.544971][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.544971][ T10] netlink_unicast+0x449/0x710 [ 1362.544971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.544971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.544971][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.544971][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.544971][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.544971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.544971][ T10] [ 1362.546579][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1362.546579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.546579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.546579][ T10] ipv6_find_idev+0x102/0x170 [ 1362.546579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.546579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.546579][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.546579][ T10] netlink_unicast+0x449/0x710 [ 1362.546579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.546579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.546579][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.546579][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.546579][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.546579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.546579][ T10] [ 1362.548372][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1362.548652][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1362.548652][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.548652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.548652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.548652][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.548652][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.548652][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.548652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.548652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.548652][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.548652][ T10] netlink_unicast+0x449/0x710 [ 1362.548652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.548652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.548652][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.548652][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.548652][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.548652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.548652][ T10] [ 1362.550739][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1362.550739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.550739][ T10] ipv6_find_idev+0x102/0x170 [ 1362.550739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.550739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.550739][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.550739][ T10] netlink_unicast+0x449/0x710 [ 1362.550739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.550739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.550739][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.550739][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.550739][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.550739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.550739][ T10] [ 1362.552257][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1362.552257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.552257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.552257][ T10] ipv6_find_idev+0x102/0x170 [ 1362.552257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.552257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.552257][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.552257][ T10] netlink_unicast+0x449/0x710 [ 1362.552257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.552257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.552257][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.552257][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.552257][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.552257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.552257][ T10] [ 1362.554342][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1362.554609][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1362.554609][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.554609][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.554609][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.554609][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.554609][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.554609][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.554609][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.554609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.554609][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.554609][ T10] netlink_unicast+0x449/0x710 [ 1362.554609][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.554609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.554609][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.554609][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.554609][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.554609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.554609][ T10] [ 1362.556634][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1362.556634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.556634][ T10] ipv6_find_idev+0x102/0x170 [ 1362.556634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.556634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.556634][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.556634][ T10] netlink_unicast+0x449/0x710 [ 1362.556634][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.556634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.556634][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.556634][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.556634][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.556634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.556634][ T10] [ 1362.558248][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1362.558248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.558248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.558248][ T10] ipv6_find_idev+0x102/0x170 [ 1362.558248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.558248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.558248][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.558248][ T10] netlink_unicast+0x449/0x710 [ 1362.558248][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.558248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.558248][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.558248][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.558248][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.558248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.558248][ T10] [ 1362.560059][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1362.560345][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1362.560345][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.560345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.560345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.560345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.560345][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.560345][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.560345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.560345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.560345][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.560345][ T10] netlink_unicast+0x449/0x710 [ 1362.560345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.560345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.560345][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.560345][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.560345][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.560345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.560345][ T10] [ 1362.562501][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1362.562501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.562501][ T10] ipv6_find_idev+0x102/0x170 [ 1362.562501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.562501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.562501][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.562501][ T10] netlink_unicast+0x449/0x710 [ 1362.562501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.562501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.562501][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.562501][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.562501][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.562501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.562501][ T10] [ 1362.564381][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1362.564381][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.564381][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.564381][ T10] ipv6_find_idev+0x102/0x170 [ 1362.564381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.564381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.564381][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.564381][ T10] netlink_unicast+0x449/0x710 [ 1362.564381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.564381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.564381][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.564381][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.564381][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.564381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.564381][ T10] [ 1362.566384][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1362.566673][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1362.566673][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.566673][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.566673][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.566673][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.566673][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.566673][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.566673][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.566673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.566673][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.566673][ T10] netlink_unicast+0x449/0x710 [ 1362.566673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.566673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.566673][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.566673][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.566673][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.566673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.566673][ T10] [ 1362.569030][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1362.569030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.569030][ T10] ipv6_find_idev+0x102/0x170 [ 1362.569030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.569030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.569030][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.569030][ T10] netlink_unicast+0x449/0x710 [ 1362.569030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.569030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.569030][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.569030][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.569030][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.569030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.569030][ T10] [ 1362.570749][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1362.570749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.570749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.570749][ T10] ipv6_find_idev+0x102/0x170 [ 1362.570749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.570749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.570749][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.570749][ T10] netlink_unicast+0x449/0x710 [ 1362.570749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.570749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.570749][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.570749][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.570749][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.570749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.570749][ T10] [ 1362.572634][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1362.572959][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1362.572959][ T10] netdev_get_by_index+0x5e/0x80 [ 1362.572959][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1362.572959][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1362.572959][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1362.572959][ T10] ipv6_add_addr+0x411/0x2000 [ 1362.572959][ T10] inet6_addr_add+0x30e/0xa40 [ 1362.572959][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1362.572959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.572959][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.572959][ T10] netlink_unicast+0x449/0x710 [ 1362.572959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.572959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.572959][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.572959][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.572959][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.572959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.572959][ T10] [ 1362.575163][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1362.575163][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1362.575163][ T10] ipv6_find_idev+0x102/0x170 [ 1362.575163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.575163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.575163][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.575163][ T10] netlink_unicast+0x449/0x710 [ 1362.575163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.575163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.575163][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.575163][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.575163][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.575163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.575163][ T10] [ 1362.576945][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1362.576945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1362.576945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1362.576945][ T10] ipv6_find_idev+0x102/0x170 [ 1362.576945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1362.576945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1362.576945][ T10] netlink_rcv_skb+0x130/0x360 [ 1362.576945][ T10] netlink_unicast+0x449/0x710 [ 1362.576945][ T10] netlink_sendmsg+0x723/0xbe0 [ 1362.576945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1362.576945][ T10] ___sys_sendmsg+0xee/0x170 [ 1362.576945][ T10] __sys_sendmsg+0xcd/0x170 [ 1362.576945][ T10] do_syscall_64+0xc6/0x1e0 [ 1362.576945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1362.576945][ T10] [ 1372.818996][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1372.819398][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1372.819398][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.819398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.819398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.819398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.819398][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.819398][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.819398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.819398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.819398][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.819398][ T10] netlink_unicast+0x449/0x710 [ 1372.819398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.819398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.819398][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.819398][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.819398][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.819398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.819398][ T10] [ 1372.821380][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1372.821380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.821380][ T10] ipv6_find_idev+0x102/0x170 [ 1372.821380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.821380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.821380][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.821380][ T10] netlink_unicast+0x449/0x710 [ 1372.821380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.821380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.821380][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.821380][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.821380][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.821380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.821380][ T10] [ 1372.822908][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1372.822908][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.822908][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.822908][ T10] ipv6_find_idev+0x102/0x170 [ 1372.822908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.822908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.822908][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.822908][ T10] netlink_unicast+0x449/0x710 [ 1372.822908][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.822908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.822908][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.822908][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.822908][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.822908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.822908][ T10] [ 1372.824572][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1372.824847][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1372.824847][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.824847][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.824847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.824847][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.824847][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.824847][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.824847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.824847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.824847][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.824847][ T10] netlink_unicast+0x449/0x710 [ 1372.824847][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.824847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.824847][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.824847][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.824847][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.824847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.824847][ T10] [ 1372.826829][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1372.826829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.826829][ T10] ipv6_find_idev+0x102/0x170 [ 1372.826829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.826829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.826829][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.826829][ T10] netlink_unicast+0x449/0x710 [ 1372.826829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.826829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.826829][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.826829][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.826829][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.826829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.826829][ T10] [ 1372.828350][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1372.828350][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.828350][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.828350][ T10] ipv6_find_idev+0x102/0x170 [ 1372.828350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.828350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.828350][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.828350][ T10] netlink_unicast+0x449/0x710 [ 1372.828350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.828350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.828350][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.828350][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.828350][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.828350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.828350][ T10] [ 1372.830022][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1372.830286][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1372.830286][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.830286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.830286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.830286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.830286][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.830286][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.830286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.830286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.830286][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.830286][ T10] netlink_unicast+0x449/0x710 [ 1372.830286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.830286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.830286][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.830286][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.830286][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.830286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.830286][ T10] [ 1372.832258][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1372.832258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.832258][ T10] ipv6_find_idev+0x102/0x170 [ 1372.832258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.832258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.832258][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.832258][ T10] netlink_unicast+0x449/0x710 [ 1372.832258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.832258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.832258][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.832258][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.832258][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.832258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.832258][ T10] [ 1372.833780][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1372.833780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.833780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.833780][ T10] ipv6_find_idev+0x102/0x170 [ 1372.833780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.833780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.833780][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.833780][ T10] netlink_unicast+0x449/0x710 [ 1372.833780][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.833780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.833780][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.833780][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.833780][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.833780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.833780][ T10] [ 1372.835450][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1372.835713][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1372.835713][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.835713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.835713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.835713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.835713][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.835713][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.835713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.835713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.835713][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.835713][ T10] netlink_unicast+0x449/0x710 [ 1372.835713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.835713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.835713][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.835713][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.835713][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.835713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.835713][ T10] [ 1372.837691][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1372.837691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.837691][ T10] ipv6_find_idev+0x102/0x170 [ 1372.837691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.837691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.837691][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.837691][ T10] netlink_unicast+0x449/0x710 [ 1372.837691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.837691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.837691][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.837691][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.837691][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.837691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.837691][ T10] [ 1372.839213][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1372.839213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.839213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.839213][ T10] ipv6_find_idev+0x102/0x170 [ 1372.839213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.839213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.839213][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.839213][ T10] netlink_unicast+0x449/0x710 [ 1372.839213][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.839213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.839213][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.839213][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.839213][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.839213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.839213][ T10] [ 1372.841293][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1372.841554][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1372.841554][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.841554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.841554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.841554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.841554][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.841554][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.841554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.841554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.841554][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.841554][ T10] netlink_unicast+0x449/0x710 [ 1372.841554][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.841554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.841554][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.841554][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.841554][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.841554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.841554][ T10] [ 1372.843520][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1372.843520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.843520][ T10] ipv6_find_idev+0x102/0x170 [ 1372.843520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.843520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.843520][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.843520][ T10] netlink_unicast+0x449/0x710 [ 1372.843520][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.843520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.843520][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.843520][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.843520][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.843520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.843520][ T10] [ 1372.845040][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1372.845040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.845040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.845040][ T10] ipv6_find_idev+0x102/0x170 [ 1372.845040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.845040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.845040][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.845040][ T10] netlink_unicast+0x449/0x710 [ 1372.845040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.845040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.845040][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.845040][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.845040][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.845040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.845040][ T10] [ 1372.846763][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1372.847085][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1372.847085][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.847085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.847085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.847085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.847085][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.847085][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.847085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.847085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.847085][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.847085][ T10] netlink_unicast+0x449/0x710 [ 1372.847085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.847085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.847085][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.847085][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.847085][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.847085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.847085][ T10] [ 1372.849132][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1372.849132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.849132][ T10] ipv6_find_idev+0x102/0x170 [ 1372.849132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.849132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.849132][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.849132][ T10] netlink_unicast+0x449/0x710 [ 1372.849132][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.849132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.849132][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.849132][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.849132][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.849132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.849132][ T10] [ 1372.850837][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1372.850837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.850837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.850837][ T10] ipv6_find_idev+0x102/0x170 [ 1372.850837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.850837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.850837][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.850837][ T10] netlink_unicast+0x449/0x710 [ 1372.850837][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.850837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.850837][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.850837][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.850837][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.850837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.850837][ T10] [ 1372.852867][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1372.853133][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1372.853133][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.853133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.853133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.853133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.853133][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.853133][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.853133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.853133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.853133][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.853133][ T10] netlink_unicast+0x449/0x710 [ 1372.853133][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.853133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.853133][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.853133][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.853133][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.853133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.853133][ T10] [ 1372.855296][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1372.855296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.855296][ T10] ipv6_find_idev+0x102/0x170 [ 1372.855296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.855296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.855296][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.855296][ T10] netlink_unicast+0x449/0x710 [ 1372.855296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.855296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.855296][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.855296][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.855296][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.855296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.855296][ T10] [ 1372.857009][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1372.857009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.857009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.857009][ T10] ipv6_find_idev+0x102/0x170 [ 1372.857009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.857009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.857009][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.857009][ T10] netlink_unicast+0x449/0x710 [ 1372.857009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.857009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.857009][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.857009][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.857009][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.857009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.857009][ T10] [ 1372.858945][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1372.859221][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1372.859221][ T10] netdev_get_by_index+0x5e/0x80 [ 1372.859221][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1372.859221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1372.859221][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1372.859221][ T10] ipv6_add_addr+0x411/0x2000 [ 1372.859221][ T10] inet6_addr_add+0x30e/0xa40 [ 1372.859221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1372.859221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.859221][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.859221][ T10] netlink_unicast+0x449/0x710 [ 1372.859221][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.859221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.859221][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.859221][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.859221][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.859221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.859221][ T10] [ 1372.861441][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1372.861441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1372.861441][ T10] ipv6_find_idev+0x102/0x170 [ 1372.861441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.861441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.861441][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.861441][ T10] netlink_unicast+0x449/0x710 [ 1372.861441][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.861441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.861441][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.861441][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.861441][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.861441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.861441][ T10] [ 1372.863146][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1372.863146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1372.863146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1372.863146][ T10] ipv6_find_idev+0x102/0x170 [ 1372.863146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1372.863146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1372.863146][ T10] netlink_rcv_skb+0x130/0x360 [ 1372.863146][ T10] netlink_unicast+0x449/0x710 [ 1372.863146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1372.863146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1372.863146][ T10] ___sys_sendmsg+0xee/0x170 [ 1372.863146][ T10] __sys_sendmsg+0xcd/0x170 [ 1372.863146][ T10] do_syscall_64+0xc6/0x1e0 [ 1372.863146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1372.863146][ T10] [ 1383.106971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1383.107423][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1383.107423][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.107423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.107423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.107423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.107423][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.107423][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.107423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.107423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.107423][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.107423][ T10] netlink_unicast+0x449/0x710 [ 1383.107423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.107423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.107423][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.107423][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.107423][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.107423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.107423][ T10] [ 1383.109404][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1383.109404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.109404][ T10] ipv6_find_idev+0x102/0x170 [ 1383.109404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.109404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.109404][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.109404][ T10] netlink_unicast+0x449/0x710 [ 1383.109404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.109404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.109404][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.109404][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.109404][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.109404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.109404][ T10] [ 1383.110919][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1383.110919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.110919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.110919][ T10] ipv6_find_idev+0x102/0x170 [ 1383.110919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.110919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.110919][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.110919][ T10] netlink_unicast+0x449/0x710 [ 1383.110919][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.110919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.110919][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.110919][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.110919][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.110919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.110919][ T10] [ 1383.112580][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1383.112851][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1383.112851][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.112851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.112851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.112851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.112851][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.112851][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.112851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.112851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.112851][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.112851][ T10] netlink_unicast+0x449/0x710 [ 1383.112851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.112851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.112851][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.112851][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.112851][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.112851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.112851][ T10] [ 1383.114805][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1383.114805][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.114805][ T10] ipv6_find_idev+0x102/0x170 [ 1383.114805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.114805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.114805][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.114805][ T10] netlink_unicast+0x449/0x710 [ 1383.114805][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.114805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.114805][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.114805][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.114805][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.114805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.114805][ T10] [ 1383.116313][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1383.116313][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.116313][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.116313][ T10] ipv6_find_idev+0x102/0x170 [ 1383.116313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.116313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.116313][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.116313][ T10] netlink_unicast+0x449/0x710 [ 1383.116313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.116313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.116313][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.116313][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.116313][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.116313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.116313][ T10] [ 1383.117978][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1383.118236][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1383.118236][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.118236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.118236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.118236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.118236][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.118236][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.118236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.118236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.118236][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.118236][ T10] netlink_unicast+0x449/0x710 [ 1383.118236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.118236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.118236][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.118236][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.118236][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.118236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.118236][ T10] [ 1383.120194][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1383.120194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.120194][ T10] ipv6_find_idev+0x102/0x170 [ 1383.120194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.120194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.120194][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.120194][ T10] netlink_unicast+0x449/0x710 [ 1383.120194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.120194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.120194][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.120194][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.120194][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.120194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.120194][ T10] [ 1383.121704][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1383.121704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.121704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.121704][ T10] ipv6_find_idev+0x102/0x170 [ 1383.121704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.121704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.121704][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.121704][ T10] netlink_unicast+0x449/0x710 [ 1383.121704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.121704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.121704][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.121704][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.121704][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.121704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.121704][ T10] [ 1383.123351][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1383.123610][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1383.123610][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.123610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.123610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.123610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.123610][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.123610][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.123610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.123610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.123610][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.123610][ T10] netlink_unicast+0x449/0x710 [ 1383.123610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.123610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.123610][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.123610][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.123610][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.123610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.123610][ T10] [ 1383.125568][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1383.125568][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.125568][ T10] ipv6_find_idev+0x102/0x170 [ 1383.125568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.125568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.125568][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.125568][ T10] netlink_unicast+0x449/0x710 [ 1383.125568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.125568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.125568][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.125568][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.125568][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.125568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.125568][ T10] [ 1383.127082][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1383.127082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.127082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.127082][ T10] ipv6_find_idev+0x102/0x170 [ 1383.127082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.127082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.127082][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.127082][ T10] netlink_unicast+0x449/0x710 [ 1383.127082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.127082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.127082][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.127082][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.127082][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.127082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.127082][ T10] [ 1383.129137][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1383.129402][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1383.129402][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.129402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.129402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.129402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.129402][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.129402][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.129402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.129402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.129402][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.129402][ T10] netlink_unicast+0x449/0x710 [ 1383.129402][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.129402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.129402][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.129402][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.129402][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.129402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.129402][ T10] [ 1383.131345][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1383.131345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.131345][ T10] ipv6_find_idev+0x102/0x170 [ 1383.131345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.131345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.131345][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.131345][ T10] netlink_unicast+0x449/0x710 [ 1383.131345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.131345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.131345][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.131345][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.131345][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.131345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.131345][ T10] [ 1383.132842][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1383.132842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.132842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.132842][ T10] ipv6_find_idev+0x102/0x170 [ 1383.132842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.132842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.132842][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.132842][ T10] netlink_unicast+0x449/0x710 [ 1383.132842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.132842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.132842][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.132842][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.132842][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.132842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.132842][ T10] [ 1383.134529][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1383.134790][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1383.134790][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.134790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.134790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.134790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.134790][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.134790][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.134790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.134790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.134790][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.134790][ T10] netlink_unicast+0x449/0x710 [ 1383.134790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.134790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.134790][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.134790][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.134790][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.134790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.134790][ T10] [ 1383.136876][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1383.136876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.136876][ T10] ipv6_find_idev+0x102/0x170 [ 1383.136876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.136876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.136876][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.136876][ T10] netlink_unicast+0x449/0x710 [ 1383.136876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.136876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.136876][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.136876][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.136876][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.136876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.136876][ T10] [ 1383.138618][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1383.138618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.138618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.138618][ T10] ipv6_find_idev+0x102/0x170 [ 1383.138618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.138618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.138618][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.138618][ T10] netlink_unicast+0x449/0x710 [ 1383.138618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.138618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.138618][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.138618][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.138618][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.138618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.138618][ T10] [ 1383.140486][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1383.140748][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1383.140748][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.140748][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.140748][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.140748][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.140748][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.140748][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.140748][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.140748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.140748][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.140748][ T10] netlink_unicast+0x449/0x710 [ 1383.140748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.140748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.140748][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.140748][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.140748][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.140748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.140748][ T10] [ 1383.142876][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1383.142876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.142876][ T10] ipv6_find_idev+0x102/0x170 [ 1383.142876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.142876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.142876][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.142876][ T10] netlink_unicast+0x449/0x710 [ 1383.142876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.142876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.142876][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.142876][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.142876][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.142876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.142876][ T10] [ 1383.144556][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1383.144556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.144556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.144556][ T10] ipv6_find_idev+0x102/0x170 [ 1383.144556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.144556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.144556][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.144556][ T10] netlink_unicast+0x449/0x710 [ 1383.144556][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.144556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.144556][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.144556][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.144556][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.144556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.144556][ T10] [ 1383.146429][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1383.146693][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1383.146693][ T10] netdev_get_by_index+0x5e/0x80 [ 1383.146693][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1383.146693][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1383.146693][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1383.146693][ T10] ipv6_add_addr+0x411/0x2000 [ 1383.146693][ T10] inet6_addr_add+0x30e/0xa40 [ 1383.146693][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1383.146693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.146693][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.146693][ T10] netlink_unicast+0x449/0x710 [ 1383.146693][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.146693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.146693][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.146693][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.146693][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.146693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.146693][ T10] [ 1383.148948][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1383.148948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1383.148948][ T10] ipv6_find_idev+0x102/0x170 [ 1383.148948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.148948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.148948][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.148948][ T10] netlink_unicast+0x449/0x710 [ 1383.148948][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.148948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.148948][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.148948][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.148948][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.148948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.148948][ T10] [ 1383.150632][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1383.150632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1383.150632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1383.150632][ T10] ipv6_find_idev+0x102/0x170 [ 1383.150632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1383.150632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1383.150632][ T10] netlink_rcv_skb+0x130/0x360 [ 1383.150632][ T10] netlink_unicast+0x449/0x710 [ 1383.150632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1383.150632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1383.150632][ T10] ___sys_sendmsg+0xee/0x170 [ 1383.150632][ T10] __sys_sendmsg+0xcd/0x170 [ 1383.150632][ T10] do_syscall_64+0xc6/0x1e0 [ 1383.150632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1383.150632][ T10] [ 1393.394971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1393.395360][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1393.395360][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.395360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.395360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.395360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.395360][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.395360][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.395360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.395360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.395360][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.395360][ T10] netlink_unicast+0x449/0x710 [ 1393.395360][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.395360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.395360][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.395360][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.395360][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.395360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.395360][ T10] [ 1393.397396][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1393.397396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.397396][ T10] ipv6_find_idev+0x102/0x170 [ 1393.397396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.397396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.397396][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.397396][ T10] netlink_unicast+0x449/0x710 [ 1393.397396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.397396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.397396][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.397396][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.397396][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.397396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.397396][ T10] [ 1393.398913][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1393.398913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.398913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.398913][ T10] ipv6_find_idev+0x102/0x170 [ 1393.398913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.398913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.398913][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.398913][ T10] netlink_unicast+0x449/0x710 [ 1393.398913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.398913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.398913][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.398913][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.398913][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.398913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.398913][ T10] [ 1393.400575][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1393.400847][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1393.400847][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.400847][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.400847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.400847][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.400847][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.400847][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.400847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.400847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.400847][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.400847][ T10] netlink_unicast+0x449/0x710 [ 1393.400847][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.400847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.400847][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.400847][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.400847][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.400847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.400847][ T10] [ 1393.402806][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1393.402806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.402806][ T10] ipv6_find_idev+0x102/0x170 [ 1393.402806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.402806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.402806][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.402806][ T10] netlink_unicast+0x449/0x710 [ 1393.402806][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.402806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.402806][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.402806][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.402806][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.402806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.402806][ T10] [ 1393.404314][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1393.404314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.404314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.404314][ T10] ipv6_find_idev+0x102/0x170 [ 1393.404314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.404314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.404314][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.404314][ T10] netlink_unicast+0x449/0x710 [ 1393.404314][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.404314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.404314][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.404314][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.404314][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.404314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.404314][ T10] [ 1393.405971][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1393.406236][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1393.406236][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.406236][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.406236][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.406236][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.406236][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.406236][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.406236][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.406236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.406236][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.406236][ T10] netlink_unicast+0x449/0x710 [ 1393.406236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.406236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.406236][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.406236][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.406236][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.406236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.406236][ T10] [ 1393.408214][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1393.408214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.408214][ T10] ipv6_find_idev+0x102/0x170 [ 1393.408214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.408214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.408214][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.408214][ T10] netlink_unicast+0x449/0x710 [ 1393.408214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.408214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.408214][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.408214][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.408214][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.408214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.408214][ T10] [ 1393.409728][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1393.409728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.409728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.409728][ T10] ipv6_find_idev+0x102/0x170 [ 1393.409728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.409728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.409728][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.409728][ T10] netlink_unicast+0x449/0x710 [ 1393.409728][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.409728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.409728][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.409728][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.409728][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.409728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.409728][ T10] [ 1393.411377][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1393.411636][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1393.411636][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.411636][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.411636][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.411636][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.411636][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.411636][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.411636][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.411636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.411636][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.411636][ T10] netlink_unicast+0x449/0x710 [ 1393.411636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.411636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.411636][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.411636][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.411636][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.411636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.411636][ T10] [ 1393.413600][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1393.413600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.413600][ T10] ipv6_find_idev+0x102/0x170 [ 1393.413600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.413600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.413600][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.413600][ T10] netlink_unicast+0x449/0x710 [ 1393.413600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.413600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.413600][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.413600][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.413600][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.413600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.413600][ T10] [ 1393.415112][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1393.415112][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.415112][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.415112][ T10] ipv6_find_idev+0x102/0x170 [ 1393.415112][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.415112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.415112][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.415112][ T10] netlink_unicast+0x449/0x710 [ 1393.415112][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.415112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.415112][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.415112][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.415112][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.415112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.415112][ T10] [ 1393.417183][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1393.417447][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1393.417447][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.417447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.417447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.417447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.417447][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.417447][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.417447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.417447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.417447][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.417447][ T10] netlink_unicast+0x449/0x710 [ 1393.417447][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.417447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.417447][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.417447][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.417447][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.417447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.417447][ T10] [ 1393.419391][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1393.419391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.419391][ T10] ipv6_find_idev+0x102/0x170 [ 1393.419391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.419391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.419391][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.419391][ T10] netlink_unicast+0x449/0x710 [ 1393.419391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.419391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.419391][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.419391][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.419391][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.419391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.419391][ T10] [ 1393.420905][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1393.420905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.420905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.420905][ T10] ipv6_find_idev+0x102/0x170 [ 1393.420905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.420905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.420905][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.420905][ T10] netlink_unicast+0x449/0x710 [ 1393.420905][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.420905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.420905][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.420905][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.420905][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.420905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.420905][ T10] [ 1393.422602][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1393.422865][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1393.422865][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.422865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.422865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.422865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.422865][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.422865][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.422865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.422865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.422865][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.422865][ T10] netlink_unicast+0x449/0x710 [ 1393.422865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.422865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.422865][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.422865][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.422865][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.422865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.422865][ T10] [ 1393.424933][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1393.424933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.424933][ T10] ipv6_find_idev+0x102/0x170 [ 1393.424933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.424933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.424933][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.424933][ T10] netlink_unicast+0x449/0x710 [ 1393.424933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.424933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.424933][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.424933][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.424933][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.424933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.424933][ T10] [ 1393.426685][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1393.426685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.426685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.426685][ T10] ipv6_find_idev+0x102/0x170 [ 1393.426685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.426685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.426685][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.426685][ T10] netlink_unicast+0x449/0x710 [ 1393.426685][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.426685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.426685][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.426685][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.426685][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.426685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.426685][ T10] [ 1393.428549][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1393.428808][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1393.428808][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.428808][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.428808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.428808][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.428808][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.428808][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.428808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.428808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.428808][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.428808][ T10] netlink_unicast+0x449/0x710 [ 1393.428808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.428808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.428808][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.428808][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.428808][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.428808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.428808][ T10] [ 1393.431006][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1393.431006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.431006][ T10] ipv6_find_idev+0x102/0x170 [ 1393.431006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.431006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.431006][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.431006][ T10] netlink_unicast+0x449/0x710 [ 1393.431006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.431006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.431006][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.431006][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.431006][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.431006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.431006][ T10] [ 1393.432692][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1393.432692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.432692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.432692][ T10] ipv6_find_idev+0x102/0x170 [ 1393.432692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.432692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.432692][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.432692][ T10] netlink_unicast+0x449/0x710 [ 1393.432692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.432692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.432692][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.432692][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.432692][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.432692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.432692][ T10] [ 1393.434694][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1393.435007][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1393.435007][ T10] netdev_get_by_index+0x5e/0x80 [ 1393.435007][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1393.435007][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1393.435007][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1393.435007][ T10] ipv6_add_addr+0x411/0x2000 [ 1393.435007][ T10] inet6_addr_add+0x30e/0xa40 [ 1393.435007][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1393.435007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.435007][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.435007][ T10] netlink_unicast+0x449/0x710 [ 1393.435007][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.435007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.435007][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.435007][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.435007][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.435007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.435007][ T10] [ 1393.437207][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1393.437207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1393.437207][ T10] ipv6_find_idev+0x102/0x170 [ 1393.437207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.437207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.437207][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.437207][ T10] netlink_unicast+0x449/0x710 [ 1393.437207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.437207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.437207][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.437207][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.437207][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.437207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.437207][ T10] [ 1393.438901][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1393.438901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1393.438901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1393.438901][ T10] ipv6_find_idev+0x102/0x170 [ 1393.438901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1393.438901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1393.438901][ T10] netlink_rcv_skb+0x130/0x360 [ 1393.438901][ T10] netlink_unicast+0x449/0x710 [ 1393.438901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1393.438901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1393.438901][ T10] ___sys_sendmsg+0xee/0x170 [ 1393.438901][ T10] __sys_sendmsg+0xcd/0x170 [ 1393.438901][ T10] do_syscall_64+0xc6/0x1e0 [ 1393.438901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1393.438901][ T10] [ 1403.683005][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1403.683460][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1403.683460][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.683460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.683460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.683460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.683460][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.683460][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.683460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.683460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.683460][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.683460][ T10] netlink_unicast+0x449/0x710 [ 1403.683460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.683460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.683460][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.683460][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.683460][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.683460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.683460][ T10] [ 1403.685449][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1403.685449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.685449][ T10] ipv6_find_idev+0x102/0x170 [ 1403.685449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.685449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.685449][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.685449][ T10] netlink_unicast+0x449/0x710 [ 1403.685449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.685449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.685449][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.685449][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.685449][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.685449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.685449][ T10] [ 1403.686969][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1403.686969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.686969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.686969][ T10] ipv6_find_idev+0x102/0x170 [ 1403.686969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.686969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.686969][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.686969][ T10] netlink_unicast+0x449/0x710 [ 1403.686969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.686969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.686969][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.686969][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.686969][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.686969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.686969][ T10] [ 1403.688628][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1403.688909][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1403.688909][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.688909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.688909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.688909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.688909][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.688909][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.688909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.688909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.688909][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.688909][ T10] netlink_unicast+0x449/0x710 [ 1403.688909][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.688909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.688909][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.688909][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.688909][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.688909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.688909][ T10] [ 1403.690890][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1403.690890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.690890][ T10] ipv6_find_idev+0x102/0x170 [ 1403.690890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.690890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.690890][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.690890][ T10] netlink_unicast+0x449/0x710 [ 1403.690890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.690890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.690890][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.690890][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.690890][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.690890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.690890][ T10] [ 1403.692401][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1403.692401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.692401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.692401][ T10] ipv6_find_idev+0x102/0x170 [ 1403.692401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.692401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.692401][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.692401][ T10] netlink_unicast+0x449/0x710 [ 1403.692401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.692401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.692401][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.692401][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.692401][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.692401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.692401][ T10] [ 1403.694063][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1403.694321][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1403.694321][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.694321][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.694321][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.694321][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.694321][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.694321][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.694321][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.694321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.694321][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.694321][ T10] netlink_unicast+0x449/0x710 [ 1403.694321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.694321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.694321][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.694321][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.694321][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.694321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.694321][ T10] [ 1403.696279][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1403.696279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.696279][ T10] ipv6_find_idev+0x102/0x170 [ 1403.696279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.696279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.696279][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.696279][ T10] netlink_unicast+0x449/0x710 [ 1403.696279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.696279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.696279][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.696279][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.696279][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.696279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.696279][ T10] [ 1403.697793][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1403.697793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.697793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.697793][ T10] ipv6_find_idev+0x102/0x170 [ 1403.697793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.697793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.697793][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.697793][ T10] netlink_unicast+0x449/0x710 [ 1403.697793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.697793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.697793][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.697793][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.697793][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.697793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.697793][ T10] [ 1403.699475][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1403.699737][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1403.699737][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.699737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.699737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.699737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.699737][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.699737][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.699737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.699737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.699737][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.699737][ T10] netlink_unicast+0x449/0x710 [ 1403.699737][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.699737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.699737][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.699737][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.699737][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.699737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.699737][ T10] [ 1403.701709][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1403.701709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.701709][ T10] ipv6_find_idev+0x102/0x170 [ 1403.701709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.701709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.701709][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.701709][ T10] netlink_unicast+0x449/0x710 [ 1403.701709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.701709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.701709][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.701709][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.701709][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.701709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.701709][ T10] [ 1403.703214][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1403.703214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.703214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.703214][ T10] ipv6_find_idev+0x102/0x170 [ 1403.703214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.703214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.703214][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.703214][ T10] netlink_unicast+0x449/0x710 [ 1403.703214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.703214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.703214][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.703214][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.703214][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.703214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.703214][ T10] [ 1403.705285][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1403.705548][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1403.705548][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.705548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.705548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.705548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.705548][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.705548][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.705548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.705548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.705548][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.705548][ T10] netlink_unicast+0x449/0x710 [ 1403.705548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.705548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.705548][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.705548][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.705548][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.705548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.705548][ T10] [ 1403.707499][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1403.707499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.707499][ T10] ipv6_find_idev+0x102/0x170 [ 1403.707499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.707499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.707499][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.707499][ T10] netlink_unicast+0x449/0x710 [ 1403.707499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.707499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.707499][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.707499][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.707499][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.707499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.707499][ T10] [ 1403.709017][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1403.709017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.709017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.709017][ T10] ipv6_find_idev+0x102/0x170 [ 1403.709017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.709017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.709017][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.709017][ T10] netlink_unicast+0x449/0x710 [ 1403.709017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.709017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.709017][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.709017][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.709017][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.709017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.709017][ T10] [ 1403.710700][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1403.711015][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1403.711015][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.711015][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.711015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.711015][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.711015][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.711015][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.711015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.711015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.711015][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.711015][ T10] netlink_unicast+0x449/0x710 [ 1403.711015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.711015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.711015][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.711015][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.711015][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.711015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.711015][ T10] [ 1403.713093][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1403.713093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.713093][ T10] ipv6_find_idev+0x102/0x170 [ 1403.713093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.713093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.713093][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.713093][ T10] netlink_unicast+0x449/0x710 [ 1403.713093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.713093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.713093][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.713093][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.713093][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.713093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.713093][ T10] [ 1403.714776][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1403.714776][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.714776][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.714776][ T10] ipv6_find_idev+0x102/0x170 [ 1403.714776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.714776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.714776][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.714776][ T10] netlink_unicast+0x449/0x710 [ 1403.714776][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.714776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.714776][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.714776][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.714776][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.714776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.714776][ T10] [ 1403.716707][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1403.717023][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1403.717023][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.717023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.717023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.717023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.717023][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.717023][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.717023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.717023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.717023][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.717023][ T10] netlink_unicast+0x449/0x710 [ 1403.717023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.717023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.717023][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.717023][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.717023][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.717023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.717023][ T10] [ 1403.719153][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1403.719153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.719153][ T10] ipv6_find_idev+0x102/0x170 [ 1403.719153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.719153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.719153][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.719153][ T10] netlink_unicast+0x449/0x710 [ 1403.719153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.719153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.719153][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.719153][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.719153][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.719153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.719153][ T10] [ 1403.720842][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1403.720842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.720842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.720842][ T10] ipv6_find_idev+0x102/0x170 [ 1403.720842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.720842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.720842][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.720842][ T10] netlink_unicast+0x449/0x710 [ 1403.720842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.720842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.720842][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.720842][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.720842][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.720842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.720842][ T10] [ 1403.722706][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1403.723019][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1403.723019][ T10] netdev_get_by_index+0x5e/0x80 [ 1403.723019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1403.723019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1403.723019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1403.723019][ T10] ipv6_add_addr+0x411/0x2000 [ 1403.723019][ T10] inet6_addr_add+0x30e/0xa40 [ 1403.723019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1403.723019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.723019][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.723019][ T10] netlink_unicast+0x449/0x710 [ 1403.723019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.723019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.723019][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.723019][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.723019][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.723019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.723019][ T10] [ 1403.725221][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1403.725221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1403.725221][ T10] ipv6_find_idev+0x102/0x170 [ 1403.725221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.725221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.725221][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.725221][ T10] netlink_unicast+0x449/0x710 [ 1403.725221][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.725221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.725221][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.725221][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.725221][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.725221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.725221][ T10] [ 1403.726910][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1403.726910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1403.726910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1403.726910][ T10] ipv6_find_idev+0x102/0x170 [ 1403.726910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1403.726910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1403.726910][ T10] netlink_rcv_skb+0x130/0x360 [ 1403.726910][ T10] netlink_unicast+0x449/0x710 [ 1403.726910][ T10] netlink_sendmsg+0x723/0xbe0 [ 1403.726910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1403.726910][ T10] ___sys_sendmsg+0xee/0x170 [ 1403.726910][ T10] __sys_sendmsg+0xcd/0x170 [ 1403.726910][ T10] do_syscall_64+0xc6/0x1e0 [ 1403.726910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1403.726910][ T10] [ 1413.970953][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1413.971399][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1413.971399][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.971399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1413.971399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.971399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1413.971399][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.971399][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.971399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.971399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.971399][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.971399][ T10] netlink_unicast+0x449/0x710 [ 1413.971399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.971399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.971399][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.971399][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.971399][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.971399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.971399][ T10] [ 1413.973383][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1413.973383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.973383][ T10] ipv6_find_idev+0x102/0x170 [ 1413.973383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.973383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.973383][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.973383][ T10] netlink_unicast+0x449/0x710 [ 1413.973383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.973383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.973383][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.973383][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.973383][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.973383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.973383][ T10] [ 1413.974914][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1413.974914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.974914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.974914][ T10] ipv6_find_idev+0x102/0x170 [ 1413.974914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.974914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.974914][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.974914][ T10] netlink_unicast+0x449/0x710 [ 1413.974914][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.974914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.974914][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.974914][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.974914][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.974914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.974914][ T10] [ 1413.976576][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1413.976853][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1413.976853][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.976853][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1413.976853][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.976853][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1413.976853][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.976853][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.976853][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.976853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.976853][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.976853][ T10] netlink_unicast+0x449/0x710 [ 1413.976853][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.976853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.976853][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.976853][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.976853][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.976853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.976853][ T10] [ 1413.978813][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1413.978813][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.978813][ T10] ipv6_find_idev+0x102/0x170 [ 1413.978813][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.978813][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.978813][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.978813][ T10] netlink_unicast+0x449/0x710 [ 1413.978813][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.978813][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.978813][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.978813][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.978813][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.978813][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.978813][ T10] [ 1413.980333][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1413.980333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.980333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.980333][ T10] ipv6_find_idev+0x102/0x170 [ 1413.980333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.980333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.980333][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.980333][ T10] netlink_unicast+0x449/0x710 [ 1413.980333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.980333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.980333][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.980333][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.980333][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.980333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.980333][ T10] [ 1413.981986][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1413.982244][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1413.982244][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.982244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1413.982244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.982244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1413.982244][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.982244][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.982244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.982244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.982244][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.982244][ T10] netlink_unicast+0x449/0x710 [ 1413.982244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.982244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.982244][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.982244][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.982244][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.982244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.982244][ T10] [ 1413.984199][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1413.984199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.984199][ T10] ipv6_find_idev+0x102/0x170 [ 1413.984199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.984199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.984199][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.984199][ T10] netlink_unicast+0x449/0x710 [ 1413.984199][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.984199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.984199][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.984199][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.984199][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.984199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.984199][ T10] [ 1413.985710][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1413.985710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.985710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.985710][ T10] ipv6_find_idev+0x102/0x170 [ 1413.985710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.985710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.985710][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.985710][ T10] netlink_unicast+0x449/0x710 [ 1413.985710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.985710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.985710][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.985710][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.985710][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.985710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.985710][ T10] [ 1413.987366][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1413.987624][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1413.987624][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.987624][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1413.987624][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.987624][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1413.987624][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.987624][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.987624][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.987624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.987624][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.987624][ T10] netlink_unicast+0x449/0x710 [ 1413.987624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.987624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.987624][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.987624][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.987624][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.987624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.987624][ T10] [ 1413.989577][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1413.989577][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.989577][ T10] ipv6_find_idev+0x102/0x170 [ 1413.989577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.989577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.989577][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.989577][ T10] netlink_unicast+0x449/0x710 [ 1413.989577][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.989577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.989577][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.989577][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.989577][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.989577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.989577][ T10] [ 1413.991083][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1413.991083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.991083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.991083][ T10] ipv6_find_idev+0x102/0x170 [ 1413.991083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.991083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.991083][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.991083][ T10] netlink_unicast+0x449/0x710 [ 1413.991083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.991083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.991083][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.991083][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.991083][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.991083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.991083][ T10] [ 1413.993136][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1413.993393][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1413.993393][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.993393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1413.993393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.993393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1413.993393][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.993393][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.993393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.993393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.993393][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.993393][ T10] netlink_unicast+0x449/0x710 [ 1413.993393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.993393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.993393][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.993393][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.993393][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.993393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.993393][ T10] [ 1413.995348][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1413.995348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1413.995348][ T10] ipv6_find_idev+0x102/0x170 [ 1413.995348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.995348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.995348][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.995348][ T10] netlink_unicast+0x449/0x710 [ 1413.995348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.995348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.995348][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.995348][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.995348][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.995348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.995348][ T10] [ 1413.996855][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1413.996855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1413.996855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1413.996855][ T10] ipv6_find_idev+0x102/0x170 [ 1413.996855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1413.996855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.996855][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.996855][ T10] netlink_unicast+0x449/0x710 [ 1413.996855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.996855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.996855][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.996855][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.996855][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.996855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.996855][ T10] [ 1413.998540][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1413.998807][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1413.998807][ T10] netdev_get_by_index+0x5e/0x80 [ 1413.998807][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1413.998807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1413.998807][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1413.998807][ T10] ipv6_add_addr+0x411/0x2000 [ 1413.998807][ T10] inet6_addr_add+0x30e/0xa40 [ 1413.998807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1413.998807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1413.998807][ T10] netlink_rcv_skb+0x130/0x360 [ 1413.998807][ T10] netlink_unicast+0x449/0x710 [ 1413.998807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1413.998807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1413.998807][ T10] ___sys_sendmsg+0xee/0x170 [ 1413.998807][ T10] __sys_sendmsg+0xcd/0x170 [ 1413.998807][ T10] do_syscall_64+0xc6/0x1e0 [ 1413.998807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1413.998807][ T10] [ 1414.000883][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1414.000883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1414.000883][ T10] ipv6_find_idev+0x102/0x170 [ 1414.000883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1414.000883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.000883][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.000883][ T10] netlink_unicast+0x449/0x710 [ 1414.000883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.000883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.000883][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.000883][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.000883][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.000883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.000883][ T10] [ 1414.002632][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1414.002632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1414.002632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1414.002632][ T10] ipv6_find_idev+0x102/0x170 [ 1414.002632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1414.002632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.002632][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.002632][ T10] netlink_unicast+0x449/0x710 [ 1414.002632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.002632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.002632][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.002632][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.002632][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.002632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.002632][ T10] [ 1414.004500][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1414.004766][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1414.004766][ T10] netdev_get_by_index+0x5e/0x80 [ 1414.004766][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1414.004766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1414.004766][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1414.004766][ T10] ipv6_add_addr+0x411/0x2000 [ 1414.004766][ T10] inet6_addr_add+0x30e/0xa40 [ 1414.004766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1414.004766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.004766][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.004766][ T10] netlink_unicast+0x449/0x710 [ 1414.004766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.004766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.004766][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.004766][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.004766][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.004766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.004766][ T10] [ 1414.006897][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1414.006897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1414.006897][ T10] ipv6_find_idev+0x102/0x170 [ 1414.006897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1414.006897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.006897][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.006897][ T10] netlink_unicast+0x449/0x710 [ 1414.006897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.006897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.006897][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.006897][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.006897][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.006897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.006897][ T10] [ 1414.008589][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1414.008589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1414.008589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1414.008589][ T10] ipv6_find_idev+0x102/0x170 [ 1414.008589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1414.008589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.008589][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.008589][ T10] netlink_unicast+0x449/0x710 [ 1414.008589][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.008589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.008589][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.008589][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.008589][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.008589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.008589][ T10] [ 1414.010452][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1414.010712][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1414.010712][ T10] netdev_get_by_index+0x5e/0x80 [ 1414.010712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1414.010712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1414.010712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1414.010712][ T10] ipv6_add_addr+0x411/0x2000 [ 1414.010712][ T10] inet6_addr_add+0x30e/0xa40 [ 1414.010712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1414.010712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.010712][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.010712][ T10] netlink_unicast+0x449/0x710 [ 1414.010712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.010712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.010712][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.010712][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.010712][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.010712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.010712][ T10] [ 1414.012960][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1414.012960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1414.012960][ T10] ipv6_find_idev+0x102/0x170 [ 1414.012960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1414.012960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.012960][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.012960][ T10] netlink_unicast+0x449/0x710 [ 1414.012960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.012960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.012960][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.012960][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.012960][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.012960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.012960][ T10] [ 1414.014654][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1414.014654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1414.014654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1414.014654][ T10] ipv6_find_idev+0x102/0x170 [ 1414.014654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1414.014654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1414.014654][ T10] netlink_rcv_skb+0x130/0x360 [ 1414.014654][ T10] netlink_unicast+0x449/0x710 [ 1414.014654][ T10] netlink_sendmsg+0x723/0xbe0 [ 1414.014654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1414.014654][ T10] ___sys_sendmsg+0xee/0x170 [ 1414.014654][ T10] __sys_sendmsg+0xcd/0x170 [ 1414.014654][ T10] do_syscall_64+0xc6/0x1e0 [ 1414.014654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1414.014654][ T10] [ 1424.258987][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1424.259434][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1424.259434][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.259434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.259434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.259434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.259434][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.259434][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.259434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.259434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.259434][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.259434][ T10] netlink_unicast+0x449/0x710 [ 1424.259434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.259434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.259434][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.259434][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.259434][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.259434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.259434][ T10] [ 1424.261417][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1424.261417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.261417][ T10] ipv6_find_idev+0x102/0x170 [ 1424.261417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.261417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.261417][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.261417][ T10] netlink_unicast+0x449/0x710 [ 1424.261417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.261417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.261417][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.261417][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.261417][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.261417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.261417][ T10] [ 1424.262923][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1424.262923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.262923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.262923][ T10] ipv6_find_idev+0x102/0x170 [ 1424.262923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.262923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.262923][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.262923][ T10] netlink_unicast+0x449/0x710 [ 1424.262923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.262923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.262923][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.262923][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.262923][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.262923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.262923][ T10] [ 1424.264572][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1424.264843][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1424.264843][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.264843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.264843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.264843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.264843][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.264843][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.264843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.264843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.264843][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.264843][ T10] netlink_unicast+0x449/0x710 [ 1424.264843][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.264843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.264843][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.264843][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.264843][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.264843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.264843][ T10] [ 1424.266808][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1424.266808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.266808][ T10] ipv6_find_idev+0x102/0x170 [ 1424.266808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.266808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.266808][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.266808][ T10] netlink_unicast+0x449/0x710 [ 1424.266808][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.266808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.266808][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.266808][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.266808][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.266808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.266808][ T10] [ 1424.268316][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1424.268316][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.268316][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.268316][ T10] ipv6_find_idev+0x102/0x170 [ 1424.268316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.268316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.268316][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.268316][ T10] netlink_unicast+0x449/0x710 [ 1424.268316][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.268316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.268316][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.268316][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.268316][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.268316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.268316][ T10] [ 1424.269965][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1424.270232][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1424.270232][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.270232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.270232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.270232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.270232][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.270232][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.270232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.270232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.270232][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.270232][ T10] netlink_unicast+0x449/0x710 [ 1424.270232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.270232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.270232][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.270232][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.270232][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.270232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.270232][ T10] [ 1424.272183][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1424.272183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.272183][ T10] ipv6_find_idev+0x102/0x170 [ 1424.272183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.272183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.272183][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.272183][ T10] netlink_unicast+0x449/0x710 [ 1424.272183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.272183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.272183][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.272183][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.272183][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.272183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.272183][ T10] [ 1424.273690][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1424.273690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.273690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.273690][ T10] ipv6_find_idev+0x102/0x170 [ 1424.273690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.273690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.273690][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.273690][ T10] netlink_unicast+0x449/0x710 [ 1424.273690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.273690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.273690][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.273690][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.273690][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.273690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.273690][ T10] [ 1424.275334][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1424.275593][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1424.275593][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.275593][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.275593][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.275593][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.275593][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.275593][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.275593][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.275593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.275593][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.275593][ T10] netlink_unicast+0x449/0x710 [ 1424.275593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.275593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.275593][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.275593][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.275593][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.275593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.275593][ T10] [ 1424.277553][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1424.277553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.277553][ T10] ipv6_find_idev+0x102/0x170 [ 1424.277553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.277553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.277553][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.277553][ T10] netlink_unicast+0x449/0x710 [ 1424.277553][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.277553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.277553][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.277553][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.277553][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.277553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.277553][ T10] [ 1424.279056][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1424.279056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.279056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.279056][ T10] ipv6_find_idev+0x102/0x170 [ 1424.279056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.279056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.279056][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.279056][ T10] netlink_unicast+0x449/0x710 [ 1424.279056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.279056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.279056][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.279056][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.279056][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.279056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.279056][ T10] [ 1424.281107][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1424.281365][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1424.281365][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.281365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.281365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.281365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.281365][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.281365][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.281365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.281365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.281365][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.281365][ T10] netlink_unicast+0x449/0x710 [ 1424.281365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.281365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.281365][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.281365][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.281365][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.281365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.281365][ T10] [ 1424.283310][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1424.283310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.283310][ T10] ipv6_find_idev+0x102/0x170 [ 1424.283310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.283310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.283310][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.283310][ T10] netlink_unicast+0x449/0x710 [ 1424.283310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.283310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.283310][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.283310][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.283310][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.283310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.283310][ T10] [ 1424.284812][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1424.284812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.284812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.284812][ T10] ipv6_find_idev+0x102/0x170 [ 1424.284812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.284812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.284812][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.284812][ T10] netlink_unicast+0x449/0x710 [ 1424.284812][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.284812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.284812][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.284812][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.284812][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.284812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.284812][ T10] [ 1424.286514][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1424.286773][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1424.286773][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.286773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.286773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.286773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.286773][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.286773][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.286773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.286773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.286773][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.286773][ T10] netlink_unicast+0x449/0x710 [ 1424.286773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.286773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.286773][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.286773][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.286773][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.286773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.286773][ T10] [ 1424.288844][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1424.288844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.288844][ T10] ipv6_find_idev+0x102/0x170 [ 1424.288844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.288844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.288844][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.288844][ T10] netlink_unicast+0x449/0x710 [ 1424.288844][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.288844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.288844][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.288844][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.288844][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.288844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.288844][ T10] [ 1424.290588][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1424.290588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.290588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.290588][ T10] ipv6_find_idev+0x102/0x170 [ 1424.290588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.290588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.290588][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.290588][ T10] netlink_unicast+0x449/0x710 [ 1424.290588][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.290588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.290588][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.290588][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.290588][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.290588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.290588][ T10] [ 1424.292449][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1424.292712][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1424.292712][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.292712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.292712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.292712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.292712][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.292712][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.292712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.292712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.292712][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.292712][ T10] netlink_unicast+0x449/0x710 [ 1424.292712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.292712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.292712][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.292712][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.292712][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.292712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.292712][ T10] [ 1424.294842][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1424.294842][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.294842][ T10] ipv6_find_idev+0x102/0x170 [ 1424.294842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.294842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.294842][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.294842][ T10] netlink_unicast+0x449/0x710 [ 1424.294842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.294842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.294842][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.294842][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.294842][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.294842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.294842][ T10] [ 1424.296529][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1424.296529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.296529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.296529][ T10] ipv6_find_idev+0x102/0x170 [ 1424.296529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.296529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.296529][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.296529][ T10] netlink_unicast+0x449/0x710 [ 1424.296529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.296529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.296529][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.296529][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.296529][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.296529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.296529][ T10] [ 1424.298390][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1424.298664][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1424.298664][ T10] netdev_get_by_index+0x5e/0x80 [ 1424.298664][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1424.298664][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1424.298664][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1424.298664][ T10] ipv6_add_addr+0x411/0x2000 [ 1424.298664][ T10] inet6_addr_add+0x30e/0xa40 [ 1424.298664][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1424.298664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.298664][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.298664][ T10] netlink_unicast+0x449/0x710 [ 1424.298664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.298664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.298664][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.298664][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.298664][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.298664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.298664][ T10] [ 1424.300911][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1424.300911][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1424.300911][ T10] ipv6_find_idev+0x102/0x170 [ 1424.300911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.300911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.300911][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.300911][ T10] netlink_unicast+0x449/0x710 [ 1424.300911][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.300911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.300911][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.300911][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.300911][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.300911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.300911][ T10] [ 1424.302596][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1424.302596][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1424.302596][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1424.302596][ T10] ipv6_find_idev+0x102/0x170 [ 1424.302596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1424.302596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1424.302596][ T10] netlink_rcv_skb+0x130/0x360 [ 1424.302596][ T10] netlink_unicast+0x449/0x710 [ 1424.302596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1424.302596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1424.302596][ T10] ___sys_sendmsg+0xee/0x170 [ 1424.302596][ T10] __sys_sendmsg+0xcd/0x170 [ 1424.302596][ T10] do_syscall_64+0xc6/0x1e0 [ 1424.302596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1424.302596][ T10] [ 1434.546996][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1434.547384][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1434.547384][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.547384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.547384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.547384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.547384][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.547384][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.547384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.547384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.547384][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.547384][ T10] netlink_unicast+0x449/0x710 [ 1434.547384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.547384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.547384][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.547384][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.547384][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.547384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.547384][ T10] [ 1434.549476][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1434.549476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.549476][ T10] ipv6_find_idev+0x102/0x170 [ 1434.549476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.549476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.549476][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.549476][ T10] netlink_unicast+0x449/0x710 [ 1434.549476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.549476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.549476][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.549476][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.549476][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.549476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.549476][ T10] [ 1434.550987][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1434.550987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.550987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.550987][ T10] ipv6_find_idev+0x102/0x170 [ 1434.550987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.550987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.550987][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.550987][ T10] netlink_unicast+0x449/0x710 [ 1434.550987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.550987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.550987][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.550987][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.550987][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.550987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.550987][ T10] [ 1434.552632][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1434.552917][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1434.552917][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.552917][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.552917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.552917][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.552917][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.552917][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.552917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.552917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.552917][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.552917][ T10] netlink_unicast+0x449/0x710 [ 1434.552917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.552917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.552917][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.552917][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.552917][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.552917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.552917][ T10] [ 1434.554886][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1434.554886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.554886][ T10] ipv6_find_idev+0x102/0x170 [ 1434.554886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.554886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.554886][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.554886][ T10] netlink_unicast+0x449/0x710 [ 1434.554886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.554886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.554886][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.554886][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.554886][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.554886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.554886][ T10] [ 1434.556408][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1434.556408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.556408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.556408][ T10] ipv6_find_idev+0x102/0x170 [ 1434.556408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.556408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.556408][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.556408][ T10] netlink_unicast+0x449/0x710 [ 1434.556408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.556408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.556408][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.556408][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.556408][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.556408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.556408][ T10] [ 1434.558058][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1434.558314][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1434.558314][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.558314][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.558314][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.558314][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.558314][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.558314][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.558314][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.558314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.558314][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.558314][ T10] netlink_unicast+0x449/0x710 [ 1434.558314][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.558314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.558314][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.558314][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.558314][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.558314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.558314][ T10] [ 1434.560365][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1434.560365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.560365][ T10] ipv6_find_idev+0x102/0x170 [ 1434.560365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.560365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.560365][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.560365][ T10] netlink_unicast+0x449/0x710 [ 1434.560365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.560365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.560365][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.560365][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.560365][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.560365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.560365][ T10] [ 1434.561883][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1434.561883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.561883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.561883][ T10] ipv6_find_idev+0x102/0x170 [ 1434.561883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.561883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.561883][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.561883][ T10] netlink_unicast+0x449/0x710 [ 1434.561883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.561883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.561883][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.561883][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.561883][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.561883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.561883][ T10] [ 1434.563521][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1434.563780][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1434.563780][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.563780][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.563780][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.563780][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.563780][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.563780][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.563780][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.563780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.563780][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.563780][ T10] netlink_unicast+0x449/0x710 [ 1434.563780][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.563780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.563780][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.563780][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.563780][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.563780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.563780][ T10] [ 1434.565734][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1434.565734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.565734][ T10] ipv6_find_idev+0x102/0x170 [ 1434.565734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.565734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.565734][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.565734][ T10] netlink_unicast+0x449/0x710 [ 1434.565734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.565734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.565734][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.565734][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.565734][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.565734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.565734][ T10] [ 1434.567245][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1434.567245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.567245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.567245][ T10] ipv6_find_idev+0x102/0x170 [ 1434.567245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.567245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.567245][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.567245][ T10] netlink_unicast+0x449/0x710 [ 1434.567245][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.567245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.567245][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.567245][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.567245][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.567245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.567245][ T10] [ 1434.569275][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1434.569532][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1434.569532][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.569532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.569532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.569532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.569532][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.569532][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.569532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.569532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.569532][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.569532][ T10] netlink_unicast+0x449/0x710 [ 1434.569532][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.569532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.569532][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.569532][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.569532][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.569532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.569532][ T10] [ 1434.571477][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1434.571477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.571477][ T10] ipv6_find_idev+0x102/0x170 [ 1434.571477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.571477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.571477][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.571477][ T10] netlink_unicast+0x449/0x710 [ 1434.571477][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.571477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.571477][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.571477][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.571477][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.571477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.571477][ T10] [ 1434.572981][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1434.572981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.572981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.572981][ T10] ipv6_find_idev+0x102/0x170 [ 1434.572981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.572981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.572981][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.572981][ T10] netlink_unicast+0x449/0x710 [ 1434.572981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.572981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.572981][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.572981][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.572981][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.572981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.572981][ T10] [ 1434.574666][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1434.574984][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1434.574984][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.574984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.574984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.574984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.574984][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.574984][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.574984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.574984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.574984][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.574984][ T10] netlink_unicast+0x449/0x710 [ 1434.574984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.574984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.574984][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.574984][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.574984][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.574984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.574984][ T10] [ 1434.577009][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1434.577009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.577009][ T10] ipv6_find_idev+0x102/0x170 [ 1434.577009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.577009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.577009][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.577009][ T10] netlink_unicast+0x449/0x710 [ 1434.577009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.577009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.577009][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.577009][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.577009][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.577009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.577009][ T10] [ 1434.578651][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1434.578651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.578651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.578651][ T10] ipv6_find_idev+0x102/0x170 [ 1434.578651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.578651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.578651][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.578651][ T10] netlink_unicast+0x449/0x710 [ 1434.578651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.578651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.578651][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.578651][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.578651][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.578651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.578651][ T10] [ 1434.580454][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1434.580713][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1434.580713][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.580713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.580713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.580713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.580713][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.580713][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.580713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.580713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.580713][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.580713][ T10] netlink_unicast+0x449/0x710 [ 1434.580713][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.580713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.580713][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.580713][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.580713][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.580713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.580713][ T10] [ 1434.582834][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1434.582834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.582834][ T10] ipv6_find_idev+0x102/0x170 [ 1434.582834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.582834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.582834][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.582834][ T10] netlink_unicast+0x449/0x710 [ 1434.582834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.582834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.582834][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.582834][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.582834][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.582834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.582834][ T10] [ 1434.584398][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1434.584398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.584398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.584398][ T10] ipv6_find_idev+0x102/0x170 [ 1434.584398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.584398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.584398][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.584398][ T10] netlink_unicast+0x449/0x710 [ 1434.584398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.584398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.584398][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.584398][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.584398][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.584398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.584398][ T10] [ 1434.586202][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1434.586467][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1434.586467][ T10] netdev_get_by_index+0x5e/0x80 [ 1434.586467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1434.586467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1434.586467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1434.586467][ T10] ipv6_add_addr+0x411/0x2000 [ 1434.586467][ T10] inet6_addr_add+0x30e/0xa40 [ 1434.586467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1434.586467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.586467][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.586467][ T10] netlink_unicast+0x449/0x710 [ 1434.586467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.586467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.586467][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.586467][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.586467][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.586467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.586467][ T10] [ 1434.588829][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1434.588829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1434.588829][ T10] ipv6_find_idev+0x102/0x170 [ 1434.588829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.588829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.588829][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.588829][ T10] netlink_unicast+0x449/0x710 [ 1434.588829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.588829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.588829][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.588829][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.588829][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.588829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.588829][ T10] [ 1434.590459][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1434.590459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1434.590459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1434.590459][ T10] ipv6_find_idev+0x102/0x170 [ 1434.590459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1434.590459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1434.590459][ T10] netlink_rcv_skb+0x130/0x360 [ 1434.590459][ T10] netlink_unicast+0x449/0x710 [ 1434.590459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1434.590459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1434.590459][ T10] ___sys_sendmsg+0xee/0x170 [ 1434.590459][ T10] __sys_sendmsg+0xcd/0x170 [ 1434.590459][ T10] do_syscall_64+0xc6/0x1e0 [ 1434.590459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1434.590459][ T10] [ 1444.834913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1444.835398][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1444.835398][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.835398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.835398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.835398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.835398][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.835398][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.835398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.835398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.835398][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.835398][ T10] netlink_unicast+0x449/0x710 [ 1444.835398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.835398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.835398][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.835398][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.835398][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.835398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.835398][ T10] [ 1444.837394][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1444.837394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.837394][ T10] ipv6_find_idev+0x102/0x170 [ 1444.837394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.837394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.837394][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.837394][ T10] netlink_unicast+0x449/0x710 [ 1444.837394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.837394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.837394][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.837394][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.837394][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.837394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.837394][ T10] [ 1444.838905][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1444.838905][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.838905][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.838905][ T10] ipv6_find_idev+0x102/0x170 [ 1444.838905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.838905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.838905][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.838905][ T10] netlink_unicast+0x449/0x710 [ 1444.838905][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.838905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.838905][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.838905][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.838905][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.838905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.838905][ T10] [ 1444.840562][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1444.840830][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1444.840830][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.840830][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.840830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.840830][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.840830][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.840830][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.840830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.840830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.840830][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.840830][ T10] netlink_unicast+0x449/0x710 [ 1444.840830][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.840830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.840830][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.840830][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.840830][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.840830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.840830][ T10] [ 1444.842772][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1444.842772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.842772][ T10] ipv6_find_idev+0x102/0x170 [ 1444.842772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.842772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.842772][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.842772][ T10] netlink_unicast+0x449/0x710 [ 1444.842772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.842772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.842772][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.842772][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.842772][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.842772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.842772][ T10] [ 1444.844279][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1444.844279][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.844279][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.844279][ T10] ipv6_find_idev+0x102/0x170 [ 1444.844279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.844279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.844279][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.844279][ T10] netlink_unicast+0x449/0x710 [ 1444.844279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.844279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.844279][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.844279][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.844279][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.844279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.844279][ T10] [ 1444.845922][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1444.846179][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1444.846179][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.846179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.846179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.846179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.846179][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.846179][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.846179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.846179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.846179][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.846179][ T10] netlink_unicast+0x449/0x710 [ 1444.846179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.846179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.846179][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.846179][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.846179][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.846179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.846179][ T10] [ 1444.848145][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1444.848145][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.848145][ T10] ipv6_find_idev+0x102/0x170 [ 1444.848145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.848145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.848145][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.848145][ T10] netlink_unicast+0x449/0x710 [ 1444.848145][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.848145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.848145][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.848145][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.848145][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.848145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.848145][ T10] [ 1444.849655][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1444.849655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.849655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.849655][ T10] ipv6_find_idev+0x102/0x170 [ 1444.849655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.849655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.849655][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.849655][ T10] netlink_unicast+0x449/0x710 [ 1444.849655][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.849655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.849655][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.849655][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.849655][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.849655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.849655][ T10] [ 1444.851305][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1444.851562][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1444.851562][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.851562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.851562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.851562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.851562][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.851562][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.851562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.851562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.851562][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.851562][ T10] netlink_unicast+0x449/0x710 [ 1444.851562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.851562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.851562][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.851562][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.851562][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.851562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.851562][ T10] [ 1444.853518][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1444.853518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.853518][ T10] ipv6_find_idev+0x102/0x170 [ 1444.853518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.853518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.853518][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.853518][ T10] netlink_unicast+0x449/0x710 [ 1444.853518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.853518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.853518][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.853518][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.853518][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.853518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.853518][ T10] [ 1444.855031][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1444.855031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.855031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.855031][ T10] ipv6_find_idev+0x102/0x170 [ 1444.855031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.855031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.855031][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.855031][ T10] netlink_unicast+0x449/0x710 [ 1444.855031][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.855031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.855031][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.855031][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.855031][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.855031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.855031][ T10] [ 1444.856688][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1444.857006][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1444.857006][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.857006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.857006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.857006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.857006][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.857006][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.857006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.857006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.857006][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.857006][ T10] netlink_unicast+0x449/0x710 [ 1444.857006][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.857006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.857006][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.857006][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.857006][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.857006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.857006][ T10] [ 1444.858963][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1444.858963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.858963][ T10] ipv6_find_idev+0x102/0x170 [ 1444.858963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.858963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.858963][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.858963][ T10] netlink_unicast+0x449/0x710 [ 1444.858963][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.858963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.858963][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.858963][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.858963][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.858963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.858963][ T10] [ 1444.860529][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1444.860529][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.860529][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.860529][ T10] ipv6_find_idev+0x102/0x170 [ 1444.860529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.860529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.860529][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.860529][ T10] netlink_unicast+0x449/0x710 [ 1444.860529][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.860529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.860529][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.860529][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.860529][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.860529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.860529][ T10] [ 1444.862389][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1444.862647][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1444.862647][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.862647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.862647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.862647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.862647][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.862647][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.862647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.862647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.862647][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.862647][ T10] netlink_unicast+0x449/0x710 [ 1444.862647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.862647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.862647][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.862647][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.862647][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.862647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.862647][ T10] [ 1444.864839][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1444.864839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.864839][ T10] ipv6_find_idev+0x102/0x170 [ 1444.864839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.864839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.864839][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.864839][ T10] netlink_unicast+0x449/0x710 [ 1444.864839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.864839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.864839][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.864839][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.864839][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.864839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.864839][ T10] [ 1444.866537][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1444.866537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.866537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.866537][ T10] ipv6_find_idev+0x102/0x170 [ 1444.866537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.866537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.866537][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.866537][ T10] netlink_unicast+0x449/0x710 [ 1444.866537][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.866537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.866537][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.866537][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.866537][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.866537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.866537][ T10] [ 1444.868461][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1444.868720][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1444.868720][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.868720][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.868720][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.868720][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.868720][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.868720][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.868720][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.868720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.868720][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.868720][ T10] netlink_unicast+0x449/0x710 [ 1444.868720][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.868720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.868720][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.868720][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.868720][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.868720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.868720][ T10] [ 1444.870846][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1444.870846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.870846][ T10] ipv6_find_idev+0x102/0x170 [ 1444.870846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.870846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.870846][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.870846][ T10] netlink_unicast+0x449/0x710 [ 1444.870846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.870846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.870846][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.870846][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.870846][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.870846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.870846][ T10] [ 1444.872525][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1444.872525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.872525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.872525][ T10] ipv6_find_idev+0x102/0x170 [ 1444.872525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.872525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.872525][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.872525][ T10] netlink_unicast+0x449/0x710 [ 1444.872525][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.872525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.872525][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.872525][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.872525][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.872525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.872525][ T10] [ 1444.874500][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1444.874760][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1444.874760][ T10] netdev_get_by_index+0x5e/0x80 [ 1444.874760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1444.874760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1444.874760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1444.874760][ T10] ipv6_add_addr+0x411/0x2000 [ 1444.874760][ T10] inet6_addr_add+0x30e/0xa40 [ 1444.874760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1444.874760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.874760][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.874760][ T10] netlink_unicast+0x449/0x710 [ 1444.874760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.874760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.874760][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.874760][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.874760][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.874760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.874760][ T10] [ 1444.876897][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1444.876897][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1444.876897][ T10] ipv6_find_idev+0x102/0x170 [ 1444.876897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.876897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.876897][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.876897][ T10] netlink_unicast+0x449/0x710 [ 1444.876897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.876897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.876897][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.876897][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.876897][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.876897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.876897][ T10] [ 1444.878584][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1444.878584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1444.878584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1444.878584][ T10] ipv6_find_idev+0x102/0x170 [ 1444.878584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1444.878584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1444.878584][ T10] netlink_rcv_skb+0x130/0x360 [ 1444.878584][ T10] netlink_unicast+0x449/0x710 [ 1444.878584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1444.878584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1444.878584][ T10] ___sys_sendmsg+0xee/0x170 [ 1444.878584][ T10] __sys_sendmsg+0xcd/0x170 [ 1444.878584][ T10] do_syscall_64+0xc6/0x1e0 [ 1444.878584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1444.878584][ T10] [ 1455.123020][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1455.123482][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1455.123482][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.123482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.123482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.123482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.123482][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.123482][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.123482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.123482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.123482][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.123482][ T10] netlink_unicast+0x449/0x710 [ 1455.123482][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.123482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.123482][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.123482][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.123482][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.123482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.123482][ T10] [ 1455.125456][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1455.125456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.125456][ T10] ipv6_find_idev+0x102/0x170 [ 1455.125456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.125456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.125456][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.125456][ T10] netlink_unicast+0x449/0x710 [ 1455.125456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.125456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.125456][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.125456][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.125456][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.125456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.125456][ T10] [ 1455.126980][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1455.126980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.126980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.126980][ T10] ipv6_find_idev+0x102/0x170 [ 1455.126980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.126980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.126980][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.126980][ T10] netlink_unicast+0x449/0x710 [ 1455.126980][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.126980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.126980][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.126980][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.126980][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.126980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.126980][ T10] [ 1455.128641][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1455.128915][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1455.128915][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.128915][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.128915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.128915][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.128915][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.128915][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.128915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.128915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.128915][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.128915][ T10] netlink_unicast+0x449/0x710 [ 1455.128915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.128915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.128915][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.128915][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.128915][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.128915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.128915][ T10] [ 1455.130867][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1455.130867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.130867][ T10] ipv6_find_idev+0x102/0x170 [ 1455.130867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.130867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.130867][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.130867][ T10] netlink_unicast+0x449/0x710 [ 1455.130867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.130867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.130867][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.130867][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.130867][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.130867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.130867][ T10] [ 1455.132378][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1455.132378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.132378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.132378][ T10] ipv6_find_idev+0x102/0x170 [ 1455.132378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.132378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.132378][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.132378][ T10] netlink_unicast+0x449/0x710 [ 1455.132378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.132378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.132378][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.132378][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.132378][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.132378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.132378][ T10] [ 1455.134023][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1455.134280][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1455.134280][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.134280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.134280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.134280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.134280][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.134280][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.134280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.134280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.134280][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.134280][ T10] netlink_unicast+0x449/0x710 [ 1455.134280][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.134280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.134280][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.134280][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.134280][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.134280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.134280][ T10] [ 1455.136241][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1455.136241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.136241][ T10] ipv6_find_idev+0x102/0x170 [ 1455.136241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.136241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.136241][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.136241][ T10] netlink_unicast+0x449/0x710 [ 1455.136241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.136241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.136241][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.136241][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.136241][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.136241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.136241][ T10] [ 1455.137753][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1455.137753][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.137753][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.137753][ T10] ipv6_find_idev+0x102/0x170 [ 1455.137753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.137753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.137753][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.137753][ T10] netlink_unicast+0x449/0x710 [ 1455.137753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.137753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.137753][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.137753][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.137753][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.137753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.137753][ T10] [ 1455.139513][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1455.139785][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1455.139785][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.139785][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.139785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.139785][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.139785][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.139785][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.139785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.139785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.139785][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.139785][ T10] netlink_unicast+0x449/0x710 [ 1455.139785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.139785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.139785][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.139785][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.139785][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.139785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.139785][ T10] [ 1455.141739][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1455.141739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.141739][ T10] ipv6_find_idev+0x102/0x170 [ 1455.141739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.141739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.141739][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.141739][ T10] netlink_unicast+0x449/0x710 [ 1455.141739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.141739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.141739][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.141739][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.141739][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.141739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.141739][ T10] [ 1455.143249][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1455.143249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.143249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.143249][ T10] ipv6_find_idev+0x102/0x170 [ 1455.143249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.143249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.143249][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.143249][ T10] netlink_unicast+0x449/0x710 [ 1455.143249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.143249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.143249][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.143249][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.143249][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.143249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.143249][ T10] [ 1455.144947][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1455.145204][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1455.145204][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.145204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.145204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.145204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.145204][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.145204][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.145204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.145204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.145204][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.145204][ T10] netlink_unicast+0x449/0x710 [ 1455.145204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.145204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.145204][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.145204][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.145204][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.145204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.145204][ T10] [ 1455.147167][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1455.147167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.147167][ T10] ipv6_find_idev+0x102/0x170 [ 1455.147167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.147167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.147167][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.147167][ T10] netlink_unicast+0x449/0x710 [ 1455.147167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.147167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.147167][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.147167][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.147167][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.147167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.147167][ T10] [ 1455.148675][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1455.148675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.148675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.148675][ T10] ipv6_find_idev+0x102/0x170 [ 1455.148675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.148675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.148675][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.148675][ T10] netlink_unicast+0x449/0x710 [ 1455.148675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.148675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.148675][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.148675][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.148675][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.148675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.148675][ T10] [ 1455.150600][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1455.150857][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1455.150857][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.150857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.150857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.150857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.150857][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.150857][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.150857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.150857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.150857][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.150857][ T10] netlink_unicast+0x449/0x710 [ 1455.150857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.150857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.150857][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.150857][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.150857][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.150857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.150857][ T10] [ 1455.152987][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1455.152987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.152987][ T10] ipv6_find_idev+0x102/0x170 [ 1455.152987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.152987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.152987][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.152987][ T10] netlink_unicast+0x449/0x710 [ 1455.152987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.152987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.152987][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.152987][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.152987][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.152987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.152987][ T10] [ 1455.154666][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1455.154666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.154666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.154666][ T10] ipv6_find_idev+0x102/0x170 [ 1455.154666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.154666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.154666][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.154666][ T10] netlink_unicast+0x449/0x710 [ 1455.154666][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.154666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.154666][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.154666][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.154666][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.154666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.154666][ T10] [ 1455.156592][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1455.156862][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1455.156862][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.156862][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.156862][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.156862][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.156862][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.156862][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.156862][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.156862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.156862][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.156862][ T10] netlink_unicast+0x449/0x710 [ 1455.156862][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.156862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.156862][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.156862][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.156862][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.156862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.156862][ T10] [ 1455.158988][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1455.158988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.158988][ T10] ipv6_find_idev+0x102/0x170 [ 1455.158988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.158988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.158988][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.158988][ T10] netlink_unicast+0x449/0x710 [ 1455.158988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.158988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.158988][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.158988][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.158988][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.158988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.158988][ T10] [ 1455.160747][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1455.160747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.160747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.160747][ T10] ipv6_find_idev+0x102/0x170 [ 1455.160747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.160747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.160747][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.160747][ T10] netlink_unicast+0x449/0x710 [ 1455.160747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.160747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.160747][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.160747][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.160747][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.160747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.160747][ T10] [ 1455.162654][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1455.162968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1455.162968][ T10] netdev_get_by_index+0x5e/0x80 [ 1455.162968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1455.162968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1455.162968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1455.162968][ T10] ipv6_add_addr+0x411/0x2000 [ 1455.162968][ T10] inet6_addr_add+0x30e/0xa40 [ 1455.162968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1455.162968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.162968][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.162968][ T10] netlink_unicast+0x449/0x710 [ 1455.162968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.162968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.162968][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.162968][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.162968][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.162968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.162968][ T10] [ 1455.165094][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1455.165094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1455.165094][ T10] ipv6_find_idev+0x102/0x170 [ 1455.165094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.165094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.165094][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.165094][ T10] netlink_unicast+0x449/0x710 [ 1455.165094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.165094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.165094][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.165094][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.165094][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.165094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.165094][ T10] [ 1455.166779][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1455.166779][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1455.166779][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1455.166779][ T10] ipv6_find_idev+0x102/0x170 [ 1455.166779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1455.166779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1455.166779][ T10] netlink_rcv_skb+0x130/0x360 [ 1455.166779][ T10] netlink_unicast+0x449/0x710 [ 1455.166779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1455.166779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1455.166779][ T10] ___sys_sendmsg+0xee/0x170 [ 1455.166779][ T10] __sys_sendmsg+0xcd/0x170 [ 1455.166779][ T10] do_syscall_64+0xc6/0x1e0 [ 1455.166779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1455.166779][ T10] [ 1465.410897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1465.411311][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1465.411311][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.411311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.411311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.411311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.411311][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.411311][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.411311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.411311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.411311][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.411311][ T10] netlink_unicast+0x449/0x710 [ 1465.411311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.411311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.411311][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.411311][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.411311][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.411311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.411311][ T10] [ 1465.413400][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1465.413400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.413400][ T10] ipv6_find_idev+0x102/0x170 [ 1465.413400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.413400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.413400][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.413400][ T10] netlink_unicast+0x449/0x710 [ 1465.413400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.413400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.413400][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.413400][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.413400][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.413400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.413400][ T10] [ 1465.414927][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1465.414927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.414927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.414927][ T10] ipv6_find_idev+0x102/0x170 [ 1465.414927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.414927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.414927][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.414927][ T10] netlink_unicast+0x449/0x710 [ 1465.414927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.414927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.414927][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.414927][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.414927][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.414927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.414927][ T10] [ 1465.416640][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1465.416921][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1465.416921][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.416921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.416921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.416921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.416921][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.416921][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.416921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.416921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.416921][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.416921][ T10] netlink_unicast+0x449/0x710 [ 1465.416921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.416921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.416921][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.416921][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.416921][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.416921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.416921][ T10] [ 1465.418933][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1465.418933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.418933][ T10] ipv6_find_idev+0x102/0x170 [ 1465.418933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.418933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.418933][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.418933][ T10] netlink_unicast+0x449/0x710 [ 1465.418933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.418933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.418933][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.418933][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.418933][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.418933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.418933][ T10] [ 1465.420453][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1465.420453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.420453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.420453][ T10] ipv6_find_idev+0x102/0x170 [ 1465.420453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.420453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.420453][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.420453][ T10] netlink_unicast+0x449/0x710 [ 1465.420453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.420453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.420453][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.420453][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.420453][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.420453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.420453][ T10] [ 1465.422128][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1465.422394][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1465.422394][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.422394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.422394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.422394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.422394][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.422394][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.422394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.422394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.422394][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.422394][ T10] netlink_unicast+0x449/0x710 [ 1465.422394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.422394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.422394][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.422394][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.422394][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.422394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.422394][ T10] [ 1465.424374][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1465.424374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.424374][ T10] ipv6_find_idev+0x102/0x170 [ 1465.424374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.424374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.424374][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.424374][ T10] netlink_unicast+0x449/0x710 [ 1465.424374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.424374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.424374][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.424374][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.424374][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.424374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.424374][ T10] [ 1465.425899][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1465.425899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.425899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.425899][ T10] ipv6_find_idev+0x102/0x170 [ 1465.425899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.425899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.425899][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.425899][ T10] netlink_unicast+0x449/0x710 [ 1465.425899][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.425899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.425899][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.425899][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.425899][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.425899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.425899][ T10] [ 1465.427570][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1465.427836][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1465.427836][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.427836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.427836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.427836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.427836][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.427836][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.427836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.427836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.427836][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.427836][ T10] netlink_unicast+0x449/0x710 [ 1465.427836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.427836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.427836][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.427836][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.427836][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.427836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.427836][ T10] [ 1465.429807][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1465.429807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.429807][ T10] ipv6_find_idev+0x102/0x170 [ 1465.429807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.429807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.429807][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.429807][ T10] netlink_unicast+0x449/0x710 [ 1465.429807][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.429807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.429807][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.429807][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.429807][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.429807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.429807][ T10] [ 1465.431333][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1465.431333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.431333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.431333][ T10] ipv6_find_idev+0x102/0x170 [ 1465.431333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.431333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.431333][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.431333][ T10] netlink_unicast+0x449/0x710 [ 1465.431333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.431333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.431333][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.431333][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.431333][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.431333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.431333][ T10] [ 1465.433399][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1465.434002][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1465.434002][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.434002][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.434002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.434002][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.434002][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.434002][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.434002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.434002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.434002][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.434002][ T10] netlink_unicast+0x449/0x710 [ 1465.434002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.434002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.434002][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.434002][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.434002][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.434002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.434002][ T10] [ 1465.435971][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1465.435971][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.435971][ T10] ipv6_find_idev+0x102/0x170 [ 1465.435971][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.435971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.435971][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.435971][ T10] netlink_unicast+0x449/0x710 [ 1465.435971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.435971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.435971][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.435971][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.435971][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.435971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.435971][ T10] [ 1465.437503][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1465.437503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.437503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.437503][ T10] ipv6_find_idev+0x102/0x170 [ 1465.437503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.437503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.437503][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.437503][ T10] netlink_unicast+0x449/0x710 [ 1465.437503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.437503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.437503][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.437503][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.437503][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.437503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.437503][ T10] [ 1465.439171][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1465.439440][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1465.439440][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.439440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.439440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.439440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.439440][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.439440][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.439440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.439440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.439440][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.439440][ T10] netlink_unicast+0x449/0x710 [ 1465.439440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.439440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.439440][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.439440][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.439440][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.439440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.439440][ T10] [ 1465.441412][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1465.441412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.441412][ T10] ipv6_find_idev+0x102/0x170 [ 1465.441412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.441412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.441412][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.441412][ T10] netlink_unicast+0x449/0x710 [ 1465.441412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.441412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.441412][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.441412][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.441412][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.441412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.441412][ T10] [ 1465.443057][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1465.443057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.443057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.443057][ T10] ipv6_find_idev+0x102/0x170 [ 1465.443057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.443057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.443057][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.443057][ T10] netlink_unicast+0x449/0x710 [ 1465.443057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.443057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.443057][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.443057][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.443057][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.443057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.443057][ T10] [ 1465.445003][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1465.445317][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1465.445317][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.445317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.445317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.445317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.445317][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.445317][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.445317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.445317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.445317][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.445317][ T10] netlink_unicast+0x449/0x710 [ 1465.445317][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.445317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.445317][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.445317][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.445317][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.445317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.445317][ T10] [ 1465.447481][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1465.447481][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.447481][ T10] ipv6_find_idev+0x102/0x170 [ 1465.447481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.447481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.447481][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.447481][ T10] netlink_unicast+0x449/0x710 [ 1465.447481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.447481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.447481][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.447481][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.447481][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.447481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.447481][ T10] [ 1465.449179][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1465.449179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.449179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.449179][ T10] ipv6_find_idev+0x102/0x170 [ 1465.449179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.449179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.449179][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.449179][ T10] netlink_unicast+0x449/0x710 [ 1465.449179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.449179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.449179][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.449179][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.449179][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.449179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.449179][ T10] [ 1465.451062][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1465.451377][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1465.451377][ T10] netdev_get_by_index+0x5e/0x80 [ 1465.451377][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1465.451377][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1465.451377][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1465.451377][ T10] ipv6_add_addr+0x411/0x2000 [ 1465.451377][ T10] inet6_addr_add+0x30e/0xa40 [ 1465.451377][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1465.451377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.451377][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.451377][ T10] netlink_unicast+0x449/0x710 [ 1465.451377][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.451377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.451377][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.451377][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.451377][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.451377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.451377][ T10] [ 1465.453531][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1465.453531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1465.453531][ T10] ipv6_find_idev+0x102/0x170 [ 1465.453531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.453531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.453531][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.453531][ T10] netlink_unicast+0x449/0x710 [ 1465.453531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.453531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.453531][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.453531][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.453531][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.453531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.453531][ T10] [ 1465.455323][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1465.455323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1465.455323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1465.455323][ T10] ipv6_find_idev+0x102/0x170 [ 1465.455323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1465.455323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1465.455323][ T10] netlink_rcv_skb+0x130/0x360 [ 1465.455323][ T10] netlink_unicast+0x449/0x710 [ 1465.455323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1465.455323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1465.455323][ T10] ___sys_sendmsg+0xee/0x170 [ 1465.455323][ T10] __sys_sendmsg+0xcd/0x170 [ 1465.455323][ T10] do_syscall_64+0xc6/0x1e0 [ 1465.455323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1465.455323][ T10] [ 1475.698992][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1475.699460][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1475.699460][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.699460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.699460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.699460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.699460][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.699460][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.699460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.699460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.699460][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.699460][ T10] netlink_unicast+0x449/0x710 [ 1475.699460][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.699460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.699460][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.699460][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.699460][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.699460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.699460][ T10] [ 1475.701443][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1475.701443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.701443][ T10] ipv6_find_idev+0x102/0x170 [ 1475.701443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.701443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.701443][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.701443][ T10] netlink_unicast+0x449/0x710 [ 1475.701443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.701443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.701443][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.701443][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.701443][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.701443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.701443][ T10] [ 1475.702954][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1475.702954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.702954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.702954][ T10] ipv6_find_idev+0x102/0x170 [ 1475.702954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.702954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.702954][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.702954][ T10] netlink_unicast+0x449/0x710 [ 1475.702954][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.702954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.702954][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.702954][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.702954][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.702954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.702954][ T10] [ 1475.704628][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1475.704912][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1475.704912][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.704912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.704912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.704912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.704912][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.704912][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.704912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.704912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.704912][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.704912][ T10] netlink_unicast+0x449/0x710 [ 1475.704912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.704912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.704912][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.704912][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.704912][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.704912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.704912][ T10] [ 1475.706884][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1475.706884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.706884][ T10] ipv6_find_idev+0x102/0x170 [ 1475.706884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.706884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.706884][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.706884][ T10] netlink_unicast+0x449/0x710 [ 1475.706884][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.706884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.706884][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.706884][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.706884][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.706884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.706884][ T10] [ 1475.708395][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1475.708395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.708395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.708395][ T10] ipv6_find_idev+0x102/0x170 [ 1475.708395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.708395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.708395][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.708395][ T10] netlink_unicast+0x449/0x710 [ 1475.708395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.708395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.708395][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.708395][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.708395][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.708395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.708395][ T10] [ 1475.710044][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1475.710303][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1475.710303][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.710303][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.710303][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.710303][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.710303][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.710303][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.710303][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.710303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.710303][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.710303][ T10] netlink_unicast+0x449/0x710 [ 1475.710303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.710303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.710303][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.710303][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.710303][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.710303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.710303][ T10] [ 1475.712261][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1475.712261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.712261][ T10] ipv6_find_idev+0x102/0x170 [ 1475.712261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.712261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.712261][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.712261][ T10] netlink_unicast+0x449/0x710 [ 1475.712261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.712261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.712261][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.712261][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.712261][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.712261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.712261][ T10] [ 1475.713764][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1475.713764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.713764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.713764][ T10] ipv6_find_idev+0x102/0x170 [ 1475.713764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.713764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.713764][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.713764][ T10] netlink_unicast+0x449/0x710 [ 1475.713764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.713764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.713764][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.713764][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.713764][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.713764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.713764][ T10] [ 1475.715403][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1475.715670][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1475.715670][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.715670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.715670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.715670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.715670][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.715670][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.715670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.715670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.715670][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.715670][ T10] netlink_unicast+0x449/0x710 [ 1475.715670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.715670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.715670][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.715670][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.715670][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.715670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.715670][ T10] [ 1475.717638][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1475.717638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.717638][ T10] ipv6_find_idev+0x102/0x170 [ 1475.717638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.717638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.717638][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.717638][ T10] netlink_unicast+0x449/0x710 [ 1475.717638][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.717638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.717638][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.717638][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.717638][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.717638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.717638][ T10] [ 1475.719142][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1475.719142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.719142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.719142][ T10] ipv6_find_idev+0x102/0x170 [ 1475.719142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.719142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.719142][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.719142][ T10] netlink_unicast+0x449/0x710 [ 1475.719142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.719142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.719142][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.719142][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.719142][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.719142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.719142][ T10] [ 1475.721208][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1475.721474][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1475.721474][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.721474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.721474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.721474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.721474][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.721474][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.721474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.721474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.721474][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.721474][ T10] netlink_unicast+0x449/0x710 [ 1475.721474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.721474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.721474][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.721474][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.721474][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.721474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.721474][ T10] [ 1475.723424][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1475.723424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.723424][ T10] ipv6_find_idev+0x102/0x170 [ 1475.723424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.723424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.723424][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.723424][ T10] netlink_unicast+0x449/0x710 [ 1475.723424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.723424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.723424][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.723424][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.723424][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.723424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.723424][ T10] [ 1475.724925][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1475.724925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.724925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.724925][ T10] ipv6_find_idev+0x102/0x170 [ 1475.724925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.724925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.724925][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.724925][ T10] netlink_unicast+0x449/0x710 [ 1475.724925][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.724925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.724925][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.724925][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.724925][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.724925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.724925][ T10] [ 1475.726619][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1475.726943][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1475.726943][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.726943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.726943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.726943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.726943][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.726943][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.726943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.726943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.726943][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.726943][ T10] netlink_unicast+0x449/0x710 [ 1475.726943][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.726943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.726943][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.726943][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.726943][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.726943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.726943][ T10] [ 1475.729021][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1475.729021][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.729021][ T10] ipv6_find_idev+0x102/0x170 [ 1475.729021][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.729021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.729021][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.729021][ T10] netlink_unicast+0x449/0x710 [ 1475.729021][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.729021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.729021][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.729021][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.729021][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.729021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.729021][ T10] [ 1475.730636][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1475.730636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.730636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.730636][ T10] ipv6_find_idev+0x102/0x170 [ 1475.730636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.730636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.730636][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.730636][ T10] netlink_unicast+0x449/0x710 [ 1475.730636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.730636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.730636][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.730636][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.730636][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.730636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.730636][ T10] [ 1475.732614][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1475.732878][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1475.732878][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.732878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.732878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.732878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.732878][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.732878][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.732878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.732878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.732878][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.732878][ T10] netlink_unicast+0x449/0x710 [ 1475.732878][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.732878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.732878][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.732878][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.732878][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.732878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.732878][ T10] [ 1475.735010][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1475.735010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.735010][ T10] ipv6_find_idev+0x102/0x170 [ 1475.735010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.735010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.735010][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.735010][ T10] netlink_unicast+0x449/0x710 [ 1475.735010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.735010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.735010][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.735010][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.735010][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.735010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.735010][ T10] [ 1475.736704][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1475.736704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.736704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.736704][ T10] ipv6_find_idev+0x102/0x170 [ 1475.736704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.736704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.736704][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.736704][ T10] netlink_unicast+0x449/0x710 [ 1475.736704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.736704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.736704][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.736704][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.736704][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.736704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.736704][ T10] [ 1475.738624][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1475.738889][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1475.738889][ T10] netdev_get_by_index+0x5e/0x80 [ 1475.738889][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1475.738889][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1475.738889][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1475.738889][ T10] ipv6_add_addr+0x411/0x2000 [ 1475.738889][ T10] inet6_addr_add+0x30e/0xa40 [ 1475.738889][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1475.738889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.738889][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.738889][ T10] netlink_unicast+0x449/0x710 [ 1475.738889][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.738889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.738889][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.738889][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.738889][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.738889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.738889][ T10] [ 1475.741015][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1475.741015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1475.741015][ T10] ipv6_find_idev+0x102/0x170 [ 1475.741015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.741015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.741015][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.741015][ T10] netlink_unicast+0x449/0x710 [ 1475.741015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.741015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.741015][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.741015][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.741015][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.741015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.741015][ T10] [ 1475.742758][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1475.742758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1475.742758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1475.742758][ T10] ipv6_find_idev+0x102/0x170 [ 1475.742758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1475.742758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1475.742758][ T10] netlink_rcv_skb+0x130/0x360 [ 1475.742758][ T10] netlink_unicast+0x449/0x710 [ 1475.742758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1475.742758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1475.742758][ T10] ___sys_sendmsg+0xee/0x170 [ 1475.742758][ T10] __sys_sendmsg+0xcd/0x170 [ 1475.742758][ T10] do_syscall_64+0xc6/0x1e0 [ 1475.742758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.742758][ T10] [ 1475.882987][ T42] INFO: task modprobe:1062 blocked for more than 1228 seconds. [ 1475.883328][ T42] Not tainted 6.8.0-virtme #1 [ 1475.883449][ T42] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1475.883644][ T42] task:modprobe state:D stack:25648 pid:1062 tgid:1062 ppid:62 flags:0x00004002 [ 1475.883918][ T42] Call Trace: [ 1475.884013][ T42] [ 1475.884087][ T42] __schedule+0x705/0x1ac0 [ 1475.884219][ T42] ? __pfx___schedule+0x10/0x10 [ 1475.884342][ T42] ? schedule+0x1a5/0x210 [ 1475.884441][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.884569][ T42] ? mark_lock+0x38/0x3e0 [ 1475.884661][ T42] ? do_raw_spin_lock+0x131/0x270 [ 1475.884787][ T42] ? schedule+0x1a5/0x210 [ 1475.884902][ T42] schedule+0xdf/0x210 [ 1475.884997][ T42] schedule_preempt_disabled+0x15/0x30 [ 1475.885120][ T42] rwsem_down_write_slowpath+0x3af/0xab0 [ 1475.885247][ T42] ? __pfx_rwsem_down_write_slowpath+0x10/0x10 [ 1475.885402][ T42] ? kasan_save_stack+0x34/0x50 [ 1475.885523][ T42] ? kasan_save_stack+0x24/0x50 [ 1475.885651][ T42] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1475.885779][ T42] ? lock_acquire+0x1c1/0x220 [ 1475.885910][ T42] ? register_pernet_subsys+0x1a/0x50 [ 1475.886039][ T42] down_write+0x1c9/0x200 [ 1475.886146][ T42] ? __pfx_down_write+0x10/0x10 [ 1475.886266][ T42] ? __pfx___lock_release+0x10/0x10 [ 1475.886393][ T42] ? __pfx_nf_tables_module_init+0x10/0x10 [nf_tables] [ 1475.886583][ T42] register_pernet_subsys+0x1a/0x50 [ 1475.886707][ T42] nf_tables_module_init+0x17/0x100 [nf_tables] [ 1475.886888][ T42] do_one_initcall+0xc8/0x3f0 [ 1475.887013][ T42] ? __pfx_do_one_initcall+0x10/0x10 [ 1475.887138][ T42] ? __create_object+0x5e/0xb0 [ 1475.887270][ T42] ? kasan_unpoison+0x27/0x60 [ 1475.887399][ T42] do_init_module+0x233/0x740 [ 1475.887532][ T42] load_module+0x16b5/0x2350 [ 1475.887666][ T42] ? __pfx_load_module+0x10/0x10 [ 1475.887791][ T42] ? kernel_read_file+0x3d2/0x520 [ 1475.887939][ T42] ? kernel_read_file+0x300/0x520 [ 1475.888066][ T42] ? __pfx_kernel_read_file+0x10/0x10 [ 1475.888200][ T42] ? init_module_from_file+0xd2/0x130 [ 1475.888320][ T42] init_module_from_file+0xd2/0x130 [ 1475.888444][ T42] ? __pfx_init_module_from_file+0x10/0x10 [ 1475.888597][ T42] ? __lock_release+0x103/0x460 [ 1475.888718][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.888862][ T42] ? idempotent_init_module+0x32a/0x620 [ 1475.888989][ T42] ? do_raw_spin_unlock+0x58/0x220 [ 1475.889114][ T42] idempotent_init_module+0x342/0x620 [ 1475.889238][ T42] ? __pfx_idempotent_init_module+0x10/0x10 [ 1475.889406][ T42] __x64_sys_finit_module+0xbe/0x130 [ 1475.889533][ T42] do_syscall_64+0xc6/0x1e0 [ 1475.889660][ T42] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1475.889813][ T42] RIP: 0033:0x7f81e06dce5d [ 1475.889945][ T42] RSP: 002b:00007ffd85d43c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 1475.890130][ T42] RAX: ffffffffffffffda RBX: 000055fc117f1e60 RCX: 00007f81e06dce5d [ 1475.890309][ T42] RDX: 0000000000000000 RSI: 000055fbdafeea2a RDI: 0000000000000000 [ 1475.890494][ T42] RBP: 0000000000040000 R08: 0000000000000000 R09: 000055fc117f2050 [ 1475.890675][ T42] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbdafeea2a [ 1475.890870][ T42] R13: 000055fc117f1f80 R14: 000055fc117f20c0 R15: 0000000000000000 [ 1475.891066][ T42] [ 1475.891157][ T42] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 1475.891368][ T42] [ 1475.891368][ T42] Showing all locks held in the system: [ 1475.891543][ T42] 3 locks held by kworker/u16:0/10: [ 1475.891661][ T42] #0: ffff8880018fa948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.891924][ T42] #1: ffffc900000afda0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.892144][ T42] #2: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbc/0xa20 [ 1475.892362][ T42] 1 lock held by khungtaskd/42: [ 1475.892480][ T42] #0: ffffffffb4769160 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x350 [ 1475.892698][ T42] 2 locks held by kworker/u20:1/62: [ 1475.892817][ T42] #0: ffff888001159d48 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0xfae/0x18a0 [ 1475.893067][ T42] #1: ffffc9000043fda0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x7cd/0x18a0 [ 1475.893344][ T42] 1 lock held by modprobe/1062: [ 1475.893459][ T42] #0: ffffffffb4f6bf10 (pernet_ops_rwsem){++++}-{3:3}, at: register_pernet_subsys+0x1a/0x50 [ 1475.893706][ T42] [ 1475.893765][ T42] ============================================= [ 1475.893765][ T42] [ 1485.986874][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1485.987324][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1485.987324][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.987324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1485.987324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.987324][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1485.987324][ T10] ipv6_add_addr+0x411/0x2000 [ 1485.987324][ T10] inet6_addr_add+0x30e/0xa40 [ 1485.987324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.987324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.987324][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.987324][ T10] netlink_unicast+0x449/0x710 [ 1485.987324][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.987324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.987324][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.987324][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.987324][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.987324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.987324][ T10] [ 1485.989320][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1485.989320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1485.989320][ T10] ipv6_find_idev+0x102/0x170 [ 1485.989320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.989320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.989320][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.989320][ T10] netlink_unicast+0x449/0x710 [ 1485.989320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.989320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.989320][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.989320][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.989320][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.989320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.989320][ T10] [ 1485.990841][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1485.990841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1485.990841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1485.990841][ T10] ipv6_find_idev+0x102/0x170 [ 1485.990841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.990841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.990841][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.990841][ T10] netlink_unicast+0x449/0x710 [ 1485.990841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.990841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.990841][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.990841][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.990841][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.990841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.990841][ T10] [ 1485.992508][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1485.992778][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1485.992778][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.992778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1485.992778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.992778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1485.992778][ T10] ipv6_add_addr+0x411/0x2000 [ 1485.992778][ T10] inet6_addr_add+0x30e/0xa40 [ 1485.992778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.992778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.992778][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.992778][ T10] netlink_unicast+0x449/0x710 [ 1485.992778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.992778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.992778][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.992778][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.992778][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.992778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.992778][ T10] [ 1485.994752][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1485.994752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1485.994752][ T10] ipv6_find_idev+0x102/0x170 [ 1485.994752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.994752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.994752][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.994752][ T10] netlink_unicast+0x449/0x710 [ 1485.994752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.994752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.994752][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.994752][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.994752][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.994752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.994752][ T10] [ 1485.996277][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1485.996277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1485.996277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1485.996277][ T10] ipv6_find_idev+0x102/0x170 [ 1485.996277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1485.996277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.996277][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.996277][ T10] netlink_unicast+0x449/0x710 [ 1485.996277][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.996277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.996277][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.996277][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.996277][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.996277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.996277][ T10] [ 1485.997967][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1485.998257][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1485.998257][ T10] netdev_get_by_index+0x5e/0x80 [ 1485.998257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1485.998257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1485.998257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1485.998257][ T10] ipv6_add_addr+0x411/0x2000 [ 1485.998257][ T10] inet6_addr_add+0x30e/0xa40 [ 1485.998257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1485.998257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1485.998257][ T10] netlink_rcv_skb+0x130/0x360 [ 1485.998257][ T10] netlink_unicast+0x449/0x710 [ 1485.998257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1485.998257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1485.998257][ T10] ___sys_sendmsg+0xee/0x170 [ 1485.998257][ T10] __sys_sendmsg+0xcd/0x170 [ 1485.998257][ T10] do_syscall_64+0xc6/0x1e0 [ 1485.998257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1485.998257][ T10] [ 1486.000224][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1486.000224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1486.000224][ T10] ipv6_find_idev+0x102/0x170 [ 1486.000224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.000224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.000224][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.000224][ T10] netlink_unicast+0x449/0x710 [ 1486.000224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.000224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.000224][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.000224][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.000224][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.000224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.000224][ T10] [ 1486.001744][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1486.001744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1486.001744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1486.001744][ T10] ipv6_find_idev+0x102/0x170 [ 1486.001744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.001744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.001744][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.001744][ T10] netlink_unicast+0x449/0x710 [ 1486.001744][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.001744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.001744][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.001744][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.001744][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.001744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.001744][ T10] [ 1486.003405][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1486.003674][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1486.003674][ T10] netdev_get_by_index+0x5e/0x80 [ 1486.003674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1486.003674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1486.003674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1486.003674][ T10] ipv6_add_addr+0x411/0x2000 [ 1486.003674][ T10] inet6_addr_add+0x30e/0xa40 [ 1486.003674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1486.003674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.003674][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.003674][ T10] netlink_unicast+0x449/0x710 [ 1486.003674][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.003674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.003674][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.003674][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.003674][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.003674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.003674][ T10] [ 1486.005640][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1486.005640][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1486.005640][ T10] ipv6_find_idev+0x102/0x170 [ 1486.005640][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.005640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.005640][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.005640][ T10] netlink_unicast+0x449/0x710 [ 1486.005640][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.005640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.005640][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.005640][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.005640][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.005640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.005640][ T10] [ 1486.007153][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1486.007153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1486.007153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1486.007153][ T10] ipv6_find_idev+0x102/0x170 [ 1486.007153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.007153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.007153][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.007153][ T10] netlink_unicast+0x449/0x710 [ 1486.007153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.007153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.007153][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.007153][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.007153][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.007153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.007153][ T10] [ 1486.009235][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1486.009501][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1486.009501][ T10] netdev_get_by_index+0x5e/0x80 [ 1486.009501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1486.009501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1486.009501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1486.009501][ T10] ipv6_add_addr+0x411/0x2000 [ 1486.009501][ T10] inet6_addr_add+0x30e/0xa40 [ 1486.009501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1486.009501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.009501][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.009501][ T10] netlink_unicast+0x449/0x710 [ 1486.009501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.009501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.009501][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.009501][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.009501][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.009501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.009501][ T10] [ 1486.011458][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1486.011458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1486.011458][ T10] ipv6_find_idev+0x102/0x170 [ 1486.011458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.011458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.011458][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.011458][ T10] netlink_unicast+0x449/0x710 [ 1486.011458][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.011458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.011458][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.011458][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.011458][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.011458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.011458][ T10] [ 1486.012966][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1486.012966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1486.012966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1486.012966][ T10] ipv6_find_idev+0x102/0x170 [ 1486.012966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.012966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.012966][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.012966][ T10] netlink_unicast+0x449/0x710 [ 1486.012966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.012966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.012966][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.012966][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.012966][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.012966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.012966][ T10] [ 1486.014677][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1486.014994][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1486.014994][ T10] netdev_get_by_index+0x5e/0x80 [ 1486.014994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1486.014994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1486.014994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1486.014994][ T10] ipv6_add_addr+0x411/0x2000 [ 1486.014994][ T10] inet6_addr_add+0x30e/0xa40 [ 1486.014994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1486.014994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.014994][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.014994][ T10] netlink_unicast+0x449/0x710 [ 1486.014994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.014994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.014994][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.014994][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.014994][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.014994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.014994][ T10] [ 1486.017099][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1486.017099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1486.017099][ T10] ipv6_find_idev+0x102/0x170 [ 1486.017099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.017099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.017099][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.017099][ T10] netlink_unicast+0x449/0x710 [ 1486.017099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.017099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.017099][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.017099][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.017099][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.017099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.017099][ T10] [ 1486.019321][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1486.019321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1486.019321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1486.019321][ T10] ipv6_find_idev+0x102/0x170 [ 1486.019321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.019321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.019321][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.019321][ T10] netlink_unicast+0x449/0x710 [ 1486.019321][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.019321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.019321][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.019321][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.019321][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.019321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.019321][ T10] [ 1486.021259][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1486.021524][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1486.021524][ T10] netdev_get_by_index+0x5e/0x80 [ 1486.021524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1486.021524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1486.021524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1486.021524][ T10] ipv6_add_addr+0x411/0x2000 [ 1486.021524][ T10] inet6_addr_add+0x30e/0xa40 [ 1486.021524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1486.021524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.021524][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.021524][ T10] netlink_unicast+0x449/0x710 [ 1486.021524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.021524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.021524][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.021524][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.021524][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.021524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.021524][ T10] [ 1486.023677][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1486.023677][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1486.023677][ T10] ipv6_find_idev+0x102/0x170 [ 1486.023677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.023677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.023677][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.023677][ T10] netlink_unicast+0x449/0x710 [ 1486.023677][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.023677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.023677][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.023677][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.023677][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.023677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.023677][ T10] [ 1486.025366][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1486.025366][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1486.025366][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1486.025366][ T10] ipv6_find_idev+0x102/0x170 [ 1486.025366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.025366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.025366][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.025366][ T10] netlink_unicast+0x449/0x710 [ 1486.025366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.025366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.025366][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.025366][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.025366][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.025366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.025366][ T10] [ 1486.027313][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1486.027581][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1486.027581][ T10] netdev_get_by_index+0x5e/0x80 [ 1486.027581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1486.027581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1486.027581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1486.027581][ T10] ipv6_add_addr+0x411/0x2000 [ 1486.027581][ T10] inet6_addr_add+0x30e/0xa40 [ 1486.027581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1486.027581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.027581][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.027581][ T10] netlink_unicast+0x449/0x710 [ 1486.027581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.027581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.027581][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.027581][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.027581][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.027581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.027581][ T10] [ 1486.029800][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1486.029800][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1486.029800][ T10] ipv6_find_idev+0x102/0x170 [ 1486.029800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.029800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.029800][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.029800][ T10] netlink_unicast+0x449/0x710 [ 1486.029800][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.029800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.029800][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.029800][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.029800][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.029800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.029800][ T10] [ 1486.031494][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1486.031494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1486.031494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1486.031494][ T10] ipv6_find_idev+0x102/0x170 [ 1486.031494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1486.031494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1486.031494][ T10] netlink_rcv_skb+0x130/0x360 [ 1486.031494][ T10] netlink_unicast+0x449/0x710 [ 1486.031494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1486.031494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1486.031494][ T10] ___sys_sendmsg+0xee/0x170 [ 1486.031494][ T10] __sys_sendmsg+0xcd/0x170 [ 1486.031494][ T10] do_syscall_64+0xc6/0x1e0 [ 1486.031494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1486.031494][ T10] [ 1496.274986][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1496.275486][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1496.275486][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.275486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.275486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.275486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.275486][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.275486][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.275486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.275486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.275486][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.275486][ T10] netlink_unicast+0x449/0x710 [ 1496.275486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.275486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.275486][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.275486][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.275486][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.275486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.275486][ T10] [ 1496.277538][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1496.277538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.277538][ T10] ipv6_find_idev+0x102/0x170 [ 1496.277538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.277538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.277538][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.277538][ T10] netlink_unicast+0x449/0x710 [ 1496.277538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.277538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.277538][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.277538][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.277538][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.277538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.277538][ T10] [ 1496.279082][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1496.279082][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.279082][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.279082][ T10] ipv6_find_idev+0x102/0x170 [ 1496.279082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.279082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.279082][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.279082][ T10] netlink_unicast+0x449/0x710 [ 1496.279082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.279082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.279082][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.279082][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.279082][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.279082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.279082][ T10] [ 1496.280879][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1496.281174][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1496.281174][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.281174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.281174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.281174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.281174][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.281174][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.281174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.281174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.281174][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.281174][ T10] netlink_unicast+0x449/0x710 [ 1496.281174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.281174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.281174][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.281174][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.281174][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.281174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.281174][ T10] [ 1496.283292][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1496.283292][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.283292][ T10] ipv6_find_idev+0x102/0x170 [ 1496.283292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.283292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.283292][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.283292][ T10] netlink_unicast+0x449/0x710 [ 1496.283292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.283292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.283292][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.283292][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.283292][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.283292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.283292][ T10] [ 1496.284882][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1496.284882][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.284882][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.284882][ T10] ipv6_find_idev+0x102/0x170 [ 1496.284882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.284882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.284882][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.284882][ T10] netlink_unicast+0x449/0x710 [ 1496.284882][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.284882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.284882][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.284882][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.284882][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.284882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.284882][ T10] [ 1496.286686][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1496.287002][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1496.287002][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.287002][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.287002][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.287002][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.287002][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.287002][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.287002][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.287002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.287002][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.287002][ T10] netlink_unicast+0x449/0x710 [ 1496.287002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.287002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.287002][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.287002][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.287002][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.287002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.287002][ T10] [ 1496.289077][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1496.289077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.289077][ T10] ipv6_find_idev+0x102/0x170 [ 1496.289077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.289077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.289077][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.289077][ T10] netlink_unicast+0x449/0x710 [ 1496.289077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.289077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.289077][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.289077][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.289077][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.289077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.289077][ T10] [ 1496.290664][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1496.290664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.290664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.290664][ T10] ipv6_find_idev+0x102/0x170 [ 1496.290664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.290664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.290664][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.290664][ T10] netlink_unicast+0x449/0x710 [ 1496.290664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.290664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.290664][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.290664][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.290664][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.290664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.290664][ T10] [ 1496.292425][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1496.292726][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1496.292726][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.292726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.292726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.292726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.292726][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.292726][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.292726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.292726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.292726][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.292726][ T10] netlink_unicast+0x449/0x710 [ 1496.292726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.292726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.292726][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.292726][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.292726][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.292726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.292726][ T10] [ 1496.294814][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1496.294814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.294814][ T10] ipv6_find_idev+0x102/0x170 [ 1496.294814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.294814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.294814][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.294814][ T10] netlink_unicast+0x449/0x710 [ 1496.294814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.294814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.294814][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.294814][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.294814][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.294814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.294814][ T10] [ 1496.296440][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1496.296440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.296440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.296440][ T10] ipv6_find_idev+0x102/0x170 [ 1496.296440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.296440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.296440][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.296440][ T10] netlink_unicast+0x449/0x710 [ 1496.296440][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.296440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.296440][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.296440][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.296440][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.296440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.296440][ T10] [ 1496.298123][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1496.298386][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1496.298386][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.298386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.298386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.298386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.298386][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.298386][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.298386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.298386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.298386][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.298386][ T10] netlink_unicast+0x449/0x710 [ 1496.298386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.298386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.298386][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.298386][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.298386][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.298386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.298386][ T10] [ 1496.300404][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1496.300404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.300404][ T10] ipv6_find_idev+0x102/0x170 [ 1496.300404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.300404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.300404][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.300404][ T10] netlink_unicast+0x449/0x710 [ 1496.300404][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.300404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.300404][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.300404][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.300404][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.300404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.300404][ T10] [ 1496.302023][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1496.302023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.302023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.302023][ T10] ipv6_find_idev+0x102/0x170 [ 1496.302023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.302023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.302023][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.302023][ T10] netlink_unicast+0x449/0x710 [ 1496.302023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.302023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.302023][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.302023][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.302023][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.302023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.302023][ T10] [ 1496.304101][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1496.304378][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1496.304378][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.304378][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.304378][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.304378][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.304378][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.304378][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.304378][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.304378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.304378][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.304378][ T10] netlink_unicast+0x449/0x710 [ 1496.304378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.304378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.304378][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.304378][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.304378][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.304378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.304378][ T10] [ 1496.306693][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1496.306693][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.306693][ T10] ipv6_find_idev+0x102/0x170 [ 1496.306693][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.306693][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.306693][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.306693][ T10] netlink_unicast+0x449/0x710 [ 1496.306693][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.306693][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.306693][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.306693][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.306693][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.306693][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.306693][ T10] [ 1496.308475][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1496.308475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.308475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.308475][ T10] ipv6_find_idev+0x102/0x170 [ 1496.308475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.308475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.308475][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.308475][ T10] netlink_unicast+0x449/0x710 [ 1496.308475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.308475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.308475][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.308475][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.308475][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.308475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.308475][ T10] [ 1496.310452][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1496.310739][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1496.310739][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.310739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.310739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.310739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.310739][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.310739][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.310739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.310739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.310739][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.310739][ T10] netlink_unicast+0x449/0x710 [ 1496.310739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.310739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.310739][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.310739][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.310739][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.310739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.310739][ T10] [ 1496.313001][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1496.313001][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.313001][ T10] ipv6_find_idev+0x102/0x170 [ 1496.313001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.313001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.313001][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.313001][ T10] netlink_unicast+0x449/0x710 [ 1496.313001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.313001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.313001][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.313001][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.313001][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.313001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.313001][ T10] [ 1496.314803][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1496.314803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.314803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.314803][ T10] ipv6_find_idev+0x102/0x170 [ 1496.314803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.314803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.314803][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.314803][ T10] netlink_unicast+0x449/0x710 [ 1496.314803][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.314803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.314803][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.314803][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.314803][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.314803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.314803][ T10] [ 1496.316828][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1496.317170][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1496.317170][ T10] netdev_get_by_index+0x5e/0x80 [ 1496.317170][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1496.317170][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1496.317170][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1496.317170][ T10] ipv6_add_addr+0x411/0x2000 [ 1496.317170][ T10] inet6_addr_add+0x30e/0xa40 [ 1496.317170][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1496.317170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.317170][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.317170][ T10] netlink_unicast+0x449/0x710 [ 1496.317170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.317170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.317170][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.317170][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.317170][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.317170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.317170][ T10] [ 1496.319343][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1496.319343][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1496.319343][ T10] ipv6_find_idev+0x102/0x170 [ 1496.319343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.319343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.319343][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.319343][ T10] netlink_unicast+0x449/0x710 [ 1496.319343][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.319343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.319343][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.319343][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.319343][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.319343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.319343][ T10] [ 1496.321049][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1496.321049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1496.321049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1496.321049][ T10] ipv6_find_idev+0x102/0x170 [ 1496.321049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1496.321049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1496.321049][ T10] netlink_rcv_skb+0x130/0x360 [ 1496.321049][ T10] netlink_unicast+0x449/0x710 [ 1496.321049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1496.321049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1496.321049][ T10] ___sys_sendmsg+0xee/0x170 [ 1496.321049][ T10] __sys_sendmsg+0xcd/0x170 [ 1496.321049][ T10] do_syscall_64+0xc6/0x1e0 [ 1496.321049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1496.321049][ T10] [ 1506.434975][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1506.435631][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1506.435631][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.435631][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.435631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.435631][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.435631][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.435631][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.435631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.435631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.435631][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.435631][ T10] netlink_unicast+0x449/0x710 [ 1506.435631][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.435631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.435631][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.435631][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.435631][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.435631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.435631][ T10] [ 1506.438753][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1506.438753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.438753][ T10] ipv6_find_idev+0x102/0x170 [ 1506.438753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.438753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.438753][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.438753][ T10] netlink_unicast+0x449/0x710 [ 1506.438753][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.438753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.438753][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.438753][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.438753][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.438753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.438753][ T10] [ 1506.441185][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1506.441185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.441185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.441185][ T10] ipv6_find_idev+0x102/0x170 [ 1506.441185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.441185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.441185][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.441185][ T10] netlink_unicast+0x449/0x710 [ 1506.441185][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.441185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.441185][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.441185][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.441185][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.441185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.441185][ T10] [ 1506.443806][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1506.444293][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1506.444293][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.444293][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.444293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.444293][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.444293][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.444293][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.444293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.444293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.444293][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.444293][ T10] netlink_unicast+0x449/0x710 [ 1506.444293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.444293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.444293][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.444293][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.444293][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.444293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.444293][ T10] [ 1506.447338][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1506.447338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.447338][ T10] ipv6_find_idev+0x102/0x170 [ 1506.447338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.447338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.447338][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.447338][ T10] netlink_unicast+0x449/0x710 [ 1506.447338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.447338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.447338][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.447338][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.447338][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.447338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.447338][ T10] [ 1506.449637][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1506.449637][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.449637][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.449637][ T10] ipv6_find_idev+0x102/0x170 [ 1506.449637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.449637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.449637][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.449637][ T10] netlink_unicast+0x449/0x710 [ 1506.449637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.449637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.449637][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.449637][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.449637][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.449637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.449637][ T10] [ 1506.452093][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1506.452502][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1506.452502][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.452502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.452502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.452502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.452502][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.452502][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.452502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.452502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.452502][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.452502][ T10] netlink_unicast+0x449/0x710 [ 1506.452502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.452502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.452502][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.452502][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.452502][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.452502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.452502][ T10] [ 1506.455434][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1506.455434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.455434][ T10] ipv6_find_idev+0x102/0x170 [ 1506.455434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.455434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.455434][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.455434][ T10] netlink_unicast+0x449/0x710 [ 1506.455434][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.455434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.455434][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.455434][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.455434][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.455434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.455434][ T10] [ 1506.457202][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1506.457202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.457202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.457202][ T10] ipv6_find_idev+0x102/0x170 [ 1506.457202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.457202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.457202][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.457202][ T10] netlink_unicast+0x449/0x710 [ 1506.457202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.457202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.457202][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.457202][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.457202][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.457202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.457202][ T10] [ 1506.458924][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1506.459204][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1506.459204][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.459204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.459204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.459204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.459204][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.459204][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.459204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.459204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.459204][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.459204][ T10] netlink_unicast+0x449/0x710 [ 1506.459204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.459204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.459204][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.459204][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.459204][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.459204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.459204][ T10] [ 1506.461189][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1506.461189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.461189][ T10] ipv6_find_idev+0x102/0x170 [ 1506.461189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.461189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.461189][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.461189][ T10] netlink_unicast+0x449/0x710 [ 1506.461189][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.461189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.461189][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.461189][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.461189][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.461189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.461189][ T10] [ 1506.462704][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1506.462704][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.462704][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.462704][ T10] ipv6_find_idev+0x102/0x170 [ 1506.462704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.462704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.462704][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.462704][ T10] netlink_unicast+0x449/0x710 [ 1506.462704][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.462704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.462704][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.462704][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.462704][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.462704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.462704][ T10] [ 1506.464820][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1506.465455][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1506.465455][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.465455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.465455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.465455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.465455][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.465455][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.465455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.465455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.465455][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.465455][ T10] netlink_unicast+0x449/0x710 [ 1506.465455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.465455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.465455][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.465455][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.465455][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.465455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.465455][ T10] [ 1506.467442][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1506.467442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.467442][ T10] ipv6_find_idev+0x102/0x170 [ 1506.467442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.467442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.467442][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.467442][ T10] netlink_unicast+0x449/0x710 [ 1506.467442][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.467442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.467442][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.467442][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.467442][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.467442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.467442][ T10] [ 1506.468970][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1506.468970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.468970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.468970][ T10] ipv6_find_idev+0x102/0x170 [ 1506.468970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.468970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.468970][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.468970][ T10] netlink_unicast+0x449/0x710 [ 1506.468970][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.468970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.468970][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.468970][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.468970][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.468970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.468970][ T10] [ 1506.470679][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1506.471014][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1506.471014][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.471014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.471014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.471014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.471014][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.471014][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.471014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.471014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.471014][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.471014][ T10] netlink_unicast+0x449/0x710 [ 1506.471014][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.471014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.471014][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.471014][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.471014][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.471014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.471014][ T10] [ 1506.472994][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1506.472994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.472994][ T10] ipv6_find_idev+0x102/0x170 [ 1506.472994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.472994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.472994][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.472994][ T10] netlink_unicast+0x449/0x710 [ 1506.472994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.472994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.472994][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.472994][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.472994][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.472994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.472994][ T10] [ 1506.474516][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1506.474516][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.474516][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.474516][ T10] ipv6_find_idev+0x102/0x170 [ 1506.474516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.474516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.474516][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.474516][ T10] netlink_unicast+0x449/0x710 [ 1506.474516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.474516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.474516][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.474516][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.474516][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.474516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.474516][ T10] [ 1506.476553][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1506.476821][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1506.476821][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.476821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.476821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.476821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.476821][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.476821][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.476821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.476821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.476821][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.476821][ T10] netlink_unicast+0x449/0x710 [ 1506.476821][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.476821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.476821][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.476821][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.476821][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.476821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.476821][ T10] [ 1506.478979][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1506.478979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.478979][ T10] ipv6_find_idev+0x102/0x170 [ 1506.478979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.478979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.478979][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.478979][ T10] netlink_unicast+0x449/0x710 [ 1506.478979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.478979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.478979][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.478979][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.478979][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.478979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.478979][ T10] [ 1506.480680][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1506.480680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.480680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.480680][ T10] ipv6_find_idev+0x102/0x170 [ 1506.480680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.480680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.480680][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.480680][ T10] netlink_unicast+0x449/0x710 [ 1506.480680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.480680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.480680][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.480680][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.480680][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.480680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.480680][ T10] [ 1506.482657][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1506.482986][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1506.482986][ T10] netdev_get_by_index+0x5e/0x80 [ 1506.482986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1506.482986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1506.482986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1506.482986][ T10] ipv6_add_addr+0x411/0x2000 [ 1506.482986][ T10] inet6_addr_add+0x30e/0xa40 [ 1506.482986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1506.482986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.482986][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.482986][ T10] netlink_unicast+0x449/0x710 [ 1506.482986][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.482986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.482986][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.482986][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.482986][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.482986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.482986][ T10] [ 1506.485146][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1506.485146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1506.485146][ T10] ipv6_find_idev+0x102/0x170 [ 1506.485146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.485146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.485146][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.485146][ T10] netlink_unicast+0x449/0x710 [ 1506.485146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.485146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.485146][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.485146][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.485146][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.485146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.485146][ T10] [ 1506.486968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1506.486968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1506.486968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1506.486968][ T10] ipv6_find_idev+0x102/0x170 [ 1506.486968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1506.486968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1506.486968][ T10] netlink_rcv_skb+0x130/0x360 [ 1506.486968][ T10] netlink_unicast+0x449/0x710 [ 1506.486968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1506.486968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1506.486968][ T10] ___sys_sendmsg+0xee/0x170 [ 1506.486968][ T10] __sys_sendmsg+0xcd/0x170 [ 1506.486968][ T10] do_syscall_64+0xc6/0x1e0 [ 1506.486968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1506.486968][ T10] [ 1516.706988][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1516.707557][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1516.707557][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.707557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.707557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.707557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.707557][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.707557][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.707557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.707557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.707557][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.707557][ T10] netlink_unicast+0x449/0x710 [ 1516.707557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.707557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.707557][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.707557][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.707557][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.707557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.707557][ T10] [ 1516.709814][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1516.709814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.709814][ T10] ipv6_find_idev+0x102/0x170 [ 1516.709814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.709814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.709814][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.709814][ T10] netlink_unicast+0x449/0x710 [ 1516.709814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.709814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.709814][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.709814][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.709814][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.709814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.709814][ T10] [ 1516.711550][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1516.711550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.711550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.711550][ T10] ipv6_find_idev+0x102/0x170 [ 1516.711550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.711550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.711550][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.711550][ T10] netlink_unicast+0x449/0x710 [ 1516.711550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.711550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.711550][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.711550][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.711550][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.711550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.711550][ T10] [ 1516.713457][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1516.713755][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1516.713755][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.713755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.713755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.713755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.713755][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.713755][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.713755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.713755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.713755][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.713755][ T10] netlink_unicast+0x449/0x710 [ 1516.713755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.713755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.713755][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.713755][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.713755][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.713755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.713755][ T10] [ 1516.716019][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1516.716019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.716019][ T10] ipv6_find_idev+0x102/0x170 [ 1516.716019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.716019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.716019][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.716019][ T10] netlink_unicast+0x449/0x710 [ 1516.716019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.716019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.716019][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.716019][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.716019][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.716019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.716019][ T10] [ 1516.717734][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1516.717734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.717734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.717734][ T10] ipv6_find_idev+0x102/0x170 [ 1516.717734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.717734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.717734][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.717734][ T10] netlink_unicast+0x449/0x710 [ 1516.717734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.717734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.717734][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.717734][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.717734][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.717734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.717734][ T10] [ 1516.719610][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1516.719906][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1516.719906][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.719906][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.719906][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.719906][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.719906][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.719906][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.719906][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.719906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.719906][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.719906][ T10] netlink_unicast+0x449/0x710 [ 1516.719906][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.719906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.719906][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.719906][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.719906][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.719906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.719906][ T10] [ 1516.722148][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1516.722148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.722148][ T10] ipv6_find_idev+0x102/0x170 [ 1516.722148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.722148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.722148][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.722148][ T10] netlink_unicast+0x449/0x710 [ 1516.722148][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.722148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.722148][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.722148][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.722148][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.722148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.722148][ T10] [ 1516.723871][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1516.723871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.723871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.723871][ T10] ipv6_find_idev+0x102/0x170 [ 1516.723871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.723871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.723871][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.723871][ T10] netlink_unicast+0x449/0x710 [ 1516.723871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.723871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.723871][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.723871][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.723871][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.723871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.723871][ T10] [ 1516.725751][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1516.726066][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1516.726066][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.726066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.726066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.726066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.726066][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.726066][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.726066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.726066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.726066][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.726066][ T10] netlink_unicast+0x449/0x710 [ 1516.726066][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.726066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.726066][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.726066][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.726066][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.726066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.726066][ T10] [ 1516.728309][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1516.728309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.728309][ T10] ipv6_find_idev+0x102/0x170 [ 1516.728309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.728309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.728309][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.728309][ T10] netlink_unicast+0x449/0x710 [ 1516.728309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.728309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.728309][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.728309][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.728309][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.728309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.728309][ T10] [ 1516.730019][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1516.730019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.730019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.730019][ T10] ipv6_find_idev+0x102/0x170 [ 1516.730019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.730019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.730019][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.730019][ T10] netlink_unicast+0x449/0x710 [ 1516.730019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.730019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.730019][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.730019][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.730019][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.730019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.730019][ T10] [ 1516.731899][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1516.732184][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1516.732184][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.732184][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.732184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.732184][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.732184][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.732184][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.732184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.732184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.732184][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.732184][ T10] netlink_unicast+0x449/0x710 [ 1516.732184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.732184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.732184][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.732184][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.732184][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.732184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.732184][ T10] [ 1516.734412][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1516.734412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.734412][ T10] ipv6_find_idev+0x102/0x170 [ 1516.734412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.734412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.734412][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.734412][ T10] netlink_unicast+0x449/0x710 [ 1516.734412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.734412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.734412][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.734412][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.734412][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.734412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.734412][ T10] [ 1516.736217][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1516.736217][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.736217][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.736217][ T10] ipv6_find_idev+0x102/0x170 [ 1516.736217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.736217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.736217][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.736217][ T10] netlink_unicast+0x449/0x710 [ 1516.736217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.736217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.736217][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.736217][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.736217][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.736217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.736217][ T10] [ 1516.738324][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1516.738626][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1516.738626][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.738626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.738626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.738626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.738626][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.738626][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.738626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.738626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.738626][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.738626][ T10] netlink_unicast+0x449/0x710 [ 1516.738626][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.738626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.738626][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.738626][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.738626][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.738626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.738626][ T10] [ 1516.741159][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1516.741159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.741159][ T10] ipv6_find_idev+0x102/0x170 [ 1516.741159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.741159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.741159][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.741159][ T10] netlink_unicast+0x449/0x710 [ 1516.741159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.741159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.741159][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.741159][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.741159][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.741159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.741159][ T10] [ 1516.743068][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1516.743068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.743068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.743068][ T10] ipv6_find_idev+0x102/0x170 [ 1516.743068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.743068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.743068][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.743068][ T10] netlink_unicast+0x449/0x710 [ 1516.743068][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.743068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.743068][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.743068][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.743068][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.743068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.743068][ T10] [ 1516.745177][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1516.745463][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1516.745463][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.745463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.745463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.745463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.745463][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.745463][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.745463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.745463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.745463][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.745463][ T10] netlink_unicast+0x449/0x710 [ 1516.745463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.745463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.745463][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.745463][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.745463][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.745463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.745463][ T10] [ 1516.747956][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1516.747956][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.747956][ T10] ipv6_find_idev+0x102/0x170 [ 1516.747956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.747956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.747956][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.747956][ T10] netlink_unicast+0x449/0x710 [ 1516.747956][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.747956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.747956][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.747956][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.747956][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.747956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.747956][ T10] [ 1516.749864][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1516.749864][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.749864][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.749864][ T10] ipv6_find_idev+0x102/0x170 [ 1516.749864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.749864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.749864][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.749864][ T10] netlink_unicast+0x449/0x710 [ 1516.749864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.749864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.749864][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.749864][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.749864][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.749864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.749864][ T10] [ 1516.752035][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1516.752324][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1516.752324][ T10] netdev_get_by_index+0x5e/0x80 [ 1516.752324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1516.752324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1516.752324][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1516.752324][ T10] ipv6_add_addr+0x411/0x2000 [ 1516.752324][ T10] inet6_addr_add+0x30e/0xa40 [ 1516.752324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1516.752324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.752324][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.752324][ T10] netlink_unicast+0x449/0x710 [ 1516.752324][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.752324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.752324][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.752324][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.752324][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.752324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.752324][ T10] [ 1516.754798][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1516.754798][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1516.754798][ T10] ipv6_find_idev+0x102/0x170 [ 1516.754798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.754798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.754798][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.754798][ T10] netlink_unicast+0x449/0x710 [ 1516.754798][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.754798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.754798][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.754798][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.754798][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.754798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.754798][ T10] [ 1516.756688][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1516.756688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1516.756688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1516.756688][ T10] ipv6_find_idev+0x102/0x170 [ 1516.756688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1516.756688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1516.756688][ T10] netlink_rcv_skb+0x130/0x360 [ 1516.756688][ T10] netlink_unicast+0x449/0x710 [ 1516.756688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1516.756688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1516.756688][ T10] ___sys_sendmsg+0xee/0x170 [ 1516.756688][ T10] __sys_sendmsg+0xcd/0x170 [ 1516.756688][ T10] do_syscall_64+0xc6/0x1e0 [ 1516.756688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1516.756688][ T10] [ 1526.866926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1526.867450][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1526.867450][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.867450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.867450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.867450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.867450][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.867450][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.867450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.867450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.867450][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.867450][ T10] netlink_unicast+0x449/0x710 [ 1526.867450][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.867450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.867450][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.867450][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.867450][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.867450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.867450][ T10] [ 1526.869700][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1526.869700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.869700][ T10] ipv6_find_idev+0x102/0x170 [ 1526.869700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.869700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.869700][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.869700][ T10] netlink_unicast+0x449/0x710 [ 1526.869700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.869700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.869700][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.869700][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.869700][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.869700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.869700][ T10] [ 1526.871432][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1526.871432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.871432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.871432][ T10] ipv6_find_idev+0x102/0x170 [ 1526.871432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.871432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.871432][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.871432][ T10] netlink_unicast+0x449/0x710 [ 1526.871432][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.871432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.871432][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.871432][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.871432][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.871432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.871432][ T10] [ 1526.873320][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1526.873611][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1526.873611][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.873611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.873611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.873611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.873611][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.873611][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.873611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.873611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.873611][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.873611][ T10] netlink_unicast+0x449/0x710 [ 1526.873611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.873611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.873611][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.873611][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.873611][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.873611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.873611][ T10] [ 1526.875849][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1526.875849][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.875849][ T10] ipv6_find_idev+0x102/0x170 [ 1526.875849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.875849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.875849][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.875849][ T10] netlink_unicast+0x449/0x710 [ 1526.875849][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.875849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.875849][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.875849][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.875849][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.875849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.875849][ T10] [ 1526.877581][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1526.877581][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.877581][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.877581][ T10] ipv6_find_idev+0x102/0x170 [ 1526.877581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.877581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.877581][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.877581][ T10] netlink_unicast+0x449/0x710 [ 1526.877581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.877581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.877581][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.877581][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.877581][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.877581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.877581][ T10] [ 1526.879467][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1526.879759][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1526.879759][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.879759][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.879759][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.879759][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.879759][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.879759][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.879759][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.879759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.879759][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.879759][ T10] netlink_unicast+0x449/0x710 [ 1526.879759][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.879759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.879759][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.879759][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.879759][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.879759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.879759][ T10] [ 1526.882003][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1526.882003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.882003][ T10] ipv6_find_idev+0x102/0x170 [ 1526.882003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.882003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.882003][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.882003][ T10] netlink_unicast+0x449/0x710 [ 1526.882003][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.882003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.882003][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.882003][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.882003][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.882003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.882003][ T10] [ 1526.883731][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1526.883731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.883731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.883731][ T10] ipv6_find_idev+0x102/0x170 [ 1526.883731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.883731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.883731][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.883731][ T10] netlink_unicast+0x449/0x710 [ 1526.883731][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.883731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.883731][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.883731][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.883731][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.883731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.883731][ T10] [ 1526.885591][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1526.885890][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1526.885890][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.885890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.885890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.885890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.885890][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.885890][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.885890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.885890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.885890][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.885890][ T10] netlink_unicast+0x449/0x710 [ 1526.885890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.885890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.885890][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.885890][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.885890][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.885890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.885890][ T10] [ 1526.888107][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1526.888107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.888107][ T10] ipv6_find_idev+0x102/0x170 [ 1526.888107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.888107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.888107][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.888107][ T10] netlink_unicast+0x449/0x710 [ 1526.888107][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.888107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.888107][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.888107][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.888107][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.888107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.888107][ T10] [ 1526.889834][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1526.889834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.889834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.889834][ T10] ipv6_find_idev+0x102/0x170 [ 1526.889834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.889834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.889834][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.889834][ T10] netlink_unicast+0x449/0x710 [ 1526.889834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.889834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.889834][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.889834][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.889834][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.889834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.889834][ T10] [ 1526.892151][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1526.892443][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1526.892443][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.892443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.892443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.892443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.892443][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.892443][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.892443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.892443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.892443][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.892443][ T10] netlink_unicast+0x449/0x710 [ 1526.892443][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.892443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.892443][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.892443][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.892443][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.892443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.892443][ T10] [ 1526.894672][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1526.894672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.894672][ T10] ipv6_find_idev+0x102/0x170 [ 1526.894672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.894672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.894672][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.894672][ T10] netlink_unicast+0x449/0x710 [ 1526.894672][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.894672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.894672][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.894672][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.894672][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.894672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.894672][ T10] [ 1526.896418][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1526.896418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.896418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.896418][ T10] ipv6_find_idev+0x102/0x170 [ 1526.896418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.896418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.896418][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.896418][ T10] netlink_unicast+0x449/0x710 [ 1526.896418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.896418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.896418][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.896418][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.896418][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.896418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.896418][ T10] [ 1526.898355][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1526.898646][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1526.898646][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.898646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.898646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.898646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.898646][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.898646][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.898646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.898646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.898646][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.898646][ T10] netlink_unicast+0x449/0x710 [ 1526.898646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.898646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.898646][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.898646][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.898646][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.898646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.898646][ T10] [ 1526.901015][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1526.901015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.901015][ T10] ipv6_find_idev+0x102/0x170 [ 1526.901015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.901015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.901015][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.901015][ T10] netlink_unicast+0x449/0x710 [ 1526.901015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.901015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.901015][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.901015][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.901015][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.901015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.901015][ T10] [ 1526.902960][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1526.902960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.902960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.902960][ T10] ipv6_find_idev+0x102/0x170 [ 1526.902960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.902960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.902960][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.902960][ T10] netlink_unicast+0x449/0x710 [ 1526.902960][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.902960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.902960][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.902960][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.902960][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.902960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.902960][ T10] [ 1526.905062][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1526.905349][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1526.905349][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.905349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.905349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.905349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.905349][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.905349][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.905349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.905349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.905349][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.905349][ T10] netlink_unicast+0x449/0x710 [ 1526.905349][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.905349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.905349][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.905349][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.905349][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.905349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.905349][ T10] [ 1526.907871][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1526.907871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.907871][ T10] ipv6_find_idev+0x102/0x170 [ 1526.907871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.907871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.907871][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.907871][ T10] netlink_unicast+0x449/0x710 [ 1526.907871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.907871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.907871][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.907871][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.907871][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.907871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.907871][ T10] [ 1526.909772][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1526.909772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.909772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.909772][ T10] ipv6_find_idev+0x102/0x170 [ 1526.909772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.909772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.909772][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.909772][ T10] netlink_unicast+0x449/0x710 [ 1526.909772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.909772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.909772][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.909772][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.909772][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.909772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.909772][ T10] [ 1526.911911][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1526.912213][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1526.912213][ T10] netdev_get_by_index+0x5e/0x80 [ 1526.912213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1526.912213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1526.912213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1526.912213][ T10] ipv6_add_addr+0x411/0x2000 [ 1526.912213][ T10] inet6_addr_add+0x30e/0xa40 [ 1526.912213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1526.912213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.912213][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.912213][ T10] netlink_unicast+0x449/0x710 [ 1526.912213][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.912213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.912213][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.912213][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.912213][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.912213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.912213][ T10] [ 1526.914743][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1526.914743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1526.914743][ T10] ipv6_find_idev+0x102/0x170 [ 1526.914743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.914743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.914743][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.914743][ T10] netlink_unicast+0x449/0x710 [ 1526.914743][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.914743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.914743][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.914743][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.914743][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.914743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.914743][ T10] [ 1526.916647][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1526.916647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1526.916647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1526.916647][ T10] ipv6_find_idev+0x102/0x170 [ 1526.916647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1526.916647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1526.916647][ T10] netlink_rcv_skb+0x130/0x360 [ 1526.916647][ T10] netlink_unicast+0x449/0x710 [ 1526.916647][ T10] netlink_sendmsg+0x723/0xbe0 [ 1526.916647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1526.916647][ T10] ___sys_sendmsg+0xee/0x170 [ 1526.916647][ T10] __sys_sendmsg+0xcd/0x170 [ 1526.916647][ T10] do_syscall_64+0xc6/0x1e0 [ 1526.916647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1526.916647][ T10] [ 1537.154972][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1537.155469][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1537.155469][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.155469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.155469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.155469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.155469][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.155469][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.155469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.155469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.155469][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.155469][ T10] netlink_unicast+0x449/0x710 [ 1537.155469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.155469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.155469][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.155469][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.155469][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.155469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.155469][ T10] [ 1537.158223][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1537.158223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.158223][ T10] ipv6_find_idev+0x102/0x170 [ 1537.158223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.158223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.158223][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.158223][ T10] netlink_unicast+0x449/0x710 [ 1537.158223][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.158223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.158223][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.158223][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.158223][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.158223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.158223][ T10] [ 1537.159755][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1537.159755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.159755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.159755][ T10] ipv6_find_idev+0x102/0x170 [ 1537.159755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.159755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.159755][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.159755][ T10] netlink_unicast+0x449/0x710 [ 1537.159755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.159755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.159755][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.159755][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.159755][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.159755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.159755][ T10] [ 1537.161450][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1537.161722][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1537.161722][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.161722][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.161722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.161722][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.161722][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.161722][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.161722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.161722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.161722][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.161722][ T10] netlink_unicast+0x449/0x710 [ 1537.161722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.161722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.161722][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.161722][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.161722][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.161722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.161722][ T10] [ 1537.163689][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1537.163689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.163689][ T10] ipv6_find_idev+0x102/0x170 [ 1537.163689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.163689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.163689][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.163689][ T10] netlink_unicast+0x449/0x710 [ 1537.163689][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.163689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.163689][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.163689][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.163689][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.163689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.163689][ T10] [ 1537.165220][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1537.165220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.165220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.165220][ T10] ipv6_find_idev+0x102/0x170 [ 1537.165220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.165220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.165220][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.165220][ T10] netlink_unicast+0x449/0x710 [ 1537.165220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.165220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.165220][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.165220][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.165220][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.165220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.165220][ T10] [ 1537.166903][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1537.167163][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1537.167163][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.167163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.167163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.167163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.167163][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.167163][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.167163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.167163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.167163][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.167163][ T10] netlink_unicast+0x449/0x710 [ 1537.167163][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.167163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.167163][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.167163][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.167163][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.167163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.167163][ T10] [ 1537.169137][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1537.169137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.169137][ T10] ipv6_find_idev+0x102/0x170 [ 1537.169137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.169137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.169137][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.169137][ T10] netlink_unicast+0x449/0x710 [ 1537.169137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.169137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.169137][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.169137][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.169137][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.169137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.169137][ T10] [ 1537.170660][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1537.170660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.170660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.170660][ T10] ipv6_find_idev+0x102/0x170 [ 1537.170660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.170660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.170660][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.170660][ T10] netlink_unicast+0x449/0x710 [ 1537.170660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.170660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.170660][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.170660][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.170660][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.170660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.170660][ T10] [ 1537.172313][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1537.172583][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1537.172583][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.172583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.172583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.172583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.172583][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.172583][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.172583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.172583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.172583][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.172583][ T10] netlink_unicast+0x449/0x710 [ 1537.172583][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.172583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.172583][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.172583][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.172583][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.172583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.172583][ T10] [ 1537.174542][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1537.174542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.174542][ T10] ipv6_find_idev+0x102/0x170 [ 1537.174542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.174542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.174542][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.174542][ T10] netlink_unicast+0x449/0x710 [ 1537.174542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.174542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.174542][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.174542][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.174542][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.174542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.174542][ T10] [ 1537.176117][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1537.176117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.176117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.176117][ T10] ipv6_find_idev+0x102/0x170 [ 1537.176117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.176117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.176117][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.176117][ T10] netlink_unicast+0x449/0x710 [ 1537.176117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.176117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.176117][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.176117][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.176117][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.176117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.176117][ T10] [ 1537.178210][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1537.178473][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1537.178473][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.178473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.178473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.178473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.178473][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.178473][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.178473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.178473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.178473][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.178473][ T10] netlink_unicast+0x449/0x710 [ 1537.178473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.178473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.178473][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.178473][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.178473][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.178473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.178473][ T10] [ 1537.180423][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1537.180423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.180423][ T10] ipv6_find_idev+0x102/0x170 [ 1537.180423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.180423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.180423][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.180423][ T10] netlink_unicast+0x449/0x710 [ 1537.180423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.180423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.180423][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.180423][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.180423][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.180423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.180423][ T10] [ 1537.181932][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1537.181932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.181932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.181932][ T10] ipv6_find_idev+0x102/0x170 [ 1537.181932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.181932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.181932][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.181932][ T10] netlink_unicast+0x449/0x710 [ 1537.181932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.181932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.181932][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.181932][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.181932][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.181932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.181932][ T10] [ 1537.183639][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1537.183955][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1537.183955][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.183955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.183955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.183955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.183955][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.183955][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.183955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.183955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.183955][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.183955][ T10] netlink_unicast+0x449/0x710 [ 1537.183955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.183955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.183955][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.183955][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.183955][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.183955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.183955][ T10] [ 1537.186056][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1537.186056][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.186056][ T10] ipv6_find_idev+0x102/0x170 [ 1537.186056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.186056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.186056][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.186056][ T10] netlink_unicast+0x449/0x710 [ 1537.186056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.186056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.186056][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.186056][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.186056][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.186056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.186056][ T10] [ 1537.187751][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1537.187751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.187751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.187751][ T10] ipv6_find_idev+0x102/0x170 [ 1537.187751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.187751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.187751][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.187751][ T10] netlink_unicast+0x449/0x710 [ 1537.187751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.187751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.187751][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.187751][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.187751][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.187751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.187751][ T10] [ 1537.189718][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1537.190027][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1537.190027][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.190027][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.190027][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.190027][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.190027][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.190027][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.190027][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.190027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.190027][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.190027][ T10] netlink_unicast+0x449/0x710 [ 1537.190027][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.190027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.190027][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.190027][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.190027][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.190027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.190027][ T10] [ 1537.192166][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1537.192166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.192166][ T10] ipv6_find_idev+0x102/0x170 [ 1537.192166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.192166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.192166][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.192166][ T10] netlink_unicast+0x449/0x710 [ 1537.192166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.192166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.192166][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.192166][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.192166][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.192166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.192166][ T10] [ 1537.193851][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1537.193851][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.193851][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.193851][ T10] ipv6_find_idev+0x102/0x170 [ 1537.193851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.193851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.193851][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.193851][ T10] netlink_unicast+0x449/0x710 [ 1537.193851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.193851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.193851][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.193851][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.193851][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.193851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.193851][ T10] [ 1537.195730][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1537.196051][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1537.196051][ T10] netdev_get_by_index+0x5e/0x80 [ 1537.196051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1537.196051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1537.196051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1537.196051][ T10] ipv6_add_addr+0x411/0x2000 [ 1537.196051][ T10] inet6_addr_add+0x30e/0xa40 [ 1537.196051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1537.196051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.196051][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.196051][ T10] netlink_unicast+0x449/0x710 [ 1537.196051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.196051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.196051][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.196051][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.196051][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.196051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.196051][ T10] [ 1537.198313][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1537.198313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1537.198313][ T10] ipv6_find_idev+0x102/0x170 [ 1537.198313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.198313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.198313][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.198313][ T10] netlink_unicast+0x449/0x710 [ 1537.198313][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.198313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.198313][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.198313][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.198313][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.198313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.198313][ T10] [ 1537.200004][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1537.200004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1537.200004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1537.200004][ T10] ipv6_find_idev+0x102/0x170 [ 1537.200004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1537.200004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1537.200004][ T10] netlink_rcv_skb+0x130/0x360 [ 1537.200004][ T10] netlink_unicast+0x449/0x710 [ 1537.200004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1537.200004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1537.200004][ T10] ___sys_sendmsg+0xee/0x170 [ 1537.200004][ T10] __sys_sendmsg+0xcd/0x170 [ 1537.200004][ T10] do_syscall_64+0xc6/0x1e0 [ 1537.200004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1537.200004][ T10] [ 1547.443108][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1547.443603][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1547.443603][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.443603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.443603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.443603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.443603][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.443603][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.443603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.443603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.443603][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.443603][ T10] netlink_unicast+0x449/0x710 [ 1547.443603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.443603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.443603][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.443603][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.443603][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.443603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.443603][ T10] [ 1547.445628][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1547.445628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.445628][ T10] ipv6_find_idev+0x102/0x170 [ 1547.445628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.445628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.445628][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.445628][ T10] netlink_unicast+0x449/0x710 [ 1547.445628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.445628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.445628][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.445628][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.445628][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.445628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.445628][ T10] [ 1547.447179][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1547.447179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.447179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.447179][ T10] ipv6_find_idev+0x102/0x170 [ 1547.447179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.447179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.447179][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.447179][ T10] netlink_unicast+0x449/0x710 [ 1547.447179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.447179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.447179][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.447179][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.447179][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.447179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.447179][ T10] [ 1547.448925][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1547.449217][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1547.449217][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.449217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.449217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.449217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.449217][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.449217][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.449217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.449217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.449217][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.449217][ T10] netlink_unicast+0x449/0x710 [ 1547.449217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.449217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.449217][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.449217][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.449217][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.449217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.449217][ T10] [ 1547.451378][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1547.451378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.451378][ T10] ipv6_find_idev+0x102/0x170 [ 1547.451378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.451378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.451378][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.451378][ T10] netlink_unicast+0x449/0x710 [ 1547.451378][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.451378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.451378][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.451378][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.451378][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.451378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.451378][ T10] [ 1547.453068][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1547.453068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.453068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.453068][ T10] ipv6_find_idev+0x102/0x170 [ 1547.453068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.453068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.453068][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.453068][ T10] netlink_unicast+0x449/0x710 [ 1547.453068][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.453068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.453068][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.453068][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.453068][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.453068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.453068][ T10] [ 1547.454896][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1547.455176][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1547.455176][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.455176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.455176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.455176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.455176][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.455176][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.455176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.455176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.455176][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.455176][ T10] netlink_unicast+0x449/0x710 [ 1547.455176][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.455176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.455176][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.455176][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.455176][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.455176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.455176][ T10] [ 1547.457381][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1547.457381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.457381][ T10] ipv6_find_idev+0x102/0x170 [ 1547.457381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.457381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.457381][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.457381][ T10] netlink_unicast+0x449/0x710 [ 1547.457381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.457381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.457381][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.457381][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.457381][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.457381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.457381][ T10] [ 1547.459041][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1547.459041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.459041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.459041][ T10] ipv6_find_idev+0x102/0x170 [ 1547.459041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.459041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.459041][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.459041][ T10] netlink_unicast+0x449/0x710 [ 1547.459041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.459041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.459041][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.459041][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.459041][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.459041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.459041][ T10] [ 1547.460874][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1547.461160][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1547.461160][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.461160][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.461160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.461160][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.461160][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.461160][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.461160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.461160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.461160][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.461160][ T10] netlink_unicast+0x449/0x710 [ 1547.461160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.461160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.461160][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.461160][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.461160][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.461160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.461160][ T10] [ 1547.463330][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1547.463330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.463330][ T10] ipv6_find_idev+0x102/0x170 [ 1547.463330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.463330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.463330][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.463330][ T10] netlink_unicast+0x449/0x710 [ 1547.463330][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.463330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.463330][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.463330][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.463330][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.463330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.463330][ T10] [ 1547.464998][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1547.464998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.464998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.464998][ T10] ipv6_find_idev+0x102/0x170 [ 1547.464998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.464998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.464998][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.464998][ T10] netlink_unicast+0x449/0x710 [ 1547.464998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.464998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.464998][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.464998][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.464998][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.464998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.464998][ T10] [ 1547.467273][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1547.467570][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1547.467570][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.467570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.467570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.467570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.467570][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.467570][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.467570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.467570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.467570][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.467570][ T10] netlink_unicast+0x449/0x710 [ 1547.467570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.467570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.467570][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.467570][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.467570][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.467570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.467570][ T10] [ 1547.469722][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1547.469722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.469722][ T10] ipv6_find_idev+0x102/0x170 [ 1547.469722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.469722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.469722][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.469722][ T10] netlink_unicast+0x449/0x710 [ 1547.469722][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.469722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.469722][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.469722][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.469722][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.469722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.469722][ T10] [ 1547.471385][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1547.471385][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.471385][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.471385][ T10] ipv6_find_idev+0x102/0x170 [ 1547.471385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.471385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.471385][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.471385][ T10] netlink_unicast+0x449/0x710 [ 1547.471385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.471385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.471385][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.471385][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.471385][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.471385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.471385][ T10] [ 1547.473236][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1547.473517][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1547.473517][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.473517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.473517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.473517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.473517][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.473517][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.473517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.473517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.473517][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.473517][ T10] netlink_unicast+0x449/0x710 [ 1547.473517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.473517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.473517][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.473517][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.473517][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.473517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.473517][ T10] [ 1547.475766][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1547.475766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.475766][ T10] ipv6_find_idev+0x102/0x170 [ 1547.475766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.475766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.475766][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.475766][ T10] netlink_unicast+0x449/0x710 [ 1547.475766][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.475766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.475766][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.475766][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.475766][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.475766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.475766][ T10] [ 1547.477636][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1547.477636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.477636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.477636][ T10] ipv6_find_idev+0x102/0x170 [ 1547.477636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.477636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.477636][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.477636][ T10] netlink_unicast+0x449/0x710 [ 1547.477636][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.477636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.477636][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.477636][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.477636][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.477636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.477636][ T10] [ 1547.479647][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1547.479995][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1547.479995][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.479995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.479995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.479995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.479995][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.479995][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.479995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.479995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.479995][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.479995][ T10] netlink_unicast+0x449/0x710 [ 1547.479995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.479995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.479995][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.479995][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.479995][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.479995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.479995][ T10] [ 1547.482328][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1547.482328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.482328][ T10] ipv6_find_idev+0x102/0x170 [ 1547.482328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.482328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.482328][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.482328][ T10] netlink_unicast+0x449/0x710 [ 1547.482328][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.482328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.482328][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.482328][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.482328][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.482328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.482328][ T10] [ 1547.484161][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1547.484161][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.484161][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.484161][ T10] ipv6_find_idev+0x102/0x170 [ 1547.484161][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.484161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.484161][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.484161][ T10] netlink_unicast+0x449/0x710 [ 1547.484161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.484161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.484161][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.484161][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.484161][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.484161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.484161][ T10] [ 1547.486307][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1547.486590][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1547.486590][ T10] netdev_get_by_index+0x5e/0x80 [ 1547.486590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1547.486590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1547.486590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1547.486590][ T10] ipv6_add_addr+0x411/0x2000 [ 1547.486590][ T10] inet6_addr_add+0x30e/0xa40 [ 1547.486590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1547.486590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.486590][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.486590][ T10] netlink_unicast+0x449/0x710 [ 1547.486590][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.486590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.486590][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.486590][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.486590][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.486590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.486590][ T10] [ 1547.488993][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1547.488993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1547.488993][ T10] ipv6_find_idev+0x102/0x170 [ 1547.488993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.488993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.488993][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.488993][ T10] netlink_unicast+0x449/0x710 [ 1547.488993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.488993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.488993][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.488993][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.488993][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.488993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.488993][ T10] [ 1547.490836][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1547.490836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1547.490836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1547.490836][ T10] ipv6_find_idev+0x102/0x170 [ 1547.490836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1547.490836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1547.490836][ T10] netlink_rcv_skb+0x130/0x360 [ 1547.490836][ T10] netlink_unicast+0x449/0x710 [ 1547.490836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1547.490836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1547.490836][ T10] ___sys_sendmsg+0xee/0x170 [ 1547.490836][ T10] __sys_sendmsg+0xcd/0x170 [ 1547.490836][ T10] do_syscall_64+0xc6/0x1e0 [ 1547.490836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1547.490836][ T10] [ 1557.731098][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1557.731651][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1557.731651][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.731651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.731651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.731651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.731651][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.731651][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.731651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.731651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.731651][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.731651][ T10] netlink_unicast+0x449/0x710 [ 1557.731651][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.731651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.731651][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.731651][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.731651][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.731651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.731651][ T10] [ 1557.733779][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1557.733779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.733779][ T10] ipv6_find_idev+0x102/0x170 [ 1557.733779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.733779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.733779][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.733779][ T10] netlink_unicast+0x449/0x710 [ 1557.733779][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.733779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.733779][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.733779][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.733779][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.733779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.733779][ T10] [ 1557.735445][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1557.735445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.735445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.735445][ T10] ipv6_find_idev+0x102/0x170 [ 1557.735445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.735445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.735445][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.735445][ T10] netlink_unicast+0x449/0x710 [ 1557.735445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.735445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.735445][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.735445][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.735445][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.735445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.735445][ T10] [ 1557.737192][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1557.737473][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1557.737473][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.737473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.737473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.737473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.737473][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.737473][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.737473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.737473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.737473][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.737473][ T10] netlink_unicast+0x449/0x710 [ 1557.737473][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.737473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.737473][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.737473][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.737473][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.737473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.737473][ T10] [ 1557.739465][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1557.739465][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.739465][ T10] ipv6_find_idev+0x102/0x170 [ 1557.739465][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.739465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.739465][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.739465][ T10] netlink_unicast+0x449/0x710 [ 1557.739465][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.739465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.739465][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.739465][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.739465][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.739465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.739465][ T10] [ 1557.741106][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1557.741106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.741106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.741106][ T10] ipv6_find_idev+0x102/0x170 [ 1557.741106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.741106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.741106][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.741106][ T10] netlink_unicast+0x449/0x710 [ 1557.741106][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.741106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.741106][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.741106][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.741106][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.741106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.741106][ T10] [ 1557.742951][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1557.743232][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1557.743232][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.743232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.743232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.743232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.743232][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.743232][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.743232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.743232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.743232][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.743232][ T10] netlink_unicast+0x449/0x710 [ 1557.743232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.743232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.743232][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.743232][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.743232][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.743232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.743232][ T10] [ 1557.745415][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1557.745415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.745415][ T10] ipv6_find_idev+0x102/0x170 [ 1557.745415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.745415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.745415][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.745415][ T10] netlink_unicast+0x449/0x710 [ 1557.745415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.745415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.745415][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.745415][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.745415][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.745415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.745415][ T10] [ 1557.747103][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1557.747103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.747103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.747103][ T10] ipv6_find_idev+0x102/0x170 [ 1557.747103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.747103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.747103][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.747103][ T10] netlink_unicast+0x449/0x710 [ 1557.747103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.747103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.747103][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.747103][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.747103][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.747103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.747103][ T10] [ 1557.748912][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1557.749207][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1557.749207][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.749207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.749207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.749207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.749207][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.749207][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.749207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.749207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.749207][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.749207][ T10] netlink_unicast+0x449/0x710 [ 1557.749207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.749207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.749207][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.749207][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.749207][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.749207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.749207][ T10] [ 1557.751362][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1557.751362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.751362][ T10] ipv6_find_idev+0x102/0x170 [ 1557.751362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.751362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.751362][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.751362][ T10] netlink_unicast+0x449/0x710 [ 1557.751362][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.751362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.751362][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.751362][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.751362][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.751362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.751362][ T10] [ 1557.753025][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1557.753025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.753025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.753025][ T10] ipv6_find_idev+0x102/0x170 [ 1557.753025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.753025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.753025][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.753025][ T10] netlink_unicast+0x449/0x710 [ 1557.753025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.753025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.753025][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.753025][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.753025][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.753025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.753025][ T10] [ 1557.755291][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1557.755580][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1557.755580][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.755580][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.755580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.755580][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.755580][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.755580][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.755580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.755580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.755580][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.755580][ T10] netlink_unicast+0x449/0x710 [ 1557.755580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.755580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.755580][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.755580][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.755580][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.755580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.755580][ T10] [ 1557.757768][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1557.757768][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.757768][ T10] ipv6_find_idev+0x102/0x170 [ 1557.757768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.757768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.757768][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.757768][ T10] netlink_unicast+0x449/0x710 [ 1557.757768][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.757768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.757768][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.757768][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.757768][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.757768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.757768][ T10] [ 1557.759455][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1557.759455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.759455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.759455][ T10] ipv6_find_idev+0x102/0x170 [ 1557.759455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.759455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.759455][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.759455][ T10] netlink_unicast+0x449/0x710 [ 1557.759455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.759455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.759455][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.759455][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.759455][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.759455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.759455][ T10] [ 1557.761442][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1557.761742][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1557.761742][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.761742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.761742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.761742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.761742][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.761742][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.761742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.761742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.761742][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.761742][ T10] netlink_unicast+0x449/0x710 [ 1557.761742][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.761742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.761742][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.761742][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.761742][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.761742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.761742][ T10] [ 1557.764157][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1557.764157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.764157][ T10] ipv6_find_idev+0x102/0x170 [ 1557.764157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.764157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.764157][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.764157][ T10] netlink_unicast+0x449/0x710 [ 1557.764157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.764157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.764157][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.764157][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.764157][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.764157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.764157][ T10] [ 1557.766168][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1557.766168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.766168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.766168][ T10] ipv6_find_idev+0x102/0x170 [ 1557.766168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.766168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.766168][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.766168][ T10] netlink_unicast+0x449/0x710 [ 1557.766168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.766168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.766168][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.766168][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.766168][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.766168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.766168][ T10] [ 1557.768323][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1557.768634][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1557.768634][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.768634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.768634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.768634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.768634][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.768634][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.768634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.768634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.768634][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.768634][ T10] netlink_unicast+0x449/0x710 [ 1557.768634][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.768634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.768634][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.768634][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.768634][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.768634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.768634][ T10] [ 1557.771137][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1557.771137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.771137][ T10] ipv6_find_idev+0x102/0x170 [ 1557.771137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.771137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.771137][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.771137][ T10] netlink_unicast+0x449/0x710 [ 1557.771137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.771137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.771137][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.771137][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.771137][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.771137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.771137][ T10] [ 1557.772897][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1557.772897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.772897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.772897][ T10] ipv6_find_idev+0x102/0x170 [ 1557.772897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.772897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.772897][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.772897][ T10] netlink_unicast+0x449/0x710 [ 1557.772897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.772897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.772897][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.772897][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.772897][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.772897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.772897][ T10] [ 1557.774935][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1557.775215][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1557.775215][ T10] netdev_get_by_index+0x5e/0x80 [ 1557.775215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1557.775215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1557.775215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1557.775215][ T10] ipv6_add_addr+0x411/0x2000 [ 1557.775215][ T10] inet6_addr_add+0x30e/0xa40 [ 1557.775215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1557.775215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.775215][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.775215][ T10] netlink_unicast+0x449/0x710 [ 1557.775215][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.775215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.775215][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.775215][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.775215][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.775215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.775215][ T10] [ 1557.778322][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1557.778322][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1557.778322][ T10] ipv6_find_idev+0x102/0x170 [ 1557.778322][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.778322][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.778322][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.778322][ T10] netlink_unicast+0x449/0x710 [ 1557.778322][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.778322][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.778322][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.778322][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.778322][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.778322][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.778322][ T10] [ 1557.780168][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1557.780168][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1557.780168][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1557.780168][ T10] ipv6_find_idev+0x102/0x170 [ 1557.780168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1557.780168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1557.780168][ T10] netlink_rcv_skb+0x130/0x360 [ 1557.780168][ T10] netlink_unicast+0x449/0x710 [ 1557.780168][ T10] netlink_sendmsg+0x723/0xbe0 [ 1557.780168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1557.780168][ T10] ___sys_sendmsg+0xee/0x170 [ 1557.780168][ T10] __sys_sendmsg+0xcd/0x170 [ 1557.780168][ T10] do_syscall_64+0xc6/0x1e0 [ 1557.780168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1557.780168][ T10] [ 1568.034983][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1568.035435][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1568.035435][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.035435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.035435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.035435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.035435][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.035435][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.035435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.035435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.035435][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.035435][ T10] netlink_unicast+0x449/0x710 [ 1568.035435][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.035435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.035435][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.035435][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.035435][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.035435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.035435][ T10] [ 1568.037637][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1568.037637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.037637][ T10] ipv6_find_idev+0x102/0x170 [ 1568.037637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.037637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.037637][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.037637][ T10] netlink_unicast+0x449/0x710 [ 1568.037637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.037637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.037637][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.037637][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.037637][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.037637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.037637][ T10] [ 1568.039302][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1568.039302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.039302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.039302][ T10] ipv6_find_idev+0x102/0x170 [ 1568.039302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.039302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.039302][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.039302][ T10] netlink_unicast+0x449/0x710 [ 1568.039302][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.039302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.039302][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.039302][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.039302][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.039302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.039302][ T10] [ 1568.041122][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1568.041406][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1568.041406][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.041406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.041406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.041406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.041406][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.041406][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.041406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.041406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.041406][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.041406][ T10] netlink_unicast+0x449/0x710 [ 1568.041406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.041406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.041406][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.041406][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.041406][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.041406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.041406][ T10] [ 1568.043531][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1568.043531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.043531][ T10] ipv6_find_idev+0x102/0x170 [ 1568.043531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.043531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.043531][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.043531][ T10] netlink_unicast+0x449/0x710 [ 1568.043531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.043531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.043531][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.043531][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.043531][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.043531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.043531][ T10] [ 1568.045160][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1568.045160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.045160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.045160][ T10] ipv6_find_idev+0x102/0x170 [ 1568.045160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.045160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.045160][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.045160][ T10] netlink_unicast+0x449/0x710 [ 1568.045160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.045160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.045160][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.045160][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.045160][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.045160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.045160][ T10] [ 1568.046969][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1568.047258][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1568.047258][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.047258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.047258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.047258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.047258][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.047258][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.047258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.047258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.047258][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.047258][ T10] netlink_unicast+0x449/0x710 [ 1568.047258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.047258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.047258][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.047258][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.047258][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.047258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.047258][ T10] [ 1568.049396][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1568.049396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.049396][ T10] ipv6_find_idev+0x102/0x170 [ 1568.049396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.049396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.049396][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.049396][ T10] netlink_unicast+0x449/0x710 [ 1568.049396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.049396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.049396][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.049396][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.049396][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.049396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.049396][ T10] [ 1568.051068][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1568.051068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.051068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.051068][ T10] ipv6_find_idev+0x102/0x170 [ 1568.051068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.051068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.051068][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.051068][ T10] netlink_unicast+0x449/0x710 [ 1568.051068][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.051068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.051068][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.051068][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.051068][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.051068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.051068][ T10] [ 1568.052901][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1568.053204][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1568.053204][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.053204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.053204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.053204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.053204][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.053204][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.053204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.053204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.053204][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.053204][ T10] netlink_unicast+0x449/0x710 [ 1568.053204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.053204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.053204][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.053204][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.053204][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.053204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.053204][ T10] [ 1568.055177][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1568.055177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.055177][ T10] ipv6_find_idev+0x102/0x170 [ 1568.055177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.055177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.055177][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.055177][ T10] netlink_unicast+0x449/0x710 [ 1568.055177][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.055177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.055177][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.055177][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.055177][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.055177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.055177][ T10] [ 1568.056714][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1568.056714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.056714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.056714][ T10] ipv6_find_idev+0x102/0x170 [ 1568.056714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.056714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.056714][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.056714][ T10] netlink_unicast+0x449/0x710 [ 1568.056714][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.056714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.056714][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.056714][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.056714][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.056714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.056714][ T10] [ 1568.058462][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1568.058726][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1568.058726][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.058726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.058726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.058726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.058726][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.058726][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.058726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.058726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.058726][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.058726][ T10] netlink_unicast+0x449/0x710 [ 1568.058726][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.058726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.058726][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.058726][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.058726][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.058726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.058726][ T10] [ 1568.060701][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1568.060701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.060701][ T10] ipv6_find_idev+0x102/0x170 [ 1568.060701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.060701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.060701][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.060701][ T10] netlink_unicast+0x449/0x710 [ 1568.060701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.060701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.060701][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.060701][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.060701][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.060701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.060701][ T10] [ 1568.062220][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1568.062220][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.062220][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.062220][ T10] ipv6_find_idev+0x102/0x170 [ 1568.062220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.062220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.062220][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.062220][ T10] netlink_unicast+0x449/0x710 [ 1568.062220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.062220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.062220][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.062220][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.062220][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.062220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.062220][ T10] [ 1568.064235][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1568.064558][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1568.064558][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.064558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.064558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.064558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.064558][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.064558][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.064558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.064558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.064558][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.064558][ T10] netlink_unicast+0x449/0x710 [ 1568.064558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.064558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.064558][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.064558][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.064558][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.064558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.064558][ T10] [ 1568.066931][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1568.066931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.066931][ T10] ipv6_find_idev+0x102/0x170 [ 1568.066931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.066931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.066931][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.066931][ T10] netlink_unicast+0x449/0x710 [ 1568.066931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.066931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.066931][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.066931][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.066931][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.066931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.066931][ T10] [ 1568.068770][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1568.068770][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.068770][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.068770][ T10] ipv6_find_idev+0x102/0x170 [ 1568.068770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.068770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.068770][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.068770][ T10] netlink_unicast+0x449/0x710 [ 1568.068770][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.068770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.068770][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.068770][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.068770][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.068770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.068770][ T10] [ 1568.070868][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1568.071155][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1568.071155][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.071155][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.071155][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.071155][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.071155][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.071155][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.071155][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.071155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.071155][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.071155][ T10] netlink_unicast+0x449/0x710 [ 1568.071155][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.071155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.071155][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.071155][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.071155][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.071155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.071155][ T10] [ 1568.073463][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1568.073463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.073463][ T10] ipv6_find_idev+0x102/0x170 [ 1568.073463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.073463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.073463][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.073463][ T10] netlink_unicast+0x449/0x710 [ 1568.073463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.073463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.073463][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.073463][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.073463][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.073463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.073463][ T10] [ 1568.075357][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1568.075357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.075357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.075357][ T10] ipv6_find_idev+0x102/0x170 [ 1568.075357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.075357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.075357][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.075357][ T10] netlink_unicast+0x449/0x710 [ 1568.075357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.075357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.075357][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.075357][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.075357][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.075357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.075357][ T10] [ 1568.077467][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1568.077754][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1568.077754][ T10] netdev_get_by_index+0x5e/0x80 [ 1568.077754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1568.077754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1568.077754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1568.077754][ T10] ipv6_add_addr+0x411/0x2000 [ 1568.077754][ T10] inet6_addr_add+0x30e/0xa40 [ 1568.077754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1568.077754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.077754][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.077754][ T10] netlink_unicast+0x449/0x710 [ 1568.077754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.077754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.077754][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.077754][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.077754][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.077754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.077754][ T10] [ 1568.080090][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1568.080090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1568.080090][ T10] ipv6_find_idev+0x102/0x170 [ 1568.080090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.080090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.080090][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.080090][ T10] netlink_unicast+0x449/0x710 [ 1568.080090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.080090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.080090][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.080090][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.080090][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.080090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.080090][ T10] [ 1568.081937][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1568.081937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1568.081937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1568.081937][ T10] ipv6_find_idev+0x102/0x170 [ 1568.081937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1568.081937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1568.081937][ T10] netlink_rcv_skb+0x130/0x360 [ 1568.081937][ T10] netlink_unicast+0x449/0x710 [ 1568.081937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1568.081937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1568.081937][ T10] ___sys_sendmsg+0xee/0x170 [ 1568.081937][ T10] __sys_sendmsg+0xcd/0x170 [ 1568.081937][ T10] do_syscall_64+0xc6/0x1e0 [ 1568.081937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1568.081937][ T10] [ 1578.338999][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1578.339457][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1578.339457][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.339457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.339457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.339457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.339457][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.339457][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.339457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.339457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.339457][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.339457][ T10] netlink_unicast+0x449/0x710 [ 1578.339457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.339457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.339457][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.339457][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.339457][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.339457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.339457][ T10] [ 1578.341494][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1578.341494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.341494][ T10] ipv6_find_idev+0x102/0x170 [ 1578.341494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.341494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.341494][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.341494][ T10] netlink_unicast+0x449/0x710 [ 1578.341494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.341494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.341494][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.341494][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.341494][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.341494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.341494][ T10] [ 1578.343042][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1578.343042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.343042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.343042][ T10] ipv6_find_idev+0x102/0x170 [ 1578.343042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.343042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.343042][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.343042][ T10] netlink_unicast+0x449/0x710 [ 1578.343042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.343042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.343042][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.343042][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.343042][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.343042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.343042][ T10] [ 1578.344773][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1578.345059][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1578.345059][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.345059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.345059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.345059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.345059][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.345059][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.345059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.345059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.345059][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.345059][ T10] netlink_unicast+0x449/0x710 [ 1578.345059][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.345059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.345059][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.345059][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.345059][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.345059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.345059][ T10] [ 1578.347083][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1578.347083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.347083][ T10] ipv6_find_idev+0x102/0x170 [ 1578.347083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.347083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.347083][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.347083][ T10] netlink_unicast+0x449/0x710 [ 1578.347083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.347083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.347083][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.347083][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.347083][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.347083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.347083][ T10] [ 1578.348632][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1578.348632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.348632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.348632][ T10] ipv6_find_idev+0x102/0x170 [ 1578.348632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.348632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.348632][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.348632][ T10] netlink_unicast+0x449/0x710 [ 1578.348632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.348632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.348632][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.348632][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.348632][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.348632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.348632][ T10] [ 1578.350344][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1578.350621][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1578.350621][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.350621][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.350621][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.350621][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.350621][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.350621][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.350621][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.350621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.350621][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.350621][ T10] netlink_unicast+0x449/0x710 [ 1578.350621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.350621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.350621][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.350621][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.350621][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.350621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.350621][ T10] [ 1578.352628][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1578.352628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.352628][ T10] ipv6_find_idev+0x102/0x170 [ 1578.352628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.352628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.352628][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.352628][ T10] netlink_unicast+0x449/0x710 [ 1578.352628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.352628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.352628][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.352628][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.352628][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.352628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.352628][ T10] [ 1578.354166][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1578.354166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.354166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.354166][ T10] ipv6_find_idev+0x102/0x170 [ 1578.354166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.354166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.354166][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.354166][ T10] netlink_unicast+0x449/0x710 [ 1578.354166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.354166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.354166][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.354166][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.354166][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.354166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.354166][ T10] [ 1578.355889][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1578.356161][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1578.356161][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.356161][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.356161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.356161][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.356161][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.356161][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.356161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.356161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.356161][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.356161][ T10] netlink_unicast+0x449/0x710 [ 1578.356161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.356161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.356161][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.356161][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.356161][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.356161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.356161][ T10] [ 1578.358157][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1578.358157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.358157][ T10] ipv6_find_idev+0x102/0x170 [ 1578.358157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.358157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.358157][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.358157][ T10] netlink_unicast+0x449/0x710 [ 1578.358157][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.358157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.358157][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.358157][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.358157][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.358157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.358157][ T10] [ 1578.359695][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1578.359695][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.359695][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.359695][ T10] ipv6_find_idev+0x102/0x170 [ 1578.359695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.359695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.359695][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.359695][ T10] netlink_unicast+0x449/0x710 [ 1578.359695][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.359695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.359695][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.359695][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.359695][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.359695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.359695][ T10] [ 1578.361802][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1578.362419][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1578.362419][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.362419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.362419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.362419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.362419][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.362419][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.362419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.362419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.362419][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.362419][ T10] netlink_unicast+0x449/0x710 [ 1578.362419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.362419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.362419][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.362419][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.362419][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.362419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.362419][ T10] [ 1578.364464][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1578.364464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.364464][ T10] ipv6_find_idev+0x102/0x170 [ 1578.364464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.364464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.364464][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.364464][ T10] netlink_unicast+0x449/0x710 [ 1578.364464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.364464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.364464][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.364464][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.364464][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.364464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.364464][ T10] [ 1578.366018][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1578.366018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.366018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.366018][ T10] ipv6_find_idev+0x102/0x170 [ 1578.366018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.366018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.366018][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.366018][ T10] netlink_unicast+0x449/0x710 [ 1578.366018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.366018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.366018][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.366018][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.366018][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.366018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.366018][ T10] [ 1578.367727][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1578.368056][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1578.368056][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.368056][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.368056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.368056][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.368056][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.368056][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.368056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.368056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.368056][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.368056][ T10] netlink_unicast+0x449/0x710 [ 1578.368056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.368056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.368056][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.368056][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.368056][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.368056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.368056][ T10] [ 1578.370049][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1578.370049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.370049][ T10] ipv6_find_idev+0x102/0x170 [ 1578.370049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.370049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.370049][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.370049][ T10] netlink_unicast+0x449/0x710 [ 1578.370049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.370049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.370049][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.370049][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.370049][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.370049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.370049][ T10] [ 1578.371631][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1578.371631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.371631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.371631][ T10] ipv6_find_idev+0x102/0x170 [ 1578.371631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.371631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.371631][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.371631][ T10] netlink_unicast+0x449/0x710 [ 1578.371631][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.371631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.371631][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.371631][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.371631][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.371631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.371631][ T10] [ 1578.373650][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1578.373977][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1578.373977][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.373977][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.373977][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.373977][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.373977][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.373977][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.373977][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.373977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.373977][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.373977][ T10] netlink_unicast+0x449/0x710 [ 1578.373977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.373977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.373977][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.373977][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.373977][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.373977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.373977][ T10] [ 1578.376156][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1578.376156][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.376156][ T10] ipv6_find_idev+0x102/0x170 [ 1578.376156][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.376156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.376156][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.376156][ T10] netlink_unicast+0x449/0x710 [ 1578.376156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.376156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.376156][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.376156][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.376156][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.376156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.376156][ T10] [ 1578.377871][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1578.377871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.377871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.377871][ T10] ipv6_find_idev+0x102/0x170 [ 1578.377871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.377871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.377871][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.377871][ T10] netlink_unicast+0x449/0x710 [ 1578.377871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.377871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.377871][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.377871][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.377871][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.377871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.377871][ T10] [ 1578.379786][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1578.380119][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1578.380119][ T10] netdev_get_by_index+0x5e/0x80 [ 1578.380119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1578.380119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1578.380119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1578.380119][ T10] ipv6_add_addr+0x411/0x2000 [ 1578.380119][ T10] inet6_addr_add+0x30e/0xa40 [ 1578.380119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1578.380119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.380119][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.380119][ T10] netlink_unicast+0x449/0x710 [ 1578.380119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.380119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.380119][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.380119][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.380119][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.380119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.380119][ T10] [ 1578.382289][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1578.382289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1578.382289][ T10] ipv6_find_idev+0x102/0x170 [ 1578.382289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.382289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.382289][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.382289][ T10] netlink_unicast+0x449/0x710 [ 1578.382289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.382289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.382289][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.382289][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.382289][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.382289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.382289][ T10] [ 1578.384001][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1578.384001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1578.384001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1578.384001][ T10] ipv6_find_idev+0x102/0x170 [ 1578.384001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1578.384001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1578.384001][ T10] netlink_rcv_skb+0x130/0x360 [ 1578.384001][ T10] netlink_unicast+0x449/0x710 [ 1578.384001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1578.384001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1578.384001][ T10] ___sys_sendmsg+0xee/0x170 [ 1578.384001][ T10] __sys_sendmsg+0xcd/0x170 [ 1578.384001][ T10] do_syscall_64+0xc6/0x1e0 [ 1578.384001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1578.384001][ T10] [ 1588.458969][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1588.459387][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1588.459387][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.459387][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.459387][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.459387][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.459387][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.459387][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.459387][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.459387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.459387][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.459387][ T10] netlink_unicast+0x449/0x710 [ 1588.459387][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.459387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.459387][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.459387][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.459387][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.459387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.459387][ T10] [ 1588.461386][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1588.461386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.461386][ T10] ipv6_find_idev+0x102/0x170 [ 1588.461386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.461386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.461386][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.461386][ T10] netlink_unicast+0x449/0x710 [ 1588.461386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.461386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.461386][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.461386][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.461386][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.461386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.461386][ T10] [ 1588.462951][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1588.462951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.462951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.462951][ T10] ipv6_find_idev+0x102/0x170 [ 1588.462951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.462951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.462951][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.462951][ T10] netlink_unicast+0x449/0x710 [ 1588.462951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.462951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.462951][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.462951][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.462951][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.462951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.462951][ T10] [ 1588.464612][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1588.464883][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1588.464883][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.464883][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.464883][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.464883][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.464883][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.464883][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.464883][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.464883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.464883][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.464883][ T10] netlink_unicast+0x449/0x710 [ 1588.464883][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.464883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.464883][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.464883][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.464883][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.464883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.464883][ T10] [ 1588.466846][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1588.466846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.466846][ T10] ipv6_find_idev+0x102/0x170 [ 1588.466846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.466846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.466846][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.466846][ T10] netlink_unicast+0x449/0x710 [ 1588.466846][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.466846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.466846][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.466846][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.466846][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.466846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.466846][ T10] [ 1588.468355][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1588.468355][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.468355][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.468355][ T10] ipv6_find_idev+0x102/0x170 [ 1588.468355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.468355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.468355][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.468355][ T10] netlink_unicast+0x449/0x710 [ 1588.468355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.468355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.468355][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.468355][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.468355][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.468355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.468355][ T10] [ 1588.470003][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1588.470263][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1588.470263][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.470263][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.470263][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.470263][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.470263][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.470263][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.470263][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.470263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.470263][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.470263][ T10] netlink_unicast+0x449/0x710 [ 1588.470263][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.470263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.470263][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.470263][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.470263][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.470263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.470263][ T10] [ 1588.472226][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1588.472226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.472226][ T10] ipv6_find_idev+0x102/0x170 [ 1588.472226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.472226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.472226][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.472226][ T10] netlink_unicast+0x449/0x710 [ 1588.472226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.472226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.472226][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.472226][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.472226][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.472226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.472226][ T10] [ 1588.473738][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1588.473738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.473738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.473738][ T10] ipv6_find_idev+0x102/0x170 [ 1588.473738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.473738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.473738][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.473738][ T10] netlink_unicast+0x449/0x710 [ 1588.473738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.473738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.473738][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.473738][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.473738][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.473738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.473738][ T10] [ 1588.475396][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1588.475667][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1588.475667][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.475667][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.475667][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.475667][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.475667][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.475667][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.475667][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.475667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.475667][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.475667][ T10] netlink_unicast+0x449/0x710 [ 1588.475667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.475667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.475667][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.475667][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.475667][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.475667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.475667][ T10] [ 1588.477635][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1588.477635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.477635][ T10] ipv6_find_idev+0x102/0x170 [ 1588.477635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.477635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.477635][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.477635][ T10] netlink_unicast+0x449/0x710 [ 1588.477635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.477635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.477635][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.477635][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.477635][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.477635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.477635][ T10] [ 1588.479213][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1588.479213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.479213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.479213][ T10] ipv6_find_idev+0x102/0x170 [ 1588.479213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.479213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.479213][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.479213][ T10] netlink_unicast+0x449/0x710 [ 1588.479213][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.479213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.479213][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.479213][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.479213][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.479213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.479213][ T10] [ 1588.481714][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1588.482385][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1588.482385][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.482385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.482385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.482385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.482385][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.482385][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.482385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.482385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.482385][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.482385][ T10] netlink_unicast+0x449/0x710 [ 1588.482385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.482385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.482385][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.482385][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.482385][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.482385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.482385][ T10] [ 1588.484656][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1588.484656][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.484656][ T10] ipv6_find_idev+0x102/0x170 [ 1588.484656][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.484656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.484656][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.484656][ T10] netlink_unicast+0x449/0x710 [ 1588.484656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.484656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.484656][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.484656][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.484656][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.484656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.484656][ T10] [ 1588.486455][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1588.486455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.486455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.486455][ T10] ipv6_find_idev+0x102/0x170 [ 1588.486455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.486455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.486455][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.486455][ T10] netlink_unicast+0x449/0x710 [ 1588.486455][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.486455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.486455][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.486455][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.486455][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.486455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.486455][ T10] [ 1588.488369][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1588.488657][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1588.488657][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.488657][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.488657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.488657][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.488657][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.488657][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.488657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.488657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.488657][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.488657][ T10] netlink_unicast+0x449/0x710 [ 1588.488657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.488657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.488657][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.488657][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.488657][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.488657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.488657][ T10] [ 1588.490639][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1588.490639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.490639][ T10] ipv6_find_idev+0x102/0x170 [ 1588.490639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.490639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.490639][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.490639][ T10] netlink_unicast+0x449/0x710 [ 1588.490639][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.490639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.490639][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.490639][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.490639][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.490639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.490639][ T10] [ 1588.492211][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1588.492211][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.492211][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.492211][ T10] ipv6_find_idev+0x102/0x170 [ 1588.492211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.492211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.492211][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.492211][ T10] netlink_unicast+0x449/0x710 [ 1588.492211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.492211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.492211][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.492211][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.492211][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.492211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.492211][ T10] [ 1588.494149][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1588.494417][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1588.494417][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.494417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.494417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.494417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.494417][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.494417][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.494417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.494417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.494417][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.494417][ T10] netlink_unicast+0x449/0x710 [ 1588.494417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.494417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.494417][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.494417][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.494417][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.494417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.494417][ T10] [ 1588.496641][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1588.496641][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.496641][ T10] ipv6_find_idev+0x102/0x170 [ 1588.496641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.496641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.496641][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.496641][ T10] netlink_unicast+0x449/0x710 [ 1588.496641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.496641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.496641][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.496641][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.496641][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.496641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.496641][ T10] [ 1588.498344][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1588.498344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.498344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.498344][ T10] ipv6_find_idev+0x102/0x170 [ 1588.498344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.498344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.498344][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.498344][ T10] netlink_unicast+0x449/0x710 [ 1588.498344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.498344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.498344][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.498344][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.498344][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.498344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.498344][ T10] [ 1588.500230][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1588.500492][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1588.500492][ T10] netdev_get_by_index+0x5e/0x80 [ 1588.500492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1588.500492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1588.500492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1588.500492][ T10] ipv6_add_addr+0x411/0x2000 [ 1588.500492][ T10] inet6_addr_add+0x30e/0xa40 [ 1588.500492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1588.500492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.500492][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.500492][ T10] netlink_unicast+0x449/0x710 [ 1588.500492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.500492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.500492][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.500492][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.500492][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.500492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.500492][ T10] [ 1588.502690][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1588.502690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1588.502690][ T10] ipv6_find_idev+0x102/0x170 [ 1588.502690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.502690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.502690][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.502690][ T10] netlink_unicast+0x449/0x710 [ 1588.502690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.502690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.502690][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.502690][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.502690][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.502690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.502690][ T10] [ 1588.504430][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1588.504430][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1588.504430][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1588.504430][ T10] ipv6_find_idev+0x102/0x170 [ 1588.504430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1588.504430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1588.504430][ T10] netlink_rcv_skb+0x130/0x360 [ 1588.504430][ T10] netlink_unicast+0x449/0x710 [ 1588.504430][ T10] netlink_sendmsg+0x723/0xbe0 [ 1588.504430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1588.504430][ T10] ___sys_sendmsg+0xee/0x170 [ 1588.504430][ T10] __sys_sendmsg+0xcd/0x170 [ 1588.504430][ T10] do_syscall_64+0xc6/0x1e0 [ 1588.504430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1588.504430][ T10] [ 1598.610929][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1598.611445][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1598.611445][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.611445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.611445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.611445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.611445][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.611445][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.611445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.611445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.611445][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.611445][ T10] netlink_unicast+0x449/0x710 [ 1598.611445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.611445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.611445][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.611445][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.611445][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.611445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.611445][ T10] [ 1598.613580][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1598.613580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.613580][ T10] ipv6_find_idev+0x102/0x170 [ 1598.613580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.613580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.613580][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.613580][ T10] netlink_unicast+0x449/0x710 [ 1598.613580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.613580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.613580][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.613580][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.613580][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.613580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.613580][ T10] [ 1598.615291][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1598.615291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.615291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.615291][ T10] ipv6_find_idev+0x102/0x170 [ 1598.615291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.615291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.615291][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.615291][ T10] netlink_unicast+0x449/0x710 [ 1598.615291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.615291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.615291][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.615291][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.615291][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.615291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.615291][ T10] [ 1598.617094][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1598.617385][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1598.617385][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.617385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.617385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.617385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.617385][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.617385][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.617385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.617385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.617385][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.617385][ T10] netlink_unicast+0x449/0x710 [ 1598.617385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.617385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.617385][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.617385][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.617385][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.617385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.617385][ T10] [ 1598.619451][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1598.619451][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.619451][ T10] ipv6_find_idev+0x102/0x170 [ 1598.619451][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.619451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.619451][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.619451][ T10] netlink_unicast+0x449/0x710 [ 1598.619451][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.619451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.619451][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.619451][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.619451][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.619451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.619451][ T10] [ 1598.620987][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1598.620987][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.620987][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.620987][ T10] ipv6_find_idev+0x102/0x170 [ 1598.620987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.620987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.620987][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.620987][ T10] netlink_unicast+0x449/0x710 [ 1598.620987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.620987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.620987][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.620987][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.620987][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.620987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.620987][ T10] [ 1598.622657][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1598.622939][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1598.622939][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.622939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.622939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.622939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.622939][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.622939][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.622939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.622939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.622939][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.622939][ T10] netlink_unicast+0x449/0x710 [ 1598.622939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.622939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.622939][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.622939][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.622939][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.622939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.622939][ T10] [ 1598.624953][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1598.624953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.624953][ T10] ipv6_find_idev+0x102/0x170 [ 1598.624953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.624953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.624953][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.624953][ T10] netlink_unicast+0x449/0x710 [ 1598.624953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.624953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.624953][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.624953][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.624953][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.624953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.624953][ T10] [ 1598.626522][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1598.626522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.626522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.626522][ T10] ipv6_find_idev+0x102/0x170 [ 1598.626522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.626522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.626522][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.626522][ T10] netlink_unicast+0x449/0x710 [ 1598.626522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.626522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.626522][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.626522][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.626522][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.626522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.626522][ T10] [ 1598.628298][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1598.628592][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1598.628592][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.628592][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.628592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.628592][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.628592][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.628592][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.628592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.628592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.628592][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.628592][ T10] netlink_unicast+0x449/0x710 [ 1598.628592][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.628592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.628592][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.628592][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.628592][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.628592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.628592][ T10] [ 1598.630683][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1598.630683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.630683][ T10] ipv6_find_idev+0x102/0x170 [ 1598.630683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.630683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.630683][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.630683][ T10] netlink_unicast+0x449/0x710 [ 1598.630683][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.630683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.630683][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.630683][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.630683][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.630683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.630683][ T10] [ 1598.632324][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1598.632324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.632324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.632324][ T10] ipv6_find_idev+0x102/0x170 [ 1598.632324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.632324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.632324][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.632324][ T10] netlink_unicast+0x449/0x710 [ 1598.632324][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.632324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.632324][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.632324][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.632324][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.632324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.632324][ T10] [ 1598.634553][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1598.634860][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1598.634860][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.634860][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.634860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.634860][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.634860][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.634860][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.634860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.634860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.634860][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.634860][ T10] netlink_unicast+0x449/0x710 [ 1598.634860][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.634860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.634860][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.634860][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.634860][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.634860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.634860][ T10] [ 1598.636940][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1598.636940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.636940][ T10] ipv6_find_idev+0x102/0x170 [ 1598.636940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.636940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.636940][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.636940][ T10] netlink_unicast+0x449/0x710 [ 1598.636940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.636940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.636940][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.636940][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.636940][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.636940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.636940][ T10] [ 1598.638509][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1598.638509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.638509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.638509][ T10] ipv6_find_idev+0x102/0x170 [ 1598.638509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.638509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.638509][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.638509][ T10] netlink_unicast+0x449/0x710 [ 1598.638509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.638509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.638509][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.638509][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.638509][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.638509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.638509][ T10] [ 1598.640218][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1598.640486][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1598.640486][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.640486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.640486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.640486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.640486][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.640486][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.640486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.640486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.640486][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.640486][ T10] netlink_unicast+0x449/0x710 [ 1598.640486][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.640486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.640486][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.640486][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.640486][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.640486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.640486][ T10] [ 1598.642575][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1598.642575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.642575][ T10] ipv6_find_idev+0x102/0x170 [ 1598.642575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.642575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.642575][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.642575][ T10] netlink_unicast+0x449/0x710 [ 1598.642575][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.642575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.642575][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.642575][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.642575][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.642575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.642575][ T10] [ 1598.644423][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1598.644423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.644423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.644423][ T10] ipv6_find_idev+0x102/0x170 [ 1598.644423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.644423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.644423][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.644423][ T10] netlink_unicast+0x449/0x710 [ 1598.644423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.644423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.644423][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.644423][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.644423][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.644423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.644423][ T10] [ 1598.646418][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1598.646728][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1598.646728][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.646728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.646728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.646728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.646728][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.646728][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.646728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.646728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.646728][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.646728][ T10] netlink_unicast+0x449/0x710 [ 1598.646728][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.646728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.646728][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.646728][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.646728][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.646728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.646728][ T10] [ 1598.649098][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1598.649098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.649098][ T10] ipv6_find_idev+0x102/0x170 [ 1598.649098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.649098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.649098][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.649098][ T10] netlink_unicast+0x449/0x710 [ 1598.649098][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.649098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.649098][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.649098][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.649098][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.649098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.649098][ T10] [ 1598.650936][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1598.650936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.650936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.650936][ T10] ipv6_find_idev+0x102/0x170 [ 1598.650936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.650936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.650936][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.650936][ T10] netlink_unicast+0x449/0x710 [ 1598.650936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.650936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.650936][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.650936][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.650936][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.650936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.650936][ T10] [ 1598.652952][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1598.653219][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1598.653219][ T10] netdev_get_by_index+0x5e/0x80 [ 1598.653219][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1598.653219][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1598.653219][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1598.653219][ T10] ipv6_add_addr+0x411/0x2000 [ 1598.653219][ T10] inet6_addr_add+0x30e/0xa40 [ 1598.653219][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1598.653219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.653219][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.653219][ T10] netlink_unicast+0x449/0x710 [ 1598.653219][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.653219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.653219][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.653219][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.653219][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.653219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.653219][ T10] [ 1598.655729][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1598.655729][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1598.655729][ T10] ipv6_find_idev+0x102/0x170 [ 1598.655729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.655729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.655729][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.655729][ T10] netlink_unicast+0x449/0x710 [ 1598.655729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.655729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.655729][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.655729][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.655729][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.655729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.655729][ T10] [ 1598.657676][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1598.657676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1598.657676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1598.657676][ T10] ipv6_find_idev+0x102/0x170 [ 1598.657676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1598.657676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1598.657676][ T10] netlink_rcv_skb+0x130/0x360 [ 1598.657676][ T10] netlink_unicast+0x449/0x710 [ 1598.657676][ T10] netlink_sendmsg+0x723/0xbe0 [ 1598.657676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1598.657676][ T10] ___sys_sendmsg+0xee/0x170 [ 1598.657676][ T10] __sys_sendmsg+0xcd/0x170 [ 1598.657676][ T10] do_syscall_64+0xc6/0x1e0 [ 1598.657676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1598.657676][ T10] [ 1608.690902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1608.691311][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1608.691311][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.691311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.691311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.691311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.691311][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.691311][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.691311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.691311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.691311][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.691311][ T10] netlink_unicast+0x449/0x710 [ 1608.691311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.691311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.691311][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.691311][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.691311][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.691311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.691311][ T10] [ 1608.693309][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1608.693309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.693309][ T10] ipv6_find_idev+0x102/0x170 [ 1608.693309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.693309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.693309][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.693309][ T10] netlink_unicast+0x449/0x710 [ 1608.693309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.693309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.693309][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.693309][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.693309][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.693309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.693309][ T10] [ 1608.694837][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1608.694837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.694837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.694837][ T10] ipv6_find_idev+0x102/0x170 [ 1608.694837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.694837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.694837][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.694837][ T10] netlink_unicast+0x449/0x710 [ 1608.694837][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.694837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.694837][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.694837][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.694837][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.694837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.694837][ T10] [ 1608.696637][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1608.696912][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1608.696912][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.696912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.696912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.696912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.696912][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.696912][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.696912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.696912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.696912][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.696912][ T10] netlink_unicast+0x449/0x710 [ 1608.696912][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.696912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.696912][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.696912][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.696912][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.696912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.696912][ T10] [ 1608.698902][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1608.698902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.698902][ T10] ipv6_find_idev+0x102/0x170 [ 1608.698902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.698902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.698902][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.698902][ T10] netlink_unicast+0x449/0x710 [ 1608.698902][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.698902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.698902][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.698902][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.698902][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.698902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.698902][ T10] [ 1608.700418][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1608.700418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.700418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.700418][ T10] ipv6_find_idev+0x102/0x170 [ 1608.700418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.700418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.700418][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.700418][ T10] netlink_unicast+0x449/0x710 [ 1608.700418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.700418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.700418][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.700418][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.700418][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.700418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.700418][ T10] [ 1608.702103][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1608.702364][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1608.702364][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.702364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.702364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.702364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.702364][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.702364][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.702364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.702364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.702364][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.702364][ T10] netlink_unicast+0x449/0x710 [ 1608.702364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.702364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.702364][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.702364][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.702364][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.702364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.702364][ T10] [ 1608.704337][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1608.704337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.704337][ T10] ipv6_find_idev+0x102/0x170 [ 1608.704337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.704337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.704337][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.704337][ T10] netlink_unicast+0x449/0x710 [ 1608.704337][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.704337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.704337][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.704337][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.704337][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.704337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.704337][ T10] [ 1608.705880][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1608.705880][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.705880][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.705880][ T10] ipv6_find_idev+0x102/0x170 [ 1608.705880][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.705880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.705880][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.705880][ T10] netlink_unicast+0x449/0x710 [ 1608.705880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.705880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.705880][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.705880][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.705880][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.705880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.705880][ T10] [ 1608.707536][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1608.707809][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1608.707809][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.707809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.707809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.707809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.707809][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.707809][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.707809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.707809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.707809][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.707809][ T10] netlink_unicast+0x449/0x710 [ 1608.707809][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.707809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.707809][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.707809][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.707809][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.707809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.707809][ T10] [ 1608.709778][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1608.709778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.709778][ T10] ipv6_find_idev+0x102/0x170 [ 1608.709778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.709778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.709778][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.709778][ T10] netlink_unicast+0x449/0x710 [ 1608.709778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.709778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.709778][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.709778][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.709778][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.709778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.709778][ T10] [ 1608.711291][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1608.711291][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.711291][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.711291][ T10] ipv6_find_idev+0x102/0x170 [ 1608.711291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.711291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.711291][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.711291][ T10] netlink_unicast+0x449/0x710 [ 1608.711291][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.711291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.711291][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.711291][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.711291][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.711291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.711291][ T10] [ 1608.713367][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1608.713635][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1608.713635][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.713635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.713635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.713635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.713635][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.713635][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.713635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.713635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.713635][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.713635][ T10] netlink_unicast+0x449/0x710 [ 1608.713635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.713635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.713635][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.713635][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.713635][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.713635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.713635][ T10] [ 1608.715610][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1608.715610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.715610][ T10] ipv6_find_idev+0x102/0x170 [ 1608.715610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.715610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.715610][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.715610][ T10] netlink_unicast+0x449/0x710 [ 1608.715610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.715610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.715610][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.715610][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.715610][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.715610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.715610][ T10] [ 1608.717124][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1608.717124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.717124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.717124][ T10] ipv6_find_idev+0x102/0x170 [ 1608.717124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.717124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.717124][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.717124][ T10] netlink_unicast+0x449/0x710 [ 1608.717124][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.717124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.717124][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.717124][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.717124][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.717124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.717124][ T10] [ 1608.718856][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1608.719117][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1608.719117][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.719117][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.719117][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.719117][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.719117][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.719117][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.719117][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.719117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.719117][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.719117][ T10] netlink_unicast+0x449/0x710 [ 1608.719117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.719117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.719117][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.719117][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.719117][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.719117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.719117][ T10] [ 1608.721222][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1608.721222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.721222][ T10] ipv6_find_idev+0x102/0x170 [ 1608.721222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.721222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.721222][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.721222][ T10] netlink_unicast+0x449/0x710 [ 1608.721222][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.721222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.721222][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.721222][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.721222][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.721222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.721222][ T10] [ 1608.722985][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1608.722985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.722985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.722985][ T10] ipv6_find_idev+0x102/0x170 [ 1608.722985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.722985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.722985][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.722985][ T10] netlink_unicast+0x449/0x710 [ 1608.722985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.722985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.722985][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.722985][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.722985][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.722985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.722985][ T10] [ 1608.724882][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1608.725142][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1608.725142][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.725142][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.725142][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.725142][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.725142][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.725142][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.725142][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.725142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.725142][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.725142][ T10] netlink_unicast+0x449/0x710 [ 1608.725142][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.725142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.725142][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.725142][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.725142][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.725142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.725142][ T10] [ 1608.727375][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1608.727375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.727375][ T10] ipv6_find_idev+0x102/0x170 [ 1608.727375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.727375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.727375][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.727375][ T10] netlink_unicast+0x449/0x710 [ 1608.727375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.727375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.727375][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.727375][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.727375][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.727375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.727375][ T10] [ 1608.729076][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1608.729076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.729076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.729076][ T10] ipv6_find_idev+0x102/0x170 [ 1608.729076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.729076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.729076][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.729076][ T10] netlink_unicast+0x449/0x710 [ 1608.729076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.729076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.729076][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.729076][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.729076][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.729076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.729076][ T10] [ 1608.730973][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1608.731234][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1608.731234][ T10] netdev_get_by_index+0x5e/0x80 [ 1608.731234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1608.731234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1608.731234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1608.731234][ T10] ipv6_add_addr+0x411/0x2000 [ 1608.731234][ T10] inet6_addr_add+0x30e/0xa40 [ 1608.731234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1608.731234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.731234][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.731234][ T10] netlink_unicast+0x449/0x710 [ 1608.731234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.731234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.731234][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.731234][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.731234][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.731234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.731234][ T10] [ 1608.733504][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1608.733504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1608.733504][ T10] ipv6_find_idev+0x102/0x170 [ 1608.733504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.733504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.733504][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.733504][ T10] netlink_unicast+0x449/0x710 [ 1608.733504][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.733504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.733504][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.733504][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.733504][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.733504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.733504][ T10] [ 1608.735308][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1608.735308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1608.735308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1608.735308][ T10] ipv6_find_idev+0x102/0x170 [ 1608.735308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1608.735308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1608.735308][ T10] netlink_rcv_skb+0x130/0x360 [ 1608.735308][ T10] netlink_unicast+0x449/0x710 [ 1608.735308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1608.735308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1608.735308][ T10] ___sys_sendmsg+0xee/0x170 [ 1608.735308][ T10] __sys_sendmsg+0xcd/0x170 [ 1608.735308][ T10] do_syscall_64+0xc6/0x1e0 [ 1608.735308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1608.735308][ T10] [ 1618.834932][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1618.835384][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1618.835384][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.835384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.835384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.835384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.835384][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.835384][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.835384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.835384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.835384][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.835384][ T10] netlink_unicast+0x449/0x710 [ 1618.835384][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.835384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.835384][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.835384][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.835384][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.835384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.835384][ T10] [ 1618.837466][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1618.837466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.837466][ T10] ipv6_find_idev+0x102/0x170 [ 1618.837466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.837466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.837466][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.837466][ T10] netlink_unicast+0x449/0x710 [ 1618.837466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.837466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.837466][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.837466][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.837466][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.837466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.837466][ T10] [ 1618.839083][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1618.839083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.839083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.839083][ T10] ipv6_find_idev+0x102/0x170 [ 1618.839083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.839083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.839083][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.839083][ T10] netlink_unicast+0x449/0x710 [ 1618.839083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.839083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.839083][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.839083][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.839083][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.839083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.839083][ T10] [ 1618.840799][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1618.841077][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1618.841077][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.841077][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.841077][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.841077][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.841077][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.841077][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.841077][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.841077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.841077][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.841077][ T10] netlink_unicast+0x449/0x710 [ 1618.841077][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.841077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.841077][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.841077][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.841077][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.841077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.841077][ T10] [ 1618.843109][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1618.843109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.843109][ T10] ipv6_find_idev+0x102/0x170 [ 1618.843109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.843109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.843109][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.843109][ T10] netlink_unicast+0x449/0x710 [ 1618.843109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.843109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.843109][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.843109][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.843109][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.843109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.843109][ T10] [ 1618.844627][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1618.844627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.844627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.844627][ T10] ipv6_find_idev+0x102/0x170 [ 1618.844627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.844627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.844627][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.844627][ T10] netlink_unicast+0x449/0x710 [ 1618.844627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.844627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.844627][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.844627][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.844627][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.844627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.844627][ T10] [ 1618.846305][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1618.846599][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1618.846599][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.846599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.846599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.846599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.846599][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.846599][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.846599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.846599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.846599][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.846599][ T10] netlink_unicast+0x449/0x710 [ 1618.846599][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.846599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.846599][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.846599][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.846599][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.846599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.846599][ T10] [ 1618.848675][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1618.848675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.848675][ T10] ipv6_find_idev+0x102/0x170 [ 1618.848675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.848675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.848675][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.848675][ T10] netlink_unicast+0x449/0x710 [ 1618.848675][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.848675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.848675][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.848675][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.848675][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.848675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.848675][ T10] [ 1618.850258][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1618.850258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.850258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.850258][ T10] ipv6_find_idev+0x102/0x170 [ 1618.850258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.850258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.850258][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.850258][ T10] netlink_unicast+0x449/0x710 [ 1618.850258][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.850258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.850258][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.850258][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.850258][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.850258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.850258][ T10] [ 1618.852333][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1618.852595][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1618.852595][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.852595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.852595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.852595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.852595][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.852595][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.852595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.852595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.852595][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.852595][ T10] netlink_unicast+0x449/0x710 [ 1618.852595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.852595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.852595][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.852595][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.852595][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.852595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.852595][ T10] [ 1618.854596][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1618.854596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.854596][ T10] ipv6_find_idev+0x102/0x170 [ 1618.854596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.854596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.854596][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.854596][ T10] netlink_unicast+0x449/0x710 [ 1618.854596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.854596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.854596][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.854596][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.854596][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.854596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.854596][ T10] [ 1618.856160][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1618.856160][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.856160][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.856160][ T10] ipv6_find_idev+0x102/0x170 [ 1618.856160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.856160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.856160][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.856160][ T10] netlink_unicast+0x449/0x710 [ 1618.856160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.856160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.856160][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.856160][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.856160][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.856160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.856160][ T10] [ 1618.858049][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1618.858338][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1618.858338][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.858338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.858338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.858338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.858338][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.858338][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.858338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.858338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.858338][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.858338][ T10] netlink_unicast+0x449/0x710 [ 1618.858338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.858338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.858338][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.858338][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.858338][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.858338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.858338][ T10] [ 1618.860471][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1618.860471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.860471][ T10] ipv6_find_idev+0x102/0x170 [ 1618.860471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.860471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.860471][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.860471][ T10] netlink_unicast+0x449/0x710 [ 1618.860471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.860471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.860471][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.860471][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.860471][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.860471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.860471][ T10] [ 1618.862205][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1618.862205][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.862205][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.862205][ T10] ipv6_find_idev+0x102/0x170 [ 1618.862205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.862205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.862205][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.862205][ T10] netlink_unicast+0x449/0x710 [ 1618.862205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.862205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.862205][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.862205][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.862205][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.862205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.862205][ T10] [ 1618.864166][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1618.864471][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1618.864471][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.864471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.864471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.864471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.864471][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.864471][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.864471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.864471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.864471][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.864471][ T10] netlink_unicast+0x449/0x710 [ 1618.864471][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.864471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.864471][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.864471][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.864471][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.864471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.864471][ T10] [ 1618.866847][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1618.866847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.866847][ T10] ipv6_find_idev+0x102/0x170 [ 1618.866847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.866847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.866847][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.866847][ T10] netlink_unicast+0x449/0x710 [ 1618.866847][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.866847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.866847][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.866847][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.866847][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.866847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.866847][ T10] [ 1618.868758][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1618.868758][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.868758][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.868758][ T10] ipv6_find_idev+0x102/0x170 [ 1618.868758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.868758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.868758][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.868758][ T10] netlink_unicast+0x449/0x710 [ 1618.868758][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.868758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.868758][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.868758][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.868758][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.868758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.868758][ T10] [ 1618.870782][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1618.871099][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1618.871099][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.871099][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.871099][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.871099][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.871099][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.871099][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.871099][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.871099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.871099][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.871099][ T10] netlink_unicast+0x449/0x710 [ 1618.871099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.871099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.871099][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.871099][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.871099][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.871099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.871099][ T10] [ 1618.873393][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1618.873393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.873393][ T10] ipv6_find_idev+0x102/0x170 [ 1618.873393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.873393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.873393][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.873393][ T10] netlink_unicast+0x449/0x710 [ 1618.873393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.873393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.873393][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.873393][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.873393][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.873393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.873393][ T10] [ 1618.875289][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1618.875289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.875289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.875289][ T10] ipv6_find_idev+0x102/0x170 [ 1618.875289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.875289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.875289][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.875289][ T10] netlink_unicast+0x449/0x710 [ 1618.875289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.875289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.875289][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.875289][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.875289][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.875289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.875289][ T10] [ 1618.877482][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1618.877842][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1618.877842][ T10] netdev_get_by_index+0x5e/0x80 [ 1618.877842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1618.877842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1618.877842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1618.877842][ T10] ipv6_add_addr+0x411/0x2000 [ 1618.877842][ T10] inet6_addr_add+0x30e/0xa40 [ 1618.877842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1618.877842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.877842][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.877842][ T10] netlink_unicast+0x449/0x710 [ 1618.877842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.877842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.877842][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.877842][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.877842][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.877842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.877842][ T10] [ 1618.880339][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1618.880339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1618.880339][ T10] ipv6_find_idev+0x102/0x170 [ 1618.880339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.880339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.880339][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.880339][ T10] netlink_unicast+0x449/0x710 [ 1618.880339][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.880339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.880339][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.880339][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.880339][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.880339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.880339][ T10] [ 1618.882170][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1618.882170][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1618.882170][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1618.882170][ T10] ipv6_find_idev+0x102/0x170 [ 1618.882170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1618.882170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1618.882170][ T10] netlink_rcv_skb+0x130/0x360 [ 1618.882170][ T10] netlink_unicast+0x449/0x710 [ 1618.882170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1618.882170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1618.882170][ T10] ___sys_sendmsg+0xee/0x170 [ 1618.882170][ T10] __sys_sendmsg+0xcd/0x170 [ 1618.882170][ T10] do_syscall_64+0xc6/0x1e0 [ 1618.882170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1618.882170][ T10] [ 1629.122971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1629.123472][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1629.123472][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.123472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.123472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.123472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.123472][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.123472][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.123472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.123472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.123472][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.123472][ T10] netlink_unicast+0x449/0x710 [ 1629.123472][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.123472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.123472][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.123472][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.123472][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.123472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.123472][ T10] [ 1629.125499][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1629.125499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.125499][ T10] ipv6_find_idev+0x102/0x170 [ 1629.125499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.125499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.125499][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.125499][ T10] netlink_unicast+0x449/0x710 [ 1629.125499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.125499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.125499][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.125499][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.125499][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.125499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.125499][ T10] [ 1629.127030][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1629.127030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.127030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.127030][ T10] ipv6_find_idev+0x102/0x170 [ 1629.127030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.127030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.127030][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.127030][ T10] netlink_unicast+0x449/0x710 [ 1629.127030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.127030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.127030][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.127030][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.127030][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.127030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.127030][ T10] [ 1629.128719][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1629.128998][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1629.128998][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.128998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.128998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.128998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.128998][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.128998][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.128998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.128998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.128998][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.128998][ T10] netlink_unicast+0x449/0x710 [ 1629.128998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.128998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.128998][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.128998][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.128998][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.128998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.128998][ T10] [ 1629.130989][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1629.130989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.130989][ T10] ipv6_find_idev+0x102/0x170 [ 1629.130989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.130989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.130989][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.130989][ T10] netlink_unicast+0x449/0x710 [ 1629.130989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.130989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.130989][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.130989][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.130989][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.130989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.130989][ T10] [ 1629.132515][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1629.132515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.132515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.132515][ T10] ipv6_find_idev+0x102/0x170 [ 1629.132515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.132515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.132515][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.132515][ T10] netlink_unicast+0x449/0x710 [ 1629.132515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.132515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.132515][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.132515][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.132515][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.132515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.132515][ T10] [ 1629.134189][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1629.134449][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1629.134449][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.134449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.134449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.134449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.134449][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.134449][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.134449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.134449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.134449][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.134449][ T10] netlink_unicast+0x449/0x710 [ 1629.134449][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.134449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.134449][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.134449][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.134449][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.134449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.134449][ T10] [ 1629.136438][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1629.136438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.136438][ T10] ipv6_find_idev+0x102/0x170 [ 1629.136438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.136438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.136438][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.136438][ T10] netlink_unicast+0x449/0x710 [ 1629.136438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.136438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.136438][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.136438][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.136438][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.136438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.136438][ T10] [ 1629.137982][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1629.137982][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.137982][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.137982][ T10] ipv6_find_idev+0x102/0x170 [ 1629.137982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.137982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.137982][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.137982][ T10] netlink_unicast+0x449/0x710 [ 1629.137982][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.137982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.137982][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.137982][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.137982][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.137982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.137982][ T10] [ 1629.139656][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1629.139994][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1629.139994][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.139994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.139994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.139994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.139994][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.139994][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.139994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.139994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.139994][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.139994][ T10] netlink_unicast+0x449/0x710 [ 1629.139994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.139994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.139994][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.139994][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.139994][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.139994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.139994][ T10] [ 1629.141993][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1629.141993][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.141993][ T10] ipv6_find_idev+0x102/0x170 [ 1629.141993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.141993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.141993][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.141993][ T10] netlink_unicast+0x449/0x710 [ 1629.141993][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.141993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.141993][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.141993][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.141993][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.141993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.141993][ T10] [ 1629.143518][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1629.143518][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.143518][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.143518][ T10] ipv6_find_idev+0x102/0x170 [ 1629.143518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.143518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.143518][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.143518][ T10] netlink_unicast+0x449/0x710 [ 1629.143518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.143518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.143518][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.143518][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.143518][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.143518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.143518][ T10] [ 1629.145231][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1629.145550][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1629.145550][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.145550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.145550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.145550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.145550][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.145550][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.145550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.145550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.145550][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.145550][ T10] netlink_unicast+0x449/0x710 [ 1629.145550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.145550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.145550][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.145550][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.145550][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.145550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.145550][ T10] [ 1629.147521][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1629.147521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.147521][ T10] ipv6_find_idev+0x102/0x170 [ 1629.147521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.147521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.147521][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.147521][ T10] netlink_unicast+0x449/0x710 [ 1629.147521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.147521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.147521][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.147521][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.147521][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.147521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.147521][ T10] [ 1629.149043][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1629.149043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.149043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.149043][ T10] ipv6_find_idev+0x102/0x170 [ 1629.149043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.149043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.149043][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.149043][ T10] netlink_unicast+0x449/0x710 [ 1629.149043][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.149043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.149043][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.149043][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.149043][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.149043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.149043][ T10] [ 1629.150934][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1629.151193][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1629.151193][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.151193][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.151193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.151193][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.151193][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.151193][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.151193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.151193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.151193][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.151193][ T10] netlink_unicast+0x449/0x710 [ 1629.151193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.151193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.151193][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.151193][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.151193][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.151193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.151193][ T10] [ 1629.153415][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1629.153415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.153415][ T10] ipv6_find_idev+0x102/0x170 [ 1629.153415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.153415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.153415][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.153415][ T10] netlink_unicast+0x449/0x710 [ 1629.153415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.153415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.153415][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.153415][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.153415][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.153415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.153415][ T10] [ 1629.155116][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1629.155116][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.155116][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.155116][ T10] ipv6_find_idev+0x102/0x170 [ 1629.155116][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.155116][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.155116][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.155116][ T10] netlink_unicast+0x449/0x710 [ 1629.155116][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.155116][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.155116][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.155116][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.155116][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.155116][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.155116][ T10] [ 1629.157085][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1629.157353][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1629.157353][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.157353][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.157353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.157353][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.157353][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.157353][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.157353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.157353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.157353][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.157353][ T10] netlink_unicast+0x449/0x710 [ 1629.157353][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.157353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.157353][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.157353][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.157353][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.157353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.157353][ T10] [ 1629.159503][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1629.159503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.159503][ T10] ipv6_find_idev+0x102/0x170 [ 1629.159503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.159503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.159503][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.159503][ T10] netlink_unicast+0x449/0x710 [ 1629.159503][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.159503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.159503][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.159503][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.159503][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.159503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.159503][ T10] [ 1629.161197][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1629.161197][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.161197][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.161197][ T10] ipv6_find_idev+0x102/0x170 [ 1629.161197][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.161197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.161197][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.161197][ T10] netlink_unicast+0x449/0x710 [ 1629.161197][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.161197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.161197][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.161197][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.161197][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.161197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.161197][ T10] [ 1629.163137][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1629.163412][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1629.163412][ T10] netdev_get_by_index+0x5e/0x80 [ 1629.163412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1629.163412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1629.163412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1629.163412][ T10] ipv6_add_addr+0x411/0x2000 [ 1629.163412][ T10] inet6_addr_add+0x30e/0xa40 [ 1629.163412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1629.163412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.163412][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.163412][ T10] netlink_unicast+0x449/0x710 [ 1629.163412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.163412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.163412][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.163412][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.163412][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.163412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.163412][ T10] [ 1629.165637][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1629.165637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1629.165637][ T10] ipv6_find_idev+0x102/0x170 [ 1629.165637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.165637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.165637][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.165637][ T10] netlink_unicast+0x449/0x710 [ 1629.165637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.165637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.165637][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.165637][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.165637][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.165637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.165637][ T10] [ 1629.167344][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1629.167344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1629.167344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1629.167344][ T10] ipv6_find_idev+0x102/0x170 [ 1629.167344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1629.167344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1629.167344][ T10] netlink_rcv_skb+0x130/0x360 [ 1629.167344][ T10] netlink_unicast+0x449/0x710 [ 1629.167344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1629.167344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1629.167344][ T10] ___sys_sendmsg+0xee/0x170 [ 1629.167344][ T10] __sys_sendmsg+0xcd/0x170 [ 1629.167344][ T10] do_syscall_64+0xc6/0x1e0 [ 1629.167344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1629.167344][ T10] [ 1639.259061][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1639.259548][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1639.259548][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.259548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.259548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.259548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.259548][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.259548][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.259548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.259548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.259548][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.259548][ T10] netlink_unicast+0x449/0x710 [ 1639.259548][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.259548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.259548][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.259548][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.259548][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.259548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.259548][ T10] [ 1639.261527][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1639.261527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.261527][ T10] ipv6_find_idev+0x102/0x170 [ 1639.261527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.261527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.261527][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.261527][ T10] netlink_unicast+0x449/0x710 [ 1639.261527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.261527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.261527][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.261527][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.261527][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.261527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.261527][ T10] [ 1639.263046][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1639.263046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.263046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.263046][ T10] ipv6_find_idev+0x102/0x170 [ 1639.263046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.263046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.263046][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.263046][ T10] netlink_unicast+0x449/0x710 [ 1639.263046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.263046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.263046][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.263046][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.263046][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.263046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.263046][ T10] [ 1639.264718][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1639.264998][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1639.264998][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.264998][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.264998][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.264998][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.264998][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.264998][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.264998][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.264998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.264998][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.264998][ T10] netlink_unicast+0x449/0x710 [ 1639.264998][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.264998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.264998][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.264998][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.264998][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.264998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.264998][ T10] [ 1639.266981][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1639.266981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.266981][ T10] ipv6_find_idev+0x102/0x170 [ 1639.266981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.266981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.266981][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.266981][ T10] netlink_unicast+0x449/0x710 [ 1639.266981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.266981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.266981][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.266981][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.266981][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.266981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.266981][ T10] [ 1639.268494][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1639.268494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.268494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.268494][ T10] ipv6_find_idev+0x102/0x170 [ 1639.268494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.268494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.268494][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.268494][ T10] netlink_unicast+0x449/0x710 [ 1639.268494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.268494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.268494][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.268494][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.268494][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.268494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.268494][ T10] [ 1639.270157][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1639.270425][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1639.270425][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.270425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.270425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.270425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.270425][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.270425][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.270425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.270425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.270425][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.270425][ T10] netlink_unicast+0x449/0x710 [ 1639.270425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.270425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.270425][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.270425][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.270425][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.270425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.270425][ T10] [ 1639.272400][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1639.272400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.272400][ T10] ipv6_find_idev+0x102/0x170 [ 1639.272400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.272400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.272400][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.272400][ T10] netlink_unicast+0x449/0x710 [ 1639.272400][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.272400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.272400][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.272400][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.272400][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.272400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.272400][ T10] [ 1639.273921][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1639.273921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.273921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.273921][ T10] ipv6_find_idev+0x102/0x170 [ 1639.273921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.273921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.273921][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.273921][ T10] netlink_unicast+0x449/0x710 [ 1639.273921][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.273921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.273921][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.273921][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.273921][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.273921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.273921][ T10] [ 1639.275588][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1639.275850][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1639.275850][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.275850][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.275850][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.275850][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.275850][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.275850][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.275850][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.275850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.275850][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.275850][ T10] netlink_unicast+0x449/0x710 [ 1639.275850][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.275850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.275850][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.275850][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.275850][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.275850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.275850][ T10] [ 1639.277839][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1639.277839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.277839][ T10] ipv6_find_idev+0x102/0x170 [ 1639.277839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.277839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.277839][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.277839][ T10] netlink_unicast+0x449/0x710 [ 1639.277839][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.277839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.277839][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.277839][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.277839][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.277839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.277839][ T10] [ 1639.279367][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1639.279367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.279367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.279367][ T10] ipv6_find_idev+0x102/0x170 [ 1639.279367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.279367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.279367][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.279367][ T10] netlink_unicast+0x449/0x710 [ 1639.279367][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.279367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.279367][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.279367][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.279367][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.279367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.279367][ T10] [ 1639.281084][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1639.281343][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1639.281343][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.281343][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.281343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.281343][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.281343][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.281343][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.281343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.281343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.281343][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.281343][ T10] netlink_unicast+0x449/0x710 [ 1639.281343][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.281343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.281343][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.281343][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.281343][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.281343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.281343][ T10] [ 1639.283299][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1639.283299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.283299][ T10] ipv6_find_idev+0x102/0x170 [ 1639.283299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.283299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.283299][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.283299][ T10] netlink_unicast+0x449/0x710 [ 1639.283299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.283299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.283299][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.283299][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.283299][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.283299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.283299][ T10] [ 1639.284827][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1639.284827][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.284827][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.284827][ T10] ipv6_find_idev+0x102/0x170 [ 1639.284827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.284827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.284827][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.284827][ T10] netlink_unicast+0x449/0x710 [ 1639.284827][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.284827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.284827][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.284827][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.284827][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.284827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.284827][ T10] [ 1639.286778][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1639.287091][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1639.287091][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.287091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.287091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.287091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.287091][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.287091][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.287091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.287091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.287091][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.287091][ T10] netlink_unicast+0x449/0x710 [ 1639.287091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.287091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.287091][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.287091][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.287091][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.287091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.287091][ T10] [ 1639.289241][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1639.289241][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.289241][ T10] ipv6_find_idev+0x102/0x170 [ 1639.289241][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.289241][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.289241][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.289241][ T10] netlink_unicast+0x449/0x710 [ 1639.289241][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.289241][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.289241][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.289241][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.289241][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.289241][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.289241][ T10] [ 1639.290930][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1639.290930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.290930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.290930][ T10] ipv6_find_idev+0x102/0x170 [ 1639.290930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.290930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.290930][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.290930][ T10] netlink_unicast+0x449/0x710 [ 1639.290930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.290930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.290930][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.290930][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.290930][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.290930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.290930][ T10] [ 1639.292800][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1639.293108][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1639.293108][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.293108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.293108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.293108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.293108][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.293108][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.293108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.293108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.293108][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.293108][ T10] netlink_unicast+0x449/0x710 [ 1639.293108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.293108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.293108][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.293108][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.293108][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.293108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.293108][ T10] [ 1639.295257][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1639.295257][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.295257][ T10] ipv6_find_idev+0x102/0x170 [ 1639.295257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.295257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.295257][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.295257][ T10] netlink_unicast+0x449/0x710 [ 1639.295257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.295257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.295257][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.295257][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.295257][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.295257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.295257][ T10] [ 1639.296949][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1639.296949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.296949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.296949][ T10] ipv6_find_idev+0x102/0x170 [ 1639.296949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.296949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.296949][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.296949][ T10] netlink_unicast+0x449/0x710 [ 1639.296949][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.296949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.296949][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.296949][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.296949][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.296949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.296949][ T10] [ 1639.298909][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1639.299172][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1639.299172][ T10] netdev_get_by_index+0x5e/0x80 [ 1639.299172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1639.299172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1639.299172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1639.299172][ T10] ipv6_add_addr+0x411/0x2000 [ 1639.299172][ T10] inet6_addr_add+0x30e/0xa40 [ 1639.299172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1639.299172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.299172][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.299172][ T10] netlink_unicast+0x449/0x710 [ 1639.299172][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.299172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.299172][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.299172][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.299172][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.299172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.299172][ T10] [ 1639.301380][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1639.301380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1639.301380][ T10] ipv6_find_idev+0x102/0x170 [ 1639.301380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.301380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.301380][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.301380][ T10] netlink_unicast+0x449/0x710 [ 1639.301380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.301380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.301380][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.301380][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.301380][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.301380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.301380][ T10] [ 1639.303076][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1639.303076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1639.303076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1639.303076][ T10] ipv6_find_idev+0x102/0x170 [ 1639.303076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1639.303076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1639.303076][ T10] netlink_rcv_skb+0x130/0x360 [ 1639.303076][ T10] netlink_unicast+0x449/0x710 [ 1639.303076][ T10] netlink_sendmsg+0x723/0xbe0 [ 1639.303076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1639.303076][ T10] ___sys_sendmsg+0xee/0x170 [ 1639.303076][ T10] __sys_sendmsg+0xcd/0x170 [ 1639.303076][ T10] do_syscall_64+0xc6/0x1e0 [ 1639.303076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1639.303076][ T10] [ 1649.307026][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1649.307499][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1649.307499][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.307499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.307499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.307499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.307499][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.307499][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.307499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.307499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.307499][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.307499][ T10] netlink_unicast+0x449/0x710 [ 1649.307499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.307499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.307499][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.307499][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.307499][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.307499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.307499][ T10] [ 1649.309653][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1649.309653][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.309653][ T10] ipv6_find_idev+0x102/0x170 [ 1649.309653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.309653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.309653][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.309653][ T10] netlink_unicast+0x449/0x710 [ 1649.309653][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.309653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.309653][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.309653][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.309653][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.309653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.309653][ T10] [ 1649.311308][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1649.311308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.311308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.311308][ T10] ipv6_find_idev+0x102/0x170 [ 1649.311308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.311308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.311308][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.311308][ T10] netlink_unicast+0x449/0x710 [ 1649.311308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.311308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.311308][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.311308][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.311308][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.311308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.311308][ T10] [ 1649.313158][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1649.313481][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1649.313481][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.313481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.313481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.313481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.313481][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.313481][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.313481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.313481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.313481][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.313481][ T10] netlink_unicast+0x449/0x710 [ 1649.313481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.313481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.313481][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.313481][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.313481][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.313481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.313481][ T10] [ 1649.315671][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1649.315671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.315671][ T10] ipv6_find_idev+0x102/0x170 [ 1649.315671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.315671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.315671][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.315671][ T10] netlink_unicast+0x449/0x710 [ 1649.315671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.315671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.315671][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.315671][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.315671][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.315671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.315671][ T10] [ 1649.317348][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1649.317348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.317348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.317348][ T10] ipv6_find_idev+0x102/0x170 [ 1649.317348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.317348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.317348][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.317348][ T10] netlink_unicast+0x449/0x710 [ 1649.317348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.317348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.317348][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.317348][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.317348][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.317348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.317348][ T10] [ 1649.319232][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1649.319516][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1649.319516][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.319516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.319516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.319516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.319516][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.319516][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.319516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.319516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.319516][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.319516][ T10] netlink_unicast+0x449/0x710 [ 1649.319516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.319516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.319516][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.319516][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.319516][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.319516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.319516][ T10] [ 1649.321699][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1649.321699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.321699][ T10] ipv6_find_idev+0x102/0x170 [ 1649.321699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.321699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.321699][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.321699][ T10] netlink_unicast+0x449/0x710 [ 1649.321699][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.321699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.321699][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.321699][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.321699][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.321699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.321699][ T10] [ 1649.323373][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1649.323373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.323373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.323373][ T10] ipv6_find_idev+0x102/0x170 [ 1649.323373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.323373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.323373][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.323373][ T10] netlink_unicast+0x449/0x710 [ 1649.323373][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.323373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.323373][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.323373][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.323373][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.323373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.323373][ T10] [ 1649.325205][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1649.325502][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1649.325502][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.325502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.325502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.325502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.325502][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.325502][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.325502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.325502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.325502][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.325502][ T10] netlink_unicast+0x449/0x710 [ 1649.325502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.325502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.325502][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.325502][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.325502][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.325502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.325502][ T10] [ 1649.327673][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1649.327673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.327673][ T10] ipv6_find_idev+0x102/0x170 [ 1649.327673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.327673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.327673][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.327673][ T10] netlink_unicast+0x449/0x710 [ 1649.327673][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.327673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.327673][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.327673][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.327673][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.327673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.327673][ T10] [ 1649.329340][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1649.329340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.329340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.329340][ T10] ipv6_find_idev+0x102/0x170 [ 1649.329340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.329340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.329340][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.329340][ T10] netlink_unicast+0x449/0x710 [ 1649.329340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.329340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.329340][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.329340][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.329340][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.329340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.329340][ T10] [ 1649.331554][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1649.332187][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1649.332187][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.332187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.332187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.332187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.332187][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.332187][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.332187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.332187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.332187][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.332187][ T10] netlink_unicast+0x449/0x710 [ 1649.332187][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.332187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.332187][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.332187][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.332187][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.332187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.332187][ T10] [ 1649.334341][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1649.334341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.334341][ T10] ipv6_find_idev+0x102/0x170 [ 1649.334341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.334341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.334341][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.334341][ T10] netlink_unicast+0x449/0x710 [ 1649.334341][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.334341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.334341][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.334341][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.334341][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.334341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.334341][ T10] [ 1649.336009][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1649.336009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.336009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.336009][ T10] ipv6_find_idev+0x102/0x170 [ 1649.336009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.336009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.336009][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.336009][ T10] netlink_unicast+0x449/0x710 [ 1649.336009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.336009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.336009][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.336009][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.336009][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.336009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.336009][ T10] [ 1649.337833][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1649.338121][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1649.338121][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.338121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.338121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.338121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.338121][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.338121][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.338121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.338121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.338121][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.338121][ T10] netlink_unicast+0x449/0x710 [ 1649.338121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.338121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.338121][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.338121][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.338121][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.338121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.338121][ T10] [ 1649.340269][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1649.340269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.340269][ T10] ipv6_find_idev+0x102/0x170 [ 1649.340269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.340269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.340269][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.340269][ T10] netlink_unicast+0x449/0x710 [ 1649.340269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.340269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.340269][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.340269][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.340269][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.340269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.340269][ T10] [ 1649.341958][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1649.341958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.341958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.341958][ T10] ipv6_find_idev+0x102/0x170 [ 1649.341958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.341958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.341958][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.341958][ T10] netlink_unicast+0x449/0x710 [ 1649.341958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.341958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.341958][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.341958][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.341958][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.341958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.341958][ T10] [ 1649.344065][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1649.344391][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1649.344391][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.344391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.344391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.344391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.344391][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.344391][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.344391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.344391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.344391][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.344391][ T10] netlink_unicast+0x449/0x710 [ 1649.344391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.344391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.344391][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.344391][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.344391][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.344391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.344391][ T10] [ 1649.346747][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1649.346747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.346747][ T10] ipv6_find_idev+0x102/0x170 [ 1649.346747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.346747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.346747][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.346747][ T10] netlink_unicast+0x449/0x710 [ 1649.346747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.346747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.346747][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.346747][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.346747][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.346747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.346747][ T10] [ 1649.348615][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1649.348615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.348615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.348615][ T10] ipv6_find_idev+0x102/0x170 [ 1649.348615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.348615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.348615][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.348615][ T10] netlink_unicast+0x449/0x710 [ 1649.348615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.348615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.348615][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.348615][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.348615][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.348615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.348615][ T10] [ 1649.350676][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1649.351021][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1649.351021][ T10] netdev_get_by_index+0x5e/0x80 [ 1649.351021][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1649.351021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1649.351021][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1649.351021][ T10] ipv6_add_addr+0x411/0x2000 [ 1649.351021][ T10] inet6_addr_add+0x30e/0xa40 [ 1649.351021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1649.351021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.351021][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.351021][ T10] netlink_unicast+0x449/0x710 [ 1649.351021][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.351021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.351021][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.351021][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.351021][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.351021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.351021][ T10] [ 1649.353403][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1649.353403][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1649.353403][ T10] ipv6_find_idev+0x102/0x170 [ 1649.353403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.353403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.353403][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.353403][ T10] netlink_unicast+0x449/0x710 [ 1649.353403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.353403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.353403][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.353403][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.353403][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.353403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.353403][ T10] [ 1649.355252][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1649.355252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1649.355252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1649.355252][ T10] ipv6_find_idev+0x102/0x170 [ 1649.355252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1649.355252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1649.355252][ T10] netlink_rcv_skb+0x130/0x360 [ 1649.355252][ T10] netlink_unicast+0x449/0x710 [ 1649.355252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1649.355252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1649.355252][ T10] ___sys_sendmsg+0xee/0x170 [ 1649.355252][ T10] __sys_sendmsg+0xcd/0x170 [ 1649.355252][ T10] do_syscall_64+0xc6/0x1e0 [ 1649.355252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1649.355252][ T10] [ 1659.594989][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1659.595481][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1659.595481][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.595481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.595481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.595481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.595481][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.595481][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.595481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.595481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.595481][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.595481][ T10] netlink_unicast+0x449/0x710 [ 1659.595481][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.595481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.595481][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.595481][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.595481][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.595481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.595481][ T10] [ 1659.597560][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1659.597560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.597560][ T10] ipv6_find_idev+0x102/0x170 [ 1659.597560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.597560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.597560][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.597560][ T10] netlink_unicast+0x449/0x710 [ 1659.597560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.597560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.597560][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.597560][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.597560][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.597560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.597560][ T10] [ 1659.599184][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1659.599184][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.599184][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.599184][ T10] ipv6_find_idev+0x102/0x170 [ 1659.599184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.599184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.599184][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.599184][ T10] netlink_unicast+0x449/0x710 [ 1659.599184][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.599184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.599184][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.599184][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.599184][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.599184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.599184][ T10] [ 1659.600932][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1659.601217][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1659.601217][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.601217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.601217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.601217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.601217][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.601217][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.601217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.601217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.601217][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.601217][ T10] netlink_unicast+0x449/0x710 [ 1659.601217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.601217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.601217][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.601217][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.601217][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.601217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.601217][ T10] [ 1659.603208][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1659.603208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.603208][ T10] ipv6_find_idev+0x102/0x170 [ 1659.603208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.603208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.603208][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.603208][ T10] netlink_unicast+0x449/0x710 [ 1659.603208][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.603208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.603208][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.603208][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.603208][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.603208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.603208][ T10] [ 1659.604741][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1659.604741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.604741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.604741][ T10] ipv6_find_idev+0x102/0x170 [ 1659.604741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.604741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.604741][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.604741][ T10] netlink_unicast+0x449/0x710 [ 1659.604741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.604741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.604741][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.604741][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.604741][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.604741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.604741][ T10] [ 1659.606435][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1659.606698][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1659.606698][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.606698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.606698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.606698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.606698][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.606698][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.606698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.606698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.606698][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.606698][ T10] netlink_unicast+0x449/0x710 [ 1659.606698][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.606698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.606698][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.606698][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.606698][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.606698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.606698][ T10] [ 1659.608697][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1659.608697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.608697][ T10] ipv6_find_idev+0x102/0x170 [ 1659.608697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.608697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.608697][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.608697][ T10] netlink_unicast+0x449/0x710 [ 1659.608697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.608697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.608697][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.608697][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.608697][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.608697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.608697][ T10] [ 1659.610228][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1659.610228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.610228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.610228][ T10] ipv6_find_idev+0x102/0x170 [ 1659.610228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.610228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.610228][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.610228][ T10] netlink_unicast+0x449/0x710 [ 1659.610228][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.610228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.610228][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.610228][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.610228][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.610228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.610228][ T10] [ 1659.611926][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1659.612199][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1659.612199][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.612199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.612199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.612199][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.612199][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.612199][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.612199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.612199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.612199][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.612199][ T10] netlink_unicast+0x449/0x710 [ 1659.612199][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.612199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.612199][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.612199][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.612199][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.612199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.612199][ T10] [ 1659.614194][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1659.614194][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.614194][ T10] ipv6_find_idev+0x102/0x170 [ 1659.614194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.614194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.614194][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.614194][ T10] netlink_unicast+0x449/0x710 [ 1659.614194][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.614194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.614194][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.614194][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.614194][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.614194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.614194][ T10] [ 1659.615745][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1659.615745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.615745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.615745][ T10] ipv6_find_idev+0x102/0x170 [ 1659.615745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.615745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.615745][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.615745][ T10] netlink_unicast+0x449/0x710 [ 1659.615745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.615745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.615745][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.615745][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.615745][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.615745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.615745][ T10] [ 1659.617861][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1659.618456][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1659.618456][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.618456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.618456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.618456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.618456][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.618456][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.618456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.618456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.618456][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.618456][ T10] netlink_unicast+0x449/0x710 [ 1659.618456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.618456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.618456][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.618456][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.618456][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.618456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.618456][ T10] [ 1659.620448][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1659.620448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.620448][ T10] ipv6_find_idev+0x102/0x170 [ 1659.620448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.620448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.620448][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.620448][ T10] netlink_unicast+0x449/0x710 [ 1659.620448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.620448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.620448][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.620448][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.620448][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.620448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.620448][ T10] [ 1659.621983][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1659.621983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.621983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.621983][ T10] ipv6_find_idev+0x102/0x170 [ 1659.621983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.621983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.621983][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.621983][ T10] netlink_unicast+0x449/0x710 [ 1659.621983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.621983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.621983][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.621983][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.621983][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.621983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.621983][ T10] [ 1659.623666][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1659.623985][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1659.623985][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.623985][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.623985][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.623985][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.623985][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.623985][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.623985][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.623985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.623985][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.623985][ T10] netlink_unicast+0x449/0x710 [ 1659.623985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.623985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.623985][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.623985][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.623985][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.623985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.623985][ T10] [ 1659.626010][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1659.626010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.626010][ T10] ipv6_find_idev+0x102/0x170 [ 1659.626010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.626010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.626010][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.626010][ T10] netlink_unicast+0x449/0x710 [ 1659.626010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.626010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.626010][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.626010][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.626010][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.626010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.626010][ T10] [ 1659.627560][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1659.627560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.627560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.627560][ T10] ipv6_find_idev+0x102/0x170 [ 1659.627560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.627560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.627560][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.627560][ T10] netlink_unicast+0x449/0x710 [ 1659.627560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.627560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.627560][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.627560][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.627560][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.627560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.627560][ T10] [ 1659.629518][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1659.629826][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1659.629826][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.629826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.629826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.629826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.629826][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.629826][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.629826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.629826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.629826][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.629826][ T10] netlink_unicast+0x449/0x710 [ 1659.629826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.629826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.629826][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.629826][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.629826][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.629826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.629826][ T10] [ 1659.631987][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1659.631987][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.631987][ T10] ipv6_find_idev+0x102/0x170 [ 1659.631987][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.631987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.631987][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.631987][ T10] netlink_unicast+0x449/0x710 [ 1659.631987][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.631987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.631987][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.631987][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.631987][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.631987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.631987][ T10] [ 1659.633788][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1659.633788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.633788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.633788][ T10] ipv6_find_idev+0x102/0x170 [ 1659.633788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.633788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.633788][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.633788][ T10] netlink_unicast+0x449/0x710 [ 1659.633788][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.633788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.633788][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.633788][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.633788][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.633788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.633788][ T10] [ 1659.635652][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1659.635971][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1659.635971][ T10] netdev_get_by_index+0x5e/0x80 [ 1659.635971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1659.635971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1659.635971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1659.635971][ T10] ipv6_add_addr+0x411/0x2000 [ 1659.635971][ T10] inet6_addr_add+0x30e/0xa40 [ 1659.635971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1659.635971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.635971][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.635971][ T10] netlink_unicast+0x449/0x710 [ 1659.635971][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.635971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.635971][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.635971][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.635971][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.635971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.635971][ T10] [ 1659.638093][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1659.638093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1659.638093][ T10] ipv6_find_idev+0x102/0x170 [ 1659.638093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.638093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.638093][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.638093][ T10] netlink_unicast+0x449/0x710 [ 1659.638093][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.638093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.638093][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.638093][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.638093][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.638093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.638093][ T10] [ 1659.639681][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1659.639681][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1659.639681][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1659.639681][ T10] ipv6_find_idev+0x102/0x170 [ 1659.639681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1659.639681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1659.639681][ T10] netlink_rcv_skb+0x130/0x360 [ 1659.639681][ T10] netlink_unicast+0x449/0x710 [ 1659.639681][ T10] netlink_sendmsg+0x723/0xbe0 [ 1659.639681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1659.639681][ T10] ___sys_sendmsg+0xee/0x170 [ 1659.639681][ T10] __sys_sendmsg+0xcd/0x170 [ 1659.639681][ T10] do_syscall_64+0xc6/0x1e0 [ 1659.639681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1659.639681][ T10] [ 1670.219129][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1670.219549][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1670.219549][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.219549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.219549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.219549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.219549][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.219549][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.219549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.219549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.219549][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.219549][ T10] netlink_unicast+0x449/0x710 [ 1670.219549][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.219549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.219549][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.219549][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.219549][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.219549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.219549][ T10] [ 1670.221542][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1670.221542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.221542][ T10] ipv6_find_idev+0x102/0x170 [ 1670.221542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.221542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.221542][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.221542][ T10] netlink_unicast+0x449/0x710 [ 1670.221542][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.221542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.221542][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.221542][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.221542][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.221542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.221542][ T10] [ 1670.223060][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1670.223060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.223060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.223060][ T10] ipv6_find_idev+0x102/0x170 [ 1670.223060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.223060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.223060][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.223060][ T10] netlink_unicast+0x449/0x710 [ 1670.223060][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.223060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.223060][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.223060][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.223060][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.223060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.223060][ T10] [ 1670.224741][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1670.225026][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1670.225026][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.225026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.225026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.225026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.225026][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.225026][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.225026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.225026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.225026][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.225026][ T10] netlink_unicast+0x449/0x710 [ 1670.225026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.225026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.225026][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.225026][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.225026][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.225026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.225026][ T10] [ 1670.227026][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1670.227026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.227026][ T10] ipv6_find_idev+0x102/0x170 [ 1670.227026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.227026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.227026][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.227026][ T10] netlink_unicast+0x449/0x710 [ 1670.227026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.227026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.227026][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.227026][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.227026][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.227026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.227026][ T10] [ 1670.228557][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1670.228557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.228557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.228557][ T10] ipv6_find_idev+0x102/0x170 [ 1670.228557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.228557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.228557][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.228557][ T10] netlink_unicast+0x449/0x710 [ 1670.228557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.228557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.228557][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.228557][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.228557][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.228557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.228557][ T10] [ 1670.230217][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1670.230487][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1670.230487][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.230487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.230487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.230487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.230487][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.230487][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.230487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.230487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.230487][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.230487][ T10] netlink_unicast+0x449/0x710 [ 1670.230487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.230487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.230487][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.230487][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.230487][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.230487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.230487][ T10] [ 1670.232456][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1670.232456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.232456][ T10] ipv6_find_idev+0x102/0x170 [ 1670.232456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.232456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.232456][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.232456][ T10] netlink_unicast+0x449/0x710 [ 1670.232456][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.232456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.232456][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.232456][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.232456][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.232456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.232456][ T10] [ 1670.233978][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1670.233978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.233978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.233978][ T10] ipv6_find_idev+0x102/0x170 [ 1670.233978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.233978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.233978][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.233978][ T10] netlink_unicast+0x449/0x710 [ 1670.233978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.233978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.233978][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.233978][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.233978][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.233978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.233978][ T10] [ 1670.235644][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1670.236342][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1670.236342][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.236342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.236342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.236342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.236342][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.236342][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.236342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.236342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.236342][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.236342][ T10] netlink_unicast+0x449/0x710 [ 1670.236342][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.236342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.236342][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.236342][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.236342][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.236342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.236342][ T10] [ 1670.238311][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1670.238311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.238311][ T10] ipv6_find_idev+0x102/0x170 [ 1670.238311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.238311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.238311][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.238311][ T10] netlink_unicast+0x449/0x710 [ 1670.238311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.238311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.238311][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.238311][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.238311][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.238311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.238311][ T10] [ 1670.239815][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1670.239815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.239815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.239815][ T10] ipv6_find_idev+0x102/0x170 [ 1670.239815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.239815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.239815][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.239815][ T10] netlink_unicast+0x449/0x710 [ 1670.239815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.239815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.239815][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.239815][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.239815][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.239815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.239815][ T10] [ 1670.241508][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1670.241771][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1670.241771][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.241771][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.241771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.241771][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.241771][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.241771][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.241771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.241771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.241771][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.241771][ T10] netlink_unicast+0x449/0x710 [ 1670.241771][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.241771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.241771][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.241771][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.241771][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.241771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.241771][ T10] [ 1670.243740][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1670.243740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.243740][ T10] ipv6_find_idev+0x102/0x170 [ 1670.243740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.243740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.243740][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.243740][ T10] netlink_unicast+0x449/0x710 [ 1670.243740][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.243740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.243740][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.243740][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.243740][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.243740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.243740][ T10] [ 1670.245257][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1670.245257][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.245257][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.245257][ T10] ipv6_find_idev+0x102/0x170 [ 1670.245257][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.245257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.245257][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.245257][ T10] netlink_unicast+0x449/0x710 [ 1670.245257][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.245257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.245257][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.245257][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.245257][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.245257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.245257][ T10] [ 1670.246951][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1670.247217][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1670.247217][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.247217][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.247217][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.247217][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.247217][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.247217][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.247217][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.247217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.247217][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.247217][ T10] netlink_unicast+0x449/0x710 [ 1670.247217][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.247217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.247217][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.247217][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.247217][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.247217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.247217][ T10] [ 1670.249423][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1670.249423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.249423][ T10] ipv6_find_idev+0x102/0x170 [ 1670.249423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.249423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.249423][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.249423][ T10] netlink_unicast+0x449/0x710 [ 1670.249423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.249423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.249423][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.249423][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.249423][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.249423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.249423][ T10] [ 1670.251216][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1670.251216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.251216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.251216][ T10] ipv6_find_idev+0x102/0x170 [ 1670.251216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.251216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.251216][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.251216][ T10] netlink_unicast+0x449/0x710 [ 1670.251216][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.251216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.251216][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.251216][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.251216][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.251216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.251216][ T10] [ 1670.253196][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1670.253462][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1670.253462][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.253462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.253462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.253462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.253462][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.253462][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.253462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.253462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.253462][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.253462][ T10] netlink_unicast+0x449/0x710 [ 1670.253462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.253462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.253462][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.253462][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.253462][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.253462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.253462][ T10] [ 1670.255662][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1670.255662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.255662][ T10] ipv6_find_idev+0x102/0x170 [ 1670.255662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.255662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.255662][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.255662][ T10] netlink_unicast+0x449/0x710 [ 1670.255662][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.255662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.255662][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.255662][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.255662][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.255662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.255662][ T10] [ 1670.257403][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1670.257403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.257403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.257403][ T10] ipv6_find_idev+0x102/0x170 [ 1670.257403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.257403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.257403][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.257403][ T10] netlink_unicast+0x449/0x710 [ 1670.257403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.257403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.257403][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.257403][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.257403][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.257403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.257403][ T10] [ 1670.259370][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1670.259632][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1670.259632][ T10] netdev_get_by_index+0x5e/0x80 [ 1670.259632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1670.259632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1670.259632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1670.259632][ T10] ipv6_add_addr+0x411/0x2000 [ 1670.259632][ T10] inet6_addr_add+0x30e/0xa40 [ 1670.259632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1670.259632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.259632][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.259632][ T10] netlink_unicast+0x449/0x710 [ 1670.259632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.259632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.259632][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.259632][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.259632][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.259632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.259632][ T10] [ 1670.261887][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1670.261887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1670.261887][ T10] ipv6_find_idev+0x102/0x170 [ 1670.261887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.261887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.261887][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.261887][ T10] netlink_unicast+0x449/0x710 [ 1670.261887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.261887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.261887][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.261887][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.261887][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.261887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.261887][ T10] [ 1670.263631][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1670.263631][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1670.263631][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1670.263631][ T10] ipv6_find_idev+0x102/0x170 [ 1670.263631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1670.263631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1670.263631][ T10] netlink_rcv_skb+0x130/0x360 [ 1670.263631][ T10] netlink_unicast+0x449/0x710 [ 1670.263631][ T10] netlink_sendmsg+0x723/0xbe0 [ 1670.263631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1670.263631][ T10] ___sys_sendmsg+0xee/0x170 [ 1670.263631][ T10] __sys_sendmsg+0xcd/0x170 [ 1670.263631][ T10] do_syscall_64+0xc6/0x1e0 [ 1670.263631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1670.263631][ T10] [ 1680.394987][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1680.395580][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1680.395580][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.395580][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.395580][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.395580][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.395580][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.395580][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.395580][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.395580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.395580][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.395580][ T10] netlink_unicast+0x449/0x710 [ 1680.395580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.395580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.395580][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.395580][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.395580][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.395580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.395580][ T10] [ 1680.398748][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1680.398748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.398748][ T10] ipv6_find_idev+0x102/0x170 [ 1680.398748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.398748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.398748][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.398748][ T10] netlink_unicast+0x449/0x710 [ 1680.398748][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.398748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.398748][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.398748][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.398748][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.398748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.398748][ T10] [ 1680.401202][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1680.401202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.401202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.401202][ T10] ipv6_find_idev+0x102/0x170 [ 1680.401202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.401202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.401202][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.401202][ T10] netlink_unicast+0x449/0x710 [ 1680.401202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.401202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.401202][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.401202][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.401202][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.401202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.401202][ T10] [ 1680.403919][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1680.404356][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1680.404356][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.404356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.404356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.404356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.404356][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.404356][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.404356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.404356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.404356][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.404356][ T10] netlink_unicast+0x449/0x710 [ 1680.404356][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.404356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.404356][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.404356][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.404356][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.404356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.404356][ T10] [ 1680.407506][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1680.407506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.407506][ T10] ipv6_find_idev+0x102/0x170 [ 1680.407506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.407506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.407506][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.407506][ T10] netlink_unicast+0x449/0x710 [ 1680.407506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.407506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.407506][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.407506][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.407506][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.407506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.407506][ T10] [ 1680.409953][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1680.409953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.409953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.409953][ T10] ipv6_find_idev+0x102/0x170 [ 1680.409953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.409953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.409953][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.409953][ T10] netlink_unicast+0x449/0x710 [ 1680.409953][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.409953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.409953][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.409953][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.409953][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.409953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.409953][ T10] [ 1680.412512][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1680.412946][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1680.412946][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.412946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.412946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.412946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.412946][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.412946][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.412946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.412946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.412946][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.412946][ T10] netlink_unicast+0x449/0x710 [ 1680.412946][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.412946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.412946][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.412946][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.412946][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.412946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.412946][ T10] [ 1680.415965][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1680.415965][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.415965][ T10] ipv6_find_idev+0x102/0x170 [ 1680.415965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.415965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.415965][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.415965][ T10] netlink_unicast+0x449/0x710 [ 1680.415965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.415965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.415965][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.415965][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.415965][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.415965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.415965][ T10] [ 1680.418389][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1680.418389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.418389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.418389][ T10] ipv6_find_idev+0x102/0x170 [ 1680.418389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.418389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.418389][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.418389][ T10] netlink_unicast+0x449/0x710 [ 1680.418389][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.418389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.418389][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.418389][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.418389][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.418389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.418389][ T10] [ 1680.420282][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1680.420557][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1680.420557][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.420557][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.420557][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.420557][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.420557][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.420557][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.420557][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.420557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.420557][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.420557][ T10] netlink_unicast+0x449/0x710 [ 1680.420557][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.420557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.420557][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.420557][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.420557][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.420557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.420557][ T10] [ 1680.422608][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1680.422608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.422608][ T10] ipv6_find_idev+0x102/0x170 [ 1680.422608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.422608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.422608][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.422608][ T10] netlink_unicast+0x449/0x710 [ 1680.422608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.422608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.422608][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.422608][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.422608][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.422608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.422608][ T10] [ 1680.424179][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1680.424179][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.424179][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.424179][ T10] ipv6_find_idev+0x102/0x170 [ 1680.424179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.424179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.424179][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.424179][ T10] netlink_unicast+0x449/0x710 [ 1680.424179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.424179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.424179][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.424179][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.424179][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.424179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.424179][ T10] [ 1680.426336][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1680.426614][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1680.426614][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.426614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.426614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.426614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.426614][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.426614][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.426614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.426614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.426614][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.426614][ T10] netlink_unicast+0x449/0x710 [ 1680.426614][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.426614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.426614][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.426614][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.426614][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.426614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.426614][ T10] [ 1680.428687][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1680.428687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.428687][ T10] ipv6_find_idev+0x102/0x170 [ 1680.428687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.428687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.428687][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.428687][ T10] netlink_unicast+0x449/0x710 [ 1680.428687][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.428687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.428687][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.428687][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.428687][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.428687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.428687][ T10] [ 1680.430269][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1680.430269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.430269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.430269][ T10] ipv6_find_idev+0x102/0x170 [ 1680.430269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.430269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.430269][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.430269][ T10] netlink_unicast+0x449/0x710 [ 1680.430269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.430269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.430269][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.430269][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.430269][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.430269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.430269][ T10] [ 1680.432040][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1680.432318][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1680.432318][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.432318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.432318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.432318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.432318][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.432318][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.432318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.432318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.432318][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.432318][ T10] netlink_unicast+0x449/0x710 [ 1680.432318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.432318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.432318][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.432318][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.432318][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.432318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.432318][ T10] [ 1680.434425][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1680.434425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.434425][ T10] ipv6_find_idev+0x102/0x170 [ 1680.434425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.434425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.434425][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.434425][ T10] netlink_unicast+0x449/0x710 [ 1680.434425][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.434425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.434425][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.434425][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.434425][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.434425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.434425][ T10] [ 1680.436671][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1680.436671][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.436671][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.436671][ T10] ipv6_find_idev+0x102/0x170 [ 1680.436671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.436671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.436671][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.436671][ T10] netlink_unicast+0x449/0x710 [ 1680.436671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.436671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.436671][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.436671][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.436671][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.436671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.436671][ T10] [ 1680.438774][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1680.439090][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1680.439090][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.439090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.439090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.439090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.439090][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.439090][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.439090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.439090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.439090][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.439090][ T10] netlink_unicast+0x449/0x710 [ 1680.439090][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.439090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.439090][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.439090][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.439090][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.439090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.439090][ T10] [ 1680.441602][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1680.441602][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.441602][ T10] ipv6_find_idev+0x102/0x170 [ 1680.441602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.441602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.441602][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.441602][ T10] netlink_unicast+0x449/0x710 [ 1680.441602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.441602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.441602][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.441602][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.441602][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.441602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.441602][ T10] [ 1680.443289][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1680.443289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.443289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.443289][ T10] ipv6_find_idev+0x102/0x170 [ 1680.443289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.443289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.443289][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.443289][ T10] netlink_unicast+0x449/0x710 [ 1680.443289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.443289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.443289][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.443289][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.443289][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.443289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.443289][ T10] [ 1680.445260][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1680.445897][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1680.445897][ T10] netdev_get_by_index+0x5e/0x80 [ 1680.445897][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1680.445897][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1680.445897][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1680.445897][ T10] ipv6_add_addr+0x411/0x2000 [ 1680.445897][ T10] inet6_addr_add+0x30e/0xa40 [ 1680.445897][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1680.445897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.445897][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.445897][ T10] netlink_unicast+0x449/0x710 [ 1680.445897][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.445897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.445897][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.445897][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.445897][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.445897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.445897][ T10] [ 1680.448027][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1680.448027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1680.448027][ T10] ipv6_find_idev+0x102/0x170 [ 1680.448027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.448027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.448027][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.448027][ T10] netlink_unicast+0x449/0x710 [ 1680.448027][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.448027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.448027][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.448027][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.448027][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.448027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.448027][ T10] [ 1680.449783][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1680.449783][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1680.449783][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1680.449783][ T10] ipv6_find_idev+0x102/0x170 [ 1680.449783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1680.449783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1680.449783][ T10] netlink_rcv_skb+0x130/0x360 [ 1680.449783][ T10] netlink_unicast+0x449/0x710 [ 1680.449783][ T10] netlink_sendmsg+0x723/0xbe0 [ 1680.449783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1680.449783][ T10] ___sys_sendmsg+0xee/0x170 [ 1680.449783][ T10] __sys_sendmsg+0xcd/0x170 [ 1680.449783][ T10] do_syscall_64+0xc6/0x1e0 [ 1680.449783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1680.449783][ T10] [ 1690.691033][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1690.691457][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1690.691457][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.691457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.691457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.691457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.691457][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.691457][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.691457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.691457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.691457][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.691457][ T10] netlink_unicast+0x449/0x710 [ 1690.691457][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.691457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.691457][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.691457][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.691457][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.691457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.691457][ T10] [ 1690.693959][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1690.693959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.693959][ T10] ipv6_find_idev+0x102/0x170 [ 1690.693959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.693959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.693959][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.693959][ T10] netlink_unicast+0x449/0x710 [ 1690.693959][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.693959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.693959][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.693959][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.693959][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.693959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.693959][ T10] [ 1690.695524][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1690.695524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.695524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.695524][ T10] ipv6_find_idev+0x102/0x170 [ 1690.695524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.695524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.695524][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.695524][ T10] netlink_unicast+0x449/0x710 [ 1690.695524][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.695524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.695524][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.695524][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.695524][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.695524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.695524][ T10] [ 1690.697230][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1690.697509][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1690.697509][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.697509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.697509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.697509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.697509][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.697509][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.697509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.697509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.697509][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.697509][ T10] netlink_unicast+0x449/0x710 [ 1690.697509][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.697509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.697509][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.697509][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.697509][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.697509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.697509][ T10] [ 1690.699537][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1690.699537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.699537][ T10] ipv6_find_idev+0x102/0x170 [ 1690.699537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.699537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.699537][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.699537][ T10] netlink_unicast+0x449/0x710 [ 1690.699537][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.699537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.699537][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.699537][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.699537][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.699537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.699537][ T10] [ 1690.701047][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1690.701047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.701047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.701047][ T10] ipv6_find_idev+0x102/0x170 [ 1690.701047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.701047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.701047][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.701047][ T10] netlink_unicast+0x449/0x710 [ 1690.701047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.701047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.701047][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.701047][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.701047][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.701047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.701047][ T10] [ 1690.702702][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1690.702976][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1690.702976][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.702976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.702976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.702976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.702976][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.702976][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.702976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.702976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.702976][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.702976][ T10] netlink_unicast+0x449/0x710 [ 1690.702976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.702976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.702976][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.702976][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.702976][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.702976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.702976][ T10] [ 1690.705364][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1690.705364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.705364][ T10] ipv6_find_idev+0x102/0x170 [ 1690.705364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.705364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.705364][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.705364][ T10] netlink_unicast+0x449/0x710 [ 1690.705364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.705364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.705364][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.705364][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.705364][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.705364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.705364][ T10] [ 1690.706913][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1690.706913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.706913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.706913][ T10] ipv6_find_idev+0x102/0x170 [ 1690.706913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.706913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.706913][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.706913][ T10] netlink_unicast+0x449/0x710 [ 1690.706913][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.706913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.706913][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.706913][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.706913][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.706913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.706913][ T10] [ 1690.708657][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1690.709360][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1690.709360][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.709360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.709360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.709360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.709360][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.709360][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.709360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.709360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.709360][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.709360][ T10] netlink_unicast+0x449/0x710 [ 1690.709360][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.709360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.709360][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.709360][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.709360][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.709360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.709360][ T10] [ 1690.711304][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1690.711304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.711304][ T10] ipv6_find_idev+0x102/0x170 [ 1690.711304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.711304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.711304][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.711304][ T10] netlink_unicast+0x449/0x710 [ 1690.711304][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.711304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.711304][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.711304][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.711304][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.711304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.711304][ T10] [ 1690.712852][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1690.712852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.712852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.712852][ T10] ipv6_find_idev+0x102/0x170 [ 1690.712852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.712852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.712852][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.712852][ T10] netlink_unicast+0x449/0x710 [ 1690.712852][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.712852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.712852][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.712852][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.712852][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.712852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.712852][ T10] [ 1690.714533][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1690.714793][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1690.714793][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.714793][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.714793][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.714793][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.714793][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.714793][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.714793][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.714793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.714793][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.714793][ T10] netlink_unicast+0x449/0x710 [ 1690.714793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.714793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.714793][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.714793][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.714793][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.714793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.714793][ T10] [ 1690.716749][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1690.716749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.716749][ T10] ipv6_find_idev+0x102/0x170 [ 1690.716749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.716749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.716749][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.716749][ T10] netlink_unicast+0x449/0x710 [ 1690.716749][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.716749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.716749][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.716749][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.716749][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.716749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.716749][ T10] [ 1690.718269][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1690.718269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.718269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.718269][ T10] ipv6_find_idev+0x102/0x170 [ 1690.718269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.718269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.718269][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.718269][ T10] netlink_unicast+0x449/0x710 [ 1690.718269][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.718269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.718269][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.718269][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.718269][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.718269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.718269][ T10] [ 1690.719952][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1690.720211][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1690.720211][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.720211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.720211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.720211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.720211][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.720211][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.720211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.720211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.720211][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.720211][ T10] netlink_unicast+0x449/0x710 [ 1690.720211][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.720211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.720211][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.720211][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.720211][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.720211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.720211][ T10] [ 1690.722227][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1690.722227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.722227][ T10] ipv6_find_idev+0x102/0x170 [ 1690.722227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.722227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.722227][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.722227][ T10] netlink_unicast+0x449/0x710 [ 1690.722227][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.722227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.722227][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.722227][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.722227][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.722227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.722227][ T10] [ 1690.723917][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1690.723917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.723917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.723917][ T10] ipv6_find_idev+0x102/0x170 [ 1690.723917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.723917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.723917][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.723917][ T10] netlink_unicast+0x449/0x710 [ 1690.723917][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.723917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.723917][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.723917][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.723917][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.723917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.723917][ T10] [ 1690.726045][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1690.726308][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1690.726308][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.726308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.726308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.726308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.726308][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.726308][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.726308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.726308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.726308][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.726308][ T10] netlink_unicast+0x449/0x710 [ 1690.726308][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.726308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.726308][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.726308][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.726308][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.726308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.726308][ T10] [ 1690.728491][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1690.728491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.728491][ T10] ipv6_find_idev+0x102/0x170 [ 1690.728491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.728491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.728491][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.728491][ T10] netlink_unicast+0x449/0x710 [ 1690.728491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.728491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.728491][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.728491][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.728491][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.728491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.728491][ T10] [ 1690.730223][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1690.730223][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.730223][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.730223][ T10] ipv6_find_idev+0x102/0x170 [ 1690.730223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.730223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.730223][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.730223][ T10] netlink_unicast+0x449/0x710 [ 1690.730223][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.730223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.730223][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.730223][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.730223][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.730223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.730223][ T10] [ 1690.732124][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1690.732386][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1690.732386][ T10] netdev_get_by_index+0x5e/0x80 [ 1690.732386][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1690.732386][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1690.732386][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1690.732386][ T10] ipv6_add_addr+0x411/0x2000 [ 1690.732386][ T10] inet6_addr_add+0x30e/0xa40 [ 1690.732386][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1690.732386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.732386][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.732386][ T10] netlink_unicast+0x449/0x710 [ 1690.732386][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.732386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.732386][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.732386][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.732386][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.732386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.732386][ T10] [ 1690.734584][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1690.734584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1690.734584][ T10] ipv6_find_idev+0x102/0x170 [ 1690.734584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.734584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.734584][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.734584][ T10] netlink_unicast+0x449/0x710 [ 1690.734584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.734584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.734584][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.734584][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.734584][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.734584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.734584][ T10] [ 1690.736380][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1690.736380][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1690.736380][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1690.736380][ T10] ipv6_find_idev+0x102/0x170 [ 1690.736380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1690.736380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1690.736380][ T10] netlink_rcv_skb+0x130/0x360 [ 1690.736380][ T10] netlink_unicast+0x449/0x710 [ 1690.736380][ T10] netlink_sendmsg+0x723/0xbe0 [ 1690.736380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1690.736380][ T10] ___sys_sendmsg+0xee/0x170 [ 1690.736380][ T10] __sys_sendmsg+0xcd/0x170 [ 1690.736380][ T10] do_syscall_64+0xc6/0x1e0 [ 1690.736380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1690.736380][ T10] [ 1700.755062][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1700.755487][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1700.755487][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.755487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.755487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.755487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.755487][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.755487][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.755487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.755487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.755487][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.755487][ T10] netlink_unicast+0x449/0x710 [ 1700.755487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.755487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.755487][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.755487][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.755487][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.755487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.755487][ T10] [ 1700.757516][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1700.757516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.757516][ T10] ipv6_find_idev+0x102/0x170 [ 1700.757516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.757516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.757516][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.757516][ T10] netlink_unicast+0x449/0x710 [ 1700.757516][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.757516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.757516][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.757516][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.757516][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.757516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.757516][ T10] [ 1700.759089][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1700.759089][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.759089][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.759089][ T10] ipv6_find_idev+0x102/0x170 [ 1700.759089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.759089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.759089][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.759089][ T10] netlink_unicast+0x449/0x710 [ 1700.759089][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.759089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.759089][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.759089][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.759089][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.759089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.759089][ T10] [ 1700.760814][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1700.761113][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1700.761113][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.761113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.761113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.761113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.761113][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.761113][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.761113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.761113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.761113][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.761113][ T10] netlink_unicast+0x449/0x710 [ 1700.761113][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.761113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.761113][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.761113][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.761113][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.761113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.761113][ T10] [ 1700.763125][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1700.763125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.763125][ T10] ipv6_find_idev+0x102/0x170 [ 1700.763125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.763125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.763125][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.763125][ T10] netlink_unicast+0x449/0x710 [ 1700.763125][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.763125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.763125][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.763125][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.763125][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.763125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.763125][ T10] [ 1700.764679][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1700.764679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.764679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.764679][ T10] ipv6_find_idev+0x102/0x170 [ 1700.764679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.764679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.764679][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.764679][ T10] netlink_unicast+0x449/0x710 [ 1700.764679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.764679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.764679][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.764679][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.764679][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.764679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.764679][ T10] [ 1700.766385][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1700.766657][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1700.766657][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.766657][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.766657][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.766657][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.766657][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.766657][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.766657][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.766657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.766657][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.766657][ T10] netlink_unicast+0x449/0x710 [ 1700.766657][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.766657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.766657][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.766657][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.766657][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.766657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.766657][ T10] [ 1700.768667][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1700.768667][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.768667][ T10] ipv6_find_idev+0x102/0x170 [ 1700.768667][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.768667][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.768667][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.768667][ T10] netlink_unicast+0x449/0x710 [ 1700.768667][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.768667][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.768667][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.768667][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.768667][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.768667][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.768667][ T10] [ 1700.770218][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1700.770218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.770218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.770218][ T10] ipv6_find_idev+0x102/0x170 [ 1700.770218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.770218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.770218][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.770218][ T10] netlink_unicast+0x449/0x710 [ 1700.770218][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.770218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.770218][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.770218][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.770218][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.770218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.770218][ T10] [ 1700.771911][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1700.772183][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1700.772183][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.772183][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.772183][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.772183][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.772183][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.772183][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.772183][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.772183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.772183][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.772183][ T10] netlink_unicast+0x449/0x710 [ 1700.772183][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.772183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.772183][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.772183][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.772183][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.772183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.772183][ T10] [ 1700.774193][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1700.774193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.774193][ T10] ipv6_find_idev+0x102/0x170 [ 1700.774193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.774193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.774193][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.774193][ T10] netlink_unicast+0x449/0x710 [ 1700.774193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.774193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.774193][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.774193][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.774193][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.774193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.774193][ T10] [ 1700.775755][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1700.775755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.775755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.775755][ T10] ipv6_find_idev+0x102/0x170 [ 1700.775755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.775755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.775755][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.775755][ T10] netlink_unicast+0x449/0x710 [ 1700.775755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.775755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.775755][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.775755][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.775755][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.775755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.775755][ T10] [ 1700.777516][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1700.777778][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1700.777778][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.777778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.777778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.777778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.777778][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.777778][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.777778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.777778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.777778][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.777778][ T10] netlink_unicast+0x449/0x710 [ 1700.777778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.777778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.777778][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.777778][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.777778][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.777778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.777778][ T10] [ 1700.779793][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1700.779793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.779793][ T10] ipv6_find_idev+0x102/0x170 [ 1700.779793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.779793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.779793][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.779793][ T10] netlink_unicast+0x449/0x710 [ 1700.779793][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.779793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.779793][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.779793][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.779793][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.779793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.779793][ T10] [ 1700.781352][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1700.781352][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.781352][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.781352][ T10] ipv6_find_idev+0x102/0x170 [ 1700.781352][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.781352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.781352][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.781352][ T10] netlink_unicast+0x449/0x710 [ 1700.781352][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.781352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.781352][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.781352][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.781352][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.781352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.781352][ T10] [ 1700.783333][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1700.783596][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1700.783596][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.783596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.783596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.783596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.783596][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.783596][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.783596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.783596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.783596][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.783596][ T10] netlink_unicast+0x449/0x710 [ 1700.783596][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.783596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.783596][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.783596][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.783596][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.783596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.783596][ T10] [ 1700.785927][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1700.785927][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.785927][ T10] ipv6_find_idev+0x102/0x170 [ 1700.785927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.785927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.785927][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.785927][ T10] netlink_unicast+0x449/0x710 [ 1700.785927][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.785927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.785927][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.785927][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.785927][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.785927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.785927][ T10] [ 1700.787712][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1700.787712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.787712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.787712][ T10] ipv6_find_idev+0x102/0x170 [ 1700.787712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.787712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.787712][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.787712][ T10] netlink_unicast+0x449/0x710 [ 1700.787712][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.787712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.787712][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.787712][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.787712][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.787712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.787712][ T10] [ 1700.789681][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1700.790005][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1700.790005][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.790005][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.790005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.790005][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.790005][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.790005][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.790005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.790005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.790005][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.790005][ T10] netlink_unicast+0x449/0x710 [ 1700.790005][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.790005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.790005][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.790005][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.790005][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.790005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.790005][ T10] [ 1700.792191][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1700.792191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.792191][ T10] ipv6_find_idev+0x102/0x170 [ 1700.792191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.792191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.792191][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.792191][ T10] netlink_unicast+0x449/0x710 [ 1700.792191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.792191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.792191][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.792191][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.792191][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.792191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.792191][ T10] [ 1700.793923][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1700.793923][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.793923][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.793923][ T10] ipv6_find_idev+0x102/0x170 [ 1700.793923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.793923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.793923][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.793923][ T10] netlink_unicast+0x449/0x710 [ 1700.793923][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.793923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.793923][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.793923][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.793923][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.793923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.793923][ T10] [ 1700.795859][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1700.796121][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1700.796121][ T10] netdev_get_by_index+0x5e/0x80 [ 1700.796121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1700.796121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1700.796121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1700.796121][ T10] ipv6_add_addr+0x411/0x2000 [ 1700.796121][ T10] inet6_addr_add+0x30e/0xa40 [ 1700.796121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1700.796121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.796121][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.796121][ T10] netlink_unicast+0x449/0x710 [ 1700.796121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.796121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.796121][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.796121][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.796121][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.796121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.796121][ T10] [ 1700.798426][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1700.798426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1700.798426][ T10] ipv6_find_idev+0x102/0x170 [ 1700.798426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.798426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.798426][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.798426][ T10] netlink_unicast+0x449/0x710 [ 1700.798426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.798426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.798426][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.798426][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.798426][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.798426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.798426][ T10] [ 1700.800151][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1700.800151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1700.800151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1700.800151][ T10] ipv6_find_idev+0x102/0x170 [ 1700.800151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1700.800151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1700.800151][ T10] netlink_rcv_skb+0x130/0x360 [ 1700.800151][ T10] netlink_unicast+0x449/0x710 [ 1700.800151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1700.800151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1700.800151][ T10] ___sys_sendmsg+0xee/0x170 [ 1700.800151][ T10] __sys_sendmsg+0xcd/0x170 [ 1700.800151][ T10] do_syscall_64+0xc6/0x1e0 [ 1700.800151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1700.800151][ T10] [ 1710.866969][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1710.867381][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1710.867381][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.867381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.867381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.867381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.867381][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.867381][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.867381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.867381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.867381][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.867381][ T10] netlink_unicast+0x449/0x710 [ 1710.867381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.867381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.867381][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.867381][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.867381][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.867381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.867381][ T10] [ 1710.869431][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1710.869431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.869431][ T10] ipv6_find_idev+0x102/0x170 [ 1710.869431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.869431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.869431][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.869431][ T10] netlink_unicast+0x449/0x710 [ 1710.869431][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.869431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.869431][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.869431][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.869431][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.869431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.869431][ T10] [ 1710.870996][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1710.870996][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.870996][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.870996][ T10] ipv6_find_idev+0x102/0x170 [ 1710.870996][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.870996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.870996][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.870996][ T10] netlink_unicast+0x449/0x710 [ 1710.870996][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.870996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.870996][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.870996][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.870996][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.870996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.870996][ T10] [ 1710.872738][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1710.873036][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1710.873036][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.873036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.873036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.873036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.873036][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.873036][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.873036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.873036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.873036][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.873036][ T10] netlink_unicast+0x449/0x710 [ 1710.873036][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.873036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.873036][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.873036][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.873036][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.873036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.873036][ T10] [ 1710.875075][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1710.875075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.875075][ T10] ipv6_find_idev+0x102/0x170 [ 1710.875075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.875075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.875075][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.875075][ T10] netlink_unicast+0x449/0x710 [ 1710.875075][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.875075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.875075][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.875075][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.875075][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.875075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.875075][ T10] [ 1710.876649][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1710.876649][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.876649][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.876649][ T10] ipv6_find_idev+0x102/0x170 [ 1710.876649][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.876649][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.876649][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.876649][ T10] netlink_unicast+0x449/0x710 [ 1710.876649][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.876649][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.876649][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.876649][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.876649][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.876649][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.876649][ T10] [ 1710.878368][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1710.878637][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1710.878637][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.878637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.878637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.878637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.878637][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.878637][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.878637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.878637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.878637][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.878637][ T10] netlink_unicast+0x449/0x710 [ 1710.878637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.878637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.878637][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.878637][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.878637][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.878637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.878637][ T10] [ 1710.880661][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1710.880661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.880661][ T10] ipv6_find_idev+0x102/0x170 [ 1710.880661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.880661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.880661][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.880661][ T10] netlink_unicast+0x449/0x710 [ 1710.880661][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.880661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.880661][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.880661][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.880661][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.880661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.880661][ T10] [ 1710.882230][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1710.882230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.882230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.882230][ T10] ipv6_find_idev+0x102/0x170 [ 1710.882230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.882230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.882230][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.882230][ T10] netlink_unicast+0x449/0x710 [ 1710.882230][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.882230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.882230][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.882230][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.882230][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.882230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.882230][ T10] [ 1710.883946][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1710.884226][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1710.884226][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.884226][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.884226][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.884226][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.884226][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.884226][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.884226][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.884226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.884226][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.884226][ T10] netlink_unicast+0x449/0x710 [ 1710.884226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.884226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.884226][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.884226][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.884226][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.884226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.884226][ T10] [ 1710.886279][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1710.886279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.886279][ T10] ipv6_find_idev+0x102/0x170 [ 1710.886279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.886279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.886279][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.886279][ T10] netlink_unicast+0x449/0x710 [ 1710.886279][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.886279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.886279][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.886279][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.886279][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.886279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.886279][ T10] [ 1710.887842][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1710.887842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.887842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.887842][ T10] ipv6_find_idev+0x102/0x170 [ 1710.887842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.887842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.887842][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.887842][ T10] netlink_unicast+0x449/0x710 [ 1710.887842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.887842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.887842][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.887842][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.887842][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.887842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.887842][ T10] [ 1710.889965][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1710.890235][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1710.890235][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.890235][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.890235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.890235][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.890235][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.890235][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.890235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.890235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.890235][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.890235][ T10] netlink_unicast+0x449/0x710 [ 1710.890235][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.890235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.890235][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.890235][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.890235][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.890235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.890235][ T10] [ 1710.892266][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1710.892266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.892266][ T10] ipv6_find_idev+0x102/0x170 [ 1710.892266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.892266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.892266][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.892266][ T10] netlink_unicast+0x449/0x710 [ 1710.892266][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.892266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.892266][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.892266][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.892266][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.892266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.892266][ T10] [ 1710.893826][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1710.893826][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.893826][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.893826][ T10] ipv6_find_idev+0x102/0x170 [ 1710.893826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.893826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.893826][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.893826][ T10] netlink_unicast+0x449/0x710 [ 1710.893826][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.893826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.893826][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.893826][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.893826][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.893826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.893826][ T10] [ 1710.895595][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1710.895866][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1710.895866][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.895866][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.895866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.895866][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.895866][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.895866][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.895866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.895866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.895866][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.895866][ T10] netlink_unicast+0x449/0x710 [ 1710.895866][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.895866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.895866][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.895866][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.895866][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.895866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.895866][ T10] [ 1710.898024][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1710.898024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.898024][ T10] ipv6_find_idev+0x102/0x170 [ 1710.898024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.898024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.898024][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.898024][ T10] netlink_unicast+0x449/0x710 [ 1710.898024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.898024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.898024][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.898024][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.898024][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.898024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.898024][ T10] [ 1710.899752][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1710.899752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.899752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.899752][ T10] ipv6_find_idev+0x102/0x170 [ 1710.899752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.899752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.899752][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.899752][ T10] netlink_unicast+0x449/0x710 [ 1710.899752][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.899752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.899752][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.899752][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.899752][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.899752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.899752][ T10] [ 1710.901673][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1710.902022][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1710.902022][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.902022][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.902022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.902022][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.902022][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.902022][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.902022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.902022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.902022][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.902022][ T10] netlink_unicast+0x449/0x710 [ 1710.902022][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.902022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.902022][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.902022][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.902022][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.902022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.902022][ T10] [ 1710.904299][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1710.904299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.904299][ T10] ipv6_find_idev+0x102/0x170 [ 1710.904299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.904299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.904299][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.904299][ T10] netlink_unicast+0x449/0x710 [ 1710.904299][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.904299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.904299][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.904299][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.904299][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.904299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.904299][ T10] [ 1710.906062][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1710.906062][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.906062][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.906062][ T10] ipv6_find_idev+0x102/0x170 [ 1710.906062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.906062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.906062][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.906062][ T10] netlink_unicast+0x449/0x710 [ 1710.906062][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.906062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.906062][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.906062][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.906062][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.906062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.906062][ T10] [ 1710.908030][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1710.908297][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1710.908297][ T10] netdev_get_by_index+0x5e/0x80 [ 1710.908297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1710.908297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1710.908297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1710.908297][ T10] ipv6_add_addr+0x411/0x2000 [ 1710.908297][ T10] inet6_addr_add+0x30e/0xa40 [ 1710.908297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1710.908297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.908297][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.908297][ T10] netlink_unicast+0x449/0x710 [ 1710.908297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.908297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.908297][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.908297][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.908297][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.908297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.908297][ T10] [ 1710.910491][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1710.910491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1710.910491][ T10] ipv6_find_idev+0x102/0x170 [ 1710.910491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.910491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.910491][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.910491][ T10] netlink_unicast+0x449/0x710 [ 1710.910491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.910491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.910491][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.910491][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.910491][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.910491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.910491][ T10] [ 1710.912224][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1710.912224][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1710.912224][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1710.912224][ T10] ipv6_find_idev+0x102/0x170 [ 1710.912224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1710.912224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1710.912224][ T10] netlink_rcv_skb+0x130/0x360 [ 1710.912224][ T10] netlink_unicast+0x449/0x710 [ 1710.912224][ T10] netlink_sendmsg+0x723/0xbe0 [ 1710.912224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1710.912224][ T10] ___sys_sendmsg+0xee/0x170 [ 1710.912224][ T10] __sys_sendmsg+0xcd/0x170 [ 1710.912224][ T10] do_syscall_64+0xc6/0x1e0 [ 1710.912224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1710.912224][ T10] [ 1721.138898][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1721.139367][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1721.139367][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.139367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.139367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.139367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.139367][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.139367][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.139367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.139367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.139367][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.139367][ T10] netlink_unicast+0x449/0x710 [ 1721.139367][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.139367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.139367][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.139367][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.139367][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.139367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.139367][ T10] [ 1721.141412][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1721.141412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.141412][ T10] ipv6_find_idev+0x102/0x170 [ 1721.141412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.141412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.141412][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.141412][ T10] netlink_unicast+0x449/0x710 [ 1721.141412][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.141412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.141412][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.141412][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.141412][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.141412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.141412][ T10] [ 1721.142978][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1721.142978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.142978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.142978][ T10] ipv6_find_idev+0x102/0x170 [ 1721.142978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.142978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.142978][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.142978][ T10] netlink_unicast+0x449/0x710 [ 1721.142978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.142978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.142978][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.142978][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.142978][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.142978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.142978][ T10] [ 1721.144686][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1721.145003][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1721.145003][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.145003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.145003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.145003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.145003][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.145003][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.145003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.145003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.145003][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.145003][ T10] netlink_unicast+0x449/0x710 [ 1721.145003][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.145003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.145003][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.145003][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.145003][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.145003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.145003][ T10] [ 1721.147023][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1721.147023][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.147023][ T10] ipv6_find_idev+0x102/0x170 [ 1721.147023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.147023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.147023][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.147023][ T10] netlink_unicast+0x449/0x710 [ 1721.147023][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.147023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.147023][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.147023][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.147023][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.147023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.147023][ T10] [ 1721.148591][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1721.148591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.148591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.148591][ T10] ipv6_find_idev+0x102/0x170 [ 1721.148591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.148591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.148591][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.148591][ T10] netlink_unicast+0x449/0x710 [ 1721.148591][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.148591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.148591][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.148591][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.148591][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.148591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.148591][ T10] [ 1721.150294][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1721.150560][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1721.150560][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.150560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.150560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.150560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.150560][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.150560][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.150560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.150560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.150560][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.150560][ T10] netlink_unicast+0x449/0x710 [ 1721.150560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.150560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.150560][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.150560][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.150560][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.150560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.150560][ T10] [ 1721.152576][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1721.152576][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.152576][ T10] ipv6_find_idev+0x102/0x170 [ 1721.152576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.152576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.152576][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.152576][ T10] netlink_unicast+0x449/0x710 [ 1721.152576][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.152576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.152576][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.152576][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.152576][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.152576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.152576][ T10] [ 1721.154120][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1721.154120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.154120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.154120][ T10] ipv6_find_idev+0x102/0x170 [ 1721.154120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.154120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.154120][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.154120][ T10] netlink_unicast+0x449/0x710 [ 1721.154120][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.154120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.154120][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.154120][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.154120][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.154120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.154120][ T10] [ 1721.155818][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1721.156530][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1721.156530][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.156530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.156530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.156530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.156530][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.156530][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.156530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.156530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.156530][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.156530][ T10] netlink_unicast+0x449/0x710 [ 1721.156530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.156530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.156530][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.156530][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.156530][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.156530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.156530][ T10] [ 1721.158538][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1721.158538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.158538][ T10] ipv6_find_idev+0x102/0x170 [ 1721.158538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.158538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.158538][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.158538][ T10] netlink_unicast+0x449/0x710 [ 1721.158538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.158538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.158538][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.158538][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.158538][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.158538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.158538][ T10] [ 1721.160083][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1721.160083][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.160083][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.160083][ T10] ipv6_find_idev+0x102/0x170 [ 1721.160083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.160083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.160083][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.160083][ T10] netlink_unicast+0x449/0x710 [ 1721.160083][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.160083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.160083][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.160083][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.160083][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.160083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.160083][ T10] [ 1721.161818][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1721.162139][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1721.162139][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.162139][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.162139][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.162139][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.162139][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.162139][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.162139][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.162139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.162139][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.162139][ T10] netlink_unicast+0x449/0x710 [ 1721.162139][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.162139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.162139][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.162139][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.162139][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.162139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.162139][ T10] [ 1721.164146][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1721.164146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.164146][ T10] ipv6_find_idev+0x102/0x170 [ 1721.164146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.164146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.164146][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.164146][ T10] netlink_unicast+0x449/0x710 [ 1721.164146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.164146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.164146][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.164146][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.164146][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.164146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.164146][ T10] [ 1721.165714][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1721.165714][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.165714][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.165714][ T10] ipv6_find_idev+0x102/0x170 [ 1721.165714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.165714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.165714][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.165714][ T10] netlink_unicast+0x449/0x710 [ 1721.165714][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.165714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.165714][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.165714][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.165714][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.165714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.165714][ T10] [ 1721.167460][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1721.167733][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1721.167733][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.167733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.167733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.167733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.167733][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.167733][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.167733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.167733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.167733][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.167733][ T10] netlink_unicast+0x449/0x710 [ 1721.167733][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.167733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.167733][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.167733][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.167733][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.167733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.167733][ T10] [ 1721.169814][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1721.169814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.169814][ T10] ipv6_find_idev+0x102/0x170 [ 1721.169814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.169814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.169814][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.169814][ T10] netlink_unicast+0x449/0x710 [ 1721.169814][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.169814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.169814][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.169814][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.169814][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.169814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.169814][ T10] [ 1721.171541][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1721.171541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.171541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.171541][ T10] ipv6_find_idev+0x102/0x170 [ 1721.171541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.171541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.171541][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.171541][ T10] netlink_unicast+0x449/0x710 [ 1721.171541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.171541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.171541][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.171541][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.171541][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.171541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.171541][ T10] [ 1721.173461][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1721.173723][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1721.173723][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.173723][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.173723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.173723][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.173723][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.173723][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.173723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.173723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.173723][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.173723][ T10] netlink_unicast+0x449/0x710 [ 1721.173723][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.173723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.173723][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.173723][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.173723][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.173723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.173723][ T10] [ 1721.176087][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1721.176087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.176087][ T10] ipv6_find_idev+0x102/0x170 [ 1721.176087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.176087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.176087][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.176087][ T10] netlink_unicast+0x449/0x710 [ 1721.176087][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.176087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.176087][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.176087][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.176087][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.176087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.176087][ T10] [ 1721.177815][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1721.177815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.177815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.177815][ T10] ipv6_find_idev+0x102/0x170 [ 1721.177815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.177815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.177815][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.177815][ T10] netlink_unicast+0x449/0x710 [ 1721.177815][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.177815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.177815][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.177815][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.177815][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.177815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.177815][ T10] [ 1721.179730][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1721.180051][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1721.180051][ T10] netdev_get_by_index+0x5e/0x80 [ 1721.180051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1721.180051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1721.180051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1721.180051][ T10] ipv6_add_addr+0x411/0x2000 [ 1721.180051][ T10] inet6_addr_add+0x30e/0xa40 [ 1721.180051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1721.180051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.180051][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.180051][ T10] netlink_unicast+0x449/0x710 [ 1721.180051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.180051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.180051][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.180051][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.180051][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.180051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.180051][ T10] [ 1721.182236][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1721.182236][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1721.182236][ T10] ipv6_find_idev+0x102/0x170 [ 1721.182236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.182236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.182236][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.182236][ T10] netlink_unicast+0x449/0x710 [ 1721.182236][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.182236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.182236][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.182236][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.182236][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.182236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.182236][ T10] [ 1721.183964][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1721.183964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1721.183964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1721.183964][ T10] ipv6_find_idev+0x102/0x170 [ 1721.183964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1721.183964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1721.183964][ T10] netlink_rcv_skb+0x130/0x360 [ 1721.183964][ T10] netlink_unicast+0x449/0x710 [ 1721.183964][ T10] netlink_sendmsg+0x723/0xbe0 [ 1721.183964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1721.183964][ T10] ___sys_sendmsg+0xee/0x170 [ 1721.183964][ T10] __sys_sendmsg+0xcd/0x170 [ 1721.183964][ T10] do_syscall_64+0xc6/0x1e0 [ 1721.183964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1721.183964][ T10] [ 1731.218916][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1731.219464][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1731.219464][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.219464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.219464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.219464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.219464][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.219464][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.219464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.219464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.219464][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.219464][ T10] netlink_unicast+0x449/0x710 [ 1731.219464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.219464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.219464][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.219464][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.219464][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.219464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.219464][ T10] [ 1731.222582][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1731.222582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.222582][ T10] ipv6_find_idev+0x102/0x170 [ 1731.222582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.222582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.222582][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.222582][ T10] netlink_unicast+0x449/0x710 [ 1731.222582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.222582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.222582][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.222582][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.222582][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.222582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.222582][ T10] [ 1731.224967][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1731.224967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.224967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.224967][ T10] ipv6_find_idev+0x102/0x170 [ 1731.224967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.224967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.224967][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.224967][ T10] netlink_unicast+0x449/0x710 [ 1731.224967][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.224967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.224967][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.224967][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.224967][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.224967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.224967][ T10] [ 1731.227670][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1731.228121][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1731.228121][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.228121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.228121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.228121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.228121][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.228121][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.228121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.228121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.228121][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.228121][ T10] netlink_unicast+0x449/0x710 [ 1731.228121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.228121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.228121][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.228121][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.228121][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.228121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.228121][ T10] [ 1731.231261][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1731.231261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.231261][ T10] ipv6_find_idev+0x102/0x170 [ 1731.231261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.231261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.231261][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.231261][ T10] netlink_unicast+0x449/0x710 [ 1731.231261][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.231261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.231261][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.231261][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.231261][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.231261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.231261][ T10] [ 1731.233732][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1731.233732][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.233732][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.233732][ T10] ipv6_find_idev+0x102/0x170 [ 1731.233732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.233732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.233732][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.233732][ T10] netlink_unicast+0x449/0x710 [ 1731.233732][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.233732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.233732][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.233732][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.233732][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.233732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.233732][ T10] [ 1731.236399][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1731.236820][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1731.236820][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.236820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.236820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.236820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.236820][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.236820][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.236820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.236820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.236820][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.236820][ T10] netlink_unicast+0x449/0x710 [ 1731.236820][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.236820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.236820][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.236820][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.236820][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.236820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.236820][ T10] [ 1731.239983][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1731.239983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.239983][ T10] ipv6_find_idev+0x102/0x170 [ 1731.239983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.239983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.239983][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.239983][ T10] netlink_unicast+0x449/0x710 [ 1731.239983][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.239983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.239983][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.239983][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.239983][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.239983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.239983][ T10] [ 1731.242394][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1731.242394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.242394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.242394][ T10] ipv6_find_idev+0x102/0x170 [ 1731.242394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.242394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.242394][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.242394][ T10] netlink_unicast+0x449/0x710 [ 1731.242394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.242394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.242394][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.242394][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.242394][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.242394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.242394][ T10] [ 1731.244878][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1731.245289][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1731.245289][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.245289][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.245289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.245289][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.245289][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.245289][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.245289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.245289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.245289][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.245289][ T10] netlink_unicast+0x449/0x710 [ 1731.245289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.245289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.245289][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.245289][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.245289][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.245289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.245289][ T10] [ 1731.248205][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1731.248205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.248205][ T10] ipv6_find_idev+0x102/0x170 [ 1731.248205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.248205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.248205][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.248205][ T10] netlink_unicast+0x449/0x710 [ 1731.248205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.248205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.248205][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.248205][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.248205][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.248205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.248205][ T10] [ 1731.250598][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1731.250598][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.250598][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.250598][ T10] ipv6_find_idev+0x102/0x170 [ 1731.250598][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.250598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.250598][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.250598][ T10] netlink_unicast+0x449/0x710 [ 1731.250598][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.250598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.250598][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.250598][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.250598][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.250598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.250598][ T10] [ 1731.253983][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1731.254401][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1731.254401][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.254401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.254401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.254401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.254401][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.254401][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.254401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.254401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.254401][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.254401][ T10] netlink_unicast+0x449/0x710 [ 1731.254401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.254401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.254401][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.254401][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.254401][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.254401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.254401][ T10] [ 1731.257563][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1731.257563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.257563][ T10] ipv6_find_idev+0x102/0x170 [ 1731.257563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.257563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.257563][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.257563][ T10] netlink_unicast+0x449/0x710 [ 1731.257563][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.257563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.257563][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.257563][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.257563][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.257563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.257563][ T10] [ 1731.259994][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1731.259994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.259994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.259994][ T10] ipv6_find_idev+0x102/0x170 [ 1731.259994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.259994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.259994][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.259994][ T10] netlink_unicast+0x449/0x710 [ 1731.259994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.259994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.259994][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.259994][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.259994][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.259994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.259994][ T10] [ 1731.262721][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1731.263234][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1731.263234][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.263234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.263234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.263234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.263234][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.263234][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.263234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.263234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.263234][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.263234][ T10] netlink_unicast+0x449/0x710 [ 1731.263234][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.263234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.263234][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.263234][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.263234][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.263234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.263234][ T10] [ 1731.266490][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1731.266490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.266490][ T10] ipv6_find_idev+0x102/0x170 [ 1731.266490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.266490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.266490][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.266490][ T10] netlink_unicast+0x449/0x710 [ 1731.266490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.266490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.266490][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.266490][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.266490][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.266490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.266490][ T10] [ 1731.268988][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1731.268988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.268988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.268988][ T10] ipv6_find_idev+0x102/0x170 [ 1731.268988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.268988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.268988][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.268988][ T10] netlink_unicast+0x449/0x710 [ 1731.268988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.268988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.268988][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.268988][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.268988][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.268988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.268988][ T10] [ 1731.271888][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1731.272286][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1731.272286][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.272286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.272286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.272286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.272286][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.272286][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.272286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.272286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.272286][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.272286][ T10] netlink_unicast+0x449/0x710 [ 1731.272286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.272286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.272286][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.272286][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.272286][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.272286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.272286][ T10] [ 1731.275580][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1731.275580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.275580][ T10] ipv6_find_idev+0x102/0x170 [ 1731.275580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.275580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.275580][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.275580][ T10] netlink_unicast+0x449/0x710 [ 1731.275580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.275580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.275580][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.275580][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.275580][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.275580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.275580][ T10] [ 1731.278091][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1731.278091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.278091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.278091][ T10] ipv6_find_idev+0x102/0x170 [ 1731.278091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.278091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.278091][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.278091][ T10] netlink_unicast+0x449/0x710 [ 1731.278091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.278091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.278091][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.278091][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.278091][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.278091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.278091][ T10] [ 1731.280827][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1731.281388][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1731.281388][ T10] netdev_get_by_index+0x5e/0x80 [ 1731.281388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1731.281388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1731.281388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1731.281388][ T10] ipv6_add_addr+0x411/0x2000 [ 1731.281388][ T10] inet6_addr_add+0x30e/0xa40 [ 1731.281388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1731.281388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.281388][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.281388][ T10] netlink_unicast+0x449/0x710 [ 1731.281388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.281388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.281388][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.281388][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.281388][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.281388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.281388][ T10] [ 1731.284363][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1731.284363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1731.284363][ T10] ipv6_find_idev+0x102/0x170 [ 1731.284363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.284363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.284363][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.284363][ T10] netlink_unicast+0x449/0x710 [ 1731.284363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.284363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.284363][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.284363][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.284363][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.284363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.284363][ T10] [ 1731.286999][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1731.286999][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1731.286999][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1731.286999][ T10] ipv6_find_idev+0x102/0x170 [ 1731.286999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1731.286999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1731.286999][ T10] netlink_rcv_skb+0x130/0x360 [ 1731.286999][ T10] netlink_unicast+0x449/0x710 [ 1731.286999][ T10] netlink_sendmsg+0x723/0xbe0 [ 1731.286999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1731.286999][ T10] ___sys_sendmsg+0xee/0x170 [ 1731.286999][ T10] __sys_sendmsg+0xcd/0x170 [ 1731.286999][ T10] do_syscall_64+0xc6/0x1e0 [ 1731.286999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1731.286999][ T10] [ 1741.530981][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1741.531454][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1741.531454][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.531454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.531454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.531454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.531454][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.531454][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.531454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.531454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.531454][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.531454][ T10] netlink_unicast+0x449/0x710 [ 1741.531454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.531454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.531454][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.531454][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.531454][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.531454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.531454][ T10] [ 1741.533500][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1741.533500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.533500][ T10] ipv6_find_idev+0x102/0x170 [ 1741.533500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.533500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.533500][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.533500][ T10] netlink_unicast+0x449/0x710 [ 1741.533500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.533500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.533500][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.533500][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.533500][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.533500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.533500][ T10] [ 1741.535068][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1741.535068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.535068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.535068][ T10] ipv6_find_idev+0x102/0x170 [ 1741.535068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.535068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.535068][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.535068][ T10] netlink_unicast+0x449/0x710 [ 1741.535068][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.535068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.535068][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.535068][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.535068][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.535068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.535068][ T10] [ 1741.536791][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1741.537085][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1741.537085][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.537085][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.537085][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.537085][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.537085][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.537085][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.537085][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.537085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.537085][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.537085][ T10] netlink_unicast+0x449/0x710 [ 1741.537085][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.537085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.537085][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.537085][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.537085][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.537085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.537085][ T10] [ 1741.539110][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1741.539110][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.539110][ T10] ipv6_find_idev+0x102/0x170 [ 1741.539110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.539110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.539110][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.539110][ T10] netlink_unicast+0x449/0x710 [ 1741.539110][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.539110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.539110][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.539110][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.539110][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.539110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.539110][ T10] [ 1741.540666][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1741.540666][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.540666][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.540666][ T10] ipv6_find_idev+0x102/0x170 [ 1741.540666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.540666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.540666][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.540666][ T10] netlink_unicast+0x449/0x710 [ 1741.540666][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.540666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.540666][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.540666][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.540666][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.540666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.540666][ T10] [ 1741.542363][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1741.542632][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1741.542632][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.542632][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.542632][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.542632][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.542632][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.542632][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.542632][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.542632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.542632][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.542632][ T10] netlink_unicast+0x449/0x710 [ 1741.542632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.542632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.542632][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.542632][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.542632][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.542632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.542632][ T10] [ 1741.544810][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1741.544810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.544810][ T10] ipv6_find_idev+0x102/0x170 [ 1741.544810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.544810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.544810][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.544810][ T10] netlink_unicast+0x449/0x710 [ 1741.544810][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.544810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.544810][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.544810][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.544810][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.544810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.544810][ T10] [ 1741.546409][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1741.546409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.546409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.546409][ T10] ipv6_find_idev+0x102/0x170 [ 1741.546409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.546409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.546409][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.546409][ T10] netlink_unicast+0x449/0x710 [ 1741.546409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.546409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.546409][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.546409][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.546409][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.546409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.546409][ T10] [ 1741.548140][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1741.548423][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1741.548423][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.548423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.548423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.548423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.548423][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.548423][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.548423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.548423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.548423][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.548423][ T10] netlink_unicast+0x449/0x710 [ 1741.548423][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.548423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.548423][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.548423][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.548423][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.548423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.548423][ T10] [ 1741.550502][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1741.550502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.550502][ T10] ipv6_find_idev+0x102/0x170 [ 1741.550502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.550502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.550502][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.550502][ T10] netlink_unicast+0x449/0x710 [ 1741.550502][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.550502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.550502][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.550502][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.550502][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.550502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.550502][ T10] [ 1741.552091][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1741.552091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.552091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.552091][ T10] ipv6_find_idev+0x102/0x170 [ 1741.552091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.552091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.552091][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.552091][ T10] netlink_unicast+0x449/0x710 [ 1741.552091][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.552091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.552091][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.552091][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.552091][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.552091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.552091][ T10] [ 1741.554266][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1741.554541][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1741.554541][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.554541][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.554541][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.554541][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.554541][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.554541][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.554541][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.554541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.554541][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.554541][ T10] netlink_unicast+0x449/0x710 [ 1741.554541][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.554541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.554541][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.554541][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.554541][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.554541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.554541][ T10] [ 1741.556632][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1741.556632][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.556632][ T10] ipv6_find_idev+0x102/0x170 [ 1741.556632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.556632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.556632][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.556632][ T10] netlink_unicast+0x449/0x710 [ 1741.556632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.556632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.556632][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.556632][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.556632][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.556632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.556632][ T10] [ 1741.558796][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1741.558796][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.558796][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.558796][ T10] ipv6_find_idev+0x102/0x170 [ 1741.558796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.558796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.558796][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.558796][ T10] netlink_unicast+0x449/0x710 [ 1741.558796][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.558796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.558796][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.558796][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.558796][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.558796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.558796][ T10] [ 1741.560585][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1741.560857][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1741.560857][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.560857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.560857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.560857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.560857][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.560857][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.560857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.560857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.560857][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.560857][ T10] netlink_unicast+0x449/0x710 [ 1741.560857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.560857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.560857][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.560857][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.560857][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.560857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.560857][ T10] [ 1741.563080][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1741.563080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.563080][ T10] ipv6_find_idev+0x102/0x170 [ 1741.563080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.563080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.563080][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.563080][ T10] netlink_unicast+0x449/0x710 [ 1741.563080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.563080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.563080][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.563080][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.563080][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.563080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.563080][ T10] [ 1741.564918][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1741.564918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.564918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.564918][ T10] ipv6_find_idev+0x102/0x170 [ 1741.564918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.564918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.564918][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.564918][ T10] netlink_unicast+0x449/0x710 [ 1741.564918][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.564918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.564918][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.564918][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.564918][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.564918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.564918][ T10] [ 1741.566913][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1741.567191][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1741.567191][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.567191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.567191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.567191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.567191][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.567191][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.567191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.567191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.567191][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.567191][ T10] netlink_unicast+0x449/0x710 [ 1741.567191][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.567191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.567191][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.567191][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.567191][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.567191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.567191][ T10] [ 1741.569518][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1741.569518][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.569518][ T10] ipv6_find_idev+0x102/0x170 [ 1741.569518][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.569518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.569518][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.569518][ T10] netlink_unicast+0x449/0x710 [ 1741.569518][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.569518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.569518][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.569518][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.569518][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.569518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.569518][ T10] [ 1741.571267][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1741.571267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.571267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.571267][ T10] ipv6_find_idev+0x102/0x170 [ 1741.571267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.571267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.571267][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.571267][ T10] netlink_unicast+0x449/0x710 [ 1741.571267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.571267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.571267][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.571267][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.571267][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.571267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.571267][ T10] [ 1741.573224][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1741.573492][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1741.573492][ T10] netdev_get_by_index+0x5e/0x80 [ 1741.573492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1741.573492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1741.573492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1741.573492][ T10] ipv6_add_addr+0x411/0x2000 [ 1741.573492][ T10] inet6_addr_add+0x30e/0xa40 [ 1741.573492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1741.573492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.573492][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.573492][ T10] netlink_unicast+0x449/0x710 [ 1741.573492][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.573492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.573492][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.573492][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.573492][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.573492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.573492][ T10] [ 1741.576282][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1741.576282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1741.576282][ T10] ipv6_find_idev+0x102/0x170 [ 1741.576282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.576282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.576282][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.576282][ T10] netlink_unicast+0x449/0x710 [ 1741.576282][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.576282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.576282][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.576282][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.576282][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.576282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.576282][ T10] [ 1741.578081][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1741.578081][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1741.578081][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1741.578081][ T10] ipv6_find_idev+0x102/0x170 [ 1741.578081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1741.578081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1741.578081][ T10] netlink_rcv_skb+0x130/0x360 [ 1741.578081][ T10] netlink_unicast+0x449/0x710 [ 1741.578081][ T10] netlink_sendmsg+0x723/0xbe0 [ 1741.578081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1741.578081][ T10] ___sys_sendmsg+0xee/0x170 [ 1741.578081][ T10] __sys_sendmsg+0xcd/0x170 [ 1741.578081][ T10] do_syscall_64+0xc6/0x1e0 [ 1741.578081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1741.578081][ T10] [ 1751.602965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1751.603393][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1751.603393][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.603393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.603393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.603393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.603393][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.603393][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.603393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.603393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.603393][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.603393][ T10] netlink_unicast+0x449/0x710 [ 1751.603393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.603393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.603393][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.603393][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.603393][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.603393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.603393][ T10] [ 1751.605485][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1751.605485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.605485][ T10] ipv6_find_idev+0x102/0x170 [ 1751.605485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.605485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.605485][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.605485][ T10] netlink_unicast+0x449/0x710 [ 1751.605485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.605485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.605485][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.605485][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.605485][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.605485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.605485][ T10] [ 1751.607070][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1751.607070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.607070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.607070][ T10] ipv6_find_idev+0x102/0x170 [ 1751.607070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.607070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.607070][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.607070][ T10] netlink_unicast+0x449/0x710 [ 1751.607070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.607070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.607070][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.607070][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.607070][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.607070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.607070][ T10] [ 1751.608830][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1751.609131][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1751.609131][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.609131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.609131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.609131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.609131][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.609131][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.609131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.609131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.609131][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.609131][ T10] netlink_unicast+0x449/0x710 [ 1751.609131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.609131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.609131][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.609131][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.609131][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.609131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.609131][ T10] [ 1751.611338][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1751.611338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.611338][ T10] ipv6_find_idev+0x102/0x170 [ 1751.611338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.611338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.611338][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.611338][ T10] netlink_unicast+0x449/0x710 [ 1751.611338][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.611338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.611338][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.611338][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.611338][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.611338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.611338][ T10] [ 1751.612931][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1751.612931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.612931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.612931][ T10] ipv6_find_idev+0x102/0x170 [ 1751.612931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.612931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.612931][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.612931][ T10] netlink_unicast+0x449/0x710 [ 1751.612931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.612931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.612931][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.612931][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.612931][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.612931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.612931][ T10] [ 1751.614699][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1751.614988][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1751.614988][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.614988][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.614988][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.614988][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.614988][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.614988][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.614988][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.614988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.614988][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.614988][ T10] netlink_unicast+0x449/0x710 [ 1751.614988][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.614988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.614988][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.614988][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.614988][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.614988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.614988][ T10] [ 1751.617080][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1751.617080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.617080][ T10] ipv6_find_idev+0x102/0x170 [ 1751.617080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.617080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.617080][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.617080][ T10] netlink_unicast+0x449/0x710 [ 1751.617080][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.617080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.617080][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.617080][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.617080][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.617080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.617080][ T10] [ 1751.618769][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1751.618769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.618769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.618769][ T10] ipv6_find_idev+0x102/0x170 [ 1751.618769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.618769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.618769][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.618769][ T10] netlink_unicast+0x449/0x710 [ 1751.618769][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.618769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.618769][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.618769][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.618769][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.618769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.618769][ T10] [ 1751.620461][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1751.620731][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1751.620731][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.620731][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.620731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.620731][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.620731][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.620731][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.620731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.620731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.620731][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.620731][ T10] netlink_unicast+0x449/0x710 [ 1751.620731][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.620731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.620731][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.620731][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.620731][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.620731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.620731][ T10] [ 1751.622739][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1751.622739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.622739][ T10] ipv6_find_idev+0x102/0x170 [ 1751.622739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.622739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.622739][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.622739][ T10] netlink_unicast+0x449/0x710 [ 1751.622739][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.622739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.622739][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.622739][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.622739][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.622739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.622739][ T10] [ 1751.624286][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1751.624286][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.624286][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.624286][ T10] ipv6_find_idev+0x102/0x170 [ 1751.624286][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.624286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.624286][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.624286][ T10] netlink_unicast+0x449/0x710 [ 1751.624286][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.624286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.624286][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.624286][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.624286][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.624286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.624286][ T10] [ 1751.626401][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1751.626670][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1751.626670][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.626670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.626670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.626670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.626670][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.626670][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.626670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.626670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.626670][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.626670][ T10] netlink_unicast+0x449/0x710 [ 1751.626670][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.626670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.626670][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.626670][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.626670][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.626670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.626670][ T10] [ 1751.628697][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1751.628697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.628697][ T10] ipv6_find_idev+0x102/0x170 [ 1751.628697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.628697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.628697][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.628697][ T10] netlink_unicast+0x449/0x710 [ 1751.628697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.628697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.628697][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.628697][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.628697][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.628697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.628697][ T10] [ 1751.630244][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1751.630244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.630244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.630244][ T10] ipv6_find_idev+0x102/0x170 [ 1751.630244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.630244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.630244][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.630244][ T10] netlink_unicast+0x449/0x710 [ 1751.630244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.630244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.630244][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.630244][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.630244][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.630244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.630244][ T10] [ 1751.631986][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1751.632249][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1751.632249][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.632249][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.632249][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.632249][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.632249][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.632249][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.632249][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.632249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.632249][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.632249][ T10] netlink_unicast+0x449/0x710 [ 1751.632249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.632249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.632249][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.632249][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.632249][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.632249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.632249][ T10] [ 1751.634395][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1751.634395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.634395][ T10] ipv6_find_idev+0x102/0x170 [ 1751.634395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.634395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.634395][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.634395][ T10] netlink_unicast+0x449/0x710 [ 1751.634395][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.634395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.634395][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.634395][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.634395][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.634395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.634395][ T10] [ 1751.636188][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1751.636188][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.636188][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.636188][ T10] ipv6_find_idev+0x102/0x170 [ 1751.636188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.636188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.636188][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.636188][ T10] netlink_unicast+0x449/0x710 [ 1751.636188][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.636188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.636188][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.636188][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.636188][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.636188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.636188][ T10] [ 1751.638105][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1751.638367][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1751.638367][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.638367][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.638367][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.638367][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.638367][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.638367][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.638367][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.638367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.638367][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.638367][ T10] netlink_unicast+0x449/0x710 [ 1751.638367][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.638367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.638367][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.638367][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.638367][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.638367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.638367][ T10] [ 1751.640734][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1751.640734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.640734][ T10] ipv6_find_idev+0x102/0x170 [ 1751.640734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.640734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.640734][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.640734][ T10] netlink_unicast+0x449/0x710 [ 1751.640734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.640734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.640734][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.640734][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.640734][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.640734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.640734][ T10] [ 1751.642445][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1751.642445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.642445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.642445][ T10] ipv6_find_idev+0x102/0x170 [ 1751.642445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.642445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.642445][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.642445][ T10] netlink_unicast+0x449/0x710 [ 1751.642445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.642445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.642445][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.642445][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.642445][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.642445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.642445][ T10] [ 1751.644912][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1751.645179][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1751.645179][ T10] netdev_get_by_index+0x5e/0x80 [ 1751.645179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1751.645179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1751.645179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1751.645179][ T10] ipv6_add_addr+0x411/0x2000 [ 1751.645179][ T10] inet6_addr_add+0x30e/0xa40 [ 1751.645179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1751.645179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.645179][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.645179][ T10] netlink_unicast+0x449/0x710 [ 1751.645179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.645179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.645179][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.645179][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.645179][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.645179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.645179][ T10] [ 1751.647497][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1751.647497][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1751.647497][ T10] ipv6_find_idev+0x102/0x170 [ 1751.647497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.647497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.647497][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.647497][ T10] netlink_unicast+0x449/0x710 [ 1751.647497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.647497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.647497][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.647497][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.647497][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.647497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.647497][ T10] [ 1751.649219][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1751.649219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1751.649219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1751.649219][ T10] ipv6_find_idev+0x102/0x170 [ 1751.649219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1751.649219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1751.649219][ T10] netlink_rcv_skb+0x130/0x360 [ 1751.649219][ T10] netlink_unicast+0x449/0x710 [ 1751.649219][ T10] netlink_sendmsg+0x723/0xbe0 [ 1751.649219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1751.649219][ T10] ___sys_sendmsg+0xee/0x170 [ 1751.649219][ T10] __sys_sendmsg+0xcd/0x170 [ 1751.649219][ T10] do_syscall_64+0xc6/0x1e0 [ 1751.649219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1751.649219][ T10] [ 1761.891017][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1761.891511][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1761.891511][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.891511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.891511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.891511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.891511][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.891511][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.891511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.891511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.891511][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.891511][ T10] netlink_unicast+0x449/0x710 [ 1761.891511][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.891511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.891511][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.891511][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.891511][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.891511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.891511][ T10] [ 1761.893560][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1761.893560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.893560][ T10] ipv6_find_idev+0x102/0x170 [ 1761.893560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.893560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.893560][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.893560][ T10] netlink_unicast+0x449/0x710 [ 1761.893560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.893560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.893560][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.893560][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.893560][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.893560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.893560][ T10] [ 1761.895137][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1761.895137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.895137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.895137][ T10] ipv6_find_idev+0x102/0x170 [ 1761.895137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.895137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.895137][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.895137][ T10] netlink_unicast+0x449/0x710 [ 1761.895137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.895137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.895137][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.895137][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.895137][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.895137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.895137][ T10] [ 1761.896856][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1761.897130][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1761.897130][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.897130][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.897130][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.897130][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.897130][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.897130][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.897130][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.897130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.897130][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.897130][ T10] netlink_unicast+0x449/0x710 [ 1761.897130][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.897130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.897130][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.897130][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.897130][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.897130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.897130][ T10] [ 1761.899140][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1761.899140][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.899140][ T10] ipv6_find_idev+0x102/0x170 [ 1761.899140][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.899140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.899140][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.899140][ T10] netlink_unicast+0x449/0x710 [ 1761.899140][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.899140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.899140][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.899140][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.899140][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.899140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.899140][ T10] [ 1761.900694][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1761.900694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.900694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.900694][ T10] ipv6_find_idev+0x102/0x170 [ 1761.900694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.900694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.900694][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.900694][ T10] netlink_unicast+0x449/0x710 [ 1761.900694][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.900694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.900694][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.900694][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.900694][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.900694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.900694][ T10] [ 1761.902350][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1761.902741][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1761.902741][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.902741][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.902741][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.902741][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.902741][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.902741][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.902741][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.902741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.902741][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.902741][ T10] netlink_unicast+0x449/0x710 [ 1761.902741][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.902741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.902741][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.902741][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.902741][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.902741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.902741][ T10] [ 1761.904701][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1761.904701][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.904701][ T10] ipv6_find_idev+0x102/0x170 [ 1761.904701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.904701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.904701][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.904701][ T10] netlink_unicast+0x449/0x710 [ 1761.904701][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.904701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.904701][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.904701][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.904701][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.904701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.904701][ T10] [ 1761.906213][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1761.906213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.906213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.906213][ T10] ipv6_find_idev+0x102/0x170 [ 1761.906213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.906213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.906213][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.906213][ T10] netlink_unicast+0x449/0x710 [ 1761.906213][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.906213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.906213][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.906213][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.906213][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.906213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.906213][ T10] [ 1761.907876][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1761.908147][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1761.908147][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.908147][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.908147][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.908147][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.908147][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.908147][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.908147][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.908147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.908147][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.908147][ T10] netlink_unicast+0x449/0x710 [ 1761.908147][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.908147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.908147][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.908147][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.908147][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.908147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.908147][ T10] [ 1761.910099][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1761.910099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.910099][ T10] ipv6_find_idev+0x102/0x170 [ 1761.910099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.910099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.910099][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.910099][ T10] netlink_unicast+0x449/0x710 [ 1761.910099][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.910099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.910099][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.910099][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.910099][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.910099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.910099][ T10] [ 1761.911600][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1761.911600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.911600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.911600][ T10] ipv6_find_idev+0x102/0x170 [ 1761.911600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.911600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.911600][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.911600][ T10] netlink_unicast+0x449/0x710 [ 1761.911600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.911600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.911600][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.911600][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.911600][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.911600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.911600][ T10] [ 1761.914072][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1761.914341][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1761.914341][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.914341][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.914341][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.914341][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.914341][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.914341][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.914341][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.914341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.914341][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.914341][ T10] netlink_unicast+0x449/0x710 [ 1761.914341][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.914341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.914341][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.914341][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.914341][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.914341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.914341][ T10] [ 1761.916297][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1761.916297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.916297][ T10] ipv6_find_idev+0x102/0x170 [ 1761.916297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.916297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.916297][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.916297][ T10] netlink_unicast+0x449/0x710 [ 1761.916297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.916297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.916297][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.916297][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.916297][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.916297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.916297][ T10] [ 1761.917801][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1761.917801][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.917801][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.917801][ T10] ipv6_find_idev+0x102/0x170 [ 1761.917801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.917801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.917801][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.917801][ T10] netlink_unicast+0x449/0x710 [ 1761.917801][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.917801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.917801][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.917801][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.917801][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.917801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.917801][ T10] [ 1761.919492][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1761.919747][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1761.919747][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.919747][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.919747][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.919747][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.919747][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.919747][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.919747][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.919747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.919747][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.919747][ T10] netlink_unicast+0x449/0x710 [ 1761.919747][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.919747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.919747][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.919747][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.919747][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.919747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.919747][ T10] [ 1761.921835][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1761.921835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.921835][ T10] ipv6_find_idev+0x102/0x170 [ 1761.921835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.921835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.921835][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.921835][ T10] netlink_unicast+0x449/0x710 [ 1761.921835][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.921835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.921835][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.921835][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.921835][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.921835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.921835][ T10] [ 1761.923615][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1761.923615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.923615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.923615][ T10] ipv6_find_idev+0x102/0x170 [ 1761.923615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.923615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.923615][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.923615][ T10] netlink_unicast+0x449/0x710 [ 1761.923615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.923615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.923615][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.923615][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.923615][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.923615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.923615][ T10] [ 1761.925494][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1761.925760][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1761.925760][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.925760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.925760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.925760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.925760][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.925760][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.925760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.925760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.925760][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.925760][ T10] netlink_unicast+0x449/0x710 [ 1761.925760][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.925760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.925760][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.925760][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.925760][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.925760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.925760][ T10] [ 1761.928134][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1761.928134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.928134][ T10] ipv6_find_idev+0x102/0x170 [ 1761.928134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.928134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.928134][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.928134][ T10] netlink_unicast+0x449/0x710 [ 1761.928134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.928134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.928134][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.928134][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.928134][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.928134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.928134][ T10] [ 1761.930707][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1761.930707][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.930707][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.930707][ T10] ipv6_find_idev+0x102/0x170 [ 1761.930707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.930707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.930707][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.930707][ T10] netlink_unicast+0x449/0x710 [ 1761.930707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.930707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.930707][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.930707][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.930707][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.930707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.930707][ T10] [ 1761.933568][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1761.934056][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1761.934056][ T10] netdev_get_by_index+0x5e/0x80 [ 1761.934056][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1761.934056][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1761.934056][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1761.934056][ T10] ipv6_add_addr+0x411/0x2000 [ 1761.934056][ T10] inet6_addr_add+0x30e/0xa40 [ 1761.934056][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1761.934056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.934056][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.934056][ T10] netlink_unicast+0x449/0x710 [ 1761.934056][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.934056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.934056][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.934056][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.934056][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.934056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.934056][ T10] [ 1761.937422][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1761.937422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1761.937422][ T10] ipv6_find_idev+0x102/0x170 [ 1761.937422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.937422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.937422][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.937422][ T10] netlink_unicast+0x449/0x710 [ 1761.937422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.937422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.937422][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.937422][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.937422][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.937422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.937422][ T10] [ 1761.940094][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1761.940094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1761.940094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1761.940094][ T10] ipv6_find_idev+0x102/0x170 [ 1761.940094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1761.940094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1761.940094][ T10] netlink_rcv_skb+0x130/0x360 [ 1761.940094][ T10] netlink_unicast+0x449/0x710 [ 1761.940094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1761.940094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1761.940094][ T10] ___sys_sendmsg+0xee/0x170 [ 1761.940094][ T10] __sys_sendmsg+0xcd/0x170 [ 1761.940094][ T10] do_syscall_64+0xc6/0x1e0 [ 1761.940094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1761.940094][ T10] [ 1772.018952][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1772.019418][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1772.019418][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.019418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.019418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.019418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.019418][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.019418][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.019418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.019418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.019418][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.019418][ T10] netlink_unicast+0x449/0x710 [ 1772.019418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.019418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.019418][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.019418][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.019418][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.019418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.019418][ T10] [ 1772.021415][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1772.021415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.021415][ T10] ipv6_find_idev+0x102/0x170 [ 1772.021415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.021415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.021415][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.021415][ T10] netlink_unicast+0x449/0x710 [ 1772.021415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.021415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.021415][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.021415][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.021415][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.021415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.021415][ T10] [ 1772.022932][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1772.022932][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.022932][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.022932][ T10] ipv6_find_idev+0x102/0x170 [ 1772.022932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.022932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.022932][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.022932][ T10] netlink_unicast+0x449/0x710 [ 1772.022932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.022932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.022932][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.022932][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.022932][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.022932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.022932][ T10] [ 1772.024592][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1772.024865][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1772.024865][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.024865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.024865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.024865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.024865][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.024865][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.024865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.024865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.024865][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.024865][ T10] netlink_unicast+0x449/0x710 [ 1772.024865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.024865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.024865][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.024865][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.024865][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.024865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.024865][ T10] [ 1772.026824][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1772.026824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.026824][ T10] ipv6_find_idev+0x102/0x170 [ 1772.026824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.026824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.026824][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.026824][ T10] netlink_unicast+0x449/0x710 [ 1772.026824][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.026824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.026824][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.026824][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.026824][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.026824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.026824][ T10] [ 1772.028334][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1772.028334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.028334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.028334][ T10] ipv6_find_idev+0x102/0x170 [ 1772.028334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.028334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.028334][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.028334][ T10] netlink_unicast+0x449/0x710 [ 1772.028334][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.028334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.028334][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.028334][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.028334][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.028334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.028334][ T10] [ 1772.029991][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1772.030248][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1772.030248][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.030248][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.030248][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.030248][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.030248][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.030248][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.030248][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.030248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.030248][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.030248][ T10] netlink_unicast+0x449/0x710 [ 1772.030248][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.030248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.030248][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.030248][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.030248][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.030248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.030248][ T10] [ 1772.032252][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1772.032252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.032252][ T10] ipv6_find_idev+0x102/0x170 [ 1772.032252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.032252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.032252][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.032252][ T10] netlink_unicast+0x449/0x710 [ 1772.032252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.032252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.032252][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.032252][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.032252][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.032252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.032252][ T10] [ 1772.033791][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1772.033791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.033791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.033791][ T10] ipv6_find_idev+0x102/0x170 [ 1772.033791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.033791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.033791][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.033791][ T10] netlink_unicast+0x449/0x710 [ 1772.033791][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.033791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.033791][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.033791][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.033791][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.033791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.033791][ T10] [ 1772.035463][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1772.035734][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1772.035734][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.035734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.035734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.035734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.035734][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.035734][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.035734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.035734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.035734][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.035734][ T10] netlink_unicast+0x449/0x710 [ 1772.035734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.035734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.035734][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.035734][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.035734][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.035734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.035734][ T10] [ 1772.037692][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1772.037692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.037692][ T10] ipv6_find_idev+0x102/0x170 [ 1772.037692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.037692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.037692][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.037692][ T10] netlink_unicast+0x449/0x710 [ 1772.037692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.037692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.037692][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.037692][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.037692][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.037692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.037692][ T10] [ 1772.039201][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1772.039201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.039201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.039201][ T10] ipv6_find_idev+0x102/0x170 [ 1772.039201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.039201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.039201][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.039201][ T10] netlink_unicast+0x449/0x710 [ 1772.039201][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.039201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.039201][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.039201][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.039201][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.039201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.039201][ T10] [ 1772.041265][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1772.041527][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1772.041527][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.041527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.041527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.041527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.041527][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.041527][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.041527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.041527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.041527][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.041527][ T10] netlink_unicast+0x449/0x710 [ 1772.041527][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.041527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.041527][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.041527][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.041527][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.041527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.041527][ T10] [ 1772.043475][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1772.043475][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.043475][ T10] ipv6_find_idev+0x102/0x170 [ 1772.043475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.043475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.043475][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.043475][ T10] netlink_unicast+0x449/0x710 [ 1772.043475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.043475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.043475][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.043475][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.043475][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.043475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.043475][ T10] [ 1772.045000][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1772.045000][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.045000][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.045000][ T10] ipv6_find_idev+0x102/0x170 [ 1772.045000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.045000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.045000][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.045000][ T10] netlink_unicast+0x449/0x710 [ 1772.045000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.045000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.045000][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.045000][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.045000][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.045000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.045000][ T10] [ 1772.046698][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1772.047019][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1772.047019][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.047019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.047019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.047019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.047019][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.047019][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.047019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.047019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.047019][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.047019][ T10] netlink_unicast+0x449/0x710 [ 1772.047019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.047019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.047019][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.047019][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.047019][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.047019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.047019][ T10] [ 1772.049041][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1772.049041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.049041][ T10] ipv6_find_idev+0x102/0x170 [ 1772.049041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.049041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.049041][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.049041][ T10] netlink_unicast+0x449/0x710 [ 1772.049041][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.049041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.049041][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.049041][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.049041][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.049041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.049041][ T10] [ 1772.050734][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1772.050734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.050734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.050734][ T10] ipv6_find_idev+0x102/0x170 [ 1772.050734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.050734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.050734][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.050734][ T10] netlink_unicast+0x449/0x710 [ 1772.050734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.050734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.050734][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.050734][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.050734][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.050734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.050734][ T10] [ 1772.052732][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1772.053047][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1772.053047][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.053047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.053047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.053047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.053047][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.053047][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.053047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.053047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.053047][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.053047][ T10] netlink_unicast+0x449/0x710 [ 1772.053047][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.053047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.053047][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.053047][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.053047][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.053047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.053047][ T10] [ 1772.055193][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1772.055193][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.055193][ T10] ipv6_find_idev+0x102/0x170 [ 1772.055193][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.055193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.055193][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.055193][ T10] netlink_unicast+0x449/0x710 [ 1772.055193][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.055193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.055193][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.055193][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.055193][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.055193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.055193][ T10] [ 1772.056881][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1772.056881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.056881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.056881][ T10] ipv6_find_idev+0x102/0x170 [ 1772.056881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.056881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.056881][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.056881][ T10] netlink_unicast+0x449/0x710 [ 1772.056881][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.056881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.056881][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.056881][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.056881][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.056881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.056881][ T10] [ 1772.058745][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1772.059057][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1772.059057][ T10] netdev_get_by_index+0x5e/0x80 [ 1772.059057][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1772.059057][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1772.059057][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1772.059057][ T10] ipv6_add_addr+0x411/0x2000 [ 1772.059057][ T10] inet6_addr_add+0x30e/0xa40 [ 1772.059057][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1772.059057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.059057][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.059057][ T10] netlink_unicast+0x449/0x710 [ 1772.059057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.059057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.059057][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.059057][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.059057][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.059057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.059057][ T10] [ 1772.061195][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1772.061195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1772.061195][ T10] ipv6_find_idev+0x102/0x170 [ 1772.061195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.061195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.061195][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.061195][ T10] netlink_unicast+0x449/0x710 [ 1772.061195][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.061195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.061195][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.061195][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.061195][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.061195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.061195][ T10] [ 1772.062961][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1772.062961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1772.062961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1772.062961][ T10] ipv6_find_idev+0x102/0x170 [ 1772.062961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1772.062961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1772.062961][ T10] netlink_rcv_skb+0x130/0x360 [ 1772.062961][ T10] netlink_unicast+0x449/0x710 [ 1772.062961][ T10] netlink_sendmsg+0x723/0xbe0 [ 1772.062961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1772.062961][ T10] ___sys_sendmsg+0xee/0x170 [ 1772.062961][ T10] __sys_sendmsg+0xcd/0x170 [ 1772.062961][ T10] do_syscall_64+0xc6/0x1e0 [ 1772.062961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1772.062961][ T10] [ 1782.194942][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1782.195403][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1782.195403][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.195403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.195403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.195403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.195403][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.195403][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.195403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.195403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.195403][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.195403][ T10] netlink_unicast+0x449/0x710 [ 1782.195403][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.195403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.195403][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.195403][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.195403][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.195403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.195403][ T10] [ 1782.197506][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1782.197506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.197506][ T10] ipv6_find_idev+0x102/0x170 [ 1782.197506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.197506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.197506][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.197506][ T10] netlink_unicast+0x449/0x710 [ 1782.197506][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.197506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.197506][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.197506][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.197506][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.197506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.197506][ T10] [ 1782.199120][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1782.199120][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.199120][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.199120][ T10] ipv6_find_idev+0x102/0x170 [ 1782.199120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.199120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.199120][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.199120][ T10] netlink_unicast+0x449/0x710 [ 1782.199120][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.199120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.199120][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.199120][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.199120][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.199120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.199120][ T10] [ 1782.200883][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1782.201156][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1782.201156][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.201156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.201156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.201156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.201156][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.201156][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.201156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.201156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.201156][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.201156][ T10] netlink_unicast+0x449/0x710 [ 1782.201156][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.201156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.201156][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.201156][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.201156][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.201156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.201156][ T10] [ 1782.203226][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1782.203226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.203226][ T10] ipv6_find_idev+0x102/0x170 [ 1782.203226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.203226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.203226][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.203226][ T10] netlink_unicast+0x449/0x710 [ 1782.203226][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.203226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.203226][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.203226][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.203226][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.203226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.203226][ T10] [ 1782.204876][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1782.204876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.204876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.204876][ T10] ipv6_find_idev+0x102/0x170 [ 1782.204876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.204876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.204876][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.204876][ T10] netlink_unicast+0x449/0x710 [ 1782.204876][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.204876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.204876][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.204876][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.204876][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.204876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.204876][ T10] [ 1782.206642][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1782.206938][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1782.206938][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.206938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.206938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.206938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.206938][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.206938][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.206938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.206938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.206938][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.206938][ T10] netlink_unicast+0x449/0x710 [ 1782.206938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.206938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.206938][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.206938][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.206938][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.206938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.206938][ T10] [ 1782.209024][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1782.209024][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.209024][ T10] ipv6_find_idev+0x102/0x170 [ 1782.209024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.209024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.209024][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.209024][ T10] netlink_unicast+0x449/0x710 [ 1782.209024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.209024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.209024][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.209024][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.209024][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.209024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.209024][ T10] [ 1782.210593][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1782.210593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.210593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.210593][ T10] ipv6_find_idev+0x102/0x170 [ 1782.210593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.210593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.210593][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.210593][ T10] netlink_unicast+0x449/0x710 [ 1782.210593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.210593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.210593][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.210593][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.210593][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.210593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.210593][ T10] [ 1782.212268][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1782.212530][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1782.212530][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.212530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.212530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.212530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.212530][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.212530][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.212530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.212530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.212530][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.212530][ T10] netlink_unicast+0x449/0x710 [ 1782.212530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.212530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.212530][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.212530][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.212530][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.212530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.212530][ T10] [ 1782.214551][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1782.214551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.214551][ T10] ipv6_find_idev+0x102/0x170 [ 1782.214551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.214551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.214551][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.214551][ T10] netlink_unicast+0x449/0x710 [ 1782.214551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.214551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.214551][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.214551][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.214551][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.214551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.214551][ T10] [ 1782.216128][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1782.216128][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.216128][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.216128][ T10] ipv6_find_idev+0x102/0x170 [ 1782.216128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.216128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.216128][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.216128][ T10] netlink_unicast+0x449/0x710 [ 1782.216128][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.216128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.216128][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.216128][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.216128][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.216128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.216128][ T10] [ 1782.218319][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1782.218603][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1782.218603][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.218603][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.218603][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.218603][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.218603][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.218603][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.218603][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.218603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.218603][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.218603][ T10] netlink_unicast+0x449/0x710 [ 1782.218603][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.218603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.218603][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.218603][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.218603][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.218603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.218603][ T10] [ 1782.220664][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1782.220664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.220664][ T10] ipv6_find_idev+0x102/0x170 [ 1782.220664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.220664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.220664][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.220664][ T10] netlink_unicast+0x449/0x710 [ 1782.220664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.220664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.220664][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.220664][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.220664][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.220664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.220664][ T10] [ 1782.222259][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1782.222259][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.222259][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.222259][ T10] ipv6_find_idev+0x102/0x170 [ 1782.222259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.222259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.222259][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.222259][ T10] netlink_unicast+0x449/0x710 [ 1782.222259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.222259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.222259][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.222259][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.222259][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.222259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.222259][ T10] [ 1782.224101][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1782.224382][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1782.224382][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.224382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.224382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.224382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.224382][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.224382][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.224382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.224382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.224382][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.224382][ T10] netlink_unicast+0x449/0x710 [ 1782.224382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.224382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.224382][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.224382][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.224382][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.224382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.224382][ T10] [ 1782.226621][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1782.226621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.226621][ T10] ipv6_find_idev+0x102/0x170 [ 1782.226621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.226621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.226621][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.226621][ T10] netlink_unicast+0x449/0x710 [ 1782.226621][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.226621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.226621][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.226621][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.226621][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.226621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.226621][ T10] [ 1782.228510][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1782.228510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.228510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.228510][ T10] ipv6_find_idev+0x102/0x170 [ 1782.228510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.228510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.228510][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.228510][ T10] netlink_unicast+0x449/0x710 [ 1782.228510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.228510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.228510][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.228510][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.228510][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.228510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.228510][ T10] [ 1782.230456][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1782.230751][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1782.230751][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.230751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.230751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.230751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.230751][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.230751][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.230751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.230751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.230751][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.230751][ T10] netlink_unicast+0x449/0x710 [ 1782.230751][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.230751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.230751][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.230751][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.230751][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.230751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.230751][ T10] [ 1782.233009][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1782.233009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.233009][ T10] ipv6_find_idev+0x102/0x170 [ 1782.233009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.233009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.233009][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.233009][ T10] netlink_unicast+0x449/0x710 [ 1782.233009][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.233009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.233009][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.233009][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.233009][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.233009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.233009][ T10] [ 1782.234735][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1782.234735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.234735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.234735][ T10] ipv6_find_idev+0x102/0x170 [ 1782.234735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.234735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.234735][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.234735][ T10] netlink_unicast+0x449/0x710 [ 1782.234735][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.234735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.234735][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.234735][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.234735][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.234735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.234735][ T10] [ 1782.236747][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1782.237075][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1782.237075][ T10] netdev_get_by_index+0x5e/0x80 [ 1782.237075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1782.237075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1782.237075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1782.237075][ T10] ipv6_add_addr+0x411/0x2000 [ 1782.237075][ T10] inet6_addr_add+0x30e/0xa40 [ 1782.237075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1782.237075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.237075][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.237075][ T10] netlink_unicast+0x449/0x710 [ 1782.237075][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.237075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.237075][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.237075][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.237075][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.237075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.237075][ T10] [ 1782.239379][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1782.239379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1782.239379][ T10] ipv6_find_idev+0x102/0x170 [ 1782.239379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.239379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.239379][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.239379][ T10] netlink_unicast+0x449/0x710 [ 1782.239379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.239379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.239379][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.239379][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.239379][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.239379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.239379][ T10] [ 1782.241153][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1782.241153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1782.241153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1782.241153][ T10] ipv6_find_idev+0x102/0x170 [ 1782.241153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1782.241153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1782.241153][ T10] netlink_rcv_skb+0x130/0x360 [ 1782.241153][ T10] netlink_unicast+0x449/0x710 [ 1782.241153][ T10] netlink_sendmsg+0x723/0xbe0 [ 1782.241153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1782.241153][ T10] ___sys_sendmsg+0xee/0x170 [ 1782.241153][ T10] __sys_sendmsg+0xcd/0x170 [ 1782.241153][ T10] do_syscall_64+0xc6/0x1e0 [ 1782.241153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1782.241153][ T10] [ 1792.482891][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1792.483320][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1792.483320][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.483320][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.483320][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.483320][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.483320][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.483320][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.483320][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.483320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.483320][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.483320][ T10] netlink_unicast+0x449/0x710 [ 1792.483320][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.483320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.483320][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.483320][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.483320][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.483320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.483320][ T10] [ 1792.485368][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1792.485368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.485368][ T10] ipv6_find_idev+0x102/0x170 [ 1792.485368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.485368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.485368][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.485368][ T10] netlink_unicast+0x449/0x710 [ 1792.485368][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.485368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.485368][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.485368][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.485368][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.485368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.485368][ T10] [ 1792.486906][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1792.486906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.486906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.486906][ T10] ipv6_find_idev+0x102/0x170 [ 1792.486906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.486906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.486906][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.486906][ T10] netlink_unicast+0x449/0x710 [ 1792.486906][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.486906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.486906][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.486906][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.486906][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.486906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.486906][ T10] [ 1792.488600][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1792.488871][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1792.488871][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.488871][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.488871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.488871][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.488871][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.488871][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.488871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.488871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.488871][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.488871][ T10] netlink_unicast+0x449/0x710 [ 1792.488871][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.488871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.488871][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.488871][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.488871][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.488871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.488871][ T10] [ 1792.490855][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1792.490855][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.490855][ T10] ipv6_find_idev+0x102/0x170 [ 1792.490855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.490855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.490855][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.490855][ T10] netlink_unicast+0x449/0x710 [ 1792.490855][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.490855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.490855][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.490855][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.490855][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.490855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.490855][ T10] [ 1792.492414][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1792.492414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.492414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.492414][ T10] ipv6_find_idev+0x102/0x170 [ 1792.492414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.492414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.492414][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.492414][ T10] netlink_unicast+0x449/0x710 [ 1792.492414][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.492414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.492414][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.492414][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.492414][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.492414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.492414][ T10] [ 1792.494124][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1792.494388][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1792.494388][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.494388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.494388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.494388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.494388][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.494388][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.494388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.494388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.494388][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.494388][ T10] netlink_unicast+0x449/0x710 [ 1792.494388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.494388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.494388][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.494388][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.494388][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.494388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.494388][ T10] [ 1792.496406][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1792.496406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.496406][ T10] ipv6_find_idev+0x102/0x170 [ 1792.496406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.496406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.496406][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.496406][ T10] netlink_unicast+0x449/0x710 [ 1792.496406][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.496406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.496406][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.496406][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.496406][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.496406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.496406][ T10] [ 1792.497955][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1792.497955][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.497955][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.497955][ T10] ipv6_find_idev+0x102/0x170 [ 1792.497955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.497955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.497955][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.497955][ T10] netlink_unicast+0x449/0x710 [ 1792.497955][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.497955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.497955][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.497955][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.497955][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.497955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.497955][ T10] [ 1792.499643][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1792.500351][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1792.500351][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.500351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.500351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.500351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.500351][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.500351][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.500351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.500351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.500351][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.500351][ T10] netlink_unicast+0x449/0x710 [ 1792.500351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.500351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.500351][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.500351][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.500351][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.500351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.500351][ T10] [ 1792.502348][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1792.502348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.502348][ T10] ipv6_find_idev+0x102/0x170 [ 1792.502348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.502348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.502348][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.502348][ T10] netlink_unicast+0x449/0x710 [ 1792.502348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.502348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.502348][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.502348][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.502348][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.502348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.502348][ T10] [ 1792.503896][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1792.503896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.503896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.503896][ T10] ipv6_find_idev+0x102/0x170 [ 1792.503896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.503896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.503896][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.503896][ T10] netlink_unicast+0x449/0x710 [ 1792.503896][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.503896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.503896][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.503896][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.503896][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.503896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.503896][ T10] [ 1792.505634][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1792.505968][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1792.505968][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.505968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.505968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.505968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.505968][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.505968][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.505968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.505968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.505968][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.505968][ T10] netlink_unicast+0x449/0x710 [ 1792.505968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.505968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.505968][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.505968][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.505968][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.505968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.505968][ T10] [ 1792.507981][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1792.507981][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.507981][ T10] ipv6_find_idev+0x102/0x170 [ 1792.507981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.507981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.507981][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.507981][ T10] netlink_unicast+0x449/0x710 [ 1792.507981][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.507981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.507981][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.507981][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.507981][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.507981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.507981][ T10] [ 1792.509510][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1792.509510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.509510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.509510][ T10] ipv6_find_idev+0x102/0x170 [ 1792.509510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.509510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.509510][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.509510][ T10] netlink_unicast+0x449/0x710 [ 1792.509510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.509510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.509510][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.509510][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.509510][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.509510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.509510][ T10] [ 1792.511248][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1792.511559][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1792.511559][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.511559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.511559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.511559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.511559][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.511559][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.511559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.511559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.511559][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.511559][ T10] netlink_unicast+0x449/0x710 [ 1792.511559][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.511559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.511559][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.511559][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.511559][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.511559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.511559][ T10] [ 1792.513555][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1792.513555][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.513555][ T10] ipv6_find_idev+0x102/0x170 [ 1792.513555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.513555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.513555][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.513555][ T10] netlink_unicast+0x449/0x710 [ 1792.513555][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.513555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.513555][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.513555][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.513555][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.513555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.513555][ T10] [ 1792.515314][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1792.515314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.515314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.515314][ T10] ipv6_find_idev+0x102/0x170 [ 1792.515314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.515314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.515314][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.515314][ T10] netlink_unicast+0x449/0x710 [ 1792.515314][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.515314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.515314][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.515314][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.515314][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.515314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.515314][ T10] [ 1792.517290][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1792.517595][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1792.517595][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.517595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.517595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.517595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.517595][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.517595][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.517595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.517595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.517595][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.517595][ T10] netlink_unicast+0x449/0x710 [ 1792.517595][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.517595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.517595][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.517595][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.517595][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.517595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.517595][ T10] [ 1792.519773][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1792.519773][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.519773][ T10] ipv6_find_idev+0x102/0x170 [ 1792.519773][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.519773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.519773][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.519773][ T10] netlink_unicast+0x449/0x710 [ 1792.519773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.519773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.519773][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.519773][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.519773][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.519773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.519773][ T10] [ 1792.521494][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1792.521494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.521494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.521494][ T10] ipv6_find_idev+0x102/0x170 [ 1792.521494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.521494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.521494][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.521494][ T10] netlink_unicast+0x449/0x710 [ 1792.521494][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.521494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.521494][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.521494][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.521494][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.521494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.521494][ T10] [ 1792.523459][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1792.523767][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1792.523767][ T10] netdev_get_by_index+0x5e/0x80 [ 1792.523767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1792.523767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1792.523767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1792.523767][ T10] ipv6_add_addr+0x411/0x2000 [ 1792.523767][ T10] inet6_addr_add+0x30e/0xa40 [ 1792.523767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1792.523767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.523767][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.523767][ T10] netlink_unicast+0x449/0x710 [ 1792.523767][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.523767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.523767][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.523767][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.523767][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.523767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.523767][ T10] [ 1792.525951][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1792.525951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1792.525951][ T10] ipv6_find_idev+0x102/0x170 [ 1792.525951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.525951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.525951][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.525951][ T10] netlink_unicast+0x449/0x710 [ 1792.525951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.525951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.525951][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.525951][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.525951][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.525951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.525951][ T10] [ 1792.527731][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1792.527731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1792.527731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1792.527731][ T10] ipv6_find_idev+0x102/0x170 [ 1792.527731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1792.527731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1792.527731][ T10] netlink_rcv_skb+0x130/0x360 [ 1792.527731][ T10] netlink_unicast+0x449/0x710 [ 1792.527731][ T10] netlink_sendmsg+0x723/0xbe0 [ 1792.527731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1792.527731][ T10] ___sys_sendmsg+0xee/0x170 [ 1792.527731][ T10] __sys_sendmsg+0xcd/0x170 [ 1792.527731][ T10] do_syscall_64+0xc6/0x1e0 [ 1792.527731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1792.527731][ T10] [ 1802.595028][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1802.595660][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1802.595660][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.595660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.595660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.595660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.595660][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.595660][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.595660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.595660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.595660][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.595660][ T10] netlink_unicast+0x449/0x710 [ 1802.595660][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.595660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.595660][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.595660][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.595660][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.595660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.595660][ T10] [ 1802.598915][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1802.598915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.598915][ T10] ipv6_find_idev+0x102/0x170 [ 1802.598915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.598915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.598915][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.598915][ T10] netlink_unicast+0x449/0x710 [ 1802.598915][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.598915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.598915][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.598915][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.598915][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.598915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.598915][ T10] [ 1802.601383][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1802.601383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.601383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.601383][ T10] ipv6_find_idev+0x102/0x170 [ 1802.601383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.601383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.601383][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.601383][ T10] netlink_unicast+0x449/0x710 [ 1802.601383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.601383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.601383][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.601383][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.601383][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.601383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.601383][ T10] [ 1802.604214][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1802.604700][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1802.604700][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.604700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.604700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.604700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.604700][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.604700][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.604700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.604700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.604700][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.604700][ T10] netlink_unicast+0x449/0x710 [ 1802.604700][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.604700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.604700][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.604700][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.604700][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.604700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.604700][ T10] [ 1802.608017][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1802.608017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.608017][ T10] ipv6_find_idev+0x102/0x170 [ 1802.608017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.608017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.608017][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.608017][ T10] netlink_unicast+0x449/0x710 [ 1802.608017][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.608017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.608017][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.608017][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.608017][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.608017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.608017][ T10] [ 1802.610530][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1802.610530][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.610530][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.610530][ T10] ipv6_find_idev+0x102/0x170 [ 1802.610530][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.610530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.610530][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.610530][ T10] netlink_unicast+0x449/0x710 [ 1802.610530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.610530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.610530][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.610530][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.610530][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.610530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.610530][ T10] [ 1802.613444][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1802.613890][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1802.613890][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.613890][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.613890][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.613890][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.613890][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.613890][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.613890][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.613890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.613890][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.613890][ T10] netlink_unicast+0x449/0x710 [ 1802.613890][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.613890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.613890][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.613890][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.613890][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.613890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.613890][ T10] [ 1802.617155][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1802.617155][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.617155][ T10] ipv6_find_idev+0x102/0x170 [ 1802.617155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.617155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.617155][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.617155][ T10] netlink_unicast+0x449/0x710 [ 1802.617155][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.617155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.617155][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.617155][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.617155][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.617155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.617155][ T10] [ 1802.619364][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1802.619364][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.619364][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.619364][ T10] ipv6_find_idev+0x102/0x170 [ 1802.619364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.619364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.619364][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.619364][ T10] netlink_unicast+0x449/0x710 [ 1802.619364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.619364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.619364][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.619364][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.619364][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.619364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.619364][ T10] [ 1802.621927][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1802.622327][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1802.622327][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.622327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.622327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.622327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.622327][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.622327][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.622327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.622327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.622327][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.622327][ T10] netlink_unicast+0x449/0x710 [ 1802.622327][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.622327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.622327][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.622327][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.622327][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.622327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.622327][ T10] [ 1802.625301][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1802.625301][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.625301][ T10] ipv6_find_idev+0x102/0x170 [ 1802.625301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.625301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.625301][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.625301][ T10] netlink_unicast+0x449/0x710 [ 1802.625301][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.625301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.625301][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.625301][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.625301][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.625301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.625301][ T10] [ 1802.627715][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1802.627715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.627715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.627715][ T10] ipv6_find_idev+0x102/0x170 [ 1802.627715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.627715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.627715][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.627715][ T10] netlink_unicast+0x449/0x710 [ 1802.627715][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.627715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.627715][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.627715][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.627715][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.627715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.627715][ T10] [ 1802.631038][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1802.632082][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1802.632082][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.632082][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.632082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.632082][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.632082][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.632082][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.632082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.632082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.632082][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.632082][ T10] netlink_unicast+0x449/0x710 [ 1802.632082][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.632082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.632082][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.632082][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.632082][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.632082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.632082][ T10] [ 1802.635249][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1802.635249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.635249][ T10] ipv6_find_idev+0x102/0x170 [ 1802.635249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.635249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.635249][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.635249][ T10] netlink_unicast+0x449/0x710 [ 1802.635249][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.635249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.635249][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.635249][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.635249][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.635249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.635249][ T10] [ 1802.637602][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1802.637602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.637602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.637602][ T10] ipv6_find_idev+0x102/0x170 [ 1802.637602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.637602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.637602][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.637602][ T10] netlink_unicast+0x449/0x710 [ 1802.637602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.637602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.637602][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.637602][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.637602][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.637602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.637602][ T10] [ 1802.640260][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1802.640671][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1802.640671][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.640671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.640671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.640671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.640671][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.640671][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.640671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.640671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.640671][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.640671][ T10] netlink_unicast+0x449/0x710 [ 1802.640671][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.640671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.640671][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.640671][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.640671][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.640671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.640671][ T10] [ 1802.643825][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1802.643825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.643825][ T10] ipv6_find_idev+0x102/0x170 [ 1802.643825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.643825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.643825][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.643825][ T10] netlink_unicast+0x449/0x710 [ 1802.643825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.643825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.643825][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.643825][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.643825][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.643825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.643825][ T10] [ 1802.646408][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1802.646408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.646408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.646408][ T10] ipv6_find_idev+0x102/0x170 [ 1802.646408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.646408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.646408][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.646408][ T10] netlink_unicast+0x449/0x710 [ 1802.646408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.646408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.646408][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.646408][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.646408][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.646408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.646408][ T10] [ 1802.649667][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1802.650246][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1802.650246][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.650246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.650246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.650246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.650246][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.650246][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.650246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.650246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.650246][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.650246][ T10] netlink_unicast+0x449/0x710 [ 1802.650246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.650246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.650246][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.650246][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.650246][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.650246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.650246][ T10] [ 1802.653958][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1802.653958][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.653958][ T10] ipv6_find_idev+0x102/0x170 [ 1802.653958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.653958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.653958][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.653958][ T10] netlink_unicast+0x449/0x710 [ 1802.653958][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.653958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.653958][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.653958][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.653958][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.653958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.653958][ T10] [ 1802.656745][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1802.656745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.656745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.656745][ T10] ipv6_find_idev+0x102/0x170 [ 1802.656745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.656745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.656745][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.656745][ T10] netlink_unicast+0x449/0x710 [ 1802.656745][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.656745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.656745][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.656745][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.656745][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.656745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.656745][ T10] [ 1802.659580][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1802.660063][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1802.660063][ T10] netdev_get_by_index+0x5e/0x80 [ 1802.660063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1802.660063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1802.660063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1802.660063][ T10] ipv6_add_addr+0x411/0x2000 [ 1802.660063][ T10] inet6_addr_add+0x30e/0xa40 [ 1802.660063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1802.660063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.660063][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.660063][ T10] netlink_unicast+0x449/0x710 [ 1802.660063][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.660063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.660063][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.660063][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.660063][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.660063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.660063][ T10] [ 1802.663303][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1802.663303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1802.663303][ T10] ipv6_find_idev+0x102/0x170 [ 1802.663303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.663303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.663303][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.663303][ T10] netlink_unicast+0x449/0x710 [ 1802.663303][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.663303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.663303][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.663303][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.663303][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.663303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.663303][ T10] [ 1802.665977][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1802.665977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1802.665977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1802.665977][ T10] ipv6_find_idev+0x102/0x170 [ 1802.665977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1802.665977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1802.665977][ T10] netlink_rcv_skb+0x130/0x360 [ 1802.665977][ T10] netlink_unicast+0x449/0x710 [ 1802.665977][ T10] netlink_sendmsg+0x723/0xbe0 [ 1802.665977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1802.665977][ T10] ___sys_sendmsg+0xee/0x170 [ 1802.665977][ T10] __sys_sendmsg+0xcd/0x170 [ 1802.665977][ T10] do_syscall_64+0xc6/0x1e0 [ 1802.665977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1802.665977][ T10] [ 1812.882958][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1812.883448][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1812.883448][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.883448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.883448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.883448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.883448][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.883448][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.883448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.883448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.883448][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.883448][ T10] netlink_unicast+0x449/0x710 [ 1812.883448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.883448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.883448][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.883448][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.883448][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.883448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.883448][ T10] [ 1812.885476][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1812.885476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.885476][ T10] ipv6_find_idev+0x102/0x170 [ 1812.885476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.885476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.885476][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.885476][ T10] netlink_unicast+0x449/0x710 [ 1812.885476][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.885476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.885476][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.885476][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.885476][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.885476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.885476][ T10] [ 1812.887015][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1812.887015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.887015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.887015][ T10] ipv6_find_idev+0x102/0x170 [ 1812.887015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.887015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.887015][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.887015][ T10] netlink_unicast+0x449/0x710 [ 1812.887015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.887015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.887015][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.887015][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.887015][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.887015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.887015][ T10] [ 1812.888712][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1812.888995][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1812.888995][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.888995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.888995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.888995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.888995][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.888995][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.888995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.888995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.888995][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.888995][ T10] netlink_unicast+0x449/0x710 [ 1812.888995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.888995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.888995][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.888995][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.888995][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.888995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.888995][ T10] [ 1812.891000][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1812.891000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.891000][ T10] ipv6_find_idev+0x102/0x170 [ 1812.891000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.891000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.891000][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.891000][ T10] netlink_unicast+0x449/0x710 [ 1812.891000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.891000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.891000][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.891000][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.891000][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.891000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.891000][ T10] [ 1812.892558][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1812.892558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.892558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.892558][ T10] ipv6_find_idev+0x102/0x170 [ 1812.892558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.892558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.892558][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.892558][ T10] netlink_unicast+0x449/0x710 [ 1812.892558][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.892558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.892558][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.892558][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.892558][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.892558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.892558][ T10] [ 1812.894229][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1812.894499][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1812.894499][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.894499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.894499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.894499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.894499][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.894499][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.894499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.894499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.894499][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.894499][ T10] netlink_unicast+0x449/0x710 [ 1812.894499][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.894499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.894499][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.894499][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.894499][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.894499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.894499][ T10] [ 1812.896487][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1812.896487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.896487][ T10] ipv6_find_idev+0x102/0x170 [ 1812.896487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.896487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.896487][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.896487][ T10] netlink_unicast+0x449/0x710 [ 1812.896487][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.896487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.896487][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.896487][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.896487][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.896487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.896487][ T10] [ 1812.898018][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1812.898018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.898018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.898018][ T10] ipv6_find_idev+0x102/0x170 [ 1812.898018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.898018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.898018][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.898018][ T10] netlink_unicast+0x449/0x710 [ 1812.898018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.898018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.898018][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.898018][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.898018][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.898018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.898018][ T10] [ 1812.899692][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1812.900396][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1812.900396][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.900396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.900396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.900396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.900396][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.900396][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.900396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.900396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.900396][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.900396][ T10] netlink_unicast+0x449/0x710 [ 1812.900396][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.900396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.900396][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.900396][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.900396][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.900396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.900396][ T10] [ 1812.902393][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1812.902393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.902393][ T10] ipv6_find_idev+0x102/0x170 [ 1812.902393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.902393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.902393][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.902393][ T10] netlink_unicast+0x449/0x710 [ 1812.902393][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.902393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.902393][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.902393][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.902393][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.902393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.902393][ T10] [ 1812.903949][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1812.903949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.903949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.903949][ T10] ipv6_find_idev+0x102/0x170 [ 1812.903949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.903949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.903949][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.903949][ T10] netlink_unicast+0x449/0x710 [ 1812.903949][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.903949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.903949][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.903949][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.903949][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.903949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.903949][ T10] [ 1812.905677][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1812.906001][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1812.906001][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.906001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.906001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.906001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.906001][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.906001][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.906001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.906001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.906001][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.906001][ T10] netlink_unicast+0x449/0x710 [ 1812.906001][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.906001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.906001][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.906001][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.906001][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.906001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.906001][ T10] [ 1812.907975][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1812.907975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.907975][ T10] ipv6_find_idev+0x102/0x170 [ 1812.907975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.907975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.907975][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.907975][ T10] netlink_unicast+0x449/0x710 [ 1812.907975][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.907975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.907975][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.907975][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.907975][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.907975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.907975][ T10] [ 1812.909531][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1812.909531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.909531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.909531][ T10] ipv6_find_idev+0x102/0x170 [ 1812.909531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.909531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.909531][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.909531][ T10] netlink_unicast+0x449/0x710 [ 1812.909531][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.909531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.909531][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.909531][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.909531][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.909531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.909531][ T10] [ 1812.911275][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1812.911538][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1812.911538][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.911538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.911538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.911538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.911538][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.911538][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.911538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.911538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.911538][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.911538][ T10] netlink_unicast+0x449/0x710 [ 1812.911538][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.911538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.911538][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.911538][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.911538][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.911538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.911538][ T10] [ 1812.913604][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1812.913604][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.913604][ T10] ipv6_find_idev+0x102/0x170 [ 1812.913604][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.913604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.913604][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.913604][ T10] netlink_unicast+0x449/0x710 [ 1812.913604][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.913604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.913604][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.913604][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.913604][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.913604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.913604][ T10] [ 1812.915238][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1812.915238][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.915238][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.915238][ T10] ipv6_find_idev+0x102/0x170 [ 1812.915238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.915238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.915238][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.915238][ T10] netlink_unicast+0x449/0x710 [ 1812.915238][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.915238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.915238][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.915238][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.915238][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.915238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.915238][ T10] [ 1812.917078][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1812.917345][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1812.917345][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.917345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.917345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.917345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.917345][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.917345][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.917345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.917345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.917345][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.917345][ T10] netlink_unicast+0x449/0x710 [ 1812.917345][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.917345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.917345][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.917345][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.917345][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.917345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.917345][ T10] [ 1812.919464][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1812.919464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.919464][ T10] ipv6_find_idev+0x102/0x170 [ 1812.919464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.919464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.919464][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.919464][ T10] netlink_unicast+0x449/0x710 [ 1812.919464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.919464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.919464][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.919464][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.919464][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.919464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.919464][ T10] [ 1812.921058][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1812.921058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.921058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.921058][ T10] ipv6_find_idev+0x102/0x170 [ 1812.921058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.921058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.921058][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.921058][ T10] netlink_unicast+0x449/0x710 [ 1812.921058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.921058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.921058][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.921058][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.921058][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.921058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.921058][ T10] [ 1812.922899][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1812.923159][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1812.923159][ T10] netdev_get_by_index+0x5e/0x80 [ 1812.923159][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1812.923159][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1812.923159][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1812.923159][ T10] ipv6_add_addr+0x411/0x2000 [ 1812.923159][ T10] inet6_addr_add+0x30e/0xa40 [ 1812.923159][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1812.923159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.923159][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.923159][ T10] netlink_unicast+0x449/0x710 [ 1812.923159][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.923159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.923159][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.923159][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.923159][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.923159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.923159][ T10] [ 1812.925296][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1812.925296][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1812.925296][ T10] ipv6_find_idev+0x102/0x170 [ 1812.925296][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.925296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.925296][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.925296][ T10] netlink_unicast+0x449/0x710 [ 1812.925296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.925296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.925296][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.925296][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.925296][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.925296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.925296][ T10] [ 1812.926886][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1812.926886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1812.926886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1812.926886][ T10] ipv6_find_idev+0x102/0x170 [ 1812.926886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1812.926886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1812.926886][ T10] netlink_rcv_skb+0x130/0x360 [ 1812.926886][ T10] netlink_unicast+0x449/0x710 [ 1812.926886][ T10] netlink_sendmsg+0x723/0xbe0 [ 1812.926886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1812.926886][ T10] ___sys_sendmsg+0xee/0x170 [ 1812.926886][ T10] __sys_sendmsg+0xcd/0x170 [ 1812.926886][ T10] do_syscall_64+0xc6/0x1e0 [ 1812.926886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1812.926886][ T10] [ 1823.090990][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1823.091470][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1823.091470][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.091470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.091470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.091470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.091470][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.091470][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.091470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.091470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.091470][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.091470][ T10] netlink_unicast+0x449/0x710 [ 1823.091470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.091470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.091470][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.091470][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.091470][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.091470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.091470][ T10] [ 1823.093500][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1823.093500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.093500][ T10] ipv6_find_idev+0x102/0x170 [ 1823.093500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.093500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.093500][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.093500][ T10] netlink_unicast+0x449/0x710 [ 1823.093500][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.093500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.093500][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.093500][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.093500][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.093500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.093500][ T10] [ 1823.095049][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1823.095049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.095049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.095049][ T10] ipv6_find_idev+0x102/0x170 [ 1823.095049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.095049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.095049][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.095049][ T10] netlink_unicast+0x449/0x710 [ 1823.095049][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.095049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.095049][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.095049][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.095049][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.095049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.095049][ T10] [ 1823.096754][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1823.097038][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1823.097038][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.097038][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.097038][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.097038][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.097038][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.097038][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.097038][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.097038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.097038][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.097038][ T10] netlink_unicast+0x449/0x710 [ 1823.097038][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.097038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.097038][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.097038][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.097038][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.097038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.097038][ T10] [ 1823.099131][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1823.099131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.099131][ T10] ipv6_find_idev+0x102/0x170 [ 1823.099131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.099131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.099131][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.099131][ T10] netlink_unicast+0x449/0x710 [ 1823.099131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.099131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.099131][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.099131][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.099131][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.099131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.099131][ T10] [ 1823.100668][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1823.100668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.100668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.100668][ T10] ipv6_find_idev+0x102/0x170 [ 1823.100668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.100668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.100668][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.100668][ T10] netlink_unicast+0x449/0x710 [ 1823.100668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.100668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.100668][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.100668][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.100668][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.100668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.100668][ T10] [ 1823.102347][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1823.102618][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1823.102618][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.102618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.102618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.102618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.102618][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.102618][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.102618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.102618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.102618][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.102618][ T10] netlink_unicast+0x449/0x710 [ 1823.102618][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.102618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.102618][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.102618][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.102618][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.102618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.102618][ T10] [ 1823.104597][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1823.104597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.104597][ T10] ipv6_find_idev+0x102/0x170 [ 1823.104597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.104597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.104597][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.104597][ T10] netlink_unicast+0x449/0x710 [ 1823.104597][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.104597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.104597][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.104597][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.104597][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.104597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.104597][ T10] [ 1823.106137][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1823.106137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.106137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.106137][ T10] ipv6_find_idev+0x102/0x170 [ 1823.106137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.106137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.106137][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.106137][ T10] netlink_unicast+0x449/0x710 [ 1823.106137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.106137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.106137][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.106137][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.106137][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.106137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.106137][ T10] [ 1823.107792][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1823.108497][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1823.108497][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.108497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.108497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.108497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.108497][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.108497][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.108497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.108497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.108497][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.108497][ T10] netlink_unicast+0x449/0x710 [ 1823.108497][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.108497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.108497][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.108497][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.108497][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.108497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.108497][ T10] [ 1823.110464][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1823.110464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.110464][ T10] ipv6_find_idev+0x102/0x170 [ 1823.110464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.110464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.110464][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.110464][ T10] netlink_unicast+0x449/0x710 [ 1823.110464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.110464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.110464][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.110464][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.110464][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.110464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.110464][ T10] [ 1823.111968][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1823.111968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.111968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.111968][ T10] ipv6_find_idev+0x102/0x170 [ 1823.111968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.111968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.111968][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.111968][ T10] netlink_unicast+0x449/0x710 [ 1823.111968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.111968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.111968][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.111968][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.111968][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.111968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.111968][ T10] [ 1823.113676][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1823.113994][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1823.113994][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.113994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.113994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.113994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.113994][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.113994][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.113994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.113994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.113994][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.113994][ T10] netlink_unicast+0x449/0x710 [ 1823.113994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.113994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.113994][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.113994][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.113994][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.113994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.113994][ T10] [ 1823.116042][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1823.116042][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.116042][ T10] ipv6_find_idev+0x102/0x170 [ 1823.116042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.116042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.116042][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.116042][ T10] netlink_unicast+0x449/0x710 [ 1823.116042][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.116042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.116042][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.116042][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.116042][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.116042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.116042][ T10] [ 1823.117594][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1823.117594][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.117594][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.117594][ T10] ipv6_find_idev+0x102/0x170 [ 1823.117594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.117594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.117594][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.117594][ T10] netlink_unicast+0x449/0x710 [ 1823.117594][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.117594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.117594][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.117594][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.117594][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.117594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.117594][ T10] [ 1823.119297][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1823.119570][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1823.119570][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.119570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.119570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.119570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.119570][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.119570][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.119570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.119570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.119570][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.119570][ T10] netlink_unicast+0x449/0x710 [ 1823.119570][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.119570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.119570][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.119570][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.119570][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.119570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.119570][ T10] [ 1823.121623][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1823.121623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.121623][ T10] ipv6_find_idev+0x102/0x170 [ 1823.121623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.121623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.121623][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.121623][ T10] netlink_unicast+0x449/0x710 [ 1823.121623][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.121623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.121623][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.121623][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.121623][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.121623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.121623][ T10] [ 1823.123383][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1823.123383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.123383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.123383][ T10] ipv6_find_idev+0x102/0x170 [ 1823.123383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.123383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.123383][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.123383][ T10] netlink_unicast+0x449/0x710 [ 1823.123383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.123383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.123383][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.123383][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.123383][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.123383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.123383][ T10] [ 1823.125320][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1823.125584][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1823.125584][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.125584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.125584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.125584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.125584][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.125584][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.125584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.125584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.125584][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.125584][ T10] netlink_unicast+0x449/0x710 [ 1823.125584][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.125584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.125584][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.125584][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.125584][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.125584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.125584][ T10] [ 1823.127836][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1823.127836][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.127836][ T10] ipv6_find_idev+0x102/0x170 [ 1823.127836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.127836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.127836][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.127836][ T10] netlink_unicast+0x449/0x710 [ 1823.127836][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.127836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.127836][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.127836][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.127836][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.127836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.127836][ T10] [ 1823.129633][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1823.129633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.129633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.129633][ T10] ipv6_find_idev+0x102/0x170 [ 1823.129633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.129633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.129633][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.129633][ T10] netlink_unicast+0x449/0x710 [ 1823.129633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.129633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.129633][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.129633][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.129633][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.129633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.129633][ T10] [ 1823.131506][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1823.131763][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1823.131763][ T10] netdev_get_by_index+0x5e/0x80 [ 1823.131763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1823.131763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1823.131763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1823.131763][ T10] ipv6_add_addr+0x411/0x2000 [ 1823.131763][ T10] inet6_addr_add+0x30e/0xa40 [ 1823.131763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1823.131763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.131763][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.131763][ T10] netlink_unicast+0x449/0x710 [ 1823.131763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.131763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.131763][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.131763][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.131763][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.131763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.131763][ T10] [ 1823.134057][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1823.134057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1823.134057][ T10] ipv6_find_idev+0x102/0x170 [ 1823.134057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.134057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.134057][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.134057][ T10] netlink_unicast+0x449/0x710 [ 1823.134057][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.134057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.134057][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.134057][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.134057][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.134057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.134057][ T10] [ 1823.135764][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1823.135764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1823.135764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1823.135764][ T10] ipv6_find_idev+0x102/0x170 [ 1823.135764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1823.135764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1823.135764][ T10] netlink_rcv_skb+0x130/0x360 [ 1823.135764][ T10] netlink_unicast+0x449/0x710 [ 1823.135764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1823.135764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1823.135764][ T10] ___sys_sendmsg+0xee/0x170 [ 1823.135764][ T10] __sys_sendmsg+0xcd/0x170 [ 1823.135764][ T10] do_syscall_64+0xc6/0x1e0 [ 1823.135764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1823.135764][ T10] [ 1833.362955][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1833.363361][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1833.363361][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.363361][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.363361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.363361][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.363361][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.363361][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.363361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.363361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.363361][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.363361][ T10] netlink_unicast+0x449/0x710 [ 1833.363361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.363361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.363361][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.363361][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.363361][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.363361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.363361][ T10] [ 1833.365469][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1833.365469][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.365469][ T10] ipv6_find_idev+0x102/0x170 [ 1833.365469][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.365469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.365469][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.365469][ T10] netlink_unicast+0x449/0x710 [ 1833.365469][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.365469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.365469][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.365469][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.365469][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.365469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.365469][ T10] [ 1833.367015][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1833.367015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.367015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.367015][ T10] ipv6_find_idev+0x102/0x170 [ 1833.367015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.367015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.367015][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.367015][ T10] netlink_unicast+0x449/0x710 [ 1833.367015][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.367015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.367015][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.367015][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.367015][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.367015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.367015][ T10] [ 1833.368689][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1833.368969][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1833.368969][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.368969][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.368969][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.368969][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.368969][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.368969][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.368969][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.368969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.368969][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.368969][ T10] netlink_unicast+0x449/0x710 [ 1833.368969][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.368969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.368969][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.368969][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.368969][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.368969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.368969][ T10] [ 1833.370937][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1833.370937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.370937][ T10] ipv6_find_idev+0x102/0x170 [ 1833.370937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.370937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.370937][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.370937][ T10] netlink_unicast+0x449/0x710 [ 1833.370937][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.370937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.370937][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.370937][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.370937][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.370937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.370937][ T10] [ 1833.372462][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1833.372462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.372462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.372462][ T10] ipv6_find_idev+0x102/0x170 [ 1833.372462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.372462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.372462][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.372462][ T10] netlink_unicast+0x449/0x710 [ 1833.372462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.372462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.372462][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.372462][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.372462][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.372462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.372462][ T10] [ 1833.374115][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1833.374375][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1833.374375][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.374375][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.374375][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.374375][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.374375][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.374375][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.374375][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.374375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.374375][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.374375][ T10] netlink_unicast+0x449/0x710 [ 1833.374375][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.374375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.374375][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.374375][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.374375][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.374375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.374375][ T10] [ 1833.376366][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1833.376366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.376366][ T10] ipv6_find_idev+0x102/0x170 [ 1833.376366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.376366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.376366][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.376366][ T10] netlink_unicast+0x449/0x710 [ 1833.376366][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.376366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.376366][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.376366][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.376366][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.376366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.376366][ T10] [ 1833.377892][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1833.377892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.377892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.377892][ T10] ipv6_find_idev+0x102/0x170 [ 1833.377892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.377892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.377892][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.377892][ T10] netlink_unicast+0x449/0x710 [ 1833.377892][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.377892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.377892][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.377892][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.377892][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.377892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.377892][ T10] [ 1833.379569][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1833.379842][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1833.379842][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.379842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.379842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.379842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.379842][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.379842][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.379842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.379842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.379842][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.379842][ T10] netlink_unicast+0x449/0x710 [ 1833.379842][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.379842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.379842][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.379842][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.379842][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.379842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.379842][ T10] [ 1833.381804][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1833.381804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.381804][ T10] ipv6_find_idev+0x102/0x170 [ 1833.381804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.381804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.381804][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.381804][ T10] netlink_unicast+0x449/0x710 [ 1833.381804][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.381804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.381804][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.381804][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.381804][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.381804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.381804][ T10] [ 1833.383315][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1833.383315][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.383315][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.383315][ T10] ipv6_find_idev+0x102/0x170 [ 1833.383315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.383315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.383315][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.383315][ T10] netlink_unicast+0x449/0x710 [ 1833.383315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.383315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.383315][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.383315][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.383315][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.383315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.383315][ T10] [ 1833.385389][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1833.385650][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1833.385650][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.385650][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.385650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.385650][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.385650][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.385650][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.385650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.385650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.385650][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.385650][ T10] netlink_unicast+0x449/0x710 [ 1833.385650][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.385650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.385650][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.385650][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.385650][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.385650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.385650][ T10] [ 1833.387600][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1833.387600][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.387600][ T10] ipv6_find_idev+0x102/0x170 [ 1833.387600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.387600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.387600][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.387600][ T10] netlink_unicast+0x449/0x710 [ 1833.387600][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.387600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.387600][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.387600][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.387600][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.387600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.387600][ T10] [ 1833.389115][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1833.389115][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.389115][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.389115][ T10] ipv6_find_idev+0x102/0x170 [ 1833.389115][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.389115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.389115][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.389115][ T10] netlink_unicast+0x449/0x710 [ 1833.389115][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.389115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.389115][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.389115][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.389115][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.389115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.389115][ T10] [ 1833.390815][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1833.391134][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1833.391134][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.391134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.391134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.391134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.391134][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.391134][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.391134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.391134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.391134][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.391134][ T10] netlink_unicast+0x449/0x710 [ 1833.391134][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.391134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.391134][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.391134][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.391134][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.391134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.391134][ T10] [ 1833.393179][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1833.393179][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.393179][ T10] ipv6_find_idev+0x102/0x170 [ 1833.393179][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.393179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.393179][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.393179][ T10] netlink_unicast+0x449/0x710 [ 1833.393179][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.393179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.393179][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.393179][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.393179][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.393179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.393179][ T10] [ 1833.394887][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1833.394887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.394887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.394887][ T10] ipv6_find_idev+0x102/0x170 [ 1833.394887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.394887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.394887][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.394887][ T10] netlink_unicast+0x449/0x710 [ 1833.394887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.394887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.394887][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.394887][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.394887][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.394887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.394887][ T10] [ 1833.396901][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1833.397172][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1833.397172][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.397172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.397172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.397172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.397172][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.397172][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.397172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.397172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.397172][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.397172][ T10] netlink_unicast+0x449/0x710 [ 1833.397172][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.397172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.397172][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.397172][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.397172][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.397172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.397172][ T10] [ 1833.399315][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1833.399315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.399315][ T10] ipv6_find_idev+0x102/0x170 [ 1833.399315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.399315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.399315][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.399315][ T10] netlink_unicast+0x449/0x710 [ 1833.399315][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.399315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.399315][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.399315][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.399315][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.399315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.399315][ T10] [ 1833.401018][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1833.401018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.401018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.401018][ T10] ipv6_find_idev+0x102/0x170 [ 1833.401018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.401018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.401018][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.401018][ T10] netlink_unicast+0x449/0x710 [ 1833.401018][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.401018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.401018][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.401018][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.401018][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.401018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.401018][ T10] [ 1833.402951][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1833.403216][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1833.403216][ T10] netdev_get_by_index+0x5e/0x80 [ 1833.403216][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1833.403216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1833.403216][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1833.403216][ T10] ipv6_add_addr+0x411/0x2000 [ 1833.403216][ T10] inet6_addr_add+0x30e/0xa40 [ 1833.403216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1833.403216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.403216][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.403216][ T10] netlink_unicast+0x449/0x710 [ 1833.403216][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.403216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.403216][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.403216][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.403216][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.403216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.403216][ T10] [ 1833.405364][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1833.405364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1833.405364][ T10] ipv6_find_idev+0x102/0x170 [ 1833.405364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.405364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.405364][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.405364][ T10] netlink_unicast+0x449/0x710 [ 1833.405364][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.405364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.405364][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.405364][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.405364][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.405364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.405364][ T10] [ 1833.407105][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1833.407105][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1833.407105][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1833.407105][ T10] ipv6_find_idev+0x102/0x170 [ 1833.407105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1833.407105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1833.407105][ T10] netlink_rcv_skb+0x130/0x360 [ 1833.407105][ T10] netlink_unicast+0x449/0x710 [ 1833.407105][ T10] netlink_sendmsg+0x723/0xbe0 [ 1833.407105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1833.407105][ T10] ___sys_sendmsg+0xee/0x170 [ 1833.407105][ T10] __sys_sendmsg+0xcd/0x170 [ 1833.407105][ T10] do_syscall_64+0xc6/0x1e0 [ 1833.407105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1833.407105][ T10] [ 1843.434894][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1843.435350][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1843.435350][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.435350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.435350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.435350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.435350][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.435350][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.435350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.435350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.435350][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.435350][ T10] netlink_unicast+0x449/0x710 [ 1843.435350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.435350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.435350][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.435350][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.435350][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.435350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.435350][ T10] [ 1843.437411][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1843.437411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.437411][ T10] ipv6_find_idev+0x102/0x170 [ 1843.437411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.437411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.437411][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.437411][ T10] netlink_unicast+0x449/0x710 [ 1843.437411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.437411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.437411][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.437411][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.437411][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.437411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.437411][ T10] [ 1843.438940][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1843.438940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.438940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.438940][ T10] ipv6_find_idev+0x102/0x170 [ 1843.438940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.438940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.438940][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.438940][ T10] netlink_unicast+0x449/0x710 [ 1843.438940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.438940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.438940][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.438940][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.438940][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.438940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.438940][ T10] [ 1843.440691][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1843.441025][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1843.441025][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.441025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.441025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.441025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.441025][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.441025][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.441025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.441025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.441025][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.441025][ T10] netlink_unicast+0x449/0x710 [ 1843.441025][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.441025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.441025][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.441025][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.441025][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.441025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.441025][ T10] [ 1843.443061][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1843.443061][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.443061][ T10] ipv6_find_idev+0x102/0x170 [ 1843.443061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.443061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.443061][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.443061][ T10] netlink_unicast+0x449/0x710 [ 1843.443061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.443061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.443061][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.443061][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.443061][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.443061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.443061][ T10] [ 1843.444628][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1843.444628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.444628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.444628][ T10] ipv6_find_idev+0x102/0x170 [ 1843.444628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.444628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.444628][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.444628][ T10] netlink_unicast+0x449/0x710 [ 1843.444628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.444628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.444628][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.444628][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.444628][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.444628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.444628][ T10] [ 1843.446331][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1843.446602][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1843.446602][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.446602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.446602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.446602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.446602][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.446602][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.446602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.446602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.446602][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.446602][ T10] netlink_unicast+0x449/0x710 [ 1843.446602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.446602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.446602][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.446602][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.446602][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.446602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.446602][ T10] [ 1843.448682][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1843.448682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.448682][ T10] ipv6_find_idev+0x102/0x170 [ 1843.448682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.448682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.448682][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.448682][ T10] netlink_unicast+0x449/0x710 [ 1843.448682][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.448682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.448682][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.448682][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.448682][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.448682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.448682][ T10] [ 1843.450271][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1843.450271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.450271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.450271][ T10] ipv6_find_idev+0x102/0x170 [ 1843.450271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.450271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.450271][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.450271][ T10] netlink_unicast+0x449/0x710 [ 1843.450271][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.450271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.450271][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.450271][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.450271][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.450271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.450271][ T10] [ 1843.452010][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1843.452274][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1843.452274][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.452274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.452274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.452274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.452274][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.452274][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.452274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.452274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.452274][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.452274][ T10] netlink_unicast+0x449/0x710 [ 1843.452274][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.452274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.452274][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.452274][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.452274][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.452274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.452274][ T10] [ 1843.454370][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1843.454370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.454370][ T10] ipv6_find_idev+0x102/0x170 [ 1843.454370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.454370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.454370][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.454370][ T10] netlink_unicast+0x449/0x710 [ 1843.454370][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.454370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.454370][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.454370][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.454370][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.454370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.454370][ T10] [ 1843.455966][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1843.455966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.455966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.455966][ T10] ipv6_find_idev+0x102/0x170 [ 1843.455966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.455966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.455966][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.455966][ T10] netlink_unicast+0x449/0x710 [ 1843.455966][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.455966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.455966][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.455966][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.455966][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.455966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.455966][ T10] [ 1843.457671][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1843.458000][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1843.458000][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.458000][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.458000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.458000][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.458000][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.458000][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.458000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.458000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.458000][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.458000][ T10] netlink_unicast+0x449/0x710 [ 1843.458000][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.458000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.458000][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.458000][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.458000][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.458000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.458000][ T10] [ 1843.459989][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1843.459989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.459989][ T10] ipv6_find_idev+0x102/0x170 [ 1843.459989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.459989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.459989][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.459989][ T10] netlink_unicast+0x449/0x710 [ 1843.459989][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.459989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.459989][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.459989][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.459989][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.459989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.459989][ T10] [ 1843.461551][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1843.461551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.461551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.461551][ T10] ipv6_find_idev+0x102/0x170 [ 1843.461551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.461551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.461551][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.461551][ T10] netlink_unicast+0x449/0x710 [ 1843.461551][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.461551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.461551][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.461551][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.461551][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.461551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.461551][ T10] [ 1843.463612][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1843.463893][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1843.463893][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.463893][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.463893][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.463893][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.463893][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.463893][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.463893][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.463893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.463893][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.463893][ T10] netlink_unicast+0x449/0x710 [ 1843.463893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.463893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.463893][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.463893][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.463893][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.463893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.463893][ T10] [ 1843.466131][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1843.466131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.466131][ T10] ipv6_find_idev+0x102/0x170 [ 1843.466131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.466131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.466131][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.466131][ T10] netlink_unicast+0x449/0x710 [ 1843.466131][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.466131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.466131][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.466131][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.466131][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.466131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.466131][ T10] [ 1843.468020][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1843.468020][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.468020][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.468020][ T10] ipv6_find_idev+0x102/0x170 [ 1843.468020][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.468020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.468020][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.468020][ T10] netlink_unicast+0x449/0x710 [ 1843.468020][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.468020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.468020][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.468020][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.468020][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.468020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.468020][ T10] [ 1843.470095][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1843.470376][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1843.470376][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.470376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.470376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.470376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.470376][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.470376][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.470376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.470376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.470376][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.470376][ T10] netlink_unicast+0x449/0x710 [ 1843.470376][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.470376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.470376][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.470376][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.470376][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.470376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.470376][ T10] [ 1843.472566][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1843.472566][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.472566][ T10] ipv6_find_idev+0x102/0x170 [ 1843.472566][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.472566][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.472566][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.472566][ T10] netlink_unicast+0x449/0x710 [ 1843.472566][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.472566][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.472566][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.472566][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.472566][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.472566][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.472566][ T10] [ 1843.474268][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1843.474268][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.474268][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.474268][ T10] ipv6_find_idev+0x102/0x170 [ 1843.474268][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.474268][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.474268][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.474268][ T10] netlink_unicast+0x449/0x710 [ 1843.474268][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.474268][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.474268][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.474268][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.474268][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.474268][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.474268][ T10] [ 1843.476349][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1843.476629][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1843.476629][ T10] netdev_get_by_index+0x5e/0x80 [ 1843.476629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1843.476629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1843.476629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1843.476629][ T10] ipv6_add_addr+0x411/0x2000 [ 1843.476629][ T10] inet6_addr_add+0x30e/0xa40 [ 1843.476629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1843.476629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.476629][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.476629][ T10] netlink_unicast+0x449/0x710 [ 1843.476629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.476629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.476629][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.476629][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.476629][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.476629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.476629][ T10] [ 1843.478901][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1843.478901][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1843.478901][ T10] ipv6_find_idev+0x102/0x170 [ 1843.478901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.478901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.478901][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.478901][ T10] netlink_unicast+0x449/0x710 [ 1843.478901][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.478901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.478901][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.478901][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.478901][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.478901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.478901][ T10] [ 1843.480706][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1843.480706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1843.480706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1843.480706][ T10] ipv6_find_idev+0x102/0x170 [ 1843.480706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1843.480706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1843.480706][ T10] netlink_rcv_skb+0x130/0x360 [ 1843.480706][ T10] netlink_unicast+0x449/0x710 [ 1843.480706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1843.480706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1843.480706][ T10] ___sys_sendmsg+0xee/0x170 [ 1843.480706][ T10] __sys_sendmsg+0xcd/0x170 [ 1843.480706][ T10] do_syscall_64+0xc6/0x1e0 [ 1843.480706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1843.480706][ T10] [ 1853.723091][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1853.723564][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1853.723564][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.723564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.723564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.723564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.723564][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.723564][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.723564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.723564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.723564][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.723564][ T10] netlink_unicast+0x449/0x710 [ 1853.723564][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.723564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.723564][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.723564][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.723564][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.723564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.723564][ T10] [ 1853.726094][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1853.726094][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.726094][ T10] ipv6_find_idev+0x102/0x170 [ 1853.726094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.726094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.726094][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.726094][ T10] netlink_unicast+0x449/0x710 [ 1853.726094][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.726094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.726094][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.726094][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.726094][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.726094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.726094][ T10] [ 1853.727615][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1853.727615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.727615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.727615][ T10] ipv6_find_idev+0x102/0x170 [ 1853.727615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.727615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.727615][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.727615][ T10] netlink_unicast+0x449/0x710 [ 1853.727615][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.727615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.727615][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.727615][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.727615][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.727615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.727615][ T10] [ 1853.729292][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1853.729562][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1853.729562][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.729562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.729562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.729562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.729562][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.729562][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.729562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.729562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.729562][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.729562][ T10] netlink_unicast+0x449/0x710 [ 1853.729562][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.729562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.729562][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.729562][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.729562][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.729562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.729562][ T10] [ 1853.731550][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1853.731550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.731550][ T10] ipv6_find_idev+0x102/0x170 [ 1853.731550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.731550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.731550][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.731550][ T10] netlink_unicast+0x449/0x710 [ 1853.731550][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.731550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.731550][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.731550][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.731550][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.731550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.731550][ T10] [ 1853.733061][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1853.733061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.733061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.733061][ T10] ipv6_find_idev+0x102/0x170 [ 1853.733061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.733061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.733061][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.733061][ T10] netlink_unicast+0x449/0x710 [ 1853.733061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.733061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.733061][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.733061][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.733061][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.733061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.733061][ T10] [ 1853.734712][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1853.734984][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1853.734984][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.734984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.734984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.734984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.734984][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.734984][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.734984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.734984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.734984][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.734984][ T10] netlink_unicast+0x449/0x710 [ 1853.734984][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.734984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.734984][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.734984][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.734984][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.734984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.734984][ T10] [ 1853.736941][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1853.736941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.736941][ T10] ipv6_find_idev+0x102/0x170 [ 1853.736941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.736941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.736941][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.736941][ T10] netlink_unicast+0x449/0x710 [ 1853.736941][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.736941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.736941][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.736941][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.736941][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.736941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.736941][ T10] [ 1853.738448][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1853.738448][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.738448][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.738448][ T10] ipv6_find_idev+0x102/0x170 [ 1853.738448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.738448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.738448][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.738448][ T10] netlink_unicast+0x449/0x710 [ 1853.738448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.738448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.738448][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.738448][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.738448][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.738448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.738448][ T10] [ 1853.740487][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1853.740754][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1853.740754][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.740754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.740754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.740754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.740754][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.740754][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.740754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.740754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.740754][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.740754][ T10] netlink_unicast+0x449/0x710 [ 1853.740754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.740754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.740754][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.740754][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.740754][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.740754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.740754][ T10] [ 1853.742710][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1853.742710][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.742710][ T10] ipv6_find_idev+0x102/0x170 [ 1853.742710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.742710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.742710][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.742710][ T10] netlink_unicast+0x449/0x710 [ 1853.742710][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.742710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.742710][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.742710][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.742710][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.742710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.742710][ T10] [ 1853.744216][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1853.744216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.744216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.744216][ T10] ipv6_find_idev+0x102/0x170 [ 1853.744216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.744216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.744216][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.744216][ T10] netlink_unicast+0x449/0x710 [ 1853.744216][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.744216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.744216][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.744216][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.744216][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.744216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.744216][ T10] [ 1853.745872][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1853.746127][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1853.746127][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.746127][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.746127][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.746127][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.746127][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.746127][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.746127][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.746127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.746127][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.746127][ T10] netlink_unicast+0x449/0x710 [ 1853.746127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.746127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.746127][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.746127][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.746127][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.746127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.746127][ T10] [ 1853.748103][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1853.748103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.748103][ T10] ipv6_find_idev+0x102/0x170 [ 1853.748103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.748103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.748103][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.748103][ T10] netlink_unicast+0x449/0x710 [ 1853.748103][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.748103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.748103][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.748103][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.748103][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.748103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.748103][ T10] [ 1853.749691][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1853.749691][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.749691][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.749691][ T10] ipv6_find_idev+0x102/0x170 [ 1853.749691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.749691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.749691][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.749691][ T10] netlink_unicast+0x449/0x710 [ 1853.749691][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.749691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.749691][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.749691][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.749691][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.749691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.749691][ T10] [ 1853.751565][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1853.751825][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1853.751825][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.751825][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.751825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.751825][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.751825][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.751825][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.751825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.751825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.751825][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.751825][ T10] netlink_unicast+0x449/0x710 [ 1853.751825][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.751825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.751825][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.751825][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.751825][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.751825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.751825][ T10] [ 1853.754086][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1853.754086][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.754086][ T10] ipv6_find_idev+0x102/0x170 [ 1853.754086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.754086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.754086][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.754086][ T10] netlink_unicast+0x449/0x710 [ 1853.754086][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.754086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.754086][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.754086][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.754086][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.754086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.754086][ T10] [ 1853.755785][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1853.755785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.755785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.755785][ T10] ipv6_find_idev+0x102/0x170 [ 1853.755785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.755785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.755785][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.755785][ T10] netlink_unicast+0x449/0x710 [ 1853.755785][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.755785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.755785][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.755785][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.755785][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.755785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.755785][ T10] [ 1853.757653][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1853.757970][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1853.757970][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.757970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.757970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.757970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.757970][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.757970][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.757970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.757970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.757970][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.757970][ T10] netlink_unicast+0x449/0x710 [ 1853.757970][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.757970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.757970][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.757970][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.757970][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.757970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.757970][ T10] [ 1853.760100][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1853.760100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.760100][ T10] ipv6_find_idev+0x102/0x170 [ 1853.760100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.760100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.760100][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.760100][ T10] netlink_unicast+0x449/0x710 [ 1853.760100][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.760100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.760100][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.760100][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.760100][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.760100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.760100][ T10] [ 1853.761782][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1853.761782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.761782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.761782][ T10] ipv6_find_idev+0x102/0x170 [ 1853.761782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.761782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.761782][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.761782][ T10] netlink_unicast+0x449/0x710 [ 1853.761782][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.761782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.761782][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.761782][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.761782][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.761782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.761782][ T10] [ 1853.763704][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1853.764026][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1853.764026][ T10] netdev_get_by_index+0x5e/0x80 [ 1853.764026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1853.764026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1853.764026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1853.764026][ T10] ipv6_add_addr+0x411/0x2000 [ 1853.764026][ T10] inet6_addr_add+0x30e/0xa40 [ 1853.764026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1853.764026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.764026][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.764026][ T10] netlink_unicast+0x449/0x710 [ 1853.764026][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.764026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.764026][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.764026][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.764026][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.764026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.764026][ T10] [ 1853.766177][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1853.766177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1853.766177][ T10] ipv6_find_idev+0x102/0x170 [ 1853.766177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.766177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.766177][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.766177][ T10] netlink_unicast+0x449/0x710 [ 1853.766177][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.766177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.766177][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.766177][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.766177][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.766177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.766177][ T10] [ 1853.767859][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1853.767859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1853.767859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1853.767859][ T10] ipv6_find_idev+0x102/0x170 [ 1853.767859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1853.767859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1853.767859][ T10] netlink_rcv_skb+0x130/0x360 [ 1853.767859][ T10] netlink_unicast+0x449/0x710 [ 1853.767859][ T10] netlink_sendmsg+0x723/0xbe0 [ 1853.767859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1853.767859][ T10] ___sys_sendmsg+0xee/0x170 [ 1853.767859][ T10] __sys_sendmsg+0xcd/0x170 [ 1853.767859][ T10] do_syscall_64+0xc6/0x1e0 [ 1853.767859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1853.767859][ T10] [ 1864.010956][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1864.011475][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1864.011475][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.011475][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.011475][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.011475][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.011475][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.011475][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.011475][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.011475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.011475][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.011475][ T10] netlink_unicast+0x449/0x710 [ 1864.011475][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.011475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.011475][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.011475][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.011475][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.011475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.011475][ T10] [ 1864.013468][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1864.013468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.013468][ T10] ipv6_find_idev+0x102/0x170 [ 1864.013468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.013468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.013468][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.013468][ T10] netlink_unicast+0x449/0x710 [ 1864.013468][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.013468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.013468][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.013468][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.013468][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.013468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.013468][ T10] [ 1864.015010][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1864.015010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.015010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.015010][ T10] ipv6_find_idev+0x102/0x170 [ 1864.015010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.015010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.015010][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.015010][ T10] netlink_unicast+0x449/0x710 [ 1864.015010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.015010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.015010][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.015010][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.015010][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.015010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.015010][ T10] [ 1864.016688][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1864.016968][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1864.016968][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.016968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.016968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.016968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.016968][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.016968][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.016968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.016968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.016968][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.016968][ T10] netlink_unicast+0x449/0x710 [ 1864.016968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.016968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.016968][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.016968][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.016968][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.016968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.016968][ T10] [ 1864.018933][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1864.018933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.018933][ T10] ipv6_find_idev+0x102/0x170 [ 1864.018933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.018933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.018933][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.018933][ T10] netlink_unicast+0x449/0x710 [ 1864.018933][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.018933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.018933][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.018933][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.018933][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.018933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.018933][ T10] [ 1864.020445][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1864.020445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.020445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.020445][ T10] ipv6_find_idev+0x102/0x170 [ 1864.020445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.020445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.020445][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.020445][ T10] netlink_unicast+0x449/0x710 [ 1864.020445][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.020445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.020445][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.020445][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.020445][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.020445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.020445][ T10] [ 1864.022099][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1864.022358][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1864.022358][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.022358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.022358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.022358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.022358][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.022358][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.022358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.022358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.022358][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.022358][ T10] netlink_unicast+0x449/0x710 [ 1864.022358][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.022358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.022358][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.022358][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.022358][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.022358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.022358][ T10] [ 1864.024354][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1864.024354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.024354][ T10] ipv6_find_idev+0x102/0x170 [ 1864.024354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.024354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.024354][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.024354][ T10] netlink_unicast+0x449/0x710 [ 1864.024354][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.024354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.024354][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.024354][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.024354][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.024354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.024354][ T10] [ 1864.026237][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1864.026237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.026237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.026237][ T10] ipv6_find_idev+0x102/0x170 [ 1864.026237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.026237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.026237][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.026237][ T10] netlink_unicast+0x449/0x710 [ 1864.026237][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.026237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.026237][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.026237][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.026237][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.026237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.026237][ T10] [ 1864.027915][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1864.028186][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1864.028186][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.028186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.028186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.028186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.028186][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.028186][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.028186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.028186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.028186][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.028186][ T10] netlink_unicast+0x449/0x710 [ 1864.028186][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.028186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.028186][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.028186][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.028186][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.028186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.028186][ T10] [ 1864.030146][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1864.030146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.030146][ T10] ipv6_find_idev+0x102/0x170 [ 1864.030146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.030146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.030146][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.030146][ T10] netlink_unicast+0x449/0x710 [ 1864.030146][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.030146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.030146][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.030146][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.030146][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.030146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.030146][ T10] [ 1864.031663][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1864.031663][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.031663][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.031663][ T10] ipv6_find_idev+0x102/0x170 [ 1864.031663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.031663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.031663][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.031663][ T10] netlink_unicast+0x449/0x710 [ 1864.031663][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.031663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.031663][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.031663][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.031663][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.031663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.031663][ T10] [ 1864.033743][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1864.034385][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1864.034385][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.034385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.034385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.034385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.034385][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.034385][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.034385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.034385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.034385][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.034385][ T10] netlink_unicast+0x449/0x710 [ 1864.034385][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.034385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.034385][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.034385][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.034385][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.034385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.034385][ T10] [ 1864.036351][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1864.036351][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.036351][ T10] ipv6_find_idev+0x102/0x170 [ 1864.036351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.036351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.036351][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.036351][ T10] netlink_unicast+0x449/0x710 [ 1864.036351][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.036351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.036351][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.036351][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.036351][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.036351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.036351][ T10] [ 1864.037857][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1864.037857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.037857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.037857][ T10] ipv6_find_idev+0x102/0x170 [ 1864.037857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.037857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.037857][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.037857][ T10] netlink_unicast+0x449/0x710 [ 1864.037857][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.037857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.037857][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.037857][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.037857][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.037857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.037857][ T10] [ 1864.039619][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1864.039880][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1864.039880][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.039880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.039880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.039880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.039880][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.039880][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.039880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.039880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.039880][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.039880][ T10] netlink_unicast+0x449/0x710 [ 1864.039880][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.039880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.039880][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.039880][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.039880][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.039880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.039880][ T10] [ 1864.042381][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1864.042381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.042381][ T10] ipv6_find_idev+0x102/0x170 [ 1864.042381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.042381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.042381][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.042381][ T10] netlink_unicast+0x449/0x710 [ 1864.042381][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.042381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.042381][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.042381][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.042381][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.042381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.042381][ T10] [ 1864.043951][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1864.043951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.043951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.043951][ T10] ipv6_find_idev+0x102/0x170 [ 1864.043951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.043951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.043951][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.043951][ T10] netlink_unicast+0x449/0x710 [ 1864.043951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.043951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.043951][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.043951][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.043951][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.043951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.043951][ T10] [ 1864.045873][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1864.046137][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1864.046137][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.046137][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.046137][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.046137][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.046137][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.046137][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.046137][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.046137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.046137][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.046137][ T10] netlink_unicast+0x449/0x710 [ 1864.046137][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.046137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.046137][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.046137][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.046137][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.046137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.046137][ T10] [ 1864.048428][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1864.048428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.048428][ T10] ipv6_find_idev+0x102/0x170 [ 1864.048428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.048428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.048428][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.048428][ T10] netlink_unicast+0x449/0x710 [ 1864.048428][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.048428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.048428][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.048428][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.048428][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.048428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.048428][ T10] [ 1864.050490][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1864.050490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.050490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.050490][ T10] ipv6_find_idev+0x102/0x170 [ 1864.050490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.050490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.050490][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.050490][ T10] netlink_unicast+0x449/0x710 [ 1864.050490][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.050490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.050490][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.050490][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.050490][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.050490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.050490][ T10] [ 1864.052367][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1864.052629][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1864.052629][ T10] netdev_get_by_index+0x5e/0x80 [ 1864.052629][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1864.052629][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1864.052629][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1864.052629][ T10] ipv6_add_addr+0x411/0x2000 [ 1864.052629][ T10] inet6_addr_add+0x30e/0xa40 [ 1864.052629][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1864.052629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.052629][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.052629][ T10] netlink_unicast+0x449/0x710 [ 1864.052629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.052629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.052629][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.052629][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.052629][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.052629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.052629][ T10] [ 1864.054828][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1864.054828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1864.054828][ T10] ipv6_find_idev+0x102/0x170 [ 1864.054828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.054828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.054828][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.054828][ T10] netlink_unicast+0x449/0x710 [ 1864.054828][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.054828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.054828][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.054828][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.054828][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.054828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.054828][ T10] [ 1864.056454][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1864.056454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1864.056454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1864.056454][ T10] ipv6_find_idev+0x102/0x170 [ 1864.056454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1864.056454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1864.056454][ T10] netlink_rcv_skb+0x130/0x360 [ 1864.056454][ T10] netlink_unicast+0x449/0x710 [ 1864.056454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1864.056454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1864.056454][ T10] ___sys_sendmsg+0xee/0x170 [ 1864.056454][ T10] __sys_sendmsg+0xcd/0x170 [ 1864.056454][ T10] do_syscall_64+0xc6/0x1e0 [ 1864.056454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1864.056454][ T10] [ 1874.299017][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1874.299448][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1874.299448][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.299448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.299448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.299448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.299448][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.299448][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.299448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.299448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.299448][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.299448][ T10] netlink_unicast+0x449/0x710 [ 1874.299448][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.299448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.299448][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.299448][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.299448][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.299448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.299448][ T10] [ 1874.301438][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1874.301438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.301438][ T10] ipv6_find_idev+0x102/0x170 [ 1874.301438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.301438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.301438][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.301438][ T10] netlink_unicast+0x449/0x710 [ 1874.301438][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.301438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.301438][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.301438][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.301438][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.301438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.301438][ T10] [ 1874.302951][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1874.302951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.302951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.302951][ T10] ipv6_find_idev+0x102/0x170 [ 1874.302951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.302951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.302951][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.302951][ T10] netlink_unicast+0x449/0x710 [ 1874.302951][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.302951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.302951][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.302951][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.302951][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.302951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.302951][ T10] [ 1874.304635][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1874.304911][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1874.304911][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.304911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.304911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.304911][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.304911][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.304911][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.304911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.304911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.304911][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.304911][ T10] netlink_unicast+0x449/0x710 [ 1874.304911][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.304911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.304911][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.304911][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.304911][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.304911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.304911][ T10] [ 1874.306864][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1874.306864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.306864][ T10] ipv6_find_idev+0x102/0x170 [ 1874.306864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.306864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.306864][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.306864][ T10] netlink_unicast+0x449/0x710 [ 1874.306864][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.306864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.306864][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.306864][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.306864][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.306864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.306864][ T10] [ 1874.308391][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1874.308391][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.308391][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.308391][ T10] ipv6_find_idev+0x102/0x170 [ 1874.308391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.308391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.308391][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.308391][ T10] netlink_unicast+0x449/0x710 [ 1874.308391][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.308391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.308391][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.308391][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.308391][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.308391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.308391][ T10] [ 1874.310052][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1874.310311][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1874.310311][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.310311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.310311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.310311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.310311][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.310311][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.310311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.310311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.310311][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.310311][ T10] netlink_unicast+0x449/0x710 [ 1874.310311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.310311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.310311][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.310311][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.310311][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.310311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.310311][ T10] [ 1874.312293][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1874.312293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.312293][ T10] ipv6_find_idev+0x102/0x170 [ 1874.312293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.312293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.312293][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.312293][ T10] netlink_unicast+0x449/0x710 [ 1874.312293][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.312293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.312293][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.312293][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.312293][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.312293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.312293][ T10] [ 1874.313802][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1874.313802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.313802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.313802][ T10] ipv6_find_idev+0x102/0x170 [ 1874.313802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.313802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.313802][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.313802][ T10] netlink_unicast+0x449/0x710 [ 1874.313802][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.313802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.313802][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.313802][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.313802][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.313802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.313802][ T10] [ 1874.315519][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1874.315781][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1874.315781][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.315781][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.315781][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.315781][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.315781][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.315781][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.315781][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.315781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.315781][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.315781][ T10] netlink_unicast+0x449/0x710 [ 1874.315781][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.315781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.315781][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.315781][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.315781][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.315781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.315781][ T10] [ 1874.317765][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1874.317765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.317765][ T10] ipv6_find_idev+0x102/0x170 [ 1874.317765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.317765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.317765][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.317765][ T10] netlink_unicast+0x449/0x710 [ 1874.317765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.317765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.317765][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.317765][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.317765][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.317765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.317765][ T10] [ 1874.319300][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1874.319300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.319300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.319300][ T10] ipv6_find_idev+0x102/0x170 [ 1874.319300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.319300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.319300][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.319300][ T10] netlink_unicast+0x449/0x710 [ 1874.319300][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.319300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.319300][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.319300][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.319300][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.319300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.319300][ T10] [ 1874.321368][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1874.321628][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1874.321628][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.321628][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.321628][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.321628][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.321628][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.321628][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.321628][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.321628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.321628][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.321628][ T10] netlink_unicast+0x449/0x710 [ 1874.321628][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.321628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.321628][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.321628][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.321628][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.321628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.321628][ T10] [ 1874.323593][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1874.323593][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.323593][ T10] ipv6_find_idev+0x102/0x170 [ 1874.323593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.323593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.323593][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.323593][ T10] netlink_unicast+0x449/0x710 [ 1874.323593][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.323593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.323593][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.323593][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.323593][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.323593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.323593][ T10] [ 1874.325108][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1874.325108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.325108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.325108][ T10] ipv6_find_idev+0x102/0x170 [ 1874.325108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.325108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.325108][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.325108][ T10] netlink_unicast+0x449/0x710 [ 1874.325108][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.325108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.325108][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.325108][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.325108][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.325108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.325108][ T10] [ 1874.326794][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1874.327124][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1874.327124][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.327124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.327124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.327124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.327124][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.327124][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.327124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.327124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.327124][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.327124][ T10] netlink_unicast+0x449/0x710 [ 1874.327124][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.327124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.327124][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.327124][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.327124][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.327124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.327124][ T10] [ 1874.329205][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1874.329205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.329205][ T10] ipv6_find_idev+0x102/0x170 [ 1874.329205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.329205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.329205][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.329205][ T10] netlink_unicast+0x449/0x710 [ 1874.329205][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.329205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.329205][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.329205][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.329205][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.329205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.329205][ T10] [ 1874.330973][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1874.330973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.330973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.330973][ T10] ipv6_find_idev+0x102/0x170 [ 1874.330973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.330973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.330973][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.330973][ T10] netlink_unicast+0x449/0x710 [ 1874.330973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.330973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.330973][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.330973][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.330973][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.330973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.330973][ T10] [ 1874.332861][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1874.333119][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1874.333119][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.333119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.333119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.333119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.333119][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.333119][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.333119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.333119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.333119][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.333119][ T10] netlink_unicast+0x449/0x710 [ 1874.333119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.333119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.333119][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.333119][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.333119][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.333119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.333119][ T10] [ 1874.335316][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1874.335316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.335316][ T10] ipv6_find_idev+0x102/0x170 [ 1874.335316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.335316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.335316][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.335316][ T10] netlink_unicast+0x449/0x710 [ 1874.335316][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.335316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.335316][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.335316][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.335316][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.335316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.335316][ T10] [ 1874.337004][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1874.337004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.337004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.337004][ T10] ipv6_find_idev+0x102/0x170 [ 1874.337004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.337004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.337004][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.337004][ T10] netlink_unicast+0x449/0x710 [ 1874.337004][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.337004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.337004][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.337004][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.337004][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.337004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.337004][ T10] [ 1874.338941][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1874.339202][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1874.339202][ T10] netdev_get_by_index+0x5e/0x80 [ 1874.339202][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1874.339202][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1874.339202][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1874.339202][ T10] ipv6_add_addr+0x411/0x2000 [ 1874.339202][ T10] inet6_addr_add+0x30e/0xa40 [ 1874.339202][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1874.339202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.339202][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.339202][ T10] netlink_unicast+0x449/0x710 [ 1874.339202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.339202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.339202][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.339202][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.339202][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.339202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.339202][ T10] [ 1874.341399][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1874.341399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1874.341399][ T10] ipv6_find_idev+0x102/0x170 [ 1874.341399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.341399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.341399][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.341399][ T10] netlink_unicast+0x449/0x710 [ 1874.341399][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.341399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.341399][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.341399][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.341399][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.341399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.341399][ T10] [ 1874.343092][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1874.343092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1874.343092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1874.343092][ T10] ipv6_find_idev+0x102/0x170 [ 1874.343092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1874.343092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1874.343092][ T10] netlink_rcv_skb+0x130/0x360 [ 1874.343092][ T10] netlink_unicast+0x449/0x710 [ 1874.343092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1874.343092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1874.343092][ T10] ___sys_sendmsg+0xee/0x170 [ 1874.343092][ T10] __sys_sendmsg+0xcd/0x170 [ 1874.343092][ T10] do_syscall_64+0xc6/0x1e0 [ 1874.343092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1874.343092][ T10] [ 1884.586958][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1884.587365][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1884.587365][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.587365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.587365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.587365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.587365][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.587365][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.587365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.587365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.587365][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.587365][ T10] netlink_unicast+0x449/0x710 [ 1884.587365][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.587365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.587365][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.587365][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.587365][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.587365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.587365][ T10] [ 1884.589333][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1884.589333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.589333][ T10] ipv6_find_idev+0x102/0x170 [ 1884.589333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.589333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.589333][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.589333][ T10] netlink_unicast+0x449/0x710 [ 1884.589333][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.589333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.589333][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.589333][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.589333][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.589333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.589333][ T10] [ 1884.590867][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1884.590867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.590867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.590867][ T10] ipv6_find_idev+0x102/0x170 [ 1884.590867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.590867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.590867][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.590867][ T10] netlink_unicast+0x449/0x710 [ 1884.590867][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.590867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.590867][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.590867][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.590867][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.590867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.590867][ T10] [ 1884.592658][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1884.592936][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1884.592936][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.592936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.592936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.592936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.592936][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.592936][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.592936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.592936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.592936][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.592936][ T10] netlink_unicast+0x449/0x710 [ 1884.592936][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.592936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.592936][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.592936][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.592936][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.592936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.592936][ T10] [ 1884.594931][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1884.594931][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.594931][ T10] ipv6_find_idev+0x102/0x170 [ 1884.594931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.594931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.594931][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.594931][ T10] netlink_unicast+0x449/0x710 [ 1884.594931][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.594931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.594931][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.594931][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.594931][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.594931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.594931][ T10] [ 1884.596442][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1884.596442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.596442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.596442][ T10] ipv6_find_idev+0x102/0x170 [ 1884.596442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.596442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.596442][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.596442][ T10] netlink_unicast+0x449/0x710 [ 1884.596442][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.596442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.596442][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.596442][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.596442][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.596442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.596442][ T10] [ 1884.598102][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1884.598363][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1884.598363][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.598363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.598363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.598363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.598363][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.598363][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.598363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.598363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.598363][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.598363][ T10] netlink_unicast+0x449/0x710 [ 1884.598363][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.598363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.598363][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.598363][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.598363][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.598363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.598363][ T10] [ 1884.600350][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1884.600350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.600350][ T10] ipv6_find_idev+0x102/0x170 [ 1884.600350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.600350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.600350][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.600350][ T10] netlink_unicast+0x449/0x710 [ 1884.600350][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.600350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.600350][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.600350][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.600350][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.600350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.600350][ T10] [ 1884.601858][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1884.601858][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.601858][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.601858][ T10] ipv6_find_idev+0x102/0x170 [ 1884.601858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.601858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.601858][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.601858][ T10] netlink_unicast+0x449/0x710 [ 1884.601858][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.601858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.601858][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.601858][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.601858][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.601858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.601858][ T10] [ 1884.603526][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1884.603787][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1884.603787][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.603787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.603787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.603787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.603787][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.603787][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.603787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.603787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.603787][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.603787][ T10] netlink_unicast+0x449/0x710 [ 1884.603787][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.603787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.603787][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.603787][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.603787][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.603787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.603787][ T10] [ 1884.605754][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1884.605754][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.605754][ T10] ipv6_find_idev+0x102/0x170 [ 1884.605754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.605754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.605754][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.605754][ T10] netlink_unicast+0x449/0x710 [ 1884.605754][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.605754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.605754][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.605754][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.605754][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.605754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.605754][ T10] [ 1884.607292][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1884.607292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.607292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.607292][ T10] ipv6_find_idev+0x102/0x170 [ 1884.607292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.607292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.607292][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.607292][ T10] netlink_unicast+0x449/0x710 [ 1884.607292][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.607292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.607292][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.607292][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.607292][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.607292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.607292][ T10] [ 1884.609345][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1884.609610][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1884.609610][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.609610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.609610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.609610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.609610][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.609610][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.609610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.609610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.609610][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.609610][ T10] netlink_unicast+0x449/0x710 [ 1884.609610][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.609610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.609610][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.609610][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.609610][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.609610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.609610][ T10] [ 1884.611582][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1884.611582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.611582][ T10] ipv6_find_idev+0x102/0x170 [ 1884.611582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.611582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.611582][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.611582][ T10] netlink_unicast+0x449/0x710 [ 1884.611582][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.611582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.611582][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.611582][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.611582][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.611582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.611582][ T10] [ 1884.613111][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1884.613111][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.613111][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.613111][ T10] ipv6_find_idev+0x102/0x170 [ 1884.613111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.613111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.613111][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.613111][ T10] netlink_unicast+0x449/0x710 [ 1884.613111][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.613111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.613111][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.613111][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.613111][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.613111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.613111][ T10] [ 1884.614890][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1884.615149][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1884.615149][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.615149][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.615149][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.615149][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.615149][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.615149][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.615149][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.615149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.615149][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.615149][ T10] netlink_unicast+0x449/0x710 [ 1884.615149][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.615149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.615149][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.615149][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.615149][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.615149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.615149][ T10] [ 1884.617170][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1884.617170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.617170][ T10] ipv6_find_idev+0x102/0x170 [ 1884.617170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.617170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.617170][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.617170][ T10] netlink_unicast+0x449/0x710 [ 1884.617170][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.617170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.617170][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.617170][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.617170][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.617170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.617170][ T10] [ 1884.618939][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1884.618939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.618939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.618939][ T10] ipv6_find_idev+0x102/0x170 [ 1884.618939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.618939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.618939][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.618939][ T10] netlink_unicast+0x449/0x710 [ 1884.618939][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.618939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.618939][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.618939][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.618939][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.618939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.618939][ T10] [ 1884.620894][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1884.621161][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1884.621161][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.621161][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.621161][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.621161][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.621161][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.621161][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.621161][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.621161][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.621161][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.621161][ T10] netlink_unicast+0x449/0x710 [ 1884.621161][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.621161][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.621161][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.621161][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.621161][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.621161][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.621161][ T10] [ 1884.623309][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1884.623309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.623309][ T10] ipv6_find_idev+0x102/0x170 [ 1884.623309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.623309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.623309][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.623309][ T10] netlink_unicast+0x449/0x710 [ 1884.623309][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.623309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.623309][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.623309][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.623309][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.623309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.623309][ T10] [ 1884.625002][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1884.625002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.625002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.625002][ T10] ipv6_find_idev+0x102/0x170 [ 1884.625002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.625002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.625002][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.625002][ T10] netlink_unicast+0x449/0x710 [ 1884.625002][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.625002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.625002][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.625002][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.625002][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.625002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.625002][ T10] [ 1884.626949][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1884.627220][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1884.627220][ T10] netdev_get_by_index+0x5e/0x80 [ 1884.627220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1884.627220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1884.627220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1884.627220][ T10] ipv6_add_addr+0x411/0x2000 [ 1884.627220][ T10] inet6_addr_add+0x30e/0xa40 [ 1884.627220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1884.627220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.627220][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.627220][ T10] netlink_unicast+0x449/0x710 [ 1884.627220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.627220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.627220][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.627220][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.627220][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.627220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.627220][ T10] [ 1884.629420][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1884.629420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1884.629420][ T10] ipv6_find_idev+0x102/0x170 [ 1884.629420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.629420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.629420][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.629420][ T10] netlink_unicast+0x449/0x710 [ 1884.629420][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.629420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.629420][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.629420][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.629420][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.629420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.629420][ T10] [ 1884.631127][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1884.631127][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1884.631127][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1884.631127][ T10] ipv6_find_idev+0x102/0x170 [ 1884.631127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1884.631127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1884.631127][ T10] netlink_rcv_skb+0x130/0x360 [ 1884.631127][ T10] netlink_unicast+0x449/0x710 [ 1884.631127][ T10] netlink_sendmsg+0x723/0xbe0 [ 1884.631127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1884.631127][ T10] ___sys_sendmsg+0xee/0x170 [ 1884.631127][ T10] __sys_sendmsg+0xcd/0x170 [ 1884.631127][ T10] do_syscall_64+0xc6/0x1e0 [ 1884.631127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1884.631127][ T10] [ 1894.811029][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1894.811510][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1894.811510][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.811510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.811510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.811510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.811510][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.811510][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.811510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.811510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.811510][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.811510][ T10] netlink_unicast+0x449/0x710 [ 1894.811510][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.811510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.811510][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.811510][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.811510][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.811510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.811510][ T10] [ 1894.813534][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1894.813534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.813534][ T10] ipv6_find_idev+0x102/0x170 [ 1894.813534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.813534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.813534][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.813534][ T10] netlink_unicast+0x449/0x710 [ 1894.813534][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.813534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.813534][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.813534][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.813534][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.813534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.813534][ T10] [ 1894.815055][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1894.815055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.815055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.815055][ T10] ipv6_find_idev+0x102/0x170 [ 1894.815055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.815055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.815055][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.815055][ T10] netlink_unicast+0x449/0x710 [ 1894.815055][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.815055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.815055][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.815055][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.815055][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.815055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.815055][ T10] [ 1894.816773][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1894.817053][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1894.817053][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.817053][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.817053][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.817053][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.817053][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.817053][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.817053][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.817053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.817053][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.817053][ T10] netlink_unicast+0x449/0x710 [ 1894.817053][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.817053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.817053][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.817053][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.817053][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.817053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.817053][ T10] [ 1894.819003][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1894.819003][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.819003][ T10] ipv6_find_idev+0x102/0x170 [ 1894.819003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.819003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.819003][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.819003][ T10] netlink_unicast+0x449/0x710 [ 1894.819003][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.819003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.819003][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.819003][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.819003][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.819003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.819003][ T10] [ 1894.820537][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1894.820537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.820537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.820537][ T10] ipv6_find_idev+0x102/0x170 [ 1894.820537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.820537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.820537][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.820537][ T10] netlink_unicast+0x449/0x710 [ 1894.820537][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.820537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.820537][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.820537][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.820537][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.820537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.820537][ T10] [ 1894.822193][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1894.822450][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1894.822450][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.822450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.822450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.822450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.822450][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.822450][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.822450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.822450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.822450][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.822450][ T10] netlink_unicast+0x449/0x710 [ 1894.822450][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.822450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.822450][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.822450][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.822450][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.822450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.822450][ T10] [ 1894.824446][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1894.824446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.824446][ T10] ipv6_find_idev+0x102/0x170 [ 1894.824446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.824446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.824446][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.824446][ T10] netlink_unicast+0x449/0x710 [ 1894.824446][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.824446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.824446][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.824446][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.824446][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.824446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.824446][ T10] [ 1894.825965][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1894.825965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.825965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.825965][ T10] ipv6_find_idev+0x102/0x170 [ 1894.825965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.825965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.825965][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.825965][ T10] netlink_unicast+0x449/0x710 [ 1894.825965][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.825965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.825965][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.825965][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.825965][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.825965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.825965][ T10] [ 1894.827629][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1894.828342][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1894.828342][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.828342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.828342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.828342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.828342][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.828342][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.828342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.828342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.828342][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.828342][ T10] netlink_unicast+0x449/0x710 [ 1894.828342][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.828342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.828342][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.828342][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.828342][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.828342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.828342][ T10] [ 1894.830335][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1894.830335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.830335][ T10] ipv6_find_idev+0x102/0x170 [ 1894.830335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.830335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.830335][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.830335][ T10] netlink_unicast+0x449/0x710 [ 1894.830335][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.830335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.830335][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.830335][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.830335][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.830335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.830335][ T10] [ 1894.831865][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1894.831865][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.831865][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.831865][ T10] ipv6_find_idev+0x102/0x170 [ 1894.831865][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.831865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.831865][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.831865][ T10] netlink_unicast+0x449/0x710 [ 1894.831865][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.831865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.831865][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.831865][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.831865][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.831865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.831865][ T10] [ 1894.833579][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1894.833841][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1894.833841][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.833841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.833841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.833841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.833841][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.833841][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.833841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.833841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.833841][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.833841][ T10] netlink_unicast+0x449/0x710 [ 1894.833841][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.833841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.833841][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.833841][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.833841][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.833841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.833841][ T10] [ 1894.835856][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1894.835856][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.835856][ T10] ipv6_find_idev+0x102/0x170 [ 1894.835856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.835856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.835856][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.835856][ T10] netlink_unicast+0x449/0x710 [ 1894.835856][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.835856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.835856][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.835856][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.835856][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.835856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.835856][ T10] [ 1894.837372][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1894.837372][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.837372][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.837372][ T10] ipv6_find_idev+0x102/0x170 [ 1894.837372][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.837372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.837372][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.837372][ T10] netlink_unicast+0x449/0x710 [ 1894.837372][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.837372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.837372][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.837372][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.837372][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.837372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.837372][ T10] [ 1894.839068][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1894.839326][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1894.839326][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.839326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.839326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.839326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.839326][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.839326][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.839326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.839326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.839326][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.839326][ T10] netlink_unicast+0x449/0x710 [ 1894.839326][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.839326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.839326][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.839326][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.839326][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.839326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.839326][ T10] [ 1894.841368][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1894.841368][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.841368][ T10] ipv6_find_idev+0x102/0x170 [ 1894.841368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.841368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.841368][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.841368][ T10] netlink_unicast+0x449/0x710 [ 1894.841368][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.841368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.841368][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.841368][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.841368][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.841368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.841368][ T10] [ 1894.843065][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1894.843065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.843065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.843065][ T10] ipv6_find_idev+0x102/0x170 [ 1894.843065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.843065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.843065][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.843065][ T10] netlink_unicast+0x449/0x710 [ 1894.843065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.843065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.843065][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.843065][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.843065][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.843065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.843065][ T10] [ 1894.845095][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1894.845355][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1894.845355][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.845355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.845355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.845355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.845355][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.845355][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.845355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.845355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.845355][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.845355][ T10] netlink_unicast+0x449/0x710 [ 1894.845355][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.845355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.845355][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.845355][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.845355][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.845355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.845355][ T10] [ 1894.847501][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1894.847501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.847501][ T10] ipv6_find_idev+0x102/0x170 [ 1894.847501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.847501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.847501][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.847501][ T10] netlink_unicast+0x449/0x710 [ 1894.847501][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.847501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.847501][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.847501][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.847501][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.847501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.847501][ T10] [ 1894.849202][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1894.849202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.849202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.849202][ T10] ipv6_find_idev+0x102/0x170 [ 1894.849202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.849202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.849202][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.849202][ T10] netlink_unicast+0x449/0x710 [ 1894.849202][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.849202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.849202][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.849202][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.849202][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.849202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.849202][ T10] [ 1894.851142][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1894.851409][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1894.851409][ T10] netdev_get_by_index+0x5e/0x80 [ 1894.851409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1894.851409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1894.851409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1894.851409][ T10] ipv6_add_addr+0x411/0x2000 [ 1894.851409][ T10] inet6_addr_add+0x30e/0xa40 [ 1894.851409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1894.851409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.851409][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.851409][ T10] netlink_unicast+0x449/0x710 [ 1894.851409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.851409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.851409][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.851409][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.851409][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.851409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.851409][ T10] [ 1894.853569][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1894.853569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1894.853569][ T10] ipv6_find_idev+0x102/0x170 [ 1894.853569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.853569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.853569][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.853569][ T10] netlink_unicast+0x449/0x710 [ 1894.853569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.853569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.853569][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.853569][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.853569][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.853569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.853569][ T10] [ 1894.855415][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1894.855415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1894.855415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1894.855415][ T10] ipv6_find_idev+0x102/0x170 [ 1894.855415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1894.855415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1894.855415][ T10] netlink_rcv_skb+0x130/0x360 [ 1894.855415][ T10] netlink_unicast+0x449/0x710 [ 1894.855415][ T10] netlink_sendmsg+0x723/0xbe0 [ 1894.855415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1894.855415][ T10] ___sys_sendmsg+0xee/0x170 [ 1894.855415][ T10] __sys_sendmsg+0xcd/0x170 [ 1894.855415][ T10] do_syscall_64+0xc6/0x1e0 [ 1894.855415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1894.855415][ T10] [ 1905.099004][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1905.099484][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1905.099484][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.099484][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.099484][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.099484][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.099484][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.099484][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.099484][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.099484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.099484][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.099484][ T10] netlink_unicast+0x449/0x710 [ 1905.099484][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.099484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.099484][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.099484][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.099484][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.099484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.099484][ T10] [ 1905.101459][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1905.101459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.101459][ T10] ipv6_find_idev+0x102/0x170 [ 1905.101459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.101459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.101459][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.101459][ T10] netlink_unicast+0x449/0x710 [ 1905.101459][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.101459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.101459][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.101459][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.101459][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.101459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.101459][ T10] [ 1905.102994][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1905.102994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.102994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.102994][ T10] ipv6_find_idev+0x102/0x170 [ 1905.102994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.102994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.102994][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.102994][ T10] netlink_unicast+0x449/0x710 [ 1905.102994][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.102994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.102994][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.102994][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.102994][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.102994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.102994][ T10] [ 1905.104678][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1905.104973][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1905.104973][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.104973][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.104973][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.104973][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.104973][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.104973][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.104973][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.104973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.104973][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.104973][ T10] netlink_unicast+0x449/0x710 [ 1905.104973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.104973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.104973][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.104973][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.104973][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.104973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.104973][ T10] [ 1905.106979][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1905.106979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.106979][ T10] ipv6_find_idev+0x102/0x170 [ 1905.106979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.106979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.106979][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.106979][ T10] netlink_unicast+0x449/0x710 [ 1905.106979][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.106979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.106979][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.106979][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.106979][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.106979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.106979][ T10] [ 1905.108491][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1905.108491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.108491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.108491][ T10] ipv6_find_idev+0x102/0x170 [ 1905.108491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.108491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.108491][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.108491][ T10] netlink_unicast+0x449/0x710 [ 1905.108491][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.108491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.108491][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.108491][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.108491][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.108491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.108491][ T10] [ 1905.110150][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1905.110422][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1905.110422][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.110422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.110422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.110422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.110422][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.110422][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.110422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.110422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.110422][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.110422][ T10] netlink_unicast+0x449/0x710 [ 1905.110422][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.110422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.110422][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.110422][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.110422][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.110422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.110422][ T10] [ 1905.112379][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1905.112379][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.112379][ T10] ipv6_find_idev+0x102/0x170 [ 1905.112379][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.112379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.112379][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.112379][ T10] netlink_unicast+0x449/0x710 [ 1905.112379][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.112379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.112379][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.112379][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.112379][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.112379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.112379][ T10] [ 1905.113889][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1905.113889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.113889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.113889][ T10] ipv6_find_idev+0x102/0x170 [ 1905.113889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.113889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.113889][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.113889][ T10] netlink_unicast+0x449/0x710 [ 1905.113889][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.113889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.113889][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.113889][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.113889][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.113889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.113889][ T10] [ 1905.115555][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1905.115816][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1905.115816][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.115816][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.115816][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.115816][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.115816][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.115816][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.115816][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.115816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.115816][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.115816][ T10] netlink_unicast+0x449/0x710 [ 1905.115816][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.115816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.115816][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.115816][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.115816][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.115816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.115816][ T10] [ 1905.117786][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1905.117786][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.117786][ T10] ipv6_find_idev+0x102/0x170 [ 1905.117786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.117786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.117786][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.117786][ T10] netlink_unicast+0x449/0x710 [ 1905.117786][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.117786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.117786][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.117786][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.117786][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.117786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.117786][ T10] [ 1905.119288][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1905.119288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.119288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.119288][ T10] ipv6_find_idev+0x102/0x170 [ 1905.119288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.119288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.119288][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.119288][ T10] netlink_unicast+0x449/0x710 [ 1905.119288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.119288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.119288][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.119288][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.119288][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.119288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.119288][ T10] [ 1905.121334][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1905.121594][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1905.121594][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.121594][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.121594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.121594][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.121594][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.121594][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.121594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.121594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.121594][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.121594][ T10] netlink_unicast+0x449/0x710 [ 1905.121594][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.121594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.121594][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.121594][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.121594][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.121594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.121594][ T10] [ 1905.123540][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1905.123540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.123540][ T10] ipv6_find_idev+0x102/0x170 [ 1905.123540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.123540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.123540][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.123540][ T10] netlink_unicast+0x449/0x710 [ 1905.123540][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.123540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.123540][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.123540][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.123540][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.123540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.123540][ T10] [ 1905.125051][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1905.125051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.125051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.125051][ T10] ipv6_find_idev+0x102/0x170 [ 1905.125051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.125051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.125051][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.125051][ T10] netlink_unicast+0x449/0x710 [ 1905.125051][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.125051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.125051][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.125051][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.125051][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.125051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.125051][ T10] [ 1905.126748][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1905.127061][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1905.127061][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.127061][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.127061][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.127061][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.127061][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.127061][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.127061][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.127061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.127061][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.127061][ T10] netlink_unicast+0x449/0x710 [ 1905.127061][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.127061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.127061][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.127061][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.127061][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.127061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.127061][ T10] [ 1905.129079][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1905.129079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.129079][ T10] ipv6_find_idev+0x102/0x170 [ 1905.129079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.129079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.129079][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.129079][ T10] netlink_unicast+0x449/0x710 [ 1905.129079][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.129079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.129079][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.129079][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.129079][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.129079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.129079][ T10] [ 1905.130764][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1905.130764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.130764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.130764][ T10] ipv6_find_idev+0x102/0x170 [ 1905.130764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.130764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.130764][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.130764][ T10] netlink_unicast+0x449/0x710 [ 1905.130764][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.130764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.130764][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.130764][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.130764][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.130764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.130764][ T10] [ 1905.132755][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1905.133068][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1905.133068][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.133068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.133068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.133068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.133068][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.133068][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.133068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.133068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.133068][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.133068][ T10] netlink_unicast+0x449/0x710 [ 1905.133068][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.133068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.133068][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.133068][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.133068][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.133068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.133068][ T10] [ 1905.135207][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1905.135207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.135207][ T10] ipv6_find_idev+0x102/0x170 [ 1905.135207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.135207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.135207][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.135207][ T10] netlink_unicast+0x449/0x710 [ 1905.135207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.135207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.135207][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.135207][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.135207][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.135207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.135207][ T10] [ 1905.136893][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1905.136893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.136893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.136893][ T10] ipv6_find_idev+0x102/0x170 [ 1905.136893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.136893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.136893][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.136893][ T10] netlink_unicast+0x449/0x710 [ 1905.136893][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.136893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.136893][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.136893][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.136893][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.136893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.136893][ T10] [ 1905.138758][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1905.139070][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1905.139070][ T10] netdev_get_by_index+0x5e/0x80 [ 1905.139070][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1905.139070][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1905.139070][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1905.139070][ T10] ipv6_add_addr+0x411/0x2000 [ 1905.139070][ T10] inet6_addr_add+0x30e/0xa40 [ 1905.139070][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1905.139070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.139070][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.139070][ T10] netlink_unicast+0x449/0x710 [ 1905.139070][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.139070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.139070][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.139070][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.139070][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.139070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.139070][ T10] [ 1905.141207][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1905.141207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1905.141207][ T10] ipv6_find_idev+0x102/0x170 [ 1905.141207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.141207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.141207][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.141207][ T10] netlink_unicast+0x449/0x710 [ 1905.141207][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.141207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.141207][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.141207][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.141207][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.141207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.141207][ T10] [ 1905.143010][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1905.143010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1905.143010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1905.143010][ T10] ipv6_find_idev+0x102/0x170 [ 1905.143010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1905.143010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1905.143010][ T10] netlink_rcv_skb+0x130/0x360 [ 1905.143010][ T10] netlink_unicast+0x449/0x710 [ 1905.143010][ T10] netlink_sendmsg+0x723/0xbe0 [ 1905.143010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1905.143010][ T10] ___sys_sendmsg+0xee/0x170 [ 1905.143010][ T10] __sys_sendmsg+0xcd/0x170 [ 1905.143010][ T10] do_syscall_64+0xc6/0x1e0 [ 1905.143010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1905.143010][ T10] [ 1915.387005][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1915.387464][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1915.387464][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.387464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.387464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.387464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.387464][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.387464][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.387464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.387464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.387464][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.387464][ T10] netlink_unicast+0x449/0x710 [ 1915.387464][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.387464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.387464][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.387464][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.387464][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.387464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.387464][ T10] [ 1915.389635][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1915.389635][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.389635][ T10] ipv6_find_idev+0x102/0x170 [ 1915.389635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.389635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.389635][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.389635][ T10] netlink_unicast+0x449/0x710 [ 1915.389635][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.389635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.389635][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.389635][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.389635][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.389635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.389635][ T10] [ 1915.391790][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1915.391790][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.391790][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.391790][ T10] ipv6_find_idev+0x102/0x170 [ 1915.391790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.391790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.391790][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.391790][ T10] netlink_unicast+0x449/0x710 [ 1915.391790][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.391790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.391790][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.391790][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.391790][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.391790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.391790][ T10] [ 1915.393441][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1915.393729][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1915.393729][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.393729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.393729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.393729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.393729][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.393729][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.393729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.393729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.393729][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.393729][ T10] netlink_unicast+0x449/0x710 [ 1915.393729][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.393729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.393729][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.393729][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.393729][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.393729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.393729][ T10] [ 1915.396122][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1915.396122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.396122][ T10] ipv6_find_idev+0x102/0x170 [ 1915.396122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.396122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.396122][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.396122][ T10] netlink_unicast+0x449/0x710 [ 1915.396122][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.396122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.396122][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.396122][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.396122][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.396122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.396122][ T10] [ 1915.397833][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1915.397833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.397833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.397833][ T10] ipv6_find_idev+0x102/0x170 [ 1915.397833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.397833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.397833][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.397833][ T10] netlink_unicast+0x449/0x710 [ 1915.397833][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.397833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.397833][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.397833][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.397833][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.397833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.397833][ T10] [ 1915.400146][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1915.400554][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1915.400554][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.400554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.400554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.400554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.400554][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.400554][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.400554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.400554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.400554][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.400554][ T10] netlink_unicast+0x449/0x710 [ 1915.400554][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.400554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.400554][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.400554][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.400554][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.400554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.400554][ T10] [ 1915.403410][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1915.403410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.403410][ T10] ipv6_find_idev+0x102/0x170 [ 1915.403410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.403410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.403410][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.403410][ T10] netlink_unicast+0x449/0x710 [ 1915.403410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.403410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.403410][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.403410][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.403410][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.403410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.403410][ T10] [ 1915.405768][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1915.405768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.405768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.405768][ T10] ipv6_find_idev+0x102/0x170 [ 1915.405768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.405768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.405768][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.405768][ T10] netlink_unicast+0x449/0x710 [ 1915.405768][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.405768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.405768][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.405768][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.405768][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.405768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.405768][ T10] [ 1915.408300][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1915.408721][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1915.408721][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.408721][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.408721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.408721][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.408721][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.408721][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.408721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.408721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.408721][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.408721][ T10] netlink_unicast+0x449/0x710 [ 1915.408721][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.408721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.408721][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.408721][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.408721][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.408721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.408721][ T10] [ 1915.411765][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1915.411765][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.411765][ T10] ipv6_find_idev+0x102/0x170 [ 1915.411765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.411765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.411765][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.411765][ T10] netlink_unicast+0x449/0x710 [ 1915.411765][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.411765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.411765][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.411765][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.411765][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.411765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.411765][ T10] [ 1915.414065][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1915.414065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.414065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.414065][ T10] ipv6_find_idev+0x102/0x170 [ 1915.414065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.414065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.414065][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.414065][ T10] netlink_unicast+0x449/0x710 [ 1915.414065][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.414065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.414065][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.414065][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.414065][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.414065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.414065][ T10] [ 1915.417286][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1915.417679][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1915.417679][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.417679][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.417679][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.417679][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.417679][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.417679][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.417679][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.417679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.417679][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.417679][ T10] netlink_unicast+0x449/0x710 [ 1915.417679][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.417679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.417679][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.417679][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.417679][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.417679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.417679][ T10] [ 1915.420738][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1915.420738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.420738][ T10] ipv6_find_idev+0x102/0x170 [ 1915.420738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.420738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.420738][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.420738][ T10] netlink_unicast+0x449/0x710 [ 1915.420738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.420738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.420738][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.420738][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.420738][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.420738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.420738][ T10] [ 1915.423109][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1915.423109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.423109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.423109][ T10] ipv6_find_idev+0x102/0x170 [ 1915.423109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.423109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.423109][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.423109][ T10] netlink_unicast+0x449/0x710 [ 1915.423109][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.423109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.423109][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.423109][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.423109][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.423109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.423109][ T10] [ 1915.425660][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1915.426019][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1915.426019][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.426019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.426019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.426019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.426019][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.426019][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.426019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.426019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.426019][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.426019][ T10] netlink_unicast+0x449/0x710 [ 1915.426019][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.426019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.426019][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.426019][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.426019][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.426019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.426019][ T10] [ 1915.428932][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1915.428932][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.428932][ T10] ipv6_find_idev+0x102/0x170 [ 1915.428932][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.428932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.428932][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.428932][ T10] netlink_unicast+0x449/0x710 [ 1915.428932][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.428932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.428932][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.428932][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.428932][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.428932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.428932][ T10] [ 1915.431664][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1915.431664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.431664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.431664][ T10] ipv6_find_idev+0x102/0x170 [ 1915.431664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.431664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.431664][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.431664][ T10] netlink_unicast+0x449/0x710 [ 1915.431664][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.431664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.431664][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.431664][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.431664][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.431664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.431664][ T10] [ 1915.434671][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1915.435167][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1915.435167][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.435167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.435167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.435167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.435167][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.435167][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.435167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.435167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.435167][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.435167][ T10] netlink_unicast+0x449/0x710 [ 1915.435167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.435167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.435167][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.435167][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.435167][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.435167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.435167][ T10] [ 1915.438411][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1915.438411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.438411][ T10] ipv6_find_idev+0x102/0x170 [ 1915.438411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.438411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.438411][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.438411][ T10] netlink_unicast+0x449/0x710 [ 1915.438411][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.438411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.438411][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.438411][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.438411][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.438411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.438411][ T10] [ 1915.441092][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1915.441092][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.441092][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.441092][ T10] ipv6_find_idev+0x102/0x170 [ 1915.441092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.441092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.441092][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.441092][ T10] netlink_unicast+0x449/0x710 [ 1915.441092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.441092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.441092][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.441092][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.441092][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.441092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.441092][ T10] [ 1915.444067][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1915.444470][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1915.444470][ T10] netdev_get_by_index+0x5e/0x80 [ 1915.444470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1915.444470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1915.444470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1915.444470][ T10] ipv6_add_addr+0x411/0x2000 [ 1915.444470][ T10] inet6_addr_add+0x30e/0xa40 [ 1915.444470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1915.444470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.444470][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.444470][ T10] netlink_unicast+0x449/0x710 [ 1915.444470][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.444470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.444470][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.444470][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.444470][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.444470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.444470][ T10] [ 1915.448097][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1915.448097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1915.448097][ T10] ipv6_find_idev+0x102/0x170 [ 1915.448097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.448097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.448097][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.448097][ T10] netlink_unicast+0x449/0x710 [ 1915.448097][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.448097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.448097][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.448097][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.448097][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.448097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.448097][ T10] [ 1915.451040][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1915.451040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1915.451040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1915.451040][ T10] ipv6_find_idev+0x102/0x170 [ 1915.451040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1915.451040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1915.451040][ T10] netlink_rcv_skb+0x130/0x360 [ 1915.451040][ T10] netlink_unicast+0x449/0x710 [ 1915.451040][ T10] netlink_sendmsg+0x723/0xbe0 [ 1915.451040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1915.451040][ T10] ___sys_sendmsg+0xee/0x170 [ 1915.451040][ T10] __sys_sendmsg+0xcd/0x170 [ 1915.451040][ T10] do_syscall_64+0xc6/0x1e0 [ 1915.451040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1915.451040][ T10] [ 1925.458939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1925.459357][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1925.459357][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.459357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.459357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.459357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.459357][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.459357][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.459357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.459357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.459357][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.459357][ T10] netlink_unicast+0x449/0x710 [ 1925.459357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.459357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.459357][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.459357][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.459357][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.459357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.459357][ T10] [ 1925.461339][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1925.461339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.461339][ T10] ipv6_find_idev+0x102/0x170 [ 1925.461339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.461339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.461339][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.461339][ T10] netlink_unicast+0x449/0x710 [ 1925.461339][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.461339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.461339][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.461339][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.461339][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.461339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.461339][ T10] [ 1925.462868][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1925.462868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.462868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.462868][ T10] ipv6_find_idev+0x102/0x170 [ 1925.462868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.462868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.462868][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.462868][ T10] netlink_unicast+0x449/0x710 [ 1925.462868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.462868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.462868][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.462868][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.462868][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.462868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.462868][ T10] [ 1925.464541][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1925.464811][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1925.464811][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.464811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.464811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.464811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.464811][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.464811][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.464811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.464811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.464811][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.464811][ T10] netlink_unicast+0x449/0x710 [ 1925.464811][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.464811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.464811][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.464811][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.464811][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.464811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.464811][ T10] [ 1925.466896][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1925.466896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.466896][ T10] ipv6_find_idev+0x102/0x170 [ 1925.466896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.466896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.466896][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.466896][ T10] netlink_unicast+0x449/0x710 [ 1925.466896][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.466896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.466896][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.466896][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.466896][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.466896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.466896][ T10] [ 1925.468407][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1925.468407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.468407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.468407][ T10] ipv6_find_idev+0x102/0x170 [ 1925.468407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.468407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.468407][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.468407][ T10] netlink_unicast+0x449/0x710 [ 1925.468407][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.468407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.468407][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.468407][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.468407][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.468407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.468407][ T10] [ 1925.470079][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1925.470340][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1925.470340][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.470340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.470340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.470340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.470340][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.470340][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.470340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.470340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.470340][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.470340][ T10] netlink_unicast+0x449/0x710 [ 1925.470340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.470340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.470340][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.470340][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.470340][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.470340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.470340][ T10] [ 1925.472688][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1925.472688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.472688][ T10] ipv6_find_idev+0x102/0x170 [ 1925.472688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.472688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.472688][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.472688][ T10] netlink_unicast+0x449/0x710 [ 1925.472688][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.472688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.472688][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.472688][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.472688][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.472688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.472688][ T10] [ 1925.474221][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1925.474221][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.474221][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.474221][ T10] ipv6_find_idev+0x102/0x170 [ 1925.474221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.474221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.474221][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.474221][ T10] netlink_unicast+0x449/0x710 [ 1925.474221][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.474221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.474221][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.474221][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.474221][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.474221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.474221][ T10] [ 1925.475898][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1925.476166][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1925.476166][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.476166][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.476166][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.476166][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.476166][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.476166][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.476166][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.476166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.476166][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.476166][ T10] netlink_unicast+0x449/0x710 [ 1925.476166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.476166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.476166][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.476166][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.476166][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.476166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.476166][ T10] [ 1925.478124][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1925.478124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.478124][ T10] ipv6_find_idev+0x102/0x170 [ 1925.478124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.478124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.478124][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.478124][ T10] netlink_unicast+0x449/0x710 [ 1925.478124][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.478124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.478124][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.478124][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.478124][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.478124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.478124][ T10] [ 1925.479648][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1925.479648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.479648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.479648][ T10] ipv6_find_idev+0x102/0x170 [ 1925.479648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.479648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.479648][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.479648][ T10] netlink_unicast+0x449/0x710 [ 1925.479648][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.479648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.479648][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.479648][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.479648][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.479648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.479648][ T10] [ 1925.481707][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1925.482310][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1925.482310][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.482310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.482310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.482310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.482310][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.482310][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.482310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.482310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.482310][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.482310][ T10] netlink_unicast+0x449/0x710 [ 1925.482310][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.482310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.482310][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.482310][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.482310][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.482310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.482310][ T10] [ 1925.484288][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1925.484288][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.484288][ T10] ipv6_find_idev+0x102/0x170 [ 1925.484288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.484288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.484288][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.484288][ T10] netlink_unicast+0x449/0x710 [ 1925.484288][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.484288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.484288][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.484288][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.484288][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.484288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.484288][ T10] [ 1925.485791][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1925.485791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.485791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.485791][ T10] ipv6_find_idev+0x102/0x170 [ 1925.485791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.485791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.485791][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.485791][ T10] netlink_unicast+0x449/0x710 [ 1925.485791][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.485791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.485791][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.485791][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.485791][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.485791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.485791][ T10] [ 1925.487443][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1925.487709][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1925.487709][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.487709][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.487709][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.487709][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.487709][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.487709][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.487709][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.487709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.487709][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.487709][ T10] netlink_unicast+0x449/0x710 [ 1925.487709][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.487709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.487709][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.487709][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.487709][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.487709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.487709][ T10] [ 1925.489696][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1925.489696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.489696][ T10] ipv6_find_idev+0x102/0x170 [ 1925.489696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.489696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.489696][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.489696][ T10] netlink_unicast+0x449/0x710 [ 1925.489696][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.489696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.489696][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.489696][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.489696][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.489696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.489696][ T10] [ 1925.491278][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1925.491278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.491278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.491278][ T10] ipv6_find_idev+0x102/0x170 [ 1925.491278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.491278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.491278][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.491278][ T10] netlink_unicast+0x449/0x710 [ 1925.491278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.491278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.491278][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.491278][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.491278][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.491278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.491278][ T10] [ 1925.493165][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1925.493426][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1925.493426][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.493426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.493426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.493426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.493426][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.493426][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.493426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.493426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.493426][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.493426][ T10] netlink_unicast+0x449/0x710 [ 1925.493426][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.493426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.493426][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.493426][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.493426][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.493426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.493426][ T10] [ 1925.495734][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1925.495734][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.495734][ T10] ipv6_find_idev+0x102/0x170 [ 1925.495734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.495734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.495734][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.495734][ T10] netlink_unicast+0x449/0x710 [ 1925.495734][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.495734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.495734][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.495734][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.495734][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.495734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.495734][ T10] [ 1925.497424][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1925.497424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.497424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.497424][ T10] ipv6_find_idev+0x102/0x170 [ 1925.497424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.497424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.497424][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.497424][ T10] netlink_unicast+0x449/0x710 [ 1925.497424][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.497424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.497424][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.497424][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.497424][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.497424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.497424][ T10] [ 1925.499306][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1925.499568][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1925.499568][ T10] netdev_get_by_index+0x5e/0x80 [ 1925.499568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1925.499568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1925.499568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1925.499568][ T10] ipv6_add_addr+0x411/0x2000 [ 1925.499568][ T10] inet6_addr_add+0x30e/0xa40 [ 1925.499568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1925.499568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.499568][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.499568][ T10] netlink_unicast+0x449/0x710 [ 1925.499568][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.499568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.499568][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.499568][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.499568][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.499568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.499568][ T10] [ 1925.501794][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1925.501794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1925.501794][ T10] ipv6_find_idev+0x102/0x170 [ 1925.501794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.501794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.501794][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.501794][ T10] netlink_unicast+0x449/0x710 [ 1925.501794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.501794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.501794][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.501794][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.501794][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.501794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.501794][ T10] [ 1925.503485][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1925.503485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1925.503485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1925.503485][ T10] ipv6_find_idev+0x102/0x170 [ 1925.503485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1925.503485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1925.503485][ T10] netlink_rcv_skb+0x130/0x360 [ 1925.503485][ T10] netlink_unicast+0x449/0x710 [ 1925.503485][ T10] netlink_sendmsg+0x723/0xbe0 [ 1925.503485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1925.503485][ T10] ___sys_sendmsg+0xee/0x170 [ 1925.503485][ T10] __sys_sendmsg+0xcd/0x170 [ 1925.503485][ T10] do_syscall_64+0xc6/0x1e0 [ 1925.503485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1925.503485][ T10] [ 1935.691037][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1935.691521][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1935.691521][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.691521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.691521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.691521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.691521][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.691521][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.691521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.691521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.691521][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.691521][ T10] netlink_unicast+0x449/0x710 [ 1935.691521][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.691521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.691521][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.691521][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.691521][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.691521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.691521][ T10] [ 1935.693616][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1935.693616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.693616][ T10] ipv6_find_idev+0x102/0x170 [ 1935.693616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.693616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.693616][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.693616][ T10] netlink_unicast+0x449/0x710 [ 1935.693616][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.693616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.693616][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.693616][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.693616][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.693616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.693616][ T10] [ 1935.695135][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1935.695135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.695135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.695135][ T10] ipv6_find_idev+0x102/0x170 [ 1935.695135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.695135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.695135][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.695135][ T10] netlink_unicast+0x449/0x710 [ 1935.695135][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.695135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.695135][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.695135][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.695135][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.695135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.695135][ T10] [ 1935.696804][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1935.697088][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1935.697088][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.697088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.697088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.697088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.697088][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.697088][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.697088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.697088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.697088][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.697088][ T10] netlink_unicast+0x449/0x710 [ 1935.697088][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.697088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.697088][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.697088][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.697088][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.697088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.697088][ T10] [ 1935.699046][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1935.699046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.699046][ T10] ipv6_find_idev+0x102/0x170 [ 1935.699046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.699046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.699046][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.699046][ T10] netlink_unicast+0x449/0x710 [ 1935.699046][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.699046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.699046][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.699046][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.699046][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.699046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.699046][ T10] [ 1935.700559][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1935.700559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.700559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.700559][ T10] ipv6_find_idev+0x102/0x170 [ 1935.700559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.700559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.700559][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.700559][ T10] netlink_unicast+0x449/0x710 [ 1935.700559][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.700559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.700559][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.700559][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.700559][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.700559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.700559][ T10] [ 1935.702251][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1935.702534][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1935.702534][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.702534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.702534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.702534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.702534][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.702534][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.702534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.702534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.702534][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.702534][ T10] netlink_unicast+0x449/0x710 [ 1935.702534][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.702534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.702534][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.702534][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.702534][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.702534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.702534][ T10] [ 1935.704517][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1935.704517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.704517][ T10] ipv6_find_idev+0x102/0x170 [ 1935.704517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.704517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.704517][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.704517][ T10] netlink_unicast+0x449/0x710 [ 1935.704517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.704517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.704517][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.704517][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.704517][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.704517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.704517][ T10] [ 1935.706024][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1935.706024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.706024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.706024][ T10] ipv6_find_idev+0x102/0x170 [ 1935.706024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.706024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.706024][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.706024][ T10] netlink_unicast+0x449/0x710 [ 1935.706024][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.706024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.706024][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.706024][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.706024][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.706024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.706024][ T10] [ 1935.707677][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1935.708382][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1935.708382][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.708382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.708382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.708382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.708382][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.708382][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.708382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.708382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.708382][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.708382][ T10] netlink_unicast+0x449/0x710 [ 1935.708382][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.708382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.708382][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.708382][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.708382][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.708382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.708382][ T10] [ 1935.710323][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1935.710323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.710323][ T10] ipv6_find_idev+0x102/0x170 [ 1935.710323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.710323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.710323][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.710323][ T10] netlink_unicast+0x449/0x710 [ 1935.710323][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.710323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.710323][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.710323][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.710323][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.710323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.710323][ T10] [ 1935.711824][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1935.711824][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.711824][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.711824][ T10] ipv6_find_idev+0x102/0x170 [ 1935.711824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.711824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.711824][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.711824][ T10] netlink_unicast+0x449/0x710 [ 1935.711824][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.711824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.711824][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.711824][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.711824][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.711824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.711824][ T10] [ 1935.713511][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1935.713773][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1935.713773][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.713773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.713773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.713773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.713773][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.713773][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.713773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.713773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.713773][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.713773][ T10] netlink_unicast+0x449/0x710 [ 1935.713773][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.713773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.713773][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.713773][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.713773][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.713773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.713773][ T10] [ 1935.715755][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1935.715755][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.715755][ T10] ipv6_find_idev+0x102/0x170 [ 1935.715755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.715755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.715755][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.715755][ T10] netlink_unicast+0x449/0x710 [ 1935.715755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.715755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.715755][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.715755][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.715755][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.715755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.715755][ T10] [ 1935.717262][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1935.717262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.717262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.717262][ T10] ipv6_find_idev+0x102/0x170 [ 1935.717262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.717262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.717262][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.717262][ T10] netlink_unicast+0x449/0x710 [ 1935.717262][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.717262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.717262][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.717262][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.717262][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.717262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.717262][ T10] [ 1935.718956][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1935.719214][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1935.719214][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.719214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.719214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.719214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.719214][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.719214][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.719214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.719214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.719214][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.719214][ T10] netlink_unicast+0x449/0x710 [ 1935.719214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.719214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.719214][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.719214][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.719214][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.719214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.719214][ T10] [ 1935.721289][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1935.721289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.721289][ T10] ipv6_find_idev+0x102/0x170 [ 1935.721289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.721289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.721289][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.721289][ T10] netlink_unicast+0x449/0x710 [ 1935.721289][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.721289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.721289][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.721289][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.721289][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.721289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.721289][ T10] [ 1935.722978][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1935.722978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.722978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.722978][ T10] ipv6_find_idev+0x102/0x170 [ 1935.722978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.722978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.722978][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.722978][ T10] netlink_unicast+0x449/0x710 [ 1935.722978][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.722978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.722978][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.722978][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.722978][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.722978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.722978][ T10] [ 1935.725001][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1935.725259][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1935.725259][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.725259][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.725259][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.725259][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.725259][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.725259][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.725259][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.725259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.725259][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.725259][ T10] netlink_unicast+0x449/0x710 [ 1935.725259][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.725259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.725259][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.725259][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.725259][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.725259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.725259][ T10] [ 1935.727418][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1935.727418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.727418][ T10] ipv6_find_idev+0x102/0x170 [ 1935.727418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.727418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.727418][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.727418][ T10] netlink_unicast+0x449/0x710 [ 1935.727418][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.727418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.727418][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.727418][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.727418][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.727418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.727418][ T10] [ 1935.729123][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1935.729123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.729123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.729123][ T10] ipv6_find_idev+0x102/0x170 [ 1935.729123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.729123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.729123][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.729123][ T10] netlink_unicast+0x449/0x710 [ 1935.729123][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.729123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.729123][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.729123][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.729123][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.729123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.729123][ T10] [ 1935.731117][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1935.731388][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1935.731388][ T10] netdev_get_by_index+0x5e/0x80 [ 1935.731388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1935.731388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1935.731388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1935.731388][ T10] ipv6_add_addr+0x411/0x2000 [ 1935.731388][ T10] inet6_addr_add+0x30e/0xa40 [ 1935.731388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1935.731388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.731388][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.731388][ T10] netlink_unicast+0x449/0x710 [ 1935.731388][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.731388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.731388][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.731388][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.731388][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.731388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.731388][ T10] [ 1935.733581][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1935.733581][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1935.733581][ T10] ipv6_find_idev+0x102/0x170 [ 1935.733581][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.733581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.733581][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.733581][ T10] netlink_unicast+0x449/0x710 [ 1935.733581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.733581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.733581][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.733581][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.733581][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.733581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.733581][ T10] [ 1935.735272][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1935.735272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1935.735272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1935.735272][ T10] ipv6_find_idev+0x102/0x170 [ 1935.735272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1935.735272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1935.735272][ T10] netlink_rcv_skb+0x130/0x360 [ 1935.735272][ T10] netlink_unicast+0x449/0x710 [ 1935.735272][ T10] netlink_sendmsg+0x723/0xbe0 [ 1935.735272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1935.735272][ T10] ___sys_sendmsg+0xee/0x170 [ 1935.735272][ T10] __sys_sendmsg+0xcd/0x170 [ 1935.735272][ T10] do_syscall_64+0xc6/0x1e0 [ 1935.735272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1935.735272][ T10] [ 1945.843070][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1945.843579][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1945.843579][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.843579][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.843579][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.843579][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.843579][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.843579][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.843579][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.843579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.843579][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.843579][ T10] netlink_unicast+0x449/0x710 [ 1945.843579][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.843579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.843579][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.843579][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.843579][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.843579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.843579][ T10] [ 1945.845611][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1945.845611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.845611][ T10] ipv6_find_idev+0x102/0x170 [ 1945.845611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.845611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.845611][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.845611][ T10] netlink_unicast+0x449/0x710 [ 1945.845611][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.845611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.845611][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.845611][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.845611][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.845611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.845611][ T10] [ 1945.847174][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1945.847174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.847174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.847174][ T10] ipv6_find_idev+0x102/0x170 [ 1945.847174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.847174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.847174][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.847174][ T10] netlink_unicast+0x449/0x710 [ 1945.847174][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.847174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.847174][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.847174][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.847174][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.847174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.847174][ T10] [ 1945.848883][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1945.849167][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1945.849167][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.849167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.849167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.849167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.849167][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.849167][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.849167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.849167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.849167][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.849167][ T10] netlink_unicast+0x449/0x710 [ 1945.849167][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.849167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.849167][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.849167][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.849167][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.849167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.849167][ T10] [ 1945.851160][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1945.851160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.851160][ T10] ipv6_find_idev+0x102/0x170 [ 1945.851160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.851160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.851160][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.851160][ T10] netlink_unicast+0x449/0x710 [ 1945.851160][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.851160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.851160][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.851160][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.851160][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.851160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.851160][ T10] [ 1945.852690][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1945.852690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.852690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.852690][ T10] ipv6_find_idev+0x102/0x170 [ 1945.852690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.852690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.852690][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.852690][ T10] netlink_unicast+0x449/0x710 [ 1945.852690][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.852690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.852690][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.852690][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.852690][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.852690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.852690][ T10] [ 1945.854374][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1945.854641][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1945.854641][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.854641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.854641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.854641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.854641][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.854641][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.854641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.854641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.854641][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.854641][ T10] netlink_unicast+0x449/0x710 [ 1945.854641][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.854641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.854641][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.854641][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.854641][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.854641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.854641][ T10] [ 1945.856627][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1945.856627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.856627][ T10] ipv6_find_idev+0x102/0x170 [ 1945.856627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.856627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.856627][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.856627][ T10] netlink_unicast+0x449/0x710 [ 1945.856627][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.856627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.856627][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.856627][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.856627][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.856627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.856627][ T10] [ 1945.858151][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1945.858151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.858151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.858151][ T10] ipv6_find_idev+0x102/0x170 [ 1945.858151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.858151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.858151][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.858151][ T10] netlink_unicast+0x449/0x710 [ 1945.858151][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.858151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.858151][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.858151][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.858151][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.858151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.858151][ T10] [ 1945.859824][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1945.860530][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1945.860530][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.860530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.860530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.860530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.860530][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.860530][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.860530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.860530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.860530][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.860530][ T10] netlink_unicast+0x449/0x710 [ 1945.860530][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.860530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.860530][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.860530][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.860530][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.860530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.860530][ T10] [ 1945.862522][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1945.862522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.862522][ T10] ipv6_find_idev+0x102/0x170 [ 1945.862522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.862522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.862522][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.862522][ T10] netlink_unicast+0x449/0x710 [ 1945.862522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.862522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.862522][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.862522][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.862522][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.862522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.862522][ T10] [ 1945.864048][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1945.864048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.864048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.864048][ T10] ipv6_find_idev+0x102/0x170 [ 1945.864048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.864048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.864048][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.864048][ T10] netlink_unicast+0x449/0x710 [ 1945.864048][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.864048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.864048][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.864048][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.864048][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.864048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.864048][ T10] [ 1945.865778][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1945.866104][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1945.866104][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.866104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.866104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.866104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.866104][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.866104][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.866104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.866104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.866104][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.866104][ T10] netlink_unicast+0x449/0x710 [ 1945.866104][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.866104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.866104][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.866104][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.866104][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.866104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.866104][ T10] [ 1945.868084][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1945.868084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.868084][ T10] ipv6_find_idev+0x102/0x170 [ 1945.868084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.868084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.868084][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.868084][ T10] netlink_unicast+0x449/0x710 [ 1945.868084][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.868084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.868084][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.868084][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.868084][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.868084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.868084][ T10] [ 1945.869629][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1945.869629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.869629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.869629][ T10] ipv6_find_idev+0x102/0x170 [ 1945.869629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.869629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.869629][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.869629][ T10] netlink_unicast+0x449/0x710 [ 1945.869629][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.869629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.869629][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.869629][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.869629][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.869629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.869629][ T10] [ 1945.871354][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1945.871668][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1945.871668][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.871668][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.871668][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.871668][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.871668][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.871668][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.871668][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.871668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.871668][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.871668][ T10] netlink_unicast+0x449/0x710 [ 1945.871668][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.871668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.871668][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.871668][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.871668][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.871668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.871668][ T10] [ 1945.873646][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1945.873646][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.873646][ T10] ipv6_find_idev+0x102/0x170 [ 1945.873646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.873646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.873646][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.873646][ T10] netlink_unicast+0x449/0x710 [ 1945.873646][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.873646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.873646][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.873646][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.873646][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.873646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.873646][ T10] [ 1945.875361][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1945.875361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.875361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.875361][ T10] ipv6_find_idev+0x102/0x170 [ 1945.875361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.875361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.875361][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.875361][ T10] netlink_unicast+0x449/0x710 [ 1945.875361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.875361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.875361][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.875361][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.875361][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.875361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.875361][ T10] [ 1945.877347][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1945.877652][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1945.877652][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.877652][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.877652][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.877652][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.877652][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.877652][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.877652][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.877652][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.877652][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.877652][ T10] netlink_unicast+0x449/0x710 [ 1945.877652][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.877652][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.877652][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.877652][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.877652][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.877652][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.877652][ T10] [ 1945.879800][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1945.879800][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.879800][ T10] ipv6_find_idev+0x102/0x170 [ 1945.879800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.879800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.879800][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.879800][ T10] netlink_unicast+0x449/0x710 [ 1945.879800][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.879800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.879800][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.879800][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.879800][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.879800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.879800][ T10] [ 1945.881504][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1945.881504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.881504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.881504][ T10] ipv6_find_idev+0x102/0x170 [ 1945.881504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.881504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.881504][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.881504][ T10] netlink_unicast+0x449/0x710 [ 1945.881504][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.881504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.881504][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.881504][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.881504][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.881504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.881504][ T10] [ 1945.883449][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1945.883755][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1945.883755][ T10] netdev_get_by_index+0x5e/0x80 [ 1945.883755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1945.883755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1945.883755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1945.883755][ T10] ipv6_add_addr+0x411/0x2000 [ 1945.883755][ T10] inet6_addr_add+0x30e/0xa40 [ 1945.883755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1945.883755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.883755][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.883755][ T10] netlink_unicast+0x449/0x710 [ 1945.883755][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.883755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.883755][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.883755][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.883755][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.883755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.883755][ T10] [ 1945.885914][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1945.885914][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1945.885914][ T10] ipv6_find_idev+0x102/0x170 [ 1945.885914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.885914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.885914][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.885914][ T10] netlink_unicast+0x449/0x710 [ 1945.885914][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.885914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.885914][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.885914][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.885914][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.885914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.885914][ T10] [ 1945.887680][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1945.887680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1945.887680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1945.887680][ T10] ipv6_find_idev+0x102/0x170 [ 1945.887680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1945.887680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1945.887680][ T10] netlink_rcv_skb+0x130/0x360 [ 1945.887680][ T10] netlink_unicast+0x449/0x710 [ 1945.887680][ T10] netlink_sendmsg+0x723/0xbe0 [ 1945.887680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1945.887680][ T10] ___sys_sendmsg+0xee/0x170 [ 1945.887680][ T10] __sys_sendmsg+0xcd/0x170 [ 1945.887680][ T10] do_syscall_64+0xc6/0x1e0 [ 1945.887680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1945.887680][ T10] [ 1956.139039][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1956.139450][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1956.139450][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.139450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.139450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.139450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.139450][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.139450][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.139450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.139450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.139450][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.139450][ T10] netlink_unicast+0x449/0x710 [ 1956.139450][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.139450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.139450][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.139450][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.139450][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.139450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.139450][ T10] [ 1956.141462][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1956.141462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.141462][ T10] ipv6_find_idev+0x102/0x170 [ 1956.141462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.141462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.141462][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.141462][ T10] netlink_unicast+0x449/0x710 [ 1956.141462][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.141462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.141462][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.141462][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.141462][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.141462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.141462][ T10] [ 1956.142973][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1956.142973][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.142973][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.142973][ T10] ipv6_find_idev+0x102/0x170 [ 1956.142973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.142973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.142973][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.142973][ T10] netlink_unicast+0x449/0x710 [ 1956.142973][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.142973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.142973][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.142973][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.142973][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.142973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.142973][ T10] [ 1956.144652][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1956.144940][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1956.144940][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.144940][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.144940][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.144940][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.144940][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.144940][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.144940][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.144940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.144940][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.144940][ T10] netlink_unicast+0x449/0x710 [ 1956.144940][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.144940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.144940][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.144940][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.144940][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.144940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.144940][ T10] [ 1956.146891][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1956.146891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.146891][ T10] ipv6_find_idev+0x102/0x170 [ 1956.146891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.146891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.146891][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.146891][ T10] netlink_unicast+0x449/0x710 [ 1956.146891][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.146891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.146891][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.146891][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.146891][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.146891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.146891][ T10] [ 1956.148401][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1956.148401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.148401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.148401][ T10] ipv6_find_idev+0x102/0x170 [ 1956.148401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.148401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.148401][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.148401][ T10] netlink_unicast+0x449/0x710 [ 1956.148401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.148401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.148401][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.148401][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.148401][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.148401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.148401][ T10] [ 1956.150047][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1956.150311][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1956.150311][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.150311][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.150311][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.150311][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.150311][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.150311][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.150311][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.150311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.150311][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.150311][ T10] netlink_unicast+0x449/0x710 [ 1956.150311][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.150311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.150311][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.150311][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.150311][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.150311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.150311][ T10] [ 1956.152267][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1956.152267][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.152267][ T10] ipv6_find_idev+0x102/0x170 [ 1956.152267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.152267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.152267][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.152267][ T10] netlink_unicast+0x449/0x710 [ 1956.152267][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.152267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.152267][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.152267][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.152267][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.152267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.152267][ T10] [ 1956.153778][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1956.153778][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.153778][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.153778][ T10] ipv6_find_idev+0x102/0x170 [ 1956.153778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.153778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.153778][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.153778][ T10] netlink_unicast+0x449/0x710 [ 1956.153778][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.153778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.153778][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.153778][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.153778][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.153778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.153778][ T10] [ 1956.155429][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1956.155685][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1956.155685][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.155685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.155685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.155685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.155685][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.155685][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.155685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.155685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.155685][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.155685][ T10] netlink_unicast+0x449/0x710 [ 1956.155685][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.155685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.155685][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.155685][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.155685][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.155685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.155685][ T10] [ 1956.157637][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1956.157637][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.157637][ T10] ipv6_find_idev+0x102/0x170 [ 1956.157637][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.157637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.157637][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.157637][ T10] netlink_unicast+0x449/0x710 [ 1956.157637][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.157637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.157637][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.157637][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.157637][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.157637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.157637][ T10] [ 1956.159138][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1956.159138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.159138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.159138][ T10] ipv6_find_idev+0x102/0x170 [ 1956.159138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.159138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.159138][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.159138][ T10] netlink_unicast+0x449/0x710 [ 1956.159138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.159138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.159138][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.159138][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.159138][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.159138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.159138][ T10] [ 1956.161214][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1956.161474][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1956.161474][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.161474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.161474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.161474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.161474][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.161474][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.161474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.161474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.161474][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.161474][ T10] netlink_unicast+0x449/0x710 [ 1956.161474][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.161474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.161474][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.161474][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.161474][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.161474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.161474][ T10] [ 1956.163419][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1956.163419][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.163419][ T10] ipv6_find_idev+0x102/0x170 [ 1956.163419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.163419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.163419][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.163419][ T10] netlink_unicast+0x449/0x710 [ 1956.163419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.163419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.163419][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.163419][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.163419][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.163419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.163419][ T10] [ 1956.164938][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1956.164938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.164938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.164938][ T10] ipv6_find_idev+0x102/0x170 [ 1956.164938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.164938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.164938][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.164938][ T10] netlink_unicast+0x449/0x710 [ 1956.164938][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.164938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.164938][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.164938][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.164938][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.164938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.164938][ T10] [ 1956.166660][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1956.166976][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1956.166976][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.166976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.166976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.166976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.166976][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.166976][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.166976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.166976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.166976][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.166976][ T10] netlink_unicast+0x449/0x710 [ 1956.166976][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.166976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.166976][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.166976][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.166976][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.166976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.166976][ T10] [ 1956.169058][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1956.169058][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.169058][ T10] ipv6_find_idev+0x102/0x170 [ 1956.169058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.169058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.169058][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.169058][ T10] netlink_unicast+0x449/0x710 [ 1956.169058][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.169058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.169058][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.169058][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.169058][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.169058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.169058][ T10] [ 1956.171374][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1956.171374][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.171374][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.171374][ T10] ipv6_find_idev+0x102/0x170 [ 1956.171374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.171374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.171374][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.171374][ T10] netlink_unicast+0x449/0x710 [ 1956.171374][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.171374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.171374][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.171374][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.171374][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.171374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.171374][ T10] [ 1956.173316][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1956.173581][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1956.173581][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.173581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.173581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.173581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.173581][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.173581][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.173581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.173581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.173581][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.173581][ T10] netlink_unicast+0x449/0x710 [ 1956.173581][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.173581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.173581][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.173581][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.173581][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.173581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.173581][ T10] [ 1956.175784][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1956.175784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.175784][ T10] ipv6_find_idev+0x102/0x170 [ 1956.175784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.175784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.175784][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.175784][ T10] netlink_unicast+0x449/0x710 [ 1956.175784][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.175784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.175784][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.175784][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.175784][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.175784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.175784][ T10] [ 1956.177409][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1956.177409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.177409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.177409][ T10] ipv6_find_idev+0x102/0x170 [ 1956.177409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.177409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.177409][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.177409][ T10] netlink_unicast+0x449/0x710 [ 1956.177409][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.177409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.177409][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.177409][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.177409][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.177409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.177409][ T10] [ 1956.179344][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1956.179605][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1956.179605][ T10] netdev_get_by_index+0x5e/0x80 [ 1956.179605][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1956.179605][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1956.179605][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1956.179605][ T10] ipv6_add_addr+0x411/0x2000 [ 1956.179605][ T10] inet6_addr_add+0x30e/0xa40 [ 1956.179605][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1956.179605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.179605][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.179605][ T10] netlink_unicast+0x449/0x710 [ 1956.179605][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.179605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.179605][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.179605][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.179605][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.179605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.179605][ T10] [ 1956.181738][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1956.181738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1956.181738][ T10] ipv6_find_idev+0x102/0x170 [ 1956.181738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.181738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.181738][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.181738][ T10] netlink_unicast+0x449/0x710 [ 1956.181738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.181738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.181738][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.181738][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.181738][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.181738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.181738][ T10] [ 1956.183483][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1956.183483][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1956.183483][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1956.183483][ T10] ipv6_find_idev+0x102/0x170 [ 1956.183483][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1956.183483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1956.183483][ T10] netlink_rcv_skb+0x130/0x360 [ 1956.183483][ T10] netlink_unicast+0x449/0x710 [ 1956.183483][ T10] netlink_sendmsg+0x723/0xbe0 [ 1956.183483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1956.183483][ T10] ___sys_sendmsg+0xee/0x170 [ 1956.183483][ T10] __sys_sendmsg+0xcd/0x170 [ 1956.183483][ T10] do_syscall_64+0xc6/0x1e0 [ 1956.183483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1956.183483][ T10] [ 1966.266989][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1966.267522][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1966.267522][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.267522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.267522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.267522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.267522][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.267522][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.267522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.267522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.267522][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.267522][ T10] netlink_unicast+0x449/0x710 [ 1966.267522][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.267522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.267522][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.267522][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.267522][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.267522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.267522][ T10] [ 1966.269697][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1966.269697][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.269697][ T10] ipv6_find_idev+0x102/0x170 [ 1966.269697][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.269697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.269697][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.269697][ T10] netlink_unicast+0x449/0x710 [ 1966.269697][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.269697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.269697][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.269697][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.269697][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.269697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.269697][ T10] [ 1966.271304][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1966.271304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.271304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.271304][ T10] ipv6_find_idev+0x102/0x170 [ 1966.271304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.271304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.271304][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.271304][ T10] netlink_unicast+0x449/0x710 [ 1966.271304][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.271304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.271304][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.271304][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.271304][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.271304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.271304][ T10] [ 1966.273100][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1966.273419][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1966.273419][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.273419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.273419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.273419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.273419][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.273419][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.273419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.273419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.273419][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.273419][ T10] netlink_unicast+0x449/0x710 [ 1966.273419][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.273419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.273419][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.273419][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.273419][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.273419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.273419][ T10] [ 1966.275645][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1966.275645][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.275645][ T10] ipv6_find_idev+0x102/0x170 [ 1966.275645][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.275645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.275645][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.275645][ T10] netlink_unicast+0x449/0x710 [ 1966.275645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.275645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.275645][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.275645][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.275645][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.275645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.275645][ T10] [ 1966.277517][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1966.277517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.277517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.277517][ T10] ipv6_find_idev+0x102/0x170 [ 1966.277517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.277517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.277517][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.277517][ T10] netlink_unicast+0x449/0x710 [ 1966.277517][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.277517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.277517][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.277517][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.277517][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.277517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.277517][ T10] [ 1966.279323][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1966.279620][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1966.279620][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.279620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.279620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.279620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.279620][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.279620][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.279620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.279620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.279620][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.279620][ T10] netlink_unicast+0x449/0x710 [ 1966.279620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.279620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.279620][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.279620][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.279620][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.279620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.279620][ T10] [ 1966.281738][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1966.281738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.281738][ T10] ipv6_find_idev+0x102/0x170 [ 1966.281738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.281738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.281738][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.281738][ T10] netlink_unicast+0x449/0x710 [ 1966.281738][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.281738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.281738][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.281738][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.281738][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.281738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.281738][ T10] [ 1966.283467][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1966.283467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.283467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.283467][ T10] ipv6_find_idev+0x102/0x170 [ 1966.283467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.283467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.283467][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.283467][ T10] netlink_unicast+0x449/0x710 [ 1966.283467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.283467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.283467][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.283467][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.283467][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.283467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.283467][ T10] [ 1966.285348][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1966.285645][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1966.285645][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.285645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.285645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.285645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.285645][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.285645][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.285645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.285645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.285645][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.285645][ T10] netlink_unicast+0x449/0x710 [ 1966.285645][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.285645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.285645][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.285645][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.285645][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.285645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.285645][ T10] [ 1966.287851][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1966.287851][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.287851][ T10] ipv6_find_idev+0x102/0x170 [ 1966.287851][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.287851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.287851][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.287851][ T10] netlink_unicast+0x449/0x710 [ 1966.287851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.287851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.287851][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.287851][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.287851][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.287851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.287851][ T10] [ 1966.289466][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1966.289466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.289466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.289466][ T10] ipv6_find_idev+0x102/0x170 [ 1966.289466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.289466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.289466][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.289466][ T10] netlink_unicast+0x449/0x710 [ 1966.289466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.289466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.289466][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.289466][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.289466][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.289466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.289466][ T10] [ 1966.291734][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1966.292433][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1966.292433][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.292433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.292433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.292433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.292433][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.292433][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.292433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.292433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.292433][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.292433][ T10] netlink_unicast+0x449/0x710 [ 1966.292433][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.292433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.292433][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.292433][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.292433][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.292433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.292433][ T10] [ 1966.294633][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1966.294633][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.294633][ T10] ipv6_find_idev+0x102/0x170 [ 1966.294633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.294633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.294633][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.294633][ T10] netlink_unicast+0x449/0x710 [ 1966.294633][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.294633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.294633][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.294633][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.294633][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.294633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.294633][ T10] [ 1966.296348][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1966.296348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.296348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.296348][ T10] ipv6_find_idev+0x102/0x170 [ 1966.296348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.296348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.296348][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.296348][ T10] netlink_unicast+0x449/0x710 [ 1966.296348][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.296348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.296348][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.296348][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.296348][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.296348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.296348][ T10] [ 1966.298253][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1966.298533][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1966.298533][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.298533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.298533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.298533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.298533][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.298533][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.298533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.298533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.298533][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.298533][ T10] netlink_unicast+0x449/0x710 [ 1966.298533][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.298533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.298533][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.298533][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.298533][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.298533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.298533][ T10] [ 1966.301117][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1966.301117][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.301117][ T10] ipv6_find_idev+0x102/0x170 [ 1966.301117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.301117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.301117][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.301117][ T10] netlink_unicast+0x449/0x710 [ 1966.301117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.301117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.301117][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.301117][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.301117][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.301117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.301117][ T10] [ 1966.302870][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1966.302870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.302870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.302870][ T10] ipv6_find_idev+0x102/0x170 [ 1966.302870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.302870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.302870][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.302870][ T10] netlink_unicast+0x449/0x710 [ 1966.302870][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.302870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.302870][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.302870][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.302870][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.302870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.302870][ T10] [ 1966.305078][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1966.305427][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1966.305427][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.305427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.305427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.305427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.305427][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.305427][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.305427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.305427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.305427][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.305427][ T10] netlink_unicast+0x449/0x710 [ 1966.305427][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.305427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.305427][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.305427][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.305427][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.305427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.305427][ T10] [ 1966.307707][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1966.307707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.307707][ T10] ipv6_find_idev+0x102/0x170 [ 1966.307707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.307707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.307707][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.307707][ T10] netlink_unicast+0x449/0x710 [ 1966.307707][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.307707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.307707][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.307707][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.307707][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.307707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.307707][ T10] [ 1966.309453][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1966.309453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.309453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.309453][ T10] ipv6_find_idev+0x102/0x170 [ 1966.309453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.309453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.309453][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.309453][ T10] netlink_unicast+0x449/0x710 [ 1966.309453][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.309453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.309453][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.309453][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.309453][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.309453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.309453][ T10] [ 1966.311346][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1966.311656][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1966.311656][ T10] netdev_get_by_index+0x5e/0x80 [ 1966.311656][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1966.311656][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1966.311656][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1966.311656][ T10] ipv6_add_addr+0x411/0x2000 [ 1966.311656][ T10] inet6_addr_add+0x30e/0xa40 [ 1966.311656][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1966.311656][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.311656][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.311656][ T10] netlink_unicast+0x449/0x710 [ 1966.311656][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.311656][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.311656][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.311656][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.311656][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.311656][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.311656][ T10] [ 1966.313968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1966.313968][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1966.313968][ T10] ipv6_find_idev+0x102/0x170 [ 1966.313968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.313968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.313968][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.313968][ T10] netlink_unicast+0x449/0x710 [ 1966.313968][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.313968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.313968][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.313968][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.313968][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.313968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.313968][ T10] [ 1966.316117][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1966.316117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1966.316117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1966.316117][ T10] ipv6_find_idev+0x102/0x170 [ 1966.316117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1966.316117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1966.316117][ T10] netlink_rcv_skb+0x130/0x360 [ 1966.316117][ T10] netlink_unicast+0x449/0x710 [ 1966.316117][ T10] netlink_sendmsg+0x723/0xbe0 [ 1966.316117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1966.316117][ T10] ___sys_sendmsg+0xee/0x170 [ 1966.316117][ T10] __sys_sendmsg+0xcd/0x170 [ 1966.316117][ T10] do_syscall_64+0xc6/0x1e0 [ 1966.316117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1966.316117][ T10] [ 1976.498989][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1976.499454][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1976.499454][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.499454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.499454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.499454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.499454][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.499454][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.499454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.499454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.499454][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.499454][ T10] netlink_unicast+0x449/0x710 [ 1976.499454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.499454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.499454][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.499454][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.499454][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.499454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.499454][ T10] [ 1976.501580][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1976.501580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.501580][ T10] ipv6_find_idev+0x102/0x170 [ 1976.501580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.501580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.501580][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.501580][ T10] netlink_unicast+0x449/0x710 [ 1976.501580][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.501580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.501580][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.501580][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.501580][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.501580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.501580][ T10] [ 1976.503239][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1976.503239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.503239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.503239][ T10] ipv6_find_idev+0x102/0x170 [ 1976.503239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.503239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.503239][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.503239][ T10] netlink_unicast+0x449/0x710 [ 1976.503239][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.503239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.503239][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.503239][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.503239][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.503239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.503239][ T10] [ 1976.505058][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1976.505344][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1976.505344][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.505344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.505344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.505344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.505344][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.505344][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.505344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.505344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.505344][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.505344][ T10] netlink_unicast+0x449/0x710 [ 1976.505344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.505344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.505344][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.505344][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.505344][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.505344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.505344][ T10] [ 1976.507480][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1976.507480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.507480][ T10] ipv6_find_idev+0x102/0x170 [ 1976.507480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.507480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.507480][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.507480][ T10] netlink_unicast+0x449/0x710 [ 1976.507480][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.507480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.507480][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.507480][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.507480][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.507480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.507480][ T10] [ 1976.508995][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1976.508995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.508995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.508995][ T10] ipv6_find_idev+0x102/0x170 [ 1976.508995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.508995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.508995][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.508995][ T10] netlink_unicast+0x449/0x710 [ 1976.508995][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.508995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.508995][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.508995][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.508995][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.508995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.508995][ T10] [ 1976.510642][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1976.510926][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1976.510926][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.510926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.510926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.510926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.510926][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.510926][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.510926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.510926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.510926][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.510926][ T10] netlink_unicast+0x449/0x710 [ 1976.510926][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.510926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.510926][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.510926][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.510926][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.510926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.510926][ T10] [ 1976.512887][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1976.512887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.512887][ T10] ipv6_find_idev+0x102/0x170 [ 1976.512887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.512887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.512887][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.512887][ T10] netlink_unicast+0x449/0x710 [ 1976.512887][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.512887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.512887][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.512887][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.512887][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.512887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.512887][ T10] [ 1976.514466][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1976.514466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.514466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.514466][ T10] ipv6_find_idev+0x102/0x170 [ 1976.514466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.514466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.514466][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.514466][ T10] netlink_unicast+0x449/0x710 [ 1976.514466][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.514466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.514466][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.514466][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.514466][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.514466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.514466][ T10] [ 1976.516130][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1976.516398][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1976.516398][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.516398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.516398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.516398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.516398][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.516398][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.516398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.516398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.516398][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.516398][ T10] netlink_unicast+0x449/0x710 [ 1976.516398][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.516398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.516398][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.516398][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.516398][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.516398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.516398][ T10] [ 1976.518361][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1976.518361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.518361][ T10] ipv6_find_idev+0x102/0x170 [ 1976.518361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.518361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.518361][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.518361][ T10] netlink_unicast+0x449/0x710 [ 1976.518361][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.518361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.518361][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.518361][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.518361][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.518361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.518361][ T10] [ 1976.519874][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1976.519874][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.519874][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.519874][ T10] ipv6_find_idev+0x102/0x170 [ 1976.519874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.519874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.519874][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.519874][ T10] netlink_unicast+0x449/0x710 [ 1976.519874][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.519874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.519874][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.519874][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.519874][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.519874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.519874][ T10] [ 1976.521944][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1976.522204][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1976.522204][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.522204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.522204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.522204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.522204][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.522204][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.522204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.522204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.522204][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.522204][ T10] netlink_unicast+0x449/0x710 [ 1976.522204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.522204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.522204][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.522204][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.522204][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.522204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.522204][ T10] [ 1976.524246][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1976.524246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.524246][ T10] ipv6_find_idev+0x102/0x170 [ 1976.524246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.524246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.524246][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.524246][ T10] netlink_unicast+0x449/0x710 [ 1976.524246][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.524246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.524246][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.524246][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.524246][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.524246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.524246][ T10] [ 1976.525761][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1976.525761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.525761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.525761][ T10] ipv6_find_idev+0x102/0x170 [ 1976.525761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.525761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.525761][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.525761][ T10] netlink_unicast+0x449/0x710 [ 1976.525761][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.525761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.525761][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.525761][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.525761][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.525761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.525761][ T10] [ 1976.527457][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1976.527724][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1976.527724][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.527724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.527724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.527724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.527724][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.527724][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.527724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.527724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.527724][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.527724][ T10] netlink_unicast+0x449/0x710 [ 1976.527724][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.527724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.527724][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.527724][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.527724][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.527724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.527724][ T10] [ 1976.529834][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1976.529834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.529834][ T10] ipv6_find_idev+0x102/0x170 [ 1976.529834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.529834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.529834][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.529834][ T10] netlink_unicast+0x449/0x710 [ 1976.529834][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.529834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.529834][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.529834][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.529834][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.529834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.529834][ T10] [ 1976.531624][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1976.531624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.531624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.531624][ T10] ipv6_find_idev+0x102/0x170 [ 1976.531624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.531624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.531624][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.531624][ T10] netlink_unicast+0x449/0x710 [ 1976.531624][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.531624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.531624][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.531624][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.531624][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.531624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.531624][ T10] [ 1976.533741][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1976.534092][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1976.534092][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.534092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.534092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.534092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.534092][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.534092][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.534092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.534092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.534092][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.534092][ T10] netlink_unicast+0x449/0x710 [ 1976.534092][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.534092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.534092][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.534092][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.534092][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.534092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.534092][ T10] [ 1976.536417][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1976.536417][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.536417][ T10] ipv6_find_idev+0x102/0x170 [ 1976.536417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.536417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.536417][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.536417][ T10] netlink_unicast+0x449/0x710 [ 1976.536417][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.536417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.536417][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.536417][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.536417][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.536417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.536417][ T10] [ 1976.538204][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1976.538204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.538204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.538204][ T10] ipv6_find_idev+0x102/0x170 [ 1976.538204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.538204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.538204][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.538204][ T10] netlink_unicast+0x449/0x710 [ 1976.538204][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.538204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.538204][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.538204][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.538204][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.538204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.538204][ T10] [ 1976.540288][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1976.540569][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1976.540569][ T10] netdev_get_by_index+0x5e/0x80 [ 1976.540569][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1976.540569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1976.540569][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1976.540569][ T10] ipv6_add_addr+0x411/0x2000 [ 1976.540569][ T10] inet6_addr_add+0x30e/0xa40 [ 1976.540569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1976.540569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.540569][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.540569][ T10] netlink_unicast+0x449/0x710 [ 1976.540569][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.540569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.540569][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.540569][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.540569][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.540569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.540569][ T10] [ 1976.542900][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1976.542900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1976.542900][ T10] ipv6_find_idev+0x102/0x170 [ 1976.542900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.542900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.542900][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.542900][ T10] netlink_unicast+0x449/0x710 [ 1976.542900][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.542900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.542900][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.542900][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.542900][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.542900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.542900][ T10] [ 1976.544772][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1976.544772][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1976.544772][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1976.544772][ T10] ipv6_find_idev+0x102/0x170 [ 1976.544772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1976.544772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1976.544772][ T10] netlink_rcv_skb+0x130/0x360 [ 1976.544772][ T10] netlink_unicast+0x449/0x710 [ 1976.544772][ T10] netlink_sendmsg+0x723/0xbe0 [ 1976.544772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1976.544772][ T10] ___sys_sendmsg+0xee/0x170 [ 1976.544772][ T10] __sys_sendmsg+0xcd/0x170 [ 1976.544772][ T10] do_syscall_64+0xc6/0x1e0 [ 1976.544772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1976.544772][ T10] [ 1986.787025][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1986.787467][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1986.787467][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.787467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.787467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.787467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.787467][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.787467][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.787467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.787467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.787467][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.787467][ T10] netlink_unicast+0x449/0x710 [ 1986.787467][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.787467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.787467][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.787467][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.787467][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.787467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.787467][ T10] [ 1986.789617][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1986.789617][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.789617][ T10] ipv6_find_idev+0x102/0x170 [ 1986.789617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.789617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.789617][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.789617][ T10] netlink_unicast+0x449/0x710 [ 1986.789617][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.789617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.789617][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.789617][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.789617][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.789617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.789617][ T10] [ 1986.791297][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1986.791297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.791297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.791297][ T10] ipv6_find_idev+0x102/0x170 [ 1986.791297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.791297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.791297][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.791297][ T10] netlink_unicast+0x449/0x710 [ 1986.791297][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.791297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.791297][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.791297][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.791297][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.791297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.791297][ T10] [ 1986.793115][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1986.793410][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1986.793410][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.793410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.793410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.793410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.793410][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.793410][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.793410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.793410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.793410][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.793410][ T10] netlink_unicast+0x449/0x710 [ 1986.793410][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.793410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.793410][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.793410][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.793410][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.793410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.793410][ T10] [ 1986.795561][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1986.795561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.795561][ T10] ipv6_find_idev+0x102/0x170 [ 1986.795561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.795561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.795561][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.795561][ T10] netlink_unicast+0x449/0x710 [ 1986.795561][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.795561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.795561][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.795561][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.795561][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.795561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.795561][ T10] [ 1986.797214][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1986.797214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.797214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.797214][ T10] ipv6_find_idev+0x102/0x170 [ 1986.797214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.797214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.797214][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.797214][ T10] netlink_unicast+0x449/0x710 [ 1986.797214][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.797214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.797214][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.797214][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.797214][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.797214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.797214][ T10] [ 1986.799028][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1986.799318][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1986.799318][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.799318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.799318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.799318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.799318][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.799318][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.799318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.799318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.799318][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.799318][ T10] netlink_unicast+0x449/0x710 [ 1986.799318][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.799318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.799318][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.799318][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.799318][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.799318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.799318][ T10] [ 1986.801463][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1986.801463][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.801463][ T10] ipv6_find_idev+0x102/0x170 [ 1986.801463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.801463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.801463][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.801463][ T10] netlink_unicast+0x449/0x710 [ 1986.801463][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.801463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.801463][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.801463][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.801463][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.801463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.801463][ T10] [ 1986.803119][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1986.803119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.803119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.803119][ T10] ipv6_find_idev+0x102/0x170 [ 1986.803119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.803119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.803119][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.803119][ T10] netlink_unicast+0x449/0x710 [ 1986.803119][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.803119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.803119][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.803119][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.803119][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.803119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.803119][ T10] [ 1986.804939][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1986.805220][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1986.805220][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.805220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.805220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.805220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.805220][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.805220][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.805220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.805220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.805220][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.805220][ T10] netlink_unicast+0x449/0x710 [ 1986.805220][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.805220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.805220][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.805220][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.805220][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.805220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.805220][ T10] [ 1986.807357][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1986.807357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.807357][ T10] ipv6_find_idev+0x102/0x170 [ 1986.807357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.807357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.807357][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.807357][ T10] netlink_unicast+0x449/0x710 [ 1986.807357][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.807357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.807357][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.807357][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.807357][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.807357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.807357][ T10] [ 1986.809030][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1986.809030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.809030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.809030][ T10] ipv6_find_idev+0x102/0x170 [ 1986.809030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.809030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.809030][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.809030][ T10] netlink_unicast+0x449/0x710 [ 1986.809030][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.809030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.809030][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.809030][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.809030][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.809030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.809030][ T10] [ 1986.811241][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1986.811515][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1986.811515][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.811515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.811515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.811515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.811515][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.811515][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.811515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.811515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.811515][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.811515][ T10] netlink_unicast+0x449/0x710 [ 1986.811515][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.811515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.811515][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.811515][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.811515][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.811515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.811515][ T10] [ 1986.813620][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1986.813620][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.813620][ T10] ipv6_find_idev+0x102/0x170 [ 1986.813620][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.813620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.813620][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.813620][ T10] netlink_unicast+0x449/0x710 [ 1986.813620][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.813620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.813620][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.813620][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.813620][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.813620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.813620][ T10] [ 1986.815252][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1986.815252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.815252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.815252][ T10] ipv6_find_idev+0x102/0x170 [ 1986.815252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.815252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.815252][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.815252][ T10] netlink_unicast+0x449/0x710 [ 1986.815252][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.815252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.815252][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.815252][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.815252][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.815252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.815252][ T10] [ 1986.817133][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1986.817401][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1986.817401][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.817401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.817401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.817401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.817401][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.817401][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.817401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.817401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.817401][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.817401][ T10] netlink_unicast+0x449/0x710 [ 1986.817401][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.817401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.817401][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.817401][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.817401][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.817401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.817401][ T10] [ 1986.819545][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1986.819545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.819545][ T10] ipv6_find_idev+0x102/0x170 [ 1986.819545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.819545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.819545][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.819545][ T10] netlink_unicast+0x449/0x710 [ 1986.819545][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.819545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.819545][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.819545][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.819545][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.819545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.819545][ T10] [ 1986.821383][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1986.821383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.821383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.821383][ T10] ipv6_find_idev+0x102/0x170 [ 1986.821383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.821383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.821383][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.821383][ T10] netlink_unicast+0x449/0x710 [ 1986.821383][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.821383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.821383][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.821383][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.821383][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.821383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.821383][ T10] [ 1986.823416][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1986.823706][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1986.823706][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.823706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.823706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.823706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.823706][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.823706][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.823706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.823706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.823706][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.823706][ T10] netlink_unicast+0x449/0x710 [ 1986.823706][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.823706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.823706][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.823706][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.823706][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.823706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.823706][ T10] [ 1986.826166][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1986.826166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.826166][ T10] ipv6_find_idev+0x102/0x170 [ 1986.826166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.826166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.826166][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.826166][ T10] netlink_unicast+0x449/0x710 [ 1986.826166][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.826166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.826166][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.826166][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.826166][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.826166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.826166][ T10] [ 1986.827985][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1986.827985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.827985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.827985][ T10] ipv6_find_idev+0x102/0x170 [ 1986.827985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.827985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.827985][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.827985][ T10] netlink_unicast+0x449/0x710 [ 1986.827985][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.827985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.827985][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.827985][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.827985][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.827985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.827985][ T10] [ 1986.830009][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1986.830296][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1986.830296][ T10] netdev_get_by_index+0x5e/0x80 [ 1986.830296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1986.830296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1986.830296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1986.830296][ T10] ipv6_add_addr+0x411/0x2000 [ 1986.830296][ T10] inet6_addr_add+0x30e/0xa40 [ 1986.830296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1986.830296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.830296][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.830296][ T10] netlink_unicast+0x449/0x710 [ 1986.830296][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.830296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.830296][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.830296][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.830296][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.830296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.830296][ T10] [ 1986.832692][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1986.832692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1986.832692][ T10] ipv6_find_idev+0x102/0x170 [ 1986.832692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.832692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.832692][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.832692][ T10] netlink_unicast+0x449/0x710 [ 1986.832692][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.832692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.832692][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.832692][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.832692][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.832692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.832692][ T10] [ 1986.834539][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1986.834539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1986.834539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1986.834539][ T10] ipv6_find_idev+0x102/0x170 [ 1986.834539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1986.834539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1986.834539][ T10] netlink_rcv_skb+0x130/0x360 [ 1986.834539][ T10] netlink_unicast+0x449/0x710 [ 1986.834539][ T10] netlink_sendmsg+0x723/0xbe0 [ 1986.834539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1986.834539][ T10] ___sys_sendmsg+0xee/0x170 [ 1986.834539][ T10] __sys_sendmsg+0xcd/0x170 [ 1986.834539][ T10] do_syscall_64+0xc6/0x1e0 [ 1986.834539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1986.834539][ T10] [ 1996.850970][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 1996.851408][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1996.851408][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.851408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.851408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.851408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.851408][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.851408][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.851408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.851408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.851408][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.851408][ T10] netlink_unicast+0x449/0x710 [ 1996.851408][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.851408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.851408][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.851408][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.851408][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.851408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.851408][ T10] [ 1996.853578][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1996.853578][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.853578][ T10] ipv6_find_idev+0x102/0x170 [ 1996.853578][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.853578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.853578][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.853578][ T10] netlink_unicast+0x449/0x710 [ 1996.853578][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.853578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.853578][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.853578][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.853578][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.853578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.853578][ T10] [ 1996.855232][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 1996.855232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.855232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.855232][ T10] ipv6_find_idev+0x102/0x170 [ 1996.855232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.855232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.855232][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.855232][ T10] netlink_unicast+0x449/0x710 [ 1996.855232][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.855232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.855232][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.855232][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.855232][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.855232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.855232][ T10] [ 1996.857044][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 1996.857340][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1996.857340][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.857340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.857340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.857340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.857340][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.857340][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.857340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.857340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.857340][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.857340][ T10] netlink_unicast+0x449/0x710 [ 1996.857340][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.857340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.857340][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.857340][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.857340][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.857340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.857340][ T10] [ 1996.859394][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1996.859394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.859394][ T10] ipv6_find_idev+0x102/0x170 [ 1996.859394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.859394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.859394][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.859394][ T10] netlink_unicast+0x449/0x710 [ 1996.859394][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.859394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.859394][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.859394][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.859394][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.859394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.859394][ T10] [ 1996.860930][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 1996.860930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.860930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.860930][ T10] ipv6_find_idev+0x102/0x170 [ 1996.860930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.860930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.860930][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.860930][ T10] netlink_unicast+0x449/0x710 [ 1996.860930][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.860930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.860930][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.860930][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.860930][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.860930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.860930][ T10] [ 1996.862586][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 1996.862851][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1996.862851][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.862851][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.862851][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.862851][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.862851][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.862851][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.862851][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.862851][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.862851][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.862851][ T10] netlink_unicast+0x449/0x710 [ 1996.862851][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.862851][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.862851][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.862851][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.862851][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.862851][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.862851][ T10] [ 1996.864829][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1996.864829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.864829][ T10] ipv6_find_idev+0x102/0x170 [ 1996.864829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.864829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.864829][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.864829][ T10] netlink_unicast+0x449/0x710 [ 1996.864829][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.864829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.864829][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.864829][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.864829][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.864829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.864829][ T10] [ 1996.866344][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 1996.866344][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.866344][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.866344][ T10] ipv6_find_idev+0x102/0x170 [ 1996.866344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.866344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.866344][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.866344][ T10] netlink_unicast+0x449/0x710 [ 1996.866344][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.866344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.866344][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.866344][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.866344][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.866344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.866344][ T10] [ 1996.868008][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 1996.868278][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1996.868278][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.868278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.868278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.868278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.868278][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.868278][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.868278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.868278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.868278][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.868278][ T10] netlink_unicast+0x449/0x710 [ 1996.868278][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.868278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.868278][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.868278][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.868278][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.868278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.868278][ T10] [ 1996.870244][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1996.870244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.870244][ T10] ipv6_find_idev+0x102/0x170 [ 1996.870244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.870244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.870244][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.870244][ T10] netlink_unicast+0x449/0x710 [ 1996.870244][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.870244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.870244][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.870244][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.870244][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.870244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.870244][ T10] [ 1996.871794][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 1996.871794][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.871794][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.871794][ T10] ipv6_find_idev+0x102/0x170 [ 1996.871794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.871794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.871794][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.871794][ T10] netlink_unicast+0x449/0x710 [ 1996.871794][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.871794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.871794][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.871794][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.871794][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.871794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.871794][ T10] [ 1996.873872][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 1996.874138][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1996.874138][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.874138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.874138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.874138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.874138][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.874138][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.874138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.874138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.874138][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.874138][ T10] netlink_unicast+0x449/0x710 [ 1996.874138][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.874138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.874138][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.874138][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.874138][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.874138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.874138][ T10] [ 1996.876121][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1996.876121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.876121][ T10] ipv6_find_idev+0x102/0x170 [ 1996.876121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.876121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.876121][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.876121][ T10] netlink_unicast+0x449/0x710 [ 1996.876121][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.876121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.876121][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.876121][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.876121][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.876121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.876121][ T10] [ 1996.877632][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 1996.877632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.877632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.877632][ T10] ipv6_find_idev+0x102/0x170 [ 1996.877632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.877632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.877632][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.877632][ T10] netlink_unicast+0x449/0x710 [ 1996.877632][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.877632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.877632][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.877632][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.877632][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.877632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.877632][ T10] [ 1996.879327][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 1996.879602][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1996.879602][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.879602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.879602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.879602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.879602][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.879602][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.879602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.879602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.879602][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.879602][ T10] netlink_unicast+0x449/0x710 [ 1996.879602][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.879602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.879602][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.879602][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.879602][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.879602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.879602][ T10] [ 1996.881686][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1996.881686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.881686][ T10] ipv6_find_idev+0x102/0x170 [ 1996.881686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.881686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.881686][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.881686][ T10] netlink_unicast+0x449/0x710 [ 1996.881686][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.881686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.881686][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.881686][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.881686][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.881686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.881686][ T10] [ 1996.883454][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 1996.883454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.883454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.883454][ T10] ipv6_find_idev+0x102/0x170 [ 1996.883454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.883454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.883454][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.883454][ T10] netlink_unicast+0x449/0x710 [ 1996.883454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.883454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.883454][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.883454][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.883454][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.883454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.883454][ T10] [ 1996.885345][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 1996.885608][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1996.885608][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.885608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.885608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.885608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.885608][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.885608][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.885608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.885608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.885608][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.885608][ T10] netlink_unicast+0x449/0x710 [ 1996.885608][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.885608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.885608][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.885608][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.885608][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.885608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.885608][ T10] [ 1996.887763][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1996.887763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.887763][ T10] ipv6_find_idev+0x102/0x170 [ 1996.887763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.887763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.887763][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.887763][ T10] netlink_unicast+0x449/0x710 [ 1996.887763][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.887763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.887763][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.887763][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.887763][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.887763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.887763][ T10] [ 1996.889454][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 1996.889454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.889454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.889454][ T10] ipv6_find_idev+0x102/0x170 [ 1996.889454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.889454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.889454][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.889454][ T10] netlink_unicast+0x449/0x710 [ 1996.889454][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.889454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.889454][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.889454][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.889454][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.889454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.889454][ T10] [ 1996.891336][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 1996.891601][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1996.891601][ T10] netdev_get_by_index+0x5e/0x80 [ 1996.891601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 1996.891601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 1996.891601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 1996.891601][ T10] ipv6_add_addr+0x411/0x2000 [ 1996.891601][ T10] inet6_addr_add+0x30e/0xa40 [ 1996.891601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 1996.891601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.891601][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.891601][ T10] netlink_unicast+0x449/0x710 [ 1996.891601][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.891601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.891601][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.891601][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.891601][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.891601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.891601][ T10] [ 1996.893868][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1996.893868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 1996.893868][ T10] ipv6_find_idev+0x102/0x170 [ 1996.893868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.893868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.893868][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.893868][ T10] netlink_unicast+0x449/0x710 [ 1996.893868][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.893868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.893868][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.893868][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.893868][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.893868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.893868][ T10] [ 1996.895560][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 1996.895560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 1996.895560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 1996.895560][ T10] ipv6_find_idev+0x102/0x170 [ 1996.895560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 1996.895560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1996.895560][ T10] netlink_rcv_skb+0x130/0x360 [ 1996.895560][ T10] netlink_unicast+0x449/0x710 [ 1996.895560][ T10] netlink_sendmsg+0x723/0xbe0 [ 1996.895560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 1996.895560][ T10] ___sys_sendmsg+0xee/0x170 [ 1996.895560][ T10] __sys_sendmsg+0xcd/0x170 [ 1996.895560][ T10] do_syscall_64+0xc6/0x1e0 [ 1996.895560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1996.895560][ T10] [ 2006.922926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2006.923470][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2006.923470][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.923470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.923470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.923470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.923470][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.923470][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.923470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.923470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.923470][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.923470][ T10] netlink_unicast+0x449/0x710 [ 2006.923470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.923470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.923470][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.923470][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.923470][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.923470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.923470][ T10] [ 2006.926597][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2006.926597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.926597][ T10] ipv6_find_idev+0x102/0x170 [ 2006.926597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.926597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.926597][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.926597][ T10] netlink_unicast+0x449/0x710 [ 2006.926597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.926597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.926597][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.926597][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.926597][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.926597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.926597][ T10] [ 2006.929038][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2006.929038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.929038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.929038][ T10] ipv6_find_idev+0x102/0x170 [ 2006.929038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.929038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.929038][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.929038][ T10] netlink_unicast+0x449/0x710 [ 2006.929038][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.929038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.929038][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.929038][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.929038][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.929038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.929038][ T10] [ 2006.931630][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2006.932082][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2006.932082][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.932082][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.932082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.932082][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.932082][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.932082][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.932082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.932082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.932082][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.932082][ T10] netlink_unicast+0x449/0x710 [ 2006.932082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.932082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.932082][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.932082][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.932082][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.932082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.932082][ T10] [ 2006.935186][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2006.935186][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.935186][ T10] ipv6_find_idev+0x102/0x170 [ 2006.935186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.935186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.935186][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.935186][ T10] netlink_unicast+0x449/0x710 [ 2006.935186][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.935186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.935186][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.935186][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.935186][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.935186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.935186][ T10] [ 2006.937644][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2006.937644][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.937644][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.937644][ T10] ipv6_find_idev+0x102/0x170 [ 2006.937644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.937644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.937644][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.937644][ T10] netlink_unicast+0x449/0x710 [ 2006.937644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.937644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.937644][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.937644][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.937644][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.937644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.937644][ T10] [ 2006.939822][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2006.940108][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2006.940108][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.940108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.940108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.940108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.940108][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.940108][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.940108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.940108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.940108][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.940108][ T10] netlink_unicast+0x449/0x710 [ 2006.940108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.940108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.940108][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.940108][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.940108][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.940108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.940108][ T10] [ 2006.942252][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2006.942252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.942252][ T10] ipv6_find_idev+0x102/0x170 [ 2006.942252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.942252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.942252][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.942252][ T10] netlink_unicast+0x449/0x710 [ 2006.942252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.942252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.942252][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.942252][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.942252][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.942252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.942252][ T10] [ 2006.943803][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2006.943803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.943803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.943803][ T10] ipv6_find_idev+0x102/0x170 [ 2006.943803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.943803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.943803][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.943803][ T10] netlink_unicast+0x449/0x710 [ 2006.943803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.943803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.943803][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.943803][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.943803][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.943803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.943803][ T10] [ 2006.945485][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2006.945751][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2006.945751][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.945751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.945751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.945751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.945751][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.945751][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.945751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.945751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.945751][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.945751][ T10] netlink_unicast+0x449/0x710 [ 2006.945751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.945751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.945751][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.945751][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.945751][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.945751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.945751][ T10] [ 2006.947740][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2006.947740][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.947740][ T10] ipv6_find_idev+0x102/0x170 [ 2006.947740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.947740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.947740][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.947740][ T10] netlink_unicast+0x449/0x710 [ 2006.947740][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.947740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.947740][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.947740][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.947740][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.947740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.947740][ T10] [ 2006.949267][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2006.949267][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.949267][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.949267][ T10] ipv6_find_idev+0x102/0x170 [ 2006.949267][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.949267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.949267][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.949267][ T10] netlink_unicast+0x449/0x710 [ 2006.949267][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.949267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.949267][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.949267][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.949267][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.949267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.949267][ T10] [ 2006.951612][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2006.951881][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2006.951881][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.951881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.951881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.951881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.951881][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.951881][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.951881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.951881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.951881][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.951881][ T10] netlink_unicast+0x449/0x710 [ 2006.951881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.951881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.951881][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.951881][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.951881][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.951881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.951881][ T10] [ 2006.953862][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2006.953862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.953862][ T10] ipv6_find_idev+0x102/0x170 [ 2006.953862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.953862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.953862][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.953862][ T10] netlink_unicast+0x449/0x710 [ 2006.953862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.953862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.953862][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.953862][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.953862][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.953862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.953862][ T10] [ 2006.955395][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2006.955395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.955395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.955395][ T10] ipv6_find_idev+0x102/0x170 [ 2006.955395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.955395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.955395][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.955395][ T10] netlink_unicast+0x449/0x710 [ 2006.955395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.955395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.955395][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.955395][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.955395][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.955395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.955395][ T10] [ 2006.957125][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2006.957409][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2006.957409][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.957409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.957409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.957409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.957409][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.957409][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.957409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.957409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.957409][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.957409][ T10] netlink_unicast+0x449/0x710 [ 2006.957409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.957409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.957409][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.957409][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.957409][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.957409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.957409][ T10] [ 2006.959471][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2006.959471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.959471][ T10] ipv6_find_idev+0x102/0x170 [ 2006.959471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.959471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.959471][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.959471][ T10] netlink_unicast+0x449/0x710 [ 2006.959471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.959471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.959471][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.959471][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.959471][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.959471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.959471][ T10] [ 2006.961133][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2006.961133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.961133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.961133][ T10] ipv6_find_idev+0x102/0x170 [ 2006.961133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.961133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.961133][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.961133][ T10] netlink_unicast+0x449/0x710 [ 2006.961133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.961133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.961133][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.961133][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.961133][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.961133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.961133][ T10] [ 2006.962984][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2006.963252][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2006.963252][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.963252][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.963252][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.963252][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.963252][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.963252][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.963252][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.963252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.963252][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.963252][ T10] netlink_unicast+0x449/0x710 [ 2006.963252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.963252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.963252][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.963252][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.963252][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.963252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.963252][ T10] [ 2006.965460][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2006.965460][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.965460][ T10] ipv6_find_idev+0x102/0x170 [ 2006.965460][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.965460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.965460][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.965460][ T10] netlink_unicast+0x449/0x710 [ 2006.965460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.965460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.965460][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.965460][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.965460][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.965460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.965460][ T10] [ 2006.967113][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2006.967113][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.967113][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.967113][ T10] ipv6_find_idev+0x102/0x170 [ 2006.967113][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.967113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.967113][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.967113][ T10] netlink_unicast+0x449/0x710 [ 2006.967113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.967113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.967113][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.967113][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.967113][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.967113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.967113][ T10] [ 2006.969427][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2006.969688][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2006.969688][ T10] netdev_get_by_index+0x5e/0x80 [ 2006.969688][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2006.969688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2006.969688][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2006.969688][ T10] ipv6_add_addr+0x411/0x2000 [ 2006.969688][ T10] inet6_addr_add+0x30e/0xa40 [ 2006.969688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2006.969688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.969688][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.969688][ T10] netlink_unicast+0x449/0x710 [ 2006.969688][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.969688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.969688][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.969688][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.969688][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.969688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.969688][ T10] [ 2006.971868][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2006.971868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2006.971868][ T10] ipv6_find_idev+0x102/0x170 [ 2006.971868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.971868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.971868][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.971868][ T10] netlink_unicast+0x449/0x710 [ 2006.971868][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.971868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.971868][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.971868][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.971868][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.971868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.971868][ T10] [ 2006.973505][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2006.973505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2006.973505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2006.973505][ T10] ipv6_find_idev+0x102/0x170 [ 2006.973505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2006.973505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2006.973505][ T10] netlink_rcv_skb+0x130/0x360 [ 2006.973505][ T10] netlink_unicast+0x449/0x710 [ 2006.973505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2006.973505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2006.973505][ T10] ___sys_sendmsg+0xee/0x170 [ 2006.973505][ T10] __sys_sendmsg+0xcd/0x170 [ 2006.973505][ T10] do_syscall_64+0xc6/0x1e0 [ 2006.973505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2006.973505][ T10] [ 2017.219017][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2017.219455][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2017.219455][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.219455][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.219455][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.219455][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.219455][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.219455][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.219455][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.219455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.219455][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.219455][ T10] netlink_unicast+0x449/0x710 [ 2017.219455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.219455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.219455][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.219455][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.219455][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.219455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.219455][ T10] [ 2017.221674][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2017.221674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.221674][ T10] ipv6_find_idev+0x102/0x170 [ 2017.221674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.221674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.221674][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.221674][ T10] netlink_unicast+0x449/0x710 [ 2017.221674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.221674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.221674][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.221674][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.221674][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.221674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.221674][ T10] [ 2017.223378][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2017.223378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.223378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.223378][ T10] ipv6_find_idev+0x102/0x170 [ 2017.223378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.223378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.223378][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.223378][ T10] netlink_unicast+0x449/0x710 [ 2017.223378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.223378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.223378][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.223378][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.223378][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.223378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.223378][ T10] [ 2017.225266][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2017.225553][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2017.225553][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.225553][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.225553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.225553][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.225553][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.225553][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.225553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.225553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.225553][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.225553][ T10] netlink_unicast+0x449/0x710 [ 2017.225553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.225553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.225553][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.225553][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.225553][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.225553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.225553][ T10] [ 2017.227752][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2017.227752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.227752][ T10] ipv6_find_idev+0x102/0x170 [ 2017.227752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.227752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.227752][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.227752][ T10] netlink_unicast+0x449/0x710 [ 2017.227752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.227752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.227752][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.227752][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.227752][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.227752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.227752][ T10] [ 2017.229441][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2017.229441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.229441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.229441][ T10] ipv6_find_idev+0x102/0x170 [ 2017.229441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.229441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.229441][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.229441][ T10] netlink_unicast+0x449/0x710 [ 2017.229441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.229441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.229441][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.229441][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.229441][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.229441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.229441][ T10] [ 2017.231331][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2017.231616][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2017.231616][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.231616][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.231616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.231616][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.231616][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.231616][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.231616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.231616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.231616][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.231616][ T10] netlink_unicast+0x449/0x710 [ 2017.231616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.231616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.231616][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.231616][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.231616][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.231616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.231616][ T10] [ 2017.233817][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2017.233817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.233817][ T10] ipv6_find_idev+0x102/0x170 [ 2017.233817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.233817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.233817][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.233817][ T10] netlink_unicast+0x449/0x710 [ 2017.233817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.233817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.233817][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.233817][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.233817][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.233817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.233817][ T10] [ 2017.235496][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2017.235496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.235496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.235496][ T10] ipv6_find_idev+0x102/0x170 [ 2017.235496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.235496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.235496][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.235496][ T10] netlink_unicast+0x449/0x710 [ 2017.235496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.235496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.235496][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.235496][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.235496][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.235496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.235496][ T10] [ 2017.237352][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2017.237643][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2017.237643][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.237643][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.237643][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.237643][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.237643][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.237643][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.237643][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.237643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.237643][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.237643][ T10] netlink_unicast+0x449/0x710 [ 2017.237643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.237643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.237643][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.237643][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.237643][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.237643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.237643][ T10] [ 2017.239835][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2017.239835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.239835][ T10] ipv6_find_idev+0x102/0x170 [ 2017.239835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.239835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.239835][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.239835][ T10] netlink_unicast+0x449/0x710 [ 2017.239835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.239835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.239835][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.239835][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.239835][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.239835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.239835][ T10] [ 2017.241527][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2017.241527][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.241527][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.241527][ T10] ipv6_find_idev+0x102/0x170 [ 2017.241527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.241527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.241527][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.241527][ T10] netlink_unicast+0x449/0x710 [ 2017.241527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.241527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.241527][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.241527][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.241527][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.241527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.241527][ T10] [ 2017.243393][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2017.243684][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2017.243684][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.243684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.243684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.243684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.243684][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.243684][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.243684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.243684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.243684][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.243684][ T10] netlink_unicast+0x449/0x710 [ 2017.243684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.243684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.243684][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.243684][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.243684][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.243684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.243684][ T10] [ 2017.245972][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2017.245972][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.245972][ T10] ipv6_find_idev+0x102/0x170 [ 2017.245972][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.245972][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.245972][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.245972][ T10] netlink_unicast+0x449/0x710 [ 2017.245972][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.245972][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.245972][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.245972][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.245972][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.245972][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.245972][ T10] [ 2017.247728][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2017.247728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.247728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.247728][ T10] ipv6_find_idev+0x102/0x170 [ 2017.247728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.247728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.247728][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.247728][ T10] netlink_unicast+0x449/0x710 [ 2017.247728][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.247728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.247728][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.247728][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.247728][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.247728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.247728][ T10] [ 2017.249806][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2017.250151][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2017.250151][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.250151][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.250151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.250151][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.250151][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.250151][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.250151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.250151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.250151][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.250151][ T10] netlink_unicast+0x449/0x710 [ 2017.250151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.250151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.250151][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.250151][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.250151][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.250151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.250151][ T10] [ 2017.252569][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2017.252569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.252569][ T10] ipv6_find_idev+0x102/0x170 [ 2017.252569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.252569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.252569][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.252569][ T10] netlink_unicast+0x449/0x710 [ 2017.252569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.252569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.252569][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.252569][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.252569][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.252569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.252569][ T10] [ 2017.254468][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2017.254468][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.254468][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.254468][ T10] ipv6_find_idev+0x102/0x170 [ 2017.254468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.254468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.254468][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.254468][ T10] netlink_unicast+0x449/0x710 [ 2017.254468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.254468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.254468][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.254468][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.254468][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.254468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.254468][ T10] [ 2017.256582][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2017.256866][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2017.256866][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.256866][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.256866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.256866][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.256866][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.256866][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.256866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.256866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.256866][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.256866][ T10] netlink_unicast+0x449/0x710 [ 2017.256866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.256866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.256866][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.256866][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.256866][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.256866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.256866][ T10] [ 2017.259220][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2017.259220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.259220][ T10] ipv6_find_idev+0x102/0x170 [ 2017.259220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.259220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.259220][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.259220][ T10] netlink_unicast+0x449/0x710 [ 2017.259220][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.259220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.259220][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.259220][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.259220][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.259220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.259220][ T10] [ 2017.261075][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2017.261075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.261075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.261075][ T10] ipv6_find_idev+0x102/0x170 [ 2017.261075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.261075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.261075][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.261075][ T10] netlink_unicast+0x449/0x710 [ 2017.261075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.261075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.261075][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.261075][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.261075][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.261075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.261075][ T10] [ 2017.263638][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2017.263976][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2017.263976][ T10] netdev_get_by_index+0x5e/0x80 [ 2017.263976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2017.263976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2017.263976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2017.263976][ T10] ipv6_add_addr+0x411/0x2000 [ 2017.263976][ T10] inet6_addr_add+0x30e/0xa40 [ 2017.263976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2017.263976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.263976][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.263976][ T10] netlink_unicast+0x449/0x710 [ 2017.263976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.263976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.263976][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.263976][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.263976][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.263976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.263976][ T10] [ 2017.266327][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2017.266327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2017.266327][ T10] ipv6_find_idev+0x102/0x170 [ 2017.266327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.266327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.266327][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.266327][ T10] netlink_unicast+0x449/0x710 [ 2017.266327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.266327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.266327][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.266327][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.266327][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.266327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.266327][ T10] [ 2017.268196][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2017.268196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2017.268196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2017.268196][ T10] ipv6_find_idev+0x102/0x170 [ 2017.268196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2017.268196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2017.268196][ T10] netlink_rcv_skb+0x130/0x360 [ 2017.268196][ T10] netlink_unicast+0x449/0x710 [ 2017.268196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2017.268196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2017.268196][ T10] ___sys_sendmsg+0xee/0x170 [ 2017.268196][ T10] __sys_sendmsg+0xcd/0x170 [ 2017.268196][ T10] do_syscall_64+0xc6/0x1e0 [ 2017.268196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2017.268196][ T10] [ 2027.315020][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2027.315783][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2027.315783][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.315783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.315783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.315783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.315783][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.315783][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.315783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.315783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.315783][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.315783][ T10] netlink_unicast+0x449/0x710 [ 2027.315783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.315783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.315783][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.315783][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.315783][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.315783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.315783][ T10] [ 2027.319026][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2027.319026][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.319026][ T10] ipv6_find_idev+0x102/0x170 [ 2027.319026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.319026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.319026][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.319026][ T10] netlink_unicast+0x449/0x710 [ 2027.319026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.319026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.319026][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.319026][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.319026][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.319026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.319026][ T10] [ 2027.321421][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2027.321421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.321421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.321421][ T10] ipv6_find_idev+0x102/0x170 [ 2027.321421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.321421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.321421][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.321421][ T10] netlink_unicast+0x449/0x710 [ 2027.321421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.321421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.321421][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.321421][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.321421][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.321421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.321421][ T10] [ 2027.323728][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2027.324141][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2027.324141][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.324141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.324141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.324141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.324141][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.324141][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.324141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.324141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.324141][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.324141][ T10] netlink_unicast+0x449/0x710 [ 2027.324141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.324141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.324141][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.324141][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.324141][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.324141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.324141][ T10] [ 2027.326858][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2027.326858][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.326858][ T10] ipv6_find_idev+0x102/0x170 [ 2027.326858][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.326858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.326858][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.326858][ T10] netlink_unicast+0x449/0x710 [ 2027.326858][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.326858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.326858][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.326858][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.326858][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.326858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.326858][ T10] [ 2027.328947][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2027.328947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.328947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.328947][ T10] ipv6_find_idev+0x102/0x170 [ 2027.328947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.328947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.328947][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.328947][ T10] netlink_unicast+0x449/0x710 [ 2027.328947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.328947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.328947][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.328947][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.328947][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.328947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.328947][ T10] [ 2027.331364][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2027.331733][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2027.331733][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.331733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.331733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.331733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.331733][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.331733][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.331733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.331733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.331733][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.331733][ T10] netlink_unicast+0x449/0x710 [ 2027.331733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.331733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.331733][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.331733][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.331733][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.331733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.331733][ T10] [ 2027.334669][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2027.334669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.334669][ T10] ipv6_find_idev+0x102/0x170 [ 2027.334669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.334669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.334669][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.334669][ T10] netlink_unicast+0x449/0x710 [ 2027.334669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.334669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.334669][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.334669][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.334669][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.334669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.334669][ T10] [ 2027.336911][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2027.336911][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.336911][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.336911][ T10] ipv6_find_idev+0x102/0x170 [ 2027.336911][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.336911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.336911][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.336911][ T10] netlink_unicast+0x449/0x710 [ 2027.336911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.336911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.336911][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.336911][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.336911][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.336911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.336911][ T10] [ 2027.339236][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2027.339611][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2027.339611][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.339611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.339611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.339611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.339611][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.339611][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.339611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.339611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.339611][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.339611][ T10] netlink_unicast+0x449/0x710 [ 2027.339611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.339611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.339611][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.339611][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.339611][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.339611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.339611][ T10] [ 2027.342223][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2027.342223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.342223][ T10] ipv6_find_idev+0x102/0x170 [ 2027.342223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.342223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.342223][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.342223][ T10] netlink_unicast+0x449/0x710 [ 2027.342223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.342223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.342223][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.342223][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.342223][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.342223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.342223][ T10] [ 2027.344281][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2027.344281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.344281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.344281][ T10] ipv6_find_idev+0x102/0x170 [ 2027.344281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.344281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.344281][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.344281][ T10] netlink_unicast+0x449/0x710 [ 2027.344281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.344281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.344281][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.344281][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.344281][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.344281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.344281][ T10] [ 2027.347455][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2027.348604][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2027.348604][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.348604][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.348604][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.348604][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.348604][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.348604][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.348604][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.348604][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.348604][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.348604][ T10] netlink_unicast+0x449/0x710 [ 2027.348604][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.348604][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.348604][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.348604][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.348604][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.348604][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.348604][ T10] [ 2027.351335][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2027.351335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.351335][ T10] ipv6_find_idev+0x102/0x170 [ 2027.351335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.351335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.351335][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.351335][ T10] netlink_unicast+0x449/0x710 [ 2027.351335][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.351335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.351335][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.351335][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.351335][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.351335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.351335][ T10] [ 2027.353630][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2027.353630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.353630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.353630][ T10] ipv6_find_idev+0x102/0x170 [ 2027.353630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.353630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.353630][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.353630][ T10] netlink_unicast+0x449/0x710 [ 2027.353630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.353630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.353630][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.353630][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.353630][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.353630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.353630][ T10] [ 2027.356118][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2027.356518][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2027.356518][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.356518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.356518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.356518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.356518][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.356518][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.356518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.356518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.356518][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.356518][ T10] netlink_unicast+0x449/0x710 [ 2027.356518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.356518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.356518][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.356518][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.356518][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.356518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.356518][ T10] [ 2027.359275][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2027.359275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.359275][ T10] ipv6_find_idev+0x102/0x170 [ 2027.359275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.359275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.359275][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.359275][ T10] netlink_unicast+0x449/0x710 [ 2027.359275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.359275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.359275][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.359275][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.359275][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.359275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.359275][ T10] [ 2027.361453][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2027.361453][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.361453][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.361453][ T10] ipv6_find_idev+0x102/0x170 [ 2027.361453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.361453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.361453][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.361453][ T10] netlink_unicast+0x449/0x710 [ 2027.361453][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.361453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.361453][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.361453][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.361453][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.361453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.361453][ T10] [ 2027.364585][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2027.365082][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2027.365082][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.365082][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.365082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.365082][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.365082][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.365082][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.365082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.365082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.365082][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.365082][ T10] netlink_unicast+0x449/0x710 [ 2027.365082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.365082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.365082][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.365082][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.365082][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.365082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.365082][ T10] [ 2027.368149][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2027.368149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.368149][ T10] ipv6_find_idev+0x102/0x170 [ 2027.368149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.368149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.368149][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.368149][ T10] netlink_unicast+0x449/0x710 [ 2027.368149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.368149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.368149][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.368149][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.368149][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.368149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.368149][ T10] [ 2027.370607][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2027.370607][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.370607][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.370607][ T10] ipv6_find_idev+0x102/0x170 [ 2027.370607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.370607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.370607][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.370607][ T10] netlink_unicast+0x449/0x710 [ 2027.370607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.370607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.370607][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.370607][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.370607][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.370607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.370607][ T10] [ 2027.373280][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2027.373755][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2027.373755][ T10] netdev_get_by_index+0x5e/0x80 [ 2027.373755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2027.373755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2027.373755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2027.373755][ T10] ipv6_add_addr+0x411/0x2000 [ 2027.373755][ T10] inet6_addr_add+0x30e/0xa40 [ 2027.373755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2027.373755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.373755][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.373755][ T10] netlink_unicast+0x449/0x710 [ 2027.373755][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.373755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.373755][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.373755][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.373755][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.373755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.373755][ T10] [ 2027.377006][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2027.377006][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2027.377006][ T10] ipv6_find_idev+0x102/0x170 [ 2027.377006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.377006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.377006][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.377006][ T10] netlink_unicast+0x449/0x710 [ 2027.377006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.377006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.377006][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.377006][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.377006][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.377006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.377006][ T10] [ 2027.379413][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2027.379413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2027.379413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2027.379413][ T10] ipv6_find_idev+0x102/0x170 [ 2027.379413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2027.379413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2027.379413][ T10] netlink_rcv_skb+0x130/0x360 [ 2027.379413][ T10] netlink_unicast+0x449/0x710 [ 2027.379413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2027.379413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2027.379413][ T10] ___sys_sendmsg+0xee/0x170 [ 2027.379413][ T10] __sys_sendmsg+0xcd/0x170 [ 2027.379413][ T10] do_syscall_64+0xc6/0x1e0 [ 2027.379413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2027.379413][ T10] [ 2037.499015][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2037.499522][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2037.499522][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.499522][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.499522][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.499522][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.499522][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.499522][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.499522][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.499522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.499522][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.499522][ T10] netlink_unicast+0x449/0x710 [ 2037.499522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.499522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.499522][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.499522][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.499522][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.499522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.499522][ T10] [ 2037.501535][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2037.501535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.501535][ T10] ipv6_find_idev+0x102/0x170 [ 2037.501535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.501535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.501535][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.501535][ T10] netlink_unicast+0x449/0x710 [ 2037.501535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.501535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.501535][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.501535][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.501535][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.501535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.501535][ T10] [ 2037.503076][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2037.503076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.503076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.503076][ T10] ipv6_find_idev+0x102/0x170 [ 2037.503076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.503076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.503076][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.503076][ T10] netlink_unicast+0x449/0x710 [ 2037.503076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.503076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.503076][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.503076][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.503076][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.503076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.503076][ T10] [ 2037.504797][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2037.505091][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2037.505091][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.505091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.505091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.505091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.505091][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.505091][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.505091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.505091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.505091][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.505091][ T10] netlink_unicast+0x449/0x710 [ 2037.505091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.505091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.505091][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.505091][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.505091][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.505091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.505091][ T10] [ 2037.507076][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2037.507076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.507076][ T10] ipv6_find_idev+0x102/0x170 [ 2037.507076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.507076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.507076][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.507076][ T10] netlink_unicast+0x449/0x710 [ 2037.507076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.507076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.507076][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.507076][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.507076][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.507076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.507076][ T10] [ 2037.508605][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2037.508605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.508605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.508605][ T10] ipv6_find_idev+0x102/0x170 [ 2037.508605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.508605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.508605][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.508605][ T10] netlink_unicast+0x449/0x710 [ 2037.508605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.508605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.508605][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.508605][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.508605][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.508605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.508605][ T10] [ 2037.510288][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2037.510552][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2037.510552][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.510552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.510552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.510552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.510552][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.510552][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.510552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.510552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.510552][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.510552][ T10] netlink_unicast+0x449/0x710 [ 2037.510552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.510552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.510552][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.510552][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.510552][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.510552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.510552][ T10] [ 2037.512550][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2037.512550][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.512550][ T10] ipv6_find_idev+0x102/0x170 [ 2037.512550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.512550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.512550][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.512550][ T10] netlink_unicast+0x449/0x710 [ 2037.512550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.512550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.512550][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.512550][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.512550][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.512550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.512550][ T10] [ 2037.514080][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2037.514080][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.514080][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.514080][ T10] ipv6_find_idev+0x102/0x170 [ 2037.514080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.514080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.514080][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.514080][ T10] netlink_unicast+0x449/0x710 [ 2037.514080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.514080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.514080][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.514080][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.514080][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.514080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.514080][ T10] [ 2037.515756][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2037.516471][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2037.516471][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.516471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.516471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.516471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.516471][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.516471][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.516471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.516471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.516471][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.516471][ T10] netlink_unicast+0x449/0x710 [ 2037.516471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.516471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.516471][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.516471][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.516471][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.516471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.516471][ T10] [ 2037.518448][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2037.518448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.518448][ T10] ipv6_find_idev+0x102/0x170 [ 2037.518448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.518448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.518448][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.518448][ T10] netlink_unicast+0x449/0x710 [ 2037.518448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.518448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.518448][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.518448][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.518448][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.518448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.518448][ T10] [ 2037.519969][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2037.519969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.519969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.519969][ T10] ipv6_find_idev+0x102/0x170 [ 2037.519969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.519969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.519969][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.519969][ T10] netlink_unicast+0x449/0x710 [ 2037.519969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.519969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.519969][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.519969][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.519969][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.519969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.519969][ T10] [ 2037.521693][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2037.522011][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2037.522011][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.522011][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.522011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.522011][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.522011][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.522011][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.522011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.522011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.522011][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.522011][ T10] netlink_unicast+0x449/0x710 [ 2037.522011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.522011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.522011][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.522011][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.522011][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.522011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.522011][ T10] [ 2037.523992][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2037.523992][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.523992][ T10] ipv6_find_idev+0x102/0x170 [ 2037.523992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.523992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.523992][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.523992][ T10] netlink_unicast+0x449/0x710 [ 2037.523992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.523992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.523992][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.523992][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.523992][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.523992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.523992][ T10] [ 2037.525525][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2037.525525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.525525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.525525][ T10] ipv6_find_idev+0x102/0x170 [ 2037.525525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.525525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.525525][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.525525][ T10] netlink_unicast+0x449/0x710 [ 2037.525525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.525525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.525525][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.525525][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.525525][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.525525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.525525][ T10] [ 2037.527240][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2037.527553][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2037.527553][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.527553][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.527553][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.527553][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.527553][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.527553][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.527553][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.527553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.527553][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.527553][ T10] netlink_unicast+0x449/0x710 [ 2037.527553][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.527553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.527553][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.527553][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.527553][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.527553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.527553][ T10] [ 2037.529536][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2037.529536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.529536][ T10] ipv6_find_idev+0x102/0x170 [ 2037.529536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.529536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.529536][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.529536][ T10] netlink_unicast+0x449/0x710 [ 2037.529536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.529536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.529536][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.529536][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.529536][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.529536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.529536][ T10] [ 2037.531248][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2037.531248][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.531248][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.531248][ T10] ipv6_find_idev+0x102/0x170 [ 2037.531248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.531248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.531248][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.531248][ T10] netlink_unicast+0x449/0x710 [ 2037.531248][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.531248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.531248][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.531248][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.531248][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.531248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.531248][ T10] [ 2037.533146][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2037.533456][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2037.533456][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.533456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.533456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.533456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.533456][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.533456][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.533456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.533456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.533456][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.533456][ T10] netlink_unicast+0x449/0x710 [ 2037.533456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.533456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.533456][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.533456][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.533456][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.533456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.533456][ T10] [ 2037.535682][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2037.535682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.535682][ T10] ipv6_find_idev+0x102/0x170 [ 2037.535682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.535682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.535682][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.535682][ T10] netlink_unicast+0x449/0x710 [ 2037.535682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.535682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.535682][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.535682][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.535682][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.535682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.535682][ T10] [ 2037.537396][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2037.537396][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.537396][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.537396][ T10] ipv6_find_idev+0x102/0x170 [ 2037.537396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.537396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.537396][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.537396][ T10] netlink_unicast+0x449/0x710 [ 2037.537396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.537396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.537396][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.537396][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.537396][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.537396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.537396][ T10] [ 2037.539387][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2037.539706][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2037.539706][ T10] netdev_get_by_index+0x5e/0x80 [ 2037.539706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2037.539706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2037.539706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2037.539706][ T10] ipv6_add_addr+0x411/0x2000 [ 2037.539706][ T10] inet6_addr_add+0x30e/0xa40 [ 2037.539706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2037.539706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.539706][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.539706][ T10] netlink_unicast+0x449/0x710 [ 2037.539706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.539706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.539706][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.539706][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.539706][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.539706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.539706][ T10] [ 2037.541861][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2037.541861][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2037.541861][ T10] ipv6_find_idev+0x102/0x170 [ 2037.541861][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.541861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.541861][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.541861][ T10] netlink_unicast+0x449/0x710 [ 2037.541861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.541861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.541861][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.541861][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.541861][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.541861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.541861][ T10] [ 2037.543568][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2037.543568][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2037.543568][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2037.543568][ T10] ipv6_find_idev+0x102/0x170 [ 2037.543568][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2037.543568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2037.543568][ T10] netlink_rcv_skb+0x130/0x360 [ 2037.543568][ T10] netlink_unicast+0x449/0x710 [ 2037.543568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2037.543568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2037.543568][ T10] ___sys_sendmsg+0xee/0x170 [ 2037.543568][ T10] __sys_sendmsg+0xcd/0x170 [ 2037.543568][ T10] do_syscall_64+0xc6/0x1e0 [ 2037.543568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2037.543568][ T10] [ 2047.610949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2047.611380][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2047.611380][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.611380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.611380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.611380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.611380][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.611380][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.611380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.611380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.611380][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.611380][ T10] netlink_unicast+0x449/0x710 [ 2047.611380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.611380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.611380][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.611380][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.611380][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.611380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.611380][ T10] [ 2047.613391][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2047.613391][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.613391][ T10] ipv6_find_idev+0x102/0x170 [ 2047.613391][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.613391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.613391][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.613391][ T10] netlink_unicast+0x449/0x710 [ 2047.613391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.613391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.613391][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.613391][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.613391][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.613391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.613391][ T10] [ 2047.614928][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2047.614928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.614928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.614928][ T10] ipv6_find_idev+0x102/0x170 [ 2047.614928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.614928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.614928][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.614928][ T10] netlink_unicast+0x449/0x710 [ 2047.614928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.614928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.614928][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.614928][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.614928][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.614928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.614928][ T10] [ 2047.616633][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2047.616915][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2047.616915][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.616915][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.616915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.616915][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.616915][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.616915][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.616915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.616915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.616915][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.616915][ T10] netlink_unicast+0x449/0x710 [ 2047.616915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.616915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.616915][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.616915][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.616915][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.616915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.616915][ T10] [ 2047.619019][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2047.619019][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.619019][ T10] ipv6_find_idev+0x102/0x170 [ 2047.619019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.619019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.619019][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.619019][ T10] netlink_unicast+0x449/0x710 [ 2047.619019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.619019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.619019][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.619019][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.619019][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.619019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.619019][ T10] [ 2047.620559][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2047.620559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.620559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.620559][ T10] ipv6_find_idev+0x102/0x170 [ 2047.620559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.620559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.620559][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.620559][ T10] netlink_unicast+0x449/0x710 [ 2047.620559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.620559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.620559][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.620559][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.620559][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.620559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.620559][ T10] [ 2047.622246][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2047.622510][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2047.622510][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.622510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.622510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.622510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.622510][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.622510][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.622510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.622510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.622510][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.622510][ T10] netlink_unicast+0x449/0x710 [ 2047.622510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.622510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.622510][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.622510][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.622510][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.622510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.622510][ T10] [ 2047.624511][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2047.624511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.624511][ T10] ipv6_find_idev+0x102/0x170 [ 2047.624511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.624511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.624511][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.624511][ T10] netlink_unicast+0x449/0x710 [ 2047.624511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.624511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.624511][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.624511][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.624511][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.624511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.624511][ T10] [ 2047.626041][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2047.626041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.626041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.626041][ T10] ipv6_find_idev+0x102/0x170 [ 2047.626041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.626041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.626041][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.626041][ T10] netlink_unicast+0x449/0x710 [ 2047.626041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.626041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.626041][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.626041][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.626041][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.626041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.626041][ T10] [ 2047.627727][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2047.628445][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2047.628445][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.628445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.628445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.628445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.628445][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.628445][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.628445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.628445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.628445][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.628445][ T10] netlink_unicast+0x449/0x710 [ 2047.628445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.628445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.628445][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.628445][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.628445][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.628445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.628445][ T10] [ 2047.630418][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2047.630418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.630418][ T10] ipv6_find_idev+0x102/0x170 [ 2047.630418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.630418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.630418][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.630418][ T10] netlink_unicast+0x449/0x710 [ 2047.630418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.630418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.630418][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.630418][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.630418][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.630418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.630418][ T10] [ 2047.631946][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2047.631946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.631946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.631946][ T10] ipv6_find_idev+0x102/0x170 [ 2047.631946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.631946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.631946][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.631946][ T10] netlink_unicast+0x449/0x710 [ 2047.631946][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.631946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.631946][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.631946][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.631946][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.631946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.631946][ T10] [ 2047.633676][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2047.633999][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2047.633999][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.633999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.633999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.633999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.633999][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.633999][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.633999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.633999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.633999][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.633999][ T10] netlink_unicast+0x449/0x710 [ 2047.633999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.633999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.633999][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.633999][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.633999][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.633999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.633999][ T10] [ 2047.635977][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2047.635977][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.635977][ T10] ipv6_find_idev+0x102/0x170 [ 2047.635977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.635977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.635977][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.635977][ T10] netlink_unicast+0x449/0x710 [ 2047.635977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.635977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.635977][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.635977][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.635977][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.635977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.635977][ T10] [ 2047.637503][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2047.637503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.637503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.637503][ T10] ipv6_find_idev+0x102/0x170 [ 2047.637503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.637503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.637503][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.637503][ T10] netlink_unicast+0x449/0x710 [ 2047.637503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.637503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.637503][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.637503][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.637503][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.637503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.637503][ T10] [ 2047.639224][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2047.639534][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2047.639534][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.639534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.639534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.639534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.639534][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.639534][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.639534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.639534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.639534][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.639534][ T10] netlink_unicast+0x449/0x710 [ 2047.639534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.639534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.639534][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.639534][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.639534][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.639534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.639534][ T10] [ 2047.641535][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2047.641535][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.641535][ T10] ipv6_find_idev+0x102/0x170 [ 2047.641535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.641535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.641535][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.641535][ T10] netlink_unicast+0x449/0x710 [ 2047.641535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.641535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.641535][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.641535][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.641535][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.641535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.641535][ T10] [ 2047.643271][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2047.643271][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.643271][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.643271][ T10] ipv6_find_idev+0x102/0x170 [ 2047.643271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.643271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.643271][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.643271][ T10] netlink_unicast+0x449/0x710 [ 2047.643271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.643271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.643271][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.643271][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.643271][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.643271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.643271][ T10] [ 2047.645180][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2047.645486][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2047.645486][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.645486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.645486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.645486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.645486][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.645486][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.645486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.645486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.645486][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.645486][ T10] netlink_unicast+0x449/0x710 [ 2047.645486][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.645486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.645486][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.645486][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.645486][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.645486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.645486][ T10] [ 2047.647657][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2047.647657][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.647657][ T10] ipv6_find_idev+0x102/0x170 [ 2047.647657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.647657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.647657][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.647657][ T10] netlink_unicast+0x449/0x710 [ 2047.647657][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.647657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.647657][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.647657][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.647657][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.647657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.647657][ T10] [ 2047.649428][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2047.649428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.649428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.649428][ T10] ipv6_find_idev+0x102/0x170 [ 2047.649428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.649428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.649428][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.649428][ T10] netlink_unicast+0x449/0x710 [ 2047.649428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.649428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.649428][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.649428][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.649428][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.649428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.649428][ T10] [ 2047.651393][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2047.651699][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2047.651699][ T10] netdev_get_by_index+0x5e/0x80 [ 2047.651699][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2047.651699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2047.651699][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2047.651699][ T10] ipv6_add_addr+0x411/0x2000 [ 2047.651699][ T10] inet6_addr_add+0x30e/0xa40 [ 2047.651699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2047.651699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.651699][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.651699][ T10] netlink_unicast+0x449/0x710 [ 2047.651699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.651699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.651699][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.651699][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.651699][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.651699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.651699][ T10] [ 2047.653883][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2047.653883][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2047.653883][ T10] ipv6_find_idev+0x102/0x170 [ 2047.653883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.653883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.653883][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.653883][ T10] netlink_unicast+0x449/0x710 [ 2047.653883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.653883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.653883][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.653883][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.653883][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.653883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.653883][ T10] [ 2047.655587][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2047.655587][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2047.655587][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2047.655587][ T10] ipv6_find_idev+0x102/0x170 [ 2047.655587][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2047.655587][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2047.655587][ T10] netlink_rcv_skb+0x130/0x360 [ 2047.655587][ T10] netlink_unicast+0x449/0x710 [ 2047.655587][ T10] netlink_sendmsg+0x723/0xbe0 [ 2047.655587][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2047.655587][ T10] ___sys_sendmsg+0xee/0x170 [ 2047.655587][ T10] __sys_sendmsg+0xcd/0x170 [ 2047.655587][ T10] do_syscall_64+0xc6/0x1e0 [ 2047.655587][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2047.655587][ T10] [ 2057.690980][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2057.691383][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2057.691383][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.691383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.691383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.691383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.691383][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.691383][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.691383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.691383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.691383][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.691383][ T10] netlink_unicast+0x449/0x710 [ 2057.691383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.691383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.691383][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.691383][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.691383][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.691383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.691383][ T10] [ 2057.693491][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2057.693491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.693491][ T10] ipv6_find_idev+0x102/0x170 [ 2057.693491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.693491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.693491][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.693491][ T10] netlink_unicast+0x449/0x710 [ 2057.693491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.693491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.693491][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.693491][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.693491][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.693491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.693491][ T10] [ 2057.695001][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2057.695001][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.695001][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.695001][ T10] ipv6_find_idev+0x102/0x170 [ 2057.695001][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.695001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.695001][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.695001][ T10] netlink_unicast+0x449/0x710 [ 2057.695001][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.695001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.695001][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.695001][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.695001][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.695001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.695001][ T10] [ 2057.696679][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2057.696964][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2057.696964][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.696964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.696964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.696964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.696964][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.696964][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.696964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.696964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.696964][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.696964][ T10] netlink_unicast+0x449/0x710 [ 2057.696964][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.696964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.696964][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.696964][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.696964][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.696964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.696964][ T10] [ 2057.698918][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2057.698918][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.698918][ T10] ipv6_find_idev+0x102/0x170 [ 2057.698918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.698918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.698918][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.698918][ T10] netlink_unicast+0x449/0x710 [ 2057.698918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.698918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.698918][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.698918][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.698918][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.698918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.698918][ T10] [ 2057.700426][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2057.700426][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.700426][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.700426][ T10] ipv6_find_idev+0x102/0x170 [ 2057.700426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.700426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.700426][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.700426][ T10] netlink_unicast+0x449/0x710 [ 2057.700426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.700426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.700426][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.700426][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.700426][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.700426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.700426][ T10] [ 2057.702073][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2057.702330][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2057.702330][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.702330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.702330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.702330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.702330][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.702330][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.702330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.702330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.702330][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.702330][ T10] netlink_unicast+0x449/0x710 [ 2057.702330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.702330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.702330][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.702330][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.702330][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.702330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.702330][ T10] [ 2057.704285][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2057.704285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.704285][ T10] ipv6_find_idev+0x102/0x170 [ 2057.704285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.704285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.704285][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.704285][ T10] netlink_unicast+0x449/0x710 [ 2057.704285][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.704285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.704285][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.704285][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.704285][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.704285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.704285][ T10] [ 2057.705812][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2057.705812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.705812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.705812][ T10] ipv6_find_idev+0x102/0x170 [ 2057.705812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.705812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.705812][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.705812][ T10] netlink_unicast+0x449/0x710 [ 2057.705812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.705812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.705812][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.705812][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.705812][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.705812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.705812][ T10] [ 2057.707513][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2057.707776][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2057.707776][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.707776][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.707776][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.707776][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.707776][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.707776][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.707776][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.707776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.707776][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.707776][ T10] netlink_unicast+0x449/0x710 [ 2057.707776][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.707776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.707776][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.707776][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.707776][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.707776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.707776][ T10] [ 2057.709730][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2057.709730][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.709730][ T10] ipv6_find_idev+0x102/0x170 [ 2057.709730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.709730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.709730][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.709730][ T10] netlink_unicast+0x449/0x710 [ 2057.709730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.709730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.709730][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.709730][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.709730][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.709730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.709730][ T10] [ 2057.711240][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2057.711240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.711240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.711240][ T10] ipv6_find_idev+0x102/0x170 [ 2057.711240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.711240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.711240][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.711240][ T10] netlink_unicast+0x449/0x710 [ 2057.711240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.711240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.711240][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.711240][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.711240][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.711240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.711240][ T10] [ 2057.713301][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2057.713565][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2057.713565][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.713565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.713565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.713565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.713565][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.713565][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.713565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.713565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.713565][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.713565][ T10] netlink_unicast+0x449/0x710 [ 2057.713565][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.713565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.713565][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.713565][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.713565][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.713565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.713565][ T10] [ 2057.715515][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2057.715515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.715515][ T10] ipv6_find_idev+0x102/0x170 [ 2057.715515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.715515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.715515][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.715515][ T10] netlink_unicast+0x449/0x710 [ 2057.715515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.715515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.715515][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.715515][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.715515][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.715515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.715515][ T10] [ 2057.717017][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2057.717017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.717017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.717017][ T10] ipv6_find_idev+0x102/0x170 [ 2057.717017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.717017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.717017][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.717017][ T10] netlink_unicast+0x449/0x710 [ 2057.717017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.717017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.717017][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.717017][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.717017][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.717017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.717017][ T10] [ 2057.718712][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2057.719031][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2057.719031][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.719031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.719031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.719031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.719031][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.719031][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.719031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.719031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.719031][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.719031][ T10] netlink_unicast+0x449/0x710 [ 2057.719031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.719031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.719031][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.719031][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.719031][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.719031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.719031][ T10] [ 2057.721125][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2057.721125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.721125][ T10] ipv6_find_idev+0x102/0x170 [ 2057.721125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.721125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.721125][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.721125][ T10] netlink_unicast+0x449/0x710 [ 2057.721125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.721125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.721125][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.721125][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.721125][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.721125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.721125][ T10] [ 2057.722807][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2057.722807][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.722807][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.722807][ T10] ipv6_find_idev+0x102/0x170 [ 2057.722807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.722807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.722807][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.722807][ T10] netlink_unicast+0x449/0x710 [ 2057.722807][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.722807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.722807][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.722807][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.722807][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.722807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.722807][ T10] [ 2057.724790][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2057.725105][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2057.725105][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.725105][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.725105][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.725105][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.725105][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.725105][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.725105][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.725105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.725105][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.725105][ T10] netlink_unicast+0x449/0x710 [ 2057.725105][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.725105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.725105][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.725105][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.725105][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.725105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.725105][ T10] [ 2057.727235][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2057.727235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.727235][ T10] ipv6_find_idev+0x102/0x170 [ 2057.727235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.727235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.727235][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.727235][ T10] netlink_unicast+0x449/0x710 [ 2057.727235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.727235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.727235][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.727235][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.727235][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.727235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.727235][ T10] [ 2057.729849][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2057.729849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.729849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.729849][ T10] ipv6_find_idev+0x102/0x170 [ 2057.729849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.729849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.729849][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.729849][ T10] netlink_unicast+0x449/0x710 [ 2057.729849][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.729849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.729849][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.729849][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.729849][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.729849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.729849][ T10] [ 2057.733104][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2057.733607][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2057.733607][ T10] netdev_get_by_index+0x5e/0x80 [ 2057.733607][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2057.733607][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2057.733607][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2057.733607][ T10] ipv6_add_addr+0x411/0x2000 [ 2057.733607][ T10] inet6_addr_add+0x30e/0xa40 [ 2057.733607][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2057.733607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.733607][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.733607][ T10] netlink_unicast+0x449/0x710 [ 2057.733607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.733607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.733607][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.733607][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.733607][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.733607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.733607][ T10] [ 2057.737354][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2057.737354][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2057.737354][ T10] ipv6_find_idev+0x102/0x170 [ 2057.737354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.737354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.737354][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.737354][ T10] netlink_unicast+0x449/0x710 [ 2057.737354][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.737354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.737354][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.737354][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.737354][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.737354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.737354][ T10] [ 2057.740177][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2057.740177][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2057.740177][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2057.740177][ T10] ipv6_find_idev+0x102/0x170 [ 2057.740177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2057.740177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2057.740177][ T10] netlink_rcv_skb+0x130/0x360 [ 2057.740177][ T10] netlink_unicast+0x449/0x710 [ 2057.740177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2057.740177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2057.740177][ T10] ___sys_sendmsg+0xee/0x170 [ 2057.740177][ T10] __sys_sendmsg+0xcd/0x170 [ 2057.740177][ T10] do_syscall_64+0xc6/0x1e0 [ 2057.740177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2057.740177][ T10] [ 2067.746972][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2067.747500][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2067.747500][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.747500][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.747500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.747500][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.747500][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.747500][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.747500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.747500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.747500][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.747500][ T10] netlink_unicast+0x449/0x710 [ 2067.747500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.747500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.747500][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.747500][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.747500][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.747500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.747500][ T10] [ 2067.749747][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2067.749747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.749747][ T10] ipv6_find_idev+0x102/0x170 [ 2067.749747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.749747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.749747][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.749747][ T10] netlink_unicast+0x449/0x710 [ 2067.749747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.749747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.749747][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.749747][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.749747][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.749747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.749747][ T10] [ 2067.751478][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2067.751478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.751478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.751478][ T10] ipv6_find_idev+0x102/0x170 [ 2067.751478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.751478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.751478][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.751478][ T10] netlink_unicast+0x449/0x710 [ 2067.751478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.751478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.751478][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.751478][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.751478][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.751478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.751478][ T10] [ 2067.753410][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2067.753707][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2067.753707][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.753707][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.753707][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.753707][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.753707][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.753707][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.753707][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.753707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.753707][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.753707][ T10] netlink_unicast+0x449/0x710 [ 2067.753707][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.753707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.753707][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.753707][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.753707][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.753707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.753707][ T10] [ 2067.755948][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2067.755948][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.755948][ T10] ipv6_find_idev+0x102/0x170 [ 2067.755948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.755948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.755948][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.755948][ T10] netlink_unicast+0x449/0x710 [ 2067.755948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.755948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.755948][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.755948][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.755948][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.755948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.755948][ T10] [ 2067.757677][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2067.757677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.757677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.757677][ T10] ipv6_find_idev+0x102/0x170 [ 2067.757677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.757677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.757677][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.757677][ T10] netlink_unicast+0x449/0x710 [ 2067.757677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.757677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.757677][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.757677][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.757677][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.757677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.757677][ T10] [ 2067.759583][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2067.759880][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2067.759880][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.759880][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.759880][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.759880][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.759880][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.759880][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.759880][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.759880][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.759880][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.759880][ T10] netlink_unicast+0x449/0x710 [ 2067.759880][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.759880][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.759880][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.759880][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.759880][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.759880][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.759880][ T10] [ 2067.762091][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2067.762091][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.762091][ T10] ipv6_find_idev+0x102/0x170 [ 2067.762091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.762091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.762091][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.762091][ T10] netlink_unicast+0x449/0x710 [ 2067.762091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.762091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.762091][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.762091][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.762091][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.762091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.762091][ T10] [ 2067.763830][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2067.763830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.763830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.763830][ T10] ipv6_find_idev+0x102/0x170 [ 2067.763830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.763830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.763830][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.763830][ T10] netlink_unicast+0x449/0x710 [ 2067.763830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.763830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.763830][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.763830][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.763830][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.763830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.763830][ T10] [ 2067.765707][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2067.766443][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2067.766443][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.766443][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.766443][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.766443][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.766443][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.766443][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.766443][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.766443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.766443][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.766443][ T10] netlink_unicast+0x449/0x710 [ 2067.766443][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.766443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.766443][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.766443][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.766443][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.766443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.766443][ T10] [ 2067.768689][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2067.768689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.768689][ T10] ipv6_find_idev+0x102/0x170 [ 2067.768689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.768689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.768689][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.768689][ T10] netlink_unicast+0x449/0x710 [ 2067.768689][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.768689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.768689][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.768689][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.768689][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.768689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.768689][ T10] [ 2067.770401][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2067.770401][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.770401][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.770401][ T10] ipv6_find_idev+0x102/0x170 [ 2067.770401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.770401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.770401][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.770401][ T10] netlink_unicast+0x449/0x710 [ 2067.770401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.770401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.770401][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.770401][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.770401][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.770401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.770401][ T10] [ 2067.772354][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2067.772696][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2067.772696][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.772696][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.772696][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.772696][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.772696][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.772696][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.772696][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.772696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.772696][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.772696][ T10] netlink_unicast+0x449/0x710 [ 2067.772696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.772696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.772696][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.772696][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.772696][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.772696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.772696][ T10] [ 2067.774950][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2067.774950][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.774950][ T10] ipv6_find_idev+0x102/0x170 [ 2067.774950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.774950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.774950][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.774950][ T10] netlink_unicast+0x449/0x710 [ 2067.774950][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.774950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.774950][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.774950][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.774950][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.774950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.774950][ T10] [ 2067.776685][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2067.776685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.776685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.776685][ T10] ipv6_find_idev+0x102/0x170 [ 2067.776685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.776685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.776685][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.776685][ T10] netlink_unicast+0x449/0x710 [ 2067.776685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.776685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.776685][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.776685][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.776685][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.776685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.776685][ T10] [ 2067.778610][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2067.778957][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2067.778957][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.778957][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.778957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.778957][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.778957][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.778957][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.778957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.778957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.778957][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.778957][ T10] netlink_unicast+0x449/0x710 [ 2067.778957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.778957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.778957][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.778957][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.778957][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.778957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.778957][ T10] [ 2067.781154][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2067.781154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.781154][ T10] ipv6_find_idev+0x102/0x170 [ 2067.781154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.781154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.781154][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.781154][ T10] netlink_unicast+0x449/0x710 [ 2067.781154][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.781154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.781154][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.781154][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.781154][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.781154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.781154][ T10] [ 2067.783043][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2067.783043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.783043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.783043][ T10] ipv6_find_idev+0x102/0x170 [ 2067.783043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.783043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.783043][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.783043][ T10] netlink_unicast+0x449/0x710 [ 2067.783043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.783043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.783043][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.783043][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.783043][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.783043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.783043][ T10] [ 2067.785276][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2067.785611][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2067.785611][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.785611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.785611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.785611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.785611][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.785611][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.785611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.785611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.785611][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.785611][ T10] netlink_unicast+0x449/0x710 [ 2067.785611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.785611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.785611][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.785611][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.785611][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.785611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.785611][ T10] [ 2067.788037][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2067.788037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.788037][ T10] ipv6_find_idev+0x102/0x170 [ 2067.788037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.788037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.788037][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.788037][ T10] netlink_unicast+0x449/0x710 [ 2067.788037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.788037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.788037][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.788037][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.788037][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.788037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.788037][ T10] [ 2067.789878][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2067.789878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.789878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.789878][ T10] ipv6_find_idev+0x102/0x170 [ 2067.789878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.789878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.789878][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.789878][ T10] netlink_unicast+0x449/0x710 [ 2067.789878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.789878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.789878][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.789878][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.789878][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.789878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.789878][ T10] [ 2067.792046][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2067.792384][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2067.792384][ T10] netdev_get_by_index+0x5e/0x80 [ 2067.792384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2067.792384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2067.792384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2067.792384][ T10] ipv6_add_addr+0x411/0x2000 [ 2067.792384][ T10] inet6_addr_add+0x30e/0xa40 [ 2067.792384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2067.792384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.792384][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.792384][ T10] netlink_unicast+0x449/0x710 [ 2067.792384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.792384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.792384][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.792384][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.792384][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.792384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.792384][ T10] [ 2067.794824][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2067.794824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2067.794824][ T10] ipv6_find_idev+0x102/0x170 [ 2067.794824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.794824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.794824][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.794824][ T10] netlink_unicast+0x449/0x710 [ 2067.794824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.794824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.794824][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.794824][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.794824][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.794824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.794824][ T10] [ 2067.796783][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2067.796783][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2067.796783][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2067.796783][ T10] ipv6_find_idev+0x102/0x170 [ 2067.796783][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2067.796783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2067.796783][ T10] netlink_rcv_skb+0x130/0x360 [ 2067.796783][ T10] netlink_unicast+0x449/0x710 [ 2067.796783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2067.796783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2067.796783][ T10] ___sys_sendmsg+0xee/0x170 [ 2067.796783][ T10] __sys_sendmsg+0xcd/0x170 [ 2067.796783][ T10] do_syscall_64+0xc6/0x1e0 [ 2067.796783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2067.796783][ T10] [ 2078.034927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2078.035508][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2078.035508][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.035508][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.035508][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.035508][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.035508][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.035508][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.035508][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.035508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.035508][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.035508][ T10] netlink_unicast+0x449/0x710 [ 2078.035508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.035508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.035508][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.035508][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.035508][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.035508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.035508][ T10] [ 2078.037912][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2078.037912][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.037912][ T10] ipv6_find_idev+0x102/0x170 [ 2078.037912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.037912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.037912][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.037912][ T10] netlink_unicast+0x449/0x710 [ 2078.037912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.037912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.037912][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.037912][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.037912][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.037912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.037912][ T10] [ 2078.039738][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2078.039738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.039738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.039738][ T10] ipv6_find_idev+0x102/0x170 [ 2078.039738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.039738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.039738][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.039738][ T10] netlink_unicast+0x449/0x710 [ 2078.039738][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.039738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.039738][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.039738][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.039738][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.039738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.039738][ T10] [ 2078.041642][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2078.041949][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2078.041949][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.041949][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.041949][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.041949][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.041949][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.041949][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.041949][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.041949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.041949][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.041949][ T10] netlink_unicast+0x449/0x710 [ 2078.041949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.041949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.041949][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.041949][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.041949][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.041949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.041949][ T10] [ 2078.044280][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2078.044280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.044280][ T10] ipv6_find_idev+0x102/0x170 [ 2078.044280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.044280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.044280][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.044280][ T10] netlink_unicast+0x449/0x710 [ 2078.044280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.044280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.044280][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.044280][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.044280][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.044280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.044280][ T10] [ 2078.046099][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2078.046099][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.046099][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.046099][ T10] ipv6_find_idev+0x102/0x170 [ 2078.046099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.046099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.046099][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.046099][ T10] netlink_unicast+0x449/0x710 [ 2078.046099][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.046099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.046099][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.046099][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.046099][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.046099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.046099][ T10] [ 2078.048135][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2078.048428][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2078.048428][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.048428][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.048428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.048428][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.048428][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.048428][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.048428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.048428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.048428][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.048428][ T10] netlink_unicast+0x449/0x710 [ 2078.048428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.048428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.048428][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.048428][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.048428][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.048428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.048428][ T10] [ 2078.050751][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2078.050751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.050751][ T10] ipv6_find_idev+0x102/0x170 [ 2078.050751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.050751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.050751][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.050751][ T10] netlink_unicast+0x449/0x710 [ 2078.050751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.050751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.050751][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.050751][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.050751][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.050751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.050751][ T10] [ 2078.052576][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2078.052576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.052576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.052576][ T10] ipv6_find_idev+0x102/0x170 [ 2078.052576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.052576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.052576][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.052576][ T10] netlink_unicast+0x449/0x710 [ 2078.052576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.052576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.052576][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.052576][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.052576][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.052576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.052576][ T10] [ 2078.054487][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2078.054778][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2078.054778][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.054778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.054778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.054778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.054778][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.054778][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.054778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.054778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.054778][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.054778][ T10] netlink_unicast+0x449/0x710 [ 2078.054778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.054778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.054778][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.054778][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.054778][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.054778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.054778][ T10] [ 2078.057012][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2078.057012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.057012][ T10] ipv6_find_idev+0x102/0x170 [ 2078.057012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.057012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.057012][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.057012][ T10] netlink_unicast+0x449/0x710 [ 2078.057012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.057012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.057012][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.057012][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.057012][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.057012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.057012][ T10] [ 2078.058728][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2078.058728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.058728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.058728][ T10] ipv6_find_idev+0x102/0x170 [ 2078.058728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.058728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.058728][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.058728][ T10] netlink_unicast+0x449/0x710 [ 2078.058728][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.058728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.058728][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.058728][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.058728][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.058728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.058728][ T10] [ 2078.061145][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2078.061805][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2078.061805][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.061805][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.061805][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.061805][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.061805][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.061805][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.061805][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.061805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.061805][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.061805][ T10] netlink_unicast+0x449/0x710 [ 2078.061805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.061805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.061805][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.061805][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.061805][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.061805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.061805][ T10] [ 2078.064182][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2078.064182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.064182][ T10] ipv6_find_idev+0x102/0x170 [ 2078.064182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.064182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.064182][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.064182][ T10] netlink_unicast+0x449/0x710 [ 2078.064182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.064182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.064182][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.064182][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.064182][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.064182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.064182][ T10] [ 2078.066022][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2078.066022][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.066022][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.066022][ T10] ipv6_find_idev+0x102/0x170 [ 2078.066022][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.066022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.066022][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.066022][ T10] netlink_unicast+0x449/0x710 [ 2078.066022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.066022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.066022][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.066022][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.066022][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.066022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.066022][ T10] [ 2078.068004][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2078.068332][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2078.068332][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.068332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.068332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.068332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.068332][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.068332][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.068332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.068332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.068332][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.068332][ T10] netlink_unicast+0x449/0x710 [ 2078.068332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.068332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.068332][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.068332][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.068332][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.068332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.068332][ T10] [ 2078.070682][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2078.070682][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.070682][ T10] ipv6_find_idev+0x102/0x170 [ 2078.070682][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.070682][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.070682][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.070682][ T10] netlink_unicast+0x449/0x710 [ 2078.070682][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.070682][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.070682][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.070682][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.070682][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.070682][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.070682][ T10] [ 2078.072569][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2078.072569][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.072569][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.072569][ T10] ipv6_find_idev+0x102/0x170 [ 2078.072569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.072569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.072569][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.072569][ T10] netlink_unicast+0x449/0x710 [ 2078.072569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.072569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.072569][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.072569][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.072569][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.072569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.072569][ T10] [ 2078.074755][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2078.075110][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2078.075110][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.075110][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.075110][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.075110][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.075110][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.075110][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.075110][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.075110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.075110][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.075110][ T10] netlink_unicast+0x449/0x710 [ 2078.075110][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.075110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.075110][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.075110][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.075110][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.075110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.075110][ T10] [ 2078.077499][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2078.077499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.077499][ T10] ipv6_find_idev+0x102/0x170 [ 2078.077499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.077499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.077499][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.077499][ T10] netlink_unicast+0x449/0x710 [ 2078.077499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.077499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.077499][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.077499][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.077499][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.077499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.077499][ T10] [ 2078.079467][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2078.079467][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.079467][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.079467][ T10] ipv6_find_idev+0x102/0x170 [ 2078.079467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.079467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.079467][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.079467][ T10] netlink_unicast+0x449/0x710 [ 2078.079467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.079467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.079467][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.079467][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.079467][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.079467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.079467][ T10] [ 2078.081657][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2078.082031][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2078.082031][ T10] netdev_get_by_index+0x5e/0x80 [ 2078.082031][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2078.082031][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2078.082031][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2078.082031][ T10] ipv6_add_addr+0x411/0x2000 [ 2078.082031][ T10] inet6_addr_add+0x30e/0xa40 [ 2078.082031][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2078.082031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.082031][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.082031][ T10] netlink_unicast+0x449/0x710 [ 2078.082031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.082031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.082031][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.082031][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.082031][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.082031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.082031][ T10] [ 2078.084616][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2078.084616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2078.084616][ T10] ipv6_find_idev+0x102/0x170 [ 2078.084616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.084616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.084616][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.084616][ T10] netlink_unicast+0x449/0x710 [ 2078.084616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.084616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.084616][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.084616][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.084616][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.084616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.084616][ T10] [ 2078.086583][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2078.086583][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2078.086583][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2078.086583][ T10] ipv6_find_idev+0x102/0x170 [ 2078.086583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2078.086583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2078.086583][ T10] netlink_rcv_skb+0x130/0x360 [ 2078.086583][ T10] netlink_unicast+0x449/0x710 [ 2078.086583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2078.086583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2078.086583][ T10] ___sys_sendmsg+0xee/0x170 [ 2078.086583][ T10] __sys_sendmsg+0xcd/0x170 [ 2078.086583][ T10] do_syscall_64+0xc6/0x1e0 [ 2078.086583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2078.086583][ T10] [ 2088.330910][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2088.331380][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2088.331380][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.331380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.331380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.331380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.331380][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.331380][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.331380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.331380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.331380][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.331380][ T10] netlink_unicast+0x449/0x710 [ 2088.331380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.331380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.331380][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.331380][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.331380][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.331380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.331380][ T10] [ 2088.333814][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2088.333814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.333814][ T10] ipv6_find_idev+0x102/0x170 [ 2088.333814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.333814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.333814][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.333814][ T10] netlink_unicast+0x449/0x710 [ 2088.333814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.333814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.333814][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.333814][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.333814][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.333814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.333814][ T10] [ 2088.335673][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2088.335673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.335673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.335673][ T10] ipv6_find_idev+0x102/0x170 [ 2088.335673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.335673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.335673][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.335673][ T10] netlink_unicast+0x449/0x710 [ 2088.335673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.335673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.335673][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.335673][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.335673][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.335673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.335673][ T10] [ 2088.337737][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2088.338063][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2088.338063][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.338063][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.338063][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.338063][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.338063][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.338063][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.338063][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.338063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.338063][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.338063][ T10] netlink_unicast+0x449/0x710 [ 2088.338063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.338063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.338063][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.338063][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.338063][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.338063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.338063][ T10] [ 2088.340456][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2088.340456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.340456][ T10] ipv6_find_idev+0x102/0x170 [ 2088.340456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.340456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.340456][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.340456][ T10] netlink_unicast+0x449/0x710 [ 2088.340456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.340456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.340456][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.340456][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.340456][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.340456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.340456][ T10] [ 2088.342302][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2088.342302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.342302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.342302][ T10] ipv6_find_idev+0x102/0x170 [ 2088.342302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.342302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.342302][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.342302][ T10] netlink_unicast+0x449/0x710 [ 2088.342302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.342302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.342302][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.342302][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.342302][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.342302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.342302][ T10] [ 2088.344357][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2088.344670][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2088.344670][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.344670][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.344670][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.344670][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.344670][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.344670][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.344670][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.344670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.344670][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.344670][ T10] netlink_unicast+0x449/0x710 [ 2088.344670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.344670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.344670][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.344670][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.344670][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.344670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.344670][ T10] [ 2088.347060][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2088.347060][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.347060][ T10] ipv6_find_idev+0x102/0x170 [ 2088.347060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.347060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.347060][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.347060][ T10] netlink_unicast+0x449/0x710 [ 2088.347060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.347060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.347060][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.347060][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.347060][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.347060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.347060][ T10] [ 2088.348901][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2088.348901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.348901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.348901][ T10] ipv6_find_idev+0x102/0x170 [ 2088.348901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.348901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.348901][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.348901][ T10] netlink_unicast+0x449/0x710 [ 2088.348901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.348901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.348901][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.348901][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.348901][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.348901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.348901][ T10] [ 2088.350931][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2088.351257][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2088.351257][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.351257][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.351257][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.351257][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.351257][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.351257][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.351257][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.351257][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.351257][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.351257][ T10] netlink_unicast+0x449/0x710 [ 2088.351257][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.351257][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.351257][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.351257][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.351257][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.351257][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.351257][ T10] [ 2088.353739][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2088.353739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.353739][ T10] ipv6_find_idev+0x102/0x170 [ 2088.353739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.353739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.353739][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.353739][ T10] netlink_unicast+0x449/0x710 [ 2088.353739][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.353739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.353739][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.353739][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.353739][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.353739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.353739][ T10] [ 2088.355632][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2088.355632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.355632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.355632][ T10] ipv6_find_idev+0x102/0x170 [ 2088.355632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.355632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.355632][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.355632][ T10] netlink_unicast+0x449/0x710 [ 2088.355632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.355632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.355632][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.355632][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.355632][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.355632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.355632][ T10] [ 2088.358117][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2088.358783][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2088.358783][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.358783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.358783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.358783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.358783][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.358783][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.358783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.358783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.358783][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.358783][ T10] netlink_unicast+0x449/0x710 [ 2088.358783][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.358783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.358783][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.358783][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.358783][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.358783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.358783][ T10] [ 2088.361235][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2088.361235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.361235][ T10] ipv6_find_idev+0x102/0x170 [ 2088.361235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.361235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.361235][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.361235][ T10] netlink_unicast+0x449/0x710 [ 2088.361235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.361235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.361235][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.361235][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.361235][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.361235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.361235][ T10] [ 2088.363135][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2088.363135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.363135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.363135][ T10] ipv6_find_idev+0x102/0x170 [ 2088.363135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.363135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.363135][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.363135][ T10] netlink_unicast+0x449/0x710 [ 2088.363135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.363135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.363135][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.363135][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.363135][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.363135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.363135][ T10] [ 2088.365234][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2088.365558][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2088.365558][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.365558][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.365558][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.365558][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.365558][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.365558][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.365558][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.365558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.365558][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.365558][ T10] netlink_unicast+0x449/0x710 [ 2088.365558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.365558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.365558][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.365558][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.365558][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.365558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.365558][ T10] [ 2088.367942][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2088.367942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.367942][ T10] ipv6_find_idev+0x102/0x170 [ 2088.367942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.367942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.367942][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.367942][ T10] netlink_unicast+0x449/0x710 [ 2088.367942][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.367942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.367942][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.367942][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.367942][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.367942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.367942][ T10] [ 2088.369709][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2088.369709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.369709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.369709][ T10] ipv6_find_idev+0x102/0x170 [ 2088.369709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.369709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.369709][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.369709][ T10] netlink_unicast+0x449/0x710 [ 2088.369709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.369709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.369709][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.369709][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.369709][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.369709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.369709][ T10] [ 2088.371876][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2088.372213][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2088.372213][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.372213][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.372213][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.372213][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.372213][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.372213][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.372213][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.372213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.372213][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.372213][ T10] netlink_unicast+0x449/0x710 [ 2088.372213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.372213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.372213][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.372213][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.372213][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.372213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.372213][ T10] [ 2088.374779][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2088.374779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.374779][ T10] ipv6_find_idev+0x102/0x170 [ 2088.374779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.374779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.374779][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.374779][ T10] netlink_unicast+0x449/0x710 [ 2088.374779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.374779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.374779][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.374779][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.374779][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.374779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.374779][ T10] [ 2088.376846][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2088.376846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.376846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.376846][ T10] ipv6_find_idev+0x102/0x170 [ 2088.376846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.376846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.376846][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.376846][ T10] netlink_unicast+0x449/0x710 [ 2088.376846][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.376846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.376846][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.376846][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.376846][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.376846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.376846][ T10] [ 2088.379154][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2088.379520][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2088.379520][ T10] netdev_get_by_index+0x5e/0x80 [ 2088.379520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2088.379520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2088.379520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2088.379520][ T10] ipv6_add_addr+0x411/0x2000 [ 2088.379520][ T10] inet6_addr_add+0x30e/0xa40 [ 2088.379520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2088.379520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.379520][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.379520][ T10] netlink_unicast+0x449/0x710 [ 2088.379520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.379520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.379520][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.379520][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.379520][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.379520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.379520][ T10] [ 2088.382160][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2088.382160][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2088.382160][ T10] ipv6_find_idev+0x102/0x170 [ 2088.382160][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.382160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.382160][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.382160][ T10] netlink_unicast+0x449/0x710 [ 2088.382160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.382160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.382160][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.382160][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.382160][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.382160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.382160][ T10] [ 2088.384285][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2088.384285][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2088.384285][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2088.384285][ T10] ipv6_find_idev+0x102/0x170 [ 2088.384285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2088.384285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2088.384285][ T10] netlink_rcv_skb+0x130/0x360 [ 2088.384285][ T10] netlink_unicast+0x449/0x710 [ 2088.384285][ T10] netlink_sendmsg+0x723/0xbe0 [ 2088.384285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2088.384285][ T10] ___sys_sendmsg+0xee/0x170 [ 2088.384285][ T10] __sys_sendmsg+0xcd/0x170 [ 2088.384285][ T10] do_syscall_64+0xc6/0x1e0 [ 2088.384285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2088.384285][ T10] [ 2098.627069][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2098.627510][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2098.627510][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.627510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.627510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.627510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.627510][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.627510][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.627510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.627510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.627510][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.627510][ T10] netlink_unicast+0x449/0x710 [ 2098.627510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.627510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.627510][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.627510][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.627510][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.627510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.627510][ T10] [ 2098.629509][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2098.629509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.629509][ T10] ipv6_find_idev+0x102/0x170 [ 2098.629509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.629509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.629509][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.629509][ T10] netlink_unicast+0x449/0x710 [ 2098.629509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.629509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.629509][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.629509][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.629509][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.629509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.629509][ T10] [ 2098.631033][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2098.631033][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.631033][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.631033][ T10] ipv6_find_idev+0x102/0x170 [ 2098.631033][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.631033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.631033][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.631033][ T10] netlink_unicast+0x449/0x710 [ 2098.631033][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.631033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.631033][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.631033][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.631033][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.631033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.631033][ T10] [ 2098.632817][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2098.633106][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2098.633106][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.633106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.633106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.633106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.633106][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.633106][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.633106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.633106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.633106][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.633106][ T10] netlink_unicast+0x449/0x710 [ 2098.633106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.633106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.633106][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.633106][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.633106][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.633106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.633106][ T10] [ 2098.635074][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2098.635074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.635074][ T10] ipv6_find_idev+0x102/0x170 [ 2098.635074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.635074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.635074][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.635074][ T10] netlink_unicast+0x449/0x710 [ 2098.635074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.635074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.635074][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.635074][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.635074][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.635074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.635074][ T10] [ 2098.636591][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2098.636591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.636591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.636591][ T10] ipv6_find_idev+0x102/0x170 [ 2098.636591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.636591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.636591][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.636591][ T10] netlink_unicast+0x449/0x710 [ 2098.636591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.636591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.636591][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.636591][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.636591][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.636591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.636591][ T10] [ 2098.638254][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2098.638515][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2098.638515][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.638515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.638515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.638515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.638515][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.638515][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.638515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.638515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.638515][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.638515][ T10] netlink_unicast+0x449/0x710 [ 2098.638515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.638515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.638515][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.638515][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.638515][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.638515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.638515][ T10] [ 2098.640489][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2098.640489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.640489][ T10] ipv6_find_idev+0x102/0x170 [ 2098.640489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.640489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.640489][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.640489][ T10] netlink_unicast+0x449/0x710 [ 2098.640489][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.640489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.640489][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.640489][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.640489][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.640489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.640489][ T10] [ 2098.642015][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2098.642015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.642015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.642015][ T10] ipv6_find_idev+0x102/0x170 [ 2098.642015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.642015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.642015][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.642015][ T10] netlink_unicast+0x449/0x710 [ 2098.642015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.642015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.642015][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.642015][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.642015][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.642015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.642015][ T10] [ 2098.643687][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2098.644397][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2098.644397][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.644397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.644397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.644397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.644397][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.644397][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.644397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.644397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.644397][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.644397][ T10] netlink_unicast+0x449/0x710 [ 2098.644397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.644397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.644397][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.644397][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.644397][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.644397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.644397][ T10] [ 2098.646362][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2098.646362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.646362][ T10] ipv6_find_idev+0x102/0x170 [ 2098.646362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.646362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.646362][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.646362][ T10] netlink_unicast+0x449/0x710 [ 2098.646362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.646362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.646362][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.646362][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.646362][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.646362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.646362][ T10] [ 2098.648132][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2098.648132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.648132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.648132][ T10] ipv6_find_idev+0x102/0x170 [ 2098.648132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.648132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.648132][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.648132][ T10] netlink_unicast+0x449/0x710 [ 2098.648132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.648132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.648132][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.648132][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.648132][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.648132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.648132][ T10] [ 2098.649853][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2098.650111][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2098.650111][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.650111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.650111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.650111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.650111][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.650111][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.650111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.650111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.650111][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.650111][ T10] netlink_unicast+0x449/0x710 [ 2098.650111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.650111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.650111][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.650111][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.650111][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.650111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.650111][ T10] [ 2098.652077][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2098.652077][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.652077][ T10] ipv6_find_idev+0x102/0x170 [ 2098.652077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.652077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.652077][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.652077][ T10] netlink_unicast+0x449/0x710 [ 2098.652077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.652077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.652077][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.652077][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.652077][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.652077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.652077][ T10] [ 2098.653730][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2098.653730][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.653730][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.653730][ T10] ipv6_find_idev+0x102/0x170 [ 2098.653730][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.653730][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.653730][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.653730][ T10] netlink_unicast+0x449/0x710 [ 2098.653730][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.653730][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.653730][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.653730][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.653730][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.653730][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.653730][ T10] [ 2098.655445][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2098.655708][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2098.655708][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.655708][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.655708][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.655708][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.655708][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.655708][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.655708][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.655708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.655708][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.655708][ T10] netlink_unicast+0x449/0x710 [ 2098.655708][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.655708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.655708][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.655708][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.655708][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.655708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.655708][ T10] [ 2098.657728][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2098.657728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.657728][ T10] ipv6_find_idev+0x102/0x170 [ 2098.657728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.657728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.657728][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.657728][ T10] netlink_unicast+0x449/0x710 [ 2098.657728][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.657728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.657728][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.657728][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.657728][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.657728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.657728][ T10] [ 2098.659414][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2098.659414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.659414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.659414][ T10] ipv6_find_idev+0x102/0x170 [ 2098.659414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.659414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.659414][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.659414][ T10] netlink_unicast+0x449/0x710 [ 2098.659414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.659414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.659414][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.659414][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.659414][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.659414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.659414][ T10] [ 2098.661434][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2098.661700][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2098.661700][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.661700][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.661700][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.661700][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.661700][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.661700][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.661700][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.661700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.661700][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.661700][ T10] netlink_unicast+0x449/0x710 [ 2098.661700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.661700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.661700][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.661700][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.661700][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.661700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.661700][ T10] [ 2098.663838][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2098.663838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.663838][ T10] ipv6_find_idev+0x102/0x170 [ 2098.663838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.663838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.663838][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.663838][ T10] netlink_unicast+0x449/0x710 [ 2098.663838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.663838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.663838][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.663838][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.663838][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.663838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.663838][ T10] [ 2098.665528][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2098.665528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.665528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.665528][ T10] ipv6_find_idev+0x102/0x170 [ 2098.665528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.665528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.665528][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.665528][ T10] netlink_unicast+0x449/0x710 [ 2098.665528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.665528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.665528][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.665528][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.665528][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.665528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.665528][ T10] [ 2098.667454][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2098.667767][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2098.667767][ T10] netdev_get_by_index+0x5e/0x80 [ 2098.667767][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2098.667767][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2098.667767][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2098.667767][ T10] ipv6_add_addr+0x411/0x2000 [ 2098.667767][ T10] inet6_addr_add+0x30e/0xa40 [ 2098.667767][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2098.667767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.667767][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.667767][ T10] netlink_unicast+0x449/0x710 [ 2098.667767][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.667767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.667767][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.667767][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.667767][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.667767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.667767][ T10] [ 2098.669902][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2098.669902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2098.669902][ T10] ipv6_find_idev+0x102/0x170 [ 2098.669902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.669902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.669902][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.669902][ T10] netlink_unicast+0x449/0x710 [ 2098.669902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.669902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.669902][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.669902][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.669902][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.669902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.669902][ T10] [ 2098.672078][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2098.672078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2098.672078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2098.672078][ T10] ipv6_find_idev+0x102/0x170 [ 2098.672078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2098.672078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2098.672078][ T10] netlink_rcv_skb+0x130/0x360 [ 2098.672078][ T10] netlink_unicast+0x449/0x710 [ 2098.672078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2098.672078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2098.672078][ T10] ___sys_sendmsg+0xee/0x170 [ 2098.672078][ T10] __sys_sendmsg+0xcd/0x170 [ 2098.672078][ T10] do_syscall_64+0xc6/0x1e0 [ 2098.672078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2098.672078][ T10] [ 2108.922915][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2108.923410][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2108.923410][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.923410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.923410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.923410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.923410][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.923410][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.923410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.923410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.923410][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.923410][ T10] netlink_unicast+0x449/0x710 [ 2108.923410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.923410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.923410][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.923410][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.923410][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.923410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.923410][ T10] [ 2108.925401][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2108.925401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.925401][ T10] ipv6_find_idev+0x102/0x170 [ 2108.925401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.925401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.925401][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.925401][ T10] netlink_unicast+0x449/0x710 [ 2108.925401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.925401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.925401][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.925401][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.925401][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.925401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.925401][ T10] [ 2108.926919][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2108.926919][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.926919][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.926919][ T10] ipv6_find_idev+0x102/0x170 [ 2108.926919][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.926919][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.926919][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.926919][ T10] netlink_unicast+0x449/0x710 [ 2108.926919][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.926919][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.926919][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.926919][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.926919][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.926919][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.926919][ T10] [ 2108.928588][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2108.928864][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2108.928864][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.928864][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.928864][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.928864][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.928864][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.928864][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.928864][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.928864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.928864][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.928864][ T10] netlink_unicast+0x449/0x710 [ 2108.928864][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.928864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.928864][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.928864][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.928864][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.928864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.928864][ T10] [ 2108.930832][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2108.930832][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.930832][ T10] ipv6_find_idev+0x102/0x170 [ 2108.930832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.930832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.930832][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.930832][ T10] netlink_unicast+0x449/0x710 [ 2108.930832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.930832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.930832][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.930832][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.930832][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.930832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.930832][ T10] [ 2108.932349][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2108.932349][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.932349][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.932349][ T10] ipv6_find_idev+0x102/0x170 [ 2108.932349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.932349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.932349][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.932349][ T10] netlink_unicast+0x449/0x710 [ 2108.932349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.932349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.932349][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.932349][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.932349][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.932349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.932349][ T10] [ 2108.934012][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2108.934275][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2108.934275][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.934275][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.934275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.934275][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.934275][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.934275][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.934275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.934275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.934275][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.934275][ T10] netlink_unicast+0x449/0x710 [ 2108.934275][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.934275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.934275][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.934275][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.934275][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.934275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.934275][ T10] [ 2108.936239][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2108.936239][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.936239][ T10] ipv6_find_idev+0x102/0x170 [ 2108.936239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.936239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.936239][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.936239][ T10] netlink_unicast+0x449/0x710 [ 2108.936239][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.936239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.936239][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.936239][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.936239][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.936239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.936239][ T10] [ 2108.937750][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2108.937750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.937750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.937750][ T10] ipv6_find_idev+0x102/0x170 [ 2108.937750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.937750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.937750][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.937750][ T10] netlink_unicast+0x449/0x710 [ 2108.937750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.937750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.937750][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.937750][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.937750][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.937750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.937750][ T10] [ 2108.939403][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2108.939665][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2108.939665][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.939665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.939665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.939665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.939665][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.939665][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.939665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.939665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.939665][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.939665][ T10] netlink_unicast+0x449/0x710 [ 2108.939665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.939665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.939665][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.939665][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.939665][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.939665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.939665][ T10] [ 2108.941629][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2108.941629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.941629][ T10] ipv6_find_idev+0x102/0x170 [ 2108.941629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.941629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.941629][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.941629][ T10] netlink_unicast+0x449/0x710 [ 2108.941629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.941629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.941629][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.941629][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.941629][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.941629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.941629][ T10] [ 2108.943145][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2108.943145][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.943145][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.943145][ T10] ipv6_find_idev+0x102/0x170 [ 2108.943145][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.943145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.943145][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.943145][ T10] netlink_unicast+0x449/0x710 [ 2108.943145][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.943145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.943145][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.943145][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.943145][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.943145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.943145][ T10] [ 2108.945225][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2108.945485][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2108.945485][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.945485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.945485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.945485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.945485][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.945485][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.945485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.945485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.945485][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.945485][ T10] netlink_unicast+0x449/0x710 [ 2108.945485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.945485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.945485][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.945485][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.945485][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.945485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.945485][ T10] [ 2108.947832][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2108.947832][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.947832][ T10] ipv6_find_idev+0x102/0x170 [ 2108.947832][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.947832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.947832][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.947832][ T10] netlink_unicast+0x449/0x710 [ 2108.947832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.947832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.947832][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.947832][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.947832][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.947832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.947832][ T10] [ 2108.949346][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2108.949346][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.949346][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.949346][ T10] ipv6_find_idev+0x102/0x170 [ 2108.949346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.949346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.949346][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.949346][ T10] netlink_unicast+0x449/0x710 [ 2108.949346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.949346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.949346][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.949346][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.949346][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.949346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.949346][ T10] [ 2108.951049][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2108.951318][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2108.951318][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.951318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.951318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.951318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.951318][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.951318][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.951318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.951318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.951318][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.951318][ T10] netlink_unicast+0x449/0x710 [ 2108.951318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.951318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.951318][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.951318][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.951318][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.951318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.951318][ T10] [ 2108.953409][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2108.953409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.953409][ T10] ipv6_find_idev+0x102/0x170 [ 2108.953409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.953409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.953409][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.953409][ T10] netlink_unicast+0x449/0x710 [ 2108.953409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.953409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.953409][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.953409][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.953409][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.953409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.953409][ T10] [ 2108.955133][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2108.955133][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.955133][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.955133][ T10] ipv6_find_idev+0x102/0x170 [ 2108.955133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.955133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.955133][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.955133][ T10] netlink_unicast+0x449/0x710 [ 2108.955133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.955133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.955133][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.955133][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.955133][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.955133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.955133][ T10] [ 2108.957158][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2108.957438][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2108.957438][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.957438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.957438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.957438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.957438][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.957438][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.957438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.957438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.957438][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.957438][ T10] netlink_unicast+0x449/0x710 [ 2108.957438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.957438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.957438][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.957438][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.957438][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.957438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.957438][ T10] [ 2108.959906][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2108.959906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.959906][ T10] ipv6_find_idev+0x102/0x170 [ 2108.959906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.959906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.959906][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.959906][ T10] netlink_unicast+0x449/0x710 [ 2108.959906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.959906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.959906][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.959906][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.959906][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.959906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.959906][ T10] [ 2108.961734][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2108.961734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.961734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.961734][ T10] ipv6_find_idev+0x102/0x170 [ 2108.961734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.961734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.961734][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.961734][ T10] netlink_unicast+0x449/0x710 [ 2108.961734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.961734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.961734][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.961734][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.961734][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.961734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.961734][ T10] [ 2108.963730][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2108.964047][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2108.964047][ T10] netdev_get_by_index+0x5e/0x80 [ 2108.964047][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2108.964047][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2108.964047][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2108.964047][ T10] ipv6_add_addr+0x411/0x2000 [ 2108.964047][ T10] inet6_addr_add+0x30e/0xa40 [ 2108.964047][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2108.964047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.964047][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.964047][ T10] netlink_unicast+0x449/0x710 [ 2108.964047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.964047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.964047][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.964047][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.964047][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.964047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.964047][ T10] [ 2108.966298][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2108.966298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2108.966298][ T10] ipv6_find_idev+0x102/0x170 [ 2108.966298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.966298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.966298][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.966298][ T10] netlink_unicast+0x449/0x710 [ 2108.966298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.966298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.966298][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.966298][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.966298][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.966298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.966298][ T10] [ 2108.967997][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2108.967997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2108.967997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2108.967997][ T10] ipv6_find_idev+0x102/0x170 [ 2108.967997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2108.967997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2108.967997][ T10] netlink_rcv_skb+0x130/0x360 [ 2108.967997][ T10] netlink_unicast+0x449/0x710 [ 2108.967997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2108.967997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2108.967997][ T10] ___sys_sendmsg+0xee/0x170 [ 2108.967997][ T10] __sys_sendmsg+0xcd/0x170 [ 2108.967997][ T10] do_syscall_64+0xc6/0x1e0 [ 2108.967997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2108.967997][ T10] [ 2119.210942][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2119.211400][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2119.211400][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.211400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.211400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.211400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.211400][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.211400][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.211400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.211400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.211400][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.211400][ T10] netlink_unicast+0x449/0x710 [ 2119.211400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.211400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.211400][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.211400][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.211400][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.211400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.211400][ T10] [ 2119.213408][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2119.213408][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.213408][ T10] ipv6_find_idev+0x102/0x170 [ 2119.213408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.213408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.213408][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.213408][ T10] netlink_unicast+0x449/0x710 [ 2119.213408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.213408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.213408][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.213408][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.213408][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.213408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.213408][ T10] [ 2119.214935][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2119.214935][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.214935][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.214935][ T10] ipv6_find_idev+0x102/0x170 [ 2119.214935][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.214935][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.214935][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.214935][ T10] netlink_unicast+0x449/0x710 [ 2119.214935][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.214935][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.214935][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.214935][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.214935][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.214935][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.214935][ T10] [ 2119.216625][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2119.216908][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2119.216908][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.216908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.216908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.216908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.216908][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.216908][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.216908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.216908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.216908][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.216908][ T10] netlink_unicast+0x449/0x710 [ 2119.216908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.216908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.216908][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.216908][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.216908][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.216908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.216908][ T10] [ 2119.218903][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2119.218903][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.218903][ T10] ipv6_find_idev+0x102/0x170 [ 2119.218903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.218903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.218903][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.218903][ T10] netlink_unicast+0x449/0x710 [ 2119.218903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.218903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.218903][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.218903][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.218903][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.218903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.218903][ T10] [ 2119.220447][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2119.220447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.220447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.220447][ T10] ipv6_find_idev+0x102/0x170 [ 2119.220447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.220447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.220447][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.220447][ T10] netlink_unicast+0x449/0x710 [ 2119.220447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.220447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.220447][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.220447][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.220447][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.220447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.220447][ T10] [ 2119.222129][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2119.222395][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2119.222395][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.222395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.222395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.222395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.222395][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.222395][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.222395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.222395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.222395][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.222395][ T10] netlink_unicast+0x449/0x710 [ 2119.222395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.222395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.222395][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.222395][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.222395][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.222395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.222395][ T10] [ 2119.224378][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2119.224378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.224378][ T10] ipv6_find_idev+0x102/0x170 [ 2119.224378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.224378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.224378][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.224378][ T10] netlink_unicast+0x449/0x710 [ 2119.224378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.224378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.224378][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.224378][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.224378][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.224378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.224378][ T10] [ 2119.225901][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2119.225901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.225901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.225901][ T10] ipv6_find_idev+0x102/0x170 [ 2119.225901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.225901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.225901][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.225901][ T10] netlink_unicast+0x449/0x710 [ 2119.225901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.225901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.225901][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.225901][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.225901][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.225901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.225901][ T10] [ 2119.227661][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2119.228376][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2119.228376][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.228376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.228376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.228376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.228376][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.228376][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.228376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.228376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.228376][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.228376][ T10] netlink_unicast+0x449/0x710 [ 2119.228376][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.228376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.228376][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.228376][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.228376][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.228376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.228376][ T10] [ 2119.230340][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2119.230340][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.230340][ T10] ipv6_find_idev+0x102/0x170 [ 2119.230340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.230340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.230340][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.230340][ T10] netlink_unicast+0x449/0x710 [ 2119.230340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.230340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.230340][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.230340][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.230340][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.230340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.230340][ T10] [ 2119.231862][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2119.231862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.231862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.231862][ T10] ipv6_find_idev+0x102/0x170 [ 2119.231862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.231862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.231862][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.231862][ T10] netlink_unicast+0x449/0x710 [ 2119.231862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.231862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.231862][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.231862][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.231862][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.231862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.231862][ T10] [ 2119.233570][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2119.233836][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2119.233836][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.233836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.233836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.233836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.233836][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.233836][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.233836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.233836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.233836][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.233836][ T10] netlink_unicast+0x449/0x710 [ 2119.233836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.233836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.233836][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.233836][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.233836][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.233836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.233836][ T10] [ 2119.235808][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2119.235808][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.235808][ T10] ipv6_find_idev+0x102/0x170 [ 2119.235808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.235808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.235808][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.235808][ T10] netlink_unicast+0x449/0x710 [ 2119.235808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.235808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.235808][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.235808][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.235808][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.235808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.235808][ T10] [ 2119.237343][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2119.237343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.237343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.237343][ T10] ipv6_find_idev+0x102/0x170 [ 2119.237343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.237343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.237343][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.237343][ T10] netlink_unicast+0x449/0x710 [ 2119.237343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.237343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.237343][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.237343][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.237343][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.237343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.237343][ T10] [ 2119.239072][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2119.239337][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2119.239337][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.239337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.239337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.239337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.239337][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.239337][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.239337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.239337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.239337][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.239337][ T10] netlink_unicast+0x449/0x710 [ 2119.239337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.239337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.239337][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.239337][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.239337][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.239337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.239337][ T10] [ 2119.241370][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2119.241370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.241370][ T10] ipv6_find_idev+0x102/0x170 [ 2119.241370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.241370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.241370][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.241370][ T10] netlink_unicast+0x449/0x710 [ 2119.241370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.241370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.241370][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.241370][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.241370][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.241370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.241370][ T10] [ 2119.243132][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2119.243132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.243132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.243132][ T10] ipv6_find_idev+0x102/0x170 [ 2119.243132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.243132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.243132][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.243132][ T10] netlink_unicast+0x449/0x710 [ 2119.243132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.243132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.243132][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.243132][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.243132][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.243132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.243132][ T10] [ 2119.245084][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2119.245350][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2119.245350][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.245350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.245350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.245350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.245350][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.245350][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.245350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.245350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.245350][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.245350][ T10] netlink_unicast+0x449/0x710 [ 2119.245350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.245350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.245350][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.245350][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.245350][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.245350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.245350][ T10] [ 2119.247520][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2119.247520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.247520][ T10] ipv6_find_idev+0x102/0x170 [ 2119.247520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.247520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.247520][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.247520][ T10] netlink_unicast+0x449/0x710 [ 2119.247520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.247520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.247520][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.247520][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.247520][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.247520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.247520][ T10] [ 2119.249230][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2119.249230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.249230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.249230][ T10] ipv6_find_idev+0x102/0x170 [ 2119.249230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.249230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.249230][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.249230][ T10] netlink_unicast+0x449/0x710 [ 2119.249230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.249230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.249230][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.249230][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.249230][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.249230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.249230][ T10] [ 2119.251175][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2119.251440][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2119.251440][ T10] netdev_get_by_index+0x5e/0x80 [ 2119.251440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2119.251440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2119.251440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2119.251440][ T10] ipv6_add_addr+0x411/0x2000 [ 2119.251440][ T10] inet6_addr_add+0x30e/0xa40 [ 2119.251440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2119.251440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.251440][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.251440][ T10] netlink_unicast+0x449/0x710 [ 2119.251440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.251440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.251440][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.251440][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.251440][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.251440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.251440][ T10] [ 2119.253651][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2119.253651][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2119.253651][ T10] ipv6_find_idev+0x102/0x170 [ 2119.253651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.253651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.253651][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.253651][ T10] netlink_unicast+0x449/0x710 [ 2119.253651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.253651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.253651][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.253651][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.253651][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.253651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.253651][ T10] [ 2119.255351][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2119.255351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2119.255351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2119.255351][ T10] ipv6_find_idev+0x102/0x170 [ 2119.255351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2119.255351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2119.255351][ T10] netlink_rcv_skb+0x130/0x360 [ 2119.255351][ T10] netlink_unicast+0x449/0x710 [ 2119.255351][ T10] netlink_sendmsg+0x723/0xbe0 [ 2119.255351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2119.255351][ T10] ___sys_sendmsg+0xee/0x170 [ 2119.255351][ T10] __sys_sendmsg+0xcd/0x170 [ 2119.255351][ T10] do_syscall_64+0xc6/0x1e0 [ 2119.255351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2119.255351][ T10] [ 2129.498918][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2129.499391][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2129.499391][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.499391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.499391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.499391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.499391][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.499391][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.499391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.499391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.499391][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.499391][ T10] netlink_unicast+0x449/0x710 [ 2129.499391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.499391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.499391][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.499391][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.499391][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.499391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.499391][ T10] [ 2129.501564][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2129.501564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.501564][ T10] ipv6_find_idev+0x102/0x170 [ 2129.501564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.501564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.501564][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.501564][ T10] netlink_unicast+0x449/0x710 [ 2129.501564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.501564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.501564][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.501564][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.501564][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.501564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.501564][ T10] [ 2129.503159][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2129.503159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.503159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.503159][ T10] ipv6_find_idev+0x102/0x170 [ 2129.503159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.503159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.503159][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.503159][ T10] netlink_unicast+0x449/0x710 [ 2129.503159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.503159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.503159][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.503159][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.503159][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.503159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.503159][ T10] [ 2129.504883][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2129.505157][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2129.505157][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.505157][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.505157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.505157][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.505157][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.505157][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.505157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.505157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.505157][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.505157][ T10] netlink_unicast+0x449/0x710 [ 2129.505157][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.505157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.505157][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.505157][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.505157][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.505157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.505157][ T10] [ 2129.507158][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2129.507158][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.507158][ T10] ipv6_find_idev+0x102/0x170 [ 2129.507158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.507158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.507158][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.507158][ T10] netlink_unicast+0x449/0x710 [ 2129.507158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.507158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.507158][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.507158][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.507158][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.507158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.507158][ T10] [ 2129.508699][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2129.508699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.508699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.508699][ T10] ipv6_find_idev+0x102/0x170 [ 2129.508699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.508699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.508699][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.508699][ T10] netlink_unicast+0x449/0x710 [ 2129.508699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.508699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.508699][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.508699][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.508699][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.508699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.508699][ T10] [ 2129.510487][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2129.510773][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2129.510773][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.510773][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.510773][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.510773][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.510773][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.510773][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.510773][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.510773][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.510773][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.510773][ T10] netlink_unicast+0x449/0x710 [ 2129.510773][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.510773][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.510773][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.510773][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.510773][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.510773][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.510773][ T10] [ 2129.512875][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2129.512875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.512875][ T10] ipv6_find_idev+0x102/0x170 [ 2129.512875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.512875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.512875][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.512875][ T10] netlink_unicast+0x449/0x710 [ 2129.512875][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.512875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.512875][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.512875][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.512875][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.512875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.512875][ T10] [ 2129.514492][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2129.514492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.514492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.514492][ T10] ipv6_find_idev+0x102/0x170 [ 2129.514492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.514492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.514492][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.514492][ T10] netlink_unicast+0x449/0x710 [ 2129.514492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.514492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.514492][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.514492][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.514492][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.514492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.514492][ T10] [ 2129.516254][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2129.516539][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2129.516539][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.516539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.516539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.516539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.516539][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.516539][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.516539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.516539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.516539][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.516539][ T10] netlink_unicast+0x449/0x710 [ 2129.516539][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.516539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.516539][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.516539][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.516539][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.516539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.516539][ T10] [ 2129.518665][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2129.518665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.518665][ T10] ipv6_find_idev+0x102/0x170 [ 2129.518665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.518665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.518665][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.518665][ T10] netlink_unicast+0x449/0x710 [ 2129.518665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.518665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.518665][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.518665][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.518665][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.518665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.518665][ T10] [ 2129.520323][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2129.520323][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.520323][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.520323][ T10] ipv6_find_idev+0x102/0x170 [ 2129.520323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.520323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.520323][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.520323][ T10] netlink_unicast+0x449/0x710 [ 2129.520323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.520323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.520323][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.520323][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.520323][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.520323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.520323][ T10] [ 2129.522531][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2129.523227][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2129.523227][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.523227][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.523227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.523227][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.523227][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.523227][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.523227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.523227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.523227][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.523227][ T10] netlink_unicast+0x449/0x710 [ 2129.523227][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.523227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.523227][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.523227][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.523227][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.523227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.523227][ T10] [ 2129.525309][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2129.525309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.525309][ T10] ipv6_find_idev+0x102/0x170 [ 2129.525309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.525309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.525309][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.525309][ T10] netlink_unicast+0x449/0x710 [ 2129.525309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.525309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.525309][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.525309][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.525309][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.525309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.525309][ T10] [ 2129.526839][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2129.526839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.526839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.526839][ T10] ipv6_find_idev+0x102/0x170 [ 2129.526839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.526839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.526839][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.526839][ T10] netlink_unicast+0x449/0x710 [ 2129.526839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.526839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.526839][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.526839][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.526839][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.526839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.526839][ T10] [ 2129.528523][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2129.528802][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2129.528802][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.528802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.528802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.528802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.528802][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.528802][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.528802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.528802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.528802][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.528802][ T10] netlink_unicast+0x449/0x710 [ 2129.528802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.528802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.528802][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.528802][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.528802][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.528802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.528802][ T10] [ 2129.530794][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2129.530794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.530794][ T10] ipv6_find_idev+0x102/0x170 [ 2129.530794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.530794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.530794][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.530794][ T10] netlink_unicast+0x449/0x710 [ 2129.530794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.530794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.530794][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.530794][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.530794][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.530794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.530794][ T10] [ 2129.532447][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2129.532447][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.532447][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.532447][ T10] ipv6_find_idev+0x102/0x170 [ 2129.532447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.532447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.532447][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.532447][ T10] netlink_unicast+0x449/0x710 [ 2129.532447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.532447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.532447][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.532447][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.532447][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.532447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.532447][ T10] [ 2129.534585][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2129.534961][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2129.534961][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.534961][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.534961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.534961][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.534961][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.534961][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.534961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.534961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.534961][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.534961][ T10] netlink_unicast+0x449/0x710 [ 2129.534961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.534961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.534961][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.534961][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.534961][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.534961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.534961][ T10] [ 2129.537407][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2129.537407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.537407][ T10] ipv6_find_idev+0x102/0x170 [ 2129.537407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.537407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.537407][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.537407][ T10] netlink_unicast+0x449/0x710 [ 2129.537407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.537407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.537407][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.537407][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.537407][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.537407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.537407][ T10] [ 2129.539284][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2129.539284][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.539284][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.539284][ T10] ipv6_find_idev+0x102/0x170 [ 2129.539284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.539284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.539284][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.539284][ T10] netlink_unicast+0x449/0x710 [ 2129.539284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.539284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.539284][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.539284][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.539284][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.539284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.539284][ T10] [ 2129.541515][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2129.541855][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2129.541855][ T10] netdev_get_by_index+0x5e/0x80 [ 2129.541855][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2129.541855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2129.541855][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2129.541855][ T10] ipv6_add_addr+0x411/0x2000 [ 2129.541855][ T10] inet6_addr_add+0x30e/0xa40 [ 2129.541855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2129.541855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.541855][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.541855][ T10] netlink_unicast+0x449/0x710 [ 2129.541855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.541855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.541855][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.541855][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.541855][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.541855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.541855][ T10] [ 2129.544171][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2129.544171][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2129.544171][ T10] ipv6_find_idev+0x102/0x170 [ 2129.544171][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.544171][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.544171][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.544171][ T10] netlink_unicast+0x449/0x710 [ 2129.544171][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.544171][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.544171][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.544171][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.544171][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.544171][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.544171][ T10] [ 2129.546163][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2129.546163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2129.546163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2129.546163][ T10] ipv6_find_idev+0x102/0x170 [ 2129.546163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2129.546163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2129.546163][ T10] netlink_rcv_skb+0x130/0x360 [ 2129.546163][ T10] netlink_unicast+0x449/0x710 [ 2129.546163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2129.546163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2129.546163][ T10] ___sys_sendmsg+0xee/0x170 [ 2129.546163][ T10] __sys_sendmsg+0xcd/0x170 [ 2129.546163][ T10] do_syscall_64+0xc6/0x1e0 [ 2129.546163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2129.546163][ T10] [ 2139.786955][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2139.787468][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2139.787468][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.787468][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.787468][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.787468][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.787468][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.787468][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.787468][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.787468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.787468][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.787468][ T10] netlink_unicast+0x449/0x710 [ 2139.787468][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.787468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.787468][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.787468][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.787468][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.787468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.787468][ T10] [ 2139.789737][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2139.789737][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.789737][ T10] ipv6_find_idev+0x102/0x170 [ 2139.789737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.789737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.789737][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.789737][ T10] netlink_unicast+0x449/0x710 [ 2139.789737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.789737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.789737][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.789737][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.789737][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.789737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.789737][ T10] [ 2139.791441][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2139.791441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.791441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.791441][ T10] ipv6_find_idev+0x102/0x170 [ 2139.791441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.791441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.791441][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.791441][ T10] netlink_unicast+0x449/0x710 [ 2139.791441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.791441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.791441][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.791441][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.791441][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.791441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.791441][ T10] [ 2139.793321][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2139.793610][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2139.793610][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.793610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.793610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.793610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.793610][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.793610][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.793610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.793610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.793610][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.793610][ T10] netlink_unicast+0x449/0x710 [ 2139.793610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.793610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.793610][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.793610][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.793610][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.793610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.793610][ T10] [ 2139.795812][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2139.795812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.795812][ T10] ipv6_find_idev+0x102/0x170 [ 2139.795812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.795812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.795812][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.795812][ T10] netlink_unicast+0x449/0x710 [ 2139.795812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.795812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.795812][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.795812][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.795812][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.795812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.795812][ T10] [ 2139.797515][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2139.797515][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.797515][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.797515][ T10] ipv6_find_idev+0x102/0x170 [ 2139.797515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.797515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.797515][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.797515][ T10] netlink_unicast+0x449/0x710 [ 2139.797515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.797515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.797515][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.797515][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.797515][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.797515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.797515][ T10] [ 2139.799377][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2139.799665][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2139.799665][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.799665][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.799665][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.799665][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.799665][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.799665][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.799665][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.799665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.799665][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.799665][ T10] netlink_unicast+0x449/0x710 [ 2139.799665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.799665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.799665][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.799665][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.799665][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.799665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.799665][ T10] [ 2139.801867][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2139.801867][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.801867][ T10] ipv6_find_idev+0x102/0x170 [ 2139.801867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.801867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.801867][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.801867][ T10] netlink_unicast+0x449/0x710 [ 2139.801867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.801867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.801867][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.801867][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.801867][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.801867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.801867][ T10] [ 2139.803558][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2139.803558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.803558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.803558][ T10] ipv6_find_idev+0x102/0x170 [ 2139.803558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.803558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.803558][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.803558][ T10] netlink_unicast+0x449/0x710 [ 2139.803558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.803558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.803558][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.803558][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.803558][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.803558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.803558][ T10] [ 2139.805427][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2139.805716][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2139.805716][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.805716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.805716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.805716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.805716][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.805716][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.805716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.805716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.805716][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.805716][ T10] netlink_unicast+0x449/0x710 [ 2139.805716][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.805716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.805716][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.805716][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.805716][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.805716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.805716][ T10] [ 2139.807908][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2139.807908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.807908][ T10] ipv6_find_idev+0x102/0x170 [ 2139.807908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.807908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.807908][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.807908][ T10] netlink_unicast+0x449/0x710 [ 2139.807908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.807908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.807908][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.807908][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.807908][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.807908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.807908][ T10] [ 2139.809593][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2139.809593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.809593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.809593][ T10] ipv6_find_idev+0x102/0x170 [ 2139.809593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.809593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.809593][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.809593][ T10] netlink_unicast+0x449/0x710 [ 2139.809593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.809593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.809593][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.809593][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.809593][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.809593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.809593][ T10] [ 2139.811867][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2139.812515][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2139.812515][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.812515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.812515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.812515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.812515][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.812515][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.812515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.812515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.812515][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.812515][ T10] netlink_unicast+0x449/0x710 [ 2139.812515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.812515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.812515][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.812515][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.812515][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.812515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.812515][ T10] [ 2139.814721][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2139.814721][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.814721][ T10] ipv6_find_idev+0x102/0x170 [ 2139.814721][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.814721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.814721][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.814721][ T10] netlink_unicast+0x449/0x710 [ 2139.814721][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.814721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.814721][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.814721][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.814721][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.814721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.814721][ T10] [ 2139.816419][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2139.816419][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.816419][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.816419][ T10] ipv6_find_idev+0x102/0x170 [ 2139.816419][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.816419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.816419][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.816419][ T10] netlink_unicast+0x449/0x710 [ 2139.816419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.816419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.816419][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.816419][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.816419][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.816419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.816419][ T10] [ 2139.818310][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2139.818602][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2139.818602][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.818602][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.818602][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.818602][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.818602][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.818602][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.818602][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.818602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.818602][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.818602][ T10] netlink_unicast+0x449/0x710 [ 2139.818602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.818602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.818602][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.818602][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.818602][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.818602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.818602][ T10] [ 2139.820812][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2139.820812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.820812][ T10] ipv6_find_idev+0x102/0x170 [ 2139.820812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.820812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.820812][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.820812][ T10] netlink_unicast+0x449/0x710 [ 2139.820812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.820812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.820812][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.820812][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.820812][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.820812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.820812][ T10] [ 2139.822560][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2139.822560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.822560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.822560][ T10] ipv6_find_idev+0x102/0x170 [ 2139.822560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.822560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.822560][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.822560][ T10] netlink_unicast+0x449/0x710 [ 2139.822560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.822560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.822560][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.822560][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.822560][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.822560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.822560][ T10] [ 2139.824584][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2139.824932][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2139.824932][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.824932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.824932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.824932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.824932][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.824932][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.824932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.824932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.824932][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.824932][ T10] netlink_unicast+0x449/0x710 [ 2139.824932][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.824932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.824932][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.824932][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.824932][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.824932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.824932][ T10] [ 2139.827316][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2139.827316][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.827316][ T10] ipv6_find_idev+0x102/0x170 [ 2139.827316][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.827316][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.827316][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.827316][ T10] netlink_unicast+0x449/0x710 [ 2139.827316][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.827316][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.827316][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.827316][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.827316][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.827316][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.827316][ T10] [ 2139.829158][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2139.829158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.829158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.829158][ T10] ipv6_find_idev+0x102/0x170 [ 2139.829158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.829158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.829158][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.829158][ T10] netlink_unicast+0x449/0x710 [ 2139.829158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.829158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.829158][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.829158][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.829158][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.829158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.829158][ T10] [ 2139.831170][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2139.831538][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2139.831538][ T10] netdev_get_by_index+0x5e/0x80 [ 2139.831538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2139.831538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2139.831538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2139.831538][ T10] ipv6_add_addr+0x411/0x2000 [ 2139.831538][ T10] inet6_addr_add+0x30e/0xa40 [ 2139.831538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2139.831538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.831538][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.831538][ T10] netlink_unicast+0x449/0x710 [ 2139.831538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.831538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.831538][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.831538][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.831538][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.831538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.831538][ T10] [ 2139.833871][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2139.833871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2139.833871][ T10] ipv6_find_idev+0x102/0x170 [ 2139.833871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.833871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.833871][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.833871][ T10] netlink_unicast+0x449/0x710 [ 2139.833871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.833871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.833871][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.833871][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.833871][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.833871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.833871][ T10] [ 2139.835762][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2139.835762][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2139.835762][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2139.835762][ T10] ipv6_find_idev+0x102/0x170 [ 2139.835762][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2139.835762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2139.835762][ T10] netlink_rcv_skb+0x130/0x360 [ 2139.835762][ T10] netlink_unicast+0x449/0x710 [ 2139.835762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2139.835762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2139.835762][ T10] ___sys_sendmsg+0xee/0x170 [ 2139.835762][ T10] __sys_sendmsg+0xcd/0x170 [ 2139.835762][ T10] do_syscall_64+0xc6/0x1e0 [ 2139.835762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2139.835762][ T10] [ 2150.074890][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2150.075307][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2150.075307][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.075307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.075307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.075307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.075307][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.075307][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.075307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.075307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.075307][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.075307][ T10] netlink_unicast+0x449/0x710 [ 2150.075307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.075307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.075307][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.075307][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.075307][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.075307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.075307][ T10] [ 2150.077300][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2150.077300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.077300][ T10] ipv6_find_idev+0x102/0x170 [ 2150.077300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.077300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.077300][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.077300][ T10] netlink_unicast+0x449/0x710 [ 2150.077300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.077300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.077300][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.077300][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.077300][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.077300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.077300][ T10] [ 2150.078940][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2150.078940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.078940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.078940][ T10] ipv6_find_idev+0x102/0x170 [ 2150.078940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.078940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.078940][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.078940][ T10] netlink_unicast+0x449/0x710 [ 2150.078940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.078940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.078940][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.078940][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.078940][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.078940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.078940][ T10] [ 2150.080626][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2150.080908][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2150.080908][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.080908][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.080908][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.080908][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.080908][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.080908][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.080908][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.080908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.080908][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.080908][ T10] netlink_unicast+0x449/0x710 [ 2150.080908][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.080908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.080908][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.080908][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.080908][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.080908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.080908][ T10] [ 2150.082886][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2150.082886][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.082886][ T10] ipv6_find_idev+0x102/0x170 [ 2150.082886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.082886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.082886][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.082886][ T10] netlink_unicast+0x449/0x710 [ 2150.082886][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.082886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.082886][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.082886][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.082886][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.082886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.082886][ T10] [ 2150.084416][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2150.084416][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.084416][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.084416][ T10] ipv6_find_idev+0x102/0x170 [ 2150.084416][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.084416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.084416][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.084416][ T10] netlink_unicast+0x449/0x710 [ 2150.084416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.084416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.084416][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.084416][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.084416][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.084416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.084416][ T10] [ 2150.086085][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2150.086343][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2150.086343][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.086343][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.086343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.086343][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.086343][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.086343][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.086343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.086343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.086343][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.086343][ T10] netlink_unicast+0x449/0x710 [ 2150.086343][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.086343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.086343][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.086343][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.086343][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.086343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.086343][ T10] [ 2150.088329][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2150.088329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.088329][ T10] ipv6_find_idev+0x102/0x170 [ 2150.088329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.088329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.088329][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.088329][ T10] netlink_unicast+0x449/0x710 [ 2150.088329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.088329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.088329][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.088329][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.088329][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.088329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.088329][ T10] [ 2150.089847][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2150.089847][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.089847][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.089847][ T10] ipv6_find_idev+0x102/0x170 [ 2150.089847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.089847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.089847][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.089847][ T10] netlink_unicast+0x449/0x710 [ 2150.089847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.089847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.089847][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.089847][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.089847][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.089847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.089847][ T10] [ 2150.091535][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2150.091802][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2150.091802][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.091802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.091802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.091802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.091802][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.091802][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.091802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.091802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.091802][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.091802][ T10] netlink_unicast+0x449/0x710 [ 2150.091802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.091802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.091802][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.091802][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.091802][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.091802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.091802][ T10] [ 2150.093825][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2150.093825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.093825][ T10] ipv6_find_idev+0x102/0x170 [ 2150.093825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.093825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.093825][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.093825][ T10] netlink_unicast+0x449/0x710 [ 2150.093825][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.093825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.093825][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.093825][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.093825][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.093825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.093825][ T10] [ 2150.095378][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2150.095378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.095378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.095378][ T10] ipv6_find_idev+0x102/0x170 [ 2150.095378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.095378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.095378][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.095378][ T10] netlink_unicast+0x449/0x710 [ 2150.095378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.095378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.095378][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.095378][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.095378][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.095378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.095378][ T10] [ 2150.097459][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2150.097729][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2150.097729][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.097729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.097729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.097729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.097729][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.097729][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.097729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.097729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.097729][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.097729][ T10] netlink_unicast+0x449/0x710 [ 2150.097729][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.097729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.097729][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.097729][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.097729][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.097729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.097729][ T10] [ 2150.099691][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2150.099691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.099691][ T10] ipv6_find_idev+0x102/0x170 [ 2150.099691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.099691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.099691][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.099691][ T10] netlink_unicast+0x449/0x710 [ 2150.099691][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.099691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.099691][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.099691][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.099691][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.099691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.099691][ T10] [ 2150.101242][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2150.101242][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.101242][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.101242][ T10] ipv6_find_idev+0x102/0x170 [ 2150.101242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.101242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.101242][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.101242][ T10] netlink_unicast+0x449/0x710 [ 2150.101242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.101242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.101242][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.101242][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.101242][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.101242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.101242][ T10] [ 2150.102956][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2150.103216][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2150.103216][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.103216][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.103216][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.103216][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.103216][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.103216][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.103216][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.103216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.103216][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.103216][ T10] netlink_unicast+0x449/0x710 [ 2150.103216][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.103216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.103216][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.103216][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.103216][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.103216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.103216][ T10] [ 2150.105309][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2150.105309][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.105309][ T10] ipv6_find_idev+0x102/0x170 [ 2150.105309][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.105309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.105309][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.105309][ T10] netlink_unicast+0x449/0x710 [ 2150.105309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.105309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.105309][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.105309][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.105309][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.105309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.105309][ T10] [ 2150.107060][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2150.107060][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.107060][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.107060][ T10] ipv6_find_idev+0x102/0x170 [ 2150.107060][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.107060][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.107060][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.107060][ T10] netlink_unicast+0x449/0x710 [ 2150.107060][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.107060][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.107060][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.107060][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.107060][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.107060][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.107060][ T10] [ 2150.108949][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2150.109208][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2150.109208][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.109208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.109208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.109208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.109208][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.109208][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.109208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.109208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.109208][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.109208][ T10] netlink_unicast+0x449/0x710 [ 2150.109208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.109208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.109208][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.109208][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.109208][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.109208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.109208][ T10] [ 2150.111422][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2150.111422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.111422][ T10] ipv6_find_idev+0x102/0x170 [ 2150.111422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.111422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.111422][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.111422][ T10] netlink_unicast+0x449/0x710 [ 2150.111422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.111422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.111422][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.111422][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.111422][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.111422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.111422][ T10] [ 2150.113138][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2150.113138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.113138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.113138][ T10] ipv6_find_idev+0x102/0x170 [ 2150.113138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.113138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.113138][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.113138][ T10] netlink_unicast+0x449/0x710 [ 2150.113138][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.113138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.113138][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.113138][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.113138][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.113138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.113138][ T10] [ 2150.115022][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2150.115307][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2150.115307][ T10] netdev_get_by_index+0x5e/0x80 [ 2150.115307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2150.115307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2150.115307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2150.115307][ T10] ipv6_add_addr+0x411/0x2000 [ 2150.115307][ T10] inet6_addr_add+0x30e/0xa40 [ 2150.115307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2150.115307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.115307][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.115307][ T10] netlink_unicast+0x449/0x710 [ 2150.115307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.115307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.115307][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.115307][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.115307][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.115307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.115307][ T10] [ 2150.117601][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2150.117601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2150.117601][ T10] ipv6_find_idev+0x102/0x170 [ 2150.117601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.117601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.117601][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.117601][ T10] netlink_unicast+0x449/0x710 [ 2150.117601][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.117601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.117601][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.117601][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.117601][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.117601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.117601][ T10] [ 2150.119300][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2150.119300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2150.119300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2150.119300][ T10] ipv6_find_idev+0x102/0x170 [ 2150.119300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2150.119300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2150.119300][ T10] netlink_rcv_skb+0x130/0x360 [ 2150.119300][ T10] netlink_unicast+0x449/0x710 [ 2150.119300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2150.119300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2150.119300][ T10] ___sys_sendmsg+0xee/0x170 [ 2150.119300][ T10] __sys_sendmsg+0xcd/0x170 [ 2150.119300][ T10] do_syscall_64+0xc6/0x1e0 [ 2150.119300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2150.119300][ T10] [ 2160.362949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2160.363355][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2160.363355][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.363355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.363355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.363355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.363355][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.363355][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.363355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.363355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.363355][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.363355][ T10] netlink_unicast+0x449/0x710 [ 2160.363355][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.363355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.363355][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.363355][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.363355][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.363355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.363355][ T10] [ 2160.365385][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2160.365385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.365385][ T10] ipv6_find_idev+0x102/0x170 [ 2160.365385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.365385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.365385][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.365385][ T10] netlink_unicast+0x449/0x710 [ 2160.365385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.365385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.365385][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.365385][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.365385][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.365385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.365385][ T10] [ 2160.366920][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2160.366920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.366920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.366920][ T10] ipv6_find_idev+0x102/0x170 [ 2160.366920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.366920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.366920][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.366920][ T10] netlink_unicast+0x449/0x710 [ 2160.366920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.366920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.366920][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.366920][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.366920][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.366920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.366920][ T10] [ 2160.368615][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2160.368909][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2160.368909][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.368909][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.368909][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.368909][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.368909][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.368909][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.368909][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.368909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.368909][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.368909][ T10] netlink_unicast+0x449/0x710 [ 2160.368909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.368909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.368909][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.368909][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.368909][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.368909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.368909][ T10] [ 2160.370894][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2160.370894][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.370894][ T10] ipv6_find_idev+0x102/0x170 [ 2160.370894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.370894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.370894][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.370894][ T10] netlink_unicast+0x449/0x710 [ 2160.370894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.370894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.370894][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.370894][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.370894][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.370894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.370894][ T10] [ 2160.372431][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2160.372431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.372431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.372431][ T10] ipv6_find_idev+0x102/0x170 [ 2160.372431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.372431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.372431][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.372431][ T10] netlink_unicast+0x449/0x710 [ 2160.372431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.372431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.372431][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.372431][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.372431][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.372431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.372431][ T10] [ 2160.374145][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2160.374408][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2160.374408][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.374408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.374408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.374408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.374408][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.374408][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.374408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.374408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.374408][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.374408][ T10] netlink_unicast+0x449/0x710 [ 2160.374408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.374408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.374408][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.374408][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.374408][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.374408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.374408][ T10] [ 2160.376394][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2160.376394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.376394][ T10] ipv6_find_idev+0x102/0x170 [ 2160.376394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.376394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.376394][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.376394][ T10] netlink_unicast+0x449/0x710 [ 2160.376394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.376394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.376394][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.376394][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.376394][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.376394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.376394][ T10] [ 2160.377927][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2160.377927][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.377927][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.377927][ T10] ipv6_find_idev+0x102/0x170 [ 2160.377927][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.377927][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.377927][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.377927][ T10] netlink_unicast+0x449/0x710 [ 2160.377927][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.377927][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.377927][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.377927][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.377927][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.377927][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.377927][ T10] [ 2160.379647][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2160.380357][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2160.380357][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.380357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.380357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.380357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.380357][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.380357][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.380357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.380357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.380357][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.380357][ T10] netlink_unicast+0x449/0x710 [ 2160.380357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.380357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.380357][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.380357][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.380357][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.380357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.380357][ T10] [ 2160.382344][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2160.382344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.382344][ T10] ipv6_find_idev+0x102/0x170 [ 2160.382344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.382344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.382344][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.382344][ T10] netlink_unicast+0x449/0x710 [ 2160.382344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.382344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.382344][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.382344][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.382344][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.382344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.382344][ T10] [ 2160.383883][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2160.383883][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.383883][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.383883][ T10] ipv6_find_idev+0x102/0x170 [ 2160.383883][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.383883][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.383883][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.383883][ T10] netlink_unicast+0x449/0x710 [ 2160.383883][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.383883][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.383883][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.383883][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.383883][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.383883][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.383883][ T10] [ 2160.385608][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2160.385931][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2160.385931][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.385931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.385931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.385931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.385931][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.385931][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.385931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.385931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.385931][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.385931][ T10] netlink_unicast+0x449/0x710 [ 2160.385931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.385931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.385931][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.385931][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.385931][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.385931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.385931][ T10] [ 2160.387928][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2160.387928][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.387928][ T10] ipv6_find_idev+0x102/0x170 [ 2160.387928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.387928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.387928][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.387928][ T10] netlink_unicast+0x449/0x710 [ 2160.387928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.387928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.387928][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.387928][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.387928][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.387928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.387928][ T10] [ 2160.389463][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2160.389463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.389463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.389463][ T10] ipv6_find_idev+0x102/0x170 [ 2160.389463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.389463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.389463][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.389463][ T10] netlink_unicast+0x449/0x710 [ 2160.389463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.389463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.389463][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.389463][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.389463][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.389463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.389463][ T10] [ 2160.391185][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2160.391496][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2160.391496][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.391496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.391496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.391496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.391496][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.391496][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.391496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.391496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.391496][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.391496][ T10] netlink_unicast+0x449/0x710 [ 2160.391496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.391496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.391496][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.391496][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.391496][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.391496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.391496][ T10] [ 2160.393487][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2160.393487][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.393487][ T10] ipv6_find_idev+0x102/0x170 [ 2160.393487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.393487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.393487][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.393487][ T10] netlink_unicast+0x449/0x710 [ 2160.393487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.393487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.393487][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.393487][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.393487][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.393487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.393487][ T10] [ 2160.395214][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2160.395214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.395214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.395214][ T10] ipv6_find_idev+0x102/0x170 [ 2160.395214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.395214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.395214][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.395214][ T10] netlink_unicast+0x449/0x710 [ 2160.395214][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.395214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.395214][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.395214][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.395214][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.395214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.395214][ T10] [ 2160.397247][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2160.397555][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2160.397555][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.397555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.397555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.397555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.397555][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.397555][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.397555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.397555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.397555][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.397555][ T10] netlink_unicast+0x449/0x710 [ 2160.397555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.397555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.397555][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.397555][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.397555][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.397555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.397555][ T10] [ 2160.399717][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2160.399717][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.399717][ T10] ipv6_find_idev+0x102/0x170 [ 2160.399717][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.399717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.399717][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.399717][ T10] netlink_unicast+0x449/0x710 [ 2160.399717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.399717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.399717][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.399717][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.399717][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.399717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.399717][ T10] [ 2160.401365][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2160.401365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.401365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.401365][ T10] ipv6_find_idev+0x102/0x170 [ 2160.401365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.401365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.401365][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.401365][ T10] netlink_unicast+0x449/0x710 [ 2160.401365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.401365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.401365][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.401365][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.401365][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.401365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.401365][ T10] [ 2160.403337][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2160.403651][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2160.403651][ T10] netdev_get_by_index+0x5e/0x80 [ 2160.403651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2160.403651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2160.403651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2160.403651][ T10] ipv6_add_addr+0x411/0x2000 [ 2160.403651][ T10] inet6_addr_add+0x30e/0xa40 [ 2160.403651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2160.403651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.403651][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.403651][ T10] netlink_unicast+0x449/0x710 [ 2160.403651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.403651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.403651][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.403651][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.403651][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.403651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.403651][ T10] [ 2160.405824][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2160.405824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2160.405824][ T10] ipv6_find_idev+0x102/0x170 [ 2160.405824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.405824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.405824][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.405824][ T10] netlink_unicast+0x449/0x710 [ 2160.405824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.405824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.405824][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.405824][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.405824][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.405824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.405824][ T10] [ 2160.408132][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2160.408132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2160.408132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2160.408132][ T10] ipv6_find_idev+0x102/0x170 [ 2160.408132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2160.408132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2160.408132][ T10] netlink_rcv_skb+0x130/0x360 [ 2160.408132][ T10] netlink_unicast+0x449/0x710 [ 2160.408132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2160.408132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2160.408132][ T10] ___sys_sendmsg+0xee/0x170 [ 2160.408132][ T10] __sys_sendmsg+0xcd/0x170 [ 2160.408132][ T10] do_syscall_64+0xc6/0x1e0 [ 2160.408132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2160.408132][ T10] [ 2170.650924][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2170.651398][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2170.651398][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.651398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.651398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.651398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.651398][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.651398][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.651398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.651398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.651398][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.651398][ T10] netlink_unicast+0x449/0x710 [ 2170.651398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.651398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.651398][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.651398][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.651398][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.651398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.651398][ T10] [ 2170.653423][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2170.653423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.653423][ T10] ipv6_find_idev+0x102/0x170 [ 2170.653423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.653423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.653423][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.653423][ T10] netlink_unicast+0x449/0x710 [ 2170.653423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.653423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.653423][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.653423][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.653423][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.653423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.653423][ T10] [ 2170.654968][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2170.654968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.654968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.654968][ T10] ipv6_find_idev+0x102/0x170 [ 2170.654968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.654968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.654968][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.654968][ T10] netlink_unicast+0x449/0x710 [ 2170.654968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.654968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.654968][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.654968][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.654968][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.654968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.654968][ T10] [ 2170.656669][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2170.656956][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2170.656956][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.656956][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.656956][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.656956][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.656956][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.656956][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.656956][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.656956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.656956][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.656956][ T10] netlink_unicast+0x449/0x710 [ 2170.656956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.656956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.656956][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.656956][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.656956][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.656956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.656956][ T10] [ 2170.658954][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2170.658954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.658954][ T10] ipv6_find_idev+0x102/0x170 [ 2170.658954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.658954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.658954][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.658954][ T10] netlink_unicast+0x449/0x710 [ 2170.658954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.658954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.658954][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.658954][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.658954][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.658954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.658954][ T10] [ 2170.660538][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2170.660538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.660538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.660538][ T10] ipv6_find_idev+0x102/0x170 [ 2170.660538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.660538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.660538][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.660538][ T10] netlink_unicast+0x449/0x710 [ 2170.660538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.660538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.660538][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.660538][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.660538][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.660538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.660538][ T10] [ 2170.662236][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2170.662505][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2170.662505][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.662505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.662505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.662505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.662505][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.662505][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.662505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.662505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.662505][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.662505][ T10] netlink_unicast+0x449/0x710 [ 2170.662505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.662505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.662505][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.662505][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.662505][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.662505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.662505][ T10] [ 2170.664506][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2170.664506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.664506][ T10] ipv6_find_idev+0x102/0x170 [ 2170.664506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.664506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.664506][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.664506][ T10] netlink_unicast+0x449/0x710 [ 2170.664506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.664506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.664506][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.664506][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.664506][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.664506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.664506][ T10] [ 2170.666042][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2170.666042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.666042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.666042][ T10] ipv6_find_idev+0x102/0x170 [ 2170.666042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.666042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.666042][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.666042][ T10] netlink_unicast+0x449/0x710 [ 2170.666042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.666042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.666042][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.666042][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.666042][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.666042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.666042][ T10] [ 2170.668102][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2170.668385][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2170.668385][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.668385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.668385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.668385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.668385][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.668385][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.668385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.668385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.668385][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.668385][ T10] netlink_unicast+0x449/0x710 [ 2170.668385][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.668385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.668385][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.668385][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.668385][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.668385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.668385][ T10] [ 2170.670380][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2170.670380][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.670380][ T10] ipv6_find_idev+0x102/0x170 [ 2170.670380][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.670380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.670380][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.670380][ T10] netlink_unicast+0x449/0x710 [ 2170.670380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.670380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.670380][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.670380][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.670380][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.670380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.670380][ T10] [ 2170.672297][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2170.672297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.672297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.672297][ T10] ipv6_find_idev+0x102/0x170 [ 2170.672297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.672297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.672297][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.672297][ T10] netlink_unicast+0x449/0x710 [ 2170.672297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.672297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.672297][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.672297][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.672297][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.672297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.672297][ T10] [ 2170.674394][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2170.675001][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2170.675001][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.675001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.675001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.675001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.675001][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.675001][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.675001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.675001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.675001][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.675001][ T10] netlink_unicast+0x449/0x710 [ 2170.675001][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.675001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.675001][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.675001][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.675001][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.675001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.675001][ T10] [ 2170.677027][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2170.677027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.677027][ T10] ipv6_find_idev+0x102/0x170 [ 2170.677027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.677027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.677027][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.677027][ T10] netlink_unicast+0x449/0x710 [ 2170.677027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.677027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.677027][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.677027][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.677027][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.677027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.677027][ T10] [ 2170.678562][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2170.678562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.678562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.678562][ T10] ipv6_find_idev+0x102/0x170 [ 2170.678562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.678562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.678562][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.678562][ T10] netlink_unicast+0x449/0x710 [ 2170.678562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.678562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.678562][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.678562][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.678562][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.678562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.678562][ T10] [ 2170.680247][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2170.680509][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2170.680509][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.680509][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.680509][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.680509][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.680509][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.680509][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.680509][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.680509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.680509][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.680509][ T10] netlink_unicast+0x449/0x710 [ 2170.680509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.680509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.680509][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.680509][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.680509][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.680509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.680509][ T10] [ 2170.682509][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2170.682509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.682509][ T10] ipv6_find_idev+0x102/0x170 [ 2170.682509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.682509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.682509][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.682509][ T10] netlink_unicast+0x449/0x710 [ 2170.682509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.682509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.682509][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.682509][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.682509][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.682509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.682509][ T10] [ 2170.684107][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2170.684107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.684107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.684107][ T10] ipv6_find_idev+0x102/0x170 [ 2170.684107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.684107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.684107][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.684107][ T10] netlink_unicast+0x449/0x710 [ 2170.684107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.684107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.684107][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.684107][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.684107][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.684107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.684107][ T10] [ 2170.686018][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2170.686335][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2170.686335][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.686335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.686335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.686335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.686335][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.686335][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.686335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.686335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.686335][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.686335][ T10] netlink_unicast+0x449/0x710 [ 2170.686335][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.686335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.686335][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.686335][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.686335][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.686335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.686335][ T10] [ 2170.688570][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2170.688570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.688570][ T10] ipv6_find_idev+0x102/0x170 [ 2170.688570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.688570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.688570][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.688570][ T10] netlink_unicast+0x449/0x710 [ 2170.688570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.688570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.688570][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.688570][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.688570][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.688570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.688570][ T10] [ 2170.690287][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2170.690287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.690287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.690287][ T10] ipv6_find_idev+0x102/0x170 [ 2170.690287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.690287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.690287][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.690287][ T10] netlink_unicast+0x449/0x710 [ 2170.690287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.690287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.690287][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.690287][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.690287][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.690287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.690287][ T10] [ 2170.692242][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2170.692559][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2170.692559][ T10] netdev_get_by_index+0x5e/0x80 [ 2170.692559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2170.692559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2170.692559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2170.692559][ T10] ipv6_add_addr+0x411/0x2000 [ 2170.692559][ T10] inet6_addr_add+0x30e/0xa40 [ 2170.692559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2170.692559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.692559][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.692559][ T10] netlink_unicast+0x449/0x710 [ 2170.692559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.692559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.692559][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.692559][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.692559][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.692559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.692559][ T10] [ 2170.695095][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2170.695095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2170.695095][ T10] ipv6_find_idev+0x102/0x170 [ 2170.695095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.695095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.695095][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.695095][ T10] netlink_unicast+0x449/0x710 [ 2170.695095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.695095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.695095][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.695095][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.695095][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.695095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.695095][ T10] [ 2170.696808][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2170.696808][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2170.696808][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2170.696808][ T10] ipv6_find_idev+0x102/0x170 [ 2170.696808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2170.696808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2170.696808][ T10] netlink_rcv_skb+0x130/0x360 [ 2170.696808][ T10] netlink_unicast+0x449/0x710 [ 2170.696808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2170.696808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2170.696808][ T10] ___sys_sendmsg+0xee/0x170 [ 2170.696808][ T10] __sys_sendmsg+0xcd/0x170 [ 2170.696808][ T10] do_syscall_64+0xc6/0x1e0 [ 2170.696808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2170.696808][ T10] [ 2180.762939][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2180.763347][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2180.763347][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.763347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.763347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.763347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.763347][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.763347][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.763347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.763347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.763347][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.763347][ T10] netlink_unicast+0x449/0x710 [ 2180.763347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.763347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.763347][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.763347][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.763347][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.763347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.763347][ T10] [ 2180.765349][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2180.765349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.765349][ T10] ipv6_find_idev+0x102/0x170 [ 2180.765349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.765349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.765349][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.765349][ T10] netlink_unicast+0x449/0x710 [ 2180.765349][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.765349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.765349][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.765349][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.765349][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.765349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.765349][ T10] [ 2180.766887][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2180.766887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.766887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.766887][ T10] ipv6_find_idev+0x102/0x170 [ 2180.766887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.766887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.766887][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.766887][ T10] netlink_unicast+0x449/0x710 [ 2180.766887][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.766887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.766887][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.766887][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.766887][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.766887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.766887][ T10] [ 2180.768583][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2180.768857][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2180.768857][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.768857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.768857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.768857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.768857][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.768857][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.768857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.768857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.768857][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.768857][ T10] netlink_unicast+0x449/0x710 [ 2180.768857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.768857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.768857][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.768857][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.768857][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.768857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.768857][ T10] [ 2180.770847][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2180.770847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.770847][ T10] ipv6_find_idev+0x102/0x170 [ 2180.770847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.770847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.770847][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.770847][ T10] netlink_unicast+0x449/0x710 [ 2180.770847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.770847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.770847][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.770847][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.770847][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.770847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.770847][ T10] [ 2180.772376][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2180.772376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.772376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.772376][ T10] ipv6_find_idev+0x102/0x170 [ 2180.772376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.772376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.772376][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.772376][ T10] netlink_unicast+0x449/0x710 [ 2180.772376][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.772376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.772376][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.772376][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.772376][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.772376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.772376][ T10] [ 2180.774068][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2180.774331][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2180.774331][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.774331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.774331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.774331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.774331][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.774331][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.774331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.774331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.774331][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.774331][ T10] netlink_unicast+0x449/0x710 [ 2180.774331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.774331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.774331][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.774331][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.774331][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.774331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.774331][ T10] [ 2180.776313][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2180.776313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.776313][ T10] ipv6_find_idev+0x102/0x170 [ 2180.776313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.776313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.776313][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.776313][ T10] netlink_unicast+0x449/0x710 [ 2180.776313][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.776313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.776313][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.776313][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.776313][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.776313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.776313][ T10] [ 2180.777845][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2180.777845][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.777845][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.777845][ T10] ipv6_find_idev+0x102/0x170 [ 2180.777845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.777845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.777845][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.777845][ T10] netlink_unicast+0x449/0x710 [ 2180.777845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.777845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.777845][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.777845][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.777845][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.777845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.777845][ T10] [ 2180.779539][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2180.779806][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2180.779806][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.779806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.779806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.779806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.779806][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.779806][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.779806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.779806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.779806][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.779806][ T10] netlink_unicast+0x449/0x710 [ 2180.779806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.779806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.779806][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.779806][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.779806][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.779806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.779806][ T10] [ 2180.781795][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2180.781795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.781795][ T10] ipv6_find_idev+0x102/0x170 [ 2180.781795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.781795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.781795][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.781795][ T10] netlink_unicast+0x449/0x710 [ 2180.781795][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.781795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.781795][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.781795][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.781795][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.781795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.781795][ T10] [ 2180.783336][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2180.783336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.783336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.783336][ T10] ipv6_find_idev+0x102/0x170 [ 2180.783336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.783336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.783336][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.783336][ T10] netlink_unicast+0x449/0x710 [ 2180.783336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.783336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.783336][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.783336][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.783336][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.783336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.783336][ T10] [ 2180.785425][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2180.786035][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2180.786035][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.786035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.786035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.786035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.786035][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.786035][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.786035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.786035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.786035][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.786035][ T10] netlink_unicast+0x449/0x710 [ 2180.786035][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.786035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.786035][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.786035][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.786035][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.786035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.786035][ T10] [ 2180.788473][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2180.788473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.788473][ T10] ipv6_find_idev+0x102/0x170 [ 2180.788473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.788473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.788473][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.788473][ T10] netlink_unicast+0x449/0x710 [ 2180.788473][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.788473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.788473][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.788473][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.788473][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.788473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.788473][ T10] [ 2180.790006][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2180.790006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.790006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.790006][ T10] ipv6_find_idev+0x102/0x170 [ 2180.790006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.790006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.790006][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.790006][ T10] netlink_unicast+0x449/0x710 [ 2180.790006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.790006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.790006][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.790006][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.790006][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.790006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.790006][ T10] [ 2180.791695][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2180.792029][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2180.792029][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.792029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.792029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.792029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.792029][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.792029][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.792029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.792029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.792029][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.792029][ T10] netlink_unicast+0x449/0x710 [ 2180.792029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.792029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.792029][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.792029][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.792029][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.792029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.792029][ T10] [ 2180.794041][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2180.794041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.794041][ T10] ipv6_find_idev+0x102/0x170 [ 2180.794041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.794041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.794041][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.794041][ T10] netlink_unicast+0x449/0x710 [ 2180.794041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.794041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.794041][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.794041][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.794041][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.794041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.794041][ T10] [ 2180.795580][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2180.795580][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.795580][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.795580][ T10] ipv6_find_idev+0x102/0x170 [ 2180.795580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.795580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.795580][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.795580][ T10] netlink_unicast+0x449/0x710 [ 2180.795580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.795580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.795580][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.795580][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.795580][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.795580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.795580][ T10] [ 2180.797579][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2180.797937][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2180.797937][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.797937][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.797937][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.797937][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.797937][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.797937][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.797937][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.797937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.797937][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.797937][ T10] netlink_unicast+0x449/0x710 [ 2180.797937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.797937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.797937][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.797937][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.797937][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.797937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.797937][ T10] [ 2180.800037][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2180.800037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.800037][ T10] ipv6_find_idev+0x102/0x170 [ 2180.800037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.800037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.800037][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.800037][ T10] netlink_unicast+0x449/0x710 [ 2180.800037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.800037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.800037][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.800037][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.800037][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.800037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.800037][ T10] [ 2180.801743][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2180.801743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.801743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.801743][ T10] ipv6_find_idev+0x102/0x170 [ 2180.801743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.801743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.801743][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.801743][ T10] netlink_unicast+0x449/0x710 [ 2180.801743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.801743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.801743][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.801743][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.801743][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.801743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.801743][ T10] [ 2180.803706][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2180.804022][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2180.804022][ T10] netdev_get_by_index+0x5e/0x80 [ 2180.804022][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2180.804022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2180.804022][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2180.804022][ T10] ipv6_add_addr+0x411/0x2000 [ 2180.804022][ T10] inet6_addr_add+0x30e/0xa40 [ 2180.804022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2180.804022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.804022][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.804022][ T10] netlink_unicast+0x449/0x710 [ 2180.804022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.804022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.804022][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.804022][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.804022][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.804022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.804022][ T10] [ 2180.806189][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2180.806189][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2180.806189][ T10] ipv6_find_idev+0x102/0x170 [ 2180.806189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.806189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.806189][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.806189][ T10] netlink_unicast+0x449/0x710 [ 2180.806189][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.806189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.806189][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.806189][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.806189][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.806189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.806189][ T10] [ 2180.807894][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2180.807894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2180.807894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2180.807894][ T10] ipv6_find_idev+0x102/0x170 [ 2180.807894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2180.807894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2180.807894][ T10] netlink_rcv_skb+0x130/0x360 [ 2180.807894][ T10] netlink_unicast+0x449/0x710 [ 2180.807894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2180.807894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2180.807894][ T10] ___sys_sendmsg+0xee/0x170 [ 2180.807894][ T10] __sys_sendmsg+0xcd/0x170 [ 2180.807894][ T10] do_syscall_64+0xc6/0x1e0 [ 2180.807894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2180.807894][ T10] [ 2191.050902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2191.051528][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2191.051528][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.051528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.051528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.051528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.051528][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.051528][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.051528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.051528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.051528][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.051528][ T10] netlink_unicast+0x449/0x710 [ 2191.051528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.051528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.051528][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.051528][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.051528][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.051528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.051528][ T10] [ 2191.054663][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2191.054663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.054663][ T10] ipv6_find_idev+0x102/0x170 [ 2191.054663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.054663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.054663][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.054663][ T10] netlink_unicast+0x449/0x710 [ 2191.054663][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.054663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.054663][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.054663][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.054663][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.054663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.054663][ T10] [ 2191.057075][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2191.057075][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.057075][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.057075][ T10] ipv6_find_idev+0x102/0x170 [ 2191.057075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.057075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.057075][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.057075][ T10] netlink_unicast+0x449/0x710 [ 2191.057075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.057075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.057075][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.057075][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.057075][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.057075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.057075][ T10] [ 2191.059774][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2191.060237][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2191.060237][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.060237][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.060237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.060237][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.060237][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.060237][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.060237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.060237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.060237][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.060237][ T10] netlink_unicast+0x449/0x710 [ 2191.060237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.060237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.060237][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.060237][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.060237][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.060237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.060237][ T10] [ 2191.063476][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2191.063476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.063476][ T10] ipv6_find_idev+0x102/0x170 [ 2191.063476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.063476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.063476][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.063476][ T10] netlink_unicast+0x449/0x710 [ 2191.063476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.063476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.063476][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.063476][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.063476][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.063476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.063476][ T10] [ 2191.065898][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2191.065898][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.065898][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.065898][ T10] ipv6_find_idev+0x102/0x170 [ 2191.065898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.065898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.065898][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.065898][ T10] netlink_unicast+0x449/0x710 [ 2191.065898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.065898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.065898][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.065898][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.065898][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.065898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.065898][ T10] [ 2191.068580][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2191.068996][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2191.068996][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.068996][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.068996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.068996][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.068996][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.068996][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.068996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.068996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.068996][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.068996][ T10] netlink_unicast+0x449/0x710 [ 2191.068996][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.068996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.068996][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.068996][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.068996][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.068996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.068996][ T10] [ 2191.071963][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2191.071963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.071963][ T10] ipv6_find_idev+0x102/0x170 [ 2191.071963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.071963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.071963][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.071963][ T10] netlink_unicast+0x449/0x710 [ 2191.071963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.071963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.071963][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.071963][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.071963][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.071963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.071963][ T10] [ 2191.074305][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2191.074305][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.074305][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.074305][ T10] ipv6_find_idev+0x102/0x170 [ 2191.074305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.074305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.074305][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.074305][ T10] netlink_unicast+0x449/0x710 [ 2191.074305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.074305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.074305][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.074305][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.074305][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.074305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.074305][ T10] [ 2191.076898][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2191.077331][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2191.077331][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.077331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.077331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.077331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.077331][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.077331][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.077331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.077331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.077331][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.077331][ T10] netlink_unicast+0x449/0x710 [ 2191.077331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.077331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.077331][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.077331][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.077331][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.077331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.077331][ T10] [ 2191.079536][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2191.079536][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.079536][ T10] ipv6_find_idev+0x102/0x170 [ 2191.079536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.079536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.079536][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.079536][ T10] netlink_unicast+0x449/0x710 [ 2191.079536][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.079536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.079536][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.079536][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.079536][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.079536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.079536][ T10] [ 2191.081076][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2191.081076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.081076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.081076][ T10] ipv6_find_idev+0x102/0x170 [ 2191.081076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.081076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.081076][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.081076][ T10] netlink_unicast+0x449/0x710 [ 2191.081076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.081076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.081076][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.081076][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.081076][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.081076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.081076][ T10] [ 2191.083755][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2191.084583][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2191.084583][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.084583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.084583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.084583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.084583][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.084583][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.084583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.084583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.084583][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.084583][ T10] netlink_unicast+0x449/0x710 [ 2191.084583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.084583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.084583][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.084583][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.084583][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.084583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.084583][ T10] [ 2191.086605][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2191.086605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.086605][ T10] ipv6_find_idev+0x102/0x170 [ 2191.086605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.086605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.086605][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.086605][ T10] netlink_unicast+0x449/0x710 [ 2191.086605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.086605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.086605][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.086605][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.086605][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.086605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.086605][ T10] [ 2191.088142][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2191.088142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.088142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.088142][ T10] ipv6_find_idev+0x102/0x170 [ 2191.088142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.088142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.088142][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.088142][ T10] netlink_unicast+0x449/0x710 [ 2191.088142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.088142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.088142][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.088142][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.088142][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.088142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.088142][ T10] [ 2191.089860][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2191.090129][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2191.090129][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.090129][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.090129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.090129][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.090129][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.090129][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.090129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.090129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.090129][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.090129][ T10] netlink_unicast+0x449/0x710 [ 2191.090129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.090129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.090129][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.090129][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.090129][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.090129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.090129][ T10] [ 2191.092137][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2191.092137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.092137][ T10] ipv6_find_idev+0x102/0x170 [ 2191.092137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.092137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.092137][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.092137][ T10] netlink_unicast+0x449/0x710 [ 2191.092137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.092137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.092137][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.092137][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.092137][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.092137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.092137][ T10] [ 2191.093786][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2191.093786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.093786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.093786][ T10] ipv6_find_idev+0x102/0x170 [ 2191.093786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.093786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.093786][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.093786][ T10] netlink_unicast+0x449/0x710 [ 2191.093786][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.093786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.093786][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.093786][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.093786][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.093786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.093786][ T10] [ 2191.095717][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2191.096037][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2191.096037][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.096037][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.096037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.096037][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.096037][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.096037][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.096037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.096037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.096037][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.096037][ T10] netlink_unicast+0x449/0x710 [ 2191.096037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.096037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.096037][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.096037][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.096037][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.096037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.096037][ T10] [ 2191.098227][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2191.098227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.098227][ T10] ipv6_find_idev+0x102/0x170 [ 2191.098227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.098227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.098227][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.098227][ T10] netlink_unicast+0x449/0x710 [ 2191.098227][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.098227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.098227][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.098227][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.098227][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.098227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.098227][ T10] [ 2191.099953][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2191.099953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.099953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.099953][ T10] ipv6_find_idev+0x102/0x170 [ 2191.099953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.099953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.099953][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.099953][ T10] netlink_unicast+0x449/0x710 [ 2191.099953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.099953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.099953][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.099953][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.099953][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.099953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.099953][ T10] [ 2191.102086][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2191.102405][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2191.102405][ T10] netdev_get_by_index+0x5e/0x80 [ 2191.102405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2191.102405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2191.102405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2191.102405][ T10] ipv6_add_addr+0x411/0x2000 [ 2191.102405][ T10] inet6_addr_add+0x30e/0xa40 [ 2191.102405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2191.102405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.102405][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.102405][ T10] netlink_unicast+0x449/0x710 [ 2191.102405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.102405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.102405][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.102405][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.102405][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.102405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.102405][ T10] [ 2191.104683][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2191.104683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2191.104683][ T10] ipv6_find_idev+0x102/0x170 [ 2191.104683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.104683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.104683][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.104683][ T10] netlink_unicast+0x449/0x710 [ 2191.104683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.104683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.104683][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.104683][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.104683][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.104683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.104683][ T10] [ 2191.106399][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2191.106399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2191.106399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2191.106399][ T10] ipv6_find_idev+0x102/0x170 [ 2191.106399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2191.106399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2191.106399][ T10] netlink_rcv_skb+0x130/0x360 [ 2191.106399][ T10] netlink_unicast+0x449/0x710 [ 2191.106399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2191.106399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2191.106399][ T10] ___sys_sendmsg+0xee/0x170 [ 2191.106399][ T10] __sys_sendmsg+0xcd/0x170 [ 2191.106399][ T10] do_syscall_64+0xc6/0x1e0 [ 2191.106399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2191.106399][ T10] [ 2201.346902][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2201.347372][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2201.347372][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.347372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.347372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.347372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.347372][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.347372][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.347372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.347372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.347372][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.347372][ T10] netlink_unicast+0x449/0x710 [ 2201.347372][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.347372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.347372][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.347372][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.347372][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.347372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.347372][ T10] [ 2201.350242][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2201.350242][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.350242][ T10] ipv6_find_idev+0x102/0x170 [ 2201.350242][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.350242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.350242][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.350242][ T10] netlink_unicast+0x449/0x710 [ 2201.350242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.350242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.350242][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.350242][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.350242][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.350242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.350242][ T10] [ 2201.352548][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2201.352548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.352548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.352548][ T10] ipv6_find_idev+0x102/0x170 [ 2201.352548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.352548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.352548][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.352548][ T10] netlink_unicast+0x449/0x710 [ 2201.352548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.352548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.352548][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.352548][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.352548][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.352548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.352548][ T10] [ 2201.355144][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2201.355577][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2201.355577][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.355577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.355577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.355577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.355577][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.355577][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.355577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.355577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.355577][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.355577][ T10] netlink_unicast+0x449/0x710 [ 2201.355577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.355577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.355577][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.355577][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.355577][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.355577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.355577][ T10] [ 2201.358669][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2201.358669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.358669][ T10] ipv6_find_idev+0x102/0x170 [ 2201.358669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.358669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.358669][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.358669][ T10] netlink_unicast+0x449/0x710 [ 2201.358669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.358669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.358669][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.358669][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.358669][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.358669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.358669][ T10] [ 2201.361088][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2201.361088][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.361088][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.361088][ T10] ipv6_find_idev+0x102/0x170 [ 2201.361088][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.361088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.361088][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.361088][ T10] netlink_unicast+0x449/0x710 [ 2201.361088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.361088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.361088][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.361088][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.361088][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.361088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.361088][ T10] [ 2201.363675][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2201.364119][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2201.364119][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.364119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.364119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.364119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.364119][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.364119][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.364119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.364119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.364119][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.364119][ T10] netlink_unicast+0x449/0x710 [ 2201.364119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.364119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.364119][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.364119][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.364119][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.364119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.364119][ T10] [ 2201.367232][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2201.367232][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.367232][ T10] ipv6_find_idev+0x102/0x170 [ 2201.367232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.367232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.367232][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.367232][ T10] netlink_unicast+0x449/0x710 [ 2201.367232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.367232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.367232][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.367232][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.367232][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.367232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.367232][ T10] [ 2201.369547][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2201.369547][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.369547][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.369547][ T10] ipv6_find_idev+0x102/0x170 [ 2201.369547][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.369547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.369547][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.369547][ T10] netlink_unicast+0x449/0x710 [ 2201.369547][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.369547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.369547][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.369547][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.369547][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.369547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.369547][ T10] [ 2201.372120][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2201.372530][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2201.372530][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.372530][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.372530][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.372530][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.372530][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.372530][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.372530][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.372530][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.372530][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.372530][ T10] netlink_unicast+0x449/0x710 [ 2201.372530][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.372530][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.372530][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.372530][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.372530][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.372530][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.372530][ T10] [ 2201.375561][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2201.375561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.375561][ T10] ipv6_find_idev+0x102/0x170 [ 2201.375561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.375561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.375561][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.375561][ T10] netlink_unicast+0x449/0x710 [ 2201.375561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.375561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.375561][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.375561][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.375561][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.375561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.375561][ T10] [ 2201.377915][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2201.377915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.377915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.377915][ T10] ipv6_find_idev+0x102/0x170 [ 2201.377915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.377915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.377915][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.377915][ T10] netlink_unicast+0x449/0x710 [ 2201.377915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.377915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.377915][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.377915][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.377915][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.377915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.377915][ T10] [ 2201.381192][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2201.382187][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2201.382187][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.382187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.382187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.382187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.382187][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.382187][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.382187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.382187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.382187][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.382187][ T10] netlink_unicast+0x449/0x710 [ 2201.382187][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.382187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.382187][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.382187][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.382187][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.382187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.382187][ T10] [ 2201.385195][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2201.385195][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.385195][ T10] ipv6_find_idev+0x102/0x170 [ 2201.385195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.385195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.385195][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.385195][ T10] netlink_unicast+0x449/0x710 [ 2201.385195][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.385195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.385195][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.385195][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.385195][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.385195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.385195][ T10] [ 2201.387497][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2201.387497][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.387497][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.387497][ T10] ipv6_find_idev+0x102/0x170 [ 2201.387497][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.387497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.387497][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.387497][ T10] netlink_unicast+0x449/0x710 [ 2201.387497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.387497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.387497][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.387497][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.387497][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.387497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.387497][ T10] [ 2201.390055][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2201.390457][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2201.390457][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.390457][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.390457][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.390457][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.390457][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.390457][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.390457][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.390457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.390457][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.390457][ T10] netlink_unicast+0x449/0x710 [ 2201.390457][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.390457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.390457][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.390457][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.390457][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.390457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.390457][ T10] [ 2201.393499][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2201.393499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.393499][ T10] ipv6_find_idev+0x102/0x170 [ 2201.393499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.393499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.393499][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.393499][ T10] netlink_unicast+0x449/0x710 [ 2201.393499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.393499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.393499][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.393499][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.393499][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.393499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.393499][ T10] [ 2201.395947][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2201.395947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.395947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.395947][ T10] ipv6_find_idev+0x102/0x170 [ 2201.395947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.395947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.395947][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.395947][ T10] netlink_unicast+0x449/0x710 [ 2201.395947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.395947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.395947][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.395947][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.395947][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.395947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.395947][ T10] [ 2201.399038][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2201.399525][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2201.399525][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.399525][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.399525][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.399525][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.399525][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.399525][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.399525][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.399525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.399525][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.399525][ T10] netlink_unicast+0x449/0x710 [ 2201.399525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.399525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.399525][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.399525][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.399525][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.399525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.399525][ T10] [ 2201.402909][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2201.402909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.402909][ T10] ipv6_find_idev+0x102/0x170 [ 2201.402909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.402909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.402909][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.402909][ T10] netlink_unicast+0x449/0x710 [ 2201.402909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.402909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.402909][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.402909][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.402909][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.402909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.402909][ T10] [ 2201.405540][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2201.405540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.405540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.405540][ T10] ipv6_find_idev+0x102/0x170 [ 2201.405540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.405540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.405540][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.405540][ T10] netlink_unicast+0x449/0x710 [ 2201.405540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.405540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.405540][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.405540][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.405540][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.405540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.405540][ T10] [ 2201.408692][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2201.409188][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2201.409188][ T10] netdev_get_by_index+0x5e/0x80 [ 2201.409188][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2201.409188][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2201.409188][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2201.409188][ T10] ipv6_add_addr+0x411/0x2000 [ 2201.409188][ T10] inet6_addr_add+0x30e/0xa40 [ 2201.409188][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2201.409188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.409188][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.409188][ T10] netlink_unicast+0x449/0x710 [ 2201.409188][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.409188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.409188][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.409188][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.409188][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.409188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.409188][ T10] [ 2201.412504][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2201.412504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2201.412504][ T10] ipv6_find_idev+0x102/0x170 [ 2201.412504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.412504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.412504][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.412504][ T10] netlink_unicast+0x449/0x710 [ 2201.412504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.412504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.412504][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.412504][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.412504][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.412504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.412504][ T10] [ 2201.415276][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2201.415276][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2201.415276][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2201.415276][ T10] ipv6_find_idev+0x102/0x170 [ 2201.415276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2201.415276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2201.415276][ T10] netlink_rcv_skb+0x130/0x360 [ 2201.415276][ T10] netlink_unicast+0x449/0x710 [ 2201.415276][ T10] netlink_sendmsg+0x723/0xbe0 [ 2201.415276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2201.415276][ T10] ___sys_sendmsg+0xee/0x170 [ 2201.415276][ T10] __sys_sendmsg+0xcd/0x170 [ 2201.415276][ T10] do_syscall_64+0xc6/0x1e0 [ 2201.415276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2201.415276][ T10] [ 2211.658946][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2211.659360][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2211.659360][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.659360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.659360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.659360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.659360][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.659360][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.659360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.659360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.659360][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.659360][ T10] netlink_unicast+0x449/0x710 [ 2211.659360][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.659360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.659360][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.659360][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.659360][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.659360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.659360][ T10] [ 2211.661384][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2211.661384][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.661384][ T10] ipv6_find_idev+0x102/0x170 [ 2211.661384][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.661384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.661384][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.661384][ T10] netlink_unicast+0x449/0x710 [ 2211.661384][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.661384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.661384][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.661384][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.661384][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.661384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.661384][ T10] [ 2211.662962][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2211.662962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.662962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.662962][ T10] ipv6_find_idev+0x102/0x170 [ 2211.662962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.662962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.662962][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.662962][ T10] netlink_unicast+0x449/0x710 [ 2211.662962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.662962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.662962][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.662962][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.662962][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.662962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.662962][ T10] [ 2211.664694][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2211.664997][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2211.664997][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.664997][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.664997][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.664997][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.664997][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.664997][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.664997][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.664997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.664997][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.664997][ T10] netlink_unicast+0x449/0x710 [ 2211.664997][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.664997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.664997][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.664997][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.664997][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.664997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.664997][ T10] [ 2211.666983][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2211.666983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.666983][ T10] ipv6_find_idev+0x102/0x170 [ 2211.666983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.666983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.666983][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.666983][ T10] netlink_unicast+0x449/0x710 [ 2211.666983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.666983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.666983][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.666983][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.666983][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.666983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.666983][ T10] [ 2211.668531][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2211.668531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.668531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.668531][ T10] ipv6_find_idev+0x102/0x170 [ 2211.668531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.668531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.668531][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.668531][ T10] netlink_unicast+0x449/0x710 [ 2211.668531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.668531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.668531][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.668531][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.668531][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.668531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.668531][ T10] [ 2211.670225][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2211.670506][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2211.670506][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.670506][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.670506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.670506][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.670506][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.670506][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.670506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.670506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.670506][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.670506][ T10] netlink_unicast+0x449/0x710 [ 2211.670506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.670506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.670506][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.670506][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.670506][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.670506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.670506][ T10] [ 2211.672511][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2211.672511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.672511][ T10] ipv6_find_idev+0x102/0x170 [ 2211.672511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.672511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.672511][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.672511][ T10] netlink_unicast+0x449/0x710 [ 2211.672511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.672511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.672511][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.672511][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.672511][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.672511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.672511][ T10] [ 2211.674065][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2211.674065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.674065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.674065][ T10] ipv6_find_idev+0x102/0x170 [ 2211.674065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.674065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.674065][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.674065][ T10] netlink_unicast+0x449/0x710 [ 2211.674065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.674065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.674065][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.674065][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.674065][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.674065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.674065][ T10] [ 2211.675760][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2211.676090][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2211.676090][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.676090][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.676090][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.676090][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.676090][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.676090][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.676090][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.676090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.676090][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.676090][ T10] netlink_unicast+0x449/0x710 [ 2211.676090][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.676090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.676090][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.676090][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.676090][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.676090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.676090][ T10] [ 2211.678082][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2211.678082][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.678082][ T10] ipv6_find_idev+0x102/0x170 [ 2211.678082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.678082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.678082][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.678082][ T10] netlink_unicast+0x449/0x710 [ 2211.678082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.678082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.678082][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.678082][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.678082][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.678082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.678082][ T10] [ 2211.679619][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2211.679619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.679619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.679619][ T10] ipv6_find_idev+0x102/0x170 [ 2211.679619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.679619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.679619][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.679619][ T10] netlink_unicast+0x449/0x710 [ 2211.679619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.679619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.679619][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.679619][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.679619][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.679619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.679619][ T10] [ 2211.681346][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2211.681650][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2211.681650][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.681650][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.681650][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.681650][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.681650][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.681650][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.681650][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.681650][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.681650][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.681650][ T10] netlink_unicast+0x449/0x710 [ 2211.681650][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.681650][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.681650][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.681650][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.681650][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.681650][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.681650][ T10] [ 2211.683643][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2211.683643][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.683643][ T10] ipv6_find_idev+0x102/0x170 [ 2211.683643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.683643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.683643][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.683643][ T10] netlink_unicast+0x449/0x710 [ 2211.683643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.683643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.683643][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.683643][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.683643][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.683643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.683643][ T10] [ 2211.685178][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2211.685178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.685178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.685178][ T10] ipv6_find_idev+0x102/0x170 [ 2211.685178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.685178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.685178][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.685178][ T10] netlink_unicast+0x449/0x710 [ 2211.685178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.685178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.685178][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.685178][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.685178][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.685178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.685178][ T10] [ 2211.687089][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2211.687397][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2211.687397][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.687397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.687397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.687397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.687397][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.687397][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.687397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.687397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.687397][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.687397][ T10] netlink_unicast+0x449/0x710 [ 2211.687397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.687397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.687397][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.687397][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.687397][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.687397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.687397][ T10] [ 2211.689559][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2211.689559][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.689559][ T10] ipv6_find_idev+0x102/0x170 [ 2211.689559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.689559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.689559][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.689559][ T10] netlink_unicast+0x449/0x710 [ 2211.689559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.689559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.689559][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.689559][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.689559][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.689559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.689559][ T10] [ 2211.691260][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2211.691260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.691260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.691260][ T10] ipv6_find_idev+0x102/0x170 [ 2211.691260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.691260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.691260][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.691260][ T10] netlink_unicast+0x449/0x710 [ 2211.691260][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.691260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.691260][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.691260][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.691260][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.691260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.691260][ T10] [ 2211.693148][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2211.693456][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2211.693456][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.693456][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.693456][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.693456][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.693456][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.693456][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.693456][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.693456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.693456][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.693456][ T10] netlink_unicast+0x449/0x710 [ 2211.693456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.693456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.693456][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.693456][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.693456][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.693456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.693456][ T10] [ 2211.695594][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2211.695594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.695594][ T10] ipv6_find_idev+0x102/0x170 [ 2211.695594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.695594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.695594][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.695594][ T10] netlink_unicast+0x449/0x710 [ 2211.695594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.695594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.695594][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.695594][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.695594][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.695594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.695594][ T10] [ 2211.697213][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2211.697213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.697213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.697213][ T10] ipv6_find_idev+0x102/0x170 [ 2211.697213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.697213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.697213][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.697213][ T10] netlink_unicast+0x449/0x710 [ 2211.697213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.697213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.697213][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.697213][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.697213][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.697213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.697213][ T10] [ 2211.699069][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2211.699380][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2211.699380][ T10] netdev_get_by_index+0x5e/0x80 [ 2211.699380][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2211.699380][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2211.699380][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2211.699380][ T10] ipv6_add_addr+0x411/0x2000 [ 2211.699380][ T10] inet6_addr_add+0x30e/0xa40 [ 2211.699380][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2211.699380][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.699380][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.699380][ T10] netlink_unicast+0x449/0x710 [ 2211.699380][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.699380][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.699380][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.699380][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.699380][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.699380][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.699380][ T10] [ 2211.701520][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2211.701520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2211.701520][ T10] ipv6_find_idev+0x102/0x170 [ 2211.701520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.701520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.701520][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.701520][ T10] netlink_unicast+0x449/0x710 [ 2211.701520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.701520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.701520][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.701520][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.701520][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.701520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.701520][ T10] [ 2211.703130][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2211.703130][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2211.703130][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2211.703130][ T10] ipv6_find_idev+0x102/0x170 [ 2211.703130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2211.703130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2211.703130][ T10] netlink_rcv_skb+0x130/0x360 [ 2211.703130][ T10] netlink_unicast+0x449/0x710 [ 2211.703130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2211.703130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2211.703130][ T10] ___sys_sendmsg+0xee/0x170 [ 2211.703130][ T10] __sys_sendmsg+0xcd/0x170 [ 2211.703130][ T10] do_syscall_64+0xc6/0x1e0 [ 2211.703130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2211.703130][ T10] [ 2221.834908][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2221.835361][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2221.835361][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.835361][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.835361][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.835361][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.835361][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.835361][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.835361][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.835361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.835361][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.835361][ T10] netlink_unicast+0x449/0x710 [ 2221.835361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.835361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.835361][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.835361][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.835361][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.835361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.835361][ T10] [ 2221.837365][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2221.837365][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.837365][ T10] ipv6_find_idev+0x102/0x170 [ 2221.837365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.837365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.837365][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.837365][ T10] netlink_unicast+0x449/0x710 [ 2221.837365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.837365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.837365][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.837365][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.837365][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.837365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.837365][ T10] [ 2221.838900][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2221.838900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.838900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.838900][ T10] ipv6_find_idev+0x102/0x170 [ 2221.838900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.838900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.838900][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.838900][ T10] netlink_unicast+0x449/0x710 [ 2221.838900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.838900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.838900][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.838900][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.838900][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.838900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.838900][ T10] [ 2221.840596][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2221.840870][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2221.840870][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.840870][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.840870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.840870][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.840870][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.840870][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.840870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.840870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.840870][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.840870][ T10] netlink_unicast+0x449/0x710 [ 2221.840870][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.840870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.840870][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.840870][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.840870][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.840870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.840870][ T10] [ 2221.842860][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2221.842860][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.842860][ T10] ipv6_find_idev+0x102/0x170 [ 2221.842860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.842860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.842860][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.842860][ T10] netlink_unicast+0x449/0x710 [ 2221.842860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.842860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.842860][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.842860][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.842860][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.842860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.842860][ T10] [ 2221.844390][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2221.844390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.844390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.844390][ T10] ipv6_find_idev+0x102/0x170 [ 2221.844390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.844390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.844390][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.844390][ T10] netlink_unicast+0x449/0x710 [ 2221.844390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.844390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.844390][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.844390][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.844390][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.844390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.844390][ T10] [ 2221.846066][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2221.846333][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2221.846333][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.846333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.846333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.846333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.846333][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.846333][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.846333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.846333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.846333][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.846333][ T10] netlink_unicast+0x449/0x710 [ 2221.846333][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.846333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.846333][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.846333][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.846333][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.846333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.846333][ T10] [ 2221.848327][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2221.848327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.848327][ T10] ipv6_find_idev+0x102/0x170 [ 2221.848327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.848327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.848327][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.848327][ T10] netlink_unicast+0x449/0x710 [ 2221.848327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.848327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.848327][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.848327][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.848327][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.848327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.848327][ T10] [ 2221.849862][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2221.849862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.849862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.849862][ T10] ipv6_find_idev+0x102/0x170 [ 2221.849862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.849862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.849862][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.849862][ T10] netlink_unicast+0x449/0x710 [ 2221.849862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.849862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.849862][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.849862][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.849862][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.849862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.849862][ T10] [ 2221.851546][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2221.851821][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2221.851821][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.851821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.851821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.851821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.851821][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.851821][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.851821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.851821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.851821][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.851821][ T10] netlink_unicast+0x449/0x710 [ 2221.851821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.851821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.851821][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.851821][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.851821][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.851821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.851821][ T10] [ 2221.853814][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2221.853814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.853814][ T10] ipv6_find_idev+0x102/0x170 [ 2221.853814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.853814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.853814][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.853814][ T10] netlink_unicast+0x449/0x710 [ 2221.853814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.853814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.853814][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.853814][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.853814][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.853814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.853814][ T10] [ 2221.855345][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2221.855345][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.855345][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.855345][ T10] ipv6_find_idev+0x102/0x170 [ 2221.855345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.855345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.855345][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.855345][ T10] netlink_unicast+0x449/0x710 [ 2221.855345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.855345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.855345][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.855345][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.855345][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.855345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.855345][ T10] [ 2221.857418][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2221.858025][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2221.858025][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.858025][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.858025][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.858025][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.858025][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.858025][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.858025][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.858025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.858025][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.858025][ T10] netlink_unicast+0x449/0x710 [ 2221.858025][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.858025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.858025][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.858025][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.858025][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.858025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.858025][ T10] [ 2221.860000][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2221.860000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.860000][ T10] ipv6_find_idev+0x102/0x170 [ 2221.860000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.860000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.860000][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.860000][ T10] netlink_unicast+0x449/0x710 [ 2221.860000][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.860000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.860000][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.860000][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.860000][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.860000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.860000][ T10] [ 2221.861525][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2221.861525][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.861525][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.861525][ T10] ipv6_find_idev+0x102/0x170 [ 2221.861525][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.861525][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.861525][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.861525][ T10] netlink_unicast+0x449/0x710 [ 2221.861525][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.861525][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.861525][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.861525][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.861525][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.861525][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.861525][ T10] [ 2221.863202][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2221.863464][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2221.863464][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.863464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.863464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.863464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.863464][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.863464][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.863464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.863464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.863464][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.863464][ T10] netlink_unicast+0x449/0x710 [ 2221.863464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.863464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.863464][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.863464][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.863464][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.863464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.863464][ T10] [ 2221.865448][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2221.865448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.865448][ T10] ipv6_find_idev+0x102/0x170 [ 2221.865448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.865448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.865448][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.865448][ T10] netlink_unicast+0x449/0x710 [ 2221.865448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.865448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.865448][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.865448][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.865448][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.865448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.865448][ T10] [ 2221.867032][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2221.867032][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.867032][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.867032][ T10] ipv6_find_idev+0x102/0x170 [ 2221.867032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.867032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.867032][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.867032][ T10] netlink_unicast+0x449/0x710 [ 2221.867032][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.867032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.867032][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.867032][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.867032][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.867032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.867032][ T10] [ 2221.868934][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2221.869242][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2221.869242][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.869242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.869242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.869242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.869242][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.869242][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.869242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.869242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.869242][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.869242][ T10] netlink_unicast+0x449/0x710 [ 2221.869242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.869242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.869242][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.869242][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.869242][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.869242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.869242][ T10] [ 2221.871405][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2221.871405][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.871405][ T10] ipv6_find_idev+0x102/0x170 [ 2221.871405][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.871405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.871405][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.871405][ T10] netlink_unicast+0x449/0x710 [ 2221.871405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.871405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.871405][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.871405][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.871405][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.871405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.871405][ T10] [ 2221.873183][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2221.873183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.873183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.873183][ T10] ipv6_find_idev+0x102/0x170 [ 2221.873183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.873183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.873183][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.873183][ T10] netlink_unicast+0x449/0x710 [ 2221.873183][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.873183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.873183][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.873183][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.873183][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.873183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.873183][ T10] [ 2221.875646][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2221.875962][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2221.875962][ T10] netdev_get_by_index+0x5e/0x80 [ 2221.875962][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2221.875962][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2221.875962][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2221.875962][ T10] ipv6_add_addr+0x411/0x2000 [ 2221.875962][ T10] inet6_addr_add+0x30e/0xa40 [ 2221.875962][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2221.875962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.875962][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.875962][ T10] netlink_unicast+0x449/0x710 [ 2221.875962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.875962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.875962][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.875962][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.875962][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.875962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.875962][ T10] [ 2221.878529][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2221.878529][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2221.878529][ T10] ipv6_find_idev+0x102/0x170 [ 2221.878529][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.878529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.878529][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.878529][ T10] netlink_unicast+0x449/0x710 [ 2221.878529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.878529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.878529][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.878529][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.878529][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.878529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.878529][ T10] [ 2221.880231][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2221.880231][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2221.880231][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2221.880231][ T10] ipv6_find_idev+0x102/0x170 [ 2221.880231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2221.880231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2221.880231][ T10] netlink_rcv_skb+0x130/0x360 [ 2221.880231][ T10] netlink_unicast+0x449/0x710 [ 2221.880231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2221.880231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2221.880231][ T10] ___sys_sendmsg+0xee/0x170 [ 2221.880231][ T10] __sys_sendmsg+0xcd/0x170 [ 2221.880231][ T10] do_syscall_64+0xc6/0x1e0 [ 2221.880231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2221.880231][ T10] [ 2231.946892][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2231.947505][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2231.947505][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.947505][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.947505][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.947505][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.947505][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.947505][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.947505][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.947505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.947505][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.947505][ T10] netlink_unicast+0x449/0x710 [ 2231.947505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.947505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.947505][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.947505][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.947505][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.947505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.947505][ T10] [ 2231.950623][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2231.950623][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.950623][ T10] ipv6_find_idev+0x102/0x170 [ 2231.950623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.950623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.950623][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.950623][ T10] netlink_unicast+0x449/0x710 [ 2231.950623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.950623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.950623][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.950623][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.950623][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.950623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.950623][ T10] [ 2231.953041][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2231.953041][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.953041][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.953041][ T10] ipv6_find_idev+0x102/0x170 [ 2231.953041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.953041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.953041][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.953041][ T10] netlink_unicast+0x449/0x710 [ 2231.953041][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.953041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.953041][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.953041][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.953041][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.953041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.953041][ T10] [ 2231.955681][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2231.956113][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2231.956113][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.956113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.956113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.956113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.956113][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.956113][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.956113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.956113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.956113][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.956113][ T10] netlink_unicast+0x449/0x710 [ 2231.956113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.956113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.956113][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.956113][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.956113][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.956113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.956113][ T10] [ 2231.959610][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2231.959610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.959610][ T10] ipv6_find_idev+0x102/0x170 [ 2231.959610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.959610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.959610][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.959610][ T10] netlink_unicast+0x449/0x710 [ 2231.959610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.959610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.959610][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.959610][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.959610][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.959610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.959610][ T10] [ 2231.962004][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2231.962004][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.962004][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.962004][ T10] ipv6_find_idev+0x102/0x170 [ 2231.962004][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.962004][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.962004][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.962004][ T10] netlink_unicast+0x449/0x710 [ 2231.962004][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.962004][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.962004][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.962004][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.962004][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.962004][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.962004][ T10] [ 2231.964640][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2231.965067][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2231.965067][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.965067][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.965067][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.965067][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.965067][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.965067][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.965067][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.965067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.965067][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.965067][ T10] netlink_unicast+0x449/0x710 [ 2231.965067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.965067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.965067][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.965067][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.965067][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.965067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.965067][ T10] [ 2231.968174][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2231.968174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.968174][ T10] ipv6_find_idev+0x102/0x170 [ 2231.968174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.968174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.968174][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.968174][ T10] netlink_unicast+0x449/0x710 [ 2231.968174][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.968174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.968174][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.968174][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.968174][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.968174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.968174][ T10] [ 2231.970573][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2231.970573][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.970573][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.970573][ T10] ipv6_find_idev+0x102/0x170 [ 2231.970573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.970573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.970573][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.970573][ T10] netlink_unicast+0x449/0x710 [ 2231.970573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.970573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.970573][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.970573][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.970573][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.970573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.970573][ T10] [ 2231.973197][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2231.973608][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2231.973608][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.973608][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.973608][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.973608][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.973608][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.973608][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.973608][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.973608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.973608][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.973608][ T10] netlink_unicast+0x449/0x710 [ 2231.973608][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.973608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.973608][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.973608][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.973608][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.973608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.973608][ T10] [ 2231.976806][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2231.976806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.976806][ T10] ipv6_find_idev+0x102/0x170 [ 2231.976806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.976806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.976806][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.976806][ T10] netlink_unicast+0x449/0x710 [ 2231.976806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.976806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.976806][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.976806][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.976806][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.976806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.976806][ T10] [ 2231.979209][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2231.979209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.979209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.979209][ T10] ipv6_find_idev+0x102/0x170 [ 2231.979209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.979209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.979209][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.979209][ T10] netlink_unicast+0x449/0x710 [ 2231.979209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.979209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.979209][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.979209][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.979209][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.979209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.979209][ T10] [ 2231.982619][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2231.983706][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2231.983706][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.983706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.983706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.983706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.983706][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.983706][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.983706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.983706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.983706][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.983706][ T10] netlink_unicast+0x449/0x710 [ 2231.983706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.983706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.983706][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.983706][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.983706][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.983706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.983706][ T10] [ 2231.986801][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2231.986801][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.986801][ T10] ipv6_find_idev+0x102/0x170 [ 2231.986801][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.986801][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.986801][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.986801][ T10] netlink_unicast+0x449/0x710 [ 2231.986801][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.986801][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.986801][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.986801][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.986801][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.986801][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.986801][ T10] [ 2231.989185][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2231.989185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.989185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.989185][ T10] ipv6_find_idev+0x102/0x170 [ 2231.989185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.989185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.989185][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.989185][ T10] netlink_unicast+0x449/0x710 [ 2231.989185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.989185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.989185][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.989185][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.989185][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.989185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.989185][ T10] [ 2231.991787][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2231.992301][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2231.992301][ T10] netdev_get_by_index+0x5e/0x80 [ 2231.992301][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2231.992301][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2231.992301][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2231.992301][ T10] ipv6_add_addr+0x411/0x2000 [ 2231.992301][ T10] inet6_addr_add+0x30e/0xa40 [ 2231.992301][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2231.992301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.992301][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.992301][ T10] netlink_unicast+0x449/0x710 [ 2231.992301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.992301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.992301][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.992301][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.992301][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.992301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.992301][ T10] [ 2231.995411][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2231.995411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2231.995411][ T10] ipv6_find_idev+0x102/0x170 [ 2231.995411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.995411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.995411][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.995411][ T10] netlink_unicast+0x449/0x710 [ 2231.995411][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.995411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.995411][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.995411][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.995411][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.995411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.995411][ T10] [ 2231.997830][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2231.997830][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2231.997830][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2231.997830][ T10] ipv6_find_idev+0x102/0x170 [ 2231.997830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2231.997830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2231.997830][ T10] netlink_rcv_skb+0x130/0x360 [ 2231.997830][ T10] netlink_unicast+0x449/0x710 [ 2231.997830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2231.997830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2231.997830][ T10] ___sys_sendmsg+0xee/0x170 [ 2231.997830][ T10] __sys_sendmsg+0xcd/0x170 [ 2231.997830][ T10] do_syscall_64+0xc6/0x1e0 [ 2231.997830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2231.997830][ T10] [ 2232.000862][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2232.001266][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2232.001266][ T10] netdev_get_by_index+0x5e/0x80 [ 2232.001266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2232.001266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2232.001266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2232.001266][ T10] ipv6_add_addr+0x411/0x2000 [ 2232.001266][ T10] inet6_addr_add+0x30e/0xa40 [ 2232.001266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2232.001266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2232.001266][ T10] netlink_rcv_skb+0x130/0x360 [ 2232.001266][ T10] netlink_unicast+0x449/0x710 [ 2232.001266][ T10] netlink_sendmsg+0x723/0xbe0 [ 2232.001266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2232.001266][ T10] ___sys_sendmsg+0xee/0x170 [ 2232.001266][ T10] __sys_sendmsg+0xcd/0x170 [ 2232.001266][ T10] do_syscall_64+0xc6/0x1e0 [ 2232.001266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2232.001266][ T10] [ 2232.004934][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2232.004934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2232.004934][ T10] ipv6_find_idev+0x102/0x170 [ 2232.004934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2232.004934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2232.004934][ T10] netlink_rcv_skb+0x130/0x360 [ 2232.004934][ T10] netlink_unicast+0x449/0x710 [ 2232.004934][ T10] netlink_sendmsg+0x723/0xbe0 [ 2232.004934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2232.004934][ T10] ___sys_sendmsg+0xee/0x170 [ 2232.004934][ T10] __sys_sendmsg+0xcd/0x170 [ 2232.004934][ T10] do_syscall_64+0xc6/0x1e0 [ 2232.004934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2232.004934][ T10] [ 2232.007648][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2232.007648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2232.007648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2232.007648][ T10] ipv6_find_idev+0x102/0x170 [ 2232.007648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2232.007648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2232.007648][ T10] netlink_rcv_skb+0x130/0x360 [ 2232.007648][ T10] netlink_unicast+0x449/0x710 [ 2232.007648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2232.007648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2232.007648][ T10] ___sys_sendmsg+0xee/0x170 [ 2232.007648][ T10] __sys_sendmsg+0xcd/0x170 [ 2232.007648][ T10] do_syscall_64+0xc6/0x1e0 [ 2232.007648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2232.007648][ T10] [ 2232.010662][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2232.011160][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2232.011160][ T10] netdev_get_by_index+0x5e/0x80 [ 2232.011160][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2232.011160][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2232.011160][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2232.011160][ T10] ipv6_add_addr+0x411/0x2000 [ 2232.011160][ T10] inet6_addr_add+0x30e/0xa40 [ 2232.011160][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2232.011160][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2232.011160][ T10] netlink_rcv_skb+0x130/0x360 [ 2232.011160][ T10] netlink_unicast+0x449/0x710 [ 2232.011160][ T10] netlink_sendmsg+0x723/0xbe0 [ 2232.011160][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2232.011160][ T10] ___sys_sendmsg+0xee/0x170 [ 2232.011160][ T10] __sys_sendmsg+0xcd/0x170 [ 2232.011160][ T10] do_syscall_64+0xc6/0x1e0 [ 2232.011160][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2232.011160][ T10] [ 2232.014595][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2232.014595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2232.014595][ T10] ipv6_find_idev+0x102/0x170 [ 2232.014595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2232.014595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2232.014595][ T10] netlink_rcv_skb+0x130/0x360 [ 2232.014595][ T10] netlink_unicast+0x449/0x710 [ 2232.014595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2232.014595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2232.014595][ T10] ___sys_sendmsg+0xee/0x170 [ 2232.014595][ T10] __sys_sendmsg+0xcd/0x170 [ 2232.014595][ T10] do_syscall_64+0xc6/0x1e0 [ 2232.014595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2232.014595][ T10] [ 2232.017311][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2232.017311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2232.017311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2232.017311][ T10] ipv6_find_idev+0x102/0x170 [ 2232.017311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2232.017311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2232.017311][ T10] netlink_rcv_skb+0x130/0x360 [ 2232.017311][ T10] netlink_unicast+0x449/0x710 [ 2232.017311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2232.017311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2232.017311][ T10] ___sys_sendmsg+0xee/0x170 [ 2232.017311][ T10] __sys_sendmsg+0xcd/0x170 [ 2232.017311][ T10] do_syscall_64+0xc6/0x1e0 [ 2232.017311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2232.017311][ T10] [ 2242.122930][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2242.123476][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2242.123476][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.123476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.123476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.123476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.123476][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.123476][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.123476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.123476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.123476][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.123476][ T10] netlink_unicast+0x449/0x710 [ 2242.123476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.123476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.123476][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.123476][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.123476][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.123476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.123476][ T10] [ 2242.126597][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2242.126597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.126597][ T10] ipv6_find_idev+0x102/0x170 [ 2242.126597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.126597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.126597][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.126597][ T10] netlink_unicast+0x449/0x710 [ 2242.126597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.126597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.126597][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.126597][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.126597][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.126597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.126597][ T10] [ 2242.128990][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2242.128990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.128990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.128990][ T10] ipv6_find_idev+0x102/0x170 [ 2242.128990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.128990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.128990][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.128990][ T10] netlink_unicast+0x449/0x710 [ 2242.128990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.128990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.128990][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.128990][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.128990][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.128990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.128990][ T10] [ 2242.131615][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2242.132042][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2242.132042][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.132042][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.132042][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.132042][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.132042][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.132042][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.132042][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.132042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.132042][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.132042][ T10] netlink_unicast+0x449/0x710 [ 2242.132042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.132042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.132042][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.132042][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.132042][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.132042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.132042][ T10] [ 2242.135152][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2242.135152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.135152][ T10] ipv6_find_idev+0x102/0x170 [ 2242.135152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.135152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.135152][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.135152][ T10] netlink_unicast+0x449/0x710 [ 2242.135152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.135152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.135152][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.135152][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.135152][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.135152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.135152][ T10] [ 2242.137541][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2242.137541][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.137541][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.137541][ T10] ipv6_find_idev+0x102/0x170 [ 2242.137541][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.137541][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.137541][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.137541][ T10] netlink_unicast+0x449/0x710 [ 2242.137541][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.137541][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.137541][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.137541][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.137541][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.137541][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.137541][ T10] [ 2242.140157][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2242.140570][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2242.140570][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.140570][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.140570][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.140570][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.140570][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.140570][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.140570][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.140570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.140570][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.140570][ T10] netlink_unicast+0x449/0x710 [ 2242.140570][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.140570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.140570][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.140570][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.140570][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.140570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.140570][ T10] [ 2242.143675][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2242.143675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.143675][ T10] ipv6_find_idev+0x102/0x170 [ 2242.143675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.143675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.143675][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.143675][ T10] netlink_unicast+0x449/0x710 [ 2242.143675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.143675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.143675][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.143675][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.143675][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.143675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.143675][ T10] [ 2242.146074][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2242.146074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.146074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.146074][ T10] ipv6_find_idev+0x102/0x170 [ 2242.146074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.146074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.146074][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.146074][ T10] netlink_unicast+0x449/0x710 [ 2242.146074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.146074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.146074][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.146074][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.146074][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.146074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.146074][ T10] [ 2242.148678][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2242.149903][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2242.149903][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.149903][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.149903][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.149903][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.149903][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.149903][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.149903][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.149903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.149903][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.149903][ T10] netlink_unicast+0x449/0x710 [ 2242.149903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.149903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.149903][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.149903][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.149903][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.149903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.149903][ T10] [ 2242.153008][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2242.153008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.153008][ T10] ipv6_find_idev+0x102/0x170 [ 2242.153008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.153008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.153008][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.153008][ T10] netlink_unicast+0x449/0x710 [ 2242.153008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.153008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.153008][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.153008][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.153008][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.153008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.153008][ T10] [ 2242.155388][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2242.155388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.155388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.155388][ T10] ipv6_find_idev+0x102/0x170 [ 2242.155388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.155388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.155388][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.155388][ T10] netlink_unicast+0x449/0x710 [ 2242.155388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.155388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.155388][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.155388][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.155388][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.155388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.155388][ T10] [ 2242.158083][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2242.158487][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2242.158487][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.158487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.158487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.158487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.158487][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.158487][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.158487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.158487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.158487][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.158487][ T10] netlink_unicast+0x449/0x710 [ 2242.158487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.158487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.158487][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.158487][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.158487][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.158487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.158487][ T10] [ 2242.161582][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2242.161582][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.161582][ T10] ipv6_find_idev+0x102/0x170 [ 2242.161582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.161582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.161582][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.161582][ T10] netlink_unicast+0x449/0x710 [ 2242.161582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.161582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.161582][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.161582][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.161582][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.161582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.161582][ T10] [ 2242.163981][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2242.163981][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.163981][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.163981][ T10] ipv6_find_idev+0x102/0x170 [ 2242.163981][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.163981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.163981][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.163981][ T10] netlink_unicast+0x449/0x710 [ 2242.163981][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.163981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.163981][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.163981][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.163981][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.163981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.163981][ T10] [ 2242.166667][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2242.167168][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2242.167168][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.167168][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.167168][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.167168][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.167168][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.167168][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.167168][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.167168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.167168][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.167168][ T10] netlink_unicast+0x449/0x710 [ 2242.167168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.167168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.167168][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.167168][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.167168][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.167168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.167168][ T10] [ 2242.170371][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2242.170371][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.170371][ T10] ipv6_find_idev+0x102/0x170 [ 2242.170371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.170371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.170371][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.170371][ T10] netlink_unicast+0x449/0x710 [ 2242.170371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.170371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.170371][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.170371][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.170371][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.170371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.170371][ T10] [ 2242.173202][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2242.173202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.173202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.173202][ T10] ipv6_find_idev+0x102/0x170 [ 2242.173202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.173202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.173202][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.173202][ T10] netlink_unicast+0x449/0x710 [ 2242.173202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.173202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.173202][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.173202][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.173202][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.173202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.173202][ T10] [ 2242.176214][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2242.176623][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2242.176623][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.176623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.176623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.176623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.176623][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.176623][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.176623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.176623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.176623][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.176623][ T10] netlink_unicast+0x449/0x710 [ 2242.176623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.176623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.176623][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.176623][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.176623][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.176623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.176623][ T10] [ 2242.180177][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2242.180177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.180177][ T10] ipv6_find_idev+0x102/0x170 [ 2242.180177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.180177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.180177][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.180177][ T10] netlink_unicast+0x449/0x710 [ 2242.180177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.180177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.180177][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.180177][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.180177][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.180177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.180177][ T10] [ 2242.182897][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2242.182897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.182897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.182897][ T10] ipv6_find_idev+0x102/0x170 [ 2242.182897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.182897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.182897][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.182897][ T10] netlink_unicast+0x449/0x710 [ 2242.182897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.182897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.182897][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.182897][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.182897][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.182897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.182897][ T10] [ 2242.185923][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2242.186336][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2242.186336][ T10] netdev_get_by_index+0x5e/0x80 [ 2242.186336][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2242.186336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2242.186336][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2242.186336][ T10] ipv6_add_addr+0x411/0x2000 [ 2242.186336][ T10] inet6_addr_add+0x30e/0xa40 [ 2242.186336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2242.186336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.186336][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.186336][ T10] netlink_unicast+0x449/0x710 [ 2242.186336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.186336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.186336][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.186336][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.186336][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.186336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.186336][ T10] [ 2242.189995][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2242.189995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2242.189995][ T10] ipv6_find_idev+0x102/0x170 [ 2242.189995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.189995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.189995][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.189995][ T10] netlink_unicast+0x449/0x710 [ 2242.189995][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.189995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.189995][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.189995][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.189995][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.189995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.189995][ T10] [ 2242.192750][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2242.192750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2242.192750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2242.192750][ T10] ipv6_find_idev+0x102/0x170 [ 2242.192750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2242.192750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2242.192750][ T10] netlink_rcv_skb+0x130/0x360 [ 2242.192750][ T10] netlink_unicast+0x449/0x710 [ 2242.192750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2242.192750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2242.192750][ T10] ___sys_sendmsg+0xee/0x170 [ 2242.192750][ T10] __sys_sendmsg+0xcd/0x170 [ 2242.192750][ T10] do_syscall_64+0xc6/0x1e0 [ 2242.192750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2242.192750][ T10] [ 2252.291000][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2252.291467][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2252.291467][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.291467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.291467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.291467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.291467][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.291467][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.291467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.291467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.291467][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.291467][ T10] netlink_unicast+0x449/0x710 [ 2252.291467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.291467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.291467][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.291467][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.291467][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.291467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.291467][ T10] [ 2252.293447][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2252.293447][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.293447][ T10] ipv6_find_idev+0x102/0x170 [ 2252.293447][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.293447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.293447][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.293447][ T10] netlink_unicast+0x449/0x710 [ 2252.293447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.293447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.293447][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.293447][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.293447][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.293447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.293447][ T10] [ 2252.294961][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2252.294961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.294961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.294961][ T10] ipv6_find_idev+0x102/0x170 [ 2252.294961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.294961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.294961][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.294961][ T10] netlink_unicast+0x449/0x710 [ 2252.294961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.294961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.294961][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.294961][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.294961][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.294961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.294961][ T10] [ 2252.296635][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2252.296910][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2252.296910][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.296910][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.296910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.296910][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.296910][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.296910][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.296910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.296910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.296910][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.296910][ T10] netlink_unicast+0x449/0x710 [ 2252.296910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.296910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.296910][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.296910][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.296910][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.296910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.296910][ T10] [ 2252.298862][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2252.298862][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.298862][ T10] ipv6_find_idev+0x102/0x170 [ 2252.298862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.298862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.298862][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.298862][ T10] netlink_unicast+0x449/0x710 [ 2252.298862][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.298862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.298862][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.298862][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.298862][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.298862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.298862][ T10] [ 2252.300368][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2252.300368][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.300368][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.300368][ T10] ipv6_find_idev+0x102/0x170 [ 2252.300368][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.300368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.300368][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.300368][ T10] netlink_unicast+0x449/0x710 [ 2252.300368][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.300368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.300368][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.300368][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.300368][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.300368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.300368][ T10] [ 2252.302057][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2252.302324][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2252.302324][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.302324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.302324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.302324][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.302324][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.302324][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.302324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.302324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.302324][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.302324][ T10] netlink_unicast+0x449/0x710 [ 2252.302324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.302324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.302324][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.302324][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.302324][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.302324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.302324][ T10] [ 2252.304284][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2252.304284][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.304284][ T10] ipv6_find_idev+0x102/0x170 [ 2252.304284][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.304284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.304284][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.304284][ T10] netlink_unicast+0x449/0x710 [ 2252.304284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.304284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.304284][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.304284][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.304284][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.304284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.304284][ T10] [ 2252.305802][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2252.305802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.305802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.305802][ T10] ipv6_find_idev+0x102/0x170 [ 2252.305802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.305802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.305802][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.305802][ T10] netlink_unicast+0x449/0x710 [ 2252.305802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.305802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.305802][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.305802][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.305802][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.305802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.305802][ T10] [ 2252.307449][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2252.307712][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2252.307712][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.307712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.307712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.307712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.307712][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.307712][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.307712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.307712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.307712][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.307712][ T10] netlink_unicast+0x449/0x710 [ 2252.307712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.307712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.307712][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.307712][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.307712][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.307712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.307712][ T10] [ 2252.309672][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2252.309672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.309672][ T10] ipv6_find_idev+0x102/0x170 [ 2252.309672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.309672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.309672][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.309672][ T10] netlink_unicast+0x449/0x710 [ 2252.309672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.309672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.309672][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.309672][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.309672][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.309672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.309672][ T10] [ 2252.311180][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2252.311180][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.311180][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.311180][ T10] ipv6_find_idev+0x102/0x170 [ 2252.311180][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.311180][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.311180][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.311180][ T10] netlink_unicast+0x449/0x710 [ 2252.311180][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.311180][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.311180][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.311180][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.311180][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.311180][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.311180][ T10] [ 2252.313249][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2252.313511][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2252.313511][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.313511][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.313511][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.313511][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.313511][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.313511][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.313511][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.313511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.313511][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.313511][ T10] netlink_unicast+0x449/0x710 [ 2252.313511][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.313511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.313511][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.313511][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.313511][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.313511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.313511][ T10] [ 2252.315454][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2252.315454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.315454][ T10] ipv6_find_idev+0x102/0x170 [ 2252.315454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.315454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.315454][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.315454][ T10] netlink_unicast+0x449/0x710 [ 2252.315454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.315454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.315454][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.315454][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.315454][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.315454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.315454][ T10] [ 2252.316970][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2252.316970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.316970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.316970][ T10] ipv6_find_idev+0x102/0x170 [ 2252.316970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.316970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.316970][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.316970][ T10] netlink_unicast+0x449/0x710 [ 2252.316970][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.316970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.316970][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.316970][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.316970][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.316970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.316970][ T10] [ 2252.318664][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2252.318974][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2252.318974][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.318974][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.318974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.318974][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.318974][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.318974][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.318974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.318974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.318974][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.318974][ T10] netlink_unicast+0x449/0x710 [ 2252.318974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.318974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.318974][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.318974][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.318974][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.318974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.318974][ T10] [ 2252.321065][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2252.321065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.321065][ T10] ipv6_find_idev+0x102/0x170 [ 2252.321065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.321065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.321065][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.321065][ T10] netlink_unicast+0x449/0x710 [ 2252.321065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.321065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.321065][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.321065][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.321065][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.321065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.321065][ T10] [ 2252.323351][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2252.323351][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.323351][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.323351][ T10] ipv6_find_idev+0x102/0x170 [ 2252.323351][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.323351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.323351][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.323351][ T10] netlink_unicast+0x449/0x710 [ 2252.323351][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.323351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.323351][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.323351][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.323351][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.323351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.323351][ T10] [ 2252.325295][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2252.325554][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2252.325554][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.325554][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.325554][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.325554][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.325554][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.325554][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.325554][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.325554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.325554][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.325554][ T10] netlink_unicast+0x449/0x710 [ 2252.325554][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.325554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.325554][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.325554][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.325554][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.325554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.325554][ T10] [ 2252.327751][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2252.327751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.327751][ T10] ipv6_find_idev+0x102/0x170 [ 2252.327751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.327751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.327751][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.327751][ T10] netlink_unicast+0x449/0x710 [ 2252.327751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.327751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.327751][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.327751][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.327751][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.327751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.327751][ T10] [ 2252.329373][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2252.329373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.329373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.329373][ T10] ipv6_find_idev+0x102/0x170 [ 2252.329373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.329373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.329373][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.329373][ T10] netlink_unicast+0x449/0x710 [ 2252.329373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.329373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.329373][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.329373][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.329373][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.329373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.329373][ T10] [ 2252.331303][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2252.331560][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2252.331560][ T10] netdev_get_by_index+0x5e/0x80 [ 2252.331560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2252.331560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2252.331560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2252.331560][ T10] ipv6_add_addr+0x411/0x2000 [ 2252.331560][ T10] inet6_addr_add+0x30e/0xa40 [ 2252.331560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2252.331560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.331560][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.331560][ T10] netlink_unicast+0x449/0x710 [ 2252.331560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.331560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.331560][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.331560][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.331560][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.331560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.331560][ T10] [ 2252.333705][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2252.333705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2252.333705][ T10] ipv6_find_idev+0x102/0x170 [ 2252.333705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.333705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.333705][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.333705][ T10] netlink_unicast+0x449/0x710 [ 2252.333705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.333705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.333705][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.333705][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.333705][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.333705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.333705][ T10] [ 2252.335512][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2252.335512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2252.335512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2252.335512][ T10] ipv6_find_idev+0x102/0x170 [ 2252.335512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2252.335512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2252.335512][ T10] netlink_rcv_skb+0x130/0x360 [ 2252.335512][ T10] netlink_unicast+0x449/0x710 [ 2252.335512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2252.335512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2252.335512][ T10] ___sys_sendmsg+0xee/0x170 [ 2252.335512][ T10] __sys_sendmsg+0xcd/0x170 [ 2252.335512][ T10] do_syscall_64+0xc6/0x1e0 [ 2252.335512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2252.335512][ T10] [ 2262.514969][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2262.515422][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2262.515422][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.515422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.515422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.515422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.515422][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.515422][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.515422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.515422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.515422][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.515422][ T10] netlink_unicast+0x449/0x710 [ 2262.515422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.515422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.515422][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.515422][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.515422][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.515422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.515422][ T10] [ 2262.517400][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2262.517400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.517400][ T10] ipv6_find_idev+0x102/0x170 [ 2262.517400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.517400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.517400][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.517400][ T10] netlink_unicast+0x449/0x710 [ 2262.517400][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.517400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.517400][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.517400][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.517400][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.517400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.517400][ T10] [ 2262.518914][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2262.518914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.518914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.518914][ T10] ipv6_find_idev+0x102/0x170 [ 2262.518914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.518914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.518914][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.518914][ T10] netlink_unicast+0x449/0x710 [ 2262.518914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.518914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.518914][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.518914][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.518914][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.518914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.518914][ T10] [ 2262.520573][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2262.520845][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2262.520845][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.520845][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.520845][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.520845][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.520845][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.520845][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.520845][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.520845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.520845][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.520845][ T10] netlink_unicast+0x449/0x710 [ 2262.520845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.520845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.520845][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.520845][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.520845][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.520845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.520845][ T10] [ 2262.522810][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2262.522810][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.522810][ T10] ipv6_find_idev+0x102/0x170 [ 2262.522810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.522810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.522810][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.522810][ T10] netlink_unicast+0x449/0x710 [ 2262.522810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.522810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.522810][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.522810][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.522810][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.522810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.522810][ T10] [ 2262.524336][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2262.524336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.524336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.524336][ T10] ipv6_find_idev+0x102/0x170 [ 2262.524336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.524336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.524336][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.524336][ T10] netlink_unicast+0x449/0x710 [ 2262.524336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.524336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.524336][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.524336][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.524336][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.524336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.524336][ T10] [ 2262.525988][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2262.526250][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2262.526250][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.526250][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.526250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.526250][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.526250][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.526250][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.526250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.526250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.526250][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.526250][ T10] netlink_unicast+0x449/0x710 [ 2262.526250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.526250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.526250][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.526250][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.526250][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.526250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.526250][ T10] [ 2262.528231][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2262.528231][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.528231][ T10] ipv6_find_idev+0x102/0x170 [ 2262.528231][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.528231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.528231][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.528231][ T10] netlink_unicast+0x449/0x710 [ 2262.528231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.528231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.528231][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.528231][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.528231][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.528231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.528231][ T10] [ 2262.529740][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2262.529740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.529740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.529740][ T10] ipv6_find_idev+0x102/0x170 [ 2262.529740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.529740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.529740][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.529740][ T10] netlink_unicast+0x449/0x710 [ 2262.529740][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.529740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.529740][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.529740][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.529740][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.529740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.529740][ T10] [ 2262.531400][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2262.531660][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2262.531660][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.531660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.531660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.531660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.531660][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.531660][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.531660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.531660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.531660][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.531660][ T10] netlink_unicast+0x449/0x710 [ 2262.531660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.531660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.531660][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.531660][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.531660][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.531660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.531660][ T10] [ 2262.533663][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2262.533663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.533663][ T10] ipv6_find_idev+0x102/0x170 [ 2262.533663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.533663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.533663][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.533663][ T10] netlink_unicast+0x449/0x710 [ 2262.533663][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.533663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.533663][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.533663][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.533663][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.533663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.533663][ T10] [ 2262.535166][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2262.535166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.535166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.535166][ T10] ipv6_find_idev+0x102/0x170 [ 2262.535166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.535166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.535166][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.535166][ T10] netlink_unicast+0x449/0x710 [ 2262.535166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.535166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.535166][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.535166][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.535166][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.535166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.535166][ T10] [ 2262.537227][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2262.537490][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2262.537490][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.537490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.537490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.537490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.537490][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.537490][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.537490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.537490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.537490][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.537490][ T10] netlink_unicast+0x449/0x710 [ 2262.537490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.537490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.537490][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.537490][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.537490][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.537490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.537490][ T10] [ 2262.539467][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2262.539467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.539467][ T10] ipv6_find_idev+0x102/0x170 [ 2262.539467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.539467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.539467][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.539467][ T10] netlink_unicast+0x449/0x710 [ 2262.539467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.539467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.539467][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.539467][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.539467][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.539467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.539467][ T10] [ 2262.540977][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2262.540977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.540977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.540977][ T10] ipv6_find_idev+0x102/0x170 [ 2262.540977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.540977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.540977][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.540977][ T10] netlink_unicast+0x449/0x710 [ 2262.540977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.540977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.540977][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.540977][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.540977][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.540977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.540977][ T10] [ 2262.542685][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2262.542995][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2262.542995][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.542995][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.542995][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.542995][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.542995][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.542995][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.542995][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.542995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.542995][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.542995][ T10] netlink_unicast+0x449/0x710 [ 2262.542995][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.542995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.542995][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.542995][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.542995][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.542995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.542995][ T10] [ 2262.545072][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2262.545072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.545072][ T10] ipv6_find_idev+0x102/0x170 [ 2262.545072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.545072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.545072][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.545072][ T10] netlink_unicast+0x449/0x710 [ 2262.545072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.545072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.545072][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.545072][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.545072][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.545072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.545072][ T10] [ 2262.546838][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2262.546838][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.546838][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.546838][ T10] ipv6_find_idev+0x102/0x170 [ 2262.546838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.546838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.546838][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.546838][ T10] netlink_unicast+0x449/0x710 [ 2262.546838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.546838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.546838][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.546838][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.546838][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.546838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.546838][ T10] [ 2262.548749][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2262.549059][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2262.549059][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.549059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.549059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.549059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.549059][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.549059][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.549059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.549059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.549059][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.549059][ T10] netlink_unicast+0x449/0x710 [ 2262.549059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.549059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.549059][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.549059][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.549059][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.549059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.549059][ T10] [ 2262.551192][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2262.551192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.551192][ T10] ipv6_find_idev+0x102/0x170 [ 2262.551192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.551192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.551192][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.551192][ T10] netlink_unicast+0x449/0x710 [ 2262.551192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.551192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.551192][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.551192][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.551192][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.551192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.551192][ T10] [ 2262.552900][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2262.552900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.552900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.552900][ T10] ipv6_find_idev+0x102/0x170 [ 2262.552900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.552900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.552900][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.552900][ T10] netlink_unicast+0x449/0x710 [ 2262.552900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.552900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.552900][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.552900][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.552900][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.552900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.552900][ T10] [ 2262.554767][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2262.555078][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2262.555078][ T10] netdev_get_by_index+0x5e/0x80 [ 2262.555078][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2262.555078][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2262.555078][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2262.555078][ T10] ipv6_add_addr+0x411/0x2000 [ 2262.555078][ T10] inet6_addr_add+0x30e/0xa40 [ 2262.555078][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2262.555078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.555078][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.555078][ T10] netlink_unicast+0x449/0x710 [ 2262.555078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.555078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.555078][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.555078][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.555078][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.555078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.555078][ T10] [ 2262.557277][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2262.557277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2262.557277][ T10] ipv6_find_idev+0x102/0x170 [ 2262.557277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.557277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.557277][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.557277][ T10] netlink_unicast+0x449/0x710 [ 2262.557277][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.557277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.557277][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.557277][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.557277][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.557277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.557277][ T10] [ 2262.558957][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2262.558957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2262.558957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2262.558957][ T10] ipv6_find_idev+0x102/0x170 [ 2262.558957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2262.558957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2262.558957][ T10] netlink_rcv_skb+0x130/0x360 [ 2262.558957][ T10] netlink_unicast+0x449/0x710 [ 2262.558957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2262.558957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2262.558957][ T10] ___sys_sendmsg+0xee/0x170 [ 2262.558957][ T10] __sys_sendmsg+0xcd/0x170 [ 2262.558957][ T10] do_syscall_64+0xc6/0x1e0 [ 2262.558957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2262.558957][ T10] [ 2272.658969][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2272.659426][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2272.659426][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.659426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.659426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.659426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.659426][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.659426][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.659426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.659426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.659426][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.659426][ T10] netlink_unicast+0x449/0x710 [ 2272.659426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.659426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.659426][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.659426][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.659426][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.659426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.659426][ T10] [ 2272.661401][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2272.661401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.661401][ T10] ipv6_find_idev+0x102/0x170 [ 2272.661401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.661401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.661401][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.661401][ T10] netlink_unicast+0x449/0x710 [ 2272.661401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.661401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.661401][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.661401][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.661401][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.661401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.661401][ T10] [ 2272.662959][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2272.662959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.662959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.662959][ T10] ipv6_find_idev+0x102/0x170 [ 2272.662959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.662959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.662959][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.662959][ T10] netlink_unicast+0x449/0x710 [ 2272.662959][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.662959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.662959][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.662959][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.662959][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.662959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.662959][ T10] [ 2272.664613][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2272.664878][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2272.664878][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.664878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.664878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.664878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.664878][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.664878][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.664878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.664878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.664878][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.664878][ T10] netlink_unicast+0x449/0x710 [ 2272.664878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.664878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.664878][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.664878][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.664878][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.664878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.664878][ T10] [ 2272.666828][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2272.666828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.666828][ T10] ipv6_find_idev+0x102/0x170 [ 2272.666828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.666828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.666828][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.666828][ T10] netlink_unicast+0x449/0x710 [ 2272.666828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.666828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.666828][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.666828][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.666828][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.666828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.666828][ T10] [ 2272.668335][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2272.668335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.668335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.668335][ T10] ipv6_find_idev+0x102/0x170 [ 2272.668335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.668335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.668335][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.668335][ T10] netlink_unicast+0x449/0x710 [ 2272.668335][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.668335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.668335][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.668335][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.668335][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.668335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.668335][ T10] [ 2272.669981][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2272.670245][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2272.670245][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.670245][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.670245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.670245][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.670245][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.670245][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.670245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.670245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.670245][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.670245][ T10] netlink_unicast+0x449/0x710 [ 2272.670245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.670245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.670245][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.670245][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.670245][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.670245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.670245][ T10] [ 2272.672207][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2272.672207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.672207][ T10] ipv6_find_idev+0x102/0x170 [ 2272.672207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.672207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.672207][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.672207][ T10] netlink_unicast+0x449/0x710 [ 2272.672207][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.672207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.672207][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.672207][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.672207][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.672207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.672207][ T10] [ 2272.673723][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2272.673723][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.673723][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.673723][ T10] ipv6_find_idev+0x102/0x170 [ 2272.673723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.673723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.673723][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.673723][ T10] netlink_unicast+0x449/0x710 [ 2272.673723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.673723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.673723][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.673723][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.673723][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.673723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.673723][ T10] [ 2272.675377][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2272.675644][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2272.675644][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.675644][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.675644][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.675644][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.675644][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.675644][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.675644][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.675644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.675644][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.675644][ T10] netlink_unicast+0x449/0x710 [ 2272.675644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.675644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.675644][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.675644][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.675644][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.675644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.675644][ T10] [ 2272.677601][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2272.677601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.677601][ T10] ipv6_find_idev+0x102/0x170 [ 2272.677601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.677601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.677601][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.677601][ T10] netlink_unicast+0x449/0x710 [ 2272.677601][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.677601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.677601][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.677601][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.677601][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.677601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.677601][ T10] [ 2272.679109][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2272.679109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.679109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.679109][ T10] ipv6_find_idev+0x102/0x170 [ 2272.679109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.679109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.679109][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.679109][ T10] netlink_unicast+0x449/0x710 [ 2272.679109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.679109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.679109][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.679109][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.679109][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.679109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.679109][ T10] [ 2272.681167][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2272.681428][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2272.681428][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.681428][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.681428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.681428][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.681428][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.681428][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.681428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.681428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.681428][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.681428][ T10] netlink_unicast+0x449/0x710 [ 2272.681428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.681428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.681428][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.681428][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.681428][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.681428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.681428][ T10] [ 2272.683389][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2272.683389][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.683389][ T10] ipv6_find_idev+0x102/0x170 [ 2272.683389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.683389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.683389][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.683389][ T10] netlink_unicast+0x449/0x710 [ 2272.683389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.683389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.683389][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.683389][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.683389][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.683389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.683389][ T10] [ 2272.684893][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2272.684893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.684893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.684893][ T10] ipv6_find_idev+0x102/0x170 [ 2272.684893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.684893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.684893][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.684893][ T10] netlink_unicast+0x449/0x710 [ 2272.684893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.684893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.684893][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.684893][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.684893][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.684893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.684893][ T10] [ 2272.686637][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2272.686955][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2272.686955][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.686955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.686955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.686955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.686955][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.686955][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.686955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.686955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.686955][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.686955][ T10] netlink_unicast+0x449/0x710 [ 2272.686955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.686955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.686955][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.686955][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.686955][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.686955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.686955][ T10] [ 2272.689036][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2272.689036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.689036][ T10] ipv6_find_idev+0x102/0x170 [ 2272.689036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.689036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.689036][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.689036][ T10] netlink_unicast+0x449/0x710 [ 2272.689036][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.689036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.689036][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.689036][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.689036][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.689036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.689036][ T10] [ 2272.690722][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2272.690722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.690722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.690722][ T10] ipv6_find_idev+0x102/0x170 [ 2272.690722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.690722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.690722][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.690722][ T10] netlink_unicast+0x449/0x710 [ 2272.690722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.690722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.690722][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.690722][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.690722][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.690722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.690722][ T10] [ 2272.692700][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2272.693015][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2272.693015][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.693015][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.693015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.693015][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.693015][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.693015][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.693015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.693015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.693015][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.693015][ T10] netlink_unicast+0x449/0x710 [ 2272.693015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.693015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.693015][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.693015][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.693015][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.693015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.693015][ T10] [ 2272.695191][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2272.695191][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.695191][ T10] ipv6_find_idev+0x102/0x170 [ 2272.695191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.695191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.695191][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.695191][ T10] netlink_unicast+0x449/0x710 [ 2272.695191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.695191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.695191][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.695191][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.695191][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.695191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.695191][ T10] [ 2272.696884][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2272.696884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.696884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.696884][ T10] ipv6_find_idev+0x102/0x170 [ 2272.696884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.696884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.696884][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.696884][ T10] netlink_unicast+0x449/0x710 [ 2272.696884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.696884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.696884][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.696884][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.696884][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.696884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.696884][ T10] [ 2272.698754][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2272.699066][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2272.699066][ T10] netdev_get_by_index+0x5e/0x80 [ 2272.699066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2272.699066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2272.699066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2272.699066][ T10] ipv6_add_addr+0x411/0x2000 [ 2272.699066][ T10] inet6_addr_add+0x30e/0xa40 [ 2272.699066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2272.699066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.699066][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.699066][ T10] netlink_unicast+0x449/0x710 [ 2272.699066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.699066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.699066][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.699066][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.699066][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.699066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.699066][ T10] [ 2272.701204][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2272.701204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2272.701204][ T10] ipv6_find_idev+0x102/0x170 [ 2272.701204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.701204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.701204][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.701204][ T10] netlink_unicast+0x449/0x710 [ 2272.701204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.701204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.701204][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.701204][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.701204][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.701204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.701204][ T10] [ 2272.702979][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2272.702979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2272.702979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2272.702979][ T10] ipv6_find_idev+0x102/0x170 [ 2272.702979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2272.702979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2272.702979][ T10] netlink_rcv_skb+0x130/0x360 [ 2272.702979][ T10] netlink_unicast+0x449/0x710 [ 2272.702979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2272.702979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2272.702979][ T10] ___sys_sendmsg+0xee/0x170 [ 2272.702979][ T10] __sys_sendmsg+0xcd/0x170 [ 2272.702979][ T10] do_syscall_64+0xc6/0x1e0 [ 2272.702979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2272.702979][ T10] [ 2282.755001][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2282.755454][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2282.755454][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.755454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.755454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.755454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.755454][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.755454][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.755454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.755454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.755454][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.755454][ T10] netlink_unicast+0x449/0x710 [ 2282.755454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.755454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.755454][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.755454][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.755454][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.755454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.755454][ T10] [ 2282.757427][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2282.757427][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.757427][ T10] ipv6_find_idev+0x102/0x170 [ 2282.757427][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.757427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.757427][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.757427][ T10] netlink_unicast+0x449/0x710 [ 2282.757427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.757427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.757427][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.757427][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.757427][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.757427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.757427][ T10] [ 2282.758940][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2282.758940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.758940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.758940][ T10] ipv6_find_idev+0x102/0x170 [ 2282.758940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.758940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.758940][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.758940][ T10] netlink_unicast+0x449/0x710 [ 2282.758940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.758940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.758940][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.758940][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.758940][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.758940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.758940][ T10] [ 2282.760608][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2282.760874][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2282.760874][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.760874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.760874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.760874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.760874][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.760874][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.760874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.760874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.760874][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.760874][ T10] netlink_unicast+0x449/0x710 [ 2282.760874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.760874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.760874][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.760874][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.760874][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.760874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.760874][ T10] [ 2282.762839][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2282.762839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.762839][ T10] ipv6_find_idev+0x102/0x170 [ 2282.762839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.762839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.762839][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.762839][ T10] netlink_unicast+0x449/0x710 [ 2282.762839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.762839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.762839][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.762839][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.762839][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.762839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.762839][ T10] [ 2282.764357][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2282.764357][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.764357][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.764357][ T10] ipv6_find_idev+0x102/0x170 [ 2282.764357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.764357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.764357][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.764357][ T10] netlink_unicast+0x449/0x710 [ 2282.764357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.764357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.764357][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.764357][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.764357][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.764357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.764357][ T10] [ 2282.766012][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2282.766274][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2282.766274][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.766274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.766274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.766274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.766274][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.766274][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.766274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.766274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.766274][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.766274][ T10] netlink_unicast+0x449/0x710 [ 2282.766274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.766274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.766274][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.766274][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.766274][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.766274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.766274][ T10] [ 2282.768238][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2282.768238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.768238][ T10] ipv6_find_idev+0x102/0x170 [ 2282.768238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.768238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.768238][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.768238][ T10] netlink_unicast+0x449/0x710 [ 2282.768238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.768238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.768238][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.768238][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.768238][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.768238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.768238][ T10] [ 2282.769748][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2282.769748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.769748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.769748][ T10] ipv6_find_idev+0x102/0x170 [ 2282.769748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.769748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.769748][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.769748][ T10] netlink_unicast+0x449/0x710 [ 2282.769748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.769748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.769748][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.769748][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.769748][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.769748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.769748][ T10] [ 2282.771419][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2282.771677][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2282.771677][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.771677][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.771677][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.771677][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.771677][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.771677][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.771677][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.771677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.771677][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.771677][ T10] netlink_unicast+0x449/0x710 [ 2282.771677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.771677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.771677][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.771677][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.771677][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.771677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.771677][ T10] [ 2282.773646][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2282.773646][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.773646][ T10] ipv6_find_idev+0x102/0x170 [ 2282.773646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.773646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.773646][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.773646][ T10] netlink_unicast+0x449/0x710 [ 2282.773646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.773646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.773646][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.773646][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.773646][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.773646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.773646][ T10] [ 2282.775199][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2282.775199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.775199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.775199][ T10] ipv6_find_idev+0x102/0x170 [ 2282.775199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.775199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.775199][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.775199][ T10] netlink_unicast+0x449/0x710 [ 2282.775199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.775199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.775199][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.775199][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.775199][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.775199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.775199][ T10] [ 2282.777258][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2282.777520][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2282.777520][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.777520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.777520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.777520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.777520][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.777520][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.777520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.777520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.777520][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.777520][ T10] netlink_unicast+0x449/0x710 [ 2282.777520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.777520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.777520][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.777520][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.777520][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.777520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.777520][ T10] [ 2282.779467][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2282.779467][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.779467][ T10] ipv6_find_idev+0x102/0x170 [ 2282.779467][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.779467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.779467][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.779467][ T10] netlink_unicast+0x449/0x710 [ 2282.779467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.779467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.779467][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.779467][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.779467][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.779467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.779467][ T10] [ 2282.780969][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2282.780969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.780969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.780969][ T10] ipv6_find_idev+0x102/0x170 [ 2282.780969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.780969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.780969][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.780969][ T10] netlink_unicast+0x449/0x710 [ 2282.780969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.780969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.780969][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.780969][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.780969][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.780969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.780969][ T10] [ 2282.782670][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2282.782992][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2282.782992][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.782992][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.782992][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.782992][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.782992][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.782992][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.782992][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.782992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.782992][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.782992][ T10] netlink_unicast+0x449/0x710 [ 2282.782992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.782992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.782992][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.782992][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.782992][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.782992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.782992][ T10] [ 2282.785073][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2282.785073][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.785073][ T10] ipv6_find_idev+0x102/0x170 [ 2282.785073][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.785073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.785073][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.785073][ T10] netlink_unicast+0x449/0x710 [ 2282.785073][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.785073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.785073][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.785073][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.785073][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.785073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.785073][ T10] [ 2282.786757][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2282.786757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.786757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.786757][ T10] ipv6_find_idev+0x102/0x170 [ 2282.786757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.786757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.786757][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.786757][ T10] netlink_unicast+0x449/0x710 [ 2282.786757][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.786757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.786757][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.786757][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.786757][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.786757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.786757][ T10] [ 2282.788692][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2282.789000][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2282.789000][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.789000][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.789000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.789000][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.789000][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.789000][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.789000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.789000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.789000][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.789000][ T10] netlink_unicast+0x449/0x710 [ 2282.789000][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.789000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.789000][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.789000][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.789000][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.789000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.789000][ T10] [ 2282.791143][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2282.791143][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.791143][ T10] ipv6_find_idev+0x102/0x170 [ 2282.791143][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.791143][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.791143][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.791143][ T10] netlink_unicast+0x449/0x710 [ 2282.791143][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.791143][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.791143][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.791143][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.791143][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.791143][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.791143][ T10] [ 2282.792843][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2282.792843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.792843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.792843][ T10] ipv6_find_idev+0x102/0x170 [ 2282.792843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.792843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.792843][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.792843][ T10] netlink_unicast+0x449/0x710 [ 2282.792843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.792843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.792843][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.792843][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.792843][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.792843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.792843][ T10] [ 2282.794712][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2282.795549][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2282.795549][ T10] netdev_get_by_index+0x5e/0x80 [ 2282.795549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2282.795549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2282.795549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2282.795549][ T10] ipv6_add_addr+0x411/0x2000 [ 2282.795549][ T10] inet6_addr_add+0x30e/0xa40 [ 2282.795549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2282.795549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.795549][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.795549][ T10] netlink_unicast+0x449/0x710 [ 2282.795549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.795549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.795549][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.795549][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.795549][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.795549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.795549][ T10] [ 2282.798065][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2282.798065][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2282.798065][ T10] ipv6_find_idev+0x102/0x170 [ 2282.798065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.798065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.798065][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.798065][ T10] netlink_unicast+0x449/0x710 [ 2282.798065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.798065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.798065][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.798065][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.798065][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.798065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.798065][ T10] [ 2282.799761][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2282.799761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2282.799761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2282.799761][ T10] ipv6_find_idev+0x102/0x170 [ 2282.799761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2282.799761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2282.799761][ T10] netlink_rcv_skb+0x130/0x360 [ 2282.799761][ T10] netlink_unicast+0x449/0x710 [ 2282.799761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2282.799761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2282.799761][ T10] ___sys_sendmsg+0xee/0x170 [ 2282.799761][ T10] __sys_sendmsg+0xcd/0x170 [ 2282.799761][ T10] do_syscall_64+0xc6/0x1e0 [ 2282.799761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2282.799761][ T10] [ 2292.850887][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2292.851340][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2292.851340][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.851340][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.851340][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.851340][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.851340][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.851340][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.851340][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.851340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.851340][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.851340][ T10] netlink_unicast+0x449/0x710 [ 2292.851340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.851340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.851340][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.851340][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.851340][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.851340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.851340][ T10] [ 2292.853367][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2292.853367][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.853367][ T10] ipv6_find_idev+0x102/0x170 [ 2292.853367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.853367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.853367][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.853367][ T10] netlink_unicast+0x449/0x710 [ 2292.853367][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.853367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.853367][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.853367][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.853367][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.853367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.853367][ T10] [ 2292.854915][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2292.854915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.854915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.854915][ T10] ipv6_find_idev+0x102/0x170 [ 2292.854915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.854915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.854915][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.854915][ T10] netlink_unicast+0x449/0x710 [ 2292.854915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.854915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.854915][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.854915][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.854915][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.854915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.854915][ T10] [ 2292.856571][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2292.856837][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2292.856837][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.856837][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.856837][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.856837][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.856837][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.856837][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.856837][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.856837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.856837][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.856837][ T10] netlink_unicast+0x449/0x710 [ 2292.856837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.856837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.856837][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.856837][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.856837][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.856837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.856837][ T10] [ 2292.858787][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2292.858787][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.858787][ T10] ipv6_find_idev+0x102/0x170 [ 2292.858787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.858787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.858787][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.858787][ T10] netlink_unicast+0x449/0x710 [ 2292.858787][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.858787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.858787][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.858787][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.858787][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.858787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.858787][ T10] [ 2292.860294][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2292.860294][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.860294][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.860294][ T10] ipv6_find_idev+0x102/0x170 [ 2292.860294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.860294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.860294][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.860294][ T10] netlink_unicast+0x449/0x710 [ 2292.860294][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.860294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.860294][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.860294][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.860294][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.860294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.860294][ T10] [ 2292.861955][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2292.862221][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2292.862221][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.862221][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.862221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.862221][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.862221][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.862221][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.862221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.862221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.862221][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.862221][ T10] netlink_unicast+0x449/0x710 [ 2292.862221][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.862221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.862221][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.862221][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.862221][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.862221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.862221][ T10] [ 2292.864177][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2292.864177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.864177][ T10] ipv6_find_idev+0x102/0x170 [ 2292.864177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.864177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.864177][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.864177][ T10] netlink_unicast+0x449/0x710 [ 2292.864177][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.864177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.864177][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.864177][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.864177][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.864177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.864177][ T10] [ 2292.865706][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2292.865706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.865706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.865706][ T10] ipv6_find_idev+0x102/0x170 [ 2292.865706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.865706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.865706][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.865706][ T10] netlink_unicast+0x449/0x710 [ 2292.865706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.865706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.865706][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.865706][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.865706][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.865706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.865706][ T10] [ 2292.867356][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2292.867618][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2292.867618][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.867618][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.867618][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.867618][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.867618][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.867618][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.867618][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.867618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.867618][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.867618][ T10] netlink_unicast+0x449/0x710 [ 2292.867618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.867618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.867618][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.867618][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.867618][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.867618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.867618][ T10] [ 2292.869669][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2292.869669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.869669][ T10] ipv6_find_idev+0x102/0x170 [ 2292.869669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.869669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.869669][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.869669][ T10] netlink_unicast+0x449/0x710 [ 2292.869669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.869669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.869669][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.869669][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.869669][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.869669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.869669][ T10] [ 2292.871178][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2292.871178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.871178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.871178][ T10] ipv6_find_idev+0x102/0x170 [ 2292.871178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.871178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.871178][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.871178][ T10] netlink_unicast+0x449/0x710 [ 2292.871178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.871178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.871178][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.871178][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.871178][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.871178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.871178][ T10] [ 2292.873236][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2292.873499][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2292.873499][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.873499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.873499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.873499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.873499][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.873499][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.873499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.873499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.873499][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.873499][ T10] netlink_unicast+0x449/0x710 [ 2292.873499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.873499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.873499][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.873499][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.873499][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.873499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.873499][ T10] [ 2292.875826][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2292.875826][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.875826][ T10] ipv6_find_idev+0x102/0x170 [ 2292.875826][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.875826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.875826][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.875826][ T10] netlink_unicast+0x449/0x710 [ 2292.875826][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.875826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.875826][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.875826][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.875826][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.875826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.875826][ T10] [ 2292.877327][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2292.877327][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.877327][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.877327][ T10] ipv6_find_idev+0x102/0x170 [ 2292.877327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.877327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.877327][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.877327][ T10] netlink_unicast+0x449/0x710 [ 2292.877327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.877327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.877327][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.877327][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.877327][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.877327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.877327][ T10] [ 2292.879014][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2292.879272][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2292.879272][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.879272][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.879272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.879272][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.879272][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.879272][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.879272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.879272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.879272][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.879272][ T10] netlink_unicast+0x449/0x710 [ 2292.879272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.879272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.879272][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.879272][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.879272][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.879272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.879272][ T10] [ 2292.881353][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2292.881353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.881353][ T10] ipv6_find_idev+0x102/0x170 [ 2292.881353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.881353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.881353][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.881353][ T10] netlink_unicast+0x449/0x710 [ 2292.881353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.881353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.881353][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.881353][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.881353][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.881353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.881353][ T10] [ 2292.883042][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2292.883042][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.883042][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.883042][ T10] ipv6_find_idev+0x102/0x170 [ 2292.883042][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.883042][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.883042][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.883042][ T10] netlink_unicast+0x449/0x710 [ 2292.883042][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.883042][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.883042][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.883042][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.883042][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.883042][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.883042][ T10] [ 2292.884910][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2292.885167][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2292.885167][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.885167][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.885167][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.885167][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.885167][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.885167][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.885167][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.885167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.885167][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.885167][ T10] netlink_unicast+0x449/0x710 [ 2292.885167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.885167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.885167][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.885167][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.885167][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.885167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.885167][ T10] [ 2292.887434][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2292.887434][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.887434][ T10] ipv6_find_idev+0x102/0x170 [ 2292.887434][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.887434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.887434][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.887434][ T10] netlink_unicast+0x449/0x710 [ 2292.887434][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.887434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.887434][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.887434][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.887434][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.887434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.887434][ T10] [ 2292.889118][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2292.889118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.889118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.889118][ T10] ipv6_find_idev+0x102/0x170 [ 2292.889118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.889118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.889118][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.889118][ T10] netlink_unicast+0x449/0x710 [ 2292.889118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.889118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.889118][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.889118][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.889118][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.889118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.889118][ T10] [ 2292.890981][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2292.891244][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2292.891244][ T10] netdev_get_by_index+0x5e/0x80 [ 2292.891244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2292.891244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2292.891244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2292.891244][ T10] ipv6_add_addr+0x411/0x2000 [ 2292.891244][ T10] inet6_addr_add+0x30e/0xa40 [ 2292.891244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2292.891244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.891244][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.891244][ T10] netlink_unicast+0x449/0x710 [ 2292.891244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.891244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.891244][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.891244][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.891244][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.891244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.891244][ T10] [ 2292.893440][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2292.893440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2292.893440][ T10] ipv6_find_idev+0x102/0x170 [ 2292.893440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.893440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.893440][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.893440][ T10] netlink_unicast+0x449/0x710 [ 2292.893440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.893440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.893440][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.893440][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.893440][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.893440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.893440][ T10] [ 2292.895121][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2292.895121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2292.895121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2292.895121][ T10] ipv6_find_idev+0x102/0x170 [ 2292.895121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2292.895121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2292.895121][ T10] netlink_rcv_skb+0x130/0x360 [ 2292.895121][ T10] netlink_unicast+0x449/0x710 [ 2292.895121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2292.895121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2292.895121][ T10] ___sys_sendmsg+0xee/0x170 [ 2292.895121][ T10] __sys_sendmsg+0xcd/0x170 [ 2292.895121][ T10] do_syscall_64+0xc6/0x1e0 [ 2292.895121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2292.895121][ T10] [ 2303.138913][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2303.139366][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2303.139366][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.139366][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.139366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.139366][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.139366][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.139366][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.139366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.139366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.139366][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.139366][ T10] netlink_unicast+0x449/0x710 [ 2303.139366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.139366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.139366][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.139366][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.139366][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.139366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.139366][ T10] [ 2303.141479][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2303.141479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.141479][ T10] ipv6_find_idev+0x102/0x170 [ 2303.141479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.141479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.141479][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.141479][ T10] netlink_unicast+0x449/0x710 [ 2303.141479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.141479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.141479][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.141479][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.141479][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.141479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.141479][ T10] [ 2303.142992][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2303.142992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.142992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.142992][ T10] ipv6_find_idev+0x102/0x170 [ 2303.142992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.142992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.142992][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.142992][ T10] netlink_unicast+0x449/0x710 [ 2303.142992][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.142992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.142992][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.142992][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.142992][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.142992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.142992][ T10] [ 2303.144644][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2303.144916][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2303.144916][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.144916][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.144916][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.144916][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.144916][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.144916][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.144916][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.144916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.144916][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.144916][ T10] netlink_unicast+0x449/0x710 [ 2303.144916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.144916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.144916][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.144916][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.144916][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.144916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.144916][ T10] [ 2303.146866][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2303.146866][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.146866][ T10] ipv6_find_idev+0x102/0x170 [ 2303.146866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.146866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.146866][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.146866][ T10] netlink_unicast+0x449/0x710 [ 2303.146866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.146866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.146866][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.146866][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.146866][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.146866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.146866][ T10] [ 2303.148373][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2303.148373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.148373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.148373][ T10] ipv6_find_idev+0x102/0x170 [ 2303.148373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.148373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.148373][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.148373][ T10] netlink_unicast+0x449/0x710 [ 2303.148373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.148373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.148373][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.148373][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.148373][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.148373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.148373][ T10] [ 2303.150021][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2303.150277][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2303.150277][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.150277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.150277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.150277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.150277][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.150277][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.150277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.150277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.150277][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.150277][ T10] netlink_unicast+0x449/0x710 [ 2303.150277][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.150277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.150277][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.150277][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.150277][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.150277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.150277][ T10] [ 2303.152238][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2303.152238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.152238][ T10] ipv6_find_idev+0x102/0x170 [ 2303.152238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.152238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.152238][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.152238][ T10] netlink_unicast+0x449/0x710 [ 2303.152238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.152238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.152238][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.152238][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.152238][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.152238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.152238][ T10] [ 2303.153756][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2303.153756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.153756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.153756][ T10] ipv6_find_idev+0x102/0x170 [ 2303.153756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.153756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.153756][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.153756][ T10] netlink_unicast+0x449/0x710 [ 2303.153756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.153756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.153756][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.153756][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.153756][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.153756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.153756][ T10] [ 2303.155436][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2303.155704][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2303.155704][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.155704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.155704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.155704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.155704][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.155704][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.155704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.155704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.155704][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.155704][ T10] netlink_unicast+0x449/0x710 [ 2303.155704][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.155704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.155704][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.155704][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.155704][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.155704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.155704][ T10] [ 2303.157665][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2303.157665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.157665][ T10] ipv6_find_idev+0x102/0x170 [ 2303.157665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.157665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.157665][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.157665][ T10] netlink_unicast+0x449/0x710 [ 2303.157665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.157665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.157665][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.157665][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.157665][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.157665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.157665][ T10] [ 2303.159172][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2303.159172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.159172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.159172][ T10] ipv6_find_idev+0x102/0x170 [ 2303.159172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.159172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.159172][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.159172][ T10] netlink_unicast+0x449/0x710 [ 2303.159172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.159172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.159172][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.159172][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.159172][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.159172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.159172][ T10] [ 2303.161235][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2303.161497][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2303.161497][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.161497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.161497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.161497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.161497][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.161497][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.161497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.161497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.161497][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.161497][ T10] netlink_unicast+0x449/0x710 [ 2303.161497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.161497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.161497][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.161497][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.161497][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.161497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.161497][ T10] [ 2303.163448][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2303.163448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.163448][ T10] ipv6_find_idev+0x102/0x170 [ 2303.163448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.163448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.163448][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.163448][ T10] netlink_unicast+0x449/0x710 [ 2303.163448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.163448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.163448][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.163448][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.163448][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.163448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.163448][ T10] [ 2303.164952][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2303.164952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.164952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.164952][ T10] ipv6_find_idev+0x102/0x170 [ 2303.164952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.164952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.164952][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.164952][ T10] netlink_unicast+0x449/0x710 [ 2303.164952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.164952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.164952][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.164952][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.164952][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.164952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.164952][ T10] [ 2303.166646][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2303.166964][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2303.166964][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.166964][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.166964][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.166964][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.166964][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.166964][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.166964][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.166964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.166964][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.166964][ T10] netlink_unicast+0x449/0x710 [ 2303.166964][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.166964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.166964][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.166964][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.166964][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.166964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.166964][ T10] [ 2303.168975][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2303.168975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.168975][ T10] ipv6_find_idev+0x102/0x170 [ 2303.168975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.168975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.168975][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.168975][ T10] netlink_unicast+0x449/0x710 [ 2303.168975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.168975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.168975][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.168975][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.168975][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.168975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.168975][ T10] [ 2303.170724][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2303.170724][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.170724][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.170724][ T10] ipv6_find_idev+0x102/0x170 [ 2303.170724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.170724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.170724][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.170724][ T10] netlink_unicast+0x449/0x710 [ 2303.170724][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.170724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.170724][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.170724][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.170724][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.170724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.170724][ T10] [ 2303.172677][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2303.172986][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2303.172986][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.172986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.172986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.172986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.172986][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.172986][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.172986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.172986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.172986][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.172986][ T10] netlink_unicast+0x449/0x710 [ 2303.172986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.172986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.172986][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.172986][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.172986][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.172986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.172986][ T10] [ 2303.175119][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2303.175119][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.175119][ T10] ipv6_find_idev+0x102/0x170 [ 2303.175119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.175119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.175119][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.175119][ T10] netlink_unicast+0x449/0x710 [ 2303.175119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.175119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.175119][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.175119][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.175119][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.175119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.175119][ T10] [ 2303.176799][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2303.176799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.176799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.176799][ T10] ipv6_find_idev+0x102/0x170 [ 2303.176799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.176799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.176799][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.176799][ T10] netlink_unicast+0x449/0x710 [ 2303.176799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.176799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.176799][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.176799][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.176799][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.176799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.176799][ T10] [ 2303.178669][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2303.178976][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2303.178976][ T10] netdev_get_by_index+0x5e/0x80 [ 2303.178976][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2303.178976][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2303.178976][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2303.178976][ T10] ipv6_add_addr+0x411/0x2000 [ 2303.178976][ T10] inet6_addr_add+0x30e/0xa40 [ 2303.178976][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2303.178976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.178976][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.178976][ T10] netlink_unicast+0x449/0x710 [ 2303.178976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.178976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.178976][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.178976][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.178976][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.178976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.178976][ T10] [ 2303.181185][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2303.181185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2303.181185][ T10] ipv6_find_idev+0x102/0x170 [ 2303.181185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.181185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.181185][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.181185][ T10] netlink_unicast+0x449/0x710 [ 2303.181185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.181185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.181185][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.181185][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.181185][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.181185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.181185][ T10] [ 2303.182878][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2303.182878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2303.182878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2303.182878][ T10] ipv6_find_idev+0x102/0x170 [ 2303.182878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2303.182878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2303.182878][ T10] netlink_rcv_skb+0x130/0x360 [ 2303.182878][ T10] netlink_unicast+0x449/0x710 [ 2303.182878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2303.182878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2303.182878][ T10] ___sys_sendmsg+0xee/0x170 [ 2303.182878][ T10] __sys_sendmsg+0xcd/0x170 [ 2303.182878][ T10] do_syscall_64+0xc6/0x1e0 [ 2303.182878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2303.182878][ T10] [ 2313.218950][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2313.219323][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2313.219323][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.219323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.219323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.219323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.219323][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.219323][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.219323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.219323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.219323][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.219323][ T10] netlink_unicast+0x449/0x710 [ 2313.219323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.219323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.219323][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.219323][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.219323][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.219323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.219323][ T10] [ 2313.221315][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2313.221315][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.221315][ T10] ipv6_find_idev+0x102/0x170 [ 2313.221315][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.221315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.221315][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.221315][ T10] netlink_unicast+0x449/0x710 [ 2313.221315][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.221315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.221315][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.221315][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.221315][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.221315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.221315][ T10] [ 2313.222829][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2313.222829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.222829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.222829][ T10] ipv6_find_idev+0x102/0x170 [ 2313.222829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.222829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.222829][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.222829][ T10] netlink_unicast+0x449/0x710 [ 2313.222829][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.222829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.222829][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.222829][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.222829][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.222829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.222829][ T10] [ 2313.224478][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2313.224751][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2313.224751][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.224751][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.224751][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.224751][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.224751][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.224751][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.224751][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.224751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.224751][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.224751][ T10] netlink_unicast+0x449/0x710 [ 2313.224751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.224751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.224751][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.224751][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.224751][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.224751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.224751][ T10] [ 2313.226708][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2313.226708][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.226708][ T10] ipv6_find_idev+0x102/0x170 [ 2313.226708][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.226708][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.226708][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.226708][ T10] netlink_unicast+0x449/0x710 [ 2313.226708][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.226708][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.226708][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.226708][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.226708][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.226708][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.226708][ T10] [ 2313.228218][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2313.228218][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.228218][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.228218][ T10] ipv6_find_idev+0x102/0x170 [ 2313.228218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.228218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.228218][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.228218][ T10] netlink_unicast+0x449/0x710 [ 2313.228218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.228218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.228218][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.228218][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.228218][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.228218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.228218][ T10] [ 2313.229870][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2313.230129][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2313.230129][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.230129][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.230129][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.230129][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.230129][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.230129][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.230129][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.230129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.230129][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.230129][ T10] netlink_unicast+0x449/0x710 [ 2313.230129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.230129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.230129][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.230129][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.230129][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.230129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.230129][ T10] [ 2313.232092][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2313.232092][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.232092][ T10] ipv6_find_idev+0x102/0x170 [ 2313.232092][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.232092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.232092][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.232092][ T10] netlink_unicast+0x449/0x710 [ 2313.232092][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.232092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.232092][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.232092][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.232092][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.232092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.232092][ T10] [ 2313.233595][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2313.233595][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.233595][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.233595][ T10] ipv6_find_idev+0x102/0x170 [ 2313.233595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.233595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.233595][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.233595][ T10] netlink_unicast+0x449/0x710 [ 2313.233595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.233595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.233595][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.233595][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.233595][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.233595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.233595][ T10] [ 2313.235241][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2313.235501][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2313.235501][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.235501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.235501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.235501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.235501][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.235501][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.235501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.235501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.235501][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.235501][ T10] netlink_unicast+0x449/0x710 [ 2313.235501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.235501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.235501][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.235501][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.235501][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.235501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.235501][ T10] [ 2313.237462][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2313.237462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.237462][ T10] ipv6_find_idev+0x102/0x170 [ 2313.237462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.237462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.237462][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.237462][ T10] netlink_unicast+0x449/0x710 [ 2313.237462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.237462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.237462][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.237462][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.237462][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.237462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.237462][ T10] [ 2313.238968][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2313.238968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.238968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.238968][ T10] ipv6_find_idev+0x102/0x170 [ 2313.238968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.238968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.238968][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.238968][ T10] netlink_unicast+0x449/0x710 [ 2313.238968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.238968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.238968][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.238968][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.238968][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.238968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.238968][ T10] [ 2313.241022][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2313.241283][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2313.241283][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.241283][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.241283][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.241283][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.241283][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.241283][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.241283][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.241283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.241283][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.241283][ T10] netlink_unicast+0x449/0x710 [ 2313.241283][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.241283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.241283][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.241283][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.241283][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.241283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.241283][ T10] [ 2313.243324][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2313.243324][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.243324][ T10] ipv6_find_idev+0x102/0x170 [ 2313.243324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.243324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.243324][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.243324][ T10] netlink_unicast+0x449/0x710 [ 2313.243324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.243324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.243324][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.243324][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.243324][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.243324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.243324][ T10] [ 2313.244837][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2313.244837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.244837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.244837][ T10] ipv6_find_idev+0x102/0x170 [ 2313.244837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.244837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.244837][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.244837][ T10] netlink_unicast+0x449/0x710 [ 2313.244837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.244837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.244837][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.244837][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.244837][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.244837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.244837][ T10] [ 2313.246537][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2313.246796][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2313.246796][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.246796][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.246796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.246796][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.246796][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.246796][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.246796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.246796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.246796][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.246796][ T10] netlink_unicast+0x449/0x710 [ 2313.246796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.246796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.246796][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.246796][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.246796][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.246796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.246796][ T10] [ 2313.248875][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2313.248875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.248875][ T10] ipv6_find_idev+0x102/0x170 [ 2313.248875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.248875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.248875][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.248875][ T10] netlink_unicast+0x449/0x710 [ 2313.248875][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.248875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.248875][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.248875][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.248875][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.248875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.248875][ T10] [ 2313.250630][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2313.250630][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.250630][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.250630][ T10] ipv6_find_idev+0x102/0x170 [ 2313.250630][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.250630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.250630][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.250630][ T10] netlink_unicast+0x449/0x710 [ 2313.250630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.250630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.250630][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.250630][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.250630][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.250630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.250630][ T10] [ 2313.252517][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2313.252782][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2313.252782][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.252782][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.252782][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.252782][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.252782][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.252782][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.252782][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.252782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.252782][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.252782][ T10] netlink_unicast+0x449/0x710 [ 2313.252782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.252782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.252782][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.252782][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.252782][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.252782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.252782][ T10] [ 2313.254974][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2313.254974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.254974][ T10] ipv6_find_idev+0x102/0x170 [ 2313.254974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.254974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.254974][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.254974][ T10] netlink_unicast+0x449/0x710 [ 2313.254974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.254974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.254974][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.254974][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.254974][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.254974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.254974][ T10] [ 2313.256660][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2313.256660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.256660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.256660][ T10] ipv6_find_idev+0x102/0x170 [ 2313.256660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.256660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.256660][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.256660][ T10] netlink_unicast+0x449/0x710 [ 2313.256660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.256660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.256660][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.256660][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.256660][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.256660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.256660][ T10] [ 2313.258534][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2313.258790][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2313.258790][ T10] netdev_get_by_index+0x5e/0x80 [ 2313.258790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2313.258790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2313.258790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2313.258790][ T10] ipv6_add_addr+0x411/0x2000 [ 2313.258790][ T10] inet6_addr_add+0x30e/0xa40 [ 2313.258790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2313.258790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.258790][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.258790][ T10] netlink_unicast+0x449/0x710 [ 2313.258790][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.258790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.258790][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.258790][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.258790][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.258790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.258790][ T10] [ 2313.261048][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2313.261048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2313.261048][ T10] ipv6_find_idev+0x102/0x170 [ 2313.261048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.261048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.261048][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.261048][ T10] netlink_unicast+0x449/0x710 [ 2313.261048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.261048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.261048][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.261048][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.261048][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.261048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.261048][ T10] [ 2313.262765][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2313.262765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2313.262765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2313.262765][ T10] ipv6_find_idev+0x102/0x170 [ 2313.262765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2313.262765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2313.262765][ T10] netlink_rcv_skb+0x130/0x360 [ 2313.262765][ T10] netlink_unicast+0x449/0x710 [ 2313.262765][ T10] netlink_sendmsg+0x723/0xbe0 [ 2313.262765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2313.262765][ T10] ___sys_sendmsg+0xee/0x170 [ 2313.262765][ T10] __sys_sendmsg+0xcd/0x170 [ 2313.262765][ T10] do_syscall_64+0xc6/0x1e0 [ 2313.262765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2313.262765][ T10] [ 2323.514911][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2323.515513][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2323.515513][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.515513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.515513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.515513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.515513][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.515513][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.515513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.515513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.515513][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.515513][ T10] netlink_unicast+0x449/0x710 [ 2323.515513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.515513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.515513][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.515513][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.515513][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.515513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.515513][ T10] [ 2323.518631][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2323.518631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.518631][ T10] ipv6_find_idev+0x102/0x170 [ 2323.518631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.518631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.518631][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.518631][ T10] netlink_unicast+0x449/0x710 [ 2323.518631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.518631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.518631][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.518631][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.518631][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.518631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.518631][ T10] [ 2323.521038][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2323.521038][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.521038][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.521038][ T10] ipv6_find_idev+0x102/0x170 [ 2323.521038][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.521038][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.521038][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.521038][ T10] netlink_unicast+0x449/0x710 [ 2323.521038][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.521038][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.521038][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.521038][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.521038][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.521038][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.521038][ T10] [ 2323.523711][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2323.524138][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2323.524138][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.524138][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.524138][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.524138][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.524138][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.524138][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.524138][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.524138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.524138][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.524138][ T10] netlink_unicast+0x449/0x710 [ 2323.524138][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.524138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.524138][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.524138][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.524138][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.524138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.524138][ T10] [ 2323.527252][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2323.527252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.527252][ T10] ipv6_find_idev+0x102/0x170 [ 2323.527252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.527252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.527252][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.527252][ T10] netlink_unicast+0x449/0x710 [ 2323.527252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.527252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.527252][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.527252][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.527252][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.527252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.527252][ T10] [ 2323.529643][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2323.529643][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.529643][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.529643][ T10] ipv6_find_idev+0x102/0x170 [ 2323.529643][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.529643][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.529643][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.529643][ T10] netlink_unicast+0x449/0x710 [ 2323.529643][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.529643][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.529643][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.529643][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.529643][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.529643][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.529643][ T10] [ 2323.532276][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2323.532685][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2323.532685][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.532685][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.532685][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.532685][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.532685][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.532685][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.532685][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.532685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.532685][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.532685][ T10] netlink_unicast+0x449/0x710 [ 2323.532685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.532685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.532685][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.532685][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.532685][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.532685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.532685][ T10] [ 2323.535794][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2323.535794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.535794][ T10] ipv6_find_idev+0x102/0x170 [ 2323.535794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.535794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.535794][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.535794][ T10] netlink_unicast+0x449/0x710 [ 2323.535794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.535794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.535794][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.535794][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.535794][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.535794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.535794][ T10] [ 2323.538229][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2323.538229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.538229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.538229][ T10] ipv6_find_idev+0x102/0x170 [ 2323.538229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.538229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.538229][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.538229][ T10] netlink_unicast+0x449/0x710 [ 2323.538229][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.538229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.538229][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.538229][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.538229][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.538229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.538229][ T10] [ 2323.540856][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2323.541280][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2323.541280][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.541280][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.541280][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.541280][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.541280][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.541280][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.541280][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.541280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.541280][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.541280][ T10] netlink_unicast+0x449/0x710 [ 2323.541280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.541280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.541280][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.541280][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.541280][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.541280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.541280][ T10] [ 2323.544392][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2323.544392][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.544392][ T10] ipv6_find_idev+0x102/0x170 [ 2323.544392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.544392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.544392][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.544392][ T10] netlink_unicast+0x449/0x710 [ 2323.544392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.544392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.544392][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.544392][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.544392][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.544392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.544392][ T10] [ 2323.546788][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2323.546788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.546788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.546788][ T10] ipv6_find_idev+0x102/0x170 [ 2323.546788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.546788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.546788][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.546788][ T10] netlink_unicast+0x449/0x710 [ 2323.546788][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.546788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.546788][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.546788][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.546788][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.546788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.546788][ T10] [ 2323.550171][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2323.550582][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2323.550582][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.550582][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.550582][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.550582][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.550582][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.550582][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.550582][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.550582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.550582][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.550582][ T10] netlink_unicast+0x449/0x710 [ 2323.550582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.550582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.550582][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.550582][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.550582][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.550582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.550582][ T10] [ 2323.553690][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2323.553690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.553690][ T10] ipv6_find_idev+0x102/0x170 [ 2323.553690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.553690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.553690][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.553690][ T10] netlink_unicast+0x449/0x710 [ 2323.553690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.553690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.553690][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.553690][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.553690][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.553690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.553690][ T10] [ 2323.556077][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2323.556077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.556077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.556077][ T10] ipv6_find_idev+0x102/0x170 [ 2323.556077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.556077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.556077][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.556077][ T10] netlink_unicast+0x449/0x710 [ 2323.556077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.556077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.556077][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.556077][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.556077][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.556077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.556077][ T10] [ 2323.558766][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2323.559270][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2323.559270][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.559270][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.559270][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.559270][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.559270][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.559270][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.559270][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.559270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.559270][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.559270][ T10] netlink_unicast+0x449/0x710 [ 2323.559270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.559270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.559270][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.559270][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.559270][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.559270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.559270][ T10] [ 2323.562480][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2323.562480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.562480][ T10] ipv6_find_idev+0x102/0x170 [ 2323.562480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.562480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.562480][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.562480][ T10] netlink_unicast+0x449/0x710 [ 2323.562480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.562480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.562480][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.562480][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.562480][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.562480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.562480][ T10] [ 2323.565311][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2323.565311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.565311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.565311][ T10] ipv6_find_idev+0x102/0x170 [ 2323.565311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.565311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.565311][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.565311][ T10] netlink_unicast+0x449/0x710 [ 2323.565311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.565311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.565311][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.565311][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.565311][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.565311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.565311][ T10] [ 2323.568323][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2323.568733][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2323.568733][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.568733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.568733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.568733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.568733][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.568733][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.568733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.568733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.568733][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.568733][ T10] netlink_unicast+0x449/0x710 [ 2323.568733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.568733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.568733][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.568733][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.568733][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.568733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.568733][ T10] [ 2323.572168][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2323.572168][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.572168][ T10] ipv6_find_idev+0x102/0x170 [ 2323.572168][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.572168][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.572168][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.572168][ T10] netlink_unicast+0x449/0x710 [ 2323.572168][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.572168][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.572168][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.572168][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.572168][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.572168][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.572168][ T10] [ 2323.574901][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2323.574901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.574901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.574901][ T10] ipv6_find_idev+0x102/0x170 [ 2323.574901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.574901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.574901][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.574901][ T10] netlink_unicast+0x449/0x710 [ 2323.574901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.574901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.574901][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.574901][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.574901][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.574901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.574901][ T10] [ 2323.578057][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2323.578464][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2323.578464][ T10] netdev_get_by_index+0x5e/0x80 [ 2323.578464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2323.578464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2323.578464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2323.578464][ T10] ipv6_add_addr+0x411/0x2000 [ 2323.578464][ T10] inet6_addr_add+0x30e/0xa40 [ 2323.578464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2323.578464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.578464][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.578464][ T10] netlink_unicast+0x449/0x710 [ 2323.578464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.578464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.578464][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.578464][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.578464][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.578464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.578464][ T10] [ 2323.582009][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2323.582009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2323.582009][ T10] ipv6_find_idev+0x102/0x170 [ 2323.582009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.582009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.582009][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.582009][ T10] netlink_unicast+0x449/0x710 [ 2323.582009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.582009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.582009][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.582009][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.582009][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.582009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.582009][ T10] [ 2323.584741][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2323.584741][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2323.584741][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2323.584741][ T10] ipv6_find_idev+0x102/0x170 [ 2323.584741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2323.584741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2323.584741][ T10] netlink_rcv_skb+0x130/0x360 [ 2323.584741][ T10] netlink_unicast+0x449/0x710 [ 2323.584741][ T10] netlink_sendmsg+0x723/0xbe0 [ 2323.584741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2323.584741][ T10] ___sys_sendmsg+0xee/0x170 [ 2323.584741][ T10] __sys_sendmsg+0xcd/0x170 [ 2323.584741][ T10] do_syscall_64+0xc6/0x1e0 [ 2323.584741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2323.584741][ T10] [ 2333.762937][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2333.763402][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2333.763402][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.763402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.763402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.763402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.763402][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.763402][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.763402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.763402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.763402][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.763402][ T10] netlink_unicast+0x449/0x710 [ 2333.763402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.763402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.763402][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.763402][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.763402][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.763402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.763402][ T10] [ 2333.765395][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2333.765395][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.765395][ T10] ipv6_find_idev+0x102/0x170 [ 2333.765395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.765395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.765395][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.765395][ T10] netlink_unicast+0x449/0x710 [ 2333.765395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.765395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.765395][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.765395][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.765395][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.765395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.765395][ T10] [ 2333.766910][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2333.766910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.766910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.766910][ T10] ipv6_find_idev+0x102/0x170 [ 2333.766910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.766910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.766910][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.766910][ T10] netlink_unicast+0x449/0x710 [ 2333.766910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.766910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.766910][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.766910][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.766910][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.766910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.766910][ T10] [ 2333.768576][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2333.768839][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2333.768839][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.768839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.768839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.768839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.768839][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.768839][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.768839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.768839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.768839][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.768839][ T10] netlink_unicast+0x449/0x710 [ 2333.768839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.768839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.768839][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.768839][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.768839][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.768839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.768839][ T10] [ 2333.770799][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2333.770799][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.770799][ T10] ipv6_find_idev+0x102/0x170 [ 2333.770799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.770799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.770799][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.770799][ T10] netlink_unicast+0x449/0x710 [ 2333.770799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.770799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.770799][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.770799][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.770799][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.770799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.770799][ T10] [ 2333.772321][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2333.772321][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.772321][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.772321][ T10] ipv6_find_idev+0x102/0x170 [ 2333.772321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.772321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.772321][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.772321][ T10] netlink_unicast+0x449/0x710 [ 2333.772321][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.772321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.772321][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.772321][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.772321][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.772321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.772321][ T10] [ 2333.773963][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2333.774223][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2333.774223][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.774223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.774223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.774223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.774223][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.774223][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.774223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.774223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.774223][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.774223][ T10] netlink_unicast+0x449/0x710 [ 2333.774223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.774223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.774223][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.774223][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.774223][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.774223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.774223][ T10] [ 2333.776175][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2333.776175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.776175][ T10] ipv6_find_idev+0x102/0x170 [ 2333.776175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.776175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.776175][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.776175][ T10] netlink_unicast+0x449/0x710 [ 2333.776175][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.776175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.776175][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.776175][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.776175][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.776175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.776175][ T10] [ 2333.777684][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2333.777684][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.777684][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.777684][ T10] ipv6_find_idev+0x102/0x170 [ 2333.777684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.777684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.777684][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.777684][ T10] netlink_unicast+0x449/0x710 [ 2333.777684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.777684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.777684][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.777684][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.777684][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.777684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.777684][ T10] [ 2333.779335][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2333.779591][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2333.779591][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.779591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.779591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.779591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.779591][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.779591][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.779591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.779591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.779591][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.779591][ T10] netlink_unicast+0x449/0x710 [ 2333.779591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.779591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.779591][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.779591][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.779591][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.779591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.779591][ T10] [ 2333.781552][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2333.781552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.781552][ T10] ipv6_find_idev+0x102/0x170 [ 2333.781552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.781552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.781552][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.781552][ T10] netlink_unicast+0x449/0x710 [ 2333.781552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.781552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.781552][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.781552][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.781552][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.781552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.781552][ T10] [ 2333.783107][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2333.783107][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.783107][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.783107][ T10] ipv6_find_idev+0x102/0x170 [ 2333.783107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.783107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.783107][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.783107][ T10] netlink_unicast+0x449/0x710 [ 2333.783107][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.783107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.783107][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.783107][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.783107][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.783107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.783107][ T10] [ 2333.784759][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2333.785088][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2333.785088][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.785088][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.785088][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.785088][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.785088][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.785088][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.785088][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.785088][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.785088][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.785088][ T10] netlink_unicast+0x449/0x710 [ 2333.785088][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.785088][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.785088][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.785088][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.785088][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.785088][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.785088][ T10] [ 2333.787037][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2333.787037][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.787037][ T10] ipv6_find_idev+0x102/0x170 [ 2333.787037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.787037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.787037][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.787037][ T10] netlink_unicast+0x449/0x710 [ 2333.787037][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.787037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.787037][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.787037][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.787037][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.787037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.787037][ T10] [ 2333.788606][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2333.788606][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.788606][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.788606][ T10] ipv6_find_idev+0x102/0x170 [ 2333.788606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.788606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.788606][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.788606][ T10] netlink_unicast+0x449/0x710 [ 2333.788606][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.788606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.788606][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.788606][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.788606][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.788606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.788606][ T10] [ 2333.790474][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2333.790743][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2333.790743][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.790743][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.790743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.790743][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.790743][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.790743][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.790743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.790743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.790743][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.790743][ T10] netlink_unicast+0x449/0x710 [ 2333.790743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.790743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.790743][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.790743][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.790743][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.790743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.790743][ T10] [ 2333.793005][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2333.793005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.793005][ T10] ipv6_find_idev+0x102/0x170 [ 2333.793005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.793005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.793005][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.793005][ T10] netlink_unicast+0x449/0x710 [ 2333.793005][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.793005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.793005][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.793005][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.793005][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.793005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.793005][ T10] [ 2333.794703][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2333.794703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.794703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.794703][ T10] ipv6_find_idev+0x102/0x170 [ 2333.794703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.794703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.794703][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.794703][ T10] netlink_unicast+0x449/0x710 [ 2333.794703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.794703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.794703][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.794703][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.794703][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.794703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.794703][ T10] [ 2333.796573][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2333.796834][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2333.796834][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.796834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.796834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.796834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.796834][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.796834][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.796834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.796834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.796834][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.796834][ T10] netlink_unicast+0x449/0x710 [ 2333.796834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.796834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.796834][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.796834][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.796834][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.796834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.796834][ T10] [ 2333.798967][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2333.798967][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.798967][ T10] ipv6_find_idev+0x102/0x170 [ 2333.798967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.798967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.798967][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.798967][ T10] netlink_unicast+0x449/0x710 [ 2333.798967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.798967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.798967][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.798967][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.798967][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.798967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.798967][ T10] [ 2333.800659][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2333.800659][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.800659][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.800659][ T10] ipv6_find_idev+0x102/0x170 [ 2333.800659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.800659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.800659][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.800659][ T10] netlink_unicast+0x449/0x710 [ 2333.800659][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.800659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.800659][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.800659][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.800659][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.800659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.800659][ T10] [ 2333.802653][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2333.802960][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2333.802960][ T10] netdev_get_by_index+0x5e/0x80 [ 2333.802960][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2333.802960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2333.802960][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2333.802960][ T10] ipv6_add_addr+0x411/0x2000 [ 2333.802960][ T10] inet6_addr_add+0x30e/0xa40 [ 2333.802960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2333.802960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.802960][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.802960][ T10] netlink_unicast+0x449/0x710 [ 2333.802960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.802960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.802960][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.802960][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.802960][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.802960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.802960][ T10] [ 2333.805089][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2333.805089][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2333.805089][ T10] ipv6_find_idev+0x102/0x170 [ 2333.805089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.805089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.805089][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.805089][ T10] netlink_unicast+0x449/0x710 [ 2333.805089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.805089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.805089][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.805089][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.805089][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.805089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.805089][ T10] [ 2333.806769][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2333.806769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2333.806769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2333.806769][ T10] ipv6_find_idev+0x102/0x170 [ 2333.806769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2333.806769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2333.806769][ T10] netlink_rcv_skb+0x130/0x360 [ 2333.806769][ T10] netlink_unicast+0x449/0x710 [ 2333.806769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2333.806769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2333.806769][ T10] ___sys_sendmsg+0xee/0x170 [ 2333.806769][ T10] __sys_sendmsg+0xcd/0x170 [ 2333.806769][ T10] do_syscall_64+0xc6/0x1e0 [ 2333.806769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2333.806769][ T10] [ 2344.026887][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2344.027308][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2344.027308][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.027308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.027308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.027308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.027308][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.027308][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.027308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.027308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.027308][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.027308][ T10] netlink_unicast+0x449/0x710 [ 2344.027308][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.027308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.027308][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.027308][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.027308][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.027308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.027308][ T10] [ 2344.029480][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2344.029480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.029480][ T10] ipv6_find_idev+0x102/0x170 [ 2344.029480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.029480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.029480][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.029480][ T10] netlink_unicast+0x449/0x710 [ 2344.029480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.029480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.029480][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.029480][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.029480][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.029480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.029480][ T10] [ 2344.031142][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2344.031142][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.031142][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.031142][ T10] ipv6_find_idev+0x102/0x170 [ 2344.031142][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.031142][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.031142][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.031142][ T10] netlink_unicast+0x449/0x710 [ 2344.031142][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.031142][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.031142][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.031142][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.031142][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.031142][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.031142][ T10] [ 2344.032863][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2344.033125][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2344.033125][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.033125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.033125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.033125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.033125][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.033125][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.033125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.033125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.033125][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.033125][ T10] netlink_unicast+0x449/0x710 [ 2344.033125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.033125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.033125][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.033125][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.033125][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.033125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.033125][ T10] [ 2344.035081][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2344.035081][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.035081][ T10] ipv6_find_idev+0x102/0x170 [ 2344.035081][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.035081][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.035081][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.035081][ T10] netlink_unicast+0x449/0x710 [ 2344.035081][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.035081][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.035081][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.035081][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.035081][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.035081][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.035081][ T10] [ 2344.036590][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2344.036590][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.036590][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.036590][ T10] ipv6_find_idev+0x102/0x170 [ 2344.036590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.036590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.036590][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.036590][ T10] netlink_unicast+0x449/0x710 [ 2344.036590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.036590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.036590][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.036590][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.036590][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.036590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.036590][ T10] [ 2344.038242][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2344.038501][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2344.038501][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.038501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.038501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.038501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.038501][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.038501][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.038501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.038501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.038501][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.038501][ T10] netlink_unicast+0x449/0x710 [ 2344.038501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.038501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.038501][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.038501][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.038501][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.038501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.038501][ T10] [ 2344.040456][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2344.040456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.040456][ T10] ipv6_find_idev+0x102/0x170 [ 2344.040456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.040456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.040456][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.040456][ T10] netlink_unicast+0x449/0x710 [ 2344.040456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.040456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.040456][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.040456][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.040456][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.040456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.040456][ T10] [ 2344.042477][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2344.042477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.042477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.042477][ T10] ipv6_find_idev+0x102/0x170 [ 2344.042477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.042477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.042477][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.042477][ T10] netlink_unicast+0x449/0x710 [ 2344.042477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.042477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.042477][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.042477][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.042477][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.042477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.042477][ T10] [ 2344.044142][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2344.044407][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2344.044407][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.044407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.044407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.044407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.044407][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.044407][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.044407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.044407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.044407][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.044407][ T10] netlink_unicast+0x449/0x710 [ 2344.044407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.044407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.044407][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.044407][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.044407][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.044407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.044407][ T10] [ 2344.046363][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2344.046363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.046363][ T10] ipv6_find_idev+0x102/0x170 [ 2344.046363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.046363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.046363][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.046363][ T10] netlink_unicast+0x449/0x710 [ 2344.046363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.046363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.046363][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.046363][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.046363][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.046363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.046363][ T10] [ 2344.047869][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2344.047869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.047869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.047869][ T10] ipv6_find_idev+0x102/0x170 [ 2344.047869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.047869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.047869][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.047869][ T10] netlink_unicast+0x449/0x710 [ 2344.047869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.047869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.047869][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.047869][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.047869][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.047869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.047869][ T10] [ 2344.049565][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2344.049827][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2344.049827][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.049827][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.049827][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.049827][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.049827][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.049827][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.049827][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.049827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.049827][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.049827][ T10] netlink_unicast+0x449/0x710 [ 2344.049827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.049827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.049827][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.049827][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.049827][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.049827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.049827][ T10] [ 2344.052185][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2344.052185][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.052185][ T10] ipv6_find_idev+0x102/0x170 [ 2344.052185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.052185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.052185][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.052185][ T10] netlink_unicast+0x449/0x710 [ 2344.052185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.052185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.052185][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.052185][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.052185][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.052185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.052185][ T10] [ 2344.053756][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2344.053756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.053756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.053756][ T10] ipv6_find_idev+0x102/0x170 [ 2344.053756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.053756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.053756][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.053756][ T10] netlink_unicast+0x449/0x710 [ 2344.053756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.053756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.053756][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.053756][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.053756][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.053756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.053756][ T10] [ 2344.055627][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2344.055943][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2344.055943][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.055943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.055943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.055943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.055943][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.055943][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.055943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.055943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.055943][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.055943][ T10] netlink_unicast+0x449/0x710 [ 2344.055943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.055943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.055943][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.055943][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.055943][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.055943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.055943][ T10] [ 2344.058135][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2344.058135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.058135][ T10] ipv6_find_idev+0x102/0x170 [ 2344.058135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.058135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.058135][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.058135][ T10] netlink_unicast+0x449/0x710 [ 2344.058135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.058135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.058135][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.058135][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.058135][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.058135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.058135][ T10] [ 2344.059822][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2344.059822][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.059822][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.059822][ T10] ipv6_find_idev+0x102/0x170 [ 2344.059822][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.059822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.059822][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.059822][ T10] netlink_unicast+0x449/0x710 [ 2344.059822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.059822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.059822][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.059822][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.059822][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.059822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.059822][ T10] [ 2344.061686][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2344.062013][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2344.062013][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.062013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.062013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.062013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.062013][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.062013][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.062013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.062013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.062013][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.062013][ T10] netlink_unicast+0x449/0x710 [ 2344.062013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.062013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.062013][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.062013][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.062013][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.062013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.062013][ T10] [ 2344.064203][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2344.064203][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.064203][ T10] ipv6_find_idev+0x102/0x170 [ 2344.064203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.064203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.064203][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.064203][ T10] netlink_unicast+0x449/0x710 [ 2344.064203][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.064203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.064203][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.064203][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.064203][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.064203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.064203][ T10] [ 2344.065892][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2344.065892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.065892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.065892][ T10] ipv6_find_idev+0x102/0x170 [ 2344.065892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.065892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.065892][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.065892][ T10] netlink_unicast+0x449/0x710 [ 2344.065892][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.065892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.065892][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.065892][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.065892][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.065892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.065892][ T10] [ 2344.067889][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2344.068158][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2344.068158][ T10] netdev_get_by_index+0x5e/0x80 [ 2344.068158][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2344.068158][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2344.068158][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2344.068158][ T10] ipv6_add_addr+0x411/0x2000 [ 2344.068158][ T10] inet6_addr_add+0x30e/0xa40 [ 2344.068158][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2344.068158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.068158][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.068158][ T10] netlink_unicast+0x449/0x710 [ 2344.068158][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.068158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.068158][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.068158][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.068158][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.068158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.068158][ T10] [ 2344.070358][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2344.070358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2344.070358][ T10] ipv6_find_idev+0x102/0x170 [ 2344.070358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.070358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.070358][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.070358][ T10] netlink_unicast+0x449/0x710 [ 2344.070358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.070358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.070358][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.070358][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.070358][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.070358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.070358][ T10] [ 2344.072056][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2344.072056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2344.072056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2344.072056][ T10] ipv6_find_idev+0x102/0x170 [ 2344.072056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2344.072056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2344.072056][ T10] netlink_rcv_skb+0x130/0x360 [ 2344.072056][ T10] netlink_unicast+0x449/0x710 [ 2344.072056][ T10] netlink_sendmsg+0x723/0xbe0 [ 2344.072056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2344.072056][ T10] ___sys_sendmsg+0xee/0x170 [ 2344.072056][ T10] __sys_sendmsg+0xcd/0x170 [ 2344.072056][ T10] do_syscall_64+0xc6/0x1e0 [ 2344.072056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2344.072056][ T10] [ 2354.074893][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2354.075286][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2354.075286][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.075286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.075286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.075286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.075286][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.075286][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.075286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.075286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.075286][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.075286][ T10] netlink_unicast+0x449/0x710 [ 2354.075286][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.075286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.075286][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.075286][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.075286][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.075286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.075286][ T10] [ 2354.077283][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2354.077283][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.077283][ T10] ipv6_find_idev+0x102/0x170 [ 2354.077283][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.077283][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.077283][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.077283][ T10] netlink_unicast+0x449/0x710 [ 2354.077283][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.077283][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.077283][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.077283][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.077283][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.077283][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.077283][ T10] [ 2354.078797][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2354.078797][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.078797][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.078797][ T10] ipv6_find_idev+0x102/0x170 [ 2354.078797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.078797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.078797][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.078797][ T10] netlink_unicast+0x449/0x710 [ 2354.078797][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.078797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.078797][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.078797][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.078797][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.078797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.078797][ T10] [ 2354.080451][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2354.080713][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2354.080713][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.080713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.080713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.080713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.080713][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.080713][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.080713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.080713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.080713][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.080713][ T10] netlink_unicast+0x449/0x710 [ 2354.080713][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.080713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.080713][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.080713][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.080713][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.080713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.080713][ T10] [ 2354.082679][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2354.082679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.082679][ T10] ipv6_find_idev+0x102/0x170 [ 2354.082679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.082679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.082679][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.082679][ T10] netlink_unicast+0x449/0x710 [ 2354.082679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.082679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.082679][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.082679][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.082679][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.082679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.082679][ T10] [ 2354.084192][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2354.084192][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.084192][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.084192][ T10] ipv6_find_idev+0x102/0x170 [ 2354.084192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.084192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.084192][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.084192][ T10] netlink_unicast+0x449/0x710 [ 2354.084192][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.084192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.084192][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.084192][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.084192][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.084192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.084192][ T10] [ 2354.085880][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2354.086141][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2354.086141][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.086141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.086141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.086141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.086141][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.086141][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.086141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.086141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.086141][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.086141][ T10] netlink_unicast+0x449/0x710 [ 2354.086141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.086141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.086141][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.086141][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.086141][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.086141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.086141][ T10] [ 2354.088104][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2354.088104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.088104][ T10] ipv6_find_idev+0x102/0x170 [ 2354.088104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.088104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.088104][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.088104][ T10] netlink_unicast+0x449/0x710 [ 2354.088104][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.088104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.088104][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.088104][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.088104][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.088104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.088104][ T10] [ 2354.089623][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2354.089623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.089623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.089623][ T10] ipv6_find_idev+0x102/0x170 [ 2354.089623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.089623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.089623][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.089623][ T10] netlink_unicast+0x449/0x710 [ 2354.089623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.089623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.089623][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.089623][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.089623][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.089623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.089623][ T10] [ 2354.091276][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2354.091534][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2354.091534][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.091534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.091534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.091534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.091534][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.091534][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.091534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.091534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.091534][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.091534][ T10] netlink_unicast+0x449/0x710 [ 2354.091534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.091534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.091534][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.091534][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.091534][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.091534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.091534][ T10] [ 2354.093501][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2354.093501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.093501][ T10] ipv6_find_idev+0x102/0x170 [ 2354.093501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.093501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.093501][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.093501][ T10] netlink_unicast+0x449/0x710 [ 2354.093501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.093501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.093501][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.093501][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.093501][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.093501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.093501][ T10] [ 2354.095013][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2354.095013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.095013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.095013][ T10] ipv6_find_idev+0x102/0x170 [ 2354.095013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.095013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.095013][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.095013][ T10] netlink_unicast+0x449/0x710 [ 2354.095013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.095013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.095013][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.095013][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.095013][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.095013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.095013][ T10] [ 2354.097075][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2354.097333][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2354.097333][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.097333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.097333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.097333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.097333][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.097333][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.097333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.097333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.097333][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.097333][ T10] netlink_unicast+0x449/0x710 [ 2354.097333][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.097333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.097333][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.097333][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.097333][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.097333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.097333][ T10] [ 2354.099277][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2354.099277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.099277][ T10] ipv6_find_idev+0x102/0x170 [ 2354.099277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.099277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.099277][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.099277][ T10] netlink_unicast+0x449/0x710 [ 2354.099277][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.099277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.099277][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.099277][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.099277][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.099277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.099277][ T10] [ 2354.100777][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2354.100777][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.100777][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.100777][ T10] ipv6_find_idev+0x102/0x170 [ 2354.100777][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.100777][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.100777][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.100777][ T10] netlink_unicast+0x449/0x710 [ 2354.100777][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.100777][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.100777][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.100777][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.100777][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.100777][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.100777][ T10] [ 2354.102471][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2354.102732][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2354.102732][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.102732][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.102732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.102732][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.102732][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.102732][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.102732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.102732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.102732][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.102732][ T10] netlink_unicast+0x449/0x710 [ 2354.102732][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.102732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.102732][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.102732][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.102732][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.102732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.102732][ T10] [ 2354.104745][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2354.104745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.104745][ T10] ipv6_find_idev+0x102/0x170 [ 2354.104745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.104745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.104745][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.104745][ T10] netlink_unicast+0x449/0x710 [ 2354.104745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.104745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.104745][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.104745][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.104745][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.104745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.104745][ T10] [ 2354.106503][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2354.106503][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.106503][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.106503][ T10] ipv6_find_idev+0x102/0x170 [ 2354.106503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.106503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.106503][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.106503][ T10] netlink_unicast+0x449/0x710 [ 2354.106503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.106503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.106503][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.106503][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.106503][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.106503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.106503][ T10] [ 2354.108372][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2354.108633][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2354.108633][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.108633][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.108633][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.108633][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.108633][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.108633][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.108633][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.108633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.108633][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.108633][ T10] netlink_unicast+0x449/0x710 [ 2354.108633][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.108633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.108633][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.108633][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.108633][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.108633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.108633][ T10] [ 2354.110780][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2354.110780][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.110780][ T10] ipv6_find_idev+0x102/0x170 [ 2354.110780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.110780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.110780][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.110780][ T10] netlink_unicast+0x449/0x710 [ 2354.110780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.110780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.110780][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.110780][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.110780][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.110780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.110780][ T10] [ 2354.112475][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2354.112475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.112475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.112475][ T10] ipv6_find_idev+0x102/0x170 [ 2354.112475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.112475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.112475][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.112475][ T10] netlink_unicast+0x449/0x710 [ 2354.112475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.112475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.112475][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.112475][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.112475][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.112475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.112475][ T10] [ 2354.114451][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2354.114715][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2354.114715][ T10] netdev_get_by_index+0x5e/0x80 [ 2354.114715][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2354.114715][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2354.114715][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2354.114715][ T10] ipv6_add_addr+0x411/0x2000 [ 2354.114715][ T10] inet6_addr_add+0x30e/0xa40 [ 2354.114715][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2354.114715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.114715][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.114715][ T10] netlink_unicast+0x449/0x710 [ 2354.114715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.114715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.114715][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.114715][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.114715][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.114715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.114715][ T10] [ 2354.116970][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2354.116970][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2354.116970][ T10] ipv6_find_idev+0x102/0x170 [ 2354.116970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.116970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.116970][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.116970][ T10] netlink_unicast+0x449/0x710 [ 2354.116970][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.116970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.116970][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.116970][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.116970][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.116970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.116970][ T10] [ 2354.118655][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2354.118655][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2354.118655][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2354.118655][ T10] ipv6_find_idev+0x102/0x170 [ 2354.118655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2354.118655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2354.118655][ T10] netlink_rcv_skb+0x130/0x360 [ 2354.118655][ T10] netlink_unicast+0x449/0x710 [ 2354.118655][ T10] netlink_sendmsg+0x723/0xbe0 [ 2354.118655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2354.118655][ T10] ___sys_sendmsg+0xee/0x170 [ 2354.118655][ T10] __sys_sendmsg+0xcd/0x170 [ 2354.118655][ T10] do_syscall_64+0xc6/0x1e0 [ 2354.118655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2354.118655][ T10] [ 2364.419904][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2364.420350][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2364.420350][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.420350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.420350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.420350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.420350][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.420350][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.420350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.420350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.420350][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.420350][ T10] netlink_unicast+0x449/0x710 [ 2364.420350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.420350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.420350][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.420350][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.420350][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.420350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.420350][ T10] [ 2364.422350][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2364.422350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.422350][ T10] ipv6_find_idev+0x102/0x170 [ 2364.422350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.422350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.422350][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.422350][ T10] netlink_unicast+0x449/0x710 [ 2364.422350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.422350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.422350][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.422350][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.422350][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.422350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.422350][ T10] [ 2364.423884][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2364.423884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.423884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.423884][ T10] ipv6_find_idev+0x102/0x170 [ 2364.423884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.423884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.423884][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.423884][ T10] netlink_unicast+0x449/0x710 [ 2364.423884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.423884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.423884][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.423884][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.423884][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.423884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.423884][ T10] [ 2364.425538][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2364.425809][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2364.425809][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.425809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.425809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.425809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.425809][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.425809][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.425809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.425809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.425809][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.425809][ T10] netlink_unicast+0x449/0x710 [ 2364.425809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.425809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.425809][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.425809][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.425809][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.425809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.425809][ T10] [ 2364.428517][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2364.428517][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.428517][ T10] ipv6_find_idev+0x102/0x170 [ 2364.428517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.428517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.428517][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.428517][ T10] netlink_unicast+0x449/0x710 [ 2364.428517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.428517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.428517][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.428517][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.428517][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.428517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.428517][ T10] [ 2364.430915][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2364.430915][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.430915][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.430915][ T10] ipv6_find_idev+0x102/0x170 [ 2364.430915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.430915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.430915][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.430915][ T10] netlink_unicast+0x449/0x710 [ 2364.430915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.430915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.430915][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.430915][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.430915][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.430915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.430915][ T10] [ 2364.433528][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2364.433954][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2364.433954][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.433954][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.433954][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.433954][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.433954][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.433954][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.433954][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.433954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.433954][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.433954][ T10] netlink_unicast+0x449/0x710 [ 2364.433954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.433954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.433954][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.433954][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.433954][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.433954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.433954][ T10] [ 2364.437040][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2364.437040][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.437040][ T10] ipv6_find_idev+0x102/0x170 [ 2364.437040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.437040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.437040][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.437040][ T10] netlink_unicast+0x449/0x710 [ 2364.437040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.437040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.437040][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.437040][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.437040][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.437040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.437040][ T10] [ 2364.439432][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2364.439432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.439432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.439432][ T10] ipv6_find_idev+0x102/0x170 [ 2364.439432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.439432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.439432][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.439432][ T10] netlink_unicast+0x449/0x710 [ 2364.439432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.439432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.439432][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.439432][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.439432][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.439432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.439432][ T10] [ 2364.442054][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2364.442476][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2364.442476][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.442476][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.442476][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.442476][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.442476][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.442476][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.442476][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.442476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.442476][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.442476][ T10] netlink_unicast+0x449/0x710 [ 2364.442476][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.442476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.442476][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.442476][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.442476][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.442476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.442476][ T10] [ 2364.445560][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2364.445560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.445560][ T10] ipv6_find_idev+0x102/0x170 [ 2364.445560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.445560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.445560][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.445560][ T10] netlink_unicast+0x449/0x710 [ 2364.445560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.445560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.445560][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.445560][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.445560][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.445560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.445560][ T10] [ 2364.447967][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2364.447967][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.447967][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.447967][ T10] ipv6_find_idev+0x102/0x170 [ 2364.447967][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.447967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.447967][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.447967][ T10] netlink_unicast+0x449/0x710 [ 2364.447967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.447967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.447967][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.447967][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.447967][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.447967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.447967][ T10] [ 2364.451371][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2364.451803][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2364.451803][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.451803][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.451803][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.451803][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.451803][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.451803][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.451803][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.451803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.451803][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.451803][ T10] netlink_unicast+0x449/0x710 [ 2364.451803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.451803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.451803][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.451803][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.451803][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.451803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.451803][ T10] [ 2364.454906][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2364.454906][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.454906][ T10] ipv6_find_idev+0x102/0x170 [ 2364.454906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.454906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.454906][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.454906][ T10] netlink_unicast+0x449/0x710 [ 2364.454906][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.454906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.454906][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.454906][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.454906][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.454906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.454906][ T10] [ 2364.457300][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2364.457300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.457300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.457300][ T10] ipv6_find_idev+0x102/0x170 [ 2364.457300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.457300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.457300][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.457300][ T10] netlink_unicast+0x449/0x710 [ 2364.457300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.457300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.457300][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.457300][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.457300][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.457300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.457300][ T10] [ 2364.460007][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2364.460416][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2364.460416][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.460416][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.460416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.460416][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.460416][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.460416][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.460416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.460416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.460416][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.460416][ T10] netlink_unicast+0x449/0x710 [ 2364.460416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.460416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.460416][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.460416][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.460416][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.460416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.460416][ T10] [ 2364.463746][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2364.463746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.463746][ T10] ipv6_find_idev+0x102/0x170 [ 2364.463746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.463746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.463746][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.463746][ T10] netlink_unicast+0x449/0x710 [ 2364.463746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.463746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.463746][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.463746][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.463746][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.463746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.463746][ T10] [ 2364.466475][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2364.466475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.466475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.466475][ T10] ipv6_find_idev+0x102/0x170 [ 2364.466475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.466475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.466475][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.466475][ T10] netlink_unicast+0x449/0x710 [ 2364.466475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.466475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.466475][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.466475][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.466475][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.466475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.466475][ T10] [ 2364.469337][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2364.469768][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2364.469768][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.469768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.469768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.469768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.469768][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.469768][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.469768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.469768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.469768][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.469768][ T10] netlink_unicast+0x449/0x710 [ 2364.469768][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.469768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.469768][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.469768][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.469768][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.469768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.469768][ T10] [ 2364.474027][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2364.474027][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.474027][ T10] ipv6_find_idev+0x102/0x170 [ 2364.474027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.474027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.474027][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.474027][ T10] netlink_unicast+0x449/0x710 [ 2364.474027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.474027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.474027][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.474027][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.474027][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.474027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.474027][ T10] [ 2364.476562][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2364.476562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.476562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.476562][ T10] ipv6_find_idev+0x102/0x170 [ 2364.476562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.476562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.476562][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.476562][ T10] netlink_unicast+0x449/0x710 [ 2364.476562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.476562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.476562][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.476562][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.476562][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.476562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.476562][ T10] [ 2364.479420][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2364.479836][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2364.479836][ T10] netdev_get_by_index+0x5e/0x80 [ 2364.479836][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2364.479836][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2364.479836][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2364.479836][ T10] ipv6_add_addr+0x411/0x2000 [ 2364.479836][ T10] inet6_addr_add+0x30e/0xa40 [ 2364.479836][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2364.479836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.479836][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.479836][ T10] netlink_unicast+0x449/0x710 [ 2364.479836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.479836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.479836][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.479836][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.479836][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.479836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.479836][ T10] [ 2364.483393][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2364.483393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2364.483393][ T10] ipv6_find_idev+0x102/0x170 [ 2364.483393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.483393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.483393][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.483393][ T10] netlink_unicast+0x449/0x710 [ 2364.483393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.483393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.483393][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.483393][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.483393][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.483393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.483393][ T10] [ 2364.486246][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2364.486246][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2364.486246][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2364.486246][ T10] ipv6_find_idev+0x102/0x170 [ 2364.486246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2364.486246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2364.486246][ T10] netlink_rcv_skb+0x130/0x360 [ 2364.486246][ T10] netlink_unicast+0x449/0x710 [ 2364.486246][ T10] netlink_sendmsg+0x723/0xbe0 [ 2364.486246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2364.486246][ T10] ___sys_sendmsg+0xee/0x170 [ 2364.486246][ T10] __sys_sendmsg+0xcd/0x170 [ 2364.486246][ T10] do_syscall_64+0xc6/0x1e0 [ 2364.486246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2364.486246][ T10] [ 2374.730903][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2374.731293][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2374.731293][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.731293][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.731293][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.731293][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.731293][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.731293][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.731293][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.731293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.731293][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.731293][ T10] netlink_unicast+0x449/0x710 [ 2374.731293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.731293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.731293][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.731293][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.731293][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.731293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.731293][ T10] [ 2374.733272][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2374.733272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.733272][ T10] ipv6_find_idev+0x102/0x170 [ 2374.733272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.733272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.733272][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.733272][ T10] netlink_unicast+0x449/0x710 [ 2374.733272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.733272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.733272][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.733272][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.733272][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.733272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.733272][ T10] [ 2374.734787][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2374.734787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.734787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.734787][ T10] ipv6_find_idev+0x102/0x170 [ 2374.734787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.734787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.734787][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.734787][ T10] netlink_unicast+0x449/0x710 [ 2374.734787][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.734787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.734787][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.734787][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.734787][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.734787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.734787][ T10] [ 2374.736458][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2374.736719][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2374.736719][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.736719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.736719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.736719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.736719][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.736719][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.736719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.736719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.736719][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.736719][ T10] netlink_unicast+0x449/0x710 [ 2374.736719][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.736719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.736719][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.736719][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.736719][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.736719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.736719][ T10] [ 2374.739046][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2374.739046][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.739046][ T10] ipv6_find_idev+0x102/0x170 [ 2374.739046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.739046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.739046][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.739046][ T10] netlink_unicast+0x449/0x710 [ 2374.739046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.739046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.739046][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.739046][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.739046][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.739046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.739046][ T10] [ 2374.740562][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2374.740562][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.740562][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.740562][ T10] ipv6_find_idev+0x102/0x170 [ 2374.740562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.740562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.740562][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.740562][ T10] netlink_unicast+0x449/0x710 [ 2374.740562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.740562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.740562][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.740562][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.740562][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.740562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.740562][ T10] [ 2374.742222][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2374.742483][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2374.742483][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.742483][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.742483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.742483][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.742483][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.742483][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.742483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.742483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.742483][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.742483][ T10] netlink_unicast+0x449/0x710 [ 2374.742483][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.742483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.742483][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.742483][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.742483][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.742483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.742483][ T10] [ 2374.744436][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2374.744436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.744436][ T10] ipv6_find_idev+0x102/0x170 [ 2374.744436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.744436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.744436][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.744436][ T10] netlink_unicast+0x449/0x710 [ 2374.744436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.744436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.744436][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.744436][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.744436][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.744436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.744436][ T10] [ 2374.745949][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2374.745949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.745949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.745949][ T10] ipv6_find_idev+0x102/0x170 [ 2374.745949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.745949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.745949][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.745949][ T10] netlink_unicast+0x449/0x710 [ 2374.745949][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.745949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.745949][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.745949][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.745949][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.745949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.745949][ T10] [ 2374.747599][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2374.747866][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2374.747866][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.747866][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.747866][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.747866][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.747866][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.747866][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.747866][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.747866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.747866][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.747866][ T10] netlink_unicast+0x449/0x710 [ 2374.747866][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.747866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.747866][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.747866][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.747866][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.747866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.747866][ T10] [ 2374.749821][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2374.749821][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.749821][ T10] ipv6_find_idev+0x102/0x170 [ 2374.749821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.749821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.749821][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.749821][ T10] netlink_unicast+0x449/0x710 [ 2374.749821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.749821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.749821][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.749821][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.749821][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.749821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.749821][ T10] [ 2374.751337][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2374.751337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.751337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.751337][ T10] ipv6_find_idev+0x102/0x170 [ 2374.751337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.751337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.751337][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.751337][ T10] netlink_unicast+0x449/0x710 [ 2374.751337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.751337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.751337][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.751337][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.751337][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.751337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.751337][ T10] [ 2374.753403][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2374.753661][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2374.753661][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.753661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.753661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.753661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.753661][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.753661][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.753661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.753661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.753661][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.753661][ T10] netlink_unicast+0x449/0x710 [ 2374.753661][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.753661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.753661][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.753661][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.753661][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.753661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.753661][ T10] [ 2374.755613][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2374.755613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.755613][ T10] ipv6_find_idev+0x102/0x170 [ 2374.755613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.755613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.755613][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.755613][ T10] netlink_unicast+0x449/0x710 [ 2374.755613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.755613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.755613][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.755613][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.755613][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.755613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.755613][ T10] [ 2374.757118][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2374.757118][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.757118][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.757118][ T10] ipv6_find_idev+0x102/0x170 [ 2374.757118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.757118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.757118][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.757118][ T10] netlink_unicast+0x449/0x710 [ 2374.757118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.757118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.757118][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.757118][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.757118][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.757118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.757118][ T10] [ 2374.758817][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2374.759133][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2374.759133][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.759133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.759133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.759133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.759133][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.759133][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.759133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.759133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.759133][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.759133][ T10] netlink_unicast+0x449/0x710 [ 2374.759133][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.759133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.759133][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.759133][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.759133][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.759133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.759133][ T10] [ 2374.761164][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2374.761164][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.761164][ T10] ipv6_find_idev+0x102/0x170 [ 2374.761164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.761164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.761164][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.761164][ T10] netlink_unicast+0x449/0x710 [ 2374.761164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.761164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.761164][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.761164][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.761164][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.761164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.761164][ T10] [ 2374.762920][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2374.762920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.762920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.762920][ T10] ipv6_find_idev+0x102/0x170 [ 2374.762920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.762920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.762920][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.762920][ T10] netlink_unicast+0x449/0x710 [ 2374.762920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.762920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.762920][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.762920][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.762920][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.762920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.762920][ T10] [ 2374.764861][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2374.765121][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2374.765121][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.765121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.765121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.765121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.765121][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.765121][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.765121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.765121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.765121][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.765121][ T10] netlink_unicast+0x449/0x710 [ 2374.765121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.765121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.765121][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.765121][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.765121][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.765121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.765121][ T10] [ 2374.767252][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2374.767252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.767252][ T10] ipv6_find_idev+0x102/0x170 [ 2374.767252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.767252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.767252][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.767252][ T10] netlink_unicast+0x449/0x710 [ 2374.767252][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.767252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.767252][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.767252][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.767252][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.767252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.767252][ T10] [ 2374.768938][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2374.768938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.768938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.768938][ T10] ipv6_find_idev+0x102/0x170 [ 2374.768938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.768938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.768938][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.768938][ T10] netlink_unicast+0x449/0x710 [ 2374.768938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.768938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.768938][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.768938][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.768938][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.768938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.768938][ T10] [ 2374.770863][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2374.771123][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2374.771123][ T10] netdev_get_by_index+0x5e/0x80 [ 2374.771123][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2374.771123][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2374.771123][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2374.771123][ T10] ipv6_add_addr+0x411/0x2000 [ 2374.771123][ T10] inet6_addr_add+0x30e/0xa40 [ 2374.771123][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2374.771123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.771123][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.771123][ T10] netlink_unicast+0x449/0x710 [ 2374.771123][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.771123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.771123][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.771123][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.771123][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.771123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.771123][ T10] [ 2374.773332][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2374.773332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2374.773332][ T10] ipv6_find_idev+0x102/0x170 [ 2374.773332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.773332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.773332][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.773332][ T10] netlink_unicast+0x449/0x710 [ 2374.773332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.773332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.773332][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.773332][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.773332][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.773332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.773332][ T10] [ 2374.775015][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2374.775015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2374.775015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2374.775015][ T10] ipv6_find_idev+0x102/0x170 [ 2374.775015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2374.775015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2374.775015][ T10] netlink_rcv_skb+0x130/0x360 [ 2374.775015][ T10] netlink_unicast+0x449/0x710 [ 2374.775015][ T10] netlink_sendmsg+0x723/0xbe0 [ 2374.775015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2374.775015][ T10] ___sys_sendmsg+0xee/0x170 [ 2374.775015][ T10] __sys_sendmsg+0xcd/0x170 [ 2374.775015][ T10] do_syscall_64+0xc6/0x1e0 [ 2374.775015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2374.775015][ T10] [ 2385.018946][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2385.019330][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2385.019330][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.019330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.019330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.019330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.019330][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.019330][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.019330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.019330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.019330][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.019330][ T10] netlink_unicast+0x449/0x710 [ 2385.019330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.019330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.019330][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.019330][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.019330][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.019330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.019330][ T10] [ 2385.021304][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2385.021304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.021304][ T10] ipv6_find_idev+0x102/0x170 [ 2385.021304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.021304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.021304][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.021304][ T10] netlink_unicast+0x449/0x710 [ 2385.021304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.021304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.021304][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.021304][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.021304][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.021304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.021304][ T10] [ 2385.022821][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2385.022821][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.022821][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.022821][ T10] ipv6_find_idev+0x102/0x170 [ 2385.022821][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.022821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.022821][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.022821][ T10] netlink_unicast+0x449/0x710 [ 2385.022821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.022821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.022821][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.022821][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.022821][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.022821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.022821][ T10] [ 2385.024478][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2385.024742][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2385.024742][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.024742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.024742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.024742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.024742][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.024742][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.024742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.024742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.024742][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.024742][ T10] netlink_unicast+0x449/0x710 [ 2385.024742][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.024742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.024742][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.024742][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.024742][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.024742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.024742][ T10] [ 2385.026695][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2385.026695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.026695][ T10] ipv6_find_idev+0x102/0x170 [ 2385.026695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.026695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.026695][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.026695][ T10] netlink_unicast+0x449/0x710 [ 2385.026695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.026695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.026695][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.026695][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.026695][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.026695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.026695][ T10] [ 2385.028213][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2385.028213][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.028213][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.028213][ T10] ipv6_find_idev+0x102/0x170 [ 2385.028213][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.028213][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.028213][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.028213][ T10] netlink_unicast+0x449/0x710 [ 2385.028213][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.028213][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.028213][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.028213][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.028213][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.028213][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.028213][ T10] [ 2385.029884][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2385.030144][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2385.030144][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.030144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.030144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.030144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.030144][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.030144][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.030144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.030144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.030144][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.030144][ T10] netlink_unicast+0x449/0x710 [ 2385.030144][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.030144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.030144][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.030144][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.030144][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.030144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.030144][ T10] [ 2385.032106][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2385.032106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.032106][ T10] ipv6_find_idev+0x102/0x170 [ 2385.032106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.032106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.032106][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.032106][ T10] netlink_unicast+0x449/0x710 [ 2385.032106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.032106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.032106][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.032106][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.032106][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.032106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.032106][ T10] [ 2385.033614][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2385.033614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.033614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.033614][ T10] ipv6_find_idev+0x102/0x170 [ 2385.033614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.033614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.033614][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.033614][ T10] netlink_unicast+0x449/0x710 [ 2385.033614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.033614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.033614][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.033614][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.033614][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.033614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.033614][ T10] [ 2385.035263][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2385.035519][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2385.035519][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.035519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.035519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.035519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.035519][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.035519][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.035519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.035519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.035519][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.035519][ T10] netlink_unicast+0x449/0x710 [ 2385.035519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.035519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.035519][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.035519][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.035519][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.035519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.035519][ T10] [ 2385.037482][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2385.037482][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.037482][ T10] ipv6_find_idev+0x102/0x170 [ 2385.037482][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.037482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.037482][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.037482][ T10] netlink_unicast+0x449/0x710 [ 2385.037482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.037482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.037482][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.037482][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.037482][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.037482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.037482][ T10] [ 2385.039009][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2385.039009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.039009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.039009][ T10] ipv6_find_idev+0x102/0x170 [ 2385.039009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.039009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.039009][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.039009][ T10] netlink_unicast+0x449/0x710 [ 2385.039009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.039009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.039009][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.039009][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.039009][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.039009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.039009][ T10] [ 2385.041108][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2385.041366][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2385.041366][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.041366][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.041366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.041366][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.041366][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.041366][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.041366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.041366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.041366][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.041366][ T10] netlink_unicast+0x449/0x710 [ 2385.041366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.041366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.041366][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.041366][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.041366][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.041366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.041366][ T10] [ 2385.043338][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2385.043338][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.043338][ T10] ipv6_find_idev+0x102/0x170 [ 2385.043338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.043338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.043338][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.043338][ T10] netlink_unicast+0x449/0x710 [ 2385.043338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.043338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.043338][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.043338][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.043338][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.043338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.043338][ T10] [ 2385.044869][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2385.044869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.044869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.044869][ T10] ipv6_find_idev+0x102/0x170 [ 2385.044869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.044869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.044869][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.044869][ T10] netlink_unicast+0x449/0x710 [ 2385.044869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.044869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.044869][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.044869][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.044869][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.044869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.044869][ T10] [ 2385.046599][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2385.046867][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2385.046867][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.046867][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.046867][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.046867][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.046867][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.046867][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.046867][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.046867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.046867][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.046867][ T10] netlink_unicast+0x449/0x710 [ 2385.046867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.046867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.046867][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.046867][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.046867][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.046867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.046867][ T10] [ 2385.048902][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2385.048902][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.048902][ T10] ipv6_find_idev+0x102/0x170 [ 2385.048902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.048902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.048902][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.048902][ T10] netlink_unicast+0x449/0x710 [ 2385.048902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.048902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.048902][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.048902][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.048902][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.048902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.048902][ T10] [ 2385.050534][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2385.050534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.050534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.050534][ T10] ipv6_find_idev+0x102/0x170 [ 2385.050534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.050534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.050534][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.050534][ T10] netlink_unicast+0x449/0x710 [ 2385.050534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.050534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.050534][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.050534][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.050534][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.050534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.050534][ T10] [ 2385.052365][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2385.052642][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2385.052642][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.052642][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.052642][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.052642][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.052642][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.052642][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.052642][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.052642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.052642][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.052642][ T10] netlink_unicast+0x449/0x710 [ 2385.052642][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.052642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.052642][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.052642][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.052642][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.052642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.052642][ T10] [ 2385.054778][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2385.054778][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.054778][ T10] ipv6_find_idev+0x102/0x170 [ 2385.054778][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.054778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.054778][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.054778][ T10] netlink_unicast+0x449/0x710 [ 2385.054778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.054778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.054778][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.054778][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.054778][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.054778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.054778][ T10] [ 2385.056466][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2385.056466][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.056466][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.056466][ T10] ipv6_find_idev+0x102/0x170 [ 2385.056466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.056466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.056466][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.056466][ T10] netlink_unicast+0x449/0x710 [ 2385.056466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.056466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.056466][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.056466][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.056466][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.056466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.056466][ T10] [ 2385.058340][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2385.058648][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2385.058648][ T10] netdev_get_by_index+0x5e/0x80 [ 2385.058648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2385.058648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2385.058648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2385.058648][ T10] ipv6_add_addr+0x411/0x2000 [ 2385.058648][ T10] inet6_addr_add+0x30e/0xa40 [ 2385.058648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2385.058648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.058648][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.058648][ T10] netlink_unicast+0x449/0x710 [ 2385.058648][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.058648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.058648][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.058648][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.058648][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.058648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.058648][ T10] [ 2385.060779][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2385.060779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2385.060779][ T10] ipv6_find_idev+0x102/0x170 [ 2385.060779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.060779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.060779][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.060779][ T10] netlink_unicast+0x449/0x710 [ 2385.060779][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.060779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.060779][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.060779][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.060779][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.060779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.060779][ T10] [ 2385.062531][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2385.062531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2385.062531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2385.062531][ T10] ipv6_find_idev+0x102/0x170 [ 2385.062531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2385.062531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2385.062531][ T10] netlink_rcv_skb+0x130/0x360 [ 2385.062531][ T10] netlink_unicast+0x449/0x710 [ 2385.062531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2385.062531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2385.062531][ T10] ___sys_sendmsg+0xee/0x170 [ 2385.062531][ T10] __sys_sendmsg+0xcd/0x170 [ 2385.062531][ T10] do_syscall_64+0xc6/0x1e0 [ 2385.062531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2385.062531][ T10] [ 2395.122940][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2395.123325][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2395.123325][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.123325][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.123325][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.123325][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.123325][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.123325][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.123325][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.123325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.123325][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.123325][ T10] netlink_unicast+0x449/0x710 [ 2395.123325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.123325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.123325][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.123325][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.123325][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.123325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.123325][ T10] [ 2395.125287][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2395.125287][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.125287][ T10] ipv6_find_idev+0x102/0x170 [ 2395.125287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.125287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.125287][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.125287][ T10] netlink_unicast+0x449/0x710 [ 2395.125287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.125287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.125287][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.125287][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.125287][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.125287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.125287][ T10] [ 2395.126808][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2395.126808][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.126808][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.126808][ T10] ipv6_find_idev+0x102/0x170 [ 2395.126808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.126808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.126808][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.126808][ T10] netlink_unicast+0x449/0x710 [ 2395.126808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.126808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.126808][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.126808][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.126808][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.126808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.126808][ T10] [ 2395.128468][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2395.128727][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2395.128727][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.128727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.128727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.128727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.128727][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.128727][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.128727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.128727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.128727][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.128727][ T10] netlink_unicast+0x449/0x710 [ 2395.128727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.128727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.128727][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.128727][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.128727][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.128727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.128727][ T10] [ 2395.130679][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2395.130679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.130679][ T10] ipv6_find_idev+0x102/0x170 [ 2395.130679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.130679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.130679][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.130679][ T10] netlink_unicast+0x449/0x710 [ 2395.130679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.130679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.130679][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.130679][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.130679][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.130679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.130679][ T10] [ 2395.132194][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2395.132194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.132194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.132194][ T10] ipv6_find_idev+0x102/0x170 [ 2395.132194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.132194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.132194][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.132194][ T10] netlink_unicast+0x449/0x710 [ 2395.132194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.132194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.132194][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.132194][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.132194][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.132194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.132194][ T10] [ 2395.133854][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2395.134113][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2395.134113][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.134113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.134113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.134113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.134113][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.134113][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.134113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.134113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.134113][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.134113][ T10] netlink_unicast+0x449/0x710 [ 2395.134113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.134113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.134113][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.134113][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.134113][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.134113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.134113][ T10] [ 2395.136066][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2395.136066][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.136066][ T10] ipv6_find_idev+0x102/0x170 [ 2395.136066][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.136066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.136066][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.136066][ T10] netlink_unicast+0x449/0x710 [ 2395.136066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.136066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.136066][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.136066][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.136066][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.136066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.136066][ T10] [ 2395.137571][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2395.137571][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.137571][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.137571][ T10] ipv6_find_idev+0x102/0x170 [ 2395.137571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.137571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.137571][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.137571][ T10] netlink_unicast+0x449/0x710 [ 2395.137571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.137571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.137571][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.137571][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.137571][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.137571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.137571][ T10] [ 2395.139230][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2395.139492][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2395.139492][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.139492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.139492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.139492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.139492][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.139492][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.139492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.139492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.139492][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.139492][ T10] netlink_unicast+0x449/0x710 [ 2395.139492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.139492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.139492][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.139492][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.139492][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.139492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.139492][ T10] [ 2395.141446][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2395.141446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.141446][ T10] ipv6_find_idev+0x102/0x170 [ 2395.141446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.141446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.141446][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.141446][ T10] netlink_unicast+0x449/0x710 [ 2395.141446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.141446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.141446][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.141446][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.141446][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.141446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.141446][ T10] [ 2395.142979][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2395.142979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.142979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.142979][ T10] ipv6_find_idev+0x102/0x170 [ 2395.142979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.142979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.142979][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.142979][ T10] netlink_unicast+0x449/0x710 [ 2395.142979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.142979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.142979][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.142979][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.142979][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.142979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.142979][ T10] [ 2395.145057][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2395.145317][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2395.145317][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.145317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.145317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.145317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.145317][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.145317][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.145317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.145317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.145317][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.145317][ T10] netlink_unicast+0x449/0x710 [ 2395.145317][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.145317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.145317][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.145317][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.145317][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.145317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.145317][ T10] [ 2395.147393][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2395.147393][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.147393][ T10] ipv6_find_idev+0x102/0x170 [ 2395.147393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.147393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.147393][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.147393][ T10] netlink_unicast+0x449/0x710 [ 2395.147393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.147393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.147393][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.147393][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.147393][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.147393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.147393][ T10] [ 2395.148900][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2395.148900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.148900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.148900][ T10] ipv6_find_idev+0x102/0x170 [ 2395.148900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.148900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.148900][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.148900][ T10] netlink_unicast+0x449/0x710 [ 2395.148900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.148900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.148900][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.148900][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.148900][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.148900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.148900][ T10] [ 2395.150603][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2395.150861][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2395.150861][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.150861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.150861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.150861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.150861][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.150861][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.150861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.150861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.150861][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.150861][ T10] netlink_unicast+0x449/0x710 [ 2395.150861][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.150861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.150861][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.150861][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.150861][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.150861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.150861][ T10] [ 2395.152952][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2395.152952][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.152952][ T10] ipv6_find_idev+0x102/0x170 [ 2395.152952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.152952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.152952][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.152952][ T10] netlink_unicast+0x449/0x710 [ 2395.152952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.152952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.152952][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.152952][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.152952][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.152952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.152952][ T10] [ 2395.154636][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2395.154636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.154636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.154636][ T10] ipv6_find_idev+0x102/0x170 [ 2395.154636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.154636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.154636][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.154636][ T10] netlink_unicast+0x449/0x710 [ 2395.154636][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.154636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.154636][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.154636][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.154636][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.154636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.154636][ T10] [ 2395.156630][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2395.156945][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2395.156945][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.156945][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.156945][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.156945][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.156945][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.156945][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.156945][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.156945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.156945][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.156945][ T10] netlink_unicast+0x449/0x710 [ 2395.156945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.156945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.156945][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.156945][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.156945][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.156945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.156945][ T10] [ 2395.159078][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2395.159078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.159078][ T10] ipv6_find_idev+0x102/0x170 [ 2395.159078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.159078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.159078][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.159078][ T10] netlink_unicast+0x449/0x710 [ 2395.159078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.159078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.159078][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.159078][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.159078][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.159078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.159078][ T10] [ 2395.160696][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2395.160696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.160696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.160696][ T10] ipv6_find_idev+0x102/0x170 [ 2395.160696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.160696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.160696][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.160696][ T10] netlink_unicast+0x449/0x710 [ 2395.160696][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.160696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.160696][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.160696][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.160696][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.160696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.160696][ T10] [ 2395.162621][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2395.162960][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2395.162960][ T10] netdev_get_by_index+0x5e/0x80 [ 2395.162960][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2395.162960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2395.162960][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2395.162960][ T10] ipv6_add_addr+0x411/0x2000 [ 2395.162960][ T10] inet6_addr_add+0x30e/0xa40 [ 2395.162960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2395.162960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.162960][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.162960][ T10] netlink_unicast+0x449/0x710 [ 2395.162960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.162960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.162960][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.162960][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.162960][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.162960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.162960][ T10] [ 2395.165093][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2395.165093][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2395.165093][ T10] ipv6_find_idev+0x102/0x170 [ 2395.165093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.165093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.165093][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.165093][ T10] netlink_unicast+0x449/0x710 [ 2395.165093][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.165093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.165093][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.165093][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.165093][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.165093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.165093][ T10] [ 2395.166837][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2395.166837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2395.166837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2395.166837][ T10] ipv6_find_idev+0x102/0x170 [ 2395.166837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2395.166837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2395.166837][ T10] netlink_rcv_skb+0x130/0x360 [ 2395.166837][ T10] netlink_unicast+0x449/0x710 [ 2395.166837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2395.166837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2395.166837][ T10] ___sys_sendmsg+0xee/0x170 [ 2395.166837][ T10] __sys_sendmsg+0xcd/0x170 [ 2395.166837][ T10] do_syscall_64+0xc6/0x1e0 [ 2395.166837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2395.166837][ T10] [ 2405.378929][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2405.379398][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2405.379398][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.379398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.379398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.379398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.379398][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.379398][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.379398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.379398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.379398][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.379398][ T10] netlink_unicast+0x449/0x710 [ 2405.379398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.379398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.379398][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.379398][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.379398][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.379398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.379398][ T10] [ 2405.381399][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2405.381399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.381399][ T10] ipv6_find_idev+0x102/0x170 [ 2405.381399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.381399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.381399][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.381399][ T10] netlink_unicast+0x449/0x710 [ 2405.381399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.381399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.381399][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.381399][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.381399][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.381399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.381399][ T10] [ 2405.382941][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2405.382941][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.382941][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.382941][ T10] ipv6_find_idev+0x102/0x170 [ 2405.382941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.382941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.382941][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.382941][ T10] netlink_unicast+0x449/0x710 [ 2405.382941][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.382941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.382941][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.382941][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.382941][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.382941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.382941][ T10] [ 2405.384647][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2405.384931][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2405.384931][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.384931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.384931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.384931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.384931][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.384931][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.384931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.384931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.384931][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.384931][ T10] netlink_unicast+0x449/0x710 [ 2405.384931][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.384931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.384931][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.384931][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.384931][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.384931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.384931][ T10] [ 2405.386926][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2405.386926][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.386926][ T10] ipv6_find_idev+0x102/0x170 [ 2405.386926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.386926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.386926][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.386926][ T10] netlink_unicast+0x449/0x710 [ 2405.386926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.386926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.386926][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.386926][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.386926][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.386926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.386926][ T10] [ 2405.388455][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2405.388455][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.388455][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.388455][ T10] ipv6_find_idev+0x102/0x170 [ 2405.388455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.388455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.388455][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.388455][ T10] netlink_unicast+0x449/0x710 [ 2405.388455][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.388455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.388455][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.388455][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.388455][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.388455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.388455][ T10] [ 2405.390135][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2405.390398][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2405.390398][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.390398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.390398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.390398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.390398][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.390398][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.390398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.390398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.390398][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.390398][ T10] netlink_unicast+0x449/0x710 [ 2405.390398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.390398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.390398][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.390398][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.390398][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.390398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.390398][ T10] [ 2405.392390][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2405.392390][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.392390][ T10] ipv6_find_idev+0x102/0x170 [ 2405.392390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.392390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.392390][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.392390][ T10] netlink_unicast+0x449/0x710 [ 2405.392390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.392390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.392390][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.392390][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.392390][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.392390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.392390][ T10] [ 2405.393917][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2405.393917][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.393917][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.393917][ T10] ipv6_find_idev+0x102/0x170 [ 2405.393917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.393917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.393917][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.393917][ T10] netlink_unicast+0x449/0x710 [ 2405.393917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.393917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.393917][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.393917][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.393917][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.393917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.393917][ T10] [ 2405.395589][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2405.395857][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2405.395857][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.395857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.395857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.395857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.395857][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.395857][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.395857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.395857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.395857][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.395857][ T10] netlink_unicast+0x449/0x710 [ 2405.395857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.395857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.395857][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.395857][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.395857][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.395857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.395857][ T10] [ 2405.397853][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2405.397853][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.397853][ T10] ipv6_find_idev+0x102/0x170 [ 2405.397853][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.397853][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.397853][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.397853][ T10] netlink_unicast+0x449/0x710 [ 2405.397853][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.397853][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.397853][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.397853][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.397853][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.397853][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.397853][ T10] [ 2405.399377][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2405.399377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.399377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.399377][ T10] ipv6_find_idev+0x102/0x170 [ 2405.399377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.399377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.399377][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.399377][ T10] netlink_unicast+0x449/0x710 [ 2405.399377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.399377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.399377][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.399377][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.399377][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.399377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.399377][ T10] [ 2405.401453][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2405.401770][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2405.401770][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.401770][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.401770][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.401770][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.401770][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.401770][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.401770][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.401770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.401770][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.401770][ T10] netlink_unicast+0x449/0x710 [ 2405.401770][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.401770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.401770][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.401770][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.401770][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.401770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.401770][ T10] [ 2405.403749][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2405.403749][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.403749][ T10] ipv6_find_idev+0x102/0x170 [ 2405.403749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.403749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.403749][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.403749][ T10] netlink_unicast+0x449/0x710 [ 2405.403749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.403749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.403749][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.403749][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.403749][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.403749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.403749][ T10] [ 2405.405272][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2405.405272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.405272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.405272][ T10] ipv6_find_idev+0x102/0x170 [ 2405.405272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.405272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.405272][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.405272][ T10] netlink_unicast+0x449/0x710 [ 2405.405272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.405272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.405272][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.405272][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.405272][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.405272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.405272][ T10] [ 2405.406992][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2405.407298][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2405.407298][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.407298][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.407298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.407298][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.407298][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.407298][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.407298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.407298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.407298][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.407298][ T10] netlink_unicast+0x449/0x710 [ 2405.407298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.407298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.407298][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.407298][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.407298][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.407298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.407298][ T10] [ 2405.409335][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2405.409335][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.409335][ T10] ipv6_find_idev+0x102/0x170 [ 2405.409335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.409335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.409335][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.409335][ T10] netlink_unicast+0x449/0x710 [ 2405.409335][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.409335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.409335][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.409335][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.409335][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.409335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.409335][ T10] [ 2405.411040][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2405.411040][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.411040][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.411040][ T10] ipv6_find_idev+0x102/0x170 [ 2405.411040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.411040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.411040][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.411040][ T10] netlink_unicast+0x449/0x710 [ 2405.411040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.411040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.411040][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.411040][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.411040][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.411040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.411040][ T10] [ 2405.412937][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2405.413242][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2405.413242][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.413242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.413242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.413242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.413242][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.413242][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.413242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.413242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.413242][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.413242][ T10] netlink_unicast+0x449/0x710 [ 2405.413242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.413242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.413242][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.413242][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.413242][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.413242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.413242][ T10] [ 2405.415485][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2405.415485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.415485][ T10] ipv6_find_idev+0x102/0x170 [ 2405.415485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.415485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.415485][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.415485][ T10] netlink_unicast+0x449/0x710 [ 2405.415485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.415485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.415485][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.415485][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.415485][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.415485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.415485][ T10] [ 2405.417201][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2405.417201][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.417201][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.417201][ T10] ipv6_find_idev+0x102/0x170 [ 2405.417201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.417201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.417201][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.417201][ T10] netlink_unicast+0x449/0x710 [ 2405.417201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.417201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.417201][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.417201][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.417201][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.417201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.417201][ T10] [ 2405.419102][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2405.419412][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2405.419412][ T10] netdev_get_by_index+0x5e/0x80 [ 2405.419412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2405.419412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2405.419412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2405.419412][ T10] ipv6_add_addr+0x411/0x2000 [ 2405.419412][ T10] inet6_addr_add+0x30e/0xa40 [ 2405.419412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2405.419412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.419412][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.419412][ T10] netlink_unicast+0x449/0x710 [ 2405.419412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.419412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.419412][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.419412][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.419412][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.419412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.419412][ T10] [ 2405.421569][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2405.421569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2405.421569][ T10] ipv6_find_idev+0x102/0x170 [ 2405.421569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.421569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.421569][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.421569][ T10] netlink_unicast+0x449/0x710 [ 2405.421569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.421569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.421569][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.421569][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.421569][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.421569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.421569][ T10] [ 2405.423281][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2405.423281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2405.423281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2405.423281][ T10] ipv6_find_idev+0x102/0x170 [ 2405.423281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2405.423281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2405.423281][ T10] netlink_rcv_skb+0x130/0x360 [ 2405.423281][ T10] netlink_unicast+0x449/0x710 [ 2405.423281][ T10] netlink_sendmsg+0x723/0xbe0 [ 2405.423281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2405.423281][ T10] ___sys_sendmsg+0xee/0x170 [ 2405.423281][ T10] __sys_sendmsg+0xcd/0x170 [ 2405.423281][ T10] do_syscall_64+0xc6/0x1e0 [ 2405.423281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2405.423281][ T10] [ 2415.842969][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2415.843427][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2415.843427][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.843427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.843427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.843427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.843427][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.843427][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.843427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.843427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.843427][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.843427][ T10] netlink_unicast+0x449/0x710 [ 2415.843427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.843427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.843427][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.843427][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.843427][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.843427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.843427][ T10] [ 2415.845438][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2415.845438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.845438][ T10] ipv6_find_idev+0x102/0x170 [ 2415.845438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.845438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.845438][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.845438][ T10] netlink_unicast+0x449/0x710 [ 2415.845438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.845438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.845438][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.845438][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.845438][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.845438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.845438][ T10] [ 2415.846976][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2415.846976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.846976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.846976][ T10] ipv6_find_idev+0x102/0x170 [ 2415.846976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.846976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.846976][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.846976][ T10] netlink_unicast+0x449/0x710 [ 2415.846976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.846976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.846976][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.846976][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.846976][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.846976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.846976][ T10] [ 2415.848658][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2415.848944][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2415.848944][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.848944][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.848944][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.848944][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.848944][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.848944][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.848944][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.848944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.848944][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.848944][ T10] netlink_unicast+0x449/0x710 [ 2415.848944][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.848944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.848944][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.848944][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.848944][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.848944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.848944][ T10] [ 2415.850940][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2415.850940][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.850940][ T10] ipv6_find_idev+0x102/0x170 [ 2415.850940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.850940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.850940][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.850940][ T10] netlink_unicast+0x449/0x710 [ 2415.850940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.850940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.850940][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.850940][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.850940][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.850940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.850940][ T10] [ 2415.852480][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2415.852480][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.852480][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.852480][ T10] ipv6_find_idev+0x102/0x170 [ 2415.852480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.852480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.852480][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.852480][ T10] netlink_unicast+0x449/0x710 [ 2415.852480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.852480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.852480][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.852480][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.852480][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.852480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.852480][ T10] [ 2415.854173][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2415.854451][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2415.854451][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.854451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.854451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.854451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.854451][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.854451][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.854451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.854451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.854451][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.854451][ T10] netlink_unicast+0x449/0x710 [ 2415.854451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.854451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.854451][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.854451][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.854451][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.854451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.854451][ T10] [ 2415.856440][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2415.856440][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.856440][ T10] ipv6_find_idev+0x102/0x170 [ 2415.856440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.856440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.856440][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.856440][ T10] netlink_unicast+0x449/0x710 [ 2415.856440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.856440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.856440][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.856440][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.856440][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.856440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.856440][ T10] [ 2415.857975][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2415.857975][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.857975][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.857975][ T10] ipv6_find_idev+0x102/0x170 [ 2415.857975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.857975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.857975][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.857975][ T10] netlink_unicast+0x449/0x710 [ 2415.857975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.857975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.857975][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.857975][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.857975][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.857975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.857975][ T10] [ 2415.860182][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2415.860460][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2415.860460][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.860460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.860460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.860460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.860460][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.860460][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.860460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.860460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.860460][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.860460][ T10] netlink_unicast+0x449/0x710 [ 2415.860460][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.860460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.860460][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.860460][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.860460][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.860460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.860460][ T10] [ 2415.862446][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2415.862446][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.862446][ T10] ipv6_find_idev+0x102/0x170 [ 2415.862446][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.862446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.862446][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.862446][ T10] netlink_unicast+0x449/0x710 [ 2415.862446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.862446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.862446][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.862446][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.862446][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.862446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.862446][ T10] [ 2415.863969][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2415.863969][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.863969][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.863969][ T10] ipv6_find_idev+0x102/0x170 [ 2415.863969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.863969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.863969][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.863969][ T10] netlink_unicast+0x449/0x710 [ 2415.863969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.863969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.863969][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.863969][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.863969][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.863969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.863969][ T10] [ 2415.866063][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2415.866330][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2415.866330][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.866330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.866330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.866330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.866330][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.866330][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.866330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.866330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.866330][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.866330][ T10] netlink_unicast+0x449/0x710 [ 2415.866330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.866330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.866330][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.866330][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.866330][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.866330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.866330][ T10] [ 2415.868307][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2415.868307][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.868307][ T10] ipv6_find_idev+0x102/0x170 [ 2415.868307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.868307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.868307][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.868307][ T10] netlink_unicast+0x449/0x710 [ 2415.868307][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.868307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.868307][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.868307][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.868307][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.868307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.868307][ T10] [ 2415.869836][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2415.869836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.869836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.869836][ T10] ipv6_find_idev+0x102/0x170 [ 2415.869836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.869836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.869836][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.869836][ T10] netlink_unicast+0x449/0x710 [ 2415.869836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.869836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.869836][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.869836][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.869836][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.869836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.869836][ T10] [ 2415.871547][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2415.871980][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2415.871980][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.871980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.871980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.871980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.871980][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.871980][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.871980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.871980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.871980][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.871980][ T10] netlink_unicast+0x449/0x710 [ 2415.871980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.871980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.871980][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.871980][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.871980][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.871980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.871980][ T10] [ 2415.874082][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2415.874082][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.874082][ T10] ipv6_find_idev+0x102/0x170 [ 2415.874082][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.874082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.874082][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.874082][ T10] netlink_unicast+0x449/0x710 [ 2415.874082][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.874082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.874082][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.874082][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.874082][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.874082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.874082][ T10] [ 2415.876270][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2415.876270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.876270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.876270][ T10] ipv6_find_idev+0x102/0x170 [ 2415.876270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.876270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.876270][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.876270][ T10] netlink_unicast+0x449/0x710 [ 2415.876270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.876270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.876270][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.876270][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.876270][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.876270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.876270][ T10] [ 2415.878163][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2415.878431][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2415.878431][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.878431][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.878431][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.878431][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.878431][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.878431][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.878431][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.878431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.878431][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.878431][ T10] netlink_unicast+0x449/0x710 [ 2415.878431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.878431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.878431][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.878431][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.878431][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.878431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.878431][ T10] [ 2415.880586][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2415.880586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.880586][ T10] ipv6_find_idev+0x102/0x170 [ 2415.880586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.880586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.880586][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.880586][ T10] netlink_unicast+0x449/0x710 [ 2415.880586][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.880586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.880586][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.880586][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.880586][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.880586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.880586][ T10] [ 2415.882297][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2415.882297][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.882297][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.882297][ T10] ipv6_find_idev+0x102/0x170 [ 2415.882297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.882297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.882297][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.882297][ T10] netlink_unicast+0x449/0x710 [ 2415.882297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.882297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.882297][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.882297][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.882297][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.882297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.882297][ T10] [ 2415.884207][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2415.884471][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2415.884471][ T10] netdev_get_by_index+0x5e/0x80 [ 2415.884471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2415.884471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2415.884471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2415.884471][ T10] ipv6_add_addr+0x411/0x2000 [ 2415.884471][ T10] inet6_addr_add+0x30e/0xa40 [ 2415.884471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2415.884471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.884471][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.884471][ T10] netlink_unicast+0x449/0x710 [ 2415.884471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.884471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.884471][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.884471][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.884471][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.884471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.884471][ T10] [ 2415.886692][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2415.886692][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2415.886692][ T10] ipv6_find_idev+0x102/0x170 [ 2415.886692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.886692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.886692][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.886692][ T10] netlink_unicast+0x449/0x710 [ 2415.886692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.886692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.886692][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.886692][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.886692][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.886692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.886692][ T10] [ 2415.888398][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2415.888398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2415.888398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2415.888398][ T10] ipv6_find_idev+0x102/0x170 [ 2415.888398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2415.888398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2415.888398][ T10] netlink_rcv_skb+0x130/0x360 [ 2415.888398][ T10] netlink_unicast+0x449/0x710 [ 2415.888398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2415.888398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2415.888398][ T10] ___sys_sendmsg+0xee/0x170 [ 2415.888398][ T10] __sys_sendmsg+0xcd/0x170 [ 2415.888398][ T10] do_syscall_64+0xc6/0x1e0 [ 2415.888398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2415.888398][ T10] [ 2425.890926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2425.891503][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2425.891503][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.891503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.891503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.891503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.891503][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.891503][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.891503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.891503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.891503][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.891503][ T10] netlink_unicast+0x449/0x710 [ 2425.891503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.891503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.891503][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.891503][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.891503][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.891503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.891503][ T10] [ 2425.894619][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2425.894619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.894619][ T10] ipv6_find_idev+0x102/0x170 [ 2425.894619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.894619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.894619][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.894619][ T10] netlink_unicast+0x449/0x710 [ 2425.894619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.894619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.894619][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.894619][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.894619][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.894619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.894619][ T10] [ 2425.897091][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2425.897091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.897091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.897091][ T10] ipv6_find_idev+0x102/0x170 [ 2425.897091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.897091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.897091][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.897091][ T10] netlink_unicast+0x449/0x710 [ 2425.897091][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.897091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.897091][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.897091][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.897091][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.897091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.897091][ T10] [ 2425.899625][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2425.900049][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2425.900049][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.900049][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.900049][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.900049][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.900049][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.900049][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.900049][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.900049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.900049][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.900049][ T10] netlink_unicast+0x449/0x710 [ 2425.900049][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.900049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.900049][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.900049][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.900049][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.900049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.900049][ T10] [ 2425.902985][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2425.902985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.902985][ T10] ipv6_find_idev+0x102/0x170 [ 2425.902985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.902985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.902985][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.902985][ T10] netlink_unicast+0x449/0x710 [ 2425.902985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.902985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.902985][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.902985][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.902985][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.902985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.902985][ T10] [ 2425.905399][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2425.905399][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.905399][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.905399][ T10] ipv6_find_idev+0x102/0x170 [ 2425.905399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.905399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.905399][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.905399][ T10] netlink_unicast+0x449/0x710 [ 2425.905399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.905399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.905399][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.905399][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.905399][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.905399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.905399][ T10] [ 2425.907368][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2425.907697][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2425.907697][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.907697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.907697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.907697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.907697][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.907697][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.907697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.907697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.907697][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.907697][ T10] netlink_unicast+0x449/0x710 [ 2425.907697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.907697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.907697][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.907697][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.907697][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.907697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.907697][ T10] [ 2425.910118][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2425.910118][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.910118][ T10] ipv6_find_idev+0x102/0x170 [ 2425.910118][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.910118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.910118][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.910118][ T10] netlink_unicast+0x449/0x710 [ 2425.910118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.910118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.910118][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.910118][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.910118][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.910118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.910118][ T10] [ 2425.911743][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2425.911743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.911743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.911743][ T10] ipv6_find_idev+0x102/0x170 [ 2425.911743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.911743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.911743][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.911743][ T10] netlink_unicast+0x449/0x710 [ 2425.911743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.911743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.911743][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.911743][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.911743][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.911743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.911743][ T10] [ 2425.913489][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2425.913775][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2425.913775][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.913775][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.913775][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.913775][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.913775][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.913775][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.913775][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.913775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.913775][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.913775][ T10] netlink_unicast+0x449/0x710 [ 2425.913775][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.913775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.913775][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.913775][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.913775][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.913775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.913775][ T10] [ 2425.915872][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2425.915872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.915872][ T10] ipv6_find_idev+0x102/0x170 [ 2425.915872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.915872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.915872][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.915872][ T10] netlink_unicast+0x449/0x710 [ 2425.915872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.915872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.915872][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.915872][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.915872][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.915872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.915872][ T10] [ 2425.917475][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2425.917475][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.917475][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.917475][ T10] ipv6_find_idev+0x102/0x170 [ 2425.917475][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.917475][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.917475][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.917475][ T10] netlink_unicast+0x449/0x710 [ 2425.917475][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.917475][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.917475][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.917475][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.917475][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.917475][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.917475][ T10] [ 2425.919742][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2425.920391][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2425.920391][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.920391][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.920391][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.920391][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.920391][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.920391][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.920391][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.920391][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.920391][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.920391][ T10] netlink_unicast+0x449/0x710 [ 2425.920391][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.920391][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.920391][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.920391][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.920391][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.920391][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.920391][ T10] [ 2425.922534][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2425.922534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.922534][ T10] ipv6_find_idev+0x102/0x170 [ 2425.922534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.922534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.922534][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.922534][ T10] netlink_unicast+0x449/0x710 [ 2425.922534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.922534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.922534][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.922534][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.922534][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.922534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.922534][ T10] [ 2425.924173][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2425.924173][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.924173][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.924173][ T10] ipv6_find_idev+0x102/0x170 [ 2425.924173][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.924173][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.924173][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.924173][ T10] netlink_unicast+0x449/0x710 [ 2425.924173][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.924173][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.924173][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.924173][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.924173][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.924173][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.924173][ T10] [ 2425.925969][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2425.926250][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2425.926250][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.926250][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.926250][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.926250][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.926250][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.926250][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.926250][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.926250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.926250][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.926250][ T10] netlink_unicast+0x449/0x710 [ 2425.926250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.926250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.926250][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.926250][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.926250][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.926250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.926250][ T10] [ 2425.928373][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2425.928373][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.928373][ T10] ipv6_find_idev+0x102/0x170 [ 2425.928373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.928373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.928373][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.928373][ T10] netlink_unicast+0x449/0x710 [ 2425.928373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.928373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.928373][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.928373][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.928373][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.928373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.928373][ T10] [ 2425.930078][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2425.930078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.930078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.930078][ T10] ipv6_find_idev+0x102/0x170 [ 2425.930078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.930078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.930078][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.930078][ T10] netlink_unicast+0x449/0x710 [ 2425.930078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.930078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.930078][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.930078][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.930078][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.930078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.930078][ T10] [ 2425.932043][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2425.932356][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2425.932356][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.932356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.932356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.932356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.932356][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.932356][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.932356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.932356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.932356][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.932356][ T10] netlink_unicast+0x449/0x710 [ 2425.932356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.932356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.932356][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.932356][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.932356][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.932356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.932356][ T10] [ 2425.934430][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2425.934430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.934430][ T10] ipv6_find_idev+0x102/0x170 [ 2425.934430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.934430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.934430][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.934430][ T10] netlink_unicast+0x449/0x710 [ 2425.934430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.934430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.934430][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.934430][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.934430][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.934430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.934430][ T10] [ 2425.936166][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2425.936166][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.936166][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.936166][ T10] ipv6_find_idev+0x102/0x170 [ 2425.936166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.936166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.936166][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.936166][ T10] netlink_unicast+0x449/0x710 [ 2425.936166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.936166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.936166][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.936166][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.936166][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.936166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.936166][ T10] [ 2425.938086][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2425.938430][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2425.938430][ T10] netdev_get_by_index+0x5e/0x80 [ 2425.938430][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2425.938430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2425.938430][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2425.938430][ T10] ipv6_add_addr+0x411/0x2000 [ 2425.938430][ T10] inet6_addr_add+0x30e/0xa40 [ 2425.938430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2425.938430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.938430][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.938430][ T10] netlink_unicast+0x449/0x710 [ 2425.938430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.938430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.938430][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.938430][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.938430][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.938430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.938430][ T10] [ 2425.940575][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2425.940575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2425.940575][ T10] ipv6_find_idev+0x102/0x170 [ 2425.940575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.940575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.940575][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.940575][ T10] netlink_unicast+0x449/0x710 [ 2425.940575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.940575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.940575][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.940575][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.940575][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.940575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.940575][ T10] [ 2425.942278][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2425.942278][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2425.942278][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2425.942278][ T10] ipv6_find_idev+0x102/0x170 [ 2425.942278][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2425.942278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2425.942278][ T10] netlink_rcv_skb+0x130/0x360 [ 2425.942278][ T10] netlink_unicast+0x449/0x710 [ 2425.942278][ T10] netlink_sendmsg+0x723/0xbe0 [ 2425.942278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2425.942278][ T10] ___sys_sendmsg+0xee/0x170 [ 2425.942278][ T10] __sys_sendmsg+0xcd/0x170 [ 2425.942278][ T10] do_syscall_64+0xc6/0x1e0 [ 2425.942278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2425.942278][ T10] [ 2436.099123][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2436.099581][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2436.099581][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.099581][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.099581][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.099581][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.099581][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.099581][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.099581][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.099581][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.099581][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.099581][ T10] netlink_unicast+0x449/0x710 [ 2436.099581][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.099581][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.099581][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.099581][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.099581][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.099581][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.099581][ T10] [ 2436.101560][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2436.101560][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.101560][ T10] ipv6_find_idev+0x102/0x170 [ 2436.101560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.101560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.101560][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.101560][ T10] netlink_unicast+0x449/0x710 [ 2436.101560][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.101560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.101560][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.101560][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.101560][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.101560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.101560][ T10] [ 2436.103074][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2436.103074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.103074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.103074][ T10] ipv6_find_idev+0x102/0x170 [ 2436.103074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.103074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.103074][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.103074][ T10] netlink_unicast+0x449/0x710 [ 2436.103074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.103074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.103074][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.103074][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.103074][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.103074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.103074][ T10] [ 2436.104749][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2436.105028][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2436.105028][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.105028][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.105028][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.105028][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.105028][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.105028][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.105028][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.105028][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.105028][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.105028][ T10] netlink_unicast+0x449/0x710 [ 2436.105028][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.105028][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.105028][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.105028][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.105028][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.105028][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.105028][ T10] [ 2436.106984][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2436.106984][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.106984][ T10] ipv6_find_idev+0x102/0x170 [ 2436.106984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.106984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.106984][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.106984][ T10] netlink_unicast+0x449/0x710 [ 2436.106984][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.106984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.106984][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.106984][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.106984][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.106984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.106984][ T10] [ 2436.108492][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2436.108492][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.108492][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.108492][ T10] ipv6_find_idev+0x102/0x170 [ 2436.108492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.108492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.108492][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.108492][ T10] netlink_unicast+0x449/0x710 [ 2436.108492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.108492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.108492][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.108492][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.108492][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.108492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.108492][ T10] [ 2436.110537][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2436.110800][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2436.110800][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.110800][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.110800][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.110800][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.110800][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.110800][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.110800][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.110800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.110800][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.110800][ T10] netlink_unicast+0x449/0x710 [ 2436.110800][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.110800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.110800][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.110800][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.110800][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.110800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.110800][ T10] [ 2436.112769][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2436.112769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.112769][ T10] ipv6_find_idev+0x102/0x170 [ 2436.112769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.112769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.112769][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.112769][ T10] netlink_unicast+0x449/0x710 [ 2436.112769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.112769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.112769][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.112769][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.112769][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.112769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.112769][ T10] [ 2436.114272][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2436.114272][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.114272][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.114272][ T10] ipv6_find_idev+0x102/0x170 [ 2436.114272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.114272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.114272][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.114272][ T10] netlink_unicast+0x449/0x710 [ 2436.114272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.114272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.114272][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.114272][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.114272][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.114272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.114272][ T10] [ 2436.115949][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2436.116206][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2436.116206][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.116206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.116206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.116206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.116206][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.116206][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.116206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.116206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.116206][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.116206][ T10] netlink_unicast+0x449/0x710 [ 2436.116206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.116206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.116206][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.116206][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.116206][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.116206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.116206][ T10] [ 2436.118167][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2436.118167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.118167][ T10] ipv6_find_idev+0x102/0x170 [ 2436.118167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.118167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.118167][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.118167][ T10] netlink_unicast+0x449/0x710 [ 2436.118167][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.118167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.118167][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.118167][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.118167][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.118167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.118167][ T10] [ 2436.119676][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2436.119676][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.119676][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.119676][ T10] ipv6_find_idev+0x102/0x170 [ 2436.119676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.119676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.119676][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.119676][ T10] netlink_unicast+0x449/0x710 [ 2436.119676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.119676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.119676][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.119676][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.119676][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.119676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.119676][ T10] [ 2436.121371][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2436.121634][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2436.121634][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.121634][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.121634][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.121634][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.121634][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.121634][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.121634][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.121634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.121634][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.121634][ T10] netlink_unicast+0x449/0x710 [ 2436.121634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.121634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.121634][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.121634][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.121634][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.121634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.121634][ T10] [ 2436.123588][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2436.123588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.123588][ T10] ipv6_find_idev+0x102/0x170 [ 2436.123588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.123588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.123588][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.123588][ T10] netlink_unicast+0x449/0x710 [ 2436.123588][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.123588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.123588][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.123588][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.123588][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.123588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.123588][ T10] [ 2436.125163][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2436.125163][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.125163][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.125163][ T10] ipv6_find_idev+0x102/0x170 [ 2436.125163][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.125163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.125163][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.125163][ T10] netlink_unicast+0x449/0x710 [ 2436.125163][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.125163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.125163][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.125163][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.125163][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.125163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.125163][ T10] [ 2436.127027][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2436.127338][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2436.127338][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.127338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.127338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.127338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.127338][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.127338][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.127338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.127338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.127338][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.127338][ T10] netlink_unicast+0x449/0x710 [ 2436.127338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.127338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.127338][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.127338][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.127338][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.127338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.127338][ T10] [ 2436.129470][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2436.129470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.129470][ T10] ipv6_find_idev+0x102/0x170 [ 2436.129470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.129470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.129470][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.129470][ T10] netlink_unicast+0x449/0x710 [ 2436.129470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.129470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.129470][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.129470][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.129470][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.129470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.129470][ T10] [ 2436.131219][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2436.131219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.131219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.131219][ T10] ipv6_find_idev+0x102/0x170 [ 2436.131219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.131219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.131219][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.131219][ T10] netlink_unicast+0x449/0x710 [ 2436.131219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.131219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.131219][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.131219][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.131219][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.131219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.131219][ T10] [ 2436.133094][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2436.133350][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2436.133350][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.133350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.133350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.133350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.133350][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.133350][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.133350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.133350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.133350][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.133350][ T10] netlink_unicast+0x449/0x710 [ 2436.133350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.133350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.133350][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.133350][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.133350][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.133350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.133350][ T10] [ 2436.135545][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2436.135545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.135545][ T10] ipv6_find_idev+0x102/0x170 [ 2436.135545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.135545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.135545][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.135545][ T10] netlink_unicast+0x449/0x710 [ 2436.135545][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.135545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.135545][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.135545][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.135545][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.135545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.135545][ T10] [ 2436.137229][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2436.137229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.137229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.137229][ T10] ipv6_find_idev+0x102/0x170 [ 2436.137229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.137229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.137229][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.137229][ T10] netlink_unicast+0x449/0x710 [ 2436.137229][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.137229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.137229][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.137229][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.137229][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.137229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.137229][ T10] [ 2436.139099][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2436.139353][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2436.139353][ T10] netdev_get_by_index+0x5e/0x80 [ 2436.139353][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2436.139353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2436.139353][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2436.139353][ T10] ipv6_add_addr+0x411/0x2000 [ 2436.139353][ T10] inet6_addr_add+0x30e/0xa40 [ 2436.139353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2436.139353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.139353][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.139353][ T10] netlink_unicast+0x449/0x710 [ 2436.139353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.139353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.139353][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.139353][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.139353][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.139353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.139353][ T10] [ 2436.141618][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2436.141618][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2436.141618][ T10] ipv6_find_idev+0x102/0x170 [ 2436.141618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.141618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.141618][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.141618][ T10] netlink_unicast+0x449/0x710 [ 2436.141618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.141618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.141618][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.141618][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.141618][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.141618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.141618][ T10] [ 2436.143301][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2436.143301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2436.143301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2436.143301][ T10] ipv6_find_idev+0x102/0x170 [ 2436.143301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2436.143301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2436.143301][ T10] netlink_rcv_skb+0x130/0x360 [ 2436.143301][ T10] netlink_unicast+0x449/0x710 [ 2436.143301][ T10] netlink_sendmsg+0x723/0xbe0 [ 2436.143301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2436.143301][ T10] ___sys_sendmsg+0xee/0x170 [ 2436.143301][ T10] __sys_sendmsg+0xcd/0x170 [ 2436.143301][ T10] do_syscall_64+0xc6/0x1e0 [ 2436.143301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2436.143301][ T10] [ 2446.354890][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2446.355338][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2446.355338][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.355338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.355338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.355338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.355338][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.355338][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.355338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.355338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.355338][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.355338][ T10] netlink_unicast+0x449/0x710 [ 2446.355338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.355338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.355338][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.355338][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.355338][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.355338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.355338][ T10] [ 2446.357304][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2446.357304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.357304][ T10] ipv6_find_idev+0x102/0x170 [ 2446.357304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.357304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.357304][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.357304][ T10] netlink_unicast+0x449/0x710 [ 2446.357304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.357304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.357304][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.357304][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.357304][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.357304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.357304][ T10] [ 2446.358836][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2446.358836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.358836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.358836][ T10] ipv6_find_idev+0x102/0x170 [ 2446.358836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.358836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.358836][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.358836][ T10] netlink_unicast+0x449/0x710 [ 2446.358836][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.358836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.358836][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.358836][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.358836][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.358836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.358836][ T10] [ 2446.360491][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2446.360753][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2446.360753][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.360753][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.360753][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.360753][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.360753][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.360753][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.360753][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.360753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.360753][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.360753][ T10] netlink_unicast+0x449/0x710 [ 2446.360753][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.360753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.360753][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.360753][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.360753][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.360753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.360753][ T10] [ 2446.362712][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2446.362712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.362712][ T10] ipv6_find_idev+0x102/0x170 [ 2446.362712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.362712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.362712][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.362712][ T10] netlink_unicast+0x449/0x710 [ 2446.362712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.362712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.362712][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.362712][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.362712][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.362712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.362712][ T10] [ 2446.364216][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2446.364216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.364216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.364216][ T10] ipv6_find_idev+0x102/0x170 [ 2446.364216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.364216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.364216][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.364216][ T10] netlink_unicast+0x449/0x710 [ 2446.364216][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.364216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.364216][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.364216][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.364216][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.364216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.364216][ T10] [ 2446.365873][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2446.366135][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2446.366135][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.366135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.366135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.366135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.366135][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.366135][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.366135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.366135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.366135][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.366135][ T10] netlink_unicast+0x449/0x710 [ 2446.366135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.366135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.366135][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.366135][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.366135][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.366135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.366135][ T10] [ 2446.368149][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2446.368149][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.368149][ T10] ipv6_find_idev+0x102/0x170 [ 2446.368149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.368149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.368149][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.368149][ T10] netlink_unicast+0x449/0x710 [ 2446.368149][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.368149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.368149][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.368149][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.368149][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.368149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.368149][ T10] [ 2446.369669][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2446.369669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.369669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.369669][ T10] ipv6_find_idev+0x102/0x170 [ 2446.369669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.369669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.369669][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.369669][ T10] netlink_unicast+0x449/0x710 [ 2446.369669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.369669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.369669][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.369669][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.369669][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.369669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.369669][ T10] [ 2446.371346][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2446.371612][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2446.371612][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.371612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.371612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.371612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.371612][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.371612][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.371612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.371612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.371612][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.371612][ T10] netlink_unicast+0x449/0x710 [ 2446.371612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.371612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.371612][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.371612][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.371612][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.371612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.371612][ T10] [ 2446.373580][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2446.373580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.373580][ T10] ipv6_find_idev+0x102/0x170 [ 2446.373580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.373580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.373580][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.373580][ T10] netlink_unicast+0x449/0x710 [ 2446.373580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.373580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.373580][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.373580][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.373580][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.373580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.373580][ T10] [ 2446.375098][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2446.375098][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.375098][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.375098][ T10] ipv6_find_idev+0x102/0x170 [ 2446.375098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.375098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.375098][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.375098][ T10] netlink_unicast+0x449/0x710 [ 2446.375098][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.375098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.375098][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.375098][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.375098][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.375098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.375098][ T10] [ 2446.377162][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2446.377423][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2446.377423][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.377423][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.377423][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.377423][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.377423][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.377423][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.377423][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.377423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.377423][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.377423][ T10] netlink_unicast+0x449/0x710 [ 2446.377423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.377423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.377423][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.377423][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.377423][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.377423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.377423][ T10] [ 2446.379381][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2446.379381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.379381][ T10] ipv6_find_idev+0x102/0x170 [ 2446.379381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.379381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.379381][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.379381][ T10] netlink_unicast+0x449/0x710 [ 2446.379381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.379381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.379381][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.379381][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.379381][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.379381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.379381][ T10] [ 2446.380897][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2446.380897][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.380897][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.380897][ T10] ipv6_find_idev+0x102/0x170 [ 2446.380897][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.380897][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.380897][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.380897][ T10] netlink_unicast+0x449/0x710 [ 2446.380897][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.380897][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.380897][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.380897][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.380897][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.380897][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.380897][ T10] [ 2446.382598][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2446.382860][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2446.382860][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.382860][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.382860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.382860][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.382860][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.382860][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.382860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.382860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.382860][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.382860][ T10] netlink_unicast+0x449/0x710 [ 2446.382860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.382860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.382860][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.382860][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.382860][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.382860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.382860][ T10] [ 2446.384954][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2446.384954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.384954][ T10] ipv6_find_idev+0x102/0x170 [ 2446.384954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.384954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.384954][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.384954][ T10] netlink_unicast+0x449/0x710 [ 2446.384954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.384954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.384954][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.384954][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.384954][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.384954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.384954][ T10] [ 2446.386646][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2446.386646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.386646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.386646][ T10] ipv6_find_idev+0x102/0x170 [ 2446.386646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.386646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.386646][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.386646][ T10] netlink_unicast+0x449/0x710 [ 2446.386646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.386646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.386646][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.386646][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.386646][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.386646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.386646][ T10] [ 2446.388643][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2446.388953][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2446.388953][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.388953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.388953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.388953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.388953][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.388953][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.388953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.388953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.388953][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.388953][ T10] netlink_unicast+0x449/0x710 [ 2446.388953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.388953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.388953][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.388953][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.388953][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.388953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.388953][ T10] [ 2446.391102][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2446.391102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.391102][ T10] ipv6_find_idev+0x102/0x170 [ 2446.391102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.391102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.391102][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.391102][ T10] netlink_unicast+0x449/0x710 [ 2446.391102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.391102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.391102][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.391102][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.391102][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.391102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.391102][ T10] [ 2446.392747][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2446.392747][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.392747][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.392747][ T10] ipv6_find_idev+0x102/0x170 [ 2446.392747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.392747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.392747][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.392747][ T10] netlink_unicast+0x449/0x710 [ 2446.392747][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.392747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.392747][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.392747][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.392747][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.392747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.392747][ T10] [ 2446.394681][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2446.395001][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2446.395001][ T10] netdev_get_by_index+0x5e/0x80 [ 2446.395001][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2446.395001][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2446.395001][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2446.395001][ T10] ipv6_add_addr+0x411/0x2000 [ 2446.395001][ T10] inet6_addr_add+0x30e/0xa40 [ 2446.395001][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2446.395001][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.395001][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.395001][ T10] netlink_unicast+0x449/0x710 [ 2446.395001][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.395001][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.395001][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.395001][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.395001][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.395001][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.395001][ T10] [ 2446.397166][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2446.397166][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2446.397166][ T10] ipv6_find_idev+0x102/0x170 [ 2446.397166][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.397166][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.397166][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.397166][ T10] netlink_unicast+0x449/0x710 [ 2446.397166][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.397166][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.397166][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.397166][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.397166][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.397166][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.397166][ T10] [ 2446.398925][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2446.398925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2446.398925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2446.398925][ T10] ipv6_find_idev+0x102/0x170 [ 2446.398925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2446.398925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2446.398925][ T10] netlink_rcv_skb+0x130/0x360 [ 2446.398925][ T10] netlink_unicast+0x449/0x710 [ 2446.398925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2446.398925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2446.398925][ T10] ___sys_sendmsg+0xee/0x170 [ 2446.398925][ T10] __sys_sendmsg+0xcd/0x170 [ 2446.398925][ T10] do_syscall_64+0xc6/0x1e0 [ 2446.398925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2446.398925][ T10] [ 2456.650937][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2456.651492][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2456.651492][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.651492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.651492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.651492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.651492][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.651492][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.651492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.651492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.651492][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.651492][ T10] netlink_unicast+0x449/0x710 [ 2456.651492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.651492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.651492][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.651492][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.651492][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.651492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.651492][ T10] [ 2456.654664][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2456.654664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.654664][ T10] ipv6_find_idev+0x102/0x170 [ 2456.654664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.654664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.654664][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.654664][ T10] netlink_unicast+0x449/0x710 [ 2456.654664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.654664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.654664][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.654664][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.654664][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.654664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.654664][ T10] [ 2456.657059][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2456.657059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.657059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.657059][ T10] ipv6_find_idev+0x102/0x170 [ 2456.657059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.657059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.657059][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.657059][ T10] netlink_unicast+0x449/0x710 [ 2456.657059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.657059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.657059][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.657059][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.657059][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.657059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.657059][ T10] [ 2456.659684][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2456.660115][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2456.660115][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.660115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.660115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.660115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.660115][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.660115][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.660115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.660115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.660115][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.660115][ T10] netlink_unicast+0x449/0x710 [ 2456.660115][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.660115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.660115][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.660115][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.660115][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.660115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.660115][ T10] [ 2456.663226][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2456.663226][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.663226][ T10] ipv6_find_idev+0x102/0x170 [ 2456.663226][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.663226][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.663226][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.663226][ T10] netlink_unicast+0x449/0x710 [ 2456.663226][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.663226][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.663226][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.663226][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.663226][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.663226][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.663226][ T10] [ 2456.665623][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2456.665623][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.665623][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.665623][ T10] ipv6_find_idev+0x102/0x170 [ 2456.665623][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.665623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.665623][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.665623][ T10] netlink_unicast+0x449/0x710 [ 2456.665623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.665623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.665623][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.665623][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.665623][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.665623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.665623][ T10] [ 2456.668222][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2456.668635][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2456.668635][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.668635][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.668635][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.668635][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.668635][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.668635][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.668635][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.668635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.668635][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.668635][ T10] netlink_unicast+0x449/0x710 [ 2456.668635][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.668635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.668635][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.668635][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.668635][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.668635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.668635][ T10] [ 2456.671746][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2456.671746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.671746][ T10] ipv6_find_idev+0x102/0x170 [ 2456.671746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.671746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.671746][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.671746][ T10] netlink_unicast+0x449/0x710 [ 2456.671746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.671746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.671746][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.671746][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.671746][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.671746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.671746][ T10] [ 2456.674141][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2456.674141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.674141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.674141][ T10] ipv6_find_idev+0x102/0x170 [ 2456.674141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.674141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.674141][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.674141][ T10] netlink_unicast+0x449/0x710 [ 2456.674141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.674141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.674141][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.674141][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.674141][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.674141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.674141][ T10] [ 2456.676761][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2456.677986][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2456.677986][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.677986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.677986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.677986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.677986][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.677986][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.677986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.677986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.677986][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.677986][ T10] netlink_unicast+0x449/0x710 [ 2456.677986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.677986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.677986][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.677986][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.677986][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.677986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.677986][ T10] [ 2456.681100][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2456.681100][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.681100][ T10] ipv6_find_idev+0x102/0x170 [ 2456.681100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.681100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.681100][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.681100][ T10] netlink_unicast+0x449/0x710 [ 2456.681100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.681100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.681100][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.681100][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.681100][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.681100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.681100][ T10] [ 2456.683505][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2456.683505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.683505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.683505][ T10] ipv6_find_idev+0x102/0x170 [ 2456.683505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.683505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.683505][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.683505][ T10] netlink_unicast+0x449/0x710 [ 2456.683505][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.683505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.683505][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.683505][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.683505][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.683505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.683505][ T10] [ 2456.686192][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2456.686599][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2456.686599][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.686599][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.686599][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.686599][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.686599][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.686599][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.686599][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.686599][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.686599][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.686599][ T10] netlink_unicast+0x449/0x710 [ 2456.686599][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.686599][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.686599][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.686599][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.686599][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.686599][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.686599][ T10] [ 2456.689705][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2456.689705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.689705][ T10] ipv6_find_idev+0x102/0x170 [ 2456.689705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.689705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.689705][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.689705][ T10] netlink_unicast+0x449/0x710 [ 2456.689705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.689705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.689705][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.689705][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.689705][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.689705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.689705][ T10] [ 2456.692109][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2456.692109][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.692109][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.692109][ T10] ipv6_find_idev+0x102/0x170 [ 2456.692109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.692109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.692109][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.692109][ T10] netlink_unicast+0x449/0x710 [ 2456.692109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.692109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.692109][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.692109][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.692109][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.692109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.692109][ T10] [ 2456.694788][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2456.695289][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2456.695289][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.695289][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.695289][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.695289][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.695289][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.695289][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.695289][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.695289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.695289][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.695289][ T10] netlink_unicast+0x449/0x710 [ 2456.695289][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.695289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.695289][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.695289][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.695289][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.695289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.695289][ T10] [ 2456.698515][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2456.698515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.698515][ T10] ipv6_find_idev+0x102/0x170 [ 2456.698515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.698515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.698515][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.698515][ T10] netlink_unicast+0x449/0x710 [ 2456.698515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.698515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.698515][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.698515][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.698515][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.698515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.698515][ T10] [ 2456.701009][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2456.701009][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.701009][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.701009][ T10] ipv6_find_idev+0x102/0x170 [ 2456.701009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.701009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.701009][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.701009][ T10] netlink_unicast+0x449/0x710 [ 2456.701009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.701009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.701009][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.701009][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.701009][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.701009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.701009][ T10] [ 2456.704908][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2456.705323][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2456.705323][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.705323][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.705323][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.705323][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.705323][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.705323][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.705323][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.705323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.705323][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.705323][ T10] netlink_unicast+0x449/0x710 [ 2456.705323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.705323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.705323][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.705323][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.705323][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.705323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.705323][ T10] [ 2456.708662][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2456.708662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.708662][ T10] ipv6_find_idev+0x102/0x170 [ 2456.708662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.708662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.708662][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.708662][ T10] netlink_unicast+0x449/0x710 [ 2456.708662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.708662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.708662][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.708662][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.708662][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.708662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.708662][ T10] [ 2456.711165][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2456.711165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.711165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.711165][ T10] ipv6_find_idev+0x102/0x170 [ 2456.711165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.711165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.711165][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.711165][ T10] netlink_unicast+0x449/0x710 [ 2456.711165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.711165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.711165][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.711165][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.711165][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.711165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.711165][ T10] [ 2456.713960][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2456.714366][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2456.714366][ T10] netdev_get_by_index+0x5e/0x80 [ 2456.714366][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2456.714366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2456.714366][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2456.714366][ T10] ipv6_add_addr+0x411/0x2000 [ 2456.714366][ T10] inet6_addr_add+0x30e/0xa40 [ 2456.714366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2456.714366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.714366][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.714366][ T10] netlink_unicast+0x449/0x710 [ 2456.714366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.714366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.714366][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.714366][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.714366][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.714366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.714366][ T10] [ 2456.717689][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2456.717689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2456.717689][ T10] ipv6_find_idev+0x102/0x170 [ 2456.717689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.717689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.717689][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.717689][ T10] netlink_unicast+0x449/0x710 [ 2456.717689][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.717689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.717689][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.717689][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.717689][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.717689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.717689][ T10] [ 2456.720701][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2456.720701][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2456.720701][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2456.720701][ T10] ipv6_find_idev+0x102/0x170 [ 2456.720701][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2456.720701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2456.720701][ T10] netlink_rcv_skb+0x130/0x360 [ 2456.720701][ T10] netlink_unicast+0x449/0x710 [ 2456.720701][ T10] netlink_sendmsg+0x723/0xbe0 [ 2456.720701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2456.720701][ T10] ___sys_sendmsg+0xee/0x170 [ 2456.720701][ T10] __sys_sendmsg+0xcd/0x170 [ 2456.720701][ T10] do_syscall_64+0xc6/0x1e0 [ 2456.720701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2456.720701][ T10] [ 2466.914897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2466.915347][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2466.915347][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.915347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.915347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.915347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.915347][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.915347][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.915347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.915347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.915347][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.915347][ T10] netlink_unicast+0x449/0x710 [ 2466.915347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.915347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.915347][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.915347][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.915347][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.915347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.915347][ T10] [ 2466.917334][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2466.917334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.917334][ T10] ipv6_find_idev+0x102/0x170 [ 2466.917334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.917334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.917334][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.917334][ T10] netlink_unicast+0x449/0x710 [ 2466.917334][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.917334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.917334][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.917334][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.917334][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.917334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.917334][ T10] [ 2466.918867][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2466.918867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.918867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.918867][ T10] ipv6_find_idev+0x102/0x170 [ 2466.918867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.918867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.918867][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.918867][ T10] netlink_unicast+0x449/0x710 [ 2466.918867][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.918867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.918867][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.918867][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.918867][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.918867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.918867][ T10] [ 2466.920686][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2466.921023][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2466.921023][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.921023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.921023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.921023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.921023][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.921023][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.921023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.921023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.921023][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.921023][ T10] netlink_unicast+0x449/0x710 [ 2466.921023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.921023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.921023][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.921023][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.921023][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.921023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.921023][ T10] [ 2466.923010][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2466.923010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.923010][ T10] ipv6_find_idev+0x102/0x170 [ 2466.923010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.923010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.923010][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.923010][ T10] netlink_unicast+0x449/0x710 [ 2466.923010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.923010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.923010][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.923010][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.923010][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.923010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.923010][ T10] [ 2466.924531][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2466.924531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.924531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.924531][ T10] ipv6_find_idev+0x102/0x170 [ 2466.924531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.924531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.924531][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.924531][ T10] netlink_unicast+0x449/0x710 [ 2466.924531][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.924531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.924531][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.924531][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.924531][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.924531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.924531][ T10] [ 2466.926207][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2466.926483][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2466.926483][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.926483][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.926483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.926483][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.926483][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.926483][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.926483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.926483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.926483][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.926483][ T10] netlink_unicast+0x449/0x710 [ 2466.926483][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.926483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.926483][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.926483][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.926483][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.926483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.926483][ T10] [ 2466.928507][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2466.928507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.928507][ T10] ipv6_find_idev+0x102/0x170 [ 2466.928507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.928507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.928507][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.928507][ T10] netlink_unicast+0x449/0x710 [ 2466.928507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.928507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.928507][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.928507][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.928507][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.928507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.928507][ T10] [ 2466.930417][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2466.930417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.930417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.930417][ T10] ipv6_find_idev+0x102/0x170 [ 2466.930417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.930417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.930417][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.930417][ T10] netlink_unicast+0x449/0x710 [ 2466.930417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.930417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.930417][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.930417][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.930417][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.930417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.930417][ T10] [ 2466.932472][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2466.932733][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2466.932733][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.932733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.932733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.932733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.932733][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.932733][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.932733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.932733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.932733][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.932733][ T10] netlink_unicast+0x449/0x710 [ 2466.932733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.932733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.932733][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.932733][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.932733][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.932733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.932733][ T10] [ 2466.934686][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2466.934686][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.934686][ T10] ipv6_find_idev+0x102/0x170 [ 2466.934686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.934686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.934686][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.934686][ T10] netlink_unicast+0x449/0x710 [ 2466.934686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.934686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.934686][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.934686][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.934686][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.934686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.934686][ T10] [ 2466.936190][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2466.936190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.936190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.936190][ T10] ipv6_find_idev+0x102/0x170 [ 2466.936190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.936190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.936190][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.936190][ T10] netlink_unicast+0x449/0x710 [ 2466.936190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.936190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.936190][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.936190][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.936190][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.936190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.936190][ T10] [ 2466.937901][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2466.938164][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2466.938164][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.938164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.938164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.938164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.938164][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.938164][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.938164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.938164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.938164][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.938164][ T10] netlink_unicast+0x449/0x710 [ 2466.938164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.938164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.938164][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.938164][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.938164][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.938164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.938164][ T10] [ 2466.940121][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2466.940121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.940121][ T10] ipv6_find_idev+0x102/0x170 [ 2466.940121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.940121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.940121][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.940121][ T10] netlink_unicast+0x449/0x710 [ 2466.940121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.940121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.940121][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.940121][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.940121][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.940121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.940121][ T10] [ 2466.941638][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2466.941638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.941638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.941638][ T10] ipv6_find_idev+0x102/0x170 [ 2466.941638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.941638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.941638][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.941638][ T10] netlink_unicast+0x449/0x710 [ 2466.941638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.941638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.941638][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.941638][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.941638][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.941638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.941638][ T10] [ 2466.943318][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2466.943574][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2466.943574][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.943574][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.943574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.943574][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.943574][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.943574][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.943574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.943574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.943574][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.943574][ T10] netlink_unicast+0x449/0x710 [ 2466.943574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.943574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.943574][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.943574][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.943574][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.943574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.943574][ T10] [ 2466.945585][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2466.945585][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.945585][ T10] ipv6_find_idev+0x102/0x170 [ 2466.945585][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.945585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.945585][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.945585][ T10] netlink_unicast+0x449/0x710 [ 2466.945585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.945585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.945585][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.945585][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.945585][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.945585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.945585][ T10] [ 2466.947332][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2466.947332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.947332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.947332][ T10] ipv6_find_idev+0x102/0x170 [ 2466.947332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.947332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.947332][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.947332][ T10] netlink_unicast+0x449/0x710 [ 2466.947332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.947332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.947332][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.947332][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.947332][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.947332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.947332][ T10] [ 2466.949264][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2466.949520][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2466.949520][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.949520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.949520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.949520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.949520][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.949520][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.949520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.949520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.949520][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.949520][ T10] netlink_unicast+0x449/0x710 [ 2466.949520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.949520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.949520][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.949520][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.949520][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.949520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.949520][ T10] [ 2466.951662][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2466.951662][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.951662][ T10] ipv6_find_idev+0x102/0x170 [ 2466.951662][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.951662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.951662][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.951662][ T10] netlink_unicast+0x449/0x710 [ 2466.951662][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.951662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.951662][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.951662][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.951662][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.951662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.951662][ T10] [ 2466.953293][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2466.953293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.953293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.953293][ T10] ipv6_find_idev+0x102/0x170 [ 2466.953293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.953293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.953293][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.953293][ T10] netlink_unicast+0x449/0x710 [ 2466.953293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.953293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.953293][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.953293][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.953293][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.953293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.953293][ T10] [ 2466.955169][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2466.955425][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2466.955425][ T10] netdev_get_by_index+0x5e/0x80 [ 2466.955425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2466.955425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2466.955425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2466.955425][ T10] ipv6_add_addr+0x411/0x2000 [ 2466.955425][ T10] inet6_addr_add+0x30e/0xa40 [ 2466.955425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2466.955425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.955425][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.955425][ T10] netlink_unicast+0x449/0x710 [ 2466.955425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.955425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.955425][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.955425][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.955425][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.955425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.955425][ T10] [ 2466.957621][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2466.957621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2466.957621][ T10] ipv6_find_idev+0x102/0x170 [ 2466.957621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.957621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.957621][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.957621][ T10] netlink_unicast+0x449/0x710 [ 2466.957621][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.957621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.957621][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.957621][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.957621][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.957621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.957621][ T10] [ 2466.959308][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2466.959308][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2466.959308][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2466.959308][ T10] ipv6_find_idev+0x102/0x170 [ 2466.959308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2466.959308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2466.959308][ T10] netlink_rcv_skb+0x130/0x360 [ 2466.959308][ T10] netlink_unicast+0x449/0x710 [ 2466.959308][ T10] netlink_sendmsg+0x723/0xbe0 [ 2466.959308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2466.959308][ T10] ___sys_sendmsg+0xee/0x170 [ 2466.959308][ T10] __sys_sendmsg+0xcd/0x170 [ 2466.959308][ T10] do_syscall_64+0xc6/0x1e0 [ 2466.959308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2466.959308][ T10] [ 2477.170988][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2477.171595][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2477.171595][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.171595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.171595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.171595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.171595][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.171595][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.171595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.171595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.171595][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.171595][ T10] netlink_unicast+0x449/0x710 [ 2477.171595][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.171595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.171595][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.171595][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.171595][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.171595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.171595][ T10] [ 2477.174720][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2477.174720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.174720][ T10] ipv6_find_idev+0x102/0x170 [ 2477.174720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.174720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.174720][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.174720][ T10] netlink_unicast+0x449/0x710 [ 2477.174720][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.174720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.174720][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.174720][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.174720][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.174720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.174720][ T10] [ 2477.177136][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2477.177136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.177136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.177136][ T10] ipv6_find_idev+0x102/0x170 [ 2477.177136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.177136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.177136][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.177136][ T10] netlink_unicast+0x449/0x710 [ 2477.177136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.177136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.177136][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.177136][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.177136][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.177136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.177136][ T10] [ 2477.179733][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2477.180189][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2477.180189][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.180189][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.180189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.180189][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.180189][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.180189][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.180189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.180189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.180189][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.180189][ T10] netlink_unicast+0x449/0x710 [ 2477.180189][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.180189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.180189][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.180189][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.180189][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.180189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.180189][ T10] [ 2477.183356][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2477.183356][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.183356][ T10] ipv6_find_idev+0x102/0x170 [ 2477.183356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.183356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.183356][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.183356][ T10] netlink_unicast+0x449/0x710 [ 2477.183356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.183356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.183356][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.183356][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.183356][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.183356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.183356][ T10] [ 2477.185761][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2477.185761][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.185761][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.185761][ T10] ipv6_find_idev+0x102/0x170 [ 2477.185761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.185761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.185761][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.185761][ T10] netlink_unicast+0x449/0x710 [ 2477.185761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.185761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.185761][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.185761][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.185761][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.185761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.185761][ T10] [ 2477.188203][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2477.188623][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2477.188623][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.188623][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.188623][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.188623][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.188623][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.188623][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.188623][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.188623][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.188623][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.188623][ T10] netlink_unicast+0x449/0x710 [ 2477.188623][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.188623][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.188623][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.188623][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.188623][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.188623][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.188623][ T10] [ 2477.191606][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2477.191606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.191606][ T10] ipv6_find_idev+0x102/0x170 [ 2477.191606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.191606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.191606][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.191606][ T10] netlink_unicast+0x449/0x710 [ 2477.191606][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.191606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.191606][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.191606][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.191606][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.191606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.191606][ T10] [ 2477.193976][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2477.193976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.193976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.193976][ T10] ipv6_find_idev+0x102/0x170 [ 2477.193976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.193976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.193976][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.193976][ T10] netlink_unicast+0x449/0x710 [ 2477.193976][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.193976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.193976][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.193976][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.193976][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.193976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.193976][ T10] [ 2477.196642][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2477.197157][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2477.197157][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.197157][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.197157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.197157][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.197157][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.197157][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.197157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.197157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.197157][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.197157][ T10] netlink_unicast+0x449/0x710 [ 2477.197157][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.197157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.197157][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.197157][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.197157][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.197157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.197157][ T10] [ 2477.199412][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2477.199412][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.199412][ T10] ipv6_find_idev+0x102/0x170 [ 2477.199412][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.199412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.199412][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.199412][ T10] netlink_unicast+0x449/0x710 [ 2477.199412][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.199412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.199412][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.199412][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.199412][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.199412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.199412][ T10] [ 2477.200939][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2477.200939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.200939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.200939][ T10] ipv6_find_idev+0x102/0x170 [ 2477.200939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.200939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.200939][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.200939][ T10] netlink_unicast+0x449/0x710 [ 2477.200939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.200939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.200939][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.200939][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.200939][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.200939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.200939][ T10] [ 2477.202728][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2477.203046][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2477.203046][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.203046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.203046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.203046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.203046][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.203046][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.203046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.203046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.203046][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.203046][ T10] netlink_unicast+0x449/0x710 [ 2477.203046][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.203046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.203046][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.203046][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.203046][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.203046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.203046][ T10] [ 2477.205030][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2477.205030][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.205030][ T10] ipv6_find_idev+0x102/0x170 [ 2477.205030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.205030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.205030][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.205030][ T10] netlink_unicast+0x449/0x710 [ 2477.205030][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.205030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.205030][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.205030][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.205030][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.205030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.205030][ T10] [ 2477.206563][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2477.206563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.206563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.206563][ T10] ipv6_find_idev+0x102/0x170 [ 2477.206563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.206563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.206563][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.206563][ T10] netlink_unicast+0x449/0x710 [ 2477.206563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.206563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.206563][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.206563][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.206563][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.206563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.206563][ T10] [ 2477.208403][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2477.208660][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2477.208660][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.208660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.208660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.208660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.208660][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.208660][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.208660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.208660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.208660][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.208660][ T10] netlink_unicast+0x449/0x710 [ 2477.208660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.208660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.208660][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.208660][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.208660][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.208660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.208660][ T10] [ 2477.210943][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2477.210943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.210943][ T10] ipv6_find_idev+0x102/0x170 [ 2477.210943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.210943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.210943][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.210943][ T10] netlink_unicast+0x449/0x710 [ 2477.210943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.210943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.210943][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.210943][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.210943][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.210943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.210943][ T10] [ 2477.212619][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2477.212619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.212619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.212619][ T10] ipv6_find_idev+0x102/0x170 [ 2477.212619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.212619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.212619][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.212619][ T10] netlink_unicast+0x449/0x710 [ 2477.212619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.212619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.212619][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.212619][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.212619][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.212619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.212619][ T10] [ 2477.214562][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2477.214821][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2477.214821][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.214821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.214821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.214821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.214821][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.214821][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.214821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.214821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.214821][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.214821][ T10] netlink_unicast+0x449/0x710 [ 2477.214821][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.214821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.214821][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.214821][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.214821][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.214821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.214821][ T10] [ 2477.216915][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2477.216915][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.216915][ T10] ipv6_find_idev+0x102/0x170 [ 2477.216915][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.216915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.216915][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.216915][ T10] netlink_unicast+0x449/0x710 [ 2477.216915][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.216915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.216915][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.216915][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.216915][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.216915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.216915][ T10] [ 2477.218619][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2477.218619][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.218619][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.218619][ T10] ipv6_find_idev+0x102/0x170 [ 2477.218619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.218619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.218619][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.218619][ T10] netlink_unicast+0x449/0x710 [ 2477.218619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.218619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.218619][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.218619][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.218619][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.218619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.218619][ T10] [ 2477.220567][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2477.220823][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2477.220823][ T10] netdev_get_by_index+0x5e/0x80 [ 2477.220823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2477.220823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2477.220823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2477.220823][ T10] ipv6_add_addr+0x411/0x2000 [ 2477.220823][ T10] inet6_addr_add+0x30e/0xa40 [ 2477.220823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2477.220823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.220823][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.220823][ T10] netlink_unicast+0x449/0x710 [ 2477.220823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.220823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.220823][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.220823][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.220823][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.220823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.220823][ T10] [ 2477.223250][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2477.223250][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2477.223250][ T10] ipv6_find_idev+0x102/0x170 [ 2477.223250][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.223250][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.223250][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.223250][ T10] netlink_unicast+0x449/0x710 [ 2477.223250][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.223250][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.223250][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.223250][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.223250][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.223250][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.223250][ T10] [ 2477.224968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2477.224968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2477.224968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2477.224968][ T10] ipv6_find_idev+0x102/0x170 [ 2477.224968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2477.224968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2477.224968][ T10] netlink_rcv_skb+0x130/0x360 [ 2477.224968][ T10] netlink_unicast+0x449/0x710 [ 2477.224968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2477.224968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2477.224968][ T10] ___sys_sendmsg+0xee/0x170 [ 2477.224968][ T10] __sys_sendmsg+0xcd/0x170 [ 2477.224968][ T10] do_syscall_64+0xc6/0x1e0 [ 2477.224968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2477.224968][ T10] [ 2487.466929][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2487.467382][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2487.467382][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.467382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.467382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.467382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.467382][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.467382][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.467382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.467382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.467382][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.467382][ T10] netlink_unicast+0x449/0x710 [ 2487.467382][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.467382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.467382][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.467382][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.467382][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.467382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.467382][ T10] [ 2487.469381][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2487.469381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.469381][ T10] ipv6_find_idev+0x102/0x170 [ 2487.469381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.469381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.469381][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.469381][ T10] netlink_unicast+0x449/0x710 [ 2487.469381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.469381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.469381][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.469381][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.469381][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.469381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.469381][ T10] [ 2487.470901][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2487.470901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.470901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.470901][ T10] ipv6_find_idev+0x102/0x170 [ 2487.470901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.470901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.470901][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.470901][ T10] netlink_unicast+0x449/0x710 [ 2487.470901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.470901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.470901][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.470901][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.470901][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.470901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.470901][ T10] [ 2487.472584][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2487.472854][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2487.472854][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.472854][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.472854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.472854][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.472854][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.472854][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.472854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.472854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.472854][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.472854][ T10] netlink_unicast+0x449/0x710 [ 2487.472854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.472854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.472854][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.472854][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.472854][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.472854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.472854][ T10] [ 2487.474817][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2487.474817][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.474817][ T10] ipv6_find_idev+0x102/0x170 [ 2487.474817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.474817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.474817][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.474817][ T10] netlink_unicast+0x449/0x710 [ 2487.474817][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.474817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.474817][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.474817][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.474817][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.474817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.474817][ T10] [ 2487.476340][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2487.476340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.476340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.476340][ T10] ipv6_find_idev+0x102/0x170 [ 2487.476340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.476340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.476340][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.476340][ T10] netlink_unicast+0x449/0x710 [ 2487.476340][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.476340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.476340][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.476340][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.476340][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.476340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.476340][ T10] [ 2487.477986][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2487.478247][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2487.478247][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.478247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.478247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.478247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.478247][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.478247][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.478247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.478247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.478247][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.478247][ T10] netlink_unicast+0x449/0x710 [ 2487.478247][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.478247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.478247][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.478247][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.478247][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.478247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.478247][ T10] [ 2487.480220][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2487.480220][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.480220][ T10] ipv6_find_idev+0x102/0x170 [ 2487.480220][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.480220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.480220][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.480220][ T10] netlink_unicast+0x449/0x710 [ 2487.480220][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.480220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.480220][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.480220][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.480220][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.480220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.480220][ T10] [ 2487.481745][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2487.481745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.481745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.481745][ T10] ipv6_find_idev+0x102/0x170 [ 2487.481745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.481745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.481745][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.481745][ T10] netlink_unicast+0x449/0x710 [ 2487.481745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.481745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.481745][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.481745][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.481745][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.481745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.481745][ T10] [ 2487.483389][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2487.483651][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2487.483651][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.483651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.483651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.483651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.483651][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.483651][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.483651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.483651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.483651][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.483651][ T10] netlink_unicast+0x449/0x710 [ 2487.483651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.483651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.483651][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.483651][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.483651][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.483651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.483651][ T10] [ 2487.485601][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2487.485601][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.485601][ T10] ipv6_find_idev+0x102/0x170 [ 2487.485601][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.485601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.485601][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.485601][ T10] netlink_unicast+0x449/0x710 [ 2487.485601][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.485601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.485601][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.485601][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.485601][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.485601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.485601][ T10] [ 2487.487106][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2487.487106][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.487106][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.487106][ T10] ipv6_find_idev+0x102/0x170 [ 2487.487106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.487106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.487106][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.487106][ T10] netlink_unicast+0x449/0x710 [ 2487.487106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.487106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.487106][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.487106][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.487106][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.487106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.487106][ T10] [ 2487.489191][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2487.489451][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2487.489451][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.489451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.489451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.489451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.489451][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.489451][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.489451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.489451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.489451][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.489451][ T10] netlink_unicast+0x449/0x710 [ 2487.489451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.489451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.489451][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.489451][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.489451][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.489451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.489451][ T10] [ 2487.491943][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2487.491943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.491943][ T10] ipv6_find_idev+0x102/0x170 [ 2487.491943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.491943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.491943][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.491943][ T10] netlink_unicast+0x449/0x710 [ 2487.491943][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.491943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.491943][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.491943][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.491943][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.491943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.491943][ T10] [ 2487.493459][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2487.493459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.493459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.493459][ T10] ipv6_find_idev+0x102/0x170 [ 2487.493459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.493459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.493459][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.493459][ T10] netlink_unicast+0x449/0x710 [ 2487.493459][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.493459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.493459][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.493459][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.493459][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.493459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.493459][ T10] [ 2487.495154][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2487.495417][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2487.495417][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.495417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.495417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.495417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.495417][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.495417][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.495417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.495417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.495417][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.495417][ T10] netlink_unicast+0x449/0x710 [ 2487.495417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.495417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.495417][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.495417][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.495417][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.495417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.495417][ T10] [ 2487.497516][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2487.497516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.497516][ T10] ipv6_find_idev+0x102/0x170 [ 2487.497516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.497516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.497516][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.497516][ T10] netlink_unicast+0x449/0x710 [ 2487.497516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.497516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.497516][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.497516][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.497516][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.497516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.497516][ T10] [ 2487.499274][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2487.499274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.499274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.499274][ T10] ipv6_find_idev+0x102/0x170 [ 2487.499274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.499274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.499274][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.499274][ T10] netlink_unicast+0x449/0x710 [ 2487.499274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.499274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.499274][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.499274][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.499274][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.499274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.499274][ T10] [ 2487.501163][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2487.501436][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2487.501436][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.501436][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.501436][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.501436][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.501436][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.501436][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.501436][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.501436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.501436][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.501436][ T10] netlink_unicast+0x449/0x710 [ 2487.501436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.501436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.501436][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.501436][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.501436][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.501436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.501436][ T10] [ 2487.503586][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2487.503586][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.503586][ T10] ipv6_find_idev+0x102/0x170 [ 2487.503586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.503586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.503586][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.503586][ T10] netlink_unicast+0x449/0x710 [ 2487.503586][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.503586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.503586][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.503586][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.503586][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.503586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.503586][ T10] [ 2487.505290][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2487.505290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.505290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.505290][ T10] ipv6_find_idev+0x102/0x170 [ 2487.505290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.505290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.505290][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.505290][ T10] netlink_unicast+0x449/0x710 [ 2487.505290][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.505290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.505290][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.505290][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.505290][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.505290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.505290][ T10] [ 2487.507163][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2487.507422][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2487.507422][ T10] netdev_get_by_index+0x5e/0x80 [ 2487.507422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2487.507422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2487.507422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2487.507422][ T10] ipv6_add_addr+0x411/0x2000 [ 2487.507422][ T10] inet6_addr_add+0x30e/0xa40 [ 2487.507422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2487.507422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.507422][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.507422][ T10] netlink_unicast+0x449/0x710 [ 2487.507422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.507422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.507422][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.507422][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.507422][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.507422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.507422][ T10] [ 2487.509684][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2487.509684][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2487.509684][ T10] ipv6_find_idev+0x102/0x170 [ 2487.509684][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.509684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.509684][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.509684][ T10] netlink_unicast+0x449/0x710 [ 2487.509684][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.509684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.509684][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.509684][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.509684][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.509684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.509684][ T10] [ 2487.511395][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2487.511395][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2487.511395][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2487.511395][ T10] ipv6_find_idev+0x102/0x170 [ 2487.511395][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2487.511395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2487.511395][ T10] netlink_rcv_skb+0x130/0x360 [ 2487.511395][ T10] netlink_unicast+0x449/0x710 [ 2487.511395][ T10] netlink_sendmsg+0x723/0xbe0 [ 2487.511395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2487.511395][ T10] ___sys_sendmsg+0xee/0x170 [ 2487.511395][ T10] __sys_sendmsg+0xcd/0x170 [ 2487.511395][ T10] do_syscall_64+0xc6/0x1e0 [ 2487.511395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2487.511395][ T10] [ 2497.658992][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2497.659451][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2497.659451][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.659451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.659451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.659451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.659451][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.659451][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.659451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.659451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.659451][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.659451][ T10] netlink_unicast+0x449/0x710 [ 2497.659451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.659451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.659451][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.659451][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.659451][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.659451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.659451][ T10] [ 2497.661461][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2497.661461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.661461][ T10] ipv6_find_idev+0x102/0x170 [ 2497.661461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.661461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.661461][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.661461][ T10] netlink_unicast+0x449/0x710 [ 2497.661461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.661461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.661461][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.661461][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.661461][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.661461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.661461][ T10] [ 2497.663003][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2497.663003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.663003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.663003][ T10] ipv6_find_idev+0x102/0x170 [ 2497.663003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.663003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.663003][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.663003][ T10] netlink_unicast+0x449/0x710 [ 2497.663003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.663003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.663003][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.663003][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.663003][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.663003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.663003][ T10] [ 2497.664700][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2497.664991][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2497.664991][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.664991][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.664991][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.664991][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.664991][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.664991][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.664991][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.664991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.664991][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.664991][ T10] netlink_unicast+0x449/0x710 [ 2497.664991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.664991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.664991][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.664991][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.664991][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.664991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.664991][ T10] [ 2497.666974][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2497.666974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.666974][ T10] ipv6_find_idev+0x102/0x170 [ 2497.666974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.666974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.666974][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.666974][ T10] netlink_unicast+0x449/0x710 [ 2497.666974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.666974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.666974][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.666974][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.666974][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.666974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.666974][ T10] [ 2497.668500][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2497.668500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.668500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.668500][ T10] ipv6_find_idev+0x102/0x170 [ 2497.668500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.668500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.668500][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.668500][ T10] netlink_unicast+0x449/0x710 [ 2497.668500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.668500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.668500][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.668500][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.668500][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.668500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.668500][ T10] [ 2497.670171][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2497.670438][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2497.670438][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.670438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.670438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.670438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.670438][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.670438][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.670438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.670438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.670438][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.670438][ T10] netlink_unicast+0x449/0x710 [ 2497.670438][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.670438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.670438][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.670438][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.670438][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.670438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.670438][ T10] [ 2497.672448][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2497.672448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.672448][ T10] ipv6_find_idev+0x102/0x170 [ 2497.672448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.672448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.672448][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.672448][ T10] netlink_unicast+0x449/0x710 [ 2497.672448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.672448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.672448][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.672448][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.672448][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.672448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.672448][ T10] [ 2497.673974][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2497.673974][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.673974][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.673974][ T10] ipv6_find_idev+0x102/0x170 [ 2497.673974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.673974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.673974][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.673974][ T10] netlink_unicast+0x449/0x710 [ 2497.673974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.673974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.673974][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.673974][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.673974][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.673974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.673974][ T10] [ 2497.675665][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2497.676373][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2497.676373][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.676373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.676373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.676373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.676373][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.676373][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.676373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.676373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.676373][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.676373][ T10] netlink_unicast+0x449/0x710 [ 2497.676373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.676373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.676373][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.676373][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.676373][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.676373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.676373][ T10] [ 2497.678359][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2497.678359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.678359][ T10] ipv6_find_idev+0x102/0x170 [ 2497.678359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.678359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.678359][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.678359][ T10] netlink_unicast+0x449/0x710 [ 2497.678359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.678359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.678359][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.678359][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.678359][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.678359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.678359][ T10] [ 2497.679895][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2497.679895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.679895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.679895][ T10] ipv6_find_idev+0x102/0x170 [ 2497.679895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.679895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.679895][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.679895][ T10] netlink_unicast+0x449/0x710 [ 2497.679895][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.679895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.679895][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.679895][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.679895][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.679895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.679895][ T10] [ 2497.681634][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2497.681948][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2497.681948][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.681948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.681948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.681948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.681948][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.681948][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.681948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.681948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.681948][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.681948][ T10] netlink_unicast+0x449/0x710 [ 2497.681948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.681948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.681948][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.681948][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.681948][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.681948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.681948][ T10] [ 2497.683942][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2497.683942][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.683942][ T10] ipv6_find_idev+0x102/0x170 [ 2497.683942][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.683942][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.683942][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.683942][ T10] netlink_unicast+0x449/0x710 [ 2497.683942][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.683942][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.683942][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.683942][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.683942][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.683942][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.683942][ T10] [ 2497.685481][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2497.685481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.685481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.685481][ T10] ipv6_find_idev+0x102/0x170 [ 2497.685481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.685481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.685481][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.685481][ T10] netlink_unicast+0x449/0x710 [ 2497.685481][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.685481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.685481][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.685481][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.685481][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.685481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.685481][ T10] [ 2497.687217][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2497.687527][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2497.687527][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.687527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.687527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.687527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.687527][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.687527][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.687527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.687527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.687527][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.687527][ T10] netlink_unicast+0x449/0x710 [ 2497.687527][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.687527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.687527][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.687527][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.687527][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.687527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.687527][ T10] [ 2497.689516][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2497.689516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.689516][ T10] ipv6_find_idev+0x102/0x170 [ 2497.689516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.689516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.689516][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.689516][ T10] netlink_unicast+0x449/0x710 [ 2497.689516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.689516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.689516][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.689516][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.689516][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.689516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.689516][ T10] [ 2497.691243][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2497.691243][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.691243][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.691243][ T10] ipv6_find_idev+0x102/0x170 [ 2497.691243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.691243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.691243][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.691243][ T10] netlink_unicast+0x449/0x710 [ 2497.691243][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.691243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.691243][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.691243][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.691243][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.691243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.691243][ T10] [ 2497.693201][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2497.693519][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2497.693519][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.693519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.693519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.693519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.693519][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.693519][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.693519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.693519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.693519][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.693519][ T10] netlink_unicast+0x449/0x710 [ 2497.693519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.693519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.693519][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.693519][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.693519][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.693519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.693519][ T10] [ 2497.695675][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2497.695675][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.695675][ T10] ipv6_find_idev+0x102/0x170 [ 2497.695675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.695675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.695675][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.695675][ T10] netlink_unicast+0x449/0x710 [ 2497.695675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.695675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.695675][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.695675][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.695675][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.695675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.695675][ T10] [ 2497.697383][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2497.697383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.697383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.697383][ T10] ipv6_find_idev+0x102/0x170 [ 2497.697383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.697383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.697383][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.697383][ T10] netlink_unicast+0x449/0x710 [ 2497.697383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.697383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.697383][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.697383][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.697383][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.697383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.697383][ T10] [ 2497.699335][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2497.699681][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2497.699681][ T10] netdev_get_by_index+0x5e/0x80 [ 2497.699681][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2497.699681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2497.699681][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2497.699681][ T10] ipv6_add_addr+0x411/0x2000 [ 2497.699681][ T10] inet6_addr_add+0x30e/0xa40 [ 2497.699681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2497.699681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.699681][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.699681][ T10] netlink_unicast+0x449/0x710 [ 2497.699681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.699681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.699681][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.699681][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.699681][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.699681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.699681][ T10] [ 2497.701846][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2497.701846][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2497.701846][ T10] ipv6_find_idev+0x102/0x170 [ 2497.701846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.701846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.701846][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.701846][ T10] netlink_unicast+0x449/0x710 [ 2497.701846][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.701846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.701846][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.701846][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.701846][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.701846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.701846][ T10] [ 2497.703609][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2497.703609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2497.703609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2497.703609][ T10] ipv6_find_idev+0x102/0x170 [ 2497.703609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2497.703609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2497.703609][ T10] netlink_rcv_skb+0x130/0x360 [ 2497.703609][ T10] netlink_unicast+0x449/0x710 [ 2497.703609][ T10] netlink_sendmsg+0x723/0xbe0 [ 2497.703609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2497.703609][ T10] ___sys_sendmsg+0xee/0x170 [ 2497.703609][ T10] __sys_sendmsg+0xcd/0x170 [ 2497.703609][ T10] do_syscall_64+0xc6/0x1e0 [ 2497.703609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2497.703609][ T10] [ 2507.802945][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2507.803404][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2507.803404][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.803404][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.803404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.803404][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.803404][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.803404][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.803404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.803404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.803404][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.803404][ T10] netlink_unicast+0x449/0x710 [ 2507.803404][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.803404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.803404][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.803404][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.803404][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.803404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.803404][ T10] [ 2507.805690][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2507.805690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.805690][ T10] ipv6_find_idev+0x102/0x170 [ 2507.805690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.805690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.805690][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.805690][ T10] netlink_unicast+0x449/0x710 [ 2507.805690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.805690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.805690][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.805690][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.805690][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.805690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.805690][ T10] [ 2507.808035][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2507.808035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.808035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.808035][ T10] ipv6_find_idev+0x102/0x170 [ 2507.808035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.808035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.808035][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.808035][ T10] netlink_unicast+0x449/0x710 [ 2507.808035][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.808035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.808035][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.808035][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.808035][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.808035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.808035][ T10] [ 2507.810590][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2507.811040][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2507.811040][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.811040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.811040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.811040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.811040][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.811040][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.811040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.811040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.811040][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.811040][ T10] netlink_unicast+0x449/0x710 [ 2507.811040][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.811040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.811040][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.811040][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.811040][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.811040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.811040][ T10] [ 2507.814096][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2507.814096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.814096][ T10] ipv6_find_idev+0x102/0x170 [ 2507.814096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.814096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.814096][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.814096][ T10] netlink_unicast+0x449/0x710 [ 2507.814096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.814096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.814096][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.814096][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.814096][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.814096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.814096][ T10] [ 2507.816551][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2507.816551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.816551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.816551][ T10] ipv6_find_idev+0x102/0x170 [ 2507.816551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.816551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.816551][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.816551][ T10] netlink_unicast+0x449/0x710 [ 2507.816551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.816551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.816551][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.816551][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.816551][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.816551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.816551][ T10] [ 2507.819099][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2507.819512][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2507.819512][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.819512][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.819512][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.819512][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.819512][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.819512][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.819512][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.819512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.819512][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.819512][ T10] netlink_unicast+0x449/0x710 [ 2507.819512][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.819512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.819512][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.819512][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.819512][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.819512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.819512][ T10] [ 2507.822514][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2507.822514][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.822514][ T10] ipv6_find_idev+0x102/0x170 [ 2507.822514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.822514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.822514][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.822514][ T10] netlink_unicast+0x449/0x710 [ 2507.822514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.822514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.822514][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.822514][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.822514][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.822514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.822514][ T10] [ 2507.824799][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2507.824799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.824799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.824799][ T10] ipv6_find_idev+0x102/0x170 [ 2507.824799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.824799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.824799][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.824799][ T10] netlink_unicast+0x449/0x710 [ 2507.824799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.824799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.824799][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.824799][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.824799][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.824799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.824799][ T10] [ 2507.827364][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2507.827778][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2507.827778][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.827778][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.827778][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.827778][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.827778][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.827778][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.827778][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.827778][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.827778][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.827778][ T10] netlink_unicast+0x449/0x710 [ 2507.827778][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.827778][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.827778][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.827778][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.827778][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.827778][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.827778][ T10] [ 2507.830784][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2507.830784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.830784][ T10] ipv6_find_idev+0x102/0x170 [ 2507.830784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.830784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.830784][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.830784][ T10] netlink_unicast+0x449/0x710 [ 2507.830784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.830784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.830784][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.830784][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.830784][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.830784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.830784][ T10] [ 2507.833124][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2507.833124][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.833124][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.833124][ T10] ipv6_find_idev+0x102/0x170 [ 2507.833124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.833124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.833124][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.833124][ T10] netlink_unicast+0x449/0x710 [ 2507.833124][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.833124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.833124][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.833124][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.833124][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.833124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.833124][ T10] [ 2507.836373][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2507.837416][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2507.837416][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.837416][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.837416][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.837416][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.837416][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.837416][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.837416][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.837416][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.837416][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.837416][ T10] netlink_unicast+0x449/0x710 [ 2507.837416][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.837416][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.837416][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.837416][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.837416][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.837416][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.837416][ T10] [ 2507.841327][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2507.841327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.841327][ T10] ipv6_find_idev+0x102/0x170 [ 2507.841327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.841327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.841327][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.841327][ T10] netlink_unicast+0x449/0x710 [ 2507.841327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.841327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.841327][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.841327][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.841327][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.841327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.841327][ T10] [ 2507.843627][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2507.843627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.843627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.843627][ T10] ipv6_find_idev+0x102/0x170 [ 2507.843627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.843627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.843627][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.843627][ T10] netlink_unicast+0x449/0x710 [ 2507.843627][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.843627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.843627][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.843627][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.843627][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.843627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.843627][ T10] [ 2507.846171][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2507.846578][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2507.846578][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.846578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.846578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.846578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.846578][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.846578][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.846578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.846578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.846578][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.846578][ T10] netlink_unicast+0x449/0x710 [ 2507.846578][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.846578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.846578][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.846578][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.846578][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.846578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.846578][ T10] [ 2507.849596][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2507.849596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.849596][ T10] ipv6_find_idev+0x102/0x170 [ 2507.849596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.849596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.849596][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.849596][ T10] netlink_unicast+0x449/0x710 [ 2507.849596][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.849596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.849596][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.849596][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.849596][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.849596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.849596][ T10] [ 2507.852574][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2507.852574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.852574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.852574][ T10] ipv6_find_idev+0x102/0x170 [ 2507.852574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.852574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.852574][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.852574][ T10] netlink_unicast+0x449/0x710 [ 2507.852574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.852574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.852574][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.852574][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.852574][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.852574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.852574][ T10] [ 2507.855513][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2507.856006][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2507.856006][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.856006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.856006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.856006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.856006][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.856006][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.856006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.856006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.856006][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.856006][ T10] netlink_unicast+0x449/0x710 [ 2507.856006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.856006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.856006][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.856006][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.856006][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.856006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.856006][ T10] [ 2507.859396][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2507.859396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.859396][ T10] ipv6_find_idev+0x102/0x170 [ 2507.859396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.859396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.859396][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.859396][ T10] netlink_unicast+0x449/0x710 [ 2507.859396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.859396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.859396][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.859396][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.859396][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.859396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.859396][ T10] [ 2507.862010][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2507.862010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.862010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.862010][ T10] ipv6_find_idev+0x102/0x170 [ 2507.862010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.862010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.862010][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.862010][ T10] netlink_unicast+0x449/0x710 [ 2507.862010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.862010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.862010][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.862010][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.862010][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.862010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.862010][ T10] [ 2507.865064][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2507.865543][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2507.865543][ T10] netdev_get_by_index+0x5e/0x80 [ 2507.865543][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2507.865543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2507.865543][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2507.865543][ T10] ipv6_add_addr+0x411/0x2000 [ 2507.865543][ T10] inet6_addr_add+0x30e/0xa40 [ 2507.865543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2507.865543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.865543][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.865543][ T10] netlink_unicast+0x449/0x710 [ 2507.865543][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.865543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.865543][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.865543][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.865543][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.865543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.865543][ T10] [ 2507.868850][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2507.868850][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2507.868850][ T10] ipv6_find_idev+0x102/0x170 [ 2507.868850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.868850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.868850][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.868850][ T10] netlink_unicast+0x449/0x710 [ 2507.868850][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.868850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.868850][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.868850][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.868850][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.868850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.868850][ T10] [ 2507.871390][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2507.871390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2507.871390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2507.871390][ T10] ipv6_find_idev+0x102/0x170 [ 2507.871390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2507.871390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2507.871390][ T10] netlink_rcv_skb+0x130/0x360 [ 2507.871390][ T10] netlink_unicast+0x449/0x710 [ 2507.871390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2507.871390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2507.871390][ T10] ___sys_sendmsg+0xee/0x170 [ 2507.871390][ T10] __sys_sendmsg+0xcd/0x170 [ 2507.871390][ T10] do_syscall_64+0xc6/0x1e0 [ 2507.871390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2507.871390][ T10] [ 2518.114941][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2518.115426][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2518.115426][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.115426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.115426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.115426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.115426][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.115426][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.115426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.115426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.115426][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.115426][ T10] netlink_unicast+0x449/0x710 [ 2518.115426][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.115426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.115426][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.115426][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.115426][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.115426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.115426][ T10] [ 2518.117424][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2518.117424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.117424][ T10] ipv6_find_idev+0x102/0x170 [ 2518.117424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.117424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.117424][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.117424][ T10] netlink_unicast+0x449/0x710 [ 2518.117424][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.117424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.117424][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.117424][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.117424][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.117424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.117424][ T10] [ 2518.118956][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2518.118956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.118956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.118956][ T10] ipv6_find_idev+0x102/0x170 [ 2518.118956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.118956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.118956][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.118956][ T10] netlink_unicast+0x449/0x710 [ 2518.118956][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.118956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.118956][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.118956][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.118956][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.118956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.118956][ T10] [ 2518.120651][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2518.120938][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2518.120938][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.120938][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.120938][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.120938][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.120938][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.120938][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.120938][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.120938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.120938][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.120938][ T10] netlink_unicast+0x449/0x710 [ 2518.120938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.120938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.120938][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.120938][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.120938][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.120938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.120938][ T10] [ 2518.122954][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2518.122954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.122954][ T10] ipv6_find_idev+0x102/0x170 [ 2518.122954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.122954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.122954][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.122954][ T10] netlink_unicast+0x449/0x710 [ 2518.122954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.122954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.122954][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.122954][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.122954][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.122954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.122954][ T10] [ 2518.124498][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2518.124498][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.124498][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.124498][ T10] ipv6_find_idev+0x102/0x170 [ 2518.124498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.124498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.124498][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.124498][ T10] netlink_unicast+0x449/0x710 [ 2518.124498][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.124498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.124498][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.124498][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.124498][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.124498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.124498][ T10] [ 2518.126202][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2518.126471][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2518.126471][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.126471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.126471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.126471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.126471][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.126471][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.126471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.126471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.126471][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.126471][ T10] netlink_unicast+0x449/0x710 [ 2518.126471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.126471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.126471][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.126471][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.126471][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.126471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.126471][ T10] [ 2518.128461][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2518.128461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.128461][ T10] ipv6_find_idev+0x102/0x170 [ 2518.128461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.128461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.128461][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.128461][ T10] netlink_unicast+0x449/0x710 [ 2518.128461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.128461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.128461][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.128461][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.128461][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.128461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.128461][ T10] [ 2518.129985][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2518.129985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.129985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.129985][ T10] ipv6_find_idev+0x102/0x170 [ 2518.129985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.129985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.129985][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.129985][ T10] netlink_unicast+0x449/0x710 [ 2518.129985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.129985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.129985][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.129985][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.129985][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.129985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.129985][ T10] [ 2518.131676][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2518.132011][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2518.132011][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.132011][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.132011][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.132011][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.132011][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.132011][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.132011][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.132011][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.132011][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.132011][ T10] netlink_unicast+0x449/0x710 [ 2518.132011][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.132011][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.132011][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.132011][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.132011][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.132011][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.132011][ T10] [ 2518.134008][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2518.134008][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.134008][ T10] ipv6_find_idev+0x102/0x170 [ 2518.134008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.134008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.134008][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.134008][ T10] netlink_unicast+0x449/0x710 [ 2518.134008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.134008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.134008][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.134008][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.134008][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.134008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.134008][ T10] [ 2518.135549][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2518.135549][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.135549][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.135549][ T10] ipv6_find_idev+0x102/0x170 [ 2518.135549][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.135549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.135549][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.135549][ T10] netlink_unicast+0x449/0x710 [ 2518.135549][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.135549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.135549][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.135549][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.135549][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.135549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.135549][ T10] [ 2518.137273][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2518.137583][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2518.137583][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.137583][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.137583][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.137583][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.137583][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.137583][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.137583][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.137583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.137583][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.137583][ T10] netlink_unicast+0x449/0x710 [ 2518.137583][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.137583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.137583][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.137583][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.137583][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.137583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.137583][ T10] [ 2518.139594][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2518.139594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.139594][ T10] ipv6_find_idev+0x102/0x170 [ 2518.139594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.139594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.139594][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.139594][ T10] netlink_unicast+0x449/0x710 [ 2518.139594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.139594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.139594][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.139594][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.139594][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.139594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.139594][ T10] [ 2518.141141][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2518.141141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.141141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.141141][ T10] ipv6_find_idev+0x102/0x170 [ 2518.141141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.141141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.141141][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.141141][ T10] netlink_unicast+0x449/0x710 [ 2518.141141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.141141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.141141][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.141141][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.141141][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.141141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.141141][ T10] [ 2518.142990][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2518.143309][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2518.143309][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.143309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.143309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.143309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.143309][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.143309][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.143309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.143309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.143309][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.143309][ T10] netlink_unicast+0x449/0x710 [ 2518.143309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.143309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.143309][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.143309][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.143309][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.143309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.143309][ T10] [ 2518.145473][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2518.145473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.145473][ T10] ipv6_find_idev+0x102/0x170 [ 2518.145473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.145473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.145473][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.145473][ T10] netlink_unicast+0x449/0x710 [ 2518.145473][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.145473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.145473][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.145473][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.145473][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.145473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.145473][ T10] [ 2518.147189][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2518.147189][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.147189][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.147189][ T10] ipv6_find_idev+0x102/0x170 [ 2518.147189][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.147189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.147189][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.147189][ T10] netlink_unicast+0x449/0x710 [ 2518.147189][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.147189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.147189][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.147189][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.147189][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.147189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.147189][ T10] [ 2518.149210][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2518.149518][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2518.149518][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.149518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.149518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.149518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.149518][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.149518][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.149518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.149518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.149518][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.149518][ T10] netlink_unicast+0x449/0x710 [ 2518.149518][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.149518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.149518][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.149518][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.149518][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.149518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.149518][ T10] [ 2518.151705][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2518.151705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.151705][ T10] ipv6_find_idev+0x102/0x170 [ 2518.151705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.151705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.151705][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.151705][ T10] netlink_unicast+0x449/0x710 [ 2518.151705][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.151705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.151705][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.151705][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.151705][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.151705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.151705][ T10] [ 2518.153415][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2518.153415][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.153415][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.153415][ T10] ipv6_find_idev+0x102/0x170 [ 2518.153415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.153415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.153415][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.153415][ T10] netlink_unicast+0x449/0x710 [ 2518.153415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.153415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.153415][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.153415][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.153415][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.153415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.153415][ T10] [ 2518.155306][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2518.155625][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2518.155625][ T10] netdev_get_by_index+0x5e/0x80 [ 2518.155625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2518.155625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2518.155625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2518.155625][ T10] ipv6_add_addr+0x411/0x2000 [ 2518.155625][ T10] inet6_addr_add+0x30e/0xa40 [ 2518.155625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2518.155625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.155625][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.155625][ T10] netlink_unicast+0x449/0x710 [ 2518.155625][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.155625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.155625][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.155625][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.155625][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.155625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.155625][ T10] [ 2518.157790][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2518.157790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2518.157790][ T10] ipv6_find_idev+0x102/0x170 [ 2518.157790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.157790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.157790][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.157790][ T10] netlink_unicast+0x449/0x710 [ 2518.157790][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.157790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.157790][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.157790][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.157790][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.157790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.157790][ T10] [ 2518.159558][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2518.159558][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2518.159558][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2518.159558][ T10] ipv6_find_idev+0x102/0x170 [ 2518.159558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2518.159558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2518.159558][ T10] netlink_rcv_skb+0x130/0x360 [ 2518.159558][ T10] netlink_unicast+0x449/0x710 [ 2518.159558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2518.159558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2518.159558][ T10] ___sys_sendmsg+0xee/0x170 [ 2518.159558][ T10] __sys_sendmsg+0xcd/0x170 [ 2518.159558][ T10] do_syscall_64+0xc6/0x1e0 [ 2518.159558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2518.159558][ T10] [ 2528.179016][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2528.179471][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2528.179471][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.179471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.179471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.179471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.179471][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.179471][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.179471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.179471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.179471][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.179471][ T10] netlink_unicast+0x449/0x710 [ 2528.179471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.179471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.179471][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.179471][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.179471][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.179471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.179471][ T10] [ 2528.181472][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2528.181472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.181472][ T10] ipv6_find_idev+0x102/0x170 [ 2528.181472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.181472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.181472][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.181472][ T10] netlink_unicast+0x449/0x710 [ 2528.181472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.181472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.181472][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.181472][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.181472][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.181472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.181472][ T10] [ 2528.182978][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2528.182978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.182978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.182978][ T10] ipv6_find_idev+0x102/0x170 [ 2528.182978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.182978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.182978][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.182978][ T10] netlink_unicast+0x449/0x710 [ 2528.182978][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.182978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.182978][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.182978][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.182978][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.182978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.182978][ T10] [ 2528.184637][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2528.184917][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2528.184917][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.184917][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.184917][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.184917][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.184917][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.184917][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.184917][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.184917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.184917][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.184917][ T10] netlink_unicast+0x449/0x710 [ 2528.184917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.184917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.184917][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.184917][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.184917][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.184917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.184917][ T10] [ 2528.186871][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2528.186871][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.186871][ T10] ipv6_find_idev+0x102/0x170 [ 2528.186871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.186871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.186871][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.186871][ T10] netlink_unicast+0x449/0x710 [ 2528.186871][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.186871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.186871][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.186871][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.186871][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.186871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.186871][ T10] [ 2528.188376][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2528.188376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.188376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.188376][ T10] ipv6_find_idev+0x102/0x170 [ 2528.188376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.188376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.188376][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.188376][ T10] netlink_unicast+0x449/0x710 [ 2528.188376][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.188376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.188376][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.188376][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.188376][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.188376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.188376][ T10] [ 2528.190022][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2528.190286][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2528.190286][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.190286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.190286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.190286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.190286][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.190286][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.190286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.190286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.190286][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.190286][ T10] netlink_unicast+0x449/0x710 [ 2528.190286][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.190286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.190286][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.190286][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.190286][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.190286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.190286][ T10] [ 2528.192246][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2528.192246][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.192246][ T10] ipv6_find_idev+0x102/0x170 [ 2528.192246][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.192246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.192246][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.192246][ T10] netlink_unicast+0x449/0x710 [ 2528.192246][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.192246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.192246][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.192246][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.192246][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.192246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.192246][ T10] [ 2528.193890][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2528.193890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.193890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.193890][ T10] ipv6_find_idev+0x102/0x170 [ 2528.193890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.193890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.193890][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.193890][ T10] netlink_unicast+0x449/0x710 [ 2528.193890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.193890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.193890][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.193890][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.193890][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.193890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.193890][ T10] [ 2528.195542][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2528.195820][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2528.195820][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.195820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.195820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.195820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.195820][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.195820][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.195820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.195820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.195820][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.195820][ T10] netlink_unicast+0x449/0x710 [ 2528.195820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.195820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.195820][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.195820][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.195820][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.195820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.195820][ T10] [ 2528.197795][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2528.197795][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.197795][ T10] ipv6_find_idev+0x102/0x170 [ 2528.197795][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.197795][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.197795][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.197795][ T10] netlink_unicast+0x449/0x710 [ 2528.197795][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.197795][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.197795][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.197795][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.197795][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.197795][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.197795][ T10] [ 2528.199325][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2528.199325][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.199325][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.199325][ T10] ipv6_find_idev+0x102/0x170 [ 2528.199325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.199325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.199325][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.199325][ T10] netlink_unicast+0x449/0x710 [ 2528.199325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.199325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.199325][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.199325][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.199325][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.199325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.199325][ T10] [ 2528.201031][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2528.201297][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2528.201297][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.201297][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.201297][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.201297][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.201297][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.201297][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.201297][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.201297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.201297][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.201297][ T10] netlink_unicast+0x449/0x710 [ 2528.201297][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.201297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.201297][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.201297][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.201297][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.201297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.201297][ T10] [ 2528.203249][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2528.203249][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.203249][ T10] ipv6_find_idev+0x102/0x170 [ 2528.203249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.203249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.203249][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.203249][ T10] netlink_unicast+0x449/0x710 [ 2528.203249][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.203249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.203249][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.203249][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.203249][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.203249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.203249][ T10] [ 2528.204769][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2528.204769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.204769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.204769][ T10] ipv6_find_idev+0x102/0x170 [ 2528.204769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.204769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.204769][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.204769][ T10] netlink_unicast+0x449/0x710 [ 2528.204769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.204769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.204769][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.204769][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.204769][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.204769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.204769][ T10] [ 2528.206769][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2528.207079][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2528.207079][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.207079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.207079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.207079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.207079][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.207079][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.207079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.207079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.207079][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.207079][ T10] netlink_unicast+0x449/0x710 [ 2528.207079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.207079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.207079][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.207079][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.207079][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.207079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.207079][ T10] [ 2528.209219][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2528.209219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.209219][ T10] ipv6_find_idev+0x102/0x170 [ 2528.209219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.209219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.209219][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.209219][ T10] netlink_unicast+0x449/0x710 [ 2528.209219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.209219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.209219][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.209219][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.209219][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.209219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.209219][ T10] [ 2528.210913][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2528.210913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.210913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.210913][ T10] ipv6_find_idev+0x102/0x170 [ 2528.210913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.210913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.210913][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.210913][ T10] netlink_unicast+0x449/0x710 [ 2528.210913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.210913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.210913][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.210913][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.210913][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.210913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.210913][ T10] [ 2528.212793][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2528.213101][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2528.213101][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.213101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.213101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.213101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.213101][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.213101][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.213101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.213101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.213101][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.213101][ T10] netlink_unicast+0x449/0x710 [ 2528.213101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.213101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.213101][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.213101][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.213101][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.213101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.213101][ T10] [ 2528.215235][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2528.215235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.215235][ T10] ipv6_find_idev+0x102/0x170 [ 2528.215235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.215235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.215235][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.215235][ T10] netlink_unicast+0x449/0x710 [ 2528.215235][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.215235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.215235][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.215235][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.215235][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.215235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.215235][ T10] [ 2528.216920][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2528.216920][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.216920][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.216920][ T10] ipv6_find_idev+0x102/0x170 [ 2528.216920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.216920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.216920][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.216920][ T10] netlink_unicast+0x449/0x710 [ 2528.216920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.216920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.216920][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.216920][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.216920][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.216920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.216920][ T10] [ 2528.218857][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2528.219113][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2528.219113][ T10] netdev_get_by_index+0x5e/0x80 [ 2528.219113][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2528.219113][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2528.219113][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2528.219113][ T10] ipv6_add_addr+0x411/0x2000 [ 2528.219113][ T10] inet6_addr_add+0x30e/0xa40 [ 2528.219113][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2528.219113][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.219113][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.219113][ T10] netlink_unicast+0x449/0x710 [ 2528.219113][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.219113][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.219113][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.219113][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.219113][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.219113][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.219113][ T10] [ 2528.221321][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2528.221321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2528.221321][ T10] ipv6_find_idev+0x102/0x170 [ 2528.221321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.221321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.221321][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.221321][ T10] netlink_unicast+0x449/0x710 [ 2528.221321][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.221321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.221321][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.221321][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.221321][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.221321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.221321][ T10] [ 2528.223008][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2528.223008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2528.223008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2528.223008][ T10] ipv6_find_idev+0x102/0x170 [ 2528.223008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2528.223008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2528.223008][ T10] netlink_rcv_skb+0x130/0x360 [ 2528.223008][ T10] netlink_unicast+0x449/0x710 [ 2528.223008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2528.223008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2528.223008][ T10] ___sys_sendmsg+0xee/0x170 [ 2528.223008][ T10] __sys_sendmsg+0xcd/0x170 [ 2528.223008][ T10] do_syscall_64+0xc6/0x1e0 [ 2528.223008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2528.223008][ T10] [ 2538.322916][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2538.323516][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2538.323516][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.323516][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.323516][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.323516][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.323516][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.323516][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.323516][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.323516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.323516][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.323516][ T10] netlink_unicast+0x449/0x710 [ 2538.323516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.323516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.323516][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.323516][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.323516][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.323516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.323516][ T10] [ 2538.326638][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2538.326638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.326638][ T10] ipv6_find_idev+0x102/0x170 [ 2538.326638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.326638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.326638][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.326638][ T10] netlink_unicast+0x449/0x710 [ 2538.326638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.326638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.326638][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.326638][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.326638][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.326638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.326638][ T10] [ 2538.329030][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2538.329030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.329030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.329030][ T10] ipv6_find_idev+0x102/0x170 [ 2538.329030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.329030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.329030][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.329030][ T10] netlink_unicast+0x449/0x710 [ 2538.329030][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.329030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.329030][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.329030][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.329030][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.329030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.329030][ T10] [ 2538.331658][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2538.332086][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2538.332086][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.332086][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.332086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.332086][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.332086][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.332086][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.332086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.332086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.332086][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.332086][ T10] netlink_unicast+0x449/0x710 [ 2538.332086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.332086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.332086][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.332086][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.332086][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.332086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.332086][ T10] [ 2538.335201][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2538.335201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.335201][ T10] ipv6_find_idev+0x102/0x170 [ 2538.335201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.335201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.335201][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.335201][ T10] netlink_unicast+0x449/0x710 [ 2538.335201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.335201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.335201][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.335201][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.335201][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.335201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.335201][ T10] [ 2538.337593][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2538.337593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.337593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.337593][ T10] ipv6_find_idev+0x102/0x170 [ 2538.337593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.337593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.337593][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.337593][ T10] netlink_unicast+0x449/0x710 [ 2538.337593][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.337593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.337593][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.337593][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.337593][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.337593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.337593][ T10] [ 2538.340208][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2538.340613][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2538.340613][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.340613][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.340613][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.340613][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.340613][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.340613][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.340613][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.340613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.340613][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.340613][ T10] netlink_unicast+0x449/0x710 [ 2538.340613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.340613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.340613][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.340613][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.340613][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.340613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.340613][ T10] [ 2538.343723][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2538.343723][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.343723][ T10] ipv6_find_idev+0x102/0x170 [ 2538.343723][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.343723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.343723][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.343723][ T10] netlink_unicast+0x449/0x710 [ 2538.343723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.343723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.343723][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.343723][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.343723][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.343723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.343723][ T10] [ 2538.346119][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2538.346119][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.346119][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.346119][ T10] ipv6_find_idev+0x102/0x170 [ 2538.346119][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.346119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.346119][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.346119][ T10] netlink_unicast+0x449/0x710 [ 2538.346119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.346119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.346119][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.346119][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.346119][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.346119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.346119][ T10] [ 2538.348725][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2538.349963][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2538.349963][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.349963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.349963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.349963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.349963][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.349963][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.349963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.349963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.349963][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.349963][ T10] netlink_unicast+0x449/0x710 [ 2538.349963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.349963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.349963][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.349963][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.349963][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.349963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.349963][ T10] [ 2538.353153][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2538.353153][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.353153][ T10] ipv6_find_idev+0x102/0x170 [ 2538.353153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.353153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.353153][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.353153][ T10] netlink_unicast+0x449/0x710 [ 2538.353153][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.353153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.353153][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.353153][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.353153][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.353153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.353153][ T10] [ 2538.355634][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2538.355634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.355634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.355634][ T10] ipv6_find_idev+0x102/0x170 [ 2538.355634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.355634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.355634][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.355634][ T10] netlink_unicast+0x449/0x710 [ 2538.355634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.355634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.355634][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.355634][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.355634][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.355634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.355634][ T10] [ 2538.358334][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2538.358764][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2538.358764][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.358764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.358764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.358764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.358764][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.358764][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.358764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.358764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.358764][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.358764][ T10] netlink_unicast+0x449/0x710 [ 2538.358764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.358764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.358764][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.358764][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.358764][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.358764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.358764][ T10] [ 2538.361872][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2538.361872][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.361872][ T10] ipv6_find_idev+0x102/0x170 [ 2538.361872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.361872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.361872][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.361872][ T10] netlink_unicast+0x449/0x710 [ 2538.361872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.361872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.361872][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.361872][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.361872][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.361872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.361872][ T10] [ 2538.364264][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2538.364264][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.364264][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.364264][ T10] ipv6_find_idev+0x102/0x170 [ 2538.364264][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.364264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.364264][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.364264][ T10] netlink_unicast+0x449/0x710 [ 2538.364264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.364264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.364264][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.364264][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.364264][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.364264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.364264][ T10] [ 2538.366981][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2538.367399][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2538.367399][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.367399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.367399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.367399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.367399][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.367399][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.367399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.367399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.367399][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.367399][ T10] netlink_unicast+0x449/0x710 [ 2538.367399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.367399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.367399][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.367399][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.367399][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.367399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.367399][ T10] [ 2538.370492][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2538.370492][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.370492][ T10] ipv6_find_idev+0x102/0x170 [ 2538.370492][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.370492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.370492][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.370492][ T10] netlink_unicast+0x449/0x710 [ 2538.370492][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.370492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.370492][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.370492][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.370492][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.370492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.370492][ T10] [ 2538.373336][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2538.373336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.373336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.373336][ T10] ipv6_find_idev+0x102/0x170 [ 2538.373336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.373336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.373336][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.373336][ T10] netlink_unicast+0x449/0x710 [ 2538.373336][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.373336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.373336][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.373336][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.373336][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.373336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.373336][ T10] [ 2538.376369][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2538.376774][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2538.376774][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.376774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.376774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.376774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.376774][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.376774][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.376774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.376774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.376774][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.376774][ T10] netlink_unicast+0x449/0x710 [ 2538.376774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.376774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.376774][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.376774][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.376774][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.376774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.376774][ T10] [ 2538.380201][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2538.380201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.380201][ T10] ipv6_find_idev+0x102/0x170 [ 2538.380201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.380201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.380201][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.380201][ T10] netlink_unicast+0x449/0x710 [ 2538.380201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.380201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.380201][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.380201][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.380201][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.380201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.380201][ T10] [ 2538.382936][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2538.382936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.382936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.382936][ T10] ipv6_find_idev+0x102/0x170 [ 2538.382936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.382936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.382936][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.382936][ T10] netlink_unicast+0x449/0x710 [ 2538.382936][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.382936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.382936][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.382936][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.382936][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.382936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.382936][ T10] [ 2538.386043][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2538.386451][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2538.386451][ T10] netdev_get_by_index+0x5e/0x80 [ 2538.386451][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2538.386451][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2538.386451][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2538.386451][ T10] ipv6_add_addr+0x411/0x2000 [ 2538.386451][ T10] inet6_addr_add+0x30e/0xa40 [ 2538.386451][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2538.386451][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.386451][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.386451][ T10] netlink_unicast+0x449/0x710 [ 2538.386451][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.386451][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.386451][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.386451][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.386451][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.386451][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.386451][ T10] [ 2538.389982][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2538.389982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2538.389982][ T10] ipv6_find_idev+0x102/0x170 [ 2538.389982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.389982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.389982][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.389982][ T10] netlink_unicast+0x449/0x710 [ 2538.389982][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.389982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.389982][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.389982][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.389982][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.389982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.389982][ T10] [ 2538.392703][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2538.392703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2538.392703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2538.392703][ T10] ipv6_find_idev+0x102/0x170 [ 2538.392703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2538.392703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2538.392703][ T10] netlink_rcv_skb+0x130/0x360 [ 2538.392703][ T10] netlink_unicast+0x449/0x710 [ 2538.392703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2538.392703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2538.392703][ T10] ___sys_sendmsg+0xee/0x170 [ 2538.392703][ T10] __sys_sendmsg+0xcd/0x170 [ 2538.392703][ T10] do_syscall_64+0xc6/0x1e0 [ 2538.392703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2538.392703][ T10] [ 2548.634921][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2548.635535][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2548.635535][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.635535][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.635535][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.635535][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.635535][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.635535][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.635535][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.635535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.635535][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.635535][ T10] netlink_unicast+0x449/0x710 [ 2548.635535][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.635535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.635535][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.635535][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.635535][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.635535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.635535][ T10] [ 2548.638844][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2548.638844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.638844][ T10] ipv6_find_idev+0x102/0x170 [ 2548.638844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.638844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.638844][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.638844][ T10] netlink_unicast+0x449/0x710 [ 2548.638844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.638844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.638844][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.638844][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.638844][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.638844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.638844][ T10] [ 2548.641408][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2548.641408][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.641408][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.641408][ T10] ipv6_find_idev+0x102/0x170 [ 2548.641408][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.641408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.641408][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.641408][ T10] netlink_unicast+0x449/0x710 [ 2548.641408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.641408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.641408][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.641408][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.641408][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.641408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.641408][ T10] [ 2548.644201][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2548.644638][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2548.644638][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.644638][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.644638][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.644638][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.644638][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.644638][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.644638][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.644638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.644638][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.644638][ T10] netlink_unicast+0x449/0x710 [ 2548.644638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.644638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.644638][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.644638][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.644638][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.644638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.644638][ T10] [ 2548.647945][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2548.647945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.647945][ T10] ipv6_find_idev+0x102/0x170 [ 2548.647945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.647945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.647945][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.647945][ T10] netlink_unicast+0x449/0x710 [ 2548.647945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.647945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.647945][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.647945][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.647945][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.647945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.647945][ T10] [ 2548.650496][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2548.650496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.650496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.650496][ T10] ipv6_find_idev+0x102/0x170 [ 2548.650496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.650496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.650496][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.650496][ T10] netlink_unicast+0x449/0x710 [ 2548.650496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.650496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.650496][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.650496][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.650496][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.650496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.650496][ T10] [ 2548.653133][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2548.653538][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2548.653538][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.653538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.653538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.653538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.653538][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.653538][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.653538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.653538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.653538][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.653538][ T10] netlink_unicast+0x449/0x710 [ 2548.653538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.653538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.653538][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.653538][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.653538][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.653538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.653538][ T10] [ 2548.656679][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2548.656679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.656679][ T10] ipv6_find_idev+0x102/0x170 [ 2548.656679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.656679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.656679][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.656679][ T10] netlink_unicast+0x449/0x710 [ 2548.656679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.656679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.656679][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.656679][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.656679][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.656679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.656679][ T10] [ 2548.659074][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2548.659074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.659074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.659074][ T10] ipv6_find_idev+0x102/0x170 [ 2548.659074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.659074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.659074][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.659074][ T10] netlink_unicast+0x449/0x710 [ 2548.659074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.659074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.659074][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.659074][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.659074][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.659074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.659074][ T10] [ 2548.661701][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2548.663561][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2548.663561][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.663561][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.663561][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.663561][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.663561][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.663561][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.663561][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.663561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.663561][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.663561][ T10] netlink_unicast+0x449/0x710 [ 2548.663561][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.663561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.663561][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.663561][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.663561][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.663561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.663561][ T10] [ 2548.666725][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2548.666725][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.666725][ T10] ipv6_find_idev+0x102/0x170 [ 2548.666725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.666725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.666725][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.666725][ T10] netlink_unicast+0x449/0x710 [ 2548.666725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.666725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.666725][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.666725][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.666725][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.666725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.666725][ T10] [ 2548.669117][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2548.669117][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.669117][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.669117][ T10] ipv6_find_idev+0x102/0x170 [ 2548.669117][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.669117][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.669117][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.669117][ T10] netlink_unicast+0x449/0x710 [ 2548.669117][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.669117][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.669117][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.669117][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.669117][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.669117][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.669117][ T10] [ 2548.671749][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2548.672196][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2548.672196][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.672196][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.672196][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.672196][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.672196][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.672196][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.672196][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.672196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.672196][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.672196][ T10] netlink_unicast+0x449/0x710 [ 2548.672196][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.672196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.672196][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.672196][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.672196][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.672196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.672196][ T10] [ 2548.675480][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2548.675480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.675480][ T10] ipv6_find_idev+0x102/0x170 [ 2548.675480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.675480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.675480][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.675480][ T10] netlink_unicast+0x449/0x710 [ 2548.675480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.675480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.675480][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.675480][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.675480][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.675480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.675480][ T10] [ 2548.678027][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2548.678027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.678027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.678027][ T10] ipv6_find_idev+0x102/0x170 [ 2548.678027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.678027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.678027][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.678027][ T10] netlink_unicast+0x449/0x710 [ 2548.678027][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.678027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.678027][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.678027][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.678027][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.678027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.678027][ T10] [ 2548.680834][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2548.681284][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2548.681284][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.681284][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.681284][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.681284][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.681284][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.681284][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.681284][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.681284][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.681284][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.681284][ T10] netlink_unicast+0x449/0x710 [ 2548.681284][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.681284][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.681284][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.681284][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.681284][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.681284][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.681284][ T10] [ 2548.684571][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2548.684571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.684571][ T10] ipv6_find_idev+0x102/0x170 [ 2548.684571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.684571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.684571][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.684571][ T10] netlink_unicast+0x449/0x710 [ 2548.684571][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.684571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.684571][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.684571][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.684571][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.684571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.684571][ T10] [ 2548.687202][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2548.687202][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.687202][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.687202][ T10] ipv6_find_idev+0x102/0x170 [ 2548.687202][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.687202][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.687202][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.687202][ T10] netlink_unicast+0x449/0x710 [ 2548.687202][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.687202][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.687202][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.687202][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.687202][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.687202][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.687202][ T10] [ 2548.690379][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2548.690809][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2548.690809][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.690809][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.690809][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.690809][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.690809][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.690809][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.690809][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.690809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.690809][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.690809][ T10] netlink_unicast+0x449/0x710 [ 2548.690809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.690809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.690809][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.690809][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.690809][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.690809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.690809][ T10] [ 2548.694671][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2548.694671][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.694671][ T10] ipv6_find_idev+0x102/0x170 [ 2548.694671][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.694671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.694671][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.694671][ T10] netlink_unicast+0x449/0x710 [ 2548.694671][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.694671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.694671][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.694671][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.694671][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.694671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.694671][ T10] [ 2548.697538][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2548.697538][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.697538][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.697538][ T10] ipv6_find_idev+0x102/0x170 [ 2548.697538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.697538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.697538][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.697538][ T10] netlink_unicast+0x449/0x710 [ 2548.697538][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.697538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.697538][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.697538][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.697538][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.697538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.697538][ T10] [ 2548.700722][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2548.701266][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2548.701266][ T10] netdev_get_by_index+0x5e/0x80 [ 2548.701266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2548.701266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2548.701266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2548.701266][ T10] ipv6_add_addr+0x411/0x2000 [ 2548.701266][ T10] inet6_addr_add+0x30e/0xa40 [ 2548.701266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2548.701266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.701266][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.701266][ T10] netlink_unicast+0x449/0x710 [ 2548.701266][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.701266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.701266][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.701266][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.701266][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.701266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.701266][ T10] [ 2548.704703][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2548.704703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2548.704703][ T10] ipv6_find_idev+0x102/0x170 [ 2548.704703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.704703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.704703][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.704703][ T10] netlink_unicast+0x449/0x710 [ 2548.704703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.704703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.704703][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.704703][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.704703][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.704703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.704703][ T10] [ 2548.707421][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2548.707421][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2548.707421][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2548.707421][ T10] ipv6_find_idev+0x102/0x170 [ 2548.707421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2548.707421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2548.707421][ T10] netlink_rcv_skb+0x130/0x360 [ 2548.707421][ T10] netlink_unicast+0x449/0x710 [ 2548.707421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2548.707421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2548.707421][ T10] ___sys_sendmsg+0xee/0x170 [ 2548.707421][ T10] __sys_sendmsg+0xcd/0x170 [ 2548.707421][ T10] do_syscall_64+0xc6/0x1e0 [ 2548.707421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2548.707421][ T10] [ 2558.866876][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2558.867288][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2558.867288][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.867288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.867288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.867288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.867288][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.867288][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.867288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.867288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.867288][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.867288][ T10] netlink_unicast+0x449/0x710 [ 2558.867288][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.867288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.867288][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.867288][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.867288][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.867288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.867288][ T10] [ 2558.869299][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2558.869299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.869299][ T10] ipv6_find_idev+0x102/0x170 [ 2558.869299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.869299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.869299][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.869299][ T10] netlink_unicast+0x449/0x710 [ 2558.869299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.869299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.869299][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.869299][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.869299][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.869299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.869299][ T10] [ 2558.870835][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2558.870835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.870835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.870835][ T10] ipv6_find_idev+0x102/0x170 [ 2558.870835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.870835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.870835][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.870835][ T10] netlink_unicast+0x449/0x710 [ 2558.870835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.870835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.870835][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.870835][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.870835][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.870835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.870835][ T10] [ 2558.872538][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2558.872842][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2558.872842][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.872842][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.872842][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.872842][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.872842][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.872842][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.872842][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.872842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.872842][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.872842][ T10] netlink_unicast+0x449/0x710 [ 2558.872842][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.872842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.872842][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.872842][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.872842][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.872842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.872842][ T10] [ 2558.874835][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2558.874835][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.874835][ T10] ipv6_find_idev+0x102/0x170 [ 2558.874835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.874835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.874835][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.874835][ T10] netlink_unicast+0x449/0x710 [ 2558.874835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.874835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.874835][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.874835][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.874835][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.874835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.874835][ T10] [ 2558.876378][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2558.876378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.876378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.876378][ T10] ipv6_find_idev+0x102/0x170 [ 2558.876378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.876378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.876378][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.876378][ T10] netlink_unicast+0x449/0x710 [ 2558.876378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.876378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.876378][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.876378][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.876378][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.876378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.876378][ T10] [ 2558.878062][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2558.878332][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2558.878332][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.878332][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.878332][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.878332][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.878332][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.878332][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.878332][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.878332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.878332][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.878332][ T10] netlink_unicast+0x449/0x710 [ 2558.878332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.878332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.878332][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.878332][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.878332][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.878332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.878332][ T10] [ 2558.880323][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2558.880323][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.880323][ T10] ipv6_find_idev+0x102/0x170 [ 2558.880323][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.880323][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.880323][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.880323][ T10] netlink_unicast+0x449/0x710 [ 2558.880323][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.880323][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.880323][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.880323][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.880323][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.880323][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.880323][ T10] [ 2558.881878][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2558.881878][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.881878][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.881878][ T10] ipv6_find_idev+0x102/0x170 [ 2558.881878][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.881878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.881878][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.881878][ T10] netlink_unicast+0x449/0x710 [ 2558.881878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.881878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.881878][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.881878][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.881878][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.881878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.881878][ T10] [ 2558.883561][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2558.883830][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2558.883830][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.883830][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.883830][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.883830][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.883830][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.883830][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.883830][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.883830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.883830][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.883830][ T10] netlink_unicast+0x449/0x710 [ 2558.883830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.883830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.883830][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.883830][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.883830][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.883830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.883830][ T10] [ 2558.885839][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2558.885839][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.885839][ T10] ipv6_find_idev+0x102/0x170 [ 2558.885839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.885839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.885839][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.885839][ T10] netlink_unicast+0x449/0x710 [ 2558.885839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.885839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.885839][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.885839][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.885839][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.885839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.885839][ T10] [ 2558.887367][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2558.887367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.887367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.887367][ T10] ipv6_find_idev+0x102/0x170 [ 2558.887367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.887367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.887367][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.887367][ T10] netlink_unicast+0x449/0x710 [ 2558.887367][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.887367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.887367][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.887367][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.887367][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.887367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.887367][ T10] [ 2558.889447][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2558.890059][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2558.890059][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.890059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.890059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.890059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.890059][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.890059][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.890059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.890059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.890059][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.890059][ T10] netlink_unicast+0x449/0x710 [ 2558.890059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.890059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.890059][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.890059][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.890059][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.890059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.890059][ T10] [ 2558.892049][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2558.892049][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.892049][ T10] ipv6_find_idev+0x102/0x170 [ 2558.892049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.892049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.892049][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.892049][ T10] netlink_unicast+0x449/0x710 [ 2558.892049][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.892049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.892049][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.892049][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.892049][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.892049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.892049][ T10] [ 2558.893579][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2558.893579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.893579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.893579][ T10] ipv6_find_idev+0x102/0x170 [ 2558.893579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.893579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.893579][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.893579][ T10] netlink_unicast+0x449/0x710 [ 2558.893579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.893579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.893579][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.893579][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.893579][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.893579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.893579][ T10] [ 2558.895257][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2558.895524][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2558.895524][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.895524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.895524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.895524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.895524][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.895524][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.895524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.895524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.895524][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.895524][ T10] netlink_unicast+0x449/0x710 [ 2558.895524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.895524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.895524][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.895524][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.895524][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.895524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.895524][ T10] [ 2558.897509][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2558.897509][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.897509][ T10] ipv6_find_idev+0x102/0x170 [ 2558.897509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.897509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.897509][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.897509][ T10] netlink_unicast+0x449/0x710 [ 2558.897509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.897509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.897509][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.897509][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.897509][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.897509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.897509][ T10] [ 2558.899102][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2558.899102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.899102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.899102][ T10] ipv6_find_idev+0x102/0x170 [ 2558.899102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.899102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.899102][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.899102][ T10] netlink_unicast+0x449/0x710 [ 2558.899102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.899102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.899102][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.899102][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.899102][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.899102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.899102][ T10] [ 2558.901030][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2558.901348][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2558.901348][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.901348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.901348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.901348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.901348][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.901348][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.901348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.901348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.901348][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.901348][ T10] netlink_unicast+0x449/0x710 [ 2558.901348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.901348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.901348][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.901348][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.901348][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.901348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.901348][ T10] [ 2558.903522][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2558.903522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.903522][ T10] ipv6_find_idev+0x102/0x170 [ 2558.903522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.903522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.903522][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.903522][ T10] netlink_unicast+0x449/0x710 [ 2558.903522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.903522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.903522][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.903522][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.903522][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.903522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.903522][ T10] [ 2558.905293][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2558.905293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.905293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.905293][ T10] ipv6_find_idev+0x102/0x170 [ 2558.905293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.905293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.905293][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.905293][ T10] netlink_unicast+0x449/0x710 [ 2558.905293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.905293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.905293][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.905293][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.905293][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.905293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.905293][ T10] [ 2558.907269][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2558.907584][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2558.907584][ T10] netdev_get_by_index+0x5e/0x80 [ 2558.907584][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2558.907584][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2558.907584][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2558.907584][ T10] ipv6_add_addr+0x411/0x2000 [ 2558.907584][ T10] inet6_addr_add+0x30e/0xa40 [ 2558.907584][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2558.907584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.907584][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.907584][ T10] netlink_unicast+0x449/0x710 [ 2558.907584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.907584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.907584][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.907584][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.907584][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.907584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.907584][ T10] [ 2558.909745][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2558.909745][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2558.909745][ T10] ipv6_find_idev+0x102/0x170 [ 2558.909745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.909745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.909745][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.909745][ T10] netlink_unicast+0x449/0x710 [ 2558.909745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.909745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.909745][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.909745][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.909745][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.909745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.909745][ T10] [ 2558.911403][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2558.911403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2558.911403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2558.911403][ T10] ipv6_find_idev+0x102/0x170 [ 2558.911403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2558.911403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2558.911403][ T10] netlink_rcv_skb+0x130/0x360 [ 2558.911403][ T10] netlink_unicast+0x449/0x710 [ 2558.911403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2558.911403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2558.911403][ T10] ___sys_sendmsg+0xee/0x170 [ 2558.911403][ T10] __sys_sendmsg+0xcd/0x170 [ 2558.911403][ T10] do_syscall_64+0xc6/0x1e0 [ 2558.911403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2558.911403][ T10] [ 2569.155009][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2569.155413][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2569.155413][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.155413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.155413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.155413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.155413][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.155413][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.155413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.155413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.155413][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.155413][ T10] netlink_unicast+0x449/0x710 [ 2569.155413][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.155413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.155413][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.155413][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.155413][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.155413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.155413][ T10] [ 2569.157445][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2569.157445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.157445][ T10] ipv6_find_idev+0x102/0x170 [ 2569.157445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.157445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.157445][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.157445][ T10] netlink_unicast+0x449/0x710 [ 2569.157445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.157445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.157445][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.157445][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.157445][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.157445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.157445][ T10] [ 2569.158985][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2569.158985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.158985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.158985][ T10] ipv6_find_idev+0x102/0x170 [ 2569.158985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.158985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.158985][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.158985][ T10] netlink_unicast+0x449/0x710 [ 2569.158985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.158985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.158985][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.158985][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.158985][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.158985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.158985][ T10] [ 2569.160679][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2569.160990][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2569.160990][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.160990][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.160990][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.160990][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.160990][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.160990][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.160990][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.160990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.160990][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.160990][ T10] netlink_unicast+0x449/0x710 [ 2569.160990][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.160990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.160990][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.160990][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.160990][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.160990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.160990][ T10] [ 2569.162983][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2569.162983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.162983][ T10] ipv6_find_idev+0x102/0x170 [ 2569.162983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.162983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.162983][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.162983][ T10] netlink_unicast+0x449/0x710 [ 2569.162983][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.162983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.162983][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.162983][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.162983][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.162983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.162983][ T10] [ 2569.164513][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2569.164513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.164513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.164513][ T10] ipv6_find_idev+0x102/0x170 [ 2569.164513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.164513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.164513][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.164513][ T10] netlink_unicast+0x449/0x710 [ 2569.164513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.164513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.164513][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.164513][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.164513][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.164513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.164513][ T10] [ 2569.166186][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2569.166452][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2569.166452][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.166452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.166452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.166452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.166452][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.166452][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.166452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.166452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.166452][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.166452][ T10] netlink_unicast+0x449/0x710 [ 2569.166452][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.166452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.166452][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.166452][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.166452][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.166452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.166452][ T10] [ 2569.168435][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2569.168435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.168435][ T10] ipv6_find_idev+0x102/0x170 [ 2569.168435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.168435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.168435][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.168435][ T10] netlink_unicast+0x449/0x710 [ 2569.168435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.168435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.168435][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.168435][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.168435][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.168435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.168435][ T10] [ 2569.169960][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2569.169960][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.169960][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.169960][ T10] ipv6_find_idev+0x102/0x170 [ 2569.169960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.169960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.169960][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.169960][ T10] netlink_unicast+0x449/0x710 [ 2569.169960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.169960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.169960][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.169960][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.169960][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.169960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.169960][ T10] [ 2569.171645][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2569.172344][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2569.172344][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.172344][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.172344][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.172344][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.172344][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.172344][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.172344][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.172344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.172344][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.172344][ T10] netlink_unicast+0x449/0x710 [ 2569.172344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.172344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.172344][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.172344][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.172344][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.172344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.172344][ T10] [ 2569.174331][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2569.174331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.174331][ T10] ipv6_find_idev+0x102/0x170 [ 2569.174331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.174331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.174331][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.174331][ T10] netlink_unicast+0x449/0x710 [ 2569.174331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.174331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.174331][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.174331][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.174331][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.174331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.174331][ T10] [ 2569.175860][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2569.175860][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.175860][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.175860][ T10] ipv6_find_idev+0x102/0x170 [ 2569.175860][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.175860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.175860][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.175860][ T10] netlink_unicast+0x449/0x710 [ 2569.175860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.175860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.175860][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.175860][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.175860][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.175860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.175860][ T10] [ 2569.177577][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2569.177939][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2569.177939][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.177939][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.177939][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.177939][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.177939][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.177939][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.177939][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.177939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.177939][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.177939][ T10] netlink_unicast+0x449/0x710 [ 2569.177939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.177939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.177939][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.177939][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.177939][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.177939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.177939][ T10] [ 2569.179922][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2569.179922][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.179922][ T10] ipv6_find_idev+0x102/0x170 [ 2569.179922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.179922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.179922][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.179922][ T10] netlink_unicast+0x449/0x710 [ 2569.179922][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.179922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.179922][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.179922][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.179922][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.179922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.179922][ T10] [ 2569.181504][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2569.181504][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.181504][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.181504][ T10] ipv6_find_idev+0x102/0x170 [ 2569.181504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.181504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.181504][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.181504][ T10] netlink_unicast+0x449/0x710 [ 2569.181504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.181504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.181504][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.181504][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.181504][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.181504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.181504][ T10] [ 2569.183256][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2569.183574][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2569.183574][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.183574][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.183574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.183574][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.183574][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.183574][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.183574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.183574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.183574][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.183574][ T10] netlink_unicast+0x449/0x710 [ 2569.183574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.183574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.183574][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.183574][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.183574][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.183574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.183574][ T10] [ 2569.185558][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2569.185558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.185558][ T10] ipv6_find_idev+0x102/0x170 [ 2569.185558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.185558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.185558][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.185558][ T10] netlink_unicast+0x449/0x710 [ 2569.185558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.185558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.185558][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.185558][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.185558][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.185558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.185558][ T10] [ 2569.187269][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2569.187269][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.187269][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.187269][ T10] ipv6_find_idev+0x102/0x170 [ 2569.187269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.187269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.187269][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.187269][ T10] netlink_unicast+0x449/0x710 [ 2569.187269][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.187269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.187269][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.187269][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.187269][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.187269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.187269][ T10] [ 2569.189272][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2569.189585][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2569.189585][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.189585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.189585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.189585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.189585][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.189585][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.189585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.189585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.189585][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.189585][ T10] netlink_unicast+0x449/0x710 [ 2569.189585][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.189585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.189585][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.189585][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.189585][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.189585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.189585][ T10] [ 2569.191758][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2569.191758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.191758][ T10] ipv6_find_idev+0x102/0x170 [ 2569.191758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.191758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.191758][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.191758][ T10] netlink_unicast+0x449/0x710 [ 2569.191758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.191758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.191758][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.191758][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.191758][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.191758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.191758][ T10] [ 2569.193463][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2569.193463][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.193463][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.193463][ T10] ipv6_find_idev+0x102/0x170 [ 2569.193463][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.193463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.193463][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.193463][ T10] netlink_unicast+0x449/0x710 [ 2569.193463][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.193463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.193463][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.193463][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.193463][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.193463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.193463][ T10] [ 2569.195366][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2569.195675][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2569.195675][ T10] netdev_get_by_index+0x5e/0x80 [ 2569.195675][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2569.195675][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2569.195675][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2569.195675][ T10] ipv6_add_addr+0x411/0x2000 [ 2569.195675][ T10] inet6_addr_add+0x30e/0xa40 [ 2569.195675][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2569.195675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.195675][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.195675][ T10] netlink_unicast+0x449/0x710 [ 2569.195675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.195675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.195675][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.195675][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.195675][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.195675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.195675][ T10] [ 2569.197838][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2569.197838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2569.197838][ T10] ipv6_find_idev+0x102/0x170 [ 2569.197838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.197838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.197838][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.197838][ T10] netlink_unicast+0x449/0x710 [ 2569.197838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.197838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.197838][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.197838][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.197838][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.197838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.197838][ T10] [ 2569.199617][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2569.199617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2569.199617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2569.199617][ T10] ipv6_find_idev+0x102/0x170 [ 2569.199617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2569.199617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2569.199617][ T10] netlink_rcv_skb+0x130/0x360 [ 2569.199617][ T10] netlink_unicast+0x449/0x710 [ 2569.199617][ T10] netlink_sendmsg+0x723/0xbe0 [ 2569.199617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2569.199617][ T10] ___sys_sendmsg+0xee/0x170 [ 2569.199617][ T10] __sys_sendmsg+0xcd/0x170 [ 2569.199617][ T10] do_syscall_64+0xc6/0x1e0 [ 2569.199617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2569.199617][ T10] [ 2579.442971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2579.443405][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2579.443405][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.443405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.443405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.443405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.443405][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.443405][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.443405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.443405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.443405][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.443405][ T10] netlink_unicast+0x449/0x710 [ 2579.443405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.443405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.443405][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.443405][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.443405][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.443405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.443405][ T10] [ 2579.445596][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2579.445596][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.445596][ T10] ipv6_find_idev+0x102/0x170 [ 2579.445596][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.445596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.445596][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.445596][ T10] netlink_unicast+0x449/0x710 [ 2579.445596][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.445596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.445596][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.445596][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.445596][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.445596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.445596][ T10] [ 2579.447390][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2579.447390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.447390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.447390][ T10] ipv6_find_idev+0x102/0x170 [ 2579.447390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.447390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.447390][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.447390][ T10] netlink_unicast+0x449/0x710 [ 2579.447390][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.447390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.447390][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.447390][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.447390][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.447390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.447390][ T10] [ 2579.449092][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2579.449407][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2579.449407][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.449407][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.449407][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.449407][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.449407][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.449407][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.449407][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.449407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.449407][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.449407][ T10] netlink_unicast+0x449/0x710 [ 2579.449407][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.449407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.449407][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.449407][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.449407][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.449407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.449407][ T10] [ 2579.451580][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2579.451580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.451580][ T10] ipv6_find_idev+0x102/0x170 [ 2579.451580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.451580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.451580][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.451580][ T10] netlink_unicast+0x449/0x710 [ 2579.451580][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.451580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.451580][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.451580][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.451580][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.451580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.451580][ T10] [ 2579.453258][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2579.453258][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.453258][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.453258][ T10] ipv6_find_idev+0x102/0x170 [ 2579.453258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.453258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.453258][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.453258][ T10] netlink_unicast+0x449/0x710 [ 2579.453258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.453258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.453258][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.453258][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.453258][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.453258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.453258][ T10] [ 2579.455077][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2579.455364][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2579.455364][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.455364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.455364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.455364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.455364][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.455364][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.455364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.455364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.455364][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.455364][ T10] netlink_unicast+0x449/0x710 [ 2579.455364][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.455364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.455364][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.455364][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.455364][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.455364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.455364][ T10] [ 2579.457508][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2579.457508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.457508][ T10] ipv6_find_idev+0x102/0x170 [ 2579.457508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.457508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.457508][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.457508][ T10] netlink_unicast+0x449/0x710 [ 2579.457508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.457508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.457508][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.457508][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.457508][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.457508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.457508][ T10] [ 2579.459155][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2579.459155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.459155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.459155][ T10] ipv6_find_idev+0x102/0x170 [ 2579.459155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.459155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.459155][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.459155][ T10] netlink_unicast+0x449/0x710 [ 2579.459155][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.459155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.459155][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.459155][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.459155][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.459155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.459155][ T10] [ 2579.460893][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2579.461164][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2579.461164][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.461164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.461164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.461164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.461164][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.461164][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.461164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.461164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.461164][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.461164][ T10] netlink_unicast+0x449/0x710 [ 2579.461164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.461164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.461164][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.461164][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.461164][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.461164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.461164][ T10] [ 2579.463182][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2579.463182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.463182][ T10] ipv6_find_idev+0x102/0x170 [ 2579.463182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.463182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.463182][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.463182][ T10] netlink_unicast+0x449/0x710 [ 2579.463182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.463182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.463182][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.463182][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.463182][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.463182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.463182][ T10] [ 2579.464710][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2579.464710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.464710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.464710][ T10] ipv6_find_idev+0x102/0x170 [ 2579.464710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.464710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.464710][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.464710][ T10] netlink_unicast+0x449/0x710 [ 2579.464710][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.464710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.464710][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.464710][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.464710][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.464710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.464710][ T10] [ 2579.466864][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2579.467470][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2579.467470][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.467470][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.467470][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.467470][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.467470][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.467470][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.467470][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.467470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.467470][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.467470][ T10] netlink_unicast+0x449/0x710 [ 2579.467470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.467470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.467470][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.467470][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.467470][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.467470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.467470][ T10] [ 2579.469456][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2579.469456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.469456][ T10] ipv6_find_idev+0x102/0x170 [ 2579.469456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.469456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.469456][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.469456][ T10] netlink_unicast+0x449/0x710 [ 2579.469456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.469456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.469456][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.469456][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.469456][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.469456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.469456][ T10] [ 2579.470991][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2579.470991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.470991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.470991][ T10] ipv6_find_idev+0x102/0x170 [ 2579.470991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.470991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.470991][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.470991][ T10] netlink_unicast+0x449/0x710 [ 2579.470991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.470991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.470991][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.470991][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.470991][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.470991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.470991][ T10] [ 2579.472669][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2579.472989][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2579.472989][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.472989][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.472989][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.472989][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.472989][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.472989][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.472989][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.472989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.472989][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.472989][ T10] netlink_unicast+0x449/0x710 [ 2579.472989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.472989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.472989][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.472989][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.472989][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.472989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.472989][ T10] [ 2579.474974][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2579.474974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.474974][ T10] ipv6_find_idev+0x102/0x170 [ 2579.474974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.474974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.474974][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.474974][ T10] netlink_unicast+0x449/0x710 [ 2579.474974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.474974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.474974][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.474974][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.474974][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.474974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.474974][ T10] [ 2579.476502][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2579.476502][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.476502][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.476502][ T10] ipv6_find_idev+0x102/0x170 [ 2579.476502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.476502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.476502][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.476502][ T10] netlink_unicast+0x449/0x710 [ 2579.476502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.476502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.476502][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.476502][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.476502][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.476502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.476502][ T10] [ 2579.478509][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2579.478822][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2579.478822][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.478822][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.478822][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.478822][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.478822][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.478822][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.478822][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.478822][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.478822][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.478822][ T10] netlink_unicast+0x449/0x710 [ 2579.478822][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.478822][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.478822][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.478822][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.478822][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.478822][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.478822][ T10] [ 2579.480988][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2579.480988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.480988][ T10] ipv6_find_idev+0x102/0x170 [ 2579.480988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.480988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.480988][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.480988][ T10] netlink_unicast+0x449/0x710 [ 2579.480988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.480988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.480988][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.480988][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.480988][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.480988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.480988][ T10] [ 2579.482700][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2579.482700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.482700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.482700][ T10] ipv6_find_idev+0x102/0x170 [ 2579.482700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.482700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.482700][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.482700][ T10] netlink_unicast+0x449/0x710 [ 2579.482700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.482700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.482700][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.482700][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.482700][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.482700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.482700][ T10] [ 2579.484605][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2579.484923][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2579.484923][ T10] netdev_get_by_index+0x5e/0x80 [ 2579.484923][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2579.484923][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2579.484923][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2579.484923][ T10] ipv6_add_addr+0x411/0x2000 [ 2579.484923][ T10] inet6_addr_add+0x30e/0xa40 [ 2579.484923][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2579.484923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.484923][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.484923][ T10] netlink_unicast+0x449/0x710 [ 2579.484923][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.484923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.484923][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.484923][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.484923][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.484923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.484923][ T10] [ 2579.487095][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2579.487095][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2579.487095][ T10] ipv6_find_idev+0x102/0x170 [ 2579.487095][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.487095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.487095][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.487095][ T10] netlink_unicast+0x449/0x710 [ 2579.487095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.487095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.487095][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.487095][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.487095][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.487095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.487095][ T10] [ 2579.488818][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2579.488818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2579.488818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2579.488818][ T10] ipv6_find_idev+0x102/0x170 [ 2579.488818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2579.488818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2579.488818][ T10] netlink_rcv_skb+0x130/0x360 [ 2579.488818][ T10] netlink_unicast+0x449/0x710 [ 2579.488818][ T10] netlink_sendmsg+0x723/0xbe0 [ 2579.488818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2579.488818][ T10] ___sys_sendmsg+0xee/0x170 [ 2579.488818][ T10] __sys_sendmsg+0xcd/0x170 [ 2579.488818][ T10] do_syscall_64+0xc6/0x1e0 [ 2579.488818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2579.488818][ T10] [ 2589.730916][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2589.731339][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2589.731339][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.731339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.731339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.731339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.731339][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.731339][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.731339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.731339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.731339][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.731339][ T10] netlink_unicast+0x449/0x710 [ 2589.731339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.731339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.731339][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.731339][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.731339][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.731339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.731339][ T10] [ 2589.733397][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2589.733397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.733397][ T10] ipv6_find_idev+0x102/0x170 [ 2589.733397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.733397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.733397][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.733397][ T10] netlink_unicast+0x449/0x710 [ 2589.733397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.733397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.733397][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.733397][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.733397][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.733397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.733397][ T10] [ 2589.734980][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2589.734980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.734980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.734980][ T10] ipv6_find_idev+0x102/0x170 [ 2589.734980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.734980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.734980][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.734980][ T10] netlink_unicast+0x449/0x710 [ 2589.734980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.734980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.734980][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.734980][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.734980][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.734980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.734980][ T10] [ 2589.736708][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2589.737012][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2589.737012][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.737012][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.737012][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.737012][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.737012][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.737012][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.737012][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.737012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.737012][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.737012][ T10] netlink_unicast+0x449/0x710 [ 2589.737012][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.737012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.737012][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.737012][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.737012][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.737012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.737012][ T10] [ 2589.739070][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2589.739070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.739070][ T10] ipv6_find_idev+0x102/0x170 [ 2589.739070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.739070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.739070][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.739070][ T10] netlink_unicast+0x449/0x710 [ 2589.739070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.739070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.739070][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.739070][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.739070][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.739070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.739070][ T10] [ 2589.740651][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2589.740651][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.740651][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.740651][ T10] ipv6_find_idev+0x102/0x170 [ 2589.740651][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.740651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.740651][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.740651][ T10] netlink_unicast+0x449/0x710 [ 2589.740651][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.740651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.740651][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.740651][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.740651][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.740651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.740651][ T10] [ 2589.742908][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2589.743178][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2589.743178][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.743178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.743178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.743178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.743178][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.743178][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.743178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.743178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.743178][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.743178][ T10] netlink_unicast+0x449/0x710 [ 2589.743178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.743178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.743178][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.743178][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.743178][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.743178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.743178][ T10] [ 2589.745223][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2589.745223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.745223][ T10] ipv6_find_idev+0x102/0x170 [ 2589.745223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.745223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.745223][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.745223][ T10] netlink_unicast+0x449/0x710 [ 2589.745223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.745223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.745223][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.745223][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.745223][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.745223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.745223][ T10] [ 2589.746834][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2589.746834][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.746834][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.746834][ T10] ipv6_find_idev+0x102/0x170 [ 2589.746834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.746834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.746834][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.746834][ T10] netlink_unicast+0x449/0x710 [ 2589.746834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.746834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.746834][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.746834][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.746834][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.746834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.746834][ T10] [ 2589.748567][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2589.748854][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2589.748854][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.748854][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.748854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.748854][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.748854][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.748854][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.748854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.748854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.748854][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.748854][ T10] netlink_unicast+0x449/0x710 [ 2589.748854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.748854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.748854][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.748854][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.748854][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.748854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.748854][ T10] [ 2589.750890][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2589.750890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.750890][ T10] ipv6_find_idev+0x102/0x170 [ 2589.750890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.750890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.750890][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.750890][ T10] netlink_unicast+0x449/0x710 [ 2589.750890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.750890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.750890][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.750890][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.750890][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.750890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.750890][ T10] [ 2589.752440][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2589.752440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.752440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.752440][ T10] ipv6_find_idev+0x102/0x170 [ 2589.752440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.752440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.752440][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.752440][ T10] netlink_unicast+0x449/0x710 [ 2589.752440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.752440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.752440][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.752440][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.752440][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.752440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.752440][ T10] [ 2589.754561][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2589.755204][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2589.755204][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.755204][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.755204][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.755204][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.755204][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.755204][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.755204][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.755204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.755204][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.755204][ T10] netlink_unicast+0x449/0x710 [ 2589.755204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.755204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.755204][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.755204][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.755204][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.755204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.755204][ T10] [ 2589.757245][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2589.757245][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.757245][ T10] ipv6_find_idev+0x102/0x170 [ 2589.757245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.757245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.757245][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.757245][ T10] netlink_unicast+0x449/0x710 [ 2589.757245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.757245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.757245][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.757245][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.757245][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.757245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.757245][ T10] [ 2589.758814][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2589.758814][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.758814][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.758814][ T10] ipv6_find_idev+0x102/0x170 [ 2589.758814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.758814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.758814][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.758814][ T10] netlink_unicast+0x449/0x710 [ 2589.758814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.758814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.758814][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.758814][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.758814][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.758814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.758814][ T10] [ 2589.760944][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2589.761231][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2589.761231][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.761231][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.761231][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.761231][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.761231][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.761231][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.761231][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.761231][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.761231][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.761231][ T10] netlink_unicast+0x449/0x710 [ 2589.761231][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.761231][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.761231][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.761231][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.761231][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.761231][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.761231][ T10] [ 2589.763271][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2589.763271][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.763271][ T10] ipv6_find_idev+0x102/0x170 [ 2589.763271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.763271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.763271][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.763271][ T10] netlink_unicast+0x449/0x710 [ 2589.763271][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.763271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.763271][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.763271][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.763271][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.763271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.763271][ T10] [ 2589.764902][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2589.764902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.764902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.764902][ T10] ipv6_find_idev+0x102/0x170 [ 2589.764902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.764902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.764902][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.764902][ T10] netlink_unicast+0x449/0x710 [ 2589.764902][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.764902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.764902][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.764902][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.764902][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.764902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.764902][ T10] [ 2589.766931][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2589.767258][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2589.767258][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.767258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.767258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.767258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.767258][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.767258][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.767258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.767258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.767258][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.767258][ T10] netlink_unicast+0x449/0x710 [ 2589.767258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.767258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.767258][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.767258][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.767258][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.767258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.767258][ T10] [ 2589.769448][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2589.769448][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.769448][ T10] ipv6_find_idev+0x102/0x170 [ 2589.769448][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.769448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.769448][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.769448][ T10] netlink_unicast+0x449/0x710 [ 2589.769448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.769448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.769448][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.769448][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.769448][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.769448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.769448][ T10] [ 2589.771190][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2589.771190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.771190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.771190][ T10] ipv6_find_idev+0x102/0x170 [ 2589.771190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.771190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.771190][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.771190][ T10] netlink_unicast+0x449/0x710 [ 2589.771190][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.771190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.771190][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.771190][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.771190][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.771190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.771190][ T10] [ 2589.773178][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2589.773496][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2589.773496][ T10] netdev_get_by_index+0x5e/0x80 [ 2589.773496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2589.773496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2589.773496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2589.773496][ T10] ipv6_add_addr+0x411/0x2000 [ 2589.773496][ T10] inet6_addr_add+0x30e/0xa40 [ 2589.773496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2589.773496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.773496][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.773496][ T10] netlink_unicast+0x449/0x710 [ 2589.773496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.773496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.773496][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.773496][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.773496][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.773496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.773496][ T10] [ 2589.775829][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2589.775829][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2589.775829][ T10] ipv6_find_idev+0x102/0x170 [ 2589.775829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.775829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.775829][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.775829][ T10] netlink_unicast+0x449/0x710 [ 2589.775829][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.775829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.775829][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.775829][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.775829][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.775829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.775829][ T10] [ 2589.777499][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2589.777499][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2589.777499][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2589.777499][ T10] ipv6_find_idev+0x102/0x170 [ 2589.777499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2589.777499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2589.777499][ T10] netlink_rcv_skb+0x130/0x360 [ 2589.777499][ T10] netlink_unicast+0x449/0x710 [ 2589.777499][ T10] netlink_sendmsg+0x723/0xbe0 [ 2589.777499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2589.777499][ T10] ___sys_sendmsg+0xee/0x170 [ 2589.777499][ T10] __sys_sendmsg+0xcd/0x170 [ 2589.777499][ T10] do_syscall_64+0xc6/0x1e0 [ 2589.777499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2589.777499][ T10] [ 2600.338960][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2600.339496][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2600.339496][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.339496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.339496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.339496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.339496][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.339496][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.339496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.339496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.339496][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.339496][ T10] netlink_unicast+0x449/0x710 [ 2600.339496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.339496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.339496][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.339496][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.339496][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.339496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.339496][ T10] [ 2600.342613][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2600.342613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.342613][ T10] ipv6_find_idev+0x102/0x170 [ 2600.342613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.342613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.342613][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.342613][ T10] netlink_unicast+0x449/0x710 [ 2600.342613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.342613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.342613][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.342613][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.342613][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.342613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.342613][ T10] [ 2600.345002][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2600.345002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.345002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.345002][ T10] ipv6_find_idev+0x102/0x170 [ 2600.345002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.345002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.345002][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.345002][ T10] netlink_unicast+0x449/0x710 [ 2600.345002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.345002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.345002][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.345002][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.345002][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.345002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.345002][ T10] [ 2600.347626][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2600.348052][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2600.348052][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.348052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.348052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.348052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.348052][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.348052][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.348052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.348052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.348052][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.348052][ T10] netlink_unicast+0x449/0x710 [ 2600.348052][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.348052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.348052][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.348052][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.348052][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.348052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.348052][ T10] [ 2600.351558][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2600.351558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.351558][ T10] ipv6_find_idev+0x102/0x170 [ 2600.351558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.351558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.351558][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.351558][ T10] netlink_unicast+0x449/0x710 [ 2600.351558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.351558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.351558][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.351558][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.351558][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.351558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.351558][ T10] [ 2600.353948][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2600.353948][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.353948][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.353948][ T10] ipv6_find_idev+0x102/0x170 [ 2600.353948][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.353948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.353948][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.353948][ T10] netlink_unicast+0x449/0x710 [ 2600.353948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.353948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.353948][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.353948][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.353948][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.353948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.353948][ T10] [ 2600.356562][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2600.356986][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2600.356986][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.356986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.356986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.356986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.356986][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.356986][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.356986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.356986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.356986][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.356986][ T10] netlink_unicast+0x449/0x710 [ 2600.356986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.356986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.356986][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.356986][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.356986][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.356986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.356986][ T10] [ 2600.360087][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2600.360087][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.360087][ T10] ipv6_find_idev+0x102/0x170 [ 2600.360087][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.360087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.360087][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.360087][ T10] netlink_unicast+0x449/0x710 [ 2600.360087][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.360087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.360087][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.360087][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.360087][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.360087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.360087][ T10] [ 2600.362484][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2600.362484][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.362484][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.362484][ T10] ipv6_find_idev+0x102/0x170 [ 2600.362484][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.362484][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.362484][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.362484][ T10] netlink_unicast+0x449/0x710 [ 2600.362484][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.362484][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.362484][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.362484][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.362484][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.362484][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.362484][ T10] [ 2600.365091][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2600.365500][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2600.365500][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.365500][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.365500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.365500][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.365500][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.365500][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.365500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.365500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.365500][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.365500][ T10] netlink_unicast+0x449/0x710 [ 2600.365500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.365500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.365500][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.365500][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.365500][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.365500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.365500][ T10] [ 2600.368594][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2600.368594][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.368594][ T10] ipv6_find_idev+0x102/0x170 [ 2600.368594][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.368594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.368594][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.368594][ T10] netlink_unicast+0x449/0x710 [ 2600.368594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.368594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.368594][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.368594][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.368594][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.368594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.368594][ T10] [ 2600.370985][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2600.370985][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.370985][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.370985][ T10] ipv6_find_idev+0x102/0x170 [ 2600.370985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.370985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.370985][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.370985][ T10] netlink_unicast+0x449/0x710 [ 2600.370985][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.370985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.370985][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.370985][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.370985][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.370985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.370985][ T10] [ 2600.374360][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2600.374768][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2600.374768][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.374768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.374768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.374768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.374768][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.374768][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.374768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.374768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.374768][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.374768][ T10] netlink_unicast+0x449/0x710 [ 2600.374768][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.374768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.374768][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.374768][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.374768][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.374768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.374768][ T10] [ 2600.377859][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2600.377859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.377859][ T10] ipv6_find_idev+0x102/0x170 [ 2600.377859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.377859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.377859][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.377859][ T10] netlink_unicast+0x449/0x710 [ 2600.377859][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.377859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.377859][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.377859][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.377859][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.377859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.377859][ T10] [ 2600.380240][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2600.380240][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.380240][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.380240][ T10] ipv6_find_idev+0x102/0x170 [ 2600.380240][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.380240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.380240][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.380240][ T10] netlink_unicast+0x449/0x710 [ 2600.380240][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.380240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.380240][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.380240][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.380240][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.380240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.380240][ T10] [ 2600.382947][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2600.383356][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2600.383356][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.383356][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.383356][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.383356][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.383356][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.383356][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.383356][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.383356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.383356][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.383356][ T10] netlink_unicast+0x449/0x710 [ 2600.383356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.383356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.383356][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.383356][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.383356][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.383356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.383356][ T10] [ 2600.386665][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2600.386665][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.386665][ T10] ipv6_find_idev+0x102/0x170 [ 2600.386665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.386665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.386665][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.386665][ T10] netlink_unicast+0x449/0x710 [ 2600.386665][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.386665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.386665][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.386665][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.386665][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.386665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.386665][ T10] [ 2600.389386][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2600.389386][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.389386][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.389386][ T10] ipv6_find_idev+0x102/0x170 [ 2600.389386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.389386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.389386][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.389386][ T10] netlink_unicast+0x449/0x710 [ 2600.389386][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.389386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.389386][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.389386][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.389386][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.389386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.389386][ T10] [ 2600.392526][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2600.393029][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2600.393029][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.393029][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.393029][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.393029][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.393029][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.393029][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.393029][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.393029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.393029][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.393029][ T10] netlink_unicast+0x449/0x710 [ 2600.393029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.393029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.393029][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.393029][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.393029][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.393029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.393029][ T10] [ 2600.396386][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2600.396386][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.396386][ T10] ipv6_find_idev+0x102/0x170 [ 2600.396386][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.396386][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.396386][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.396386][ T10] netlink_unicast+0x449/0x710 [ 2600.396386][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.396386][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.396386][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.396386][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.396386][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.396386][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.396386][ T10] [ 2600.399100][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2600.399100][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.399100][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.399100][ T10] ipv6_find_idev+0x102/0x170 [ 2600.399100][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.399100][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.399100][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.399100][ T10] netlink_unicast+0x449/0x710 [ 2600.399100][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.399100][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.399100][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.399100][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.399100][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.399100][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.399100][ T10] [ 2600.402234][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2600.402654][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2600.402654][ T10] netdev_get_by_index+0x5e/0x80 [ 2600.402654][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2600.402654][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2600.402654][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2600.402654][ T10] ipv6_add_addr+0x411/0x2000 [ 2600.402654][ T10] inet6_addr_add+0x30e/0xa40 [ 2600.402654][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2600.402654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.402654][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.402654][ T10] netlink_unicast+0x449/0x710 [ 2600.402654][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.402654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.402654][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.402654][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.402654][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.402654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.402654][ T10] [ 2600.406075][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2600.406075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2600.406075][ T10] ipv6_find_idev+0x102/0x170 [ 2600.406075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.406075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.406075][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.406075][ T10] netlink_unicast+0x449/0x710 [ 2600.406075][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.406075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.406075][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.406075][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.406075][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.406075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.406075][ T10] [ 2600.408909][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2600.408909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2600.408909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2600.408909][ T10] ipv6_find_idev+0x102/0x170 [ 2600.408909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2600.408909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2600.408909][ T10] netlink_rcv_skb+0x130/0x360 [ 2600.408909][ T10] netlink_unicast+0x449/0x710 [ 2600.408909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2600.408909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2600.408909][ T10] ___sys_sendmsg+0xee/0x170 [ 2600.408909][ T10] __sys_sendmsg+0xcd/0x170 [ 2600.408909][ T10] do_syscall_64+0xc6/0x1e0 [ 2600.408909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2600.408909][ T10] [ 2610.427020][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2610.427421][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2610.427421][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.427421][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.427421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.427421][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.427421][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.427421][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.427421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.427421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.427421][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.427421][ T10] netlink_unicast+0x449/0x710 [ 2610.427421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.427421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.427421][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.427421][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.427421][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.427421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.427421][ T10] [ 2610.429418][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2610.429418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.429418][ T10] ipv6_find_idev+0x102/0x170 [ 2610.429418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.429418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.429418][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.429418][ T10] netlink_unicast+0x449/0x710 [ 2610.429418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.429418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.429418][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.429418][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.429418][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.429418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.429418][ T10] [ 2610.431010][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2610.431010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.431010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.431010][ T10] ipv6_find_idev+0x102/0x170 [ 2610.431010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.431010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.431010][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.431010][ T10] netlink_unicast+0x449/0x710 [ 2610.431010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.431010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.431010][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.431010][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.431010][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.431010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.431010][ T10] [ 2610.432740][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2610.433026][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2610.433026][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.433026][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.433026][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.433026][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.433026][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.433026][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.433026][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.433026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.433026][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.433026][ T10] netlink_unicast+0x449/0x710 [ 2610.433026][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.433026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.433026][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.433026][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.433026][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.433026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.433026][ T10] [ 2610.435071][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2610.435071][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.435071][ T10] ipv6_find_idev+0x102/0x170 [ 2610.435071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.435071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.435071][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.435071][ T10] netlink_unicast+0x449/0x710 [ 2610.435071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.435071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.435071][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.435071][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.435071][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.435071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.435071][ T10] [ 2610.436646][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2610.436646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.436646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.436646][ T10] ipv6_find_idev+0x102/0x170 [ 2610.436646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.436646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.436646][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.436646][ T10] netlink_unicast+0x449/0x710 [ 2610.436646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.436646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.436646][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.436646][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.436646][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.436646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.436646][ T10] [ 2610.438382][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2610.438645][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2610.438645][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.438645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.438645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.438645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.438645][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.438645][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.438645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.438645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.438645][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.438645][ T10] netlink_unicast+0x449/0x710 [ 2610.438645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.438645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.438645][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.438645][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.438645][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.438645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.438645][ T10] [ 2610.440634][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2610.440634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.440634][ T10] ipv6_find_idev+0x102/0x170 [ 2610.440634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.440634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.440634][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.440634][ T10] netlink_unicast+0x449/0x710 [ 2610.440634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.440634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.440634][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.440634][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.440634][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.440634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.440634][ T10] [ 2610.442209][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2610.442209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.442209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.442209][ T10] ipv6_find_idev+0x102/0x170 [ 2610.442209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.442209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.442209][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.442209][ T10] netlink_unicast+0x449/0x710 [ 2610.442209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.442209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.442209][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.442209][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.442209][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.442209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.442209][ T10] [ 2610.443886][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2610.444152][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2610.444152][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.444152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.444152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.444152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.444152][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.444152][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.444152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.444152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.444152][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.444152][ T10] netlink_unicast+0x449/0x710 [ 2610.444152][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.444152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.444152][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.444152][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.444152][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.444152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.444152][ T10] [ 2610.446126][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2610.446126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.446126][ T10] ipv6_find_idev+0x102/0x170 [ 2610.446126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.446126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.446126][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.446126][ T10] netlink_unicast+0x449/0x710 [ 2610.446126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.446126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.446126][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.446126][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.446126][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.446126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.446126][ T10] [ 2610.447664][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2610.447664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.447664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.447664][ T10] ipv6_find_idev+0x102/0x170 [ 2610.447664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.447664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.447664][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.447664][ T10] netlink_unicast+0x449/0x710 [ 2610.447664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.447664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.447664][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.447664][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.447664][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.447664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.447664][ T10] [ 2610.449732][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2610.450333][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2610.450333][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.450333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.450333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.450333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.450333][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.450333][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.450333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.450333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.450333][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.450333][ T10] netlink_unicast+0x449/0x710 [ 2610.450333][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.450333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.450333][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.450333][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.450333][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.450333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.450333][ T10] [ 2610.452311][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2610.452311][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.452311][ T10] ipv6_find_idev+0x102/0x170 [ 2610.452311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.452311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.452311][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.452311][ T10] netlink_unicast+0x449/0x710 [ 2610.452311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.452311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.452311][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.452311][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.452311][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.452311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.452311][ T10] [ 2610.453831][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2610.453831][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.453831][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.453831][ T10] ipv6_find_idev+0x102/0x170 [ 2610.453831][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.453831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.453831][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.453831][ T10] netlink_unicast+0x449/0x710 [ 2610.453831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.453831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.453831][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.453831][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.453831][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.453831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.453831][ T10] [ 2610.455498][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2610.455764][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2610.455764][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.455764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.455764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.455764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.455764][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.455764][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.455764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.455764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.455764][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.455764][ T10] netlink_unicast+0x449/0x710 [ 2610.455764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.455764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.455764][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.455764][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.455764][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.455764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.455764][ T10] [ 2610.457743][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2610.457743][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.457743][ T10] ipv6_find_idev+0x102/0x170 [ 2610.457743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.457743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.457743][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.457743][ T10] netlink_unicast+0x449/0x710 [ 2610.457743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.457743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.457743][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.457743][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.457743][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.457743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.457743][ T10] [ 2610.459341][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2610.459341][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.459341][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.459341][ T10] ipv6_find_idev+0x102/0x170 [ 2610.459341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.459341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.459341][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.459341][ T10] netlink_unicast+0x449/0x710 [ 2610.459341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.459341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.459341][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.459341][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.459341][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.459341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.459341][ T10] [ 2610.461274][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2610.461586][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2610.461586][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.461586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.461586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.461586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.461586][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.461586][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.461586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.461586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.461586][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.461586][ T10] netlink_unicast+0x449/0x710 [ 2610.461586][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.461586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.461586][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.461586][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.461586][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.461586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.461586][ T10] [ 2610.463750][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2610.463750][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.463750][ T10] ipv6_find_idev+0x102/0x170 [ 2610.463750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.463750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.463750][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.463750][ T10] netlink_unicast+0x449/0x710 [ 2610.463750][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.463750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.463750][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.463750][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.463750][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.463750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.463750][ T10] [ 2610.465513][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2610.465513][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.465513][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.465513][ T10] ipv6_find_idev+0x102/0x170 [ 2610.465513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.465513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.465513][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.465513][ T10] netlink_unicast+0x449/0x710 [ 2610.465513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.465513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.465513][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.465513][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.465513][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.465513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.465513][ T10] [ 2610.467482][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2610.467794][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2610.467794][ T10] netdev_get_by_index+0x5e/0x80 [ 2610.467794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2610.467794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2610.467794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2610.467794][ T10] ipv6_add_addr+0x411/0x2000 [ 2610.467794][ T10] inet6_addr_add+0x30e/0xa40 [ 2610.467794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2610.467794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.467794][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.467794][ T10] netlink_unicast+0x449/0x710 [ 2610.467794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.467794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.467794][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.467794][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.467794][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.467794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.467794][ T10] [ 2610.469925][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2610.469925][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2610.469925][ T10] ipv6_find_idev+0x102/0x170 [ 2610.469925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.469925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.469925][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.469925][ T10] netlink_unicast+0x449/0x710 [ 2610.469925][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.469925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.469925][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.469925][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.469925][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.469925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.469925][ T10] [ 2610.471617][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2610.471617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2610.471617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2610.471617][ T10] ipv6_find_idev+0x102/0x170 [ 2610.471617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2610.471617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2610.471617][ T10] netlink_rcv_skb+0x130/0x360 [ 2610.471617][ T10] netlink_unicast+0x449/0x710 [ 2610.471617][ T10] netlink_sendmsg+0x723/0xbe0 [ 2610.471617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2610.471617][ T10] ___sys_sendmsg+0xee/0x170 [ 2610.471617][ T10] __sys_sendmsg+0xcd/0x170 [ 2610.471617][ T10] do_syscall_64+0xc6/0x1e0 [ 2610.471617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2610.471617][ T10] [ 2620.715061][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2620.715464][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2620.715464][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.715464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.715464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.715464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.715464][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.715464][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.715464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.715464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.715464][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.715464][ T10] netlink_unicast+0x449/0x710 [ 2620.715464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.715464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.715464][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.715464][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.715464][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.715464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.715464][ T10] [ 2620.717480][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2620.717480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.717480][ T10] ipv6_find_idev+0x102/0x170 [ 2620.717480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.717480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.717480][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.717480][ T10] netlink_unicast+0x449/0x710 [ 2620.717480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.717480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.717480][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.717480][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.717480][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.717480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.717480][ T10] [ 2620.719058][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2620.719058][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.719058][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.719058][ T10] ipv6_find_idev+0x102/0x170 [ 2620.719058][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.719058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.719058][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.719058][ T10] netlink_unicast+0x449/0x710 [ 2620.719058][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.719058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.719058][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.719058][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.719058][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.719058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.719058][ T10] [ 2620.720795][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2620.721089][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2620.721089][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.721089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.721089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.721089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.721089][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.721089][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.721089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.721089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.721089][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.721089][ T10] netlink_unicast+0x449/0x710 [ 2620.721089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.721089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.721089][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.721089][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.721089][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.721089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.721089][ T10] [ 2620.723106][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2620.723106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.723106][ T10] ipv6_find_idev+0x102/0x170 [ 2620.723106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.723106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.723106][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.723106][ T10] netlink_unicast+0x449/0x710 [ 2620.723106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.723106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.723106][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.723106][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.723106][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.723106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.723106][ T10] [ 2620.724641][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2620.724641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.724641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.724641][ T10] ipv6_find_idev+0x102/0x170 [ 2620.724641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.724641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.724641][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.724641][ T10] netlink_unicast+0x449/0x710 [ 2620.724641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.724641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.724641][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.724641][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.724641][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.724641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.724641][ T10] [ 2620.726330][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2620.726594][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2620.726594][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.726594][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.726594][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.726594][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.726594][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.726594][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.726594][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.726594][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.726594][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.726594][ T10] netlink_unicast+0x449/0x710 [ 2620.726594][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.726594][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.726594][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.726594][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.726594][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.726594][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.726594][ T10] [ 2620.728592][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2620.728592][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.728592][ T10] ipv6_find_idev+0x102/0x170 [ 2620.728592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.728592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.728592][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.728592][ T10] netlink_unicast+0x449/0x710 [ 2620.728592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.728592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.728592][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.728592][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.728592][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.728592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.728592][ T10] [ 2620.730165][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2620.730165][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.730165][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.730165][ T10] ipv6_find_idev+0x102/0x170 [ 2620.730165][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.730165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.730165][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.730165][ T10] netlink_unicast+0x449/0x710 [ 2620.730165][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.730165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.730165][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.730165][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.730165][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.730165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.730165][ T10] [ 2620.731903][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2620.732214][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2620.732214][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.732214][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.732214][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.732214][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.732214][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.732214][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.732214][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.732214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.732214][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.732214][ T10] netlink_unicast+0x449/0x710 [ 2620.732214][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.732214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.732214][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.732214][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.732214][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.732214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.732214][ T10] [ 2620.734206][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2620.734206][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.734206][ T10] ipv6_find_idev+0x102/0x170 [ 2620.734206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.734206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.734206][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.734206][ T10] netlink_unicast+0x449/0x710 [ 2620.734206][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.734206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.734206][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.734206][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.734206][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.734206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.734206][ T10] [ 2620.735745][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2620.735745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.735745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.735745][ T10] ipv6_find_idev+0x102/0x170 [ 2620.735745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.735745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.735745][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.735745][ T10] netlink_unicast+0x449/0x710 [ 2620.735745][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.735745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.735745][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.735745][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.735745][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.735745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.735745][ T10] [ 2620.737461][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2620.737771][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2620.737771][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.737771][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.737771][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.737771][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.737771][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.737771][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.737771][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.737771][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.737771][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.737771][ T10] netlink_unicast+0x449/0x710 [ 2620.737771][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.737771][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.737771][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.737771][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.737771][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.737771][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.737771][ T10] [ 2620.739752][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2620.739752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.739752][ T10] ipv6_find_idev+0x102/0x170 [ 2620.739752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.739752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.739752][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.739752][ T10] netlink_unicast+0x449/0x710 [ 2620.739752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.739752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.739752][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.739752][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.739752][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.739752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.739752][ T10] [ 2620.741300][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2620.741300][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.741300][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.741300][ T10] ipv6_find_idev+0x102/0x170 [ 2620.741300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.741300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.741300][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.741300][ T10] netlink_unicast+0x449/0x710 [ 2620.741300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.741300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.741300][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.741300][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.741300][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.741300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.741300][ T10] [ 2620.743136][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2620.743445][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2620.743445][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.743445][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.743445][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.743445][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.743445][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.743445][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.743445][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.743445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.743445][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.743445][ T10] netlink_unicast+0x449/0x710 [ 2620.743445][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.743445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.743445][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.743445][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.743445][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.743445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.743445][ T10] [ 2620.745668][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2620.745668][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.745668][ T10] ipv6_find_idev+0x102/0x170 [ 2620.745668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.745668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.745668][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.745668][ T10] netlink_unicast+0x449/0x710 [ 2620.745668][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.745668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.745668][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.745668][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.745668][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.745668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.745668][ T10] [ 2620.747409][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2620.747409][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.747409][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.747409][ T10] ipv6_find_idev+0x102/0x170 [ 2620.747409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.747409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.747409][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.747409][ T10] netlink_unicast+0x449/0x710 [ 2620.747409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.747409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.747409][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.747409][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.747409][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.747409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.747409][ T10] [ 2620.749389][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2620.749733][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2620.749733][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.749733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.749733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.749733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.749733][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.749733][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.749733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.749733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.749733][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.749733][ T10] netlink_unicast+0x449/0x710 [ 2620.749733][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.749733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.749733][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.749733][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.749733][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.749733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.749733][ T10] [ 2620.751929][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2620.751929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.751929][ T10] ipv6_find_idev+0x102/0x170 [ 2620.751929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.751929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.751929][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.751929][ T10] netlink_unicast+0x449/0x710 [ 2620.751929][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.751929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.751929][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.751929][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.751929][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.751929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.751929][ T10] [ 2620.753644][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2620.753644][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.753644][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.753644][ T10] ipv6_find_idev+0x102/0x170 [ 2620.753644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.753644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.753644][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.753644][ T10] netlink_unicast+0x449/0x710 [ 2620.753644][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.753644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.753644][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.753644][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.753644][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.753644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.753644][ T10] [ 2620.755640][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2620.755967][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2620.755967][ T10] netdev_get_by_index+0x5e/0x80 [ 2620.755967][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2620.755967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2620.755967][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2620.755967][ T10] ipv6_add_addr+0x411/0x2000 [ 2620.755967][ T10] inet6_addr_add+0x30e/0xa40 [ 2620.755967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2620.755967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.755967][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.755967][ T10] netlink_unicast+0x449/0x710 [ 2620.755967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.755967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.755967][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.755967][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.755967][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.755967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.755967][ T10] [ 2620.758130][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2620.758130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2620.758130][ T10] ipv6_find_idev+0x102/0x170 [ 2620.758130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.758130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.758130][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.758130][ T10] netlink_unicast+0x449/0x710 [ 2620.758130][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.758130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.758130][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.758130][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.758130][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.758130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.758130][ T10] [ 2620.759833][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2620.759833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2620.759833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2620.759833][ T10] ipv6_find_idev+0x102/0x170 [ 2620.759833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2620.759833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2620.759833][ T10] netlink_rcv_skb+0x130/0x360 [ 2620.759833][ T10] netlink_unicast+0x449/0x710 [ 2620.759833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2620.759833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2620.759833][ T10] ___sys_sendmsg+0xee/0x170 [ 2620.759833][ T10] __sys_sendmsg+0xcd/0x170 [ 2620.759833][ T10] do_syscall_64+0xc6/0x1e0 [ 2620.759833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2620.759833][ T10] [ 2631.002976][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2631.003394][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2631.003394][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.003394][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.003394][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.003394][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.003394][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.003394][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.003394][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.003394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.003394][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.003394][ T10] netlink_unicast+0x449/0x710 [ 2631.003394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.003394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.003394][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.003394][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.003394][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.003394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.003394][ T10] [ 2631.005399][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2631.005399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.005399][ T10] ipv6_find_idev+0x102/0x170 [ 2631.005399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.005399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.005399][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.005399][ T10] netlink_unicast+0x449/0x710 [ 2631.005399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.005399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.005399][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.005399][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.005399][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.005399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.005399][ T10] [ 2631.006926][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2631.006926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.006926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.006926][ T10] ipv6_find_idev+0x102/0x170 [ 2631.006926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.006926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.006926][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.006926][ T10] netlink_unicast+0x449/0x710 [ 2631.006926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.006926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.006926][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.006926][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.006926][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.006926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.006926][ T10] [ 2631.008615][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2631.008901][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2631.008901][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.008901][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.008901][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.008901][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.008901][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.008901][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.008901][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.008901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.008901][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.008901][ T10] netlink_unicast+0x449/0x710 [ 2631.008901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.008901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.008901][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.008901][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.008901][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.008901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.008901][ T10] [ 2631.010889][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2631.010889][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.010889][ T10] ipv6_find_idev+0x102/0x170 [ 2631.010889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.010889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.010889][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.010889][ T10] netlink_unicast+0x449/0x710 [ 2631.010889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.010889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.010889][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.010889][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.010889][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.010889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.010889][ T10] [ 2631.012423][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2631.012423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.012423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.012423][ T10] ipv6_find_idev+0x102/0x170 [ 2631.012423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.012423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.012423][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.012423][ T10] netlink_unicast+0x449/0x710 [ 2631.012423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.012423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.012423][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.012423][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.012423][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.012423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.012423][ T10] [ 2631.014103][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2631.014368][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2631.014368][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.014368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.014368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.014368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.014368][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.014368][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.014368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.014368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.014368][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.014368][ T10] netlink_unicast+0x449/0x710 [ 2631.014368][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.014368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.014368][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.014368][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.014368][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.014368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.014368][ T10] [ 2631.016359][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2631.016359][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.016359][ T10] ipv6_find_idev+0x102/0x170 [ 2631.016359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.016359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.016359][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.016359][ T10] netlink_unicast+0x449/0x710 [ 2631.016359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.016359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.016359][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.016359][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.016359][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.016359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.016359][ T10] [ 2631.017900][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2631.017900][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.017900][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.017900][ T10] ipv6_find_idev+0x102/0x170 [ 2631.017900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.017900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.017900][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.017900][ T10] netlink_unicast+0x449/0x710 [ 2631.017900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.017900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.017900][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.017900][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.017900][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.017900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.017900][ T10] [ 2631.019566][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2631.019870][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2631.019870][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.019870][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.019870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.019870][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.019870][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.019870][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.019870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.019870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.019870][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.019870][ T10] netlink_unicast+0x449/0x710 [ 2631.019870][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.019870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.019870][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.019870][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.019870][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.019870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.019870][ T10] [ 2631.021890][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2631.021890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.021890][ T10] ipv6_find_idev+0x102/0x170 [ 2631.021890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.021890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.021890][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.021890][ T10] netlink_unicast+0x449/0x710 [ 2631.021890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.021890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.021890][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.021890][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.021890][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.021890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.021890][ T10] [ 2631.023440][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2631.023440][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.023440][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.023440][ T10] ipv6_find_idev+0x102/0x170 [ 2631.023440][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.023440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.023440][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.023440][ T10] netlink_unicast+0x449/0x710 [ 2631.023440][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.023440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.023440][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.023440][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.023440][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.023440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.023440][ T10] [ 2631.025172][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2631.025482][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2631.025482][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.025482][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.025482][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.025482][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.025482][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.025482][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.025482][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.025482][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.025482][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.025482][ T10] netlink_unicast+0x449/0x710 [ 2631.025482][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.025482][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.025482][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.025482][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.025482][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.025482][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.025482][ T10] [ 2631.027504][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2631.027504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.027504][ T10] ipv6_find_idev+0x102/0x170 [ 2631.027504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.027504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.027504][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.027504][ T10] netlink_unicast+0x449/0x710 [ 2631.027504][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.027504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.027504][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.027504][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.027504][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.027504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.027504][ T10] [ 2631.029103][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2631.029103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.029103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.029103][ T10] ipv6_find_idev+0x102/0x170 [ 2631.029103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.029103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.029103][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.029103][ T10] netlink_unicast+0x449/0x710 [ 2631.029103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.029103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.029103][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.029103][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.029103][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.029103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.029103][ T10] [ 2631.030978][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2631.031286][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2631.031286][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.031286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.031286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.031286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.031286][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.031286][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.031286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.031286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.031286][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.031286][ T10] netlink_unicast+0x449/0x710 [ 2631.031286][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.031286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.031286][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.031286][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.031286][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.031286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.031286][ T10] [ 2631.033502][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2631.033502][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.033502][ T10] ipv6_find_idev+0x102/0x170 [ 2631.033502][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.033502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.033502][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.033502][ T10] netlink_unicast+0x449/0x710 [ 2631.033502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.033502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.033502][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.033502][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.033502][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.033502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.033502][ T10] [ 2631.035204][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2631.035204][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.035204][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.035204][ T10] ipv6_find_idev+0x102/0x170 [ 2631.035204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.035204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.035204][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.035204][ T10] netlink_unicast+0x449/0x710 [ 2631.035204][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.035204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.035204][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.035204][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.035204][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.035204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.035204][ T10] [ 2631.037089][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2631.037409][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2631.037409][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.037409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.037409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.037409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.037409][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.037409][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.037409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.037409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.037409][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.037409][ T10] netlink_unicast+0x449/0x710 [ 2631.037409][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.037409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.037409][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.037409][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.037409][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.037409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.037409][ T10] [ 2631.039574][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2631.039574][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.039574][ T10] ipv6_find_idev+0x102/0x170 [ 2631.039574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.039574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.039574][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.039574][ T10] netlink_unicast+0x449/0x710 [ 2631.039574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.039574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.039574][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.039574][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.039574][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.039574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.039574][ T10] [ 2631.041288][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2631.041288][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.041288][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.041288][ T10] ipv6_find_idev+0x102/0x170 [ 2631.041288][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.041288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.041288][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.041288][ T10] netlink_unicast+0x449/0x710 [ 2631.041288][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.041288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.041288][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.041288][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.041288][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.041288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.041288][ T10] [ 2631.043300][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2631.043611][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2631.043611][ T10] netdev_get_by_index+0x5e/0x80 [ 2631.043611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2631.043611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2631.043611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2631.043611][ T10] ipv6_add_addr+0x411/0x2000 [ 2631.043611][ T10] inet6_addr_add+0x30e/0xa40 [ 2631.043611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2631.043611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.043611][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.043611][ T10] netlink_unicast+0x449/0x710 [ 2631.043611][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.043611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.043611][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.043611][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.043611][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.043611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.043611][ T10] [ 2631.045766][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2631.045766][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2631.045766][ T10] ipv6_find_idev+0x102/0x170 [ 2631.045766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.045766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.045766][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.045766][ T10] netlink_unicast+0x449/0x710 [ 2631.045766][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.045766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.045766][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.045766][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.045766][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.045766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.045766][ T10] [ 2631.047478][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2631.047478][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2631.047478][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2631.047478][ T10] ipv6_find_idev+0x102/0x170 [ 2631.047478][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2631.047478][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2631.047478][ T10] netlink_rcv_skb+0x130/0x360 [ 2631.047478][ T10] netlink_unicast+0x449/0x710 [ 2631.047478][ T10] netlink_sendmsg+0x723/0xbe0 [ 2631.047478][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2631.047478][ T10] ___sys_sendmsg+0xee/0x170 [ 2631.047478][ T10] __sys_sendmsg+0xcd/0x170 [ 2631.047478][ T10] do_syscall_64+0xc6/0x1e0 [ 2631.047478][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2631.047478][ T10] [ 2641.290891][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2641.291371][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2641.291371][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.291371][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.291371][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.291371][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.291371][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.291371][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.291371][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.291371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.291371][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.291371][ T10] netlink_unicast+0x449/0x710 [ 2641.291371][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.291371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.291371][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.291371][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.291371][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.291371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.291371][ T10] [ 2641.293363][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2641.293363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.293363][ T10] ipv6_find_idev+0x102/0x170 [ 2641.293363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.293363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.293363][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.293363][ T10] netlink_unicast+0x449/0x710 [ 2641.293363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.293363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.293363][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.293363][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.293363][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.293363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.293363][ T10] [ 2641.294938][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2641.294938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.294938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.294938][ T10] ipv6_find_idev+0x102/0x170 [ 2641.294938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.294938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.294938][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.294938][ T10] netlink_unicast+0x449/0x710 [ 2641.294938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.294938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.294938][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.294938][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.294938][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.294938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.294938][ T10] [ 2641.296666][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2641.296947][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2641.296947][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.296947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.296947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.296947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.296947][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.296947][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.296947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.296947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.296947][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.296947][ T10] netlink_unicast+0x449/0x710 [ 2641.296947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.296947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.296947][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.296947][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.296947][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.296947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.296947][ T10] [ 2641.298963][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2641.298963][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.298963][ T10] ipv6_find_idev+0x102/0x170 [ 2641.298963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.298963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.298963][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.298963][ T10] netlink_unicast+0x449/0x710 [ 2641.298963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.298963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.298963][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.298963][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.298963][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.298963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.298963][ T10] [ 2641.300487][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2641.300487][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.300487][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.300487][ T10] ipv6_find_idev+0x102/0x170 [ 2641.300487][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.300487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.300487][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.300487][ T10] netlink_unicast+0x449/0x710 [ 2641.300487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.300487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.300487][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.300487][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.300487][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.300487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.300487][ T10] [ 2641.302181][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2641.302452][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2641.302452][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.302452][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.302452][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.302452][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.302452][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.302452][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.302452][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.302452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.302452][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.302452][ T10] netlink_unicast+0x449/0x710 [ 2641.302452][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.302452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.302452][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.302452][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.302452][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.302452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.302452][ T10] [ 2641.304471][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2641.304471][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.304471][ T10] ipv6_find_idev+0x102/0x170 [ 2641.304471][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.304471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.304471][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.304471][ T10] netlink_unicast+0x449/0x710 [ 2641.304471][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.304471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.304471][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.304471][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.304471][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.304471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.304471][ T10] [ 2641.306031][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2641.306031][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.306031][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.306031][ T10] ipv6_find_idev+0x102/0x170 [ 2641.306031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.306031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.306031][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.306031][ T10] netlink_unicast+0x449/0x710 [ 2641.306031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.306031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.306031][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.306031][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.306031][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.306031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.306031][ T10] [ 2641.307732][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2641.308430][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2641.308430][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.308430][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.308430][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.308430][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.308430][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.308430][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.308430][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.308430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.308430][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.308430][ T10] netlink_unicast+0x449/0x710 [ 2641.308430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.308430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.308430][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.308430][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.308430][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.308430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.308430][ T10] [ 2641.310450][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2641.310450][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.310450][ T10] ipv6_find_idev+0x102/0x170 [ 2641.310450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.310450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.310450][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.310450][ T10] netlink_unicast+0x449/0x710 [ 2641.310450][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.310450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.310450][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.310450][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.310450][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.310450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.310450][ T10] [ 2641.311977][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2641.311977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.311977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.311977][ T10] ipv6_find_idev+0x102/0x170 [ 2641.311977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.311977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.311977][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.311977][ T10] netlink_unicast+0x449/0x710 [ 2641.311977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.311977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.311977][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.311977][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.311977][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.311977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.311977][ T10] [ 2641.313685][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2641.314006][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2641.314006][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.314006][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.314006][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.314006][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.314006][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.314006][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.314006][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.314006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.314006][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.314006][ T10] netlink_unicast+0x449/0x710 [ 2641.314006][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.314006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.314006][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.314006][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.314006][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.314006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.314006][ T10] [ 2641.315989][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2641.315989][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.315989][ T10] ipv6_find_idev+0x102/0x170 [ 2641.315989][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.315989][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.315989][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.315989][ T10] netlink_unicast+0x449/0x710 [ 2641.315989][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.315989][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.315989][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.315989][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.315989][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.315989][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.315989][ T10] [ 2641.317575][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2641.317575][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.317575][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.317575][ T10] ipv6_find_idev+0x102/0x170 [ 2641.317575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.317575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.317575][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.317575][ T10] netlink_unicast+0x449/0x710 [ 2641.317575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.317575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.317575][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.317575][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.317575][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.317575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.317575][ T10] [ 2641.319327][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2641.319647][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2641.319647][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.319647][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.319647][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.319647][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.319647][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.319647][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.319647][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.319647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.319647][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.319647][ T10] netlink_unicast+0x449/0x710 [ 2641.319647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.319647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.319647][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.319647][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.319647][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.319647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.319647][ T10] [ 2641.321695][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2641.321695][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.321695][ T10] ipv6_find_idev+0x102/0x170 [ 2641.321695][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.321695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.321695][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.321695][ T10] netlink_unicast+0x449/0x710 [ 2641.321695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.321695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.321695][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.321695][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.321695][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.321695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.321695][ T10] [ 2641.323423][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2641.323423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.323423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.323423][ T10] ipv6_find_idev+0x102/0x170 [ 2641.323423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.323423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.323423][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.323423][ T10] netlink_unicast+0x449/0x710 [ 2641.323423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.323423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.323423][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.323423][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.323423][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.323423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.323423][ T10] [ 2641.325413][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2641.325722][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2641.325722][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.325722][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.325722][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.325722][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.325722][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.325722][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.325722][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.325722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.325722][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.325722][ T10] netlink_unicast+0x449/0x710 [ 2641.325722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.325722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.325722][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.325722][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.325722][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.325722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.325722][ T10] [ 2641.327884][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2641.327884][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.327884][ T10] ipv6_find_idev+0x102/0x170 [ 2641.327884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.327884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.327884][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.327884][ T10] netlink_unicast+0x449/0x710 [ 2641.327884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.327884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.327884][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.327884][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.327884][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.327884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.327884][ T10] [ 2641.329584][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2641.329584][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.329584][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.329584][ T10] ipv6_find_idev+0x102/0x170 [ 2641.329584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.329584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.329584][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.329584][ T10] netlink_unicast+0x449/0x710 [ 2641.329584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.329584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.329584][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.329584][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.329584][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.329584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.329584][ T10] [ 2641.331565][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2641.331878][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2641.331878][ T10] netdev_get_by_index+0x5e/0x80 [ 2641.331878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2641.331878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2641.331878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2641.331878][ T10] ipv6_add_addr+0x411/0x2000 [ 2641.331878][ T10] inet6_addr_add+0x30e/0xa40 [ 2641.331878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2641.331878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.331878][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.331878][ T10] netlink_unicast+0x449/0x710 [ 2641.331878][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.331878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.331878][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.331878][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.331878][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.331878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.331878][ T10] [ 2641.334062][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2641.334062][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2641.334062][ T10] ipv6_find_idev+0x102/0x170 [ 2641.334062][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.334062][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.334062][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.334062][ T10] netlink_unicast+0x449/0x710 [ 2641.334062][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.334062][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.334062][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.334062][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.334062][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.334062][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.334062][ T10] [ 2641.336765][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2641.336765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2641.336765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2641.336765][ T10] ipv6_find_idev+0x102/0x170 [ 2641.336765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2641.336765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2641.336765][ T10] netlink_rcv_skb+0x130/0x360 [ 2641.336765][ T10] netlink_unicast+0x449/0x710 [ 2641.336765][ T10] netlink_sendmsg+0x723/0xbe0 [ 2641.336765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2641.336765][ T10] ___sys_sendmsg+0xee/0x170 [ 2641.336765][ T10] __sys_sendmsg+0xcd/0x170 [ 2641.336765][ T10] do_syscall_64+0xc6/0x1e0 [ 2641.336765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2641.336765][ T10] [ 2651.362926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2651.363348][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2651.363348][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.363348][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.363348][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.363348][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.363348][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.363348][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.363348][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.363348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.363348][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.363348][ T10] netlink_unicast+0x449/0x710 [ 2651.363348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.363348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.363348][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.363348][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.363348][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.363348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.363348][ T10] [ 2651.365366][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2651.365366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.365366][ T10] ipv6_find_idev+0x102/0x170 [ 2651.365366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.365366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.365366][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.365366][ T10] netlink_unicast+0x449/0x710 [ 2651.365366][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.365366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.365366][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.365366][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.365366][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.365366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.365366][ T10] [ 2651.366945][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2651.366945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.366945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.366945][ T10] ipv6_find_idev+0x102/0x170 [ 2651.366945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.366945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.366945][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.366945][ T10] netlink_unicast+0x449/0x710 [ 2651.366945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.366945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.366945][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.366945][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.366945][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.366945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.366945][ T10] [ 2651.369048][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2651.369329][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2651.369329][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.369329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.369329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.369329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.369329][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.369329][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.369329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.369329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.369329][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.369329][ T10] netlink_unicast+0x449/0x710 [ 2651.369329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.369329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.369329][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.369329][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.369329][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.369329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.369329][ T10] [ 2651.371344][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2651.371344][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.371344][ T10] ipv6_find_idev+0x102/0x170 [ 2651.371344][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.371344][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.371344][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.371344][ T10] netlink_unicast+0x449/0x710 [ 2651.371344][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.371344][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.371344][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.371344][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.371344][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.371344][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.371344][ T10] [ 2651.372877][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2651.372877][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.372877][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.372877][ T10] ipv6_find_idev+0x102/0x170 [ 2651.372877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.372877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.372877][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.372877][ T10] netlink_unicast+0x449/0x710 [ 2651.372877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.372877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.372877][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.372877][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.372877][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.372877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.372877][ T10] [ 2651.374534][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2651.374791][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2651.374791][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.374791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.374791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.374791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.374791][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.374791][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.374791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.374791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.374791][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.374791][ T10] netlink_unicast+0x449/0x710 [ 2651.374791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.374791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.374791][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.374791][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.374791][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.374791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.374791][ T10] [ 2651.376756][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2651.376756][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.376756][ T10] ipv6_find_idev+0x102/0x170 [ 2651.376756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.376756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.376756][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.376756][ T10] netlink_unicast+0x449/0x710 [ 2651.376756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.376756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.376756][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.376756][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.376756][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.376756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.376756][ T10] [ 2651.378282][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2651.378282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.378282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.378282][ T10] ipv6_find_idev+0x102/0x170 [ 2651.378282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.378282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.378282][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.378282][ T10] netlink_unicast+0x449/0x710 [ 2651.378282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.378282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.378282][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.378282][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.378282][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.378282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.378282][ T10] [ 2651.379975][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2651.380244][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2651.380244][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.380244][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.380244][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.380244][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.380244][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.380244][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.380244][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.380244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.380244][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.380244][ T10] netlink_unicast+0x449/0x710 [ 2651.380244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.380244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.380244][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.380244][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.380244][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.380244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.380244][ T10] [ 2651.382259][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2651.382259][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.382259][ T10] ipv6_find_idev+0x102/0x170 [ 2651.382259][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.382259][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.382259][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.382259][ T10] netlink_unicast+0x449/0x710 [ 2651.382259][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.382259][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.382259][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.382259][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.382259][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.382259][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.382259][ T10] [ 2651.383799][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2651.383799][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.383799][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.383799][ T10] ipv6_find_idev+0x102/0x170 [ 2651.383799][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.383799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.383799][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.383799][ T10] netlink_unicast+0x449/0x710 [ 2651.383799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.383799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.383799][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.383799][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.383799][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.383799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.383799][ T10] [ 2651.385497][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2651.385762][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2651.385762][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.385762][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.385762][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.385762][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.385762][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.385762][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.385762][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.385762][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.385762][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.385762][ T10] netlink_unicast+0x449/0x710 [ 2651.385762][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.385762][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.385762][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.385762][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.385762][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.385762][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.385762][ T10] [ 2651.387748][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2651.387748][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.387748][ T10] ipv6_find_idev+0x102/0x170 [ 2651.387748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.387748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.387748][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.387748][ T10] netlink_unicast+0x449/0x710 [ 2651.387748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.387748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.387748][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.387748][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.387748][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.387748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.387748][ T10] [ 2651.389358][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2651.389358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.389358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.389358][ T10] ipv6_find_idev+0x102/0x170 [ 2651.389358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.389358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.389358][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.389358][ T10] netlink_unicast+0x449/0x710 [ 2651.389358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.389358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.389358][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.389358][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.389358][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.389358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.389358][ T10] [ 2651.391278][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2651.391540][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2651.391540][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.391540][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.391540][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.391540][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.391540][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.391540][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.391540][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.391540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.391540][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.391540][ T10] netlink_unicast+0x449/0x710 [ 2651.391540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.391540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.391540][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.391540][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.391540][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.391540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.391540][ T10] [ 2651.393840][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2651.393840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.393840][ T10] ipv6_find_idev+0x102/0x170 [ 2651.393840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.393840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.393840][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.393840][ T10] netlink_unicast+0x449/0x710 [ 2651.393840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.393840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.393840][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.393840][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.393840][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.393840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.393840][ T10] [ 2651.395537][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2651.395537][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.395537][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.395537][ T10] ipv6_find_idev+0x102/0x170 [ 2651.395537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.395537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.395537][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.395537][ T10] netlink_unicast+0x449/0x710 [ 2651.395537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.395537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.395537][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.395537][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.395537][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.395537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.395537][ T10] [ 2651.397438][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2651.397706][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2651.397706][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.397706][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.397706][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.397706][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.397706][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.397706][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.397706][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.397706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.397706][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.397706][ T10] netlink_unicast+0x449/0x710 [ 2651.397706][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.397706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.397706][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.397706][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.397706][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.397706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.397706][ T10] [ 2651.399920][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2651.399920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.399920][ T10] ipv6_find_idev+0x102/0x170 [ 2651.399920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.399920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.399920][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.399920][ T10] netlink_unicast+0x449/0x710 [ 2651.399920][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.399920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.399920][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.399920][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.399920][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.399920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.399920][ T10] [ 2651.401632][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2651.401632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.401632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.401632][ T10] ipv6_find_idev+0x102/0x170 [ 2651.401632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.401632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.401632][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.401632][ T10] netlink_unicast+0x449/0x710 [ 2651.401632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.401632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.401632][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.401632][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.401632][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.401632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.401632][ T10] [ 2651.403571][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2651.403841][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2651.403841][ T10] netdev_get_by_index+0x5e/0x80 [ 2651.403841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2651.403841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2651.403841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2651.403841][ T10] ipv6_add_addr+0x411/0x2000 [ 2651.403841][ T10] inet6_addr_add+0x30e/0xa40 [ 2651.403841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2651.403841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.403841][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.403841][ T10] netlink_unicast+0x449/0x710 [ 2651.403841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.403841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.403841][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.403841][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.403841][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.403841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.403841][ T10] [ 2651.406067][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2651.406067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2651.406067][ T10] ipv6_find_idev+0x102/0x170 [ 2651.406067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.406067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.406067][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.406067][ T10] netlink_unicast+0x449/0x710 [ 2651.406067][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.406067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.406067][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.406067][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.406067][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.406067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.406067][ T10] [ 2651.407722][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2651.407722][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2651.407722][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2651.407722][ T10] ipv6_find_idev+0x102/0x170 [ 2651.407722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2651.407722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2651.407722][ T10] netlink_rcv_skb+0x130/0x360 [ 2651.407722][ T10] netlink_unicast+0x449/0x710 [ 2651.407722][ T10] netlink_sendmsg+0x723/0xbe0 [ 2651.407722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2651.407722][ T10] ___sys_sendmsg+0xee/0x170 [ 2651.407722][ T10] __sys_sendmsg+0xcd/0x170 [ 2651.407722][ T10] do_syscall_64+0xc6/0x1e0 [ 2651.407722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2651.407722][ T10] [ 2661.458968][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2661.459364][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2661.459364][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.459364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.459364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.459364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.459364][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.459364][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.459364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.459364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.459364][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.459364][ T10] netlink_unicast+0x449/0x710 [ 2661.459364][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.459364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.459364][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.459364][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.459364][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.459364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.459364][ T10] [ 2661.461345][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2661.461345][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.461345][ T10] ipv6_find_idev+0x102/0x170 [ 2661.461345][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.461345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.461345][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.461345][ T10] netlink_unicast+0x449/0x710 [ 2661.461345][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.461345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.461345][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.461345][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.461345][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.461345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.461345][ T10] [ 2661.462873][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2661.462873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.462873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.462873][ T10] ipv6_find_idev+0x102/0x170 [ 2661.462873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.462873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.462873][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.462873][ T10] netlink_unicast+0x449/0x710 [ 2661.462873][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.462873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.462873][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.462873][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.462873][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.462873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.462873][ T10] [ 2661.464542][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2661.464806][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2661.464806][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.464806][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.464806][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.464806][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.464806][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.464806][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.464806][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.464806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.464806][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.464806][ T10] netlink_unicast+0x449/0x710 [ 2661.464806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.464806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.464806][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.464806][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.464806][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.464806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.464806][ T10] [ 2661.466774][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2661.466774][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.466774][ T10] ipv6_find_idev+0x102/0x170 [ 2661.466774][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.466774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.466774][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.466774][ T10] netlink_unicast+0x449/0x710 [ 2661.466774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.466774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.466774][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.466774][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.466774][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.466774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.466774][ T10] [ 2661.468282][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2661.468282][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.468282][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.468282][ T10] ipv6_find_idev+0x102/0x170 [ 2661.468282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.468282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.468282][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.468282][ T10] netlink_unicast+0x449/0x710 [ 2661.468282][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.468282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.468282][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.468282][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.468282][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.468282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.468282][ T10] [ 2661.469938][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2661.470193][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2661.470193][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.470193][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.470193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.470193][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.470193][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.470193][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.470193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.470193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.470193][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.470193][ T10] netlink_unicast+0x449/0x710 [ 2661.470193][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.470193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.470193][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.470193][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.470193][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.470193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.470193][ T10] [ 2661.472170][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2661.472170][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.472170][ T10] ipv6_find_idev+0x102/0x170 [ 2661.472170][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.472170][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.472170][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.472170][ T10] netlink_unicast+0x449/0x710 [ 2661.472170][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.472170][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.472170][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.472170][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.472170][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.472170][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.472170][ T10] [ 2661.473686][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2661.473686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.473686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.473686][ T10] ipv6_find_idev+0x102/0x170 [ 2661.473686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.473686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.473686][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.473686][ T10] netlink_unicast+0x449/0x710 [ 2661.473686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.473686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.473686][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.473686][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.473686][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.473686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.473686][ T10] [ 2661.475339][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2661.475597][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2661.475597][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.475597][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.475597][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.475597][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.475597][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.475597][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.475597][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.475597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.475597][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.475597][ T10] netlink_unicast+0x449/0x710 [ 2661.475597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.475597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.475597][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.475597][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.475597][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.475597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.475597][ T10] [ 2661.477558][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2661.477558][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.477558][ T10] ipv6_find_idev+0x102/0x170 [ 2661.477558][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.477558][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.477558][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.477558][ T10] netlink_unicast+0x449/0x710 [ 2661.477558][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.477558][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.477558][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.477558][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.477558][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.477558][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.477558][ T10] [ 2661.479613][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2661.479613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.479613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.479613][ T10] ipv6_find_idev+0x102/0x170 [ 2661.479613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.479613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.479613][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.479613][ T10] netlink_unicast+0x449/0x710 [ 2661.479613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.479613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.479613][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.479613][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.479613][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.479613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.479613][ T10] [ 2661.481272][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2661.481529][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2661.481529][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.481529][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.481529][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.481529][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.481529][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.481529][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.481529][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.481529][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.481529][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.481529][ T10] netlink_unicast+0x449/0x710 [ 2661.481529][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.481529][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.481529][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.481529][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.481529][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.481529][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.481529][ T10] [ 2661.483551][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2661.483551][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.483551][ T10] ipv6_find_idev+0x102/0x170 [ 2661.483551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.483551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.483551][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.483551][ T10] netlink_unicast+0x449/0x710 [ 2661.483551][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.483551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.483551][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.483551][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.483551][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.483551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.483551][ T10] [ 2661.485162][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2661.485162][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.485162][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.485162][ T10] ipv6_find_idev+0x102/0x170 [ 2661.485162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.485162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.485162][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.485162][ T10] netlink_unicast+0x449/0x710 [ 2661.485162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.485162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.485162][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.485162][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.485162][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.485162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.485162][ T10] [ 2661.487128][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2661.487393][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2661.487393][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.487393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.487393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.487393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.487393][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.487393][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.487393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.487393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.487393][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.487393][ T10] netlink_unicast+0x449/0x710 [ 2661.487393][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.487393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.487393][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.487393][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.487393][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.487393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.487393][ T10] [ 2661.489639][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2661.489639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.489639][ T10] ipv6_find_idev+0x102/0x170 [ 2661.489639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.489639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.489639][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.489639][ T10] netlink_unicast+0x449/0x710 [ 2661.489639][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.489639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.489639][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.489639][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.489639][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.489639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.489639][ T10] [ 2661.491373][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2661.491373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.491373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.491373][ T10] ipv6_find_idev+0x102/0x170 [ 2661.491373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.491373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.491373][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.491373][ T10] netlink_unicast+0x449/0x710 [ 2661.491373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.491373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.491373][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.491373][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.491373][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.491373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.491373][ T10] [ 2661.493288][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2661.493548][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2661.493548][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.493548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.493548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.493548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.493548][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.493548][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.493548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.493548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.493548][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.493548][ T10] netlink_unicast+0x449/0x710 [ 2661.493548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.493548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.493548][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.493548][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.493548][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.493548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.493548][ T10] [ 2661.496151][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2661.496151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.496151][ T10] ipv6_find_idev+0x102/0x170 [ 2661.496151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.496151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.496151][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.496151][ T10] netlink_unicast+0x449/0x710 [ 2661.496151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.496151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.496151][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.496151][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.496151][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.496151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.496151][ T10] [ 2661.497899][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2661.497899][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.497899][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.497899][ T10] ipv6_find_idev+0x102/0x170 [ 2661.497899][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.497899][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.497899][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.497899][ T10] netlink_unicast+0x449/0x710 [ 2661.497899][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.497899][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.497899][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.497899][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.497899][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.497899][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.497899][ T10] [ 2661.499784][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2661.500095][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2661.500095][ T10] netdev_get_by_index+0x5e/0x80 [ 2661.500095][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2661.500095][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2661.500095][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2661.500095][ T10] ipv6_add_addr+0x411/0x2000 [ 2661.500095][ T10] inet6_addr_add+0x30e/0xa40 [ 2661.500095][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2661.500095][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.500095][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.500095][ T10] netlink_unicast+0x449/0x710 [ 2661.500095][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.500095][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.500095][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.500095][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.500095][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.500095][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.500095][ T10] [ 2661.502300][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2661.502300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2661.502300][ T10] ipv6_find_idev+0x102/0x170 [ 2661.502300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.502300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.502300][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.502300][ T10] netlink_unicast+0x449/0x710 [ 2661.502300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.502300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.502300][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.502300][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.502300][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.502300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.502300][ T10] [ 2661.504010][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2661.504010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2661.504010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2661.504010][ T10] ipv6_find_idev+0x102/0x170 [ 2661.504010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2661.504010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2661.504010][ T10] netlink_rcv_skb+0x130/0x360 [ 2661.504010][ T10] netlink_unicast+0x449/0x710 [ 2661.504010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2661.504010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2661.504010][ T10] ___sys_sendmsg+0xee/0x170 [ 2661.504010][ T10] __sys_sendmsg+0xcd/0x170 [ 2661.504010][ T10] do_syscall_64+0xc6/0x1e0 [ 2661.504010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2661.504010][ T10] [ 2671.594937][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2671.595319][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2671.595319][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.595319][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.595319][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.595319][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.595319][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.595319][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.595319][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.595319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.595319][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.595319][ T10] netlink_unicast+0x449/0x710 [ 2671.595319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.595319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.595319][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.595319][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.595319][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.595319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.595319][ T10] [ 2671.597293][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2671.597293][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.597293][ T10] ipv6_find_idev+0x102/0x170 [ 2671.597293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.597293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.597293][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.597293][ T10] netlink_unicast+0x449/0x710 [ 2671.597293][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.597293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.597293][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.597293][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.597293][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.597293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.597293][ T10] [ 2671.598812][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2671.598812][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.598812][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.598812][ T10] ipv6_find_idev+0x102/0x170 [ 2671.598812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.598812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.598812][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.598812][ T10] netlink_unicast+0x449/0x710 [ 2671.598812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.598812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.598812][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.598812][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.598812][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.598812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.598812][ T10] [ 2671.600481][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2671.600749][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2671.600749][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.600749][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.600749][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.600749][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.600749][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.600749][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.600749][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.600749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.600749][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.600749][ T10] netlink_unicast+0x449/0x710 [ 2671.600749][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.600749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.600749][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.600749][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.600749][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.600749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.600749][ T10] [ 2671.602700][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2671.602700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.602700][ T10] ipv6_find_idev+0x102/0x170 [ 2671.602700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.602700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.602700][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.602700][ T10] netlink_unicast+0x449/0x710 [ 2671.602700][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.602700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.602700][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.602700][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.602700][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.602700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.602700][ T10] [ 2671.604215][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2671.604215][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.604215][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.604215][ T10] ipv6_find_idev+0x102/0x170 [ 2671.604215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.604215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.604215][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.604215][ T10] netlink_unicast+0x449/0x710 [ 2671.604215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.604215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.604215][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.604215][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.604215][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.604215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.604215][ T10] [ 2671.605869][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2671.606128][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2671.606128][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.606128][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.606128][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.606128][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.606128][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.606128][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.606128][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.606128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.606128][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.606128][ T10] netlink_unicast+0x449/0x710 [ 2671.606128][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.606128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.606128][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.606128][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.606128][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.606128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.606128][ T10] [ 2671.608089][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2671.608089][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.608089][ T10] ipv6_find_idev+0x102/0x170 [ 2671.608089][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.608089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.608089][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.608089][ T10] netlink_unicast+0x449/0x710 [ 2671.608089][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.608089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.608089][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.608089][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.608089][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.608089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.608089][ T10] [ 2671.609591][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2671.609591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.609591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.609591][ T10] ipv6_find_idev+0x102/0x170 [ 2671.609591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.609591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.609591][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.609591][ T10] netlink_unicast+0x449/0x710 [ 2671.609591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.609591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.609591][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.609591][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.609591][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.609591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.609591][ T10] [ 2671.611243][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2671.611502][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2671.611502][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.611502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.611502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.611502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.611502][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.611502][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.611502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.611502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.611502][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.611502][ T10] netlink_unicast+0x449/0x710 [ 2671.611502][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.611502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.611502][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.611502][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.611502][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.611502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.611502][ T10] [ 2671.613456][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2671.613456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.613456][ T10] ipv6_find_idev+0x102/0x170 [ 2671.613456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.613456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.613456][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.613456][ T10] netlink_unicast+0x449/0x710 [ 2671.613456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.613456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.613456][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.613456][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.613456][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.613456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.613456][ T10] [ 2671.614964][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2671.614964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.614964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.614964][ T10] ipv6_find_idev+0x102/0x170 [ 2671.614964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.614964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.614964][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.614964][ T10] netlink_unicast+0x449/0x710 [ 2671.614964][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.614964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.614964][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.614964][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.614964][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.614964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.614964][ T10] [ 2671.617016][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2671.617274][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2671.617274][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.617274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.617274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.617274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.617274][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.617274][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.617274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.617274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.617274][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.617274][ T10] netlink_unicast+0x449/0x710 [ 2671.617274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.617274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.617274][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.617274][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.617274][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.617274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.617274][ T10] [ 2671.619228][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2671.619228][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.619228][ T10] ipv6_find_idev+0x102/0x170 [ 2671.619228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.619228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.619228][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.619228][ T10] netlink_unicast+0x449/0x710 [ 2671.619228][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.619228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.619228][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.619228][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.619228][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.619228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.619228][ T10] [ 2671.620743][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2671.620743][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.620743][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.620743][ T10] ipv6_find_idev+0x102/0x170 [ 2671.620743][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.620743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.620743][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.620743][ T10] netlink_unicast+0x449/0x710 [ 2671.620743][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.620743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.620743][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.620743][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.620743][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.620743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.620743][ T10] [ 2671.622431][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2671.622695][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2671.622695][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.622695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.622695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.622695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.622695][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.622695][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.622695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.622695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.622695][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.622695][ T10] netlink_unicast+0x449/0x710 [ 2671.622695][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.622695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.622695][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.622695][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.622695][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.622695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.622695][ T10] [ 2671.624791][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2671.624791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.624791][ T10] ipv6_find_idev+0x102/0x170 [ 2671.624791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.624791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.624791][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.624791][ T10] netlink_unicast+0x449/0x710 [ 2671.624791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.624791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.624791][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.624791][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.624791][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.624791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.624791][ T10] [ 2671.626725][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2671.626725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.626725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.626725][ T10] ipv6_find_idev+0x102/0x170 [ 2671.626725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.626725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.626725][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.626725][ T10] netlink_unicast+0x449/0x710 [ 2671.626725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.626725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.626725][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.626725][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.626725][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.626725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.626725][ T10] [ 2671.628704][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2671.629022][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2671.629022][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.629022][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.629022][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.629022][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.629022][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.629022][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.629022][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.629022][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.629022][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.629022][ T10] netlink_unicast+0x449/0x710 [ 2671.629022][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.629022][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.629022][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.629022][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.629022][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.629022][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.629022][ T10] [ 2671.631325][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2671.631325][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.631325][ T10] ipv6_find_idev+0x102/0x170 [ 2671.631325][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.631325][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.631325][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.631325][ T10] netlink_unicast+0x449/0x710 [ 2671.631325][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.631325][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.631325][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.631325][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.631325][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.631325][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.631325][ T10] [ 2671.633138][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2671.633138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.633138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.633138][ T10] ipv6_find_idev+0x102/0x170 [ 2671.633138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.633138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.633138][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.633138][ T10] netlink_unicast+0x449/0x710 [ 2671.633138][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.633138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.633138][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.633138][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.633138][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.633138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.633138][ T10] [ 2671.635154][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2671.635448][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2671.635448][ T10] netdev_get_by_index+0x5e/0x80 [ 2671.635448][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2671.635448][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2671.635448][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2671.635448][ T10] ipv6_add_addr+0x411/0x2000 [ 2671.635448][ T10] inet6_addr_add+0x30e/0xa40 [ 2671.635448][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2671.635448][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.635448][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.635448][ T10] netlink_unicast+0x449/0x710 [ 2671.635448][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.635448][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.635448][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.635448][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.635448][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.635448][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.635448][ T10] [ 2671.637735][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2671.637735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2671.637735][ T10] ipv6_find_idev+0x102/0x170 [ 2671.637735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.637735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.637735][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.637735][ T10] netlink_unicast+0x449/0x710 [ 2671.637735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.637735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.637735][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.637735][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.637735][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.637735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.637735][ T10] [ 2671.639501][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2671.639501][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2671.639501][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2671.639501][ T10] ipv6_find_idev+0x102/0x170 [ 2671.639501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2671.639501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2671.639501][ T10] netlink_rcv_skb+0x130/0x360 [ 2671.639501][ T10] netlink_unicast+0x449/0x710 [ 2671.639501][ T10] netlink_sendmsg+0x723/0xbe0 [ 2671.639501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2671.639501][ T10] ___sys_sendmsg+0xee/0x170 [ 2671.639501][ T10] __sys_sendmsg+0xcd/0x170 [ 2671.639501][ T10] do_syscall_64+0xc6/0x1e0 [ 2671.639501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2671.639501][ T10] [ 2681.882949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2681.883542][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2681.883542][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.883542][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.883542][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.883542][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.883542][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.883542][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.883542][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.883542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.883542][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.883542][ T10] netlink_unicast+0x449/0x710 [ 2681.883542][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.883542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.883542][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.883542][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.883542][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.883542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.883542][ T10] [ 2681.886431][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2681.886431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.886431][ T10] ipv6_find_idev+0x102/0x170 [ 2681.886431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.886431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.886431][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.886431][ T10] netlink_unicast+0x449/0x710 [ 2681.886431][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.886431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.886431][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.886431][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.886431][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.886431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.886431][ T10] [ 2681.888748][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2681.888748][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.888748][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.888748][ T10] ipv6_find_idev+0x102/0x170 [ 2681.888748][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.888748][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.888748][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.888748][ T10] netlink_unicast+0x449/0x710 [ 2681.888748][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.888748][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.888748][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.888748][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.888748][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.888748][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.888748][ T10] [ 2681.890541][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2681.890832][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2681.890832][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.890832][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.890832][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.890832][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.890832][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.890832][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.890832][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.890832][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.890832][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.890832][ T10] netlink_unicast+0x449/0x710 [ 2681.890832][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.890832][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.890832][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.890832][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.890832][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.890832][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.890832][ T10] [ 2681.893215][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2681.893215][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.893215][ T10] ipv6_find_idev+0x102/0x170 [ 2681.893215][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.893215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.893215][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.893215][ T10] netlink_unicast+0x449/0x710 [ 2681.893215][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.893215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.893215][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.893215][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.893215][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.893215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.893215][ T10] [ 2681.895039][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2681.895039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.895039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.895039][ T10] ipv6_find_idev+0x102/0x170 [ 2681.895039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.895039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.895039][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.895039][ T10] netlink_unicast+0x449/0x710 [ 2681.895039][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.895039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.895039][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.895039][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.895039][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.895039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.895039][ T10] [ 2681.896866][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2681.897126][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2681.897126][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.897126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.897126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.897126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.897126][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.897126][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.897126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.897126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.897126][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.897126][ T10] netlink_unicast+0x449/0x710 [ 2681.897126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.897126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.897126][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.897126][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.897126][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.897126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.897126][ T10] [ 2681.899096][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2681.899096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.899096][ T10] ipv6_find_idev+0x102/0x170 [ 2681.899096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.899096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.899096][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.899096][ T10] netlink_unicast+0x449/0x710 [ 2681.899096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.899096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.899096][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.899096][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.899096][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.899096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.899096][ T10] [ 2681.900669][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2681.900669][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.900669][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.900669][ T10] ipv6_find_idev+0x102/0x170 [ 2681.900669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.900669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.900669][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.900669][ T10] netlink_unicast+0x449/0x710 [ 2681.900669][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.900669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.900669][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.900669][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.900669][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.900669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.900669][ T10] [ 2681.902437][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2681.902727][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2681.902727][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.902727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.902727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.902727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.902727][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.902727][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.902727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.902727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.902727][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.902727][ T10] netlink_unicast+0x449/0x710 [ 2681.902727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.902727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.902727][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.902727][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.902727][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.902727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.902727][ T10] [ 2681.904843][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2681.904843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.904843][ T10] ipv6_find_idev+0x102/0x170 [ 2681.904843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.904843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.904843][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.904843][ T10] netlink_unicast+0x449/0x710 [ 2681.904843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.904843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.904843][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.904843][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.904843][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.904843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.904843][ T10] [ 2681.906614][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2681.906614][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.906614][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.906614][ T10] ipv6_find_idev+0x102/0x170 [ 2681.906614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.906614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.906614][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.906614][ T10] netlink_unicast+0x449/0x710 [ 2681.906614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.906614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.906614][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.906614][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.906614][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.906614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.906614][ T10] [ 2681.908812][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2681.909461][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2681.909461][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.909461][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.909461][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.909461][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.909461][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.909461][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.909461][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.909461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.909461][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.909461][ T10] netlink_unicast+0x449/0x710 [ 2681.909461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.909461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.909461][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.909461][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.909461][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.909461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.909461][ T10] [ 2681.911552][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2681.911552][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.911552][ T10] ipv6_find_idev+0x102/0x170 [ 2681.911552][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.911552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.911552][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.911552][ T10] netlink_unicast+0x449/0x710 [ 2681.911552][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.911552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.911552][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.911552][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.911552][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.911552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.911552][ T10] [ 2681.913137][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2681.913137][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.913137][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.913137][ T10] ipv6_find_idev+0x102/0x170 [ 2681.913137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.913137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.913137][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.913137][ T10] netlink_unicast+0x449/0x710 [ 2681.913137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.913137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.913137][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.913137][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.913137][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.913137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.913137][ T10] [ 2681.914847][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2681.915118][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2681.915118][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.915118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.915118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.915118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.915118][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.915118][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.915118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.915118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.915118][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.915118][ T10] netlink_unicast+0x449/0x710 [ 2681.915118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.915118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.915118][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.915118][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.915118][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.915118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.915118][ T10] [ 2681.917183][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2681.917183][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.917183][ T10] ipv6_find_idev+0x102/0x170 [ 2681.917183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.917183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.917183][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.917183][ T10] netlink_unicast+0x449/0x710 [ 2681.917183][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.917183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.917183][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.917183][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.917183][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.917183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.917183][ T10] [ 2681.918776][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2681.918776][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.918776][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.918776][ T10] ipv6_find_idev+0x102/0x170 [ 2681.918776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.918776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.918776][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.918776][ T10] netlink_unicast+0x449/0x710 [ 2681.918776][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.918776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.918776][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.918776][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.918776][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.918776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.918776][ T10] [ 2681.920714][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2681.921044][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2681.921044][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.921044][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.921044][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.921044][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.921044][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.921044][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.921044][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.921044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.921044][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.921044][ T10] netlink_unicast+0x449/0x710 [ 2681.921044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.921044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.921044][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.921044][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.921044][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.921044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.921044][ T10] [ 2681.923364][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2681.923364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.923364][ T10] ipv6_find_idev+0x102/0x170 [ 2681.923364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.923364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.923364][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.923364][ T10] netlink_unicast+0x449/0x710 [ 2681.923364][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.923364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.923364][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.923364][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.923364][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.923364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.923364][ T10] [ 2681.925123][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2681.925123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.925123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.925123][ T10] ipv6_find_idev+0x102/0x170 [ 2681.925123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.925123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.925123][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.925123][ T10] netlink_unicast+0x449/0x710 [ 2681.925123][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.925123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.925123][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.925123][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.925123][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.925123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.925123][ T10] [ 2681.927190][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2681.927488][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2681.927488][ T10] netdev_get_by_index+0x5e/0x80 [ 2681.927488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2681.927488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2681.927488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2681.927488][ T10] ipv6_add_addr+0x411/0x2000 [ 2681.927488][ T10] inet6_addr_add+0x30e/0xa40 [ 2681.927488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2681.927488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.927488][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.927488][ T10] netlink_unicast+0x449/0x710 [ 2681.927488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.927488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.927488][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.927488][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.927488][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.927488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.927488][ T10] [ 2681.929843][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2681.929843][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2681.929843][ T10] ipv6_find_idev+0x102/0x170 [ 2681.929843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.929843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.929843][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.929843][ T10] netlink_unicast+0x449/0x710 [ 2681.929843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.929843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.929843][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.929843][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.929843][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.929843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.929843][ T10] [ 2681.931616][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2681.931616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2681.931616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2681.931616][ T10] ipv6_find_idev+0x102/0x170 [ 2681.931616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2681.931616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2681.931616][ T10] netlink_rcv_skb+0x130/0x360 [ 2681.931616][ T10] netlink_unicast+0x449/0x710 [ 2681.931616][ T10] netlink_sendmsg+0x723/0xbe0 [ 2681.931616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2681.931616][ T10] ___sys_sendmsg+0xee/0x170 [ 2681.931616][ T10] __sys_sendmsg+0xcd/0x170 [ 2681.931616][ T10] do_syscall_64+0xc6/0x1e0 [ 2681.931616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2681.931616][ T10] [ 2692.170932][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2692.171358][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2692.171358][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.171358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.171358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.171358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.171358][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.171358][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.171358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.171358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.171358][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.171358][ T10] netlink_unicast+0x449/0x710 [ 2692.171358][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.171358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.171358][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.171358][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.171358][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.171358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.171358][ T10] [ 2692.173381][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2692.173381][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.173381][ T10] ipv6_find_idev+0x102/0x170 [ 2692.173381][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.173381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.173381][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.173381][ T10] netlink_unicast+0x449/0x710 [ 2692.173381][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.173381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.173381][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.173381][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.173381][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.173381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.173381][ T10] [ 2692.174910][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2692.174910][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.174910][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.174910][ T10] ipv6_find_idev+0x102/0x170 [ 2692.174910][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.174910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.174910][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.174910][ T10] netlink_unicast+0x449/0x710 [ 2692.174910][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.174910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.174910][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.174910][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.174910][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.174910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.174910][ T10] [ 2692.176635][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2692.176913][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2692.176913][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.176913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.176913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.176913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.176913][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.176913][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.176913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.176913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.176913][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.176913][ T10] netlink_unicast+0x449/0x710 [ 2692.176913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.176913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.176913][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.176913][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.176913][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.176913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.176913][ T10] [ 2692.179084][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2692.179084][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.179084][ T10] ipv6_find_idev+0x102/0x170 [ 2692.179084][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.179084][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.179084][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.179084][ T10] netlink_unicast+0x449/0x710 [ 2692.179084][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.179084][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.179084][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.179084][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.179084][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.179084][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.179084][ T10] [ 2692.180699][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2692.180699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.180699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.180699][ T10] ipv6_find_idev+0x102/0x170 [ 2692.180699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.180699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.180699][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.180699][ T10] netlink_unicast+0x449/0x710 [ 2692.180699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.180699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.180699][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.180699][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.180699][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.180699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.180699][ T10] [ 2692.182470][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2692.182744][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2692.182744][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.182744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.182744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.182744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.182744][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.182744][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.182744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.182744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.182744][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.182744][ T10] netlink_unicast+0x449/0x710 [ 2692.182744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.182744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.182744][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.182744][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.182744][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.182744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.182744][ T10] [ 2692.184833][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2692.184833][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.184833][ T10] ipv6_find_idev+0x102/0x170 [ 2692.184833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.184833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.184833][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.184833][ T10] netlink_unicast+0x449/0x710 [ 2692.184833][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.184833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.184833][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.184833][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.184833][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.184833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.184833][ T10] [ 2692.186442][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2692.186442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.186442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.186442][ T10] ipv6_find_idev+0x102/0x170 [ 2692.186442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.186442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.186442][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.186442][ T10] netlink_unicast+0x449/0x710 [ 2692.186442][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.186442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.186442][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.186442][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.186442][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.186442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.186442][ T10] [ 2692.188184][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2692.188472][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2692.188472][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.188472][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.188472][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.188472][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.188472][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.188472][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.188472][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.188472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.188472][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.188472][ T10] netlink_unicast+0x449/0x710 [ 2692.188472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.188472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.188472][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.188472][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.188472][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.188472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.188472][ T10] [ 2692.190563][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2692.190563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.190563][ T10] ipv6_find_idev+0x102/0x170 [ 2692.190563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.190563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.190563][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.190563][ T10] netlink_unicast+0x449/0x710 [ 2692.190563][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.190563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.190563][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.190563][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.190563][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.190563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.190563][ T10] [ 2692.192237][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2692.192237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.192237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.192237][ T10] ipv6_find_idev+0x102/0x170 [ 2692.192237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.192237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.192237][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.192237][ T10] netlink_unicast+0x449/0x710 [ 2692.192237][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.192237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.192237][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.192237][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.192237][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.192237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.192237][ T10] [ 2692.194334][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2692.194601][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2692.194601][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.194601][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.194601][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.194601][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.194601][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.194601][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.194601][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.194601][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.194601][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.194601][ T10] netlink_unicast+0x449/0x710 [ 2692.194601][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.194601][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.194601][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.194601][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.194601][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.194601][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.194601][ T10] [ 2692.196615][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2692.196615][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.196615][ T10] ipv6_find_idev+0x102/0x170 [ 2692.196615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.196615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.196615][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.196615][ T10] netlink_unicast+0x449/0x710 [ 2692.196615][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.196615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.196615][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.196615][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.196615][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.196615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.196615][ T10] [ 2692.198219][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2692.198219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.198219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.198219][ T10] ipv6_find_idev+0x102/0x170 [ 2692.198219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.198219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.198219][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.198219][ T10] netlink_unicast+0x449/0x710 [ 2692.198219][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.198219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.198219][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.198219][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.198219][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.198219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.198219][ T10] [ 2692.200039][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2692.200324][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2692.200324][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.200324][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.200324][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.200324][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.200324][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.200324][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.200324][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.200324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.200324][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.200324][ T10] netlink_unicast+0x449/0x710 [ 2692.200324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.200324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.200324][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.200324][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.200324][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.200324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.200324][ T10] [ 2692.202524][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2692.202524][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.202524][ T10] ipv6_find_idev+0x102/0x170 [ 2692.202524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.202524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.202524][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.202524][ T10] netlink_unicast+0x449/0x710 [ 2692.202524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.202524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.202524][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.202524][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.202524][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.202524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.202524][ T10] [ 2692.204311][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2692.204311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.204311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.204311][ T10] ipv6_find_idev+0x102/0x170 [ 2692.204311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.204311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.204311][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.204311][ T10] netlink_unicast+0x449/0x710 [ 2692.204311][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.204311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.204311][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.204311][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.204311][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.204311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.204311][ T10] [ 2692.206332][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2692.206615][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2692.206615][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.206615][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.206615][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.206615][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.206615][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.206615][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.206615][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.206615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.206615][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.206615][ T10] netlink_unicast+0x449/0x710 [ 2692.206615][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.206615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.206615][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.206615][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.206615][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.206615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.206615][ T10] [ 2692.209007][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2692.209007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.209007][ T10] ipv6_find_idev+0x102/0x170 [ 2692.209007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.209007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.209007][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.209007][ T10] netlink_unicast+0x449/0x710 [ 2692.209007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.209007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.209007][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.209007][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.209007][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.209007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.209007][ T10] [ 2692.210751][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2692.210751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.210751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.210751][ T10] ipv6_find_idev+0x102/0x170 [ 2692.210751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.210751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.210751][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.210751][ T10] netlink_unicast+0x449/0x710 [ 2692.210751][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.210751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.210751][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.210751][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.210751][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.210751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.210751][ T10] [ 2692.212662][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2692.212974][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2692.212974][ T10] netdev_get_by_index+0x5e/0x80 [ 2692.212974][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2692.212974][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2692.212974][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2692.212974][ T10] ipv6_add_addr+0x411/0x2000 [ 2692.212974][ T10] inet6_addr_add+0x30e/0xa40 [ 2692.212974][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2692.212974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.212974][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.212974][ T10] netlink_unicast+0x449/0x710 [ 2692.212974][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.212974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.212974][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.212974][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.212974][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.212974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.212974][ T10] [ 2692.215126][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2692.215126][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2692.215126][ T10] ipv6_find_idev+0x102/0x170 [ 2692.215126][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.215126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.215126][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.215126][ T10] netlink_unicast+0x449/0x710 [ 2692.215126][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.215126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.215126][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.215126][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.215126][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.215126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.215126][ T10] [ 2692.216885][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2692.216885][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2692.216885][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2692.216885][ T10] ipv6_find_idev+0x102/0x170 [ 2692.216885][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2692.216885][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2692.216885][ T10] netlink_rcv_skb+0x130/0x360 [ 2692.216885][ T10] netlink_unicast+0x449/0x710 [ 2692.216885][ T10] netlink_sendmsg+0x723/0xbe0 [ 2692.216885][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2692.216885][ T10] ___sys_sendmsg+0xee/0x170 [ 2692.216885][ T10] __sys_sendmsg+0xcd/0x170 [ 2692.216885][ T10] do_syscall_64+0xc6/0x1e0 [ 2692.216885][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2692.216885][ T10] [ 2702.386951][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2702.387330][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2702.387330][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.387330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.387330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.387330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.387330][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.387330][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.387330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.387330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.387330][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.387330][ T10] netlink_unicast+0x449/0x710 [ 2702.387330][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.387330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.387330][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.387330][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.387330][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.387330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.387330][ T10] [ 2702.389305][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2702.389305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.389305][ T10] ipv6_find_idev+0x102/0x170 [ 2702.389305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.389305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.389305][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.389305][ T10] netlink_unicast+0x449/0x710 [ 2702.389305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.389305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.389305][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.389305][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.389305][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.389305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.389305][ T10] [ 2702.390820][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2702.390820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.390820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.390820][ T10] ipv6_find_idev+0x102/0x170 [ 2702.390820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.390820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.390820][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.390820][ T10] netlink_unicast+0x449/0x710 [ 2702.390820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.390820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.390820][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.390820][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.390820][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.390820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.390820][ T10] [ 2702.392496][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2702.392766][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2702.392766][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.392766][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.392766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.392766][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.392766][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.392766][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.392766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.392766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.392766][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.392766][ T10] netlink_unicast+0x449/0x710 [ 2702.392766][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.392766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.392766][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.392766][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.392766][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.392766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.392766][ T10] [ 2702.394770][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2702.394770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.394770][ T10] ipv6_find_idev+0x102/0x170 [ 2702.394770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.394770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.394770][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.394770][ T10] netlink_unicast+0x449/0x710 [ 2702.394770][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.394770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.394770][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.394770][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.394770][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.394770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.394770][ T10] [ 2702.396338][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2702.396338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.396338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.396338][ T10] ipv6_find_idev+0x102/0x170 [ 2702.396338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.396338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.396338][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.396338][ T10] netlink_unicast+0x449/0x710 [ 2702.396338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.396338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.396338][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.396338][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.396338][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.396338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.396338][ T10] [ 2702.398020][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2702.398287][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2702.398287][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.398287][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.398287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.398287][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.398287][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.398287][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.398287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.398287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.398287][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.398287][ T10] netlink_unicast+0x449/0x710 [ 2702.398287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.398287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.398287][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.398287][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.398287][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.398287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.398287][ T10] [ 2702.400299][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2702.400299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.400299][ T10] ipv6_find_idev+0x102/0x170 [ 2702.400299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.400299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.400299][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.400299][ T10] netlink_unicast+0x449/0x710 [ 2702.400299][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.400299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.400299][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.400299][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.400299][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.400299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.400299][ T10] [ 2702.401839][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2702.401839][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.401839][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.401839][ T10] ipv6_find_idev+0x102/0x170 [ 2702.401839][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.401839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.401839][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.401839][ T10] netlink_unicast+0x449/0x710 [ 2702.401839][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.401839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.401839][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.401839][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.401839][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.401839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.401839][ T10] [ 2702.403515][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2702.403774][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2702.403774][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.403774][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.403774][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.403774][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.403774][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.403774][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.403774][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.403774][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.403774][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.403774][ T10] netlink_unicast+0x449/0x710 [ 2702.403774][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.403774][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.403774][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.403774][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.403774][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.403774][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.403774][ T10] [ 2702.405784][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2702.405784][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.405784][ T10] ipv6_find_idev+0x102/0x170 [ 2702.405784][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.405784][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.405784][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.405784][ T10] netlink_unicast+0x449/0x710 [ 2702.405784][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.405784][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.405784][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.405784][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.405784][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.405784][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.405784][ T10] [ 2702.407319][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2702.407319][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.407319][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.407319][ T10] ipv6_find_idev+0x102/0x170 [ 2702.407319][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.407319][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.407319][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.407319][ T10] netlink_unicast+0x449/0x710 [ 2702.407319][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.407319][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.407319][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.407319][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.407319][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.407319][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.407319][ T10] [ 2702.409374][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2702.409631][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2702.409631][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.409631][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.409631][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.409631][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.409631][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.409631][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.409631][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.409631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.409631][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.409631][ T10] netlink_unicast+0x449/0x710 [ 2702.409631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.409631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.409631][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.409631][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.409631][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.409631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.409631][ T10] [ 2702.411590][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2702.411590][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.411590][ T10] ipv6_find_idev+0x102/0x170 [ 2702.411590][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.411590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.411590][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.411590][ T10] netlink_unicast+0x449/0x710 [ 2702.411590][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.411590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.411590][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.411590][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.411590][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.411590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.411590][ T10] [ 2702.413097][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2702.413097][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.413097][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.413097][ T10] ipv6_find_idev+0x102/0x170 [ 2702.413097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.413097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.413097][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.413097][ T10] netlink_unicast+0x449/0x710 [ 2702.413097][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.413097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.413097][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.413097][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.413097][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.413097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.413097][ T10] [ 2702.414803][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2702.415119][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2702.415119][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.415119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.415119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.415119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.415119][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.415119][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.415119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.415119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.415119][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.415119][ T10] netlink_unicast+0x449/0x710 [ 2702.415119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.415119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.415119][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.415119][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.415119][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.415119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.415119][ T10] [ 2702.417184][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2702.417184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.417184][ T10] ipv6_find_idev+0x102/0x170 [ 2702.417184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.417184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.417184][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.417184][ T10] netlink_unicast+0x449/0x710 [ 2702.417184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.417184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.417184][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.417184][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.417184][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.417184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.417184][ T10] [ 2702.418879][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2702.418879][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.418879][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.418879][ T10] ipv6_find_idev+0x102/0x170 [ 2702.418879][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.418879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.418879][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.418879][ T10] netlink_unicast+0x449/0x710 [ 2702.418879][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.418879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.418879][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.418879][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.418879][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.418879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.418879][ T10] [ 2702.420858][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2702.421124][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2702.421124][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.421124][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.421124][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.421124][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.421124][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.421124][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.421124][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.421124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.421124][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.421124][ T10] netlink_unicast+0x449/0x710 [ 2702.421124][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.421124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.421124][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.421124][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.421124][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.421124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.421124][ T10] [ 2702.423274][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2702.423274][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.423274][ T10] ipv6_find_idev+0x102/0x170 [ 2702.423274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.423274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.423274][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.423274][ T10] netlink_unicast+0x449/0x710 [ 2702.423274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.423274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.423274][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.423274][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.423274][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.423274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.423274][ T10] [ 2702.425019][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2702.425019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.425019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.425019][ T10] ipv6_find_idev+0x102/0x170 [ 2702.425019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.425019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.425019][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.425019][ T10] netlink_unicast+0x449/0x710 [ 2702.425019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.425019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.425019][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.425019][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.425019][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.425019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.425019][ T10] [ 2702.426956][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2702.427224][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2702.427224][ T10] netdev_get_by_index+0x5e/0x80 [ 2702.427224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2702.427224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2702.427224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2702.427224][ T10] ipv6_add_addr+0x411/0x2000 [ 2702.427224][ T10] inet6_addr_add+0x30e/0xa40 [ 2702.427224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2702.427224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.427224][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.427224][ T10] netlink_unicast+0x449/0x710 [ 2702.427224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.427224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.427224][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.427224][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.427224][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.427224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.427224][ T10] [ 2702.429376][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2702.429376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2702.429376][ T10] ipv6_find_idev+0x102/0x170 [ 2702.429376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.429376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.429376][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.429376][ T10] netlink_unicast+0x449/0x710 [ 2702.429376][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.429376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.429376][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.429376][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.429376][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.429376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.429376][ T10] [ 2702.431086][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2702.431086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2702.431086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2702.431086][ T10] ipv6_find_idev+0x102/0x170 [ 2702.431086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2702.431086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2702.431086][ T10] netlink_rcv_skb+0x130/0x360 [ 2702.431086][ T10] netlink_unicast+0x449/0x710 [ 2702.431086][ T10] netlink_sendmsg+0x723/0xbe0 [ 2702.431086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2702.431086][ T10] ___sys_sendmsg+0xee/0x170 [ 2702.431086][ T10] __sys_sendmsg+0xcd/0x170 [ 2702.431086][ T10] do_syscall_64+0xc6/0x1e0 [ 2702.431086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2702.431086][ T10] [ 2712.658927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2712.659405][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2712.659405][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.659405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.659405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.659405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.659405][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.659405][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.659405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.659405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.659405][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.659405][ T10] netlink_unicast+0x449/0x710 [ 2712.659405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.659405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.659405][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.659405][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.659405][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.659405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.659405][ T10] [ 2712.662575][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2712.662575][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.662575][ T10] ipv6_find_idev+0x102/0x170 [ 2712.662575][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.662575][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.662575][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.662575][ T10] netlink_unicast+0x449/0x710 [ 2712.662575][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.662575][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.662575][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.662575][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.662575][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.662575][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.662575][ T10] [ 2712.665024][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2712.665024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.665024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.665024][ T10] ipv6_find_idev+0x102/0x170 [ 2712.665024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.665024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.665024][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.665024][ T10] netlink_unicast+0x449/0x710 [ 2712.665024][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.665024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.665024][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.665024][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.665024][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.665024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.665024][ T10] [ 2712.667710][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2712.668156][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2712.668156][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.668156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.668156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.668156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.668156][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.668156][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.668156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.668156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.668156][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.668156][ T10] netlink_unicast+0x449/0x710 [ 2712.668156][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.668156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.668156][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.668156][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.668156][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.668156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.668156][ T10] [ 2712.671905][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2712.671905][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.671905][ T10] ipv6_find_idev+0x102/0x170 [ 2712.671905][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.671905][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.671905][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.671905][ T10] netlink_unicast+0x449/0x710 [ 2712.671905][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.671905][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.671905][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.671905][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.671905][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.671905][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.671905][ T10] [ 2712.674347][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2712.674347][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.674347][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.674347][ T10] ipv6_find_idev+0x102/0x170 [ 2712.674347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.674347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.674347][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.674347][ T10] netlink_unicast+0x449/0x710 [ 2712.674347][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.674347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.674347][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.674347][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.674347][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.674347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.674347][ T10] [ 2712.677033][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2712.677465][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2712.677465][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.677465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.677465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.677465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.677465][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.677465][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.677465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.677465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.677465][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.677465][ T10] netlink_unicast+0x449/0x710 [ 2712.677465][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.677465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.677465][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.677465][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.677465][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.677465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.677465][ T10] [ 2712.680647][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2712.680647][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.680647][ T10] ipv6_find_idev+0x102/0x170 [ 2712.680647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.680647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.680647][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.680647][ T10] netlink_unicast+0x449/0x710 [ 2712.680647][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.680647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.680647][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.680647][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.680647][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.680647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.680647][ T10] [ 2712.683094][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2712.683094][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.683094][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.683094][ T10] ipv6_find_idev+0x102/0x170 [ 2712.683094][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.683094][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.683094][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.683094][ T10] netlink_unicast+0x449/0x710 [ 2712.683094][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.683094][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.683094][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.683094][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.683094][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.683094][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.683094][ T10] [ 2712.685774][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2712.686671][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2712.686671][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.686671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.686671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.686671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.686671][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.686671][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.686671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.686671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.686671][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.686671][ T10] netlink_unicast+0x449/0x710 [ 2712.686671][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.686671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.686671][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.686671][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.686671][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.686671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.686671][ T10] [ 2712.690201][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2712.690201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.690201][ T10] ipv6_find_idev+0x102/0x170 [ 2712.690201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.690201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.690201][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.690201][ T10] netlink_unicast+0x449/0x710 [ 2712.690201][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.690201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.690201][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.690201][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.690201][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.690201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.690201][ T10] [ 2712.692632][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2712.692632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.692632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.692632][ T10] ipv6_find_idev+0x102/0x170 [ 2712.692632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.692632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.692632][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.692632][ T10] netlink_unicast+0x449/0x710 [ 2712.692632][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.692632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.692632][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.692632][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.692632][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.692632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.692632][ T10] [ 2712.695354][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2712.695763][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2712.695763][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.695763][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.695763][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.695763][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.695763][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.695763][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.695763][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.695763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.695763][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.695763][ T10] netlink_unicast+0x449/0x710 [ 2712.695763][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.695763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.695763][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.695763][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.695763][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.695763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.695763][ T10] [ 2712.698934][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2712.698934][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.698934][ T10] ipv6_find_idev+0x102/0x170 [ 2712.698934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.698934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.698934][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.698934][ T10] netlink_unicast+0x449/0x710 [ 2712.698934][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.698934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.698934][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.698934][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.698934][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.698934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.698934][ T10] [ 2712.701389][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2712.701389][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.701389][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.701389][ T10] ipv6_find_idev+0x102/0x170 [ 2712.701389][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.701389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.701389][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.701389][ T10] netlink_unicast+0x449/0x710 [ 2712.701389][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.701389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.701389][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.701389][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.701389][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.701389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.701389][ T10] [ 2712.704140][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2712.704550][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2712.704550][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.704550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.704550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.704550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.704550][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.704550][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.704550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.704550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.704550][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.704550][ T10] netlink_unicast+0x449/0x710 [ 2712.704550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.704550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.704550][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.704550][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.704550][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.704550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.704550][ T10] [ 2712.707951][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2712.707951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.707951][ T10] ipv6_find_idev+0x102/0x170 [ 2712.707951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.707951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.707951][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.707951][ T10] netlink_unicast+0x449/0x710 [ 2712.707951][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.707951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.707951][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.707951][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.707951][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.707951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.707951][ T10] [ 2712.710782][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2712.710782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.710782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.710782][ T10] ipv6_find_idev+0x102/0x170 [ 2712.710782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.710782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.710782][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.710782][ T10] netlink_unicast+0x449/0x710 [ 2712.710782][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.710782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.710782][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.710782][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.710782][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.710782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.710782][ T10] [ 2712.713891][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2712.714312][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2712.714312][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.714312][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.714312][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.714312][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.714312][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.714312][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.714312][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.714312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.714312][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.714312][ T10] netlink_unicast+0x449/0x710 [ 2712.714312][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.714312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.714312][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.714312][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.714312][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.714312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.714312][ T10] [ 2712.717941][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2712.717941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.717941][ T10] ipv6_find_idev+0x102/0x170 [ 2712.717941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.717941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.717941][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.717941][ T10] netlink_unicast+0x449/0x710 [ 2712.717941][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.717941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.717941][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.717941][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.717941][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.717941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.717941][ T10] [ 2712.720738][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2712.720738][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.720738][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.720738][ T10] ipv6_find_idev+0x102/0x170 [ 2712.720738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.720738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.720738][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.720738][ T10] netlink_unicast+0x449/0x710 [ 2712.720738][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.720738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.720738][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.720738][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.720738][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.720738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.720738][ T10] [ 2712.723887][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2712.724295][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2712.724295][ T10] netdev_get_by_index+0x5e/0x80 [ 2712.724295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2712.724295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2712.724295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2712.724295][ T10] ipv6_add_addr+0x411/0x2000 [ 2712.724295][ T10] inet6_addr_add+0x30e/0xa40 [ 2712.724295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2712.724295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.724295][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.724295][ T10] netlink_unicast+0x449/0x710 [ 2712.724295][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.724295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.724295][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.724295][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.724295][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.724295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.724295][ T10] [ 2712.727917][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2712.727917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2712.727917][ T10] ipv6_find_idev+0x102/0x170 [ 2712.727917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.727917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.727917][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.727917][ T10] netlink_unicast+0x449/0x710 [ 2712.727917][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.727917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.727917][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.727917][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.727917][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.727917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.727917][ T10] [ 2712.730712][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2712.730712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2712.730712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2712.730712][ T10] ipv6_find_idev+0x102/0x170 [ 2712.730712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2712.730712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2712.730712][ T10] netlink_rcv_skb+0x130/0x360 [ 2712.730712][ T10] netlink_unicast+0x449/0x710 [ 2712.730712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2712.730712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2712.730712][ T10] ___sys_sendmsg+0xee/0x170 [ 2712.730712][ T10] __sys_sendmsg+0xcd/0x170 [ 2712.730712][ T10] do_syscall_64+0xc6/0x1e0 [ 2712.730712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2712.730712][ T10] [ 2722.802995][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2722.803405][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2722.803405][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.803405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.803405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.803405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.803405][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.803405][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.803405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.803405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.803405][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.803405][ T10] netlink_unicast+0x449/0x710 [ 2722.803405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.803405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.803405][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.803405][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.803405][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.803405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.803405][ T10] [ 2722.805441][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2722.805441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.805441][ T10] ipv6_find_idev+0x102/0x170 [ 2722.805441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.805441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.805441][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.805441][ T10] netlink_unicast+0x449/0x710 [ 2722.805441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.805441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.805441][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.805441][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.805441][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.805441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.805441][ T10] [ 2722.806963][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2722.806963][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.806963][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.806963][ T10] ipv6_find_idev+0x102/0x170 [ 2722.806963][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.806963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.806963][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.806963][ T10] netlink_unicast+0x449/0x710 [ 2722.806963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.806963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.806963][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.806963][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.806963][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.806963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.806963][ T10] [ 2722.808652][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2722.808948][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2722.808948][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.808948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.808948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.808948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.808948][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.808948][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.808948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.808948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.808948][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.808948][ T10] netlink_unicast+0x449/0x710 [ 2722.808948][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.808948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.808948][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.808948][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.808948][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.808948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.808948][ T10] [ 2722.810933][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2722.810933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.810933][ T10] ipv6_find_idev+0x102/0x170 [ 2722.810933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.810933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.810933][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.810933][ T10] netlink_unicast+0x449/0x710 [ 2722.810933][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.810933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.810933][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.810933][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.810933][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.810933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.810933][ T10] [ 2722.812458][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2722.812458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.812458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.812458][ T10] ipv6_find_idev+0x102/0x170 [ 2722.812458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.812458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.812458][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.812458][ T10] netlink_unicast+0x449/0x710 [ 2722.812458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.812458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.812458][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.812458][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.812458][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.812458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.812458][ T10] [ 2722.814129][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2722.814397][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2722.814397][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.814397][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.814397][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.814397][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.814397][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.814397][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.814397][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.814397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.814397][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.814397][ T10] netlink_unicast+0x449/0x710 [ 2722.814397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.814397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.814397][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.814397][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.814397][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.814397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.814397][ T10] [ 2722.816428][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2722.816428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.816428][ T10] ipv6_find_idev+0x102/0x170 [ 2722.816428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.816428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.816428][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.816428][ T10] netlink_unicast+0x449/0x710 [ 2722.816428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.816428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.816428][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.816428][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.816428][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.816428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.816428][ T10] [ 2722.817957][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2722.817957][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.817957][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.817957][ T10] ipv6_find_idev+0x102/0x170 [ 2722.817957][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.817957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.817957][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.817957][ T10] netlink_unicast+0x449/0x710 [ 2722.817957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.817957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.817957][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.817957][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.817957][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.817957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.817957][ T10] [ 2722.819635][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2722.820338][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2722.820338][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.820338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.820338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.820338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.820338][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.820338][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.820338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.820338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.820338][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.820338][ T10] netlink_unicast+0x449/0x710 [ 2722.820338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.820338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.820338][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.820338][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.820338][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.820338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.820338][ T10] [ 2722.822313][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2722.822313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.822313][ T10] ipv6_find_idev+0x102/0x170 [ 2722.822313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.822313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.822313][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.822313][ T10] netlink_unicast+0x449/0x710 [ 2722.822313][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.822313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.822313][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.822313][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.822313][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.822313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.822313][ T10] [ 2722.823855][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2722.823855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.823855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.823855][ T10] ipv6_find_idev+0x102/0x170 [ 2722.823855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.823855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.823855][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.823855][ T10] netlink_unicast+0x449/0x710 [ 2722.823855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.823855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.823855][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.823855][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.823855][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.823855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.823855][ T10] [ 2722.825598][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2722.825918][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2722.825918][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.825918][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.825918][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.825918][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.825918][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.825918][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.825918][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.825918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.825918][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.825918][ T10] netlink_unicast+0x449/0x710 [ 2722.825918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.825918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.825918][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.825918][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.825918][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.825918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.825918][ T10] [ 2722.828329][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2722.828329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.828329][ T10] ipv6_find_idev+0x102/0x170 [ 2722.828329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.828329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.828329][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.828329][ T10] netlink_unicast+0x449/0x710 [ 2722.828329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.828329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.828329][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.828329][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.828329][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.828329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.828329][ T10] [ 2722.829855][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2722.829855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.829855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.829855][ T10] ipv6_find_idev+0x102/0x170 [ 2722.829855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.829855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.829855][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.829855][ T10] netlink_unicast+0x449/0x710 [ 2722.829855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.829855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.829855][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.829855][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.829855][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.829855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.829855][ T10] [ 2722.831589][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2722.831911][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2722.831911][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.831911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.831911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.831911][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.831911][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.831911][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.831911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.831911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.831911][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.831911][ T10] netlink_unicast+0x449/0x710 [ 2722.831911][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.831911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.831911][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.831911][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.831911][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.831911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.831911][ T10] [ 2722.833891][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2722.833891][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.833891][ T10] ipv6_find_idev+0x102/0x170 [ 2722.833891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.833891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.833891][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.833891][ T10] netlink_unicast+0x449/0x710 [ 2722.833891][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.833891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.833891][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.833891][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.833891][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.833891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.833891][ T10] [ 2722.835600][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2722.835600][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.835600][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.835600][ T10] ipv6_find_idev+0x102/0x170 [ 2722.835600][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.835600][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.835600][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.835600][ T10] netlink_unicast+0x449/0x710 [ 2722.835600][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.835600][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.835600][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.835600][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.835600][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.835600][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.835600][ T10] [ 2722.837553][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2722.837860][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2722.837860][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.837860][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.837860][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.837860][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.837860][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.837860][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.837860][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.837860][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.837860][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.837860][ T10] netlink_unicast+0x449/0x710 [ 2722.837860][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.837860][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.837860][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.837860][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.837860][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.837860][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.837860][ T10] [ 2722.840017][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2722.840017][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.840017][ T10] ipv6_find_idev+0x102/0x170 [ 2722.840017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.840017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.840017][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.840017][ T10] netlink_unicast+0x449/0x710 [ 2722.840017][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.840017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.840017][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.840017][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.840017][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.840017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.840017][ T10] [ 2722.841725][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2722.841725][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.841725][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.841725][ T10] ipv6_find_idev+0x102/0x170 [ 2722.841725][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.841725][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.841725][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.841725][ T10] netlink_unicast+0x449/0x710 [ 2722.841725][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.841725][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.841725][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.841725][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.841725][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.841725][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.841725][ T10] [ 2722.843675][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2722.844008][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2722.844008][ T10] netdev_get_by_index+0x5e/0x80 [ 2722.844008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2722.844008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2722.844008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2722.844008][ T10] ipv6_add_addr+0x411/0x2000 [ 2722.844008][ T10] inet6_addr_add+0x30e/0xa40 [ 2722.844008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2722.844008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.844008][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.844008][ T10] netlink_unicast+0x449/0x710 [ 2722.844008][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.844008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.844008][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.844008][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.844008][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.844008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.844008][ T10] [ 2722.846162][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2722.846162][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2722.846162][ T10] ipv6_find_idev+0x102/0x170 [ 2722.846162][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.846162][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.846162][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.846162][ T10] netlink_unicast+0x449/0x710 [ 2722.846162][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.846162][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.846162][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.846162][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.846162][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.846162][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.846162][ T10] [ 2722.847921][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2722.847921][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2722.847921][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2722.847921][ T10] ipv6_find_idev+0x102/0x170 [ 2722.847921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2722.847921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2722.847921][ T10] netlink_rcv_skb+0x130/0x360 [ 2722.847921][ T10] netlink_unicast+0x449/0x710 [ 2722.847921][ T10] netlink_sendmsg+0x723/0xbe0 [ 2722.847921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2722.847921][ T10] ___sys_sendmsg+0xee/0x170 [ 2722.847921][ T10] __sys_sendmsg+0xcd/0x170 [ 2722.847921][ T10] do_syscall_64+0xc6/0x1e0 [ 2722.847921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2722.847921][ T10] [ 2733.090915][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2733.091398][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2733.091398][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.091398][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.091398][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.091398][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.091398][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.091398][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.091398][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.091398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.091398][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.091398][ T10] netlink_unicast+0x449/0x710 [ 2733.091398][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.091398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.091398][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.091398][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.091398][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.091398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.091398][ T10] [ 2733.093422][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2733.093422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.093422][ T10] ipv6_find_idev+0x102/0x170 [ 2733.093422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.093422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.093422][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.093422][ T10] netlink_unicast+0x449/0x710 [ 2733.093422][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.093422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.093422][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.093422][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.093422][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.093422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.093422][ T10] [ 2733.094962][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2733.094962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.094962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.094962][ T10] ipv6_find_idev+0x102/0x170 [ 2733.094962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.094962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.094962][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.094962][ T10] netlink_unicast+0x449/0x710 [ 2733.094962][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.094962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.094962][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.094962][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.094962][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.094962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.094962][ T10] [ 2733.096655][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2733.096946][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2733.096946][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.096946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.096946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.096946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.096946][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.096946][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.096946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.096946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.096946][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.096946][ T10] netlink_unicast+0x449/0x710 [ 2733.096946][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.096946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.096946][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.096946][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.096946][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.096946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.096946][ T10] [ 2733.098938][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2733.098938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.098938][ T10] ipv6_find_idev+0x102/0x170 [ 2733.098938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.098938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.098938][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.098938][ T10] netlink_unicast+0x449/0x710 [ 2733.098938][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.098938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.098938][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.098938][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.098938][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.098938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.098938][ T10] [ 2733.100488][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2733.100488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.100488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.100488][ T10] ipv6_find_idev+0x102/0x170 [ 2733.100488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.100488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.100488][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.100488][ T10] netlink_unicast+0x449/0x710 [ 2733.100488][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.100488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.100488][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.100488][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.100488][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.100488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.100488][ T10] [ 2733.102190][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2733.102464][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2733.102464][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.102464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.102464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.102464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.102464][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.102464][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.102464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.102464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.102464][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.102464][ T10] netlink_unicast+0x449/0x710 [ 2733.102464][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.102464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.102464][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.102464][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.102464][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.102464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.102464][ T10] [ 2733.104466][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2733.104466][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.104466][ T10] ipv6_find_idev+0x102/0x170 [ 2733.104466][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.104466][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.104466][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.104466][ T10] netlink_unicast+0x449/0x710 [ 2733.104466][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.104466][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.104466][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.104466][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.104466][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.104466][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.104466][ T10] [ 2733.106002][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2733.106002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.106002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.106002][ T10] ipv6_find_idev+0x102/0x170 [ 2733.106002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.106002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.106002][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.106002][ T10] netlink_unicast+0x449/0x710 [ 2733.106002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.106002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.106002][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.106002][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.106002][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.106002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.106002][ T10] [ 2733.107686][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2733.108392][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2733.108392][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.108392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.108392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.108392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.108392][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.108392][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.108392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.108392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.108392][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.108392][ T10] netlink_unicast+0x449/0x710 [ 2733.108392][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.108392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.108392][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.108392][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.108392][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.108392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.108392][ T10] [ 2733.110388][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2733.110388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.110388][ T10] ipv6_find_idev+0x102/0x170 [ 2733.110388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.110388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.110388][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.110388][ T10] netlink_unicast+0x449/0x710 [ 2733.110388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.110388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.110388][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.110388][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.110388][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.110388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.110388][ T10] [ 2733.111924][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2733.111924][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.111924][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.111924][ T10] ipv6_find_idev+0x102/0x170 [ 2733.111924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.111924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.111924][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.111924][ T10] netlink_unicast+0x449/0x710 [ 2733.111924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.111924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.111924][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.111924][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.111924][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.111924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.111924][ T10] [ 2733.113652][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2733.113980][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2733.113980][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.113980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.113980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.113980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.113980][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.113980][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.113980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.113980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.113980][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.113980][ T10] netlink_unicast+0x449/0x710 [ 2733.113980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.113980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.113980][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.113980][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.113980][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.113980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.113980][ T10] [ 2733.116109][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2733.116109][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.116109][ T10] ipv6_find_idev+0x102/0x170 [ 2733.116109][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.116109][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.116109][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.116109][ T10] netlink_unicast+0x449/0x710 [ 2733.116109][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.116109][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.116109][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.116109][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.116109][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.116109][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.116109][ T10] [ 2733.117653][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2733.117653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.117653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.117653][ T10] ipv6_find_idev+0x102/0x170 [ 2733.117653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.117653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.117653][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.117653][ T10] netlink_unicast+0x449/0x710 [ 2733.117653][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.117653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.117653][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.117653][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.117653][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.117653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.117653][ T10] [ 2733.119376][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2733.119692][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2733.119692][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.119692][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.119692][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.119692][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.119692][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.119692][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.119692][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.119692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.119692][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.119692][ T10] netlink_unicast+0x449/0x710 [ 2733.119692][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.119692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.119692][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.119692][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.119692][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.119692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.119692][ T10] [ 2733.121687][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2733.121687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.121687][ T10] ipv6_find_idev+0x102/0x170 [ 2733.121687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.121687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.121687][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.121687][ T10] netlink_unicast+0x449/0x710 [ 2733.121687][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.121687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.121687][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.121687][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.121687][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.121687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.121687][ T10] [ 2733.123403][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2733.123403][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.123403][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.123403][ T10] ipv6_find_idev+0x102/0x170 [ 2733.123403][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.123403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.123403][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.123403][ T10] netlink_unicast+0x449/0x710 [ 2733.123403][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.123403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.123403][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.123403][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.123403][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.123403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.123403][ T10] [ 2733.125314][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2733.125622][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2733.125622][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.125622][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.125622][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.125622][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.125622][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.125622][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.125622][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.125622][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.125622][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.125622][ T10] netlink_unicast+0x449/0x710 [ 2733.125622][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.125622][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.125622][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.125622][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.125622][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.125622][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.125622][ T10] [ 2733.127854][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2733.127854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.127854][ T10] ipv6_find_idev+0x102/0x170 [ 2733.127854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.127854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.127854][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.127854][ T10] netlink_unicast+0x449/0x710 [ 2733.127854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.127854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.127854][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.127854][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.127854][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.127854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.127854][ T10] [ 2733.129564][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2733.129564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.129564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.129564][ T10] ipv6_find_idev+0x102/0x170 [ 2733.129564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.129564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.129564][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.129564][ T10] netlink_unicast+0x449/0x710 [ 2733.129564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.129564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.129564][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.129564][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.129564][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.129564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.129564][ T10] [ 2733.131528][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2733.131838][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2733.131838][ T10] netdev_get_by_index+0x5e/0x80 [ 2733.131838][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2733.131838][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2733.131838][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2733.131838][ T10] ipv6_add_addr+0x411/0x2000 [ 2733.131838][ T10] inet6_addr_add+0x30e/0xa40 [ 2733.131838][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2733.131838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.131838][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.131838][ T10] netlink_unicast+0x449/0x710 [ 2733.131838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.131838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.131838][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.131838][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.131838][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.131838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.131838][ T10] [ 2733.133991][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2733.133991][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2733.133991][ T10] ipv6_find_idev+0x102/0x170 [ 2733.133991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.133991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.133991][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.133991][ T10] netlink_unicast+0x449/0x710 [ 2733.133991][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.133991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.133991][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.133991][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.133991][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.133991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.133991][ T10] [ 2733.135699][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2733.135699][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2733.135699][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2733.135699][ T10] ipv6_find_idev+0x102/0x170 [ 2733.135699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2733.135699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2733.135699][ T10] netlink_rcv_skb+0x130/0x360 [ 2733.135699][ T10] netlink_unicast+0x449/0x710 [ 2733.135699][ T10] netlink_sendmsg+0x723/0xbe0 [ 2733.135699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2733.135699][ T10] ___sys_sendmsg+0xee/0x170 [ 2733.135699][ T10] __sys_sendmsg+0xcd/0x170 [ 2733.135699][ T10] do_syscall_64+0xc6/0x1e0 [ 2733.135699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2733.135699][ T10] [ 2743.378914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2743.379401][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2743.379401][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.379401][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.379401][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.379401][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.379401][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.379401][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.379401][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.379401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.379401][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.379401][ T10] netlink_unicast+0x449/0x710 [ 2743.379401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.379401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.379401][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.379401][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.379401][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.379401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.379401][ T10] [ 2743.381429][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2743.381429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.381429][ T10] ipv6_find_idev+0x102/0x170 [ 2743.381429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.381429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.381429][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.381429][ T10] netlink_unicast+0x449/0x710 [ 2743.381429][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.381429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.381429][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.381429][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.381429][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.381429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.381429][ T10] [ 2743.382966][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2743.382966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.382966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.382966][ T10] ipv6_find_idev+0x102/0x170 [ 2743.382966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.382966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.382966][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.382966][ T10] netlink_unicast+0x449/0x710 [ 2743.382966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.382966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.382966][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.382966][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.382966][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.382966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.382966][ T10] [ 2743.384655][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2743.384947][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2743.384947][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.384947][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.384947][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.384947][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.384947][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.384947][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.384947][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.384947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.384947][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.384947][ T10] netlink_unicast+0x449/0x710 [ 2743.384947][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.384947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.384947][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.384947][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.384947][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.384947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.384947][ T10] [ 2743.386939][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2743.386939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.386939][ T10] ipv6_find_idev+0x102/0x170 [ 2743.386939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.386939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.386939][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.386939][ T10] netlink_unicast+0x449/0x710 [ 2743.386939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.386939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.386939][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.386939][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.386939][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.386939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.386939][ T10] [ 2743.388470][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2743.388470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.388470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.388470][ T10] ipv6_find_idev+0x102/0x170 [ 2743.388470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.388470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.388470][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.388470][ T10] netlink_unicast+0x449/0x710 [ 2743.388470][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.388470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.388470][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.388470][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.388470][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.388470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.388470][ T10] [ 2743.390149][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2743.390419][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2743.390419][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.390419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.390419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.390419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.390419][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.390419][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.390419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.390419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.390419][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.390419][ T10] netlink_unicast+0x449/0x710 [ 2743.390419][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.390419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.390419][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.390419][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.390419][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.390419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.390419][ T10] [ 2743.392394][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2743.392394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.392394][ T10] ipv6_find_idev+0x102/0x170 [ 2743.392394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.392394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.392394][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.392394][ T10] netlink_unicast+0x449/0x710 [ 2743.392394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.392394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.392394][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.392394][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.392394][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.392394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.392394][ T10] [ 2743.393918][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2743.393918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.393918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.393918][ T10] ipv6_find_idev+0x102/0x170 [ 2743.393918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.393918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.393918][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.393918][ T10] netlink_unicast+0x449/0x710 [ 2743.393918][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.393918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.393918][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.393918][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.393918][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.393918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.393918][ T10] [ 2743.395598][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2743.395865][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2743.395865][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.395865][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.395865][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.395865][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.395865][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.395865][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.395865][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.395865][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.395865][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.395865][ T10] netlink_unicast+0x449/0x710 [ 2743.395865][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.395865][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.395865][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.395865][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.395865][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.395865][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.395865][ T10] [ 2743.397844][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2743.397844][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.397844][ T10] ipv6_find_idev+0x102/0x170 [ 2743.397844][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.397844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.397844][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.397844][ T10] netlink_unicast+0x449/0x710 [ 2743.397844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.397844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.397844][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.397844][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.397844][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.397844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.397844][ T10] [ 2743.399369][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2743.399369][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.399369][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.399369][ T10] ipv6_find_idev+0x102/0x170 [ 2743.399369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.399369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.399369][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.399369][ T10] netlink_unicast+0x449/0x710 [ 2743.399369][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.399369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.399369][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.399369][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.399369][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.399369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.399369][ T10] [ 2743.401479][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2743.402083][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2743.402083][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.402083][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.402083][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.402083][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.402083][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.402083][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.402083][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.402083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.402083][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.402083][ T10] netlink_unicast+0x449/0x710 [ 2743.402083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.402083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.402083][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.402083][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.402083][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.402083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.402083][ T10] [ 2743.404057][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2743.404057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.404057][ T10] ipv6_find_idev+0x102/0x170 [ 2743.404057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.404057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.404057][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.404057][ T10] netlink_unicast+0x449/0x710 [ 2743.404057][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.404057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.404057][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.404057][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.404057][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.404057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.404057][ T10] [ 2743.405582][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2743.405582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.405582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.405582][ T10] ipv6_find_idev+0x102/0x170 [ 2743.405582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.405582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.405582][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.405582][ T10] netlink_unicast+0x449/0x710 [ 2743.405582][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.405582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.405582][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.405582][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.405582][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.405582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.405582][ T10] [ 2743.407247][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2743.407515][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2743.407515][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.407515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.407515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.407515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.407515][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.407515][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.407515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.407515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.407515][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.407515][ T10] netlink_unicast+0x449/0x710 [ 2743.407515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.407515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.407515][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.407515][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.407515][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.407515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.407515][ T10] [ 2743.409507][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2743.409507][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.409507][ T10] ipv6_find_idev+0x102/0x170 [ 2743.409507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.409507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.409507][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.409507][ T10] netlink_unicast+0x449/0x710 [ 2743.409507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.409507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.409507][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.409507][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.409507][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.409507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.409507][ T10] [ 2743.411132][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2743.411132][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.411132][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.411132][ T10] ipv6_find_idev+0x102/0x170 [ 2743.411132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.411132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.411132][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.411132][ T10] netlink_unicast+0x449/0x710 [ 2743.411132][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.411132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.411132][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.411132][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.411132][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.411132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.411132][ T10] [ 2743.412912][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2743.413220][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2743.413220][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.413220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.413220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.413220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.413220][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.413220][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.413220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.413220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.413220][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.413220][ T10] netlink_unicast+0x449/0x710 [ 2743.413220][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.413220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.413220][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.413220][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.413220][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.413220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.413220][ T10] [ 2743.415341][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2743.415341][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.415341][ T10] ipv6_find_idev+0x102/0x170 [ 2743.415341][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.415341][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.415341][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.415341][ T10] netlink_unicast+0x449/0x710 [ 2743.415341][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.415341][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.415341][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.415341][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.415341][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.415341][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.415341][ T10] [ 2743.417500][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2743.417500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.417500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.417500][ T10] ipv6_find_idev+0x102/0x170 [ 2743.417500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.417500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.417500][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.417500][ T10] netlink_unicast+0x449/0x710 [ 2743.417500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.417500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.417500][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.417500][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.417500][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.417500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.417500][ T10] [ 2743.419355][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2743.419672][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2743.419672][ T10] netdev_get_by_index+0x5e/0x80 [ 2743.419672][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2743.419672][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2743.419672][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2743.419672][ T10] ipv6_add_addr+0x411/0x2000 [ 2743.419672][ T10] inet6_addr_add+0x30e/0xa40 [ 2743.419672][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2743.419672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.419672][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.419672][ T10] netlink_unicast+0x449/0x710 [ 2743.419672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.419672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.419672][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.419672][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.419672][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.419672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.419672][ T10] [ 2743.421838][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2743.421838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2743.421838][ T10] ipv6_find_idev+0x102/0x170 [ 2743.421838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.421838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.421838][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.421838][ T10] netlink_unicast+0x449/0x710 [ 2743.421838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.421838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.421838][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.421838][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.421838][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.421838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.421838][ T10] [ 2743.423485][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2743.423485][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2743.423485][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2743.423485][ T10] ipv6_find_idev+0x102/0x170 [ 2743.423485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2743.423485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2743.423485][ T10] netlink_rcv_skb+0x130/0x360 [ 2743.423485][ T10] netlink_unicast+0x449/0x710 [ 2743.423485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2743.423485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2743.423485][ T10] ___sys_sendmsg+0xee/0x170 [ 2743.423485][ T10] __sys_sendmsg+0xcd/0x170 [ 2743.423485][ T10] do_syscall_64+0xc6/0x1e0 [ 2743.423485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2743.423485][ T10] [ 2753.666892][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2753.667337][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2753.667337][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.667337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.667337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.667337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.667337][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.667337][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.667337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.667337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.667337][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.667337][ T10] netlink_unicast+0x449/0x710 [ 2753.667337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.667337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.667337][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.667337][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.667337][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.667337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.667337][ T10] [ 2753.669337][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2753.669337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.669337][ T10] ipv6_find_idev+0x102/0x170 [ 2753.669337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.669337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.669337][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.669337][ T10] netlink_unicast+0x449/0x710 [ 2753.669337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.669337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.669337][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.669337][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.669337][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.669337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.669337][ T10] [ 2753.670859][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2753.670859][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.670859][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.670859][ T10] ipv6_find_idev+0x102/0x170 [ 2753.670859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.670859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.670859][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.670859][ T10] netlink_unicast+0x449/0x710 [ 2753.670859][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.670859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.670859][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.670859][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.670859][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.670859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.670859][ T10] [ 2753.672529][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2753.672796][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2753.672796][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.672796][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.672796][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.672796][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.672796][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.672796][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.672796][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.672796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.672796][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.672796][ T10] netlink_unicast+0x449/0x710 [ 2753.672796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.672796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.672796][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.672796][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.672796][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.672796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.672796][ T10] [ 2753.675258][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2753.675258][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.675258][ T10] ipv6_find_idev+0x102/0x170 [ 2753.675258][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.675258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.675258][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.675258][ T10] netlink_unicast+0x449/0x710 [ 2753.675258][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.675258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.675258][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.675258][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.675258][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.675258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.675258][ T10] [ 2753.676766][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2753.676766][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.676766][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.676766][ T10] ipv6_find_idev+0x102/0x170 [ 2753.676766][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.676766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.676766][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.676766][ T10] netlink_unicast+0x449/0x710 [ 2753.676766][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.676766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.676766][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.676766][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.676766][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.676766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.676766][ T10] [ 2753.678421][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2753.678681][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2753.678681][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.678681][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.678681][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.678681][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.678681][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.678681][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.678681][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.678681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.678681][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.678681][ T10] netlink_unicast+0x449/0x710 [ 2753.678681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.678681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.678681][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.678681][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.678681][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.678681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.678681][ T10] [ 2753.680660][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2753.680660][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.680660][ T10] ipv6_find_idev+0x102/0x170 [ 2753.680660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.680660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.680660][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.680660][ T10] netlink_unicast+0x449/0x710 [ 2753.680660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.680660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.680660][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.680660][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.680660][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.680660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.680660][ T10] [ 2753.682172][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2753.682172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.682172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.682172][ T10] ipv6_find_idev+0x102/0x170 [ 2753.682172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.682172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.682172][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.682172][ T10] netlink_unicast+0x449/0x710 [ 2753.682172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.682172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.682172][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.682172][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.682172][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.682172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.682172][ T10] [ 2753.683865][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2753.684144][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2753.684144][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.684144][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.684144][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.684144][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.684144][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.684144][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.684144][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.684144][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.684144][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.684144][ T10] netlink_unicast+0x449/0x710 [ 2753.684144][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.684144][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.684144][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.684144][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.684144][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.684144][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.684144][ T10] [ 2753.686108][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2753.686108][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.686108][ T10] ipv6_find_idev+0x102/0x170 [ 2753.686108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.686108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.686108][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.686108][ T10] netlink_unicast+0x449/0x710 [ 2753.686108][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.686108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.686108][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.686108][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.686108][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.686108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.686108][ T10] [ 2753.687634][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2753.687634][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.687634][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.687634][ T10] ipv6_find_idev+0x102/0x170 [ 2753.687634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.687634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.687634][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.687634][ T10] netlink_unicast+0x449/0x710 [ 2753.687634][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.687634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.687634][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.687634][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.687634][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.687634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.687634][ T10] [ 2753.689293][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2753.689548][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2753.689548][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.689548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.689548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.689548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.689548][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.689548][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.689548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.689548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.689548][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.689548][ T10] netlink_unicast+0x449/0x710 [ 2753.689548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.689548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.689548][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.689548][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.689548][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.689548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.689548][ T10] [ 2753.691513][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2753.691513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.691513][ T10] ipv6_find_idev+0x102/0x170 [ 2753.691513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.691513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.691513][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.691513][ T10] netlink_unicast+0x449/0x710 [ 2753.691513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.691513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.691513][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.691513][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.691513][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.691513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.691513][ T10] [ 2753.693078][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2753.693078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.693078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.693078][ T10] ipv6_find_idev+0x102/0x170 [ 2753.693078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.693078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.693078][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.693078][ T10] netlink_unicast+0x449/0x710 [ 2753.693078][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.693078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.693078][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.693078][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.693078][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.693078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.693078][ T10] [ 2753.695028][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2753.695288][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2753.695288][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.695288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.695288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.695288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.695288][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.695288][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.695288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.695288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.695288][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.695288][ T10] netlink_unicast+0x449/0x710 [ 2753.695288][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.695288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.695288][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.695288][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.695288][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.695288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.695288][ T10] [ 2753.697904][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2753.697904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.697904][ T10] ipv6_find_idev+0x102/0x170 [ 2753.697904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.697904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.697904][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.697904][ T10] netlink_unicast+0x449/0x710 [ 2753.697904][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.697904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.697904][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.697904][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.697904][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.697904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.697904][ T10] [ 2753.699602][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2753.699602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.699602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.699602][ T10] ipv6_find_idev+0x102/0x170 [ 2753.699602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.699602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.699602][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.699602][ T10] netlink_unicast+0x449/0x710 [ 2753.699602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.699602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.699602][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.699602][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.699602][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.699602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.699602][ T10] [ 2753.701485][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2753.701744][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2753.701744][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.701744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.701744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.701744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.701744][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.701744][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.701744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.701744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.701744][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.701744][ T10] netlink_unicast+0x449/0x710 [ 2753.701744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.701744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.701744][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.701744][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.701744][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.701744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.701744][ T10] [ 2753.703955][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2753.703955][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.703955][ T10] ipv6_find_idev+0x102/0x170 [ 2753.703955][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.703955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.703955][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.703955][ T10] netlink_unicast+0x449/0x710 [ 2753.703955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.703955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.703955][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.703955][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.703955][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.703955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.703955][ T10] [ 2753.705709][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2753.705709][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.705709][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.705709][ T10] ipv6_find_idev+0x102/0x170 [ 2753.705709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.705709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.705709][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.705709][ T10] netlink_unicast+0x449/0x710 [ 2753.705709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.705709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.705709][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.705709][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.705709][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.705709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.705709][ T10] [ 2753.707577][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2753.707844][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2753.707844][ T10] netdev_get_by_index+0x5e/0x80 [ 2753.707844][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2753.707844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2753.707844][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2753.707844][ T10] ipv6_add_addr+0x411/0x2000 [ 2753.707844][ T10] inet6_addr_add+0x30e/0xa40 [ 2753.707844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2753.707844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.707844][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.707844][ T10] netlink_unicast+0x449/0x710 [ 2753.707844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.707844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.707844][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.707844][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.707844][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.707844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.707844][ T10] [ 2753.710047][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2753.710047][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2753.710047][ T10] ipv6_find_idev+0x102/0x170 [ 2753.710047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.710047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.710047][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.710047][ T10] netlink_unicast+0x449/0x710 [ 2753.710047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.710047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.710047][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.710047][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.710047][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.710047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.710047][ T10] [ 2753.711677][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2753.711677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2753.711677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2753.711677][ T10] ipv6_find_idev+0x102/0x170 [ 2753.711677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2753.711677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2753.711677][ T10] netlink_rcv_skb+0x130/0x360 [ 2753.711677][ T10] netlink_unicast+0x449/0x710 [ 2753.711677][ T10] netlink_sendmsg+0x723/0xbe0 [ 2753.711677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2753.711677][ T10] ___sys_sendmsg+0xee/0x170 [ 2753.711677][ T10] __sys_sendmsg+0xcd/0x170 [ 2753.711677][ T10] do_syscall_64+0xc6/0x1e0 [ 2753.711677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2753.711677][ T10] [ 2763.858898][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2763.859309][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2763.859309][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.859309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.859309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.859309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.859309][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.859309][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.859309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.859309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.859309][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.859309][ T10] netlink_unicast+0x449/0x710 [ 2763.859309][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.859309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.859309][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.859309][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.859309][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.859309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.859309][ T10] [ 2763.861331][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2763.861331][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.861331][ T10] ipv6_find_idev+0x102/0x170 [ 2763.861331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.861331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.861331][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.861331][ T10] netlink_unicast+0x449/0x710 [ 2763.861331][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.861331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.861331][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.861331][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.861331][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.861331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.861331][ T10] [ 2763.862863][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2763.862863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.862863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.862863][ T10] ipv6_find_idev+0x102/0x170 [ 2763.862863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.862863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.862863][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.862863][ T10] netlink_unicast+0x449/0x710 [ 2763.862863][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.862863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.862863][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.862863][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.862863][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.862863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.862863][ T10] [ 2763.864559][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2763.864855][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2763.864855][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.864855][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.864855][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.864855][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.864855][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.864855][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.864855][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.864855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.864855][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.864855][ T10] netlink_unicast+0x449/0x710 [ 2763.864855][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.864855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.864855][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.864855][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.864855][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.864855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.864855][ T10] [ 2763.866847][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2763.866847][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.866847][ T10] ipv6_find_idev+0x102/0x170 [ 2763.866847][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.866847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.866847][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.866847][ T10] netlink_unicast+0x449/0x710 [ 2763.866847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.866847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.866847][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.866847][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.866847][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.866847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.866847][ T10] [ 2763.868383][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2763.868383][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.868383][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.868383][ T10] ipv6_find_idev+0x102/0x170 [ 2763.868383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.868383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.868383][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.868383][ T10] netlink_unicast+0x449/0x710 [ 2763.868383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.868383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.868383][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.868383][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.868383][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.868383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.868383][ T10] [ 2763.870111][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2763.870405][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2763.870405][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.870405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.870405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.870405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.870405][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.870405][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.870405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.870405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.870405][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.870405][ T10] netlink_unicast+0x449/0x710 [ 2763.870405][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.870405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.870405][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.870405][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.870405][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.870405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.870405][ T10] [ 2763.872388][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2763.872388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.872388][ T10] ipv6_find_idev+0x102/0x170 [ 2763.872388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.872388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.872388][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.872388][ T10] netlink_unicast+0x449/0x710 [ 2763.872388][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.872388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.872388][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.872388][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.872388][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.872388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.872388][ T10] [ 2763.873914][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2763.873914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.873914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.873914][ T10] ipv6_find_idev+0x102/0x170 [ 2763.873914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.873914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.873914][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.873914][ T10] netlink_unicast+0x449/0x710 [ 2763.873914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.873914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.873914][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.873914][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.873914][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.873914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.873914][ T10] [ 2763.875603][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2763.876329][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2763.876329][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.876329][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.876329][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.876329][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.876329][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.876329][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.876329][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.876329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.876329][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.876329][ T10] netlink_unicast+0x449/0x710 [ 2763.876329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.876329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.876329][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.876329][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.876329][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.876329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.876329][ T10] [ 2763.878310][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2763.878310][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.878310][ T10] ipv6_find_idev+0x102/0x170 [ 2763.878310][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.878310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.878310][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.878310][ T10] netlink_unicast+0x449/0x710 [ 2763.878310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.878310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.878310][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.878310][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.878310][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.878310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.878310][ T10] [ 2763.879835][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2763.879835][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.879835][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.879835][ T10] ipv6_find_idev+0x102/0x170 [ 2763.879835][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.879835][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.879835][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.879835][ T10] netlink_unicast+0x449/0x710 [ 2763.879835][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.879835][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.879835][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.879835][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.879835][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.879835][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.879835][ T10] [ 2763.881594][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2763.881926][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2763.881926][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.881926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.881926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.881926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.881926][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.881926][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.881926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.881926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.881926][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.881926][ T10] netlink_unicast+0x449/0x710 [ 2763.881926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.881926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.881926][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.881926][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.881926][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.881926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.881926][ T10] [ 2763.883954][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2763.883954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.883954][ T10] ipv6_find_idev+0x102/0x170 [ 2763.883954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.883954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.883954][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.883954][ T10] netlink_unicast+0x449/0x710 [ 2763.883954][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.883954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.883954][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.883954][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.883954][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.883954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.883954][ T10] [ 2763.885507][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2763.885507][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.885507][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.885507][ T10] ipv6_find_idev+0x102/0x170 [ 2763.885507][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.885507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.885507][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.885507][ T10] netlink_unicast+0x449/0x710 [ 2763.885507][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.885507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.885507][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.885507][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.885507][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.885507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.885507][ T10] [ 2763.887275][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2763.887592][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2763.887592][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.887592][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.887592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.887592][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.887592][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.887592][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.887592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.887592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.887592][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.887592][ T10] netlink_unicast+0x449/0x710 [ 2763.887592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.887592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.887592][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.887592][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.887592][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.887592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.887592][ T10] [ 2763.889607][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2763.889607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.889607][ T10] ipv6_find_idev+0x102/0x170 [ 2763.889607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.889607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.889607][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.889607][ T10] netlink_unicast+0x449/0x710 [ 2763.889607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.889607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.889607][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.889607][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.889607][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.889607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.889607][ T10] [ 2763.891346][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2763.891346][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.891346][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.891346][ T10] ipv6_find_idev+0x102/0x170 [ 2763.891346][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.891346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.891346][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.891346][ T10] netlink_unicast+0x449/0x710 [ 2763.891346][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.891346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.891346][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.891346][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.891346][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.891346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.891346][ T10] [ 2763.893309][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2763.893619][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2763.893619][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.893619][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.893619][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.893619][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.893619][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.893619][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.893619][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.893619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.893619][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.893619][ T10] netlink_unicast+0x449/0x710 [ 2763.893619][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.893619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.893619][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.893619][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.893619][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.893619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.893619][ T10] [ 2763.895814][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2763.895814][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.895814][ T10] ipv6_find_idev+0x102/0x170 [ 2763.895814][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.895814][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.895814][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.895814][ T10] netlink_unicast+0x449/0x710 [ 2763.895814][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.895814][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.895814][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.895814][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.895814][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.895814][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.895814][ T10] [ 2763.897528][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2763.897528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.897528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.897528][ T10] ipv6_find_idev+0x102/0x170 [ 2763.897528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.897528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.897528][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.897528][ T10] netlink_unicast+0x449/0x710 [ 2763.897528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.897528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.897528][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.897528][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.897528][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.897528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.897528][ T10] [ 2763.899547][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2763.899876][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2763.899876][ T10] netdev_get_by_index+0x5e/0x80 [ 2763.899876][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2763.899876][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2763.899876][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2763.899876][ T10] ipv6_add_addr+0x411/0x2000 [ 2763.899876][ T10] inet6_addr_add+0x30e/0xa40 [ 2763.899876][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2763.899876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.899876][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.899876][ T10] netlink_unicast+0x449/0x710 [ 2763.899876][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.899876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.899876][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.899876][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.899876][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.899876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.899876][ T10] [ 2763.902137][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2763.902137][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2763.902137][ T10] ipv6_find_idev+0x102/0x170 [ 2763.902137][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.902137][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.902137][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.902137][ T10] netlink_unicast+0x449/0x710 [ 2763.902137][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.902137][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.902137][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.902137][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.902137][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.902137][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.902137][ T10] [ 2763.903863][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2763.903863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2763.903863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2763.903863][ T10] ipv6_find_idev+0x102/0x170 [ 2763.903863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2763.903863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2763.903863][ T10] netlink_rcv_skb+0x130/0x360 [ 2763.903863][ T10] netlink_unicast+0x449/0x710 [ 2763.903863][ T10] netlink_sendmsg+0x723/0xbe0 [ 2763.903863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2763.903863][ T10] ___sys_sendmsg+0xee/0x170 [ 2763.903863][ T10] __sys_sendmsg+0xcd/0x170 [ 2763.903863][ T10] do_syscall_64+0xc6/0x1e0 [ 2763.903863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2763.903863][ T10] [ 2774.147006][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2774.147421][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2774.147421][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.147421][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.147421][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.147421][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.147421][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.147421][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.147421][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.147421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.147421][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.147421][ T10] netlink_unicast+0x449/0x710 [ 2774.147421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.147421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.147421][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.147421][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.147421][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.147421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.147421][ T10] [ 2774.149462][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2774.149462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.149462][ T10] ipv6_find_idev+0x102/0x170 [ 2774.149462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.149462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.149462][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.149462][ T10] netlink_unicast+0x449/0x710 [ 2774.149462][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.149462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.149462][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.149462][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.149462][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.149462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.149462][ T10] [ 2774.151007][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2774.151007][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.151007][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.151007][ T10] ipv6_find_idev+0x102/0x170 [ 2774.151007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.151007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.151007][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.151007][ T10] netlink_unicast+0x449/0x710 [ 2774.151007][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.151007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.151007][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.151007][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.151007][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.151007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.151007][ T10] [ 2774.152703][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2774.153023][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2774.153023][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.153023][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.153023][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.153023][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.153023][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.153023][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.153023][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.153023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.153023][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.153023][ T10] netlink_unicast+0x449/0x710 [ 2774.153023][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.153023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.153023][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.153023][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.153023][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.153023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.153023][ T10] [ 2774.154999][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2774.154999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.154999][ T10] ipv6_find_idev+0x102/0x170 [ 2774.154999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.154999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.154999][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.154999][ T10] netlink_unicast+0x449/0x710 [ 2774.154999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.154999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.154999][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.154999][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.154999][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.154999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.154999][ T10] [ 2774.156528][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2774.156528][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.156528][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.156528][ T10] ipv6_find_idev+0x102/0x170 [ 2774.156528][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.156528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.156528][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.156528][ T10] netlink_unicast+0x449/0x710 [ 2774.156528][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.156528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.156528][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.156528][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.156528][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.156528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.156528][ T10] [ 2774.158203][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2774.158487][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2774.158487][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.158487][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.158487][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.158487][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.158487][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.158487][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.158487][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.158487][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.158487][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.158487][ T10] netlink_unicast+0x449/0x710 [ 2774.158487][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.158487][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.158487][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.158487][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.158487][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.158487][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.158487][ T10] [ 2774.160479][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2774.160479][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.160479][ T10] ipv6_find_idev+0x102/0x170 [ 2774.160479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.160479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.160479][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.160479][ T10] netlink_unicast+0x449/0x710 [ 2774.160479][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.160479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.160479][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.160479][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.160479][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.160479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.160479][ T10] [ 2774.162018][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2774.162018][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.162018][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.162018][ T10] ipv6_find_idev+0x102/0x170 [ 2774.162018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.162018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.162018][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.162018][ T10] netlink_unicast+0x449/0x710 [ 2774.162018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.162018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.162018][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.162018][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.162018][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.162018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.162018][ T10] [ 2774.163691][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2774.164420][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2774.164420][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.164420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.164420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.164420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.164420][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.164420][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.164420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.164420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.164420][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.164420][ T10] netlink_unicast+0x449/0x710 [ 2774.164420][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.164420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.164420][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.164420][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.164420][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.164420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.164420][ T10] [ 2774.166441][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2774.166441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.166441][ T10] ipv6_find_idev+0x102/0x170 [ 2774.166441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.166441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.166441][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.166441][ T10] netlink_unicast+0x449/0x710 [ 2774.166441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.166441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.166441][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.166441][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.166441][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.166441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.166441][ T10] [ 2774.167970][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2774.167970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.167970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.167970][ T10] ipv6_find_idev+0x102/0x170 [ 2774.167970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.167970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.167970][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.167970][ T10] netlink_unicast+0x449/0x710 [ 2774.167970][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.167970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.167970][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.167970][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.167970][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.167970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.167970][ T10] [ 2774.169731][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2774.170066][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2774.170066][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.170066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.170066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.170066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.170066][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.170066][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.170066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.170066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.170066][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.170066][ T10] netlink_unicast+0x449/0x710 [ 2774.170066][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.170066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.170066][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.170066][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.170066][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.170066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.170066][ T10] [ 2774.172053][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2774.172053][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.172053][ T10] ipv6_find_idev+0x102/0x170 [ 2774.172053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.172053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.172053][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.172053][ T10] netlink_unicast+0x449/0x710 [ 2774.172053][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.172053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.172053][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.172053][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.172053][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.172053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.172053][ T10] [ 2774.173579][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2774.173579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.173579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.173579][ T10] ipv6_find_idev+0x102/0x170 [ 2774.173579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.173579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.173579][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.173579][ T10] netlink_unicast+0x449/0x710 [ 2774.173579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.173579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.173579][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.173579][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.173579][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.173579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.173579][ T10] [ 2774.175327][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2774.175640][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2774.175640][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.175640][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.175640][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.175640][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.175640][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.175640][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.175640][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.175640][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.175640][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.175640][ T10] netlink_unicast+0x449/0x710 [ 2774.175640][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.175640][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.175640][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.175640][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.175640][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.175640][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.175640][ T10] [ 2774.177629][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2774.177629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.177629][ T10] ipv6_find_idev+0x102/0x170 [ 2774.177629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.177629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.177629][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.177629][ T10] netlink_unicast+0x449/0x710 [ 2774.177629][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.177629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.177629][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.177629][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.177629][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.177629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.177629][ T10] [ 2774.179337][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2774.179337][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.179337][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.179337][ T10] ipv6_find_idev+0x102/0x170 [ 2774.179337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.179337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.179337][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.179337][ T10] netlink_unicast+0x449/0x710 [ 2774.179337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.179337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.179337][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.179337][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.179337][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.179337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.179337][ T10] [ 2774.181332][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2774.181646][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2774.181646][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.181646][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.181646][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.181646][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.181646][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.181646][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.181646][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.181646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.181646][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.181646][ T10] netlink_unicast+0x449/0x710 [ 2774.181646][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.181646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.181646][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.181646][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.181646][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.181646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.181646][ T10] [ 2774.183811][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2774.183811][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.183811][ T10] ipv6_find_idev+0x102/0x170 [ 2774.183811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.183811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.183811][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.183811][ T10] netlink_unicast+0x449/0x710 [ 2774.183811][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.183811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.183811][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.183811][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.183811][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.183811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.183811][ T10] [ 2774.185517][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2774.185517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.185517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.185517][ T10] ipv6_find_idev+0x102/0x170 [ 2774.185517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.185517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.185517][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.185517][ T10] netlink_unicast+0x449/0x710 [ 2774.185517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.185517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.185517][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.185517][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.185517][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.185517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.185517][ T10] [ 2774.187529][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2774.187847][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2774.187847][ T10] netdev_get_by_index+0x5e/0x80 [ 2774.187847][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2774.187847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2774.187847][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2774.187847][ T10] ipv6_add_addr+0x411/0x2000 [ 2774.187847][ T10] inet6_addr_add+0x30e/0xa40 [ 2774.187847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2774.187847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.187847][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.187847][ T10] netlink_unicast+0x449/0x710 [ 2774.187847][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.187847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.187847][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.187847][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.187847][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.187847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.187847][ T10] [ 2774.190031][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2774.190031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2774.190031][ T10] ipv6_find_idev+0x102/0x170 [ 2774.190031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.190031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.190031][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.190031][ T10] netlink_unicast+0x449/0x710 [ 2774.190031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.190031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.190031][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.190031][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.190031][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.190031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.190031][ T10] [ 2774.191810][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2774.191810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2774.191810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2774.191810][ T10] ipv6_find_idev+0x102/0x170 [ 2774.191810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2774.191810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2774.191810][ T10] netlink_rcv_skb+0x130/0x360 [ 2774.191810][ T10] netlink_unicast+0x449/0x710 [ 2774.191810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2774.191810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2774.191810][ T10] ___sys_sendmsg+0xee/0x170 [ 2774.191810][ T10] __sys_sendmsg+0xcd/0x170 [ 2774.191810][ T10] do_syscall_64+0xc6/0x1e0 [ 2774.191810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2774.191810][ T10] [ 2784.434974][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2784.435370][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2784.435370][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.435370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.435370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.435370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.435370][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.435370][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.435370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.435370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.435370][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.435370][ T10] netlink_unicast+0x449/0x710 [ 2784.435370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.435370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.435370][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.435370][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.435370][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.435370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.435370][ T10] [ 2784.437362][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2784.437362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.437362][ T10] ipv6_find_idev+0x102/0x170 [ 2784.437362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.437362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.437362][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.437362][ T10] netlink_unicast+0x449/0x710 [ 2784.437362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.437362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.437362][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.437362][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.437362][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.437362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.437362][ T10] [ 2784.438890][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2784.438890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.438890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.438890][ T10] ipv6_find_idev+0x102/0x170 [ 2784.438890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.438890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.438890][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.438890][ T10] netlink_unicast+0x449/0x710 [ 2784.438890][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.438890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.438890][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.438890][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.438890][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.438890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.438890][ T10] [ 2784.440584][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2784.440854][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2784.440854][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.440854][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.440854][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.440854][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.440854][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.440854][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.440854][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.440854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.440854][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.440854][ T10] netlink_unicast+0x449/0x710 [ 2784.440854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.440854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.440854][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.440854][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.440854][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.440854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.440854][ T10] [ 2784.442837][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2784.442837][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.442837][ T10] ipv6_find_idev+0x102/0x170 [ 2784.442837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.442837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.442837][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.442837][ T10] netlink_unicast+0x449/0x710 [ 2784.442837][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.442837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.442837][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.442837][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.442837][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.442837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.442837][ T10] [ 2784.444365][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2784.444365][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.444365][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.444365][ T10] ipv6_find_idev+0x102/0x170 [ 2784.444365][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.444365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.444365][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.444365][ T10] netlink_unicast+0x449/0x710 [ 2784.444365][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.444365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.444365][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.444365][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.444365][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.444365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.444365][ T10] [ 2784.446037][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2784.446308][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2784.446308][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.446308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.446308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.446308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.446308][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.446308][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.446308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.446308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.446308][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.446308][ T10] netlink_unicast+0x449/0x710 [ 2784.446308][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.446308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.446308][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.446308][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.446308][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.446308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.446308][ T10] [ 2784.448294][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2784.448294][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.448294][ T10] ipv6_find_idev+0x102/0x170 [ 2784.448294][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.448294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.448294][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.448294][ T10] netlink_unicast+0x449/0x710 [ 2784.448294][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.448294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.448294][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.448294][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.448294][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.448294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.448294][ T10] [ 2784.449823][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2784.449823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.449823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.449823][ T10] ipv6_find_idev+0x102/0x170 [ 2784.449823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.449823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.449823][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.449823][ T10] netlink_unicast+0x449/0x710 [ 2784.449823][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.449823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.449823][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.449823][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.449823][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.449823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.449823][ T10] [ 2784.451525][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2784.451799][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2784.451799][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.451799][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.451799][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.451799][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.451799][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.451799][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.451799][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.451799][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.451799][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.451799][ T10] netlink_unicast+0x449/0x710 [ 2784.451799][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.451799][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.451799][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.451799][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.451799][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.451799][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.451799][ T10] [ 2784.453819][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2784.453819][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.453819][ T10] ipv6_find_idev+0x102/0x170 [ 2784.453819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.453819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.453819][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.453819][ T10] netlink_unicast+0x449/0x710 [ 2784.453819][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.453819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.453819][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.453819][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.453819][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.453819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.453819][ T10] [ 2784.455348][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2784.455348][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.455348][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.455348][ T10] ipv6_find_idev+0x102/0x170 [ 2784.455348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.455348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.455348][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.455348][ T10] netlink_unicast+0x449/0x710 [ 2784.455348][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.455348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.455348][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.455348][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.455348][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.455348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.455348][ T10] [ 2784.457439][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2784.458059][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2784.458059][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.458059][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.458059][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.458059][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.458059][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.458059][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.458059][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.458059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.458059][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.458059][ T10] netlink_unicast+0x449/0x710 [ 2784.458059][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.458059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.458059][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.458059][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.458059][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.458059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.458059][ T10] [ 2784.460074][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2784.460074][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.460074][ T10] ipv6_find_idev+0x102/0x170 [ 2784.460074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.460074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.460074][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.460074][ T10] netlink_unicast+0x449/0x710 [ 2784.460074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.460074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.460074][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.460074][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.460074][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.460074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.460074][ T10] [ 2784.461628][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2784.461628][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.461628][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.461628][ T10] ipv6_find_idev+0x102/0x170 [ 2784.461628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.461628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.461628][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.461628][ T10] netlink_unicast+0x449/0x710 [ 2784.461628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.461628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.461628][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.461628][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.461628][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.461628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.461628][ T10] [ 2784.463301][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2784.463568][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2784.463568][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.463568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.463568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.463568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.463568][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.463568][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.463568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.463568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.463568][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.463568][ T10] netlink_unicast+0x449/0x710 [ 2784.463568][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.463568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.463568][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.463568][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.463568][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.463568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.463568][ T10] [ 2784.465546][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2784.465546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.465546][ T10] ipv6_find_idev+0x102/0x170 [ 2784.465546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.465546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.465546][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.465546][ T10] netlink_unicast+0x449/0x710 [ 2784.465546][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.465546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.465546][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.465546][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.465546][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.465546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.465546][ T10] [ 2784.467129][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2784.467129][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.467129][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.467129][ T10] ipv6_find_idev+0x102/0x170 [ 2784.467129][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.467129][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.467129][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.467129][ T10] netlink_unicast+0x449/0x710 [ 2784.467129][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.467129][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.467129][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.467129][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.467129][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.467129][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.467129][ T10] [ 2784.469024][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2784.469328][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2784.469328][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.469328][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.469328][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.469328][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.469328][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.469328][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.469328][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.469328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.469328][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.469328][ T10] netlink_unicast+0x449/0x710 [ 2784.469328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.469328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.469328][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.469328][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.469328][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.469328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.469328][ T10] [ 2784.471503][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2784.471503][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.471503][ T10] ipv6_find_idev+0x102/0x170 [ 2784.471503][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.471503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.471503][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.471503][ T10] netlink_unicast+0x449/0x710 [ 2784.471503][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.471503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.471503][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.471503][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.471503][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.471503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.471503][ T10] [ 2784.473262][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2784.473262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.473262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.473262][ T10] ipv6_find_idev+0x102/0x170 [ 2784.473262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.473262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.473262][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.473262][ T10] netlink_unicast+0x449/0x710 [ 2784.473262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.473262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.473262][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.473262][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.473262][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.473262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.473262][ T10] [ 2784.475208][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2784.475519][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2784.475519][ T10] netdev_get_by_index+0x5e/0x80 [ 2784.475519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2784.475519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2784.475519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2784.475519][ T10] ipv6_add_addr+0x411/0x2000 [ 2784.475519][ T10] inet6_addr_add+0x30e/0xa40 [ 2784.475519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2784.475519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.475519][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.475519][ T10] netlink_unicast+0x449/0x710 [ 2784.475519][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.475519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.475519][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.475519][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.475519][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.475519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.475519][ T10] [ 2784.477670][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2784.477670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2784.477670][ T10] ipv6_find_idev+0x102/0x170 [ 2784.477670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.477670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.477670][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.477670][ T10] netlink_unicast+0x449/0x710 [ 2784.477670][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.477670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.477670][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.477670][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.477670][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.477670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.477670][ T10] [ 2784.479326][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2784.479326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2784.479326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2784.479326][ T10] ipv6_find_idev+0x102/0x170 [ 2784.479326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2784.479326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2784.479326][ T10] netlink_rcv_skb+0x130/0x360 [ 2784.479326][ T10] netlink_unicast+0x449/0x710 [ 2784.479326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2784.479326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2784.479326][ T10] ___sys_sendmsg+0xee/0x170 [ 2784.479326][ T10] __sys_sendmsg+0xcd/0x170 [ 2784.479326][ T10] do_syscall_64+0xc6/0x1e0 [ 2784.479326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2784.479326][ T10] [ 2794.722979][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2794.723433][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2794.723433][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.723433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.723433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.723433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.723433][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.723433][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.723433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.723433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.723433][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.723433][ T10] netlink_unicast+0x449/0x710 [ 2794.723433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.723433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.723433][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.723433][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.723433][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.723433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.723433][ T10] [ 2794.725430][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2794.725430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.725430][ T10] ipv6_find_idev+0x102/0x170 [ 2794.725430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.725430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.725430][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.725430][ T10] netlink_unicast+0x449/0x710 [ 2794.725430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.725430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.725430][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.725430][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.725430][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.725430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.725430][ T10] [ 2794.726961][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2794.726961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.726961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.726961][ T10] ipv6_find_idev+0x102/0x170 [ 2794.726961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.726961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.726961][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.726961][ T10] netlink_unicast+0x449/0x710 [ 2794.726961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.726961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.726961][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.726961][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.726961][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.726961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.726961][ T10] [ 2794.728651][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2794.728968][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2794.728968][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.728968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.728968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.728968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.728968][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.728968][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.728968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.728968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.728968][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.728968][ T10] netlink_unicast+0x449/0x710 [ 2794.728968][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.728968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.728968][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.728968][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.728968][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.728968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.728968][ T10] [ 2794.731009][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2794.731009][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.731009][ T10] ipv6_find_idev+0x102/0x170 [ 2794.731009][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.731009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.731009][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.731009][ T10] netlink_unicast+0x449/0x710 [ 2794.731009][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.731009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.731009][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.731009][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.731009][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.731009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.731009][ T10] [ 2794.732602][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2794.732602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.732602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.732602][ T10] ipv6_find_idev+0x102/0x170 [ 2794.732602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.732602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.732602][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.732602][ T10] netlink_unicast+0x449/0x710 [ 2794.732602][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.732602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.732602][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.732602][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.732602][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.732602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.732602][ T10] [ 2794.734307][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2794.734592][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2794.734592][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.734592][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.734592][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.734592][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.734592][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.734592][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.734592][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.734592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.734592][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.734592][ T10] netlink_unicast+0x449/0x710 [ 2794.734592][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.734592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.734592][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.734592][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.734592][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.734592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.734592][ T10] [ 2794.736584][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2794.736584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.736584][ T10] ipv6_find_idev+0x102/0x170 [ 2794.736584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.736584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.736584][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.736584][ T10] netlink_unicast+0x449/0x710 [ 2794.736584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.736584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.736584][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.736584][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.736584][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.736584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.736584][ T10] [ 2794.738229][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2794.738229][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.738229][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.738229][ T10] ipv6_find_idev+0x102/0x170 [ 2794.738229][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.738229][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.738229][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.738229][ T10] netlink_unicast+0x449/0x710 [ 2794.738229][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.738229][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.738229][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.738229][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.738229][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.738229][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.738229][ T10] [ 2794.739932][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2794.740224][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2794.740224][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.740224][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.740224][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.740224][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.740224][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.740224][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.740224][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.740224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.740224][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.740224][ T10] netlink_unicast+0x449/0x710 [ 2794.740224][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.740224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.740224][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.740224][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.740224][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.740224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.740224][ T10] [ 2794.742227][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2794.742227][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.742227][ T10] ipv6_find_idev+0x102/0x170 [ 2794.742227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.742227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.742227][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.742227][ T10] netlink_unicast+0x449/0x710 [ 2794.742227][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.742227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.742227][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.742227][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.742227][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.742227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.742227][ T10] [ 2794.743756][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2794.743756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.743756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.743756][ T10] ipv6_find_idev+0x102/0x170 [ 2794.743756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.743756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.743756][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.743756][ T10] netlink_unicast+0x449/0x710 [ 2794.743756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.743756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.743756][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.743756][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.743756][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.743756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.743756][ T10] [ 2794.745879][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2794.746481][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2794.746481][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.746481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.746481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.746481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.746481][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.746481][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.746481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.746481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.746481][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.746481][ T10] netlink_unicast+0x449/0x710 [ 2794.746481][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.746481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.746481][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.746481][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.746481][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.746481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.746481][ T10] [ 2794.748494][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2794.748494][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.748494][ T10] ipv6_find_idev+0x102/0x170 [ 2794.748494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.748494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.748494][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.748494][ T10] netlink_unicast+0x449/0x710 [ 2794.748494][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.748494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.748494][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.748494][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.748494][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.748494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.748494][ T10] [ 2794.750048][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2794.750048][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.750048][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.750048][ T10] ipv6_find_idev+0x102/0x170 [ 2794.750048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.750048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.750048][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.750048][ T10] netlink_unicast+0x449/0x710 [ 2794.750048][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.750048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.750048][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.750048][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.750048][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.750048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.750048][ T10] [ 2794.751745][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2794.752101][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2794.752101][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.752101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.752101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.752101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.752101][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.752101][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.752101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.752101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.752101][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.752101][ T10] netlink_unicast+0x449/0x710 [ 2794.752101][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.752101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.752101][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.752101][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.752101][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.752101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.752101][ T10] [ 2794.754079][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2794.754079][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.754079][ T10] ipv6_find_idev+0x102/0x170 [ 2794.754079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.754079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.754079][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.754079][ T10] netlink_unicast+0x449/0x710 [ 2794.754079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.754079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.754079][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.754079][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.754079][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.754079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.754079][ T10] [ 2794.755613][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2794.755613][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.755613][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.755613][ T10] ipv6_find_idev+0x102/0x170 [ 2794.755613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.755613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.755613][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.755613][ T10] netlink_unicast+0x449/0x710 [ 2794.755613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.755613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.755613][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.755613][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.755613][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.755613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.755613][ T10] [ 2794.758162][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2794.758480][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2794.758480][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.758480][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.758480][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.758480][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.758480][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.758480][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.758480][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.758480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.758480][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.758480][ T10] netlink_unicast+0x449/0x710 [ 2794.758480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.758480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.758480][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.758480][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.758480][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.758480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.758480][ T10] [ 2794.760685][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2794.760685][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.760685][ T10] ipv6_find_idev+0x102/0x170 [ 2794.760685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.760685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.760685][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.760685][ T10] netlink_unicast+0x449/0x710 [ 2794.760685][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.760685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.760685][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.760685][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.760685][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.760685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.760685][ T10] [ 2794.762433][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2794.762433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.762433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.762433][ T10] ipv6_find_idev+0x102/0x170 [ 2794.762433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.762433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.762433][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.762433][ T10] netlink_unicast+0x449/0x710 [ 2794.762433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.762433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.762433][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.762433][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.762433][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.762433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.762433][ T10] [ 2794.764380][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2794.764697][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2794.764697][ T10] netdev_get_by_index+0x5e/0x80 [ 2794.764697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2794.764697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2794.764697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2794.764697][ T10] ipv6_add_addr+0x411/0x2000 [ 2794.764697][ T10] inet6_addr_add+0x30e/0xa40 [ 2794.764697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2794.764697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.764697][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.764697][ T10] netlink_unicast+0x449/0x710 [ 2794.764697][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.764697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.764697][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.764697][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.764697][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.764697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.764697][ T10] [ 2794.766900][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2794.766900][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2794.766900][ T10] ipv6_find_idev+0x102/0x170 [ 2794.766900][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.766900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.766900][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.766900][ T10] netlink_unicast+0x449/0x710 [ 2794.766900][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.766900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.766900][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.766900][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.766900][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.766900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.766900][ T10] [ 2794.768624][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2794.768624][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2794.768624][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2794.768624][ T10] ipv6_find_idev+0x102/0x170 [ 2794.768624][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2794.768624][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2794.768624][ T10] netlink_rcv_skb+0x130/0x360 [ 2794.768624][ T10] netlink_unicast+0x449/0x710 [ 2794.768624][ T10] netlink_sendmsg+0x723/0xbe0 [ 2794.768624][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2794.768624][ T10] ___sys_sendmsg+0xee/0x170 [ 2794.768624][ T10] __sys_sendmsg+0xcd/0x170 [ 2794.768624][ T10] do_syscall_64+0xc6/0x1e0 [ 2794.768624][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2794.768624][ T10] [ 2804.890961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2804.891425][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2804.891425][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.891425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.891425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.891425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.891425][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.891425][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.891425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.891425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.891425][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.891425][ T10] netlink_unicast+0x449/0x710 [ 2804.891425][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.891425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.891425][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.891425][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.891425][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.891425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.891425][ T10] [ 2804.893824][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2804.893824][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.893824][ T10] ipv6_find_idev+0x102/0x170 [ 2804.893824][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.893824][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.893824][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.893824][ T10] netlink_unicast+0x449/0x710 [ 2804.893824][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.893824][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.893824][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.893824][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.893824][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.893824][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.893824][ T10] [ 2804.895356][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2804.895356][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.895356][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.895356][ T10] ipv6_find_idev+0x102/0x170 [ 2804.895356][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.895356][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.895356][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.895356][ T10] netlink_unicast+0x449/0x710 [ 2804.895356][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.895356][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.895356][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.895356][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.895356][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.895356][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.895356][ T10] [ 2804.897044][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2804.897350][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2804.897350][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.897350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.897350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.897350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.897350][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.897350][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.897350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.897350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.897350][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.897350][ T10] netlink_unicast+0x449/0x710 [ 2804.897350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.897350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.897350][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.897350][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.897350][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.897350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.897350][ T10] [ 2804.899333][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2804.899333][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.899333][ T10] ipv6_find_idev+0x102/0x170 [ 2804.899333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.899333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.899333][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.899333][ T10] netlink_unicast+0x449/0x710 [ 2804.899333][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.899333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.899333][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.899333][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.899333][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.899333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.899333][ T10] [ 2804.900873][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2804.900873][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.900873][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.900873][ T10] ipv6_find_idev+0x102/0x170 [ 2804.900873][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.900873][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.900873][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.900873][ T10] netlink_unicast+0x449/0x710 [ 2804.900873][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.900873][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.900873][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.900873][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.900873][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.900873][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.900873][ T10] [ 2804.902559][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2804.902843][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2804.902843][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.902843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.902843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.902843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.902843][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.902843][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.902843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.902843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.902843][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.902843][ T10] netlink_unicast+0x449/0x710 [ 2804.902843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.902843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.902843][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.902843][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.902843][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.902843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.902843][ T10] [ 2804.904820][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2804.904820][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.904820][ T10] ipv6_find_idev+0x102/0x170 [ 2804.904820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.904820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.904820][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.904820][ T10] netlink_unicast+0x449/0x710 [ 2804.904820][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.904820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.904820][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.904820][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.904820][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.904820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.904820][ T10] [ 2804.906361][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2804.906361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.906361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.906361][ T10] ipv6_find_idev+0x102/0x170 [ 2804.906361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.906361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.906361][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.906361][ T10] netlink_unicast+0x449/0x710 [ 2804.906361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.906361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.906361][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.906361][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.906361][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.906361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.906361][ T10] [ 2804.908037][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2804.908326][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2804.908326][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.908326][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.908326][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.908326][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.908326][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.908326][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.908326][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.908326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.908326][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.908326][ T10] netlink_unicast+0x449/0x710 [ 2804.908326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.908326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.908326][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.908326][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.908326][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.908326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.908326][ T10] [ 2804.910332][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2804.910332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.910332][ T10] ipv6_find_idev+0x102/0x170 [ 2804.910332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.910332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.910332][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.910332][ T10] netlink_unicast+0x449/0x710 [ 2804.910332][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.910332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.910332][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.910332][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.910332][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.910332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.910332][ T10] [ 2804.911854][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2804.911854][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.911854][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.911854][ T10] ipv6_find_idev+0x102/0x170 [ 2804.911854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.911854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.911854][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.911854][ T10] netlink_unicast+0x449/0x710 [ 2804.911854][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.911854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.911854][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.911854][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.911854][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.911854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.911854][ T10] [ 2804.913966][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2804.914562][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2804.914562][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.914562][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.914562][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.914562][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.914562][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.914562][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.914562][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.914562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.914562][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.914562][ T10] netlink_unicast+0x449/0x710 [ 2804.914562][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.914562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.914562][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.914562][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.914562][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.914562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.914562][ T10] [ 2804.916537][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2804.916537][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.916537][ T10] ipv6_find_idev+0x102/0x170 [ 2804.916537][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.916537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.916537][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.916537][ T10] netlink_unicast+0x449/0x710 [ 2804.916537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.916537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.916537][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.916537][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.916537][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.916537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.916537][ T10] [ 2804.918065][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2804.918065][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.918065][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.918065][ T10] ipv6_find_idev+0x102/0x170 [ 2804.918065][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.918065][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.918065][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.918065][ T10] netlink_unicast+0x449/0x710 [ 2804.918065][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.918065][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.918065][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.918065][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.918065][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.918065][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.918065][ T10] [ 2804.919742][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2804.920103][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2804.920103][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.920103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.920103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.920103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.920103][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.920103][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.920103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.920103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.920103][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.920103][ T10] netlink_unicast+0x449/0x710 [ 2804.920103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.920103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.920103][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.920103][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.920103][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.920103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.920103][ T10] [ 2804.922085][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2804.922085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.922085][ T10] ipv6_find_idev+0x102/0x170 [ 2804.922085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.922085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.922085][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.922085][ T10] netlink_unicast+0x449/0x710 [ 2804.922085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.922085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.922085][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.922085][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.922085][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.922085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.922085][ T10] [ 2804.923712][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2804.923712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.923712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.923712][ T10] ipv6_find_idev+0x102/0x170 [ 2804.923712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.923712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.923712][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.923712][ T10] netlink_unicast+0x449/0x710 [ 2804.923712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.923712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.923712][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.923712][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.923712][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.923712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.923712][ T10] [ 2804.925747][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2804.926068][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2804.926068][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.926068][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.926068][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.926068][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.926068][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.926068][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.926068][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.926068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.926068][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.926068][ T10] netlink_unicast+0x449/0x710 [ 2804.926068][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.926068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.926068][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.926068][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.926068][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.926068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.926068][ T10] [ 2804.928230][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2804.928230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.928230][ T10] ipv6_find_idev+0x102/0x170 [ 2804.928230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.928230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.928230][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.928230][ T10] netlink_unicast+0x449/0x710 [ 2804.928230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.928230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.928230][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.928230][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.928230][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.928230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.928230][ T10] [ 2804.929946][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2804.929946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.929946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.929946][ T10] ipv6_find_idev+0x102/0x170 [ 2804.929946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.929946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.929946][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.929946][ T10] netlink_unicast+0x449/0x710 [ 2804.929946][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.929946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.929946][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.929946][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.929946][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.929946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.929946][ T10] [ 2804.931889][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2804.932209][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2804.932209][ T10] netdev_get_by_index+0x5e/0x80 [ 2804.932209][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2804.932209][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2804.932209][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2804.932209][ T10] ipv6_add_addr+0x411/0x2000 [ 2804.932209][ T10] inet6_addr_add+0x30e/0xa40 [ 2804.932209][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2804.932209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.932209][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.932209][ T10] netlink_unicast+0x449/0x710 [ 2804.932209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.932209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.932209][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.932209][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.932209][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.932209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.932209][ T10] [ 2804.934378][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2804.934378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2804.934378][ T10] ipv6_find_idev+0x102/0x170 [ 2804.934378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.934378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.934378][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.934378][ T10] netlink_unicast+0x449/0x710 [ 2804.934378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.934378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.934378][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.934378][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.934378][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.934378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.934378][ T10] [ 2804.936076][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2804.936076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2804.936076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2804.936076][ T10] ipv6_find_idev+0x102/0x170 [ 2804.936076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2804.936076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2804.936076][ T10] netlink_rcv_skb+0x130/0x360 [ 2804.936076][ T10] netlink_unicast+0x449/0x710 [ 2804.936076][ T10] netlink_sendmsg+0x723/0xbe0 [ 2804.936076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2804.936076][ T10] ___sys_sendmsg+0xee/0x170 [ 2804.936076][ T10] __sys_sendmsg+0xcd/0x170 [ 2804.936076][ T10] do_syscall_64+0xc6/0x1e0 [ 2804.936076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2804.936076][ T10] [ 2815.186948][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2815.187612][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2815.187612][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.187612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.187612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.187612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.187612][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.187612][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.187612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.187612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.187612][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.187612][ T10] netlink_unicast+0x449/0x710 [ 2815.187612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.187612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.187612][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.187612][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.187612][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.187612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.187612][ T10] [ 2815.190584][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2815.190584][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.190584][ T10] ipv6_find_idev+0x102/0x170 [ 2815.190584][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.190584][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.190584][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.190584][ T10] netlink_unicast+0x449/0x710 [ 2815.190584][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.190584][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.190584][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.190584][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.190584][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.190584][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.190584][ T10] [ 2815.192809][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2815.192809][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.192809][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.192809][ T10] ipv6_find_idev+0x102/0x170 [ 2815.192809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.192809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.192809][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.192809][ T10] netlink_unicast+0x449/0x710 [ 2815.192809][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.192809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.192809][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.192809][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.192809][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.192809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.192809][ T10] [ 2815.195315][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2815.195737][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2815.195737][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.195737][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.195737][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.195737][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.195737][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.195737][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.195737][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.195737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.195737][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.195737][ T10] netlink_unicast+0x449/0x710 [ 2815.195737][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.195737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.195737][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.195737][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.195737][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.195737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.195737][ T10] [ 2815.198845][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2815.198845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.198845][ T10] ipv6_find_idev+0x102/0x170 [ 2815.198845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.198845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.198845][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.198845][ T10] netlink_unicast+0x449/0x710 [ 2815.198845][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.198845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.198845][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.198845][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.198845][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.198845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.198845][ T10] [ 2815.201230][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2815.201230][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.201230][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.201230][ T10] ipv6_find_idev+0x102/0x170 [ 2815.201230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.201230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.201230][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.201230][ T10] netlink_unicast+0x449/0x710 [ 2815.201230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.201230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.201230][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.201230][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.201230][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.201230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.201230][ T10] [ 2815.203854][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2815.204273][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2815.204273][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.204273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.204273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.204273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.204273][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.204273][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.204273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.204273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.204273][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.204273][ T10] netlink_unicast+0x449/0x710 [ 2815.204273][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.204273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.204273][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.204273][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.204273][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.204273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.204273][ T10] [ 2815.207339][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2815.207339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.207339][ T10] ipv6_find_idev+0x102/0x170 [ 2815.207339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.207339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.207339][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.207339][ T10] netlink_unicast+0x449/0x710 [ 2815.207339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.207339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.207339][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.207339][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.207339][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.207339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.207339][ T10] [ 2815.209712][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2815.209712][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.209712][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.209712][ T10] ipv6_find_idev+0x102/0x170 [ 2815.209712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.209712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.209712][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.209712][ T10] netlink_unicast+0x449/0x710 [ 2815.209712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.209712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.209712][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.209712][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.209712][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.209712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.209712][ T10] [ 2815.212375][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2815.212787][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2815.212787][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.212787][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.212787][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.212787][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.212787][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.212787][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.212787][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.212787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.212787][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.212787][ T10] netlink_unicast+0x449/0x710 [ 2815.212787][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.212787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.212787][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.212787][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.212787][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.212787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.212787][ T10] [ 2815.215852][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2815.215852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.215852][ T10] ipv6_find_idev+0x102/0x170 [ 2815.215852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.215852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.215852][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.215852][ T10] netlink_unicast+0x449/0x710 [ 2815.215852][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.215852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.215852][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.215852][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.215852][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.215852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.215852][ T10] [ 2815.218232][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2815.218232][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.218232][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.218232][ T10] ipv6_find_idev+0x102/0x170 [ 2815.218232][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.218232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.218232][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.218232][ T10] netlink_unicast+0x449/0x710 [ 2815.218232][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.218232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.218232][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.218232][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.218232][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.218232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.218232][ T10] [ 2815.221611][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2815.222660][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2815.222660][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.222660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.222660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.222660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.222660][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.222660][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.222660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.222660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.222660][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.222660][ T10] netlink_unicast+0x449/0x710 [ 2815.222660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.222660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.222660][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.222660][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.222660][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.222660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.222660][ T10] [ 2815.225613][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2815.225613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.225613][ T10] ipv6_find_idev+0x102/0x170 [ 2815.225613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.225613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.225613][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.225613][ T10] netlink_unicast+0x449/0x710 [ 2815.225613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.225613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.225613][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.225613][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.225613][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.225613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.225613][ T10] [ 2815.227901][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2815.227901][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.227901][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.227901][ T10] ipv6_find_idev+0x102/0x170 [ 2815.227901][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.227901][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.227901][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.227901][ T10] netlink_unicast+0x449/0x710 [ 2815.227901][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.227901][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.227901][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.227901][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.227901][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.227901][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.227901][ T10] [ 2815.230451][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2815.230848][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2815.230848][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.230848][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.230848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.230848][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.230848][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.230848][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.230848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.230848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.230848][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.230848][ T10] netlink_unicast+0x449/0x710 [ 2815.230848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.230848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.230848][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.230848][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.230848][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.230848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.230848][ T10] [ 2815.233945][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2815.233945][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.233945][ T10] ipv6_find_idev+0x102/0x170 [ 2815.233945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.233945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.233945][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.233945][ T10] netlink_unicast+0x449/0x710 [ 2815.233945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.233945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.233945][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.233945][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.233945][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.233945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.233945][ T10] [ 2815.236361][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2815.236361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.236361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.236361][ T10] ipv6_find_idev+0x102/0x170 [ 2815.236361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.236361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.236361][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.236361][ T10] netlink_unicast+0x449/0x710 [ 2815.236361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.236361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.236361][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.236361][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.236361][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.236361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.236361][ T10] [ 2815.239415][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2815.239844][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2815.239844][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.239844][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.239844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.239844][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.239844][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.239844][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.239844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.239844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.239844][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.239844][ T10] netlink_unicast+0x449/0x710 [ 2815.239844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.239844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.239844][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.239844][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.239844][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.239844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.239844][ T10] [ 2815.243337][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2815.243337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.243337][ T10] ipv6_find_idev+0x102/0x170 [ 2815.243337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.243337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.243337][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.243337][ T10] netlink_unicast+0x449/0x710 [ 2815.243337][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.243337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.243337][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.243337][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.243337][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.243337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.243337][ T10] [ 2815.246003][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2815.246003][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.246003][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.246003][ T10] ipv6_find_idev+0x102/0x170 [ 2815.246003][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.246003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.246003][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.246003][ T10] netlink_unicast+0x449/0x710 [ 2815.246003][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.246003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.246003][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.246003][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.246003][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.246003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.246003][ T10] [ 2815.248869][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2815.249274][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2815.249274][ T10] netdev_get_by_index+0x5e/0x80 [ 2815.249274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2815.249274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2815.249274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2815.249274][ T10] ipv6_add_addr+0x411/0x2000 [ 2815.249274][ T10] inet6_addr_add+0x30e/0xa40 [ 2815.249274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2815.249274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.249274][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.249274][ T10] netlink_unicast+0x449/0x710 [ 2815.249274][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.249274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.249274][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.249274][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.249274][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.249274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.249274][ T10] [ 2815.251741][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2815.251741][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2815.251741][ T10] ipv6_find_idev+0x102/0x170 [ 2815.251741][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.251741][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.251741][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.251741][ T10] netlink_unicast+0x449/0x710 [ 2815.251741][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.251741][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.251741][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.251741][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.251741][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.251741][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.251741][ T10] [ 2815.254010][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2815.254010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2815.254010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2815.254010][ T10] ipv6_find_idev+0x102/0x170 [ 2815.254010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2815.254010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2815.254010][ T10] netlink_rcv_skb+0x130/0x360 [ 2815.254010][ T10] netlink_unicast+0x449/0x710 [ 2815.254010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2815.254010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2815.254010][ T10] ___sys_sendmsg+0xee/0x170 [ 2815.254010][ T10] __sys_sendmsg+0xcd/0x170 [ 2815.254010][ T10] do_syscall_64+0xc6/0x1e0 [ 2815.254010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2815.254010][ T10] [ 2825.507012][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2825.507459][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2825.507459][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.507459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.507459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.507459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.507459][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.507459][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.507459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.507459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.507459][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.507459][ T10] netlink_unicast+0x449/0x710 [ 2825.507459][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.507459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.507459][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.507459][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.507459][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.507459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.507459][ T10] [ 2825.509439][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2825.509439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.509439][ T10] ipv6_find_idev+0x102/0x170 [ 2825.509439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.509439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.509439][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.509439][ T10] netlink_unicast+0x449/0x710 [ 2825.509439][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.509439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.509439][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.509439][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.509439][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.509439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.509439][ T10] [ 2825.510961][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2825.510961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.510961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.510961][ T10] ipv6_find_idev+0x102/0x170 [ 2825.510961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.510961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.510961][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.510961][ T10] netlink_unicast+0x449/0x710 [ 2825.510961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.510961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.510961][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.510961][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.510961][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.510961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.510961][ T10] [ 2825.512633][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2825.512913][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2825.512913][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.512913][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.512913][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.512913][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.512913][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.512913][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.512913][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.512913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.512913][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.512913][ T10] netlink_unicast+0x449/0x710 [ 2825.512913][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.512913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.512913][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.512913][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.512913][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.512913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.512913][ T10] [ 2825.514869][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2825.514869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.514869][ T10] ipv6_find_idev+0x102/0x170 [ 2825.514869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.514869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.514869][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.514869][ T10] netlink_unicast+0x449/0x710 [ 2825.514869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.514869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.514869][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.514869][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.514869][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.514869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.514869][ T10] [ 2825.516378][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2825.516378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.516378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.516378][ T10] ipv6_find_idev+0x102/0x170 [ 2825.516378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.516378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.516378][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.516378][ T10] netlink_unicast+0x449/0x710 [ 2825.516378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.516378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.516378][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.516378][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.516378][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.516378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.516378][ T10] [ 2825.518028][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2825.518287][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2825.518287][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.518287][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.518287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.518287][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.518287][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.518287][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.518287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.518287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.518287][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.518287][ T10] netlink_unicast+0x449/0x710 [ 2825.518287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.518287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.518287][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.518287][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.518287][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.518287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.518287][ T10] [ 2825.520253][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2825.520253][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.520253][ T10] ipv6_find_idev+0x102/0x170 [ 2825.520253][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.520253][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.520253][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.520253][ T10] netlink_unicast+0x449/0x710 [ 2825.520253][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.520253][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.520253][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.520253][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.520253][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.520253][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.520253][ T10] [ 2825.521764][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2825.521764][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.521764][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.521764][ T10] ipv6_find_idev+0x102/0x170 [ 2825.521764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.521764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.521764][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.521764][ T10] netlink_unicast+0x449/0x710 [ 2825.521764][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.521764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.521764][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.521764][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.521764][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.521764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.521764][ T10] [ 2825.523419][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2825.523683][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2825.523683][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.523683][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.523683][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.523683][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.523683][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.523683][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.523683][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.523683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.523683][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.523683][ T10] netlink_unicast+0x449/0x710 [ 2825.523683][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.523683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.523683][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.523683][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.523683][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.523683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.523683][ T10] [ 2825.525638][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2825.525638][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.525638][ T10] ipv6_find_idev+0x102/0x170 [ 2825.525638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.525638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.525638][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.525638][ T10] netlink_unicast+0x449/0x710 [ 2825.525638][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.525638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.525638][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.525638][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.525638][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.525638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.525638][ T10] [ 2825.527148][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2825.527148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.527148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.527148][ T10] ipv6_find_idev+0x102/0x170 [ 2825.527148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.527148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.527148][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.527148][ T10] netlink_unicast+0x449/0x710 [ 2825.527148][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.527148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.527148][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.527148][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.527148][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.527148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.527148][ T10] [ 2825.529194][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2825.529454][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2825.529454][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.529454][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.529454][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.529454][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.529454][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.529454][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.529454][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.529454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.529454][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.529454][ T10] netlink_unicast+0x449/0x710 [ 2825.529454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.529454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.529454][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.529454][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.529454][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.529454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.529454][ T10] [ 2825.531421][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2825.531421][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.531421][ T10] ipv6_find_idev+0x102/0x170 [ 2825.531421][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.531421][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.531421][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.531421][ T10] netlink_unicast+0x449/0x710 [ 2825.531421][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.531421][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.531421][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.531421][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.531421][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.531421][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.531421][ T10] [ 2825.532928][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2825.532928][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.532928][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.532928][ T10] ipv6_find_idev+0x102/0x170 [ 2825.532928][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.532928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.532928][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.532928][ T10] netlink_unicast+0x449/0x710 [ 2825.532928][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.532928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.532928][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.532928][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.532928][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.532928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.532928][ T10] [ 2825.534614][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2825.534874][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2825.534874][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.534874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.534874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.534874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.534874][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.534874][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.534874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.534874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.534874][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.534874][ T10] netlink_unicast+0x449/0x710 [ 2825.534874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.534874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.534874][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.534874][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.534874][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.534874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.534874][ T10] [ 2825.536939][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2825.536939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.536939][ T10] ipv6_find_idev+0x102/0x170 [ 2825.536939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.536939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.536939][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.536939][ T10] netlink_unicast+0x449/0x710 [ 2825.536939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.536939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.536939][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.536939][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.536939][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.536939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.536939][ T10] [ 2825.538686][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2825.538686][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.538686][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.538686][ T10] ipv6_find_idev+0x102/0x170 [ 2825.538686][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.538686][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.538686][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.538686][ T10] netlink_unicast+0x449/0x710 [ 2825.538686][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.538686][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.538686][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.538686][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.538686][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.538686][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.538686][ T10] [ 2825.540641][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2825.540958][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2825.540958][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.540958][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.540958][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.540958][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.540958][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.540958][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.540958][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.540958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.540958][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.540958][ T10] netlink_unicast+0x449/0x710 [ 2825.540958][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.540958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.540958][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.540958][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.540958][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.540958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.540958][ T10] [ 2825.543102][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2825.543102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.543102][ T10] ipv6_find_idev+0x102/0x170 [ 2825.543102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.543102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.543102][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.543102][ T10] netlink_unicast+0x449/0x710 [ 2825.543102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.543102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.543102][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.543102][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.543102][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.543102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.543102][ T10] [ 2825.544791][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2825.544791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.544791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.544791][ T10] ipv6_find_idev+0x102/0x170 [ 2825.544791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.544791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.544791][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.544791][ T10] netlink_unicast+0x449/0x710 [ 2825.544791][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.544791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.544791][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.544791][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.544791][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.544791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.544791][ T10] [ 2825.546659][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2825.546971][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2825.546971][ T10] netdev_get_by_index+0x5e/0x80 [ 2825.546971][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2825.546971][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2825.546971][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2825.546971][ T10] ipv6_add_addr+0x411/0x2000 [ 2825.546971][ T10] inet6_addr_add+0x30e/0xa40 [ 2825.546971][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2825.546971][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.546971][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.546971][ T10] netlink_unicast+0x449/0x710 [ 2825.546971][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.546971][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.546971][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.546971][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.546971][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.546971][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.546971][ T10] [ 2825.549178][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2825.549178][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2825.549178][ T10] ipv6_find_idev+0x102/0x170 [ 2825.549178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.549178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.549178][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.549178][ T10] netlink_unicast+0x449/0x710 [ 2825.549178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.549178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.549178][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.549178][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.549178][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.549178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.549178][ T10] [ 2825.550872][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2825.550872][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2825.550872][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2825.550872][ T10] ipv6_find_idev+0x102/0x170 [ 2825.550872][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2825.550872][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2825.550872][ T10] netlink_rcv_skb+0x130/0x360 [ 2825.550872][ T10] netlink_unicast+0x449/0x710 [ 2825.550872][ T10] netlink_sendmsg+0x723/0xbe0 [ 2825.550872][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2825.550872][ T10] ___sys_sendmsg+0xee/0x170 [ 2825.550872][ T10] __sys_sendmsg+0xcd/0x170 [ 2825.550872][ T10] do_syscall_64+0xc6/0x1e0 [ 2825.550872][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2825.550872][ T10] [ 2835.682958][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2835.683428][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2835.683428][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.683428][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.683428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.683428][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.683428][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.683428][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.683428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.683428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.683428][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.683428][ T10] netlink_unicast+0x449/0x710 [ 2835.683428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.683428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.683428][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.683428][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.683428][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.683428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.683428][ T10] [ 2835.685430][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2835.685430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.685430][ T10] ipv6_find_idev+0x102/0x170 [ 2835.685430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.685430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.685430][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.685430][ T10] netlink_unicast+0x449/0x710 [ 2835.685430][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.685430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.685430][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.685430][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.685430][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.685430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.685430][ T10] [ 2835.686953][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2835.686953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.686953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.686953][ T10] ipv6_find_idev+0x102/0x170 [ 2835.686953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.686953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.686953][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.686953][ T10] netlink_unicast+0x449/0x710 [ 2835.686953][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.686953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.686953][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.686953][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.686953][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.686953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.686953][ T10] [ 2835.688638][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2835.688914][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2835.688914][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.688914][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.688914][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.688914][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.688914][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.688914][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.688914][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.688914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.688914][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.688914][ T10] netlink_unicast+0x449/0x710 [ 2835.688914][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.688914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.688914][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.688914][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.688914][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.688914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.688914][ T10] [ 2835.690893][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2835.690893][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.690893][ T10] ipv6_find_idev+0x102/0x170 [ 2835.690893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.690893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.690893][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.690893][ T10] netlink_unicast+0x449/0x710 [ 2835.690893][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.690893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.690893][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.690893][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.690893][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.690893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.690893][ T10] [ 2835.692417][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2835.692417][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.692417][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.692417][ T10] ipv6_find_idev+0x102/0x170 [ 2835.692417][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.692417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.692417][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.692417][ T10] netlink_unicast+0x449/0x710 [ 2835.692417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.692417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.692417][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.692417][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.692417][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.692417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.692417][ T10] [ 2835.694074][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2835.694339][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2835.694339][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.694339][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.694339][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.694339][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.694339][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.694339][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.694339][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.694339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.694339][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.694339][ T10] netlink_unicast+0x449/0x710 [ 2835.694339][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.694339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.694339][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.694339][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.694339][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.694339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.694339][ T10] [ 2835.696300][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2835.696300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.696300][ T10] ipv6_find_idev+0x102/0x170 [ 2835.696300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.696300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.696300][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.696300][ T10] netlink_unicast+0x449/0x710 [ 2835.696300][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.696300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.696300][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.696300][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.696300][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.696300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.696300][ T10] [ 2835.697805][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2835.697805][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.697805][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.697805][ T10] ipv6_find_idev+0x102/0x170 [ 2835.697805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.697805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.697805][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.697805][ T10] netlink_unicast+0x449/0x710 [ 2835.697805][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.697805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.697805][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.697805][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.697805][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.697805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.697805][ T10] [ 2835.699449][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2835.699727][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2835.699727][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.699727][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.699727][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.699727][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.699727][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.699727][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.699727][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.699727][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.699727][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.699727][ T10] netlink_unicast+0x449/0x710 [ 2835.699727][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.699727][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.699727][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.699727][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.699727][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.699727][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.699727][ T10] [ 2835.701691][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2835.701691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.701691][ T10] ipv6_find_idev+0x102/0x170 [ 2835.701691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.701691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.701691][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.701691][ T10] netlink_unicast+0x449/0x710 [ 2835.701691][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.701691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.701691][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.701691][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.701691][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.701691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.701691][ T10] [ 2835.703203][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2835.703203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.703203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.703203][ T10] ipv6_find_idev+0x102/0x170 [ 2835.703203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.703203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.703203][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.703203][ T10] netlink_unicast+0x449/0x710 [ 2835.703203][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.703203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.703203][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.703203][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.703203][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.703203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.703203][ T10] [ 2835.705269][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2835.705533][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2835.705533][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.705533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.705533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.705533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.705533][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.705533][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.705533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.705533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.705533][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.705533][ T10] netlink_unicast+0x449/0x710 [ 2835.705533][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.705533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.705533][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.705533][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.705533][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.705533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.705533][ T10] [ 2835.707490][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2835.707490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.707490][ T10] ipv6_find_idev+0x102/0x170 [ 2835.707490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.707490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.707490][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.707490][ T10] netlink_unicast+0x449/0x710 [ 2835.707490][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.707490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.707490][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.707490][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.707490][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.707490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.707490][ T10] [ 2835.709024][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2835.709024][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.709024][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.709024][ T10] ipv6_find_idev+0x102/0x170 [ 2835.709024][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.709024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.709024][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.709024][ T10] netlink_unicast+0x449/0x710 [ 2835.709024][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.709024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.709024][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.709024][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.709024][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.709024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.709024][ T10] [ 2835.710738][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2835.711054][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2835.711054][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.711054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.711054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.711054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.711054][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.711054][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.711054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.711054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.711054][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.711054][ T10] netlink_unicast+0x449/0x710 [ 2835.711054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.711054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.711054][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.711054][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.711054][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.711054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.711054][ T10] [ 2835.713096][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2835.713096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.713096][ T10] ipv6_find_idev+0x102/0x170 [ 2835.713096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.713096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.713096][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.713096][ T10] netlink_unicast+0x449/0x710 [ 2835.713096][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.713096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.713096][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.713096][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.713096][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.713096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.713096][ T10] [ 2835.714793][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2835.714793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.714793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.714793][ T10] ipv6_find_idev+0x102/0x170 [ 2835.714793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.714793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.714793][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.714793][ T10] netlink_unicast+0x449/0x710 [ 2835.714793][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.714793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.714793][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.714793][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.714793][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.714793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.714793][ T10] [ 2835.716782][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2835.717125][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2835.717125][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.717125][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.717125][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.717125][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.717125][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.717125][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.717125][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.717125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.717125][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.717125][ T10] netlink_unicast+0x449/0x710 [ 2835.717125][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.717125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.717125][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.717125][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.717125][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.717125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.717125][ T10] [ 2835.719261][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2835.719261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.719261][ T10] ipv6_find_idev+0x102/0x170 [ 2835.719261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.719261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.719261][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.719261][ T10] netlink_unicast+0x449/0x710 [ 2835.719261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.719261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.719261][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.719261][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.719261][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.719261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.719261][ T10] [ 2835.720952][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2835.720952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.720952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.720952][ T10] ipv6_find_idev+0x102/0x170 [ 2835.720952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.720952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.720952][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.720952][ T10] netlink_unicast+0x449/0x710 [ 2835.720952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.720952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.720952][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.720952][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.720952][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.720952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.720952][ T10] [ 2835.722814][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2835.723135][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2835.723135][ T10] netdev_get_by_index+0x5e/0x80 [ 2835.723135][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2835.723135][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2835.723135][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2835.723135][ T10] ipv6_add_addr+0x411/0x2000 [ 2835.723135][ T10] inet6_addr_add+0x30e/0xa40 [ 2835.723135][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2835.723135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.723135][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.723135][ T10] netlink_unicast+0x449/0x710 [ 2835.723135][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.723135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.723135][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.723135][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.723135][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.723135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.723135][ T10] [ 2835.725272][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2835.725272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2835.725272][ T10] ipv6_find_idev+0x102/0x170 [ 2835.725272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.725272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.725272][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.725272][ T10] netlink_unicast+0x449/0x710 [ 2835.725272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.725272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.725272][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.725272][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.725272][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.725272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.725272][ T10] [ 2835.727029][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2835.727029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2835.727029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2835.727029][ T10] ipv6_find_idev+0x102/0x170 [ 2835.727029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2835.727029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2835.727029][ T10] netlink_rcv_skb+0x130/0x360 [ 2835.727029][ T10] netlink_unicast+0x449/0x710 [ 2835.727029][ T10] netlink_sendmsg+0x723/0xbe0 [ 2835.727029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2835.727029][ T10] ___sys_sendmsg+0xee/0x170 [ 2835.727029][ T10] __sys_sendmsg+0xcd/0x170 [ 2835.727029][ T10] do_syscall_64+0xc6/0x1e0 [ 2835.727029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2835.727029][ T10] [ 2845.970926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2845.971310][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2845.971310][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.971310][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.971310][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.971310][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.971310][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.971310][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.971310][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.971310][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.971310][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.971310][ T10] netlink_unicast+0x449/0x710 [ 2845.971310][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.971310][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.971310][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.971310][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.971310][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.971310][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.971310][ T10] [ 2845.973298][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2845.973298][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.973298][ T10] ipv6_find_idev+0x102/0x170 [ 2845.973298][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.973298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.973298][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.973298][ T10] netlink_unicast+0x449/0x710 [ 2845.973298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.973298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.973298][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.973298][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.973298][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.973298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.973298][ T10] [ 2845.974803][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2845.974803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.974803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.974803][ T10] ipv6_find_idev+0x102/0x170 [ 2845.974803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.974803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.974803][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.974803][ T10] netlink_unicast+0x449/0x710 [ 2845.974803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.974803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.974803][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.974803][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.974803][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.974803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.974803][ T10] [ 2845.976455][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2845.976724][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2845.976724][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.976724][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.976724][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.976724][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.976724][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.976724][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.976724][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.976724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.976724][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.976724][ T10] netlink_unicast+0x449/0x710 [ 2845.976724][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.976724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.976724][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.976724][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.976724][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.976724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.976724][ T10] [ 2845.978676][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2845.978676][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.978676][ T10] ipv6_find_idev+0x102/0x170 [ 2845.978676][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.978676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.978676][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.978676][ T10] netlink_unicast+0x449/0x710 [ 2845.978676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.978676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.978676][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.978676][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.978676][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.978676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.978676][ T10] [ 2845.980194][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2845.980194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.980194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.980194][ T10] ipv6_find_idev+0x102/0x170 [ 2845.980194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.980194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.980194][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.980194][ T10] netlink_unicast+0x449/0x710 [ 2845.980194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.980194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.980194][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.980194][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.980194][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.980194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.980194][ T10] [ 2845.981863][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2845.982121][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2845.982121][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.982121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.982121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.982121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.982121][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.982121][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.982121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.982121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.982121][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.982121][ T10] netlink_unicast+0x449/0x710 [ 2845.982121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.982121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.982121][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.982121][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.982121][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.982121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.982121][ T10] [ 2845.984103][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2845.984103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.984103][ T10] ipv6_find_idev+0x102/0x170 [ 2845.984103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.984103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.984103][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.984103][ T10] netlink_unicast+0x449/0x710 [ 2845.984103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.984103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.984103][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.984103][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.984103][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.984103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.984103][ T10] [ 2845.986141][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2845.986141][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.986141][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.986141][ T10] ipv6_find_idev+0x102/0x170 [ 2845.986141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.986141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.986141][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.986141][ T10] netlink_unicast+0x449/0x710 [ 2845.986141][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.986141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.986141][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.986141][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.986141][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.986141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.986141][ T10] [ 2845.987818][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2845.988521][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2845.988521][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.988521][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.988521][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.988521][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.988521][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.988521][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.988521][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.988521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.988521][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.988521][ T10] netlink_unicast+0x449/0x710 [ 2845.988521][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.988521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.988521][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.988521][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.988521][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.988521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.988521][ T10] [ 2845.990534][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2845.990534][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.990534][ T10] ipv6_find_idev+0x102/0x170 [ 2845.990534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.990534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.990534][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.990534][ T10] netlink_unicast+0x449/0x710 [ 2845.990534][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.990534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.990534][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.990534][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.990534][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.990534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.990534][ T10] [ 2845.992077][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2845.992077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.992077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.992077][ T10] ipv6_find_idev+0x102/0x170 [ 2845.992077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.992077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.992077][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.992077][ T10] netlink_unicast+0x449/0x710 [ 2845.992077][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.992077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.992077][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.992077][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.992077][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.992077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.992077][ T10] [ 2845.993798][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2845.994111][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2845.994111][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.994111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.994111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.994111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.994111][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.994111][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.994111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.994111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.994111][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.994111][ T10] netlink_unicast+0x449/0x710 [ 2845.994111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.994111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.994111][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.994111][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.994111][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.994111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.994111][ T10] [ 2845.996070][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2845.996070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2845.996070][ T10] ipv6_find_idev+0x102/0x170 [ 2845.996070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.996070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.996070][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.996070][ T10] netlink_unicast+0x449/0x710 [ 2845.996070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.996070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.996070][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.996070][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.996070][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.996070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.996070][ T10] [ 2845.997574][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2845.997574][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2845.997574][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2845.997574][ T10] ipv6_find_idev+0x102/0x170 [ 2845.997574][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2845.997574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.997574][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.997574][ T10] netlink_unicast+0x449/0x710 [ 2845.997574][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.997574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.997574][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.997574][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.997574][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.997574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.997574][ T10] [ 2845.999290][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2845.999565][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2845.999565][ T10] netdev_get_by_index+0x5e/0x80 [ 2845.999565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2845.999565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2845.999565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2845.999565][ T10] ipv6_add_addr+0x411/0x2000 [ 2845.999565][ T10] inet6_addr_add+0x30e/0xa40 [ 2845.999565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2845.999565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2845.999565][ T10] netlink_rcv_skb+0x130/0x360 [ 2845.999565][ T10] netlink_unicast+0x449/0x710 [ 2845.999565][ T10] netlink_sendmsg+0x723/0xbe0 [ 2845.999565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2845.999565][ T10] ___sys_sendmsg+0xee/0x170 [ 2845.999565][ T10] __sys_sendmsg+0xcd/0x170 [ 2845.999565][ T10] do_syscall_64+0xc6/0x1e0 [ 2845.999565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2845.999565][ T10] [ 2846.001613][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2846.001613][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2846.001613][ T10] ipv6_find_idev+0x102/0x170 [ 2846.001613][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2846.001613][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.001613][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.001613][ T10] netlink_unicast+0x449/0x710 [ 2846.001613][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.001613][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.001613][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.001613][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.001613][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.001613][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.001613][ T10] [ 2846.003378][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2846.003378][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2846.003378][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2846.003378][ T10] ipv6_find_idev+0x102/0x170 [ 2846.003378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2846.003378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.003378][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.003378][ T10] netlink_unicast+0x449/0x710 [ 2846.003378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.003378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.003378][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.003378][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.003378][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.003378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.003378][ T10] [ 2846.005253][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2846.005515][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2846.005515][ T10] netdev_get_by_index+0x5e/0x80 [ 2846.005515][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2846.005515][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2846.005515][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2846.005515][ T10] ipv6_add_addr+0x411/0x2000 [ 2846.005515][ T10] inet6_addr_add+0x30e/0xa40 [ 2846.005515][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2846.005515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.005515][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.005515][ T10] netlink_unicast+0x449/0x710 [ 2846.005515][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.005515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.005515][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.005515][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.005515][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.005515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.005515][ T10] [ 2846.007715][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2846.007715][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2846.007715][ T10] ipv6_find_idev+0x102/0x170 [ 2846.007715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2846.007715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.007715][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.007715][ T10] netlink_unicast+0x449/0x710 [ 2846.007715][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.007715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.007715][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.007715][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.007715][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.007715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.007715][ T10] [ 2846.009550][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2846.009550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2846.009550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2846.009550][ T10] ipv6_find_idev+0x102/0x170 [ 2846.009550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2846.009550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.009550][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.009550][ T10] netlink_unicast+0x449/0x710 [ 2846.009550][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.009550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.009550][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.009550][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.009550][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.009550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.009550][ T10] [ 2846.012011][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2846.012304][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2846.012304][ T10] netdev_get_by_index+0x5e/0x80 [ 2846.012304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2846.012304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2846.012304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2846.012304][ T10] ipv6_add_addr+0x411/0x2000 [ 2846.012304][ T10] inet6_addr_add+0x30e/0xa40 [ 2846.012304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2846.012304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.012304][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.012304][ T10] netlink_unicast+0x449/0x710 [ 2846.012304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.012304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.012304][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.012304][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.012304][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.012304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.012304][ T10] [ 2846.014761][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2846.014761][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2846.014761][ T10] ipv6_find_idev+0x102/0x170 [ 2846.014761][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2846.014761][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.014761][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.014761][ T10] netlink_unicast+0x449/0x710 [ 2846.014761][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.014761][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.014761][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.014761][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.014761][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.014761][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.014761][ T10] [ 2846.016548][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2846.016548][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2846.016548][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2846.016548][ T10] ipv6_find_idev+0x102/0x170 [ 2846.016548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2846.016548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2846.016548][ T10] netlink_rcv_skb+0x130/0x360 [ 2846.016548][ T10] netlink_unicast+0x449/0x710 [ 2846.016548][ T10] netlink_sendmsg+0x723/0xbe0 [ 2846.016548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2846.016548][ T10] ___sys_sendmsg+0xee/0x170 [ 2846.016548][ T10] __sys_sendmsg+0xcd/0x170 [ 2846.016548][ T10] do_syscall_64+0xc6/0x1e0 [ 2846.016548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2846.016548][ T10] [ 2856.258982][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2856.259418][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2856.259418][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.259418][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.259418][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.259418][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.259418][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.259418][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.259418][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.259418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.259418][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.259418][ T10] netlink_unicast+0x449/0x710 [ 2856.259418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.259418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.259418][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.259418][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.259418][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.259418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.259418][ T10] [ 2856.261612][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2856.261612][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.261612][ T10] ipv6_find_idev+0x102/0x170 [ 2856.261612][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.261612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.261612][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.261612][ T10] netlink_unicast+0x449/0x710 [ 2856.261612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.261612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.261612][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.261612][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.261612][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.261612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.261612][ T10] [ 2856.263292][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2856.263292][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.263292][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.263292][ T10] ipv6_find_idev+0x102/0x170 [ 2856.263292][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.263292][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.263292][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.263292][ T10] netlink_unicast+0x449/0x710 [ 2856.263292][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.263292][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.263292][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.263292][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.263292][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.263292][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.263292][ T10] [ 2856.265153][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2856.265447][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2856.265447][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.265447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.265447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.265447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.265447][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.265447][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.265447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.265447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.265447][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.265447][ T10] netlink_unicast+0x449/0x710 [ 2856.265447][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.265447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.265447][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.265447][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.265447][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.265447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.265447][ T10] [ 2856.268010][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2856.268010][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.268010][ T10] ipv6_find_idev+0x102/0x170 [ 2856.268010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.268010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.268010][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.268010][ T10] netlink_unicast+0x449/0x710 [ 2856.268010][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.268010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.268010][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.268010][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.268010][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.268010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.268010][ T10] [ 2856.269654][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2856.269654][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.269654][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.269654][ T10] ipv6_find_idev+0x102/0x170 [ 2856.269654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.269654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.269654][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.269654][ T10] netlink_unicast+0x449/0x710 [ 2856.269654][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.269654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.269654][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.269654][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.269654][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.269654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.269654][ T10] [ 2856.271361][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2856.271630][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2856.271630][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.271630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.271630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.271630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.271630][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.271630][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.271630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.271630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.271630][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.271630][ T10] netlink_unicast+0x449/0x710 [ 2856.271630][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.271630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.271630][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.271630][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.271630][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.271630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.271630][ T10] [ 2856.273631][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2856.273631][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.273631][ T10] ipv6_find_idev+0x102/0x170 [ 2856.273631][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.273631][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.273631][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.273631][ T10] netlink_unicast+0x449/0x710 [ 2856.273631][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.273631][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.273631][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.273631][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.273631][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.273631][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.273631][ T10] [ 2856.275159][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2856.275159][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.275159][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.275159][ T10] ipv6_find_idev+0x102/0x170 [ 2856.275159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.275159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.275159][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.275159][ T10] netlink_unicast+0x449/0x710 [ 2856.275159][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.275159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.275159][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.275159][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.275159][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.275159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.275159][ T10] [ 2856.276918][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2856.277182][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2856.277182][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.277182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.277182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.277182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.277182][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.277182][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.277182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.277182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.277182][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.277182][ T10] netlink_unicast+0x449/0x710 [ 2856.277182][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.277182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.277182][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.277182][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.277182][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.277182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.277182][ T10] [ 2856.279184][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2856.279184][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.279184][ T10] ipv6_find_idev+0x102/0x170 [ 2856.279184][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.279184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.279184][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.279184][ T10] netlink_unicast+0x449/0x710 [ 2856.279184][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.279184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.279184][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.279184][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.279184][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.279184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.279184][ T10] [ 2856.280746][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2856.280746][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.280746][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.280746][ T10] ipv6_find_idev+0x102/0x170 [ 2856.280746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.280746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.280746][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.280746][ T10] netlink_unicast+0x449/0x710 [ 2856.280746][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.280746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.280746][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.280746][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.280746][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.280746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.280746][ T10] [ 2856.282496][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2856.282810][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2856.282810][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.282810][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.282810][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.282810][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.282810][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.282810][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.282810][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.282810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.282810][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.282810][ T10] netlink_unicast+0x449/0x710 [ 2856.282810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.282810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.282810][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.282810][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.282810][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.282810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.282810][ T10] [ 2856.284898][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2856.284898][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.284898][ T10] ipv6_find_idev+0x102/0x170 [ 2856.284898][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.284898][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.284898][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.284898][ T10] netlink_unicast+0x449/0x710 [ 2856.284898][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.284898][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.284898][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.284898][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.284898][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.284898][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.284898][ T10] [ 2856.286444][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2856.286444][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.286444][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.286444][ T10] ipv6_find_idev+0x102/0x170 [ 2856.286444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.286444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.286444][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.286444][ T10] netlink_unicast+0x449/0x710 [ 2856.286444][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.286444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.286444][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.286444][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.286444][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.286444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.286444][ T10] [ 2856.288363][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2856.288676][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2856.288676][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.288676][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.288676][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.288676][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.288676][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.288676][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.288676][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.288676][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.288676][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.288676][ T10] netlink_unicast+0x449/0x710 [ 2856.288676][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.288676][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.288676][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.288676][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.288676][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.288676][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.288676][ T10] [ 2856.290939][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2856.290939][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.290939][ T10] ipv6_find_idev+0x102/0x170 [ 2856.290939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.290939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.290939][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.290939][ T10] netlink_unicast+0x449/0x710 [ 2856.290939][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.290939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.290939][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.290939][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.290939][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.290939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.290939][ T10] [ 2856.292660][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2856.292660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.292660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.292660][ T10] ipv6_find_idev+0x102/0x170 [ 2856.292660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.292660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.292660][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.292660][ T10] netlink_unicast+0x449/0x710 [ 2856.292660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.292660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.292660][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.292660][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.292660][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.292660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.292660][ T10] [ 2856.294554][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2856.294868][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2856.294868][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.294868][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.294868][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.294868][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.294868][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.294868][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.294868][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.294868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.294868][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.294868][ T10] netlink_unicast+0x449/0x710 [ 2856.294868][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.294868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.294868][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.294868][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.294868][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.294868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.294868][ T10] [ 2856.297031][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2856.297031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.297031][ T10] ipv6_find_idev+0x102/0x170 [ 2856.297031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.297031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.297031][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.297031][ T10] netlink_unicast+0x449/0x710 [ 2856.297031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.297031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.297031][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.297031][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.297031][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.297031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.297031][ T10] [ 2856.298765][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2856.298765][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.298765][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.298765][ T10] ipv6_find_idev+0x102/0x170 [ 2856.298765][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.298765][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.298765][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.298765][ T10] netlink_unicast+0x449/0x710 [ 2856.298765][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.298765][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.298765][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.298765][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.298765][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.298765][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.298765][ T10] [ 2856.300810][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2856.301136][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2856.301136][ T10] netdev_get_by_index+0x5e/0x80 [ 2856.301136][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2856.301136][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2856.301136][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2856.301136][ T10] ipv6_add_addr+0x411/0x2000 [ 2856.301136][ T10] inet6_addr_add+0x30e/0xa40 [ 2856.301136][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2856.301136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.301136][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.301136][ T10] netlink_unicast+0x449/0x710 [ 2856.301136][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.301136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.301136][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.301136][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.301136][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.301136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.301136][ T10] [ 2856.303328][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2856.303328][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2856.303328][ T10] ipv6_find_idev+0x102/0x170 [ 2856.303328][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.303328][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.303328][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.303328][ T10] netlink_unicast+0x449/0x710 [ 2856.303328][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.303328][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.303328][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.303328][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.303328][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.303328][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.303328][ T10] [ 2856.305063][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2856.305063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2856.305063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2856.305063][ T10] ipv6_find_idev+0x102/0x170 [ 2856.305063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2856.305063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2856.305063][ T10] netlink_rcv_skb+0x130/0x360 [ 2856.305063][ T10] netlink_unicast+0x449/0x710 [ 2856.305063][ T10] netlink_sendmsg+0x723/0xbe0 [ 2856.305063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2856.305063][ T10] ___sys_sendmsg+0xee/0x170 [ 2856.305063][ T10] __sys_sendmsg+0xcd/0x170 [ 2856.305063][ T10] do_syscall_64+0xc6/0x1e0 [ 2856.305063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2856.305063][ T10] [ 2866.547010][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2866.547469][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2866.547469][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.547469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.547469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.547469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.547469][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.547469][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.547469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.547469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.547469][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.547469][ T10] netlink_unicast+0x449/0x710 [ 2866.547469][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.547469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.547469][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.547469][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.547469][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.547469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.547469][ T10] [ 2866.549480][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2866.549480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.549480][ T10] ipv6_find_idev+0x102/0x170 [ 2866.549480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.549480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.549480][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.549480][ T10] netlink_unicast+0x449/0x710 [ 2866.549480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.549480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.549480][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.549480][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.549480][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.549480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.549480][ T10] [ 2866.551013][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2866.551013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.551013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.551013][ T10] ipv6_find_idev+0x102/0x170 [ 2866.551013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.551013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.551013][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.551013][ T10] netlink_unicast+0x449/0x710 [ 2866.551013][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.551013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.551013][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.551013][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.551013][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.551013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.551013][ T10] [ 2866.552702][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2866.552986][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2866.552986][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.552986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.552986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.552986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.552986][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.552986][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.552986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.552986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.552986][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.552986][ T10] netlink_unicast+0x449/0x710 [ 2866.552986][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.552986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.552986][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.552986][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.552986][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.552986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.552986][ T10] [ 2866.554969][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2866.554969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.554969][ T10] ipv6_find_idev+0x102/0x170 [ 2866.554969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.554969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.554969][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.554969][ T10] netlink_unicast+0x449/0x710 [ 2866.554969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.554969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.554969][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.554969][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.554969][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.554969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.554969][ T10] [ 2866.556509][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2866.556509][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.556509][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.556509][ T10] ipv6_find_idev+0x102/0x170 [ 2866.556509][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.556509][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.556509][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.556509][ T10] netlink_unicast+0x449/0x710 [ 2866.556509][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.556509][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.556509][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.556509][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.556509][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.556509][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.556509][ T10] [ 2866.558577][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2866.558844][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2866.558844][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.558844][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.558844][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.558844][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.558844][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.558844][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.558844][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.558844][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.558844][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.558844][ T10] netlink_unicast+0x449/0x710 [ 2866.558844][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.558844][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.558844][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.558844][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.558844][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.558844][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.558844][ T10] [ 2866.560834][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2866.560834][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.560834][ T10] ipv6_find_idev+0x102/0x170 [ 2866.560834][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.560834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.560834][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.560834][ T10] netlink_unicast+0x449/0x710 [ 2866.560834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.560834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.560834][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.560834][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.560834][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.560834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.560834][ T10] [ 2866.562361][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2866.562361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.562361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.562361][ T10] ipv6_find_idev+0x102/0x170 [ 2866.562361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.562361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.562361][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.562361][ T10] netlink_unicast+0x449/0x710 [ 2866.562361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.562361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.562361][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.562361][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.562361][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.562361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.562361][ T10] [ 2866.564032][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2866.564298][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2866.564298][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.564298][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.564298][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.564298][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.564298][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.564298][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.564298][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.564298][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.564298][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.564298][ T10] netlink_unicast+0x449/0x710 [ 2866.564298][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.564298][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.564298][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.564298][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.564298][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.564298][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.564298][ T10] [ 2866.566285][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2866.566285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.566285][ T10] ipv6_find_idev+0x102/0x170 [ 2866.566285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.566285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.566285][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.566285][ T10] netlink_unicast+0x449/0x710 [ 2866.566285][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.566285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.566285][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.566285][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.566285][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.566285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.566285][ T10] [ 2866.567810][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2866.567810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.567810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.567810][ T10] ipv6_find_idev+0x102/0x170 [ 2866.567810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.567810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.567810][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.567810][ T10] netlink_unicast+0x449/0x710 [ 2866.567810][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.567810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.567810][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.567810][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.567810][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.567810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.567810][ T10] [ 2866.569542][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2866.569852][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2866.569852][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.569852][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.569852][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.569852][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.569852][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.569852][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.569852][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.569852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.569852][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.569852][ T10] netlink_unicast+0x449/0x710 [ 2866.569852][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.569852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.569852][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.569852][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.569852][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.569852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.569852][ T10] [ 2866.571830][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2866.571830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.571830][ T10] ipv6_find_idev+0x102/0x170 [ 2866.571830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.571830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.571830][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.571830][ T10] netlink_unicast+0x449/0x710 [ 2866.571830][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.571830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.571830][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.571830][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.571830][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.571830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.571830][ T10] [ 2866.573359][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2866.573359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.573359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.573359][ T10] ipv6_find_idev+0x102/0x170 [ 2866.573359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.573359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.573359][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.573359][ T10] netlink_unicast+0x449/0x710 [ 2866.573359][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.573359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.573359][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.573359][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.573359][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.573359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.573359][ T10] [ 2866.575262][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2866.575577][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2866.575577][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.575577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.575577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.575577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.575577][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.575577][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.575577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.575577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.575577][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.575577][ T10] netlink_unicast+0x449/0x710 [ 2866.575577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.575577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.575577][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.575577][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.575577][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.575577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.575577][ T10] [ 2866.577803][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2866.577803][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.577803][ T10] ipv6_find_idev+0x102/0x170 [ 2866.577803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.577803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.577803][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.577803][ T10] netlink_unicast+0x449/0x710 [ 2866.577803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.577803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.577803][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.577803][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.577803][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.577803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.577803][ T10] [ 2866.579517][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2866.579517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.579517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.579517][ T10] ipv6_find_idev+0x102/0x170 [ 2866.579517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.579517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.579517][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.579517][ T10] netlink_unicast+0x449/0x710 [ 2866.579517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.579517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.579517][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.579517][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.579517][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.579517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.579517][ T10] [ 2866.581406][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2866.581723][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2866.581723][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.581723][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.581723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.581723][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.581723][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.581723][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.581723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.581723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.581723][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.581723][ T10] netlink_unicast+0x449/0x710 [ 2866.581723][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.581723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.581723][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.581723][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.581723][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.581723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.581723][ T10] [ 2866.583874][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2866.583874][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.583874][ T10] ipv6_find_idev+0x102/0x170 [ 2866.583874][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.583874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.583874][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.583874][ T10] netlink_unicast+0x449/0x710 [ 2866.583874][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.583874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.583874][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.583874][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.583874][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.583874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.583874][ T10] [ 2866.585577][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2866.585577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.585577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.585577][ T10] ipv6_find_idev+0x102/0x170 [ 2866.585577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.585577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.585577][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.585577][ T10] netlink_unicast+0x449/0x710 [ 2866.585577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.585577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.585577][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.585577][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.585577][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.585577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.585577][ T10] [ 2866.587606][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2866.587926][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2866.587926][ T10] netdev_get_by_index+0x5e/0x80 [ 2866.587926][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2866.587926][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2866.587926][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2866.587926][ T10] ipv6_add_addr+0x411/0x2000 [ 2866.587926][ T10] inet6_addr_add+0x30e/0xa40 [ 2866.587926][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2866.587926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.587926][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.587926][ T10] netlink_unicast+0x449/0x710 [ 2866.587926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.587926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.587926][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.587926][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.587926][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.587926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.587926][ T10] [ 2866.590085][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2866.590085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2866.590085][ T10] ipv6_find_idev+0x102/0x170 [ 2866.590085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.590085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.590085][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.590085][ T10] netlink_unicast+0x449/0x710 [ 2866.590085][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.590085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.590085][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.590085][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.590085][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.590085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.590085][ T10] [ 2866.591786][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2866.591786][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2866.591786][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2866.591786][ T10] ipv6_find_idev+0x102/0x170 [ 2866.591786][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2866.591786][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2866.591786][ T10] netlink_rcv_skb+0x130/0x360 [ 2866.591786][ T10] netlink_unicast+0x449/0x710 [ 2866.591786][ T10] netlink_sendmsg+0x723/0xbe0 [ 2866.591786][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2866.591786][ T10] ___sys_sendmsg+0xee/0x170 [ 2866.591786][ T10] __sys_sendmsg+0xcd/0x170 [ 2866.591786][ T10] do_syscall_64+0xc6/0x1e0 [ 2866.591786][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2866.591786][ T10] [ 2876.835022][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2876.835514][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2876.835514][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.835514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.835514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.835514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.835514][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.835514][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.835514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.835514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.835514][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.835514][ T10] netlink_unicast+0x449/0x710 [ 2876.835514][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.835514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.835514][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.835514][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.835514][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.835514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.835514][ T10] [ 2876.837516][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2876.837516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.837516][ T10] ipv6_find_idev+0x102/0x170 [ 2876.837516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.837516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.837516][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.837516][ T10] netlink_unicast+0x449/0x710 [ 2876.837516][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.837516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.837516][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.837516][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.837516][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.837516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.837516][ T10] [ 2876.839047][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2876.839047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.839047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.839047][ T10] ipv6_find_idev+0x102/0x170 [ 2876.839047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.839047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.839047][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.839047][ T10] netlink_unicast+0x449/0x710 [ 2876.839047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.839047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.839047][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.839047][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.839047][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.839047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.839047][ T10] [ 2876.840748][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2876.841036][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2876.841036][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.841036][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.841036][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.841036][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.841036][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.841036][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.841036][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.841036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.841036][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.841036][ T10] netlink_unicast+0x449/0x710 [ 2876.841036][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.841036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.841036][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.841036][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.841036][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.841036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.841036][ T10] [ 2876.843036][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2876.843036][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.843036][ T10] ipv6_find_idev+0x102/0x170 [ 2876.843036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.843036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.843036][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.843036][ T10] netlink_unicast+0x449/0x710 [ 2876.843036][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.843036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.843036][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.843036][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.843036][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.843036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.843036][ T10] [ 2876.844564][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2876.844564][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.844564][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.844564][ T10] ipv6_find_idev+0x102/0x170 [ 2876.844564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.844564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.844564][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.844564][ T10] netlink_unicast+0x449/0x710 [ 2876.844564][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.844564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.844564][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.844564][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.844564][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.844564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.844564][ T10] [ 2876.846251][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2876.846520][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2876.846520][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.846520][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.846520][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.846520][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.846520][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.846520][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.846520][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.846520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.846520][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.846520][ T10] netlink_unicast+0x449/0x710 [ 2876.846520][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.846520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.846520][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.846520][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.846520][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.846520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.846520][ T10] [ 2876.848513][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2876.848513][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.848513][ T10] ipv6_find_idev+0x102/0x170 [ 2876.848513][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.848513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.848513][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.848513][ T10] netlink_unicast+0x449/0x710 [ 2876.848513][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.848513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.848513][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.848513][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.848513][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.848513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.848513][ T10] [ 2876.850044][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2876.850044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.850044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.850044][ T10] ipv6_find_idev+0x102/0x170 [ 2876.850044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.850044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.850044][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.850044][ T10] netlink_unicast+0x449/0x710 [ 2876.850044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.850044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.850044][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.850044][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.850044][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.850044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.850044][ T10] [ 2876.851712][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2876.852410][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2876.852410][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.852410][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.852410][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.852410][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.852410][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.852410][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.852410][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.852410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.852410][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.852410][ T10] netlink_unicast+0x449/0x710 [ 2876.852410][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.852410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.852410][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.852410][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.852410][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.852410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.852410][ T10] [ 2876.854383][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2876.854383][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.854383][ T10] ipv6_find_idev+0x102/0x170 [ 2876.854383][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.854383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.854383][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.854383][ T10] netlink_unicast+0x449/0x710 [ 2876.854383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.854383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.854383][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.854383][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.854383][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.854383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.854383][ T10] [ 2876.855909][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2876.855909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.855909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.855909][ T10] ipv6_find_idev+0x102/0x170 [ 2876.855909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.855909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.855909][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.855909][ T10] netlink_unicast+0x449/0x710 [ 2876.855909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.855909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.855909][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.855909][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.855909][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.855909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.855909][ T10] [ 2876.857644][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2876.857961][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2876.857961][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.857961][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.857961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.857961][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.857961][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.857961][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.857961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.857961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.857961][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.857961][ T10] netlink_unicast+0x449/0x710 [ 2876.857961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.857961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.857961][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.857961][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.857961][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.857961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.857961][ T10] [ 2876.860054][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2876.860054][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.860054][ T10] ipv6_find_idev+0x102/0x170 [ 2876.860054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.860054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.860054][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.860054][ T10] netlink_unicast+0x449/0x710 [ 2876.860054][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.860054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.860054][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.860054][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.860054][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.860054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.860054][ T10] [ 2876.861576][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2876.861576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.861576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.861576][ T10] ipv6_find_idev+0x102/0x170 [ 2876.861576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.861576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.861576][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.861576][ T10] netlink_unicast+0x449/0x710 [ 2876.861576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.861576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.861576][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.861576][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.861576][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.861576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.861576][ T10] [ 2876.863279][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2876.863591][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2876.863591][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.863591][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.863591][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.863591][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.863591][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.863591][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.863591][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.863591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.863591][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.863591][ T10] netlink_unicast+0x449/0x710 [ 2876.863591][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.863591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.863591][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.863591][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.863591][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.863591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.863591][ T10] [ 2876.865565][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2876.865565][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.865565][ T10] ipv6_find_idev+0x102/0x170 [ 2876.865565][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.865565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.865565][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.865565][ T10] netlink_unicast+0x449/0x710 [ 2876.865565][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.865565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.865565][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.865565][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.865565][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.865565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.865565][ T10] [ 2876.867261][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2876.867261][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.867261][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.867261][ T10] ipv6_find_idev+0x102/0x170 [ 2876.867261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.867261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.867261][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.867261][ T10] netlink_unicast+0x449/0x710 [ 2876.867261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.867261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.867261][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.867261][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.867261][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.867261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.867261][ T10] [ 2876.869211][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2876.869524][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2876.869524][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.869524][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.869524][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.869524][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.869524][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.869524][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.869524][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.869524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.869524][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.869524][ T10] netlink_unicast+0x449/0x710 [ 2876.869524][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.869524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.869524][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.869524][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.869524][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.869524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.869524][ T10] [ 2876.871672][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2876.871672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.871672][ T10] ipv6_find_idev+0x102/0x170 [ 2876.871672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.871672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.871672][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.871672][ T10] netlink_unicast+0x449/0x710 [ 2876.871672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.871672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.871672][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.871672][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.871672][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.871672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.871672][ T10] [ 2876.873373][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2876.873373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.873373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.873373][ T10] ipv6_find_idev+0x102/0x170 [ 2876.873373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.873373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.873373][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.873373][ T10] netlink_unicast+0x449/0x710 [ 2876.873373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.873373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.873373][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.873373][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.873373][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.873373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.873373][ T10] [ 2876.875336][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2876.875645][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2876.875645][ T10] netdev_get_by_index+0x5e/0x80 [ 2876.875645][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2876.875645][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2876.875645][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2876.875645][ T10] ipv6_add_addr+0x411/0x2000 [ 2876.875645][ T10] inet6_addr_add+0x30e/0xa40 [ 2876.875645][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2876.875645][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.875645][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.875645][ T10] netlink_unicast+0x449/0x710 [ 2876.875645][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.875645][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.875645][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.875645][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.875645][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.875645][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.875645][ T10] [ 2876.877796][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2876.877796][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2876.877796][ T10] ipv6_find_idev+0x102/0x170 [ 2876.877796][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.877796][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.877796][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.877796][ T10] netlink_unicast+0x449/0x710 [ 2876.877796][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.877796][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.877796][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.877796][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.877796][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.877796][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.877796][ T10] [ 2876.879559][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2876.879559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2876.879559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2876.879559][ T10] ipv6_find_idev+0x102/0x170 [ 2876.879559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2876.879559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2876.879559][ T10] netlink_rcv_skb+0x130/0x360 [ 2876.879559][ T10] netlink_unicast+0x449/0x710 [ 2876.879559][ T10] netlink_sendmsg+0x723/0xbe0 [ 2876.879559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2876.879559][ T10] ___sys_sendmsg+0xee/0x170 [ 2876.879559][ T10] __sys_sendmsg+0xcd/0x170 [ 2876.879559][ T10] do_syscall_64+0xc6/0x1e0 [ 2876.879559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2876.879559][ T10] [ 2887.122897][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2887.123354][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2887.123354][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.123354][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.123354][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.123354][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.123354][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.123354][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.123354][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.123354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.123354][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.123354][ T10] netlink_unicast+0x449/0x710 [ 2887.123354][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.123354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.123354][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.123354][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.123354][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.123354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.123354][ T10] [ 2887.125357][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2887.125357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.125357][ T10] ipv6_find_idev+0x102/0x170 [ 2887.125357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.125357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.125357][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.125357][ T10] netlink_unicast+0x449/0x710 [ 2887.125357][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.125357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.125357][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.125357][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.125357][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.125357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.125357][ T10] [ 2887.126894][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2887.126894][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.126894][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.126894][ T10] ipv6_find_idev+0x102/0x170 [ 2887.126894][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.126894][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.126894][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.126894][ T10] netlink_unicast+0x449/0x710 [ 2887.126894][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.126894][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.126894][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.126894][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.126894][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.126894][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.126894][ T10] [ 2887.128576][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2887.128843][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2887.128843][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.128843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.128843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.128843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.128843][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.128843][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.128843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.128843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.128843][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.128843][ T10] netlink_unicast+0x449/0x710 [ 2887.128843][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.128843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.128843][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.128843][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.128843][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.128843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.128843][ T10] [ 2887.130827][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2887.130827][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.130827][ T10] ipv6_find_idev+0x102/0x170 [ 2887.130827][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.130827][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.130827][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.130827][ T10] netlink_unicast+0x449/0x710 [ 2887.130827][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.130827][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.130827][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.130827][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.130827][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.130827][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.130827][ T10] [ 2887.132354][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2887.132354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.132354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.132354][ T10] ipv6_find_idev+0x102/0x170 [ 2887.132354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.132354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.132354][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.132354][ T10] netlink_unicast+0x449/0x710 [ 2887.132354][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.132354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.132354][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.132354][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.132354][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.132354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.132354][ T10] [ 2887.134022][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2887.134287][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2887.134287][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.134287][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.134287][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.134287][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.134287][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.134287][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.134287][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.134287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.134287][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.134287][ T10] netlink_unicast+0x449/0x710 [ 2887.134287][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.134287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.134287][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.134287][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.134287][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.134287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.134287][ T10] [ 2887.136261][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2887.136261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.136261][ T10] ipv6_find_idev+0x102/0x170 [ 2887.136261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.136261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.136261][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.136261][ T10] netlink_unicast+0x449/0x710 [ 2887.136261][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.136261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.136261][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.136261][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.136261][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.136261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.136261][ T10] [ 2887.137776][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2887.137776][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.137776][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.137776][ T10] ipv6_find_idev+0x102/0x170 [ 2887.137776][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.137776][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.137776][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.137776][ T10] netlink_unicast+0x449/0x710 [ 2887.137776][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.137776][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.137776][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.137776][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.137776][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.137776][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.137776][ T10] [ 2887.139447][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2887.139717][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2887.139717][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.139717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.139717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.139717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.139717][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.139717][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.139717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.139717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.139717][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.139717][ T10] netlink_unicast+0x449/0x710 [ 2887.139717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.139717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.139717][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.139717][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.139717][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.139717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.139717][ T10] [ 2887.141709][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2887.141709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.141709][ T10] ipv6_find_idev+0x102/0x170 [ 2887.141709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.141709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.141709][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.141709][ T10] netlink_unicast+0x449/0x710 [ 2887.141709][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.141709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.141709][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.141709][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.141709][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.141709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.141709][ T10] [ 2887.143734][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2887.143734][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.143734][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.143734][ T10] ipv6_find_idev+0x102/0x170 [ 2887.143734][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.143734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.143734][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.143734][ T10] netlink_unicast+0x449/0x710 [ 2887.143734][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.143734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.143734][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.143734][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.143734][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.143734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.143734][ T10] [ 2887.145803][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2887.146459][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2887.146459][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.146459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.146459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.146459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.146459][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.146459][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.146459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.146459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.146459][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.146459][ T10] netlink_unicast+0x449/0x710 [ 2887.146459][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.146459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.146459][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.146459][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.146459][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.146459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.146459][ T10] [ 2887.148572][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2887.148572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.148572][ T10] ipv6_find_idev+0x102/0x170 [ 2887.148572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.148572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.148572][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.148572][ T10] netlink_unicast+0x449/0x710 [ 2887.148572][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.148572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.148572][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.148572][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.148572][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.148572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.148572][ T10] [ 2887.150151][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2887.150151][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.150151][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.150151][ T10] ipv6_find_idev+0x102/0x170 [ 2887.150151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.150151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.150151][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.150151][ T10] netlink_unicast+0x449/0x710 [ 2887.150151][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.150151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.150151][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.150151][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.150151][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.150151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.150151][ T10] [ 2887.151844][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2887.152134][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2887.152134][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.152134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.152134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.152134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.152134][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.152134][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.152134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.152134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.152134][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.152134][ T10] netlink_unicast+0x449/0x710 [ 2887.152134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.152134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.152134][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.152134][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.152134][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.152134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.152134][ T10] [ 2887.154111][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2887.154111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.154111][ T10] ipv6_find_idev+0x102/0x170 [ 2887.154111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.154111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.154111][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.154111][ T10] netlink_unicast+0x449/0x710 [ 2887.154111][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.154111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.154111][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.154111][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.154111][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.154111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.154111][ T10] [ 2887.155690][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2887.155690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.155690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.155690][ T10] ipv6_find_idev+0x102/0x170 [ 2887.155690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.155690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.155690][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.155690][ T10] netlink_unicast+0x449/0x710 [ 2887.155690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.155690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.155690][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.155690][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.155690][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.155690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.155690][ T10] [ 2887.157636][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2887.157963][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2887.157963][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.157963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.157963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.157963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.157963][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.157963][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.157963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.157963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.157963][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.157963][ T10] netlink_unicast+0x449/0x710 [ 2887.157963][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.157963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.157963][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.157963][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.157963][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.157963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.157963][ T10] [ 2887.160124][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2887.160124][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.160124][ T10] ipv6_find_idev+0x102/0x170 [ 2887.160124][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.160124][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.160124][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.160124][ T10] netlink_unicast+0x449/0x710 [ 2887.160124][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.160124][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.160124][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.160124][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.160124][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.160124][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.160124][ T10] [ 2887.161889][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2887.161889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.161889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.161889][ T10] ipv6_find_idev+0x102/0x170 [ 2887.161889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.161889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.161889][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.161889][ T10] netlink_unicast+0x449/0x710 [ 2887.161889][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.161889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.161889][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.161889][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.161889][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.161889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.161889][ T10] [ 2887.163850][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2887.164211][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2887.164211][ T10] netdev_get_by_index+0x5e/0x80 [ 2887.164211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2887.164211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2887.164211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2887.164211][ T10] ipv6_add_addr+0x411/0x2000 [ 2887.164211][ T10] inet6_addr_add+0x30e/0xa40 [ 2887.164211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2887.164211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.164211][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.164211][ T10] netlink_unicast+0x449/0x710 [ 2887.164211][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.164211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.164211][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.164211][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.164211][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.164211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.164211][ T10] [ 2887.166308][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2887.166308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2887.166308][ T10] ipv6_find_idev+0x102/0x170 [ 2887.166308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.166308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.166308][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.166308][ T10] netlink_unicast+0x449/0x710 [ 2887.166308][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.166308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.166308][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.166308][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.166308][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.166308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.166308][ T10] [ 2887.168420][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2887.168420][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2887.168420][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2887.168420][ T10] ipv6_find_idev+0x102/0x170 [ 2887.168420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2887.168420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2887.168420][ T10] netlink_rcv_skb+0x130/0x360 [ 2887.168420][ T10] netlink_unicast+0x449/0x710 [ 2887.168420][ T10] netlink_sendmsg+0x723/0xbe0 [ 2887.168420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2887.168420][ T10] ___sys_sendmsg+0xee/0x170 [ 2887.168420][ T10] __sys_sendmsg+0xcd/0x170 [ 2887.168420][ T10] do_syscall_64+0xc6/0x1e0 [ 2887.168420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2887.168420][ T10] [ 2897.410965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2897.411433][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2897.411433][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.411433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.411433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.411433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.411433][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.411433][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.411433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.411433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.411433][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.411433][ T10] netlink_unicast+0x449/0x710 [ 2897.411433][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.411433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.411433][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.411433][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.411433][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.411433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.411433][ T10] [ 2897.413435][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2897.413435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.413435][ T10] ipv6_find_idev+0x102/0x170 [ 2897.413435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.413435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.413435][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.413435][ T10] netlink_unicast+0x449/0x710 [ 2897.413435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.413435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.413435][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.413435][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.413435][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.413435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.413435][ T10] [ 2897.414966][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2897.414966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.414966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.414966][ T10] ipv6_find_idev+0x102/0x170 [ 2897.414966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.414966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.414966][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.414966][ T10] netlink_unicast+0x449/0x710 [ 2897.414966][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.414966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.414966][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.414966][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.414966][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.414966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.414966][ T10] [ 2897.416670][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2897.416957][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2897.416957][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.416957][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.416957][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.416957][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.416957][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.416957][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.416957][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.416957][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.416957][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.416957][ T10] netlink_unicast+0x449/0x710 [ 2897.416957][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.416957][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.416957][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.416957][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.416957][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.416957][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.416957][ T10] [ 2897.418941][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2897.418941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.418941][ T10] ipv6_find_idev+0x102/0x170 [ 2897.418941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.418941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.418941][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.418941][ T10] netlink_unicast+0x449/0x710 [ 2897.418941][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.418941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.418941][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.418941][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.418941][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.418941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.418941][ T10] [ 2897.420477][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2897.420477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.420477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.420477][ T10] ipv6_find_idev+0x102/0x170 [ 2897.420477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.420477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.420477][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.420477][ T10] netlink_unicast+0x449/0x710 [ 2897.420477][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.420477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.420477][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.420477][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.420477][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.420477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.420477][ T10] [ 2897.422152][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2897.422415][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2897.422415][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.422415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.422415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.422415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.422415][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.422415][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.422415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.422415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.422415][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.422415][ T10] netlink_unicast+0x449/0x710 [ 2897.422415][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.422415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.422415][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.422415][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.422415][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.422415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.422415][ T10] [ 2897.424399][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2897.424399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.424399][ T10] ipv6_find_idev+0x102/0x170 [ 2897.424399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.424399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.424399][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.424399][ T10] netlink_unicast+0x449/0x710 [ 2897.424399][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.424399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.424399][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.424399][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.424399][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.424399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.424399][ T10] [ 2897.425926][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2897.425926][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.425926][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.425926][ T10] ipv6_find_idev+0x102/0x170 [ 2897.425926][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.425926][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.425926][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.425926][ T10] netlink_unicast+0x449/0x710 [ 2897.425926][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.425926][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.425926][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.425926][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.425926][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.425926][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.425926][ T10] [ 2897.427591][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2897.427857][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2897.427857][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.427857][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.427857][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.427857][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.427857][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.427857][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.427857][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.427857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.427857][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.427857][ T10] netlink_unicast+0x449/0x710 [ 2897.427857][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.427857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.427857][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.427857][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.427857][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.427857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.427857][ T10] [ 2897.429840][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2897.429840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.429840][ T10] ipv6_find_idev+0x102/0x170 [ 2897.429840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.429840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.429840][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.429840][ T10] netlink_unicast+0x449/0x710 [ 2897.429840][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.429840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.429840][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.429840][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.429840][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.429840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.429840][ T10] [ 2897.431373][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2897.431373][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.431373][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.431373][ T10] ipv6_find_idev+0x102/0x170 [ 2897.431373][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.431373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.431373][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.431373][ T10] netlink_unicast+0x449/0x710 [ 2897.431373][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.431373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.431373][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.431373][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.431373][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.431373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.431373][ T10] [ 2897.433456][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2897.434055][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2897.434055][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.434055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.434055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.434055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.434055][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.434055][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.434055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.434055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.434055][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.434055][ T10] netlink_unicast+0x449/0x710 [ 2897.434055][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.434055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.434055][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.434055][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.434055][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.434055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.434055][ T10] [ 2897.436031][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2897.436031][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.436031][ T10] ipv6_find_idev+0x102/0x170 [ 2897.436031][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.436031][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.436031][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.436031][ T10] netlink_unicast+0x449/0x710 [ 2897.436031][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.436031][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.436031][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.436031][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.436031][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.436031][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.436031][ T10] [ 2897.437556][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2897.437556][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.437556][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.437556][ T10] ipv6_find_idev+0x102/0x170 [ 2897.437556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.437556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.437556][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.437556][ T10] netlink_unicast+0x449/0x710 [ 2897.437556][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.437556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.437556][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.437556][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.437556][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.437556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.437556][ T10] [ 2897.439229][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2897.439500][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2897.439500][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.439500][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.439500][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.439500][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.439500][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.439500][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.439500][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.439500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.439500][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.439500][ T10] netlink_unicast+0x449/0x710 [ 2897.439500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.439500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.439500][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.439500][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.439500][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.439500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.439500][ T10] [ 2897.441480][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2897.441480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.441480][ T10] ipv6_find_idev+0x102/0x170 [ 2897.441480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.441480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.441480][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.441480][ T10] netlink_unicast+0x449/0x710 [ 2897.441480][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.441480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.441480][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.441480][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.441480][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.441480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.441480][ T10] [ 2897.443071][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2897.443071][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.443071][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.443071][ T10] ipv6_find_idev+0x102/0x170 [ 2897.443071][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.443071][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.443071][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.443071][ T10] netlink_unicast+0x449/0x710 [ 2897.443071][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.443071][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.443071][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.443071][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.443071][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.443071][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.443071][ T10] [ 2897.444958][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2897.445265][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2897.445265][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.445265][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.445265][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.445265][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.445265][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.445265][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.445265][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.445265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.445265][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.445265][ T10] netlink_unicast+0x449/0x710 [ 2897.445265][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.445265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.445265][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.445265][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.445265][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.445265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.445265][ T10] [ 2897.447418][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2897.447418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.447418][ T10] ipv6_find_idev+0x102/0x170 [ 2897.447418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.447418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.447418][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.447418][ T10] netlink_unicast+0x449/0x710 [ 2897.447418][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.447418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.447418][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.447418][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.447418][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.447418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.447418][ T10] [ 2897.449121][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2897.449121][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.449121][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.449121][ T10] ipv6_find_idev+0x102/0x170 [ 2897.449121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.449121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.449121][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.449121][ T10] netlink_unicast+0x449/0x710 [ 2897.449121][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.449121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.449121][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.449121][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.449121][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.449121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.449121][ T10] [ 2897.451139][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2897.451449][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2897.451449][ T10] netdev_get_by_index+0x5e/0x80 [ 2897.451449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2897.451449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2897.451449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2897.451449][ T10] ipv6_add_addr+0x411/0x2000 [ 2897.451449][ T10] inet6_addr_add+0x30e/0xa40 [ 2897.451449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2897.451449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.451449][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.451449][ T10] netlink_unicast+0x449/0x710 [ 2897.451449][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.451449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.451449][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.451449][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.451449][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.451449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.451449][ T10] [ 2897.453607][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2897.453607][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2897.453607][ T10] ipv6_find_idev+0x102/0x170 [ 2897.453607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.453607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.453607][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.453607][ T10] netlink_unicast+0x449/0x710 [ 2897.453607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.453607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.453607][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.453607][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.453607][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.453607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.453607][ T10] [ 2897.455251][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2897.455251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2897.455251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2897.455251][ T10] ipv6_find_idev+0x102/0x170 [ 2897.455251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2897.455251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2897.455251][ T10] netlink_rcv_skb+0x130/0x360 [ 2897.455251][ T10] netlink_unicast+0x449/0x710 [ 2897.455251][ T10] netlink_sendmsg+0x723/0xbe0 [ 2897.455251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2897.455251][ T10] ___sys_sendmsg+0xee/0x170 [ 2897.455251][ T10] __sys_sendmsg+0xcd/0x170 [ 2897.455251][ T10] do_syscall_64+0xc6/0x1e0 [ 2897.455251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2897.455251][ T10] [ 2907.698998][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2907.699428][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2907.699428][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.699428][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.699428][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.699428][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.699428][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.699428][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.699428][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.699428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.699428][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.699428][ T10] netlink_unicast+0x449/0x710 [ 2907.699428][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.699428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.699428][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.699428][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.699428][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.699428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.699428][ T10] [ 2907.701424][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2907.701424][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.701424][ T10] ipv6_find_idev+0x102/0x170 [ 2907.701424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.701424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.701424][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.701424][ T10] netlink_unicast+0x449/0x710 [ 2907.701424][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.701424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.701424][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.701424][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.701424][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.701424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.701424][ T10] [ 2907.702952][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2907.702952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.702952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.702952][ T10] ipv6_find_idev+0x102/0x170 [ 2907.702952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.702952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.702952][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.702952][ T10] netlink_unicast+0x449/0x710 [ 2907.702952][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.702952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.702952][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.702952][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.702952][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.702952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.702952][ T10] [ 2907.704643][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2907.704932][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2907.704932][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.704932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.704932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.704932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.704932][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.704932][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.704932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.704932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.704932][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.704932][ T10] netlink_unicast+0x449/0x710 [ 2907.704932][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.704932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.704932][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.704932][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.704932][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.704932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.704932][ T10] [ 2907.706909][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2907.706909][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.706909][ T10] ipv6_find_idev+0x102/0x170 [ 2907.706909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.706909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.706909][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.706909][ T10] netlink_unicast+0x449/0x710 [ 2907.706909][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.706909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.706909][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.706909][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.706909][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.706909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.706909][ T10] [ 2907.708454][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2907.708454][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.708454][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.708454][ T10] ipv6_find_idev+0x102/0x170 [ 2907.708454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.708454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.708454][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.708454][ T10] netlink_unicast+0x449/0x710 [ 2907.708454][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.708454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.708454][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.708454][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.708454][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.708454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.708454][ T10] [ 2907.710139][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2907.710402][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2907.710402][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.710402][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.710402][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.710402][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.710402][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.710402][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.710402][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.710402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.710402][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.710402][ T10] netlink_unicast+0x449/0x710 [ 2907.710402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.710402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.710402][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.710402][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.710402][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.710402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.710402][ T10] [ 2907.712378][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2907.712378][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.712378][ T10] ipv6_find_idev+0x102/0x170 [ 2907.712378][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.712378][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.712378][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.712378][ T10] netlink_unicast+0x449/0x710 [ 2907.712378][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.712378][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.712378][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.712378][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.712378][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.712378][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.712378][ T10] [ 2907.713903][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2907.713903][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.713903][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.713903][ T10] ipv6_find_idev+0x102/0x170 [ 2907.713903][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.713903][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.713903][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.713903][ T10] netlink_unicast+0x449/0x710 [ 2907.713903][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.713903][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.713903][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.713903][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.713903][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.713903][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.713903][ T10] [ 2907.715568][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2907.715831][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2907.715831][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.715831][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.715831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.715831][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.715831][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.715831][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.715831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.715831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.715831][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.715831][ T10] netlink_unicast+0x449/0x710 [ 2907.715831][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.715831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.715831][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.715831][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.715831][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.715831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.715831][ T10] [ 2907.717804][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2907.717804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.717804][ T10] ipv6_find_idev+0x102/0x170 [ 2907.717804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.717804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.717804][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.717804][ T10] netlink_unicast+0x449/0x710 [ 2907.717804][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.717804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.717804][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.717804][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.717804][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.717804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.717804][ T10] [ 2907.719329][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2907.719329][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.719329][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.719329][ T10] ipv6_find_idev+0x102/0x170 [ 2907.719329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.719329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.719329][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.719329][ T10] netlink_unicast+0x449/0x710 [ 2907.719329][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.719329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.719329][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.719329][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.719329][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.719329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.719329][ T10] [ 2907.721394][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2907.721999][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2907.721999][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.721999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.721999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.721999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.721999][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.721999][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.721999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.721999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.721999][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.721999][ T10] netlink_unicast+0x449/0x710 [ 2907.721999][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.721999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.721999][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.721999][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.721999][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.721999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.721999][ T10] [ 2907.723969][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2907.723969][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.723969][ T10] ipv6_find_idev+0x102/0x170 [ 2907.723969][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.723969][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.723969][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.723969][ T10] netlink_unicast+0x449/0x710 [ 2907.723969][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.723969][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.723969][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.723969][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.723969][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.723969][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.723969][ T10] [ 2907.725500][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2907.725500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.725500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.725500][ T10] ipv6_find_idev+0x102/0x170 [ 2907.725500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.725500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.725500][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.725500][ T10] netlink_unicast+0x449/0x710 [ 2907.725500][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.725500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.725500][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.725500][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.725500][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.725500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.725500][ T10] [ 2907.727165][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2907.727427][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2907.727427][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.727427][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.727427][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.727427][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.727427][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.727427][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.727427][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.727427][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.727427][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.727427][ T10] netlink_unicast+0x449/0x710 [ 2907.727427][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.727427][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.727427][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.727427][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.727427][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.727427][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.727427][ T10] [ 2907.729414][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2907.729414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.729414][ T10] ipv6_find_idev+0x102/0x170 [ 2907.729414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.729414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.729414][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.729414][ T10] netlink_unicast+0x449/0x710 [ 2907.729414][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.729414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.729414][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.729414][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.729414][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.729414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.729414][ T10] [ 2907.730998][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2907.730998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.730998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.730998][ T10] ipv6_find_idev+0x102/0x170 [ 2907.730998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.730998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.730998][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.730998][ T10] netlink_unicast+0x449/0x710 [ 2907.730998][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.730998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.730998][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.730998][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.730998][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.730998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.730998][ T10] [ 2907.732832][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2907.733199][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2907.733199][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.733199][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.733199][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.733199][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.733199][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.733199][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.733199][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.733199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.733199][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.733199][ T10] netlink_unicast+0x449/0x710 [ 2907.733199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.733199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.733199][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.733199][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.733199][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.733199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.733199][ T10] [ 2907.735230][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2907.735230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.735230][ T10] ipv6_find_idev+0x102/0x170 [ 2907.735230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.735230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.735230][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.735230][ T10] netlink_unicast+0x449/0x710 [ 2907.735230][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.735230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.735230][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.735230][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.735230][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.735230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.735230][ T10] [ 2907.736881][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2907.736881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.736881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.736881][ T10] ipv6_find_idev+0x102/0x170 [ 2907.736881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.736881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.736881][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.736881][ T10] netlink_unicast+0x449/0x710 [ 2907.736881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.736881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.736881][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.736881][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.736881][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.736881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.736881][ T10] [ 2907.738646][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2907.738980][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2907.738980][ T10] netdev_get_by_index+0x5e/0x80 [ 2907.738980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2907.738980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2907.738980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2907.738980][ T10] ipv6_add_addr+0x411/0x2000 [ 2907.738980][ T10] inet6_addr_add+0x30e/0xa40 [ 2907.738980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2907.738980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.738980][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.738980][ T10] netlink_unicast+0x449/0x710 [ 2907.738980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.738980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.738980][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.738980][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.738980][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.738980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.738980][ T10] [ 2907.741083][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2907.741083][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2907.741083][ T10] ipv6_find_idev+0x102/0x170 [ 2907.741083][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.741083][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.741083][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.741083][ T10] netlink_unicast+0x449/0x710 [ 2907.741083][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.741083][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.741083][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.741083][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.741083][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.741083][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.741083][ T10] [ 2907.742660][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2907.742660][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2907.742660][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2907.742660][ T10] ipv6_find_idev+0x102/0x170 [ 2907.742660][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2907.742660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2907.742660][ T10] netlink_rcv_skb+0x130/0x360 [ 2907.742660][ T10] netlink_unicast+0x449/0x710 [ 2907.742660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2907.742660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2907.742660][ T10] ___sys_sendmsg+0xee/0x170 [ 2907.742660][ T10] __sys_sendmsg+0xcd/0x170 [ 2907.742660][ T10] do_syscall_64+0xc6/0x1e0 [ 2907.742660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2907.742660][ T10] [ 2917.986986][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2917.987396][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2917.987396][ T10] netdev_get_by_index+0x5e/0x80 [ 2917.987396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2917.987396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2917.987396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2917.987396][ T10] ipv6_add_addr+0x411/0x2000 [ 2917.987396][ T10] inet6_addr_add+0x30e/0xa40 [ 2917.987396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2917.987396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2917.987396][ T10] netlink_rcv_skb+0x130/0x360 [ 2917.987396][ T10] netlink_unicast+0x449/0x710 [ 2917.987396][ T10] netlink_sendmsg+0x723/0xbe0 [ 2917.987396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2917.987396][ T10] ___sys_sendmsg+0xee/0x170 [ 2917.987396][ T10] __sys_sendmsg+0xcd/0x170 [ 2917.987396][ T10] do_syscall_64+0xc6/0x1e0 [ 2917.987396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2917.987396][ T10] [ 2917.989401][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2917.989401][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2917.989401][ T10] ipv6_find_idev+0x102/0x170 [ 2917.989401][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2917.989401][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2917.989401][ T10] netlink_rcv_skb+0x130/0x360 [ 2917.989401][ T10] netlink_unicast+0x449/0x710 [ 2917.989401][ T10] netlink_sendmsg+0x723/0xbe0 [ 2917.989401][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2917.989401][ T10] ___sys_sendmsg+0xee/0x170 [ 2917.989401][ T10] __sys_sendmsg+0xcd/0x170 [ 2917.989401][ T10] do_syscall_64+0xc6/0x1e0 [ 2917.989401][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2917.989401][ T10] [ 2917.990930][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2917.990930][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2917.990930][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2917.990930][ T10] ipv6_find_idev+0x102/0x170 [ 2917.990930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2917.990930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2917.990930][ T10] netlink_rcv_skb+0x130/0x360 [ 2917.990930][ T10] netlink_unicast+0x449/0x710 [ 2917.990930][ T10] netlink_sendmsg+0x723/0xbe0 [ 2917.990930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2917.990930][ T10] ___sys_sendmsg+0xee/0x170 [ 2917.990930][ T10] __sys_sendmsg+0xcd/0x170 [ 2917.990930][ T10] do_syscall_64+0xc6/0x1e0 [ 2917.990930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2917.990930][ T10] [ 2917.992629][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2917.992912][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2917.992912][ T10] netdev_get_by_index+0x5e/0x80 [ 2917.992912][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2917.992912][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2917.992912][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2917.992912][ T10] ipv6_add_addr+0x411/0x2000 [ 2917.992912][ T10] inet6_addr_add+0x30e/0xa40 [ 2917.992912][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2917.992912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2917.992912][ T10] netlink_rcv_skb+0x130/0x360 [ 2917.992912][ T10] netlink_unicast+0x449/0x710 [ 2917.992912][ T10] netlink_sendmsg+0x723/0xbe0 [ 2917.992912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2917.992912][ T10] ___sys_sendmsg+0xee/0x170 [ 2917.992912][ T10] __sys_sendmsg+0xcd/0x170 [ 2917.992912][ T10] do_syscall_64+0xc6/0x1e0 [ 2917.992912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2917.992912][ T10] [ 2917.994896][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2917.994896][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2917.994896][ T10] ipv6_find_idev+0x102/0x170 [ 2917.994896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2917.994896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2917.994896][ T10] netlink_rcv_skb+0x130/0x360 [ 2917.994896][ T10] netlink_unicast+0x449/0x710 [ 2917.994896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2917.994896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2917.994896][ T10] ___sys_sendmsg+0xee/0x170 [ 2917.994896][ T10] __sys_sendmsg+0xcd/0x170 [ 2917.994896][ T10] do_syscall_64+0xc6/0x1e0 [ 2917.994896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2917.994896][ T10] [ 2917.996423][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2917.996423][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2917.996423][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2917.996423][ T10] ipv6_find_idev+0x102/0x170 [ 2917.996423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2917.996423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2917.996423][ T10] netlink_rcv_skb+0x130/0x360 [ 2917.996423][ T10] netlink_unicast+0x449/0x710 [ 2917.996423][ T10] netlink_sendmsg+0x723/0xbe0 [ 2917.996423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2917.996423][ T10] ___sys_sendmsg+0xee/0x170 [ 2917.996423][ T10] __sys_sendmsg+0xcd/0x170 [ 2917.996423][ T10] do_syscall_64+0xc6/0x1e0 [ 2917.996423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2917.996423][ T10] [ 2917.998099][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2917.998363][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2917.998363][ T10] netdev_get_by_index+0x5e/0x80 [ 2917.998363][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2917.998363][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2917.998363][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2917.998363][ T10] ipv6_add_addr+0x411/0x2000 [ 2917.998363][ T10] inet6_addr_add+0x30e/0xa40 [ 2917.998363][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2917.998363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2917.998363][ T10] netlink_rcv_skb+0x130/0x360 [ 2917.998363][ T10] netlink_unicast+0x449/0x710 [ 2917.998363][ T10] netlink_sendmsg+0x723/0xbe0 [ 2917.998363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2917.998363][ T10] ___sys_sendmsg+0xee/0x170 [ 2917.998363][ T10] __sys_sendmsg+0xcd/0x170 [ 2917.998363][ T10] do_syscall_64+0xc6/0x1e0 [ 2917.998363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2917.998363][ T10] [ 2918.000355][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2918.000355][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2918.000355][ T10] ipv6_find_idev+0x102/0x170 [ 2918.000355][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.000355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.000355][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.000355][ T10] netlink_unicast+0x449/0x710 [ 2918.000355][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.000355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.000355][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.000355][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.000355][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.000355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.000355][ T10] [ 2918.001881][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2918.001881][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2918.001881][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2918.001881][ T10] ipv6_find_idev+0x102/0x170 [ 2918.001881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.001881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.001881][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.001881][ T10] netlink_unicast+0x449/0x710 [ 2918.001881][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.001881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.001881][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.001881][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.001881][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.001881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.001881][ T10] [ 2918.003550][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2918.003815][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2918.003815][ T10] netdev_get_by_index+0x5e/0x80 [ 2918.003815][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2918.003815][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2918.003815][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2918.003815][ T10] ipv6_add_addr+0x411/0x2000 [ 2918.003815][ T10] inet6_addr_add+0x30e/0xa40 [ 2918.003815][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.003815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.003815][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.003815][ T10] netlink_unicast+0x449/0x710 [ 2918.003815][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.003815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.003815][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.003815][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.003815][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.003815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.003815][ T10] [ 2918.005797][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2918.005797][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2918.005797][ T10] ipv6_find_idev+0x102/0x170 [ 2918.005797][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.005797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.005797][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.005797][ T10] netlink_unicast+0x449/0x710 [ 2918.005797][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.005797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.005797][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.005797][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.005797][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.005797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.005797][ T10] [ 2918.007326][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2918.007326][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2918.007326][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2918.007326][ T10] ipv6_find_idev+0x102/0x170 [ 2918.007326][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.007326][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.007326][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.007326][ T10] netlink_unicast+0x449/0x710 [ 2918.007326][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.007326][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.007326][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.007326][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.007326][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.007326][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.007326][ T10] [ 2918.009410][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2918.010019][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2918.010019][ T10] netdev_get_by_index+0x5e/0x80 [ 2918.010019][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2918.010019][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2918.010019][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2918.010019][ T10] ipv6_add_addr+0x411/0x2000 [ 2918.010019][ T10] inet6_addr_add+0x30e/0xa40 [ 2918.010019][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.010019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.010019][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.010019][ T10] netlink_unicast+0x449/0x710 [ 2918.010019][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.010019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.010019][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.010019][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.010019][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.010019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.010019][ T10] [ 2918.012002][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2918.012002][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2918.012002][ T10] ipv6_find_idev+0x102/0x170 [ 2918.012002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.012002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.012002][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.012002][ T10] netlink_unicast+0x449/0x710 [ 2918.012002][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.012002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.012002][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.012002][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.012002][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.012002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.012002][ T10] [ 2918.013526][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2918.013526][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2918.013526][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2918.013526][ T10] ipv6_find_idev+0x102/0x170 [ 2918.013526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.013526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.013526][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.013526][ T10] netlink_unicast+0x449/0x710 [ 2918.013526][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.013526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.013526][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.013526][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.013526][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.013526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.013526][ T10] [ 2918.015198][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2918.015467][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2918.015467][ T10] netdev_get_by_index+0x5e/0x80 [ 2918.015467][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2918.015467][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2918.015467][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2918.015467][ T10] ipv6_add_addr+0x411/0x2000 [ 2918.015467][ T10] inet6_addr_add+0x30e/0xa40 [ 2918.015467][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.015467][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.015467][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.015467][ T10] netlink_unicast+0x449/0x710 [ 2918.015467][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.015467][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.015467][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.015467][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.015467][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.015467][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.015467][ T10] [ 2918.017459][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2918.017459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2918.017459][ T10] ipv6_find_idev+0x102/0x170 [ 2918.017459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.017459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.017459][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.017459][ T10] netlink_unicast+0x449/0x710 [ 2918.017459][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.017459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.017459][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.017459][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.017459][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.017459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.017459][ T10] [ 2918.019044][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2918.019044][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2918.019044][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2918.019044][ T10] ipv6_find_idev+0x102/0x170 [ 2918.019044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.019044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.019044][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.019044][ T10] netlink_unicast+0x449/0x710 [ 2918.019044][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.019044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.019044][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.019044][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.019044][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.019044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.019044][ T10] [ 2918.020957][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2918.021266][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2918.021266][ T10] netdev_get_by_index+0x5e/0x80 [ 2918.021266][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2918.021266][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2918.021266][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2918.021266][ T10] ipv6_add_addr+0x411/0x2000 [ 2918.021266][ T10] inet6_addr_add+0x30e/0xa40 [ 2918.021266][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.021266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.021266][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.021266][ T10] netlink_unicast+0x449/0x710 [ 2918.021266][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.021266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.021266][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.021266][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.021266][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.021266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.021266][ T10] [ 2918.023420][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2918.023420][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2918.023420][ T10] ipv6_find_idev+0x102/0x170 [ 2918.023420][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.023420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.023420][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.023420][ T10] netlink_unicast+0x449/0x710 [ 2918.023420][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.023420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.023420][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.023420][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.023420][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.023420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.023420][ T10] [ 2918.025185][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2918.025185][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2918.025185][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2918.025185][ T10] ipv6_find_idev+0x102/0x170 [ 2918.025185][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.025185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.025185][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.025185][ T10] netlink_unicast+0x449/0x710 [ 2918.025185][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.025185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.025185][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.025185][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.025185][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.025185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.025185][ T10] [ 2918.027138][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2918.027446][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2918.027446][ T10] netdev_get_by_index+0x5e/0x80 [ 2918.027446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2918.027446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2918.027446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2918.027446][ T10] ipv6_add_addr+0x411/0x2000 [ 2918.027446][ T10] inet6_addr_add+0x30e/0xa40 [ 2918.027446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2918.027446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.027446][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.027446][ T10] netlink_unicast+0x449/0x710 [ 2918.027446][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.027446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.027446][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.027446][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.027446][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.027446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.027446][ T10] [ 2918.029605][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2918.029605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2918.029605][ T10] ipv6_find_idev+0x102/0x170 [ 2918.029605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.029605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.029605][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.029605][ T10] netlink_unicast+0x449/0x710 [ 2918.029605][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.029605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.029605][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.029605][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.029605][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.029605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.029605][ T10] [ 2918.031249][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2918.031249][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2918.031249][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2918.031249][ T10] ipv6_find_idev+0x102/0x170 [ 2918.031249][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2918.031249][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2918.031249][ T10] netlink_rcv_skb+0x130/0x360 [ 2918.031249][ T10] netlink_unicast+0x449/0x710 [ 2918.031249][ T10] netlink_sendmsg+0x723/0xbe0 [ 2918.031249][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2918.031249][ T10] ___sys_sendmsg+0xee/0x170 [ 2918.031249][ T10] __sys_sendmsg+0xcd/0x170 [ 2918.031249][ T10] do_syscall_64+0xc6/0x1e0 [ 2918.031249][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2918.031249][ T10] [ 2928.242990][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2928.243539][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2928.243539][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.243539][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.243539][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.243539][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.243539][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.243539][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.243539][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.243539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.243539][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.243539][ T10] netlink_unicast+0x449/0x710 [ 2928.243539][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.243539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.243539][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.243539][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.243539][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.243539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.243539][ T10] [ 2928.246681][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2928.246681][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.246681][ T10] ipv6_find_idev+0x102/0x170 [ 2928.246681][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.246681][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.246681][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.246681][ T10] netlink_unicast+0x449/0x710 [ 2928.246681][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.246681][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.246681][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.246681][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.246681][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.246681][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.246681][ T10] [ 2928.249139][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2928.249139][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.249139][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.249139][ T10] ipv6_find_idev+0x102/0x170 [ 2928.249139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.249139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.249139][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.249139][ T10] netlink_unicast+0x449/0x710 [ 2928.249139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.249139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.249139][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.249139][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.249139][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.249139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.249139][ T10] [ 2928.251800][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2928.252245][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2928.252245][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.252245][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.252245][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.252245][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.252245][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.252245][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.252245][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.252245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.252245][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.252245][ T10] netlink_unicast+0x449/0x710 [ 2928.252245][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.252245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.252245][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.252245][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.252245][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.252245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.252245][ T10] [ 2928.255394][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2928.255394][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.255394][ T10] ipv6_find_idev+0x102/0x170 [ 2928.255394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.255394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.255394][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.255394][ T10] netlink_unicast+0x449/0x710 [ 2928.255394][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.255394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.255394][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.255394][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.255394][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.255394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.255394][ T10] [ 2928.257896][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2928.257896][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.257896][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.257896][ T10] ipv6_find_idev+0x102/0x170 [ 2928.257896][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.257896][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.257896][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.257896][ T10] netlink_unicast+0x449/0x710 [ 2928.257896][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.257896][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.257896][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.257896][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.257896][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.257896][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.257896][ T10] [ 2928.260572][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2928.261103][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2928.261103][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.261103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.261103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.261103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.261103][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.261103][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.261103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.261103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.261103][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.261103][ T10] netlink_unicast+0x449/0x710 [ 2928.261103][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.261103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.261103][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.261103][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.261103][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.261103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.261103][ T10] [ 2928.264244][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2928.264244][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.264244][ T10] ipv6_find_idev+0x102/0x170 [ 2928.264244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.264244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.264244][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.264244][ T10] netlink_unicast+0x449/0x710 [ 2928.264244][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.264244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.264244][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.264244][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.264244][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.264244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.264244][ T10] [ 2928.266673][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2928.266673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.266673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.266673][ T10] ipv6_find_idev+0x102/0x170 [ 2928.266673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.266673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.266673][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.266673][ T10] netlink_unicast+0x449/0x710 [ 2928.266673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.266673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.266673][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.266673][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.266673][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.266673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.266673][ T10] [ 2928.269418][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2928.269834][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2928.269834][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.269834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.269834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.269834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.269834][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.269834][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.269834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.269834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.269834][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.269834][ T10] netlink_unicast+0x449/0x710 [ 2928.269834][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.269834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.269834][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.269834][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.269834][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.269834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.269834][ T10] [ 2928.272975][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2928.272975][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.272975][ T10] ipv6_find_idev+0x102/0x170 [ 2928.272975][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.272975][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.272975][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.272975][ T10] netlink_unicast+0x449/0x710 [ 2928.272975][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.272975][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.272975][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.272975][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.272975][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.272975][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.272975][ T10] [ 2928.274517][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2928.274517][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.274517][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.274517][ T10] ipv6_find_idev+0x102/0x170 [ 2928.274517][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.274517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.274517][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.274517][ T10] netlink_unicast+0x449/0x710 [ 2928.274517][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.274517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.274517][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.274517][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.274517][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.274517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.274517][ T10] [ 2928.276237][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2928.276497][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2928.276497][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.276497][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.276497][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.276497][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.276497][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.276497][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.276497][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.276497][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.276497][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.276497][ T10] netlink_unicast+0x449/0x710 [ 2928.276497][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.276497][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.276497][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.276497][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.276497][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.276497][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.276497][ T10] [ 2928.278859][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2928.278859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.278859][ T10] ipv6_find_idev+0x102/0x170 [ 2928.278859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.278859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.278859][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.278859][ T10] netlink_unicast+0x449/0x710 [ 2928.278859][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.278859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.278859][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.278859][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.278859][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.278859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.278859][ T10] [ 2928.280690][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2928.280690][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.280690][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.280690][ T10] ipv6_find_idev+0x102/0x170 [ 2928.280690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.280690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.280690][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.280690][ T10] netlink_unicast+0x449/0x710 [ 2928.280690][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.280690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.280690][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.280690][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.280690][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.280690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.280690][ T10] [ 2928.282608][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2928.282877][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2928.282877][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.282877][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.282877][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.282877][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.282877][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.282877][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.282877][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.282877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.282877][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.282877][ T10] netlink_unicast+0x449/0x710 [ 2928.282877][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.282877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.282877][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.282877][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.282877][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.282877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.282877][ T10] [ 2928.285106][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2928.285106][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.285106][ T10] ipv6_find_idev+0x102/0x170 [ 2928.285106][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.285106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.285106][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.285106][ T10] netlink_unicast+0x449/0x710 [ 2928.285106][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.285106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.285106][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.285106][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.285106][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.285106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.285106][ T10] [ 2928.287402][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2928.287402][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.287402][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.287402][ T10] ipv6_find_idev+0x102/0x170 [ 2928.287402][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.287402][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.287402][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.287402][ T10] netlink_unicast+0x449/0x710 [ 2928.287402][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.287402][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.287402][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.287402][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.287402][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.287402][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.287402][ T10] [ 2928.289957][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2928.290218][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2928.290218][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.290218][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.290218][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.290218][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.290218][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.290218][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.290218][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.290218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.290218][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.290218][ T10] netlink_unicast+0x449/0x710 [ 2928.290218][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.290218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.290218][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.290218][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.290218][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.290218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.290218][ T10] [ 2928.292350][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2928.292350][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.292350][ T10] ipv6_find_idev+0x102/0x170 [ 2928.292350][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.292350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.292350][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.292350][ T10] netlink_unicast+0x449/0x710 [ 2928.292350][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.292350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.292350][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.292350][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.292350][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.292350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.292350][ T10] [ 2928.294043][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2928.294043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.294043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.294043][ T10] ipv6_find_idev+0x102/0x170 [ 2928.294043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.294043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.294043][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.294043][ T10] netlink_unicast+0x449/0x710 [ 2928.294043][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.294043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.294043][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.294043][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.294043][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.294043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.294043][ T10] [ 2928.296014][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2928.296279][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2928.296279][ T10] netdev_get_by_index+0x5e/0x80 [ 2928.296279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2928.296279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2928.296279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2928.296279][ T10] ipv6_add_addr+0x411/0x2000 [ 2928.296279][ T10] inet6_addr_add+0x30e/0xa40 [ 2928.296279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2928.296279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.296279][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.296279][ T10] netlink_unicast+0x449/0x710 [ 2928.296279][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.296279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.296279][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.296279][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.296279][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.296279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.296279][ T10] [ 2928.298441][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2928.298441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2928.298441][ T10] ipv6_find_idev+0x102/0x170 [ 2928.298441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.298441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.298441][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.298441][ T10] netlink_unicast+0x449/0x710 [ 2928.298441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.298441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.298441][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.298441][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.298441][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.298441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.298441][ T10] [ 2928.300134][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2928.300134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2928.300134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2928.300134][ T10] ipv6_find_idev+0x102/0x170 [ 2928.300134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2928.300134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2928.300134][ T10] netlink_rcv_skb+0x130/0x360 [ 2928.300134][ T10] netlink_unicast+0x449/0x710 [ 2928.300134][ T10] netlink_sendmsg+0x723/0xbe0 [ 2928.300134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2928.300134][ T10] ___sys_sendmsg+0xee/0x170 [ 2928.300134][ T10] __sys_sendmsg+0xcd/0x170 [ 2928.300134][ T10] do_syscall_64+0xc6/0x1e0 [ 2928.300134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2928.300134][ T10] [ 2938.539017][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2938.539408][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2938.539408][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.539408][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.539408][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.539408][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.539408][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.539408][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.539408][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.539408][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.539408][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.539408][ T10] netlink_unicast+0x449/0x710 [ 2938.539408][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.539408][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.539408][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.539408][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.539408][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.539408][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.539408][ T10] [ 2938.541375][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2938.541375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.541375][ T10] ipv6_find_idev+0x102/0x170 [ 2938.541375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.541375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.541375][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.541375][ T10] netlink_unicast+0x449/0x710 [ 2938.541375][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.541375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.541375][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.541375][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.541375][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.541375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.541375][ T10] [ 2938.542884][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2938.542884][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.542884][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.542884][ T10] ipv6_find_idev+0x102/0x170 [ 2938.542884][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.542884][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.542884][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.542884][ T10] netlink_unicast+0x449/0x710 [ 2938.542884][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.542884][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.542884][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.542884][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.542884][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.542884][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.542884][ T10] [ 2938.544534][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2938.544802][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2938.544802][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.544802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.544802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.544802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.544802][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.544802][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.544802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.544802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.544802][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.544802][ T10] netlink_unicast+0x449/0x710 [ 2938.544802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.544802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.544802][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.544802][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.544802][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.544802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.544802][ T10] [ 2938.546758][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2938.546758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.546758][ T10] ipv6_find_idev+0x102/0x170 [ 2938.546758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.546758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.546758][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.546758][ T10] netlink_unicast+0x449/0x710 [ 2938.546758][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.546758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.546758][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.546758][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.546758][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.546758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.546758][ T10] [ 2938.548260][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2938.548260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.548260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.548260][ T10] ipv6_find_idev+0x102/0x170 [ 2938.548260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.548260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.548260][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.548260][ T10] netlink_unicast+0x449/0x710 [ 2938.548260][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.548260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.548260][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.548260][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.548260][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.548260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.548260][ T10] [ 2938.549916][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2938.550172][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2938.550172][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.550172][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.550172][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.550172][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.550172][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.550172][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.550172][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.550172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.550172][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.550172][ T10] netlink_unicast+0x449/0x710 [ 2938.550172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.550172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.550172][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.550172][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.550172][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.550172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.550172][ T10] [ 2938.552139][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2938.552139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.552139][ T10] ipv6_find_idev+0x102/0x170 [ 2938.552139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.552139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.552139][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.552139][ T10] netlink_unicast+0x449/0x710 [ 2938.552139][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.552139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.552139][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.552139][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.552139][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.552139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.552139][ T10] [ 2938.553641][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2938.553641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.553641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.553641][ T10] ipv6_find_idev+0x102/0x170 [ 2938.553641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.553641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.553641][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.553641][ T10] netlink_unicast+0x449/0x710 [ 2938.553641][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.553641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.553641][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.553641][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.553641][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.553641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.553641][ T10] [ 2938.555285][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2938.555555][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2938.555555][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.555555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.555555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.555555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.555555][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.555555][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.555555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.555555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.555555][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.555555][ T10] netlink_unicast+0x449/0x710 [ 2938.555555][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.555555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.555555][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.555555][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.555555][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.555555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.555555][ T10] [ 2938.557508][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2938.557508][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.557508][ T10] ipv6_find_idev+0x102/0x170 [ 2938.557508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.557508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.557508][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.557508][ T10] netlink_unicast+0x449/0x710 [ 2938.557508][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.557508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.557508][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.557508][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.557508][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.557508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.557508][ T10] [ 2938.559014][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2938.559014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.559014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.559014][ T10] ipv6_find_idev+0x102/0x170 [ 2938.559014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.559014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.559014][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.559014][ T10] netlink_unicast+0x449/0x710 [ 2938.559014][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.559014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.559014][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.559014][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.559014][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.559014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.559014][ T10] [ 2938.560660][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2938.560980][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2938.560980][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.560980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.560980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.560980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.560980][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.560980][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.560980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.560980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.560980][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.560980][ T10] netlink_unicast+0x449/0x710 [ 2938.560980][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.560980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.560980][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.560980][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.560980][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.560980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.560980][ T10] [ 2938.562937][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2938.562937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.562937][ T10] ipv6_find_idev+0x102/0x170 [ 2938.562937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.562937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.562937][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.562937][ T10] netlink_unicast+0x449/0x710 [ 2938.562937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.562937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.562937][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.562937][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.562937][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.562937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.562937][ T10] [ 2938.564441][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2938.564441][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.564441][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.564441][ T10] ipv6_find_idev+0x102/0x170 [ 2938.564441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.564441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.564441][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.564441][ T10] netlink_unicast+0x449/0x710 [ 2938.564441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.564441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.564441][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.564441][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.564441][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.564441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.564441][ T10] [ 2938.566408][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2938.566674][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2938.566674][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.566674][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.566674][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.566674][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.566674][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.566674][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.566674][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.566674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.566674][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.566674][ T10] netlink_unicast+0x449/0x710 [ 2938.566674][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.566674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.566674][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.566674][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.566674][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.566674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.566674][ T10] [ 2938.568806][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2938.568806][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.568806][ T10] ipv6_find_idev+0x102/0x170 [ 2938.568806][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.568806][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.568806][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.568806][ T10] netlink_unicast+0x449/0x710 [ 2938.568806][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.568806][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.568806][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.568806][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.568806][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.568806][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.568806][ T10] [ 2938.570496][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2938.570496][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.570496][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.570496][ T10] ipv6_find_idev+0x102/0x170 [ 2938.570496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.570496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.570496][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.570496][ T10] netlink_unicast+0x449/0x710 [ 2938.570496][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.570496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.570496][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.570496][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.570496][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.570496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.570496][ T10] [ 2938.572358][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2938.572612][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2938.572612][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.572612][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.572612][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.572612][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.572612][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.572612][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.572612][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.572612][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.572612][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.572612][ T10] netlink_unicast+0x449/0x710 [ 2938.572612][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.572612][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.572612][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.572612][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.572612][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.572612][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.572612][ T10] [ 2938.574924][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2938.574924][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.574924][ T10] ipv6_find_idev+0x102/0x170 [ 2938.574924][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.574924][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.574924][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.574924][ T10] netlink_unicast+0x449/0x710 [ 2938.574924][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.574924][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.574924][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.574924][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.574924][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.574924][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.574924][ T10] [ 2938.577673][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2938.577673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.577673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.577673][ T10] ipv6_find_idev+0x102/0x170 [ 2938.577673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.577673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.577673][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.577673][ T10] netlink_unicast+0x449/0x710 [ 2938.577673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.577673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.577673][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.577673][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.577673][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.577673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.577673][ T10] [ 2938.580683][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2938.581200][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2938.581200][ T10] netdev_get_by_index+0x5e/0x80 [ 2938.581200][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2938.581200][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2938.581200][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2938.581200][ T10] ipv6_add_addr+0x411/0x2000 [ 2938.581200][ T10] inet6_addr_add+0x30e/0xa40 [ 2938.581200][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2938.581200][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.581200][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.581200][ T10] netlink_unicast+0x449/0x710 [ 2938.581200][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.581200][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.581200][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.581200][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.581200][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.581200][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.581200][ T10] [ 2938.584628][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2938.584628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2938.584628][ T10] ipv6_find_idev+0x102/0x170 [ 2938.584628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.584628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.584628][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.584628][ T10] netlink_unicast+0x449/0x710 [ 2938.584628][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.584628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.584628][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.584628][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.584628][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.584628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.584628][ T10] [ 2938.587342][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2938.587342][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2938.587342][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2938.587342][ T10] ipv6_find_idev+0x102/0x170 [ 2938.587342][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2938.587342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2938.587342][ T10] netlink_rcv_skb+0x130/0x360 [ 2938.587342][ T10] netlink_unicast+0x449/0x710 [ 2938.587342][ T10] netlink_sendmsg+0x723/0xbe0 [ 2938.587342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2938.587342][ T10] ___sys_sendmsg+0xee/0x170 [ 2938.587342][ T10] __sys_sendmsg+0xcd/0x170 [ 2938.587342][ T10] do_syscall_64+0xc6/0x1e0 [ 2938.587342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2938.587342][ T10] [ 2948.826965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2948.827537][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2948.827537][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.827537][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.827537][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.827537][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.827537][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.827537][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.827537][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.827537][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.827537][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.827537][ T10] netlink_unicast+0x449/0x710 [ 2948.827537][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.827537][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.827537][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.827537][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.827537][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.827537][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.827537][ T10] [ 2948.830753][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2948.830753][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.830753][ T10] ipv6_find_idev+0x102/0x170 [ 2948.830753][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.830753][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.830753][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.830753][ T10] netlink_unicast+0x449/0x710 [ 2948.830753][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.830753][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.830753][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.830753][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.830753][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.830753][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.830753][ T10] [ 2948.833262][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2948.833262][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.833262][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.833262][ T10] ipv6_find_idev+0x102/0x170 [ 2948.833262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.833262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.833262][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.833262][ T10] netlink_unicast+0x449/0x710 [ 2948.833262][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.833262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.833262][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.833262][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.833262][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.833262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.833262][ T10] [ 2948.835915][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2948.836353][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2948.836353][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.836353][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.836353][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.836353][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.836353][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.836353][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.836353][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.836353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.836353][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.836353][ T10] netlink_unicast+0x449/0x710 [ 2948.836353][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.836353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.836353][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.836353][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.836353][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.836353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.836353][ T10] [ 2948.839435][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2948.839435][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.839435][ T10] ipv6_find_idev+0x102/0x170 [ 2948.839435][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.839435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.839435][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.839435][ T10] netlink_unicast+0x449/0x710 [ 2948.839435][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.839435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.839435][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.839435][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.839435][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.839435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.839435][ T10] [ 2948.841841][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2948.841841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.841841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.841841][ T10] ipv6_find_idev+0x102/0x170 [ 2948.841841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.841841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.841841][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.841841][ T10] netlink_unicast+0x449/0x710 [ 2948.841841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.841841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.841841][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.841841][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.841841][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.841841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.841841][ T10] [ 2948.844432][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2948.844848][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2948.844848][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.844848][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.844848][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.844848][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.844848][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.844848][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.844848][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.844848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.844848][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.844848][ T10] netlink_unicast+0x449/0x710 [ 2948.844848][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.844848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.844848][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.844848][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.844848][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.844848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.844848][ T10] [ 2948.847812][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2948.847812][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.847812][ T10] ipv6_find_idev+0x102/0x170 [ 2948.847812][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.847812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.847812][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.847812][ T10] netlink_unicast+0x449/0x710 [ 2948.847812][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.847812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.847812][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.847812][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.847812][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.847812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.847812][ T10] [ 2948.850074][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2948.850074][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.850074][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.850074][ T10] ipv6_find_idev+0x102/0x170 [ 2948.850074][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.850074][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.850074][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.850074][ T10] netlink_unicast+0x449/0x710 [ 2948.850074][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.850074][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.850074][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.850074][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.850074][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.850074][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.850074][ T10] [ 2948.852643][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2948.853869][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2948.853869][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.853869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.853869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.853869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.853869][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.853869][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.853869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.853869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.853869][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.853869][ T10] netlink_unicast+0x449/0x710 [ 2948.853869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.853869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.853869][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.853869][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.853869][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.853869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.853869][ T10] [ 2948.856960][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2948.856960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.856960][ T10] ipv6_find_idev+0x102/0x170 [ 2948.856960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.856960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.856960][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.856960][ T10] netlink_unicast+0x449/0x710 [ 2948.856960][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.856960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.856960][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.856960][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.856960][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.856960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.856960][ T10] [ 2948.859324][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2948.859324][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.859324][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.859324][ T10] ipv6_find_idev+0x102/0x170 [ 2948.859324][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.859324][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.859324][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.859324][ T10] netlink_unicast+0x449/0x710 [ 2948.859324][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.859324][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.859324][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.859324][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.859324][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.859324][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.859324][ T10] [ 2948.862001][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2948.862417][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2948.862417][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.862417][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.862417][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.862417][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.862417][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.862417][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.862417][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.862417][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.862417][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.862417][ T10] netlink_unicast+0x449/0x710 [ 2948.862417][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.862417][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.862417][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.862417][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.862417][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.862417][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.862417][ T10] [ 2948.865436][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2948.865436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.865436][ T10] ipv6_find_idev+0x102/0x170 [ 2948.865436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.865436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.865436][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.865436][ T10] netlink_unicast+0x449/0x710 [ 2948.865436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.865436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.865436][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.865436][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.865436][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.865436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.865436][ T10] [ 2948.867756][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2948.867756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.867756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.867756][ T10] ipv6_find_idev+0x102/0x170 [ 2948.867756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.867756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.867756][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.867756][ T10] netlink_unicast+0x449/0x710 [ 2948.867756][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.867756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.867756][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.867756][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.867756][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.867756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.867756][ T10] [ 2948.870444][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2948.870882][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2948.870882][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.870882][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.870882][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.870882][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.870882][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.870882][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.870882][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.870882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.870882][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.870882][ T10] netlink_unicast+0x449/0x710 [ 2948.870882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.870882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.870882][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.870882][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.870882][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.870882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.870882][ T10] [ 2948.874047][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2948.874047][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.874047][ T10] ipv6_find_idev+0x102/0x170 [ 2948.874047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.874047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.874047][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.874047][ T10] netlink_unicast+0x449/0x710 [ 2948.874047][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.874047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.874047][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.874047][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.874047][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.874047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.874047][ T10] [ 2948.876780][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2948.876780][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.876780][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.876780][ T10] ipv6_find_idev+0x102/0x170 [ 2948.876780][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.876780][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.876780][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.876780][ T10] netlink_unicast+0x449/0x710 [ 2948.876780][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.876780][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.876780][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.876780][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.876780][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.876780][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.876780][ T10] [ 2948.879775][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2948.880272][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2948.880272][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.880272][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.880272][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.880272][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.880272][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.880272][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.880272][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.880272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.880272][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.880272][ T10] netlink_unicast+0x449/0x710 [ 2948.880272][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.880272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.880272][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.880272][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.880272][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.880272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.880272][ T10] [ 2948.883680][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2948.883680][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.883680][ T10] ipv6_find_idev+0x102/0x170 [ 2948.883680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.883680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.883680][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.883680][ T10] netlink_unicast+0x449/0x710 [ 2948.883680][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.883680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.883680][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.883680][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.883680][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.883680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.883680][ T10] [ 2948.886377][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2948.886377][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.886377][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.886377][ T10] ipv6_find_idev+0x102/0x170 [ 2948.886377][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.886377][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.886377][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.886377][ T10] netlink_unicast+0x449/0x710 [ 2948.886377][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.886377][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.886377][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.886377][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.886377][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.886377][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.886377][ T10] [ 2948.889388][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2948.889794][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2948.889794][ T10] netdev_get_by_index+0x5e/0x80 [ 2948.889794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2948.889794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2948.889794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2948.889794][ T10] ipv6_add_addr+0x411/0x2000 [ 2948.889794][ T10] inet6_addr_add+0x30e/0xa40 [ 2948.889794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2948.889794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.889794][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.889794][ T10] netlink_unicast+0x449/0x710 [ 2948.889794][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.889794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.889794][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.889794][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.889794][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.889794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.889794][ T10] [ 2948.893370][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2948.893370][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2948.893370][ T10] ipv6_find_idev+0x102/0x170 [ 2948.893370][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.893370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.893370][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.893370][ T10] netlink_unicast+0x449/0x710 [ 2948.893370][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.893370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.893370][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.893370][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.893370][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.893370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.893370][ T10] [ 2948.896102][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2948.896102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2948.896102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2948.896102][ T10] ipv6_find_idev+0x102/0x170 [ 2948.896102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2948.896102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2948.896102][ T10] netlink_rcv_skb+0x130/0x360 [ 2948.896102][ T10] netlink_unicast+0x449/0x710 [ 2948.896102][ T10] netlink_sendmsg+0x723/0xbe0 [ 2948.896102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2948.896102][ T10] ___sys_sendmsg+0xee/0x170 [ 2948.896102][ T10] __sys_sendmsg+0xcd/0x170 [ 2948.896102][ T10] do_syscall_64+0xc6/0x1e0 [ 2948.896102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2948.896102][ T10] [ 2959.138961][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2959.139577][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2959.139577][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.139577][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.139577][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.139577][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.139577][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.139577][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.139577][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.139577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.139577][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.139577][ T10] netlink_unicast+0x449/0x710 [ 2959.139577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.139577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.139577][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.139577][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.139577][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.139577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.139577][ T10] [ 2959.142714][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2959.142714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.142714][ T10] ipv6_find_idev+0x102/0x170 [ 2959.142714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.142714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.142714][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.142714][ T10] netlink_unicast+0x449/0x710 [ 2959.142714][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.142714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.142714][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.142714][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.142714][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.142714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.142714][ T10] [ 2959.145172][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2959.145172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.145172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.145172][ T10] ipv6_find_idev+0x102/0x170 [ 2959.145172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.145172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.145172][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.145172][ T10] netlink_unicast+0x449/0x710 [ 2959.145172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.145172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.145172][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.145172][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.145172][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.145172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.145172][ T10] [ 2959.147795][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2959.148178][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2959.148178][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.148178][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.148178][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.148178][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.148178][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.148178][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.148178][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.148178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.148178][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.148178][ T10] netlink_unicast+0x449/0x710 [ 2959.148178][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.148178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.148178][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.148178][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.148178][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.148178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.148178][ T10] [ 2959.151223][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2959.151223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.151223][ T10] ipv6_find_idev+0x102/0x170 [ 2959.151223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.151223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.151223][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.151223][ T10] netlink_unicast+0x449/0x710 [ 2959.151223][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.151223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.151223][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.151223][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.151223][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.151223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.151223][ T10] [ 2959.153472][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2959.153472][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.153472][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.153472][ T10] ipv6_find_idev+0x102/0x170 [ 2959.153472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.153472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.153472][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.153472][ T10] netlink_unicast+0x449/0x710 [ 2959.153472][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.153472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.153472][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.153472][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.153472][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.153472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.153472][ T10] [ 2959.155961][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2959.156362][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2959.156362][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.156362][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.156362][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.156362][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.156362][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.156362][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.156362][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.156362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.156362][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.156362][ T10] netlink_unicast+0x449/0x710 [ 2959.156362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.156362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.156362][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.156362][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.156362][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.156362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.156362][ T10] [ 2959.159456][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2959.159456][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.159456][ T10] ipv6_find_idev+0x102/0x170 [ 2959.159456][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.159456][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.159456][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.159456][ T10] netlink_unicast+0x449/0x710 [ 2959.159456][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.159456][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.159456][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.159456][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.159456][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.159456][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.159456][ T10] [ 2959.161760][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2959.161760][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.161760][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.161760][ T10] ipv6_find_idev+0x102/0x170 [ 2959.161760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.161760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.161760][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.161760][ T10] netlink_unicast+0x449/0x710 [ 2959.161760][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.161760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.161760][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.161760][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.161760][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.161760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.161760][ T10] [ 2959.165022][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2959.165458][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2959.165458][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.165458][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.165458][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.165458][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.165458][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.165458][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.165458][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.165458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.165458][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.165458][ T10] netlink_unicast+0x449/0x710 [ 2959.165458][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.165458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.165458][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.165458][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.165458][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.165458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.165458][ T10] [ 2959.168406][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2959.168406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.168406][ T10] ipv6_find_idev+0x102/0x170 [ 2959.168406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.168406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.168406][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.168406][ T10] netlink_unicast+0x449/0x710 [ 2959.168406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.168406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.168406][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.168406][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.168406][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.168406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.168406][ T10] [ 2959.170841][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2959.170841][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.170841][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.170841][ T10] ipv6_find_idev+0x102/0x170 [ 2959.170841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.170841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.170841][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.170841][ T10] netlink_unicast+0x449/0x710 [ 2959.170841][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.170841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.170841][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.170841][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.170841][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.170841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.170841][ T10] [ 2959.173555][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2959.174079][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2959.174079][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.174079][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.174079][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.174079][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.174079][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.174079][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.174079][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.174079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.174079][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.174079][ T10] netlink_unicast+0x449/0x710 [ 2959.174079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.174079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.174079][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.174079][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.174079][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.174079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.174079][ T10] [ 2959.177208][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2959.177208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.177208][ T10] ipv6_find_idev+0x102/0x170 [ 2959.177208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.177208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.177208][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.177208][ T10] netlink_unicast+0x449/0x710 [ 2959.177208][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.177208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.177208][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.177208][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.177208][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.177208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.177208][ T10] [ 2959.179199][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2959.179199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.179199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.179199][ T10] ipv6_find_idev+0x102/0x170 [ 2959.179199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.179199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.179199][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.179199][ T10] netlink_unicast+0x449/0x710 [ 2959.179199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.179199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.179199][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.179199][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.179199][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.179199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.179199][ T10] [ 2959.180928][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2959.181191][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2959.181191][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.181191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.181191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.181191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.181191][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.181191][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.181191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.181191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.181191][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.181191][ T10] netlink_unicast+0x449/0x710 [ 2959.181191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.181191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.181191][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.181191][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.181191][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.181191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.181191][ T10] [ 2959.183238][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2959.183238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.183238][ T10] ipv6_find_idev+0x102/0x170 [ 2959.183238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.183238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.183238][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.183238][ T10] netlink_unicast+0x449/0x710 [ 2959.183238][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.183238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.183238][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.183238][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.183238][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.183238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.183238][ T10] [ 2959.184945][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2959.184945][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.184945][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.184945][ T10] ipv6_find_idev+0x102/0x170 [ 2959.184945][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.184945][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.184945][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.184945][ T10] netlink_unicast+0x449/0x710 [ 2959.184945][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.184945][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.184945][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.184945][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.184945][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.184945][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.184945][ T10] [ 2959.186898][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2959.187164][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2959.187164][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.187164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.187164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.187164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.187164][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.187164][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.187164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.187164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.187164][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.187164][ T10] netlink_unicast+0x449/0x710 [ 2959.187164][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.187164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.187164][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.187164][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.187164][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.187164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.187164][ T10] [ 2959.189597][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2959.189597][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.189597][ T10] ipv6_find_idev+0x102/0x170 [ 2959.189597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.189597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.189597][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.189597][ T10] netlink_unicast+0x449/0x710 [ 2959.189597][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.189597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.189597][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.189597][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.189597][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.189597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.189597][ T10] [ 2959.191302][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2959.191302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.191302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.191302][ T10] ipv6_find_idev+0x102/0x170 [ 2959.191302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.191302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.191302][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.191302][ T10] netlink_unicast+0x449/0x710 [ 2959.191302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.191302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.191302][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.191302][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.191302][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.191302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.191302][ T10] [ 2959.193194][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2959.193510][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2959.193510][ T10] netdev_get_by_index+0x5e/0x80 [ 2959.193510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2959.193510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2959.193510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2959.193510][ T10] ipv6_add_addr+0x411/0x2000 [ 2959.193510][ T10] inet6_addr_add+0x30e/0xa40 [ 2959.193510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2959.193510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.193510][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.193510][ T10] netlink_unicast+0x449/0x710 [ 2959.193510][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.193510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.193510][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.193510][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.193510][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.193510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.193510][ T10] [ 2959.195673][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2959.195673][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2959.195673][ T10] ipv6_find_idev+0x102/0x170 [ 2959.195673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.195673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.195673][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.195673][ T10] netlink_unicast+0x449/0x710 [ 2959.195673][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.195673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.195673][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.195673][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.195673][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.195673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.195673][ T10] [ 2959.197432][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2959.197432][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2959.197432][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2959.197432][ T10] ipv6_find_idev+0x102/0x170 [ 2959.197432][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2959.197432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2959.197432][ T10] netlink_rcv_skb+0x130/0x360 [ 2959.197432][ T10] netlink_unicast+0x449/0x710 [ 2959.197432][ T10] netlink_sendmsg+0x723/0xbe0 [ 2959.197432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2959.197432][ T10] ___sys_sendmsg+0xee/0x170 [ 2959.197432][ T10] __sys_sendmsg+0xcd/0x170 [ 2959.197432][ T10] do_syscall_64+0xc6/0x1e0 [ 2959.197432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2959.197432][ T10] [ 2969.298938][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2969.299327][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2969.299327][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.299327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.299327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.299327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.299327][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.299327][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.299327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.299327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.299327][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.299327][ T10] netlink_unicast+0x449/0x710 [ 2969.299327][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.299327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.299327][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.299327][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.299327][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.299327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.299327][ T10] [ 2969.301291][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2969.301291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.301291][ T10] ipv6_find_idev+0x102/0x170 [ 2969.301291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.301291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.301291][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.301291][ T10] netlink_unicast+0x449/0x710 [ 2969.301291][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.301291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.301291][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.301291][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.301291][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.301291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.301291][ T10] [ 2969.302803][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2969.302803][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.302803][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.302803][ T10] ipv6_find_idev+0x102/0x170 [ 2969.302803][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.302803][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.302803][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.302803][ T10] netlink_unicast+0x449/0x710 [ 2969.302803][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.302803][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.302803][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.302803][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.302803][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.302803][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.302803][ T10] [ 2969.304455][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2969.304721][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2969.304721][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.304721][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.304721][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.304721][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.304721][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.304721][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.304721][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.304721][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.304721][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.304721][ T10] netlink_unicast+0x449/0x710 [ 2969.304721][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.304721][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.304721][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.304721][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.304721][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.304721][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.304721][ T10] [ 2969.306672][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2969.306672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.306672][ T10] ipv6_find_idev+0x102/0x170 [ 2969.306672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.306672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.306672][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.306672][ T10] netlink_unicast+0x449/0x710 [ 2969.306672][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.306672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.306672][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.306672][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.306672][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.306672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.306672][ T10] [ 2969.308172][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2969.308172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.308172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.308172][ T10] ipv6_find_idev+0x102/0x170 [ 2969.308172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.308172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.308172][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.308172][ T10] netlink_unicast+0x449/0x710 [ 2969.308172][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.308172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.308172][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.308172][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.308172][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.308172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.308172][ T10] [ 2969.309856][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2969.310118][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2969.310118][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.310118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.310118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.310118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.310118][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.310118][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.310118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.310118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.310118][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.310118][ T10] netlink_unicast+0x449/0x710 [ 2969.310118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.310118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.310118][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.310118][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.310118][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.310118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.310118][ T10] [ 2969.312072][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2969.312072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.312072][ T10] ipv6_find_idev+0x102/0x170 [ 2969.312072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.312072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.312072][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.312072][ T10] netlink_unicast+0x449/0x710 [ 2969.312072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.312072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.312072][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.312072][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.312072][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.312072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.312072][ T10] [ 2969.313576][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2969.313576][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.313576][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.313576][ T10] ipv6_find_idev+0x102/0x170 [ 2969.313576][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.313576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.313576][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.313576][ T10] netlink_unicast+0x449/0x710 [ 2969.313576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.313576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.313576][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.313576][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.313576][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.313576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.313576][ T10] [ 2969.316252][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2969.316712][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2969.316712][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.316712][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.316712][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.316712][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.316712][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.316712][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.316712][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.316712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.316712][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.316712][ T10] netlink_unicast+0x449/0x710 [ 2969.316712][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.316712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.316712][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.316712][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.316712][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.316712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.316712][ T10] [ 2969.320018][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2969.320018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.320018][ T10] ipv6_find_idev+0x102/0x170 [ 2969.320018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.320018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.320018][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.320018][ T10] netlink_unicast+0x449/0x710 [ 2969.320018][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.320018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.320018][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.320018][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.320018][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.320018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.320018][ T10] [ 2969.322540][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2969.322540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.322540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.322540][ T10] ipv6_find_idev+0x102/0x170 [ 2969.322540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.322540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.322540][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.322540][ T10] netlink_unicast+0x449/0x710 [ 2969.322540][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.322540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.322540][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.322540][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.322540][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.322540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.322540][ T10] [ 2969.326127][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2969.326578][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2969.326578][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.326578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.326578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.326578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.326578][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.326578][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.326578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.326578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.326578][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.326578][ T10] netlink_unicast+0x449/0x710 [ 2969.326578][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.326578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.326578][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.326578][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.326578][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.326578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.326578][ T10] [ 2969.329828][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2969.329828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.329828][ T10] ipv6_find_idev+0x102/0x170 [ 2969.329828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.329828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.329828][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.329828][ T10] netlink_unicast+0x449/0x710 [ 2969.329828][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.329828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.329828][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.329828][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.329828][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.329828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.329828][ T10] [ 2969.332338][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2969.332338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.332338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.332338][ T10] ipv6_find_idev+0x102/0x170 [ 2969.332338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.332338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.332338][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.332338][ T10] netlink_unicast+0x449/0x710 [ 2969.332338][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.332338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.332338][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.332338][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.332338][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.332338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.332338][ T10] [ 2969.334057][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2969.334318][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2969.334318][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.334318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.334318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.334318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.334318][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.334318][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.334318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.334318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.334318][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.334318][ T10] netlink_unicast+0x449/0x710 [ 2969.334318][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.334318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.334318][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.334318][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.334318][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.334318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.334318][ T10] [ 2969.336397][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2969.336397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.336397][ T10] ipv6_find_idev+0x102/0x170 [ 2969.336397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.336397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.336397][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.336397][ T10] netlink_unicast+0x449/0x710 [ 2969.336397][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.336397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.336397][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.336397][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.336397][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.336397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.336397][ T10] [ 2969.338146][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2969.338146][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.338146][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.338146][ T10] ipv6_find_idev+0x102/0x170 [ 2969.338146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.338146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.338146][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.338146][ T10] netlink_unicast+0x449/0x710 [ 2969.338146][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.338146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.338146][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.338146][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.338146][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.338146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.338146][ T10] [ 2969.340039][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2969.340296][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2969.340296][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.340296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.340296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.340296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.340296][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.340296][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.340296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.340296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.340296][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.340296][ T10] netlink_unicast+0x449/0x710 [ 2969.340296][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.340296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.340296][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.340296][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.340296][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.340296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.340296][ T10] [ 2969.342495][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2969.342495][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.342495][ T10] ipv6_find_idev+0x102/0x170 [ 2969.342495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.342495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.342495][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.342495][ T10] netlink_unicast+0x449/0x710 [ 2969.342495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.342495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.342495][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.342495][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.342495][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.342495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.342495][ T10] [ 2969.344181][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2969.344181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.344181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.344181][ T10] ipv6_find_idev+0x102/0x170 [ 2969.344181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.344181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.344181][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.344181][ T10] netlink_unicast+0x449/0x710 [ 2969.344181][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.344181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.344181][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.344181][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.344181][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.344181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.344181][ T10] [ 2969.346048][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2969.346304][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2969.346304][ T10] netdev_get_by_index+0x5e/0x80 [ 2969.346304][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2969.346304][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2969.346304][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2969.346304][ T10] ipv6_add_addr+0x411/0x2000 [ 2969.346304][ T10] inet6_addr_add+0x30e/0xa40 [ 2969.346304][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2969.346304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.346304][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.346304][ T10] netlink_unicast+0x449/0x710 [ 2969.346304][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.346304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.346304][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.346304][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.346304][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.346304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.346304][ T10] [ 2969.348573][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2969.348573][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2969.348573][ T10] ipv6_find_idev+0x102/0x170 [ 2969.348573][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.348573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.348573][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.348573][ T10] netlink_unicast+0x449/0x710 [ 2969.348573][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.348573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.348573][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.348573][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.348573][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.348573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.348573][ T10] [ 2969.350270][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2969.350270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2969.350270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2969.350270][ T10] ipv6_find_idev+0x102/0x170 [ 2969.350270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2969.350270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2969.350270][ T10] netlink_rcv_skb+0x130/0x360 [ 2969.350270][ T10] netlink_unicast+0x449/0x710 [ 2969.350270][ T10] netlink_sendmsg+0x723/0xbe0 [ 2969.350270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2969.350270][ T10] ___sys_sendmsg+0xee/0x170 [ 2969.350270][ T10] __sys_sendmsg+0xcd/0x170 [ 2969.350270][ T10] do_syscall_64+0xc6/0x1e0 [ 2969.350270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2969.350270][ T10] [ 2979.490929][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2979.491317][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2979.491317][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.491317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.491317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.491317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.491317][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.491317][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.491317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.491317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.491317][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.491317][ T10] netlink_unicast+0x449/0x710 [ 2979.491317][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.491317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.491317][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.491317][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.491317][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.491317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.491317][ T10] [ 2979.493280][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2979.493280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.493280][ T10] ipv6_find_idev+0x102/0x170 [ 2979.493280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.493280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.493280][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.493280][ T10] netlink_unicast+0x449/0x710 [ 2979.493280][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.493280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.493280][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.493280][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.493280][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.493280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.493280][ T10] [ 2979.494788][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2979.494788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.494788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.494788][ T10] ipv6_find_idev+0x102/0x170 [ 2979.494788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.494788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.494788][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.494788][ T10] netlink_unicast+0x449/0x710 [ 2979.494788][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.494788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.494788][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.494788][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.494788][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.494788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.494788][ T10] [ 2979.496449][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2979.496718][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2979.496718][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.496718][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.496718][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.496718][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.496718][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.496718][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.496718][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.496718][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.496718][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.496718][ T10] netlink_unicast+0x449/0x710 [ 2979.496718][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.496718][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.496718][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.496718][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.496718][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.496718][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.496718][ T10] [ 2979.498664][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2979.498664][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.498664][ T10] ipv6_find_idev+0x102/0x170 [ 2979.498664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.498664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.498664][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.498664][ T10] netlink_unicast+0x449/0x710 [ 2979.498664][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.498664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.498664][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.498664][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.498664][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.498664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.498664][ T10] [ 2979.500191][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2979.500191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.500191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.500191][ T10] ipv6_find_idev+0x102/0x170 [ 2979.500191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.500191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.500191][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.500191][ T10] netlink_unicast+0x449/0x710 [ 2979.500191][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.500191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.500191][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.500191][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.500191][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.500191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.500191][ T10] [ 2979.501859][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2979.502119][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2979.502119][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.502119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.502119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.502119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.502119][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.502119][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.502119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.502119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.502119][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.502119][ T10] netlink_unicast+0x449/0x710 [ 2979.502119][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.502119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.502119][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.502119][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.502119][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.502119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.502119][ T10] [ 2979.504070][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2979.504070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.504070][ T10] ipv6_find_idev+0x102/0x170 [ 2979.504070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.504070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.504070][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.504070][ T10] netlink_unicast+0x449/0x710 [ 2979.504070][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.504070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.504070][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.504070][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.504070][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.504070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.504070][ T10] [ 2979.505577][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2979.505577][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.505577][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.505577][ T10] ipv6_find_idev+0x102/0x170 [ 2979.505577][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.505577][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.505577][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.505577][ T10] netlink_unicast+0x449/0x710 [ 2979.505577][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.505577][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.505577][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.505577][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.505577][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.505577][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.505577][ T10] [ 2979.507228][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2979.507485][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2979.507485][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.507485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.507485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.507485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.507485][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.507485][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.507485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.507485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.507485][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.507485][ T10] netlink_unicast+0x449/0x710 [ 2979.507485][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.507485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.507485][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.507485][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.507485][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.507485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.507485][ T10] [ 2979.509441][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2979.509441][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.509441][ T10] ipv6_find_idev+0x102/0x170 [ 2979.509441][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.509441][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.509441][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.509441][ T10] netlink_unicast+0x449/0x710 [ 2979.509441][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.509441][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.509441][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.509441][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.509441][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.509441][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.509441][ T10] [ 2979.510940][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2979.510940][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.510940][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.510940][ T10] ipv6_find_idev+0x102/0x170 [ 2979.510940][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.510940][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.510940][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.510940][ T10] netlink_unicast+0x449/0x710 [ 2979.510940][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.510940][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.510940][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.510940][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.510940][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.510940][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.510940][ T10] [ 2979.513004][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2979.513264][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2979.513264][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.513264][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.513264][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.513264][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.513264][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.513264][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.513264][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.513264][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.513264][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.513264][ T10] netlink_unicast+0x449/0x710 [ 2979.513264][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.513264][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.513264][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.513264][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.513264][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.513264][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.513264][ T10] [ 2979.515209][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2979.515209][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.515209][ T10] ipv6_find_idev+0x102/0x170 [ 2979.515209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.515209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.515209][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.515209][ T10] netlink_unicast+0x449/0x710 [ 2979.515209][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.515209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.515209][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.515209][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.515209][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.515209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.515209][ T10] [ 2979.516713][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2979.516713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.516713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.516713][ T10] ipv6_find_idev+0x102/0x170 [ 2979.516713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.516713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.516713][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.516713][ T10] netlink_unicast+0x449/0x710 [ 2979.516713][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.516713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.516713][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.516713][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.516713][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.516713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.516713][ T10] [ 2979.518393][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2979.518660][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2979.518660][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.518660][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.518660][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.518660][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.518660][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.518660][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.518660][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.518660][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.518660][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.518660][ T10] netlink_unicast+0x449/0x710 [ 2979.518660][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.518660][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.518660][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.518660][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.518660][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.518660][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.518660][ T10] [ 2979.520744][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2979.520744][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.520744][ T10] ipv6_find_idev+0x102/0x170 [ 2979.520744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.520744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.520744][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.520744][ T10] netlink_unicast+0x449/0x710 [ 2979.520744][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.520744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.520744][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.520744][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.520744][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.520744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.520744][ T10] [ 2979.522491][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2979.522491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.522491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.522491][ T10] ipv6_find_idev+0x102/0x170 [ 2979.522491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.522491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.522491][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.522491][ T10] netlink_unicast+0x449/0x710 [ 2979.522491][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.522491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.522491][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.522491][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.522491][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.522491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.522491][ T10] [ 2979.524358][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2979.524614][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2979.524614][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.524614][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.524614][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.524614][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.524614][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.524614][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.524614][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.524614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.524614][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.524614][ T10] netlink_unicast+0x449/0x710 [ 2979.524614][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.524614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.524614][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.524614][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.524614][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.524614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.524614][ T10] [ 2979.526752][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2979.526752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.526752][ T10] ipv6_find_idev+0x102/0x170 [ 2979.526752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.526752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.526752][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.526752][ T10] netlink_unicast+0x449/0x710 [ 2979.526752][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.526752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.526752][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.526752][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.526752][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.526752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.526752][ T10] [ 2979.528436][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2979.528436][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.528436][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.528436][ T10] ipv6_find_idev+0x102/0x170 [ 2979.528436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.528436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.528436][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.528436][ T10] netlink_unicast+0x449/0x710 [ 2979.528436][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.528436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.528436][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.528436][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.528436][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.528436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.528436][ T10] [ 2979.530320][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2979.530576][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2979.530576][ T10] netdev_get_by_index+0x5e/0x80 [ 2979.530576][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2979.530576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2979.530576][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2979.530576][ T10] ipv6_add_addr+0x411/0x2000 [ 2979.530576][ T10] inet6_addr_add+0x30e/0xa40 [ 2979.530576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2979.530576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.530576][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.530576][ T10] netlink_unicast+0x449/0x710 [ 2979.530576][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.530576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.530576][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.530576][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.530576][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.530576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.530576][ T10] [ 2979.532838][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2979.532838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2979.532838][ T10] ipv6_find_idev+0x102/0x170 [ 2979.532838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.532838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.532838][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.532838][ T10] netlink_unicast+0x449/0x710 [ 2979.532838][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.532838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.532838][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.532838][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.532838][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.532838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.532838][ T10] [ 2979.534522][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2979.534522][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2979.534522][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2979.534522][ T10] ipv6_find_idev+0x102/0x170 [ 2979.534522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2979.534522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2979.534522][ T10] netlink_rcv_skb+0x130/0x360 [ 2979.534522][ T10] netlink_unicast+0x449/0x710 [ 2979.534522][ T10] netlink_sendmsg+0x723/0xbe0 [ 2979.534522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2979.534522][ T10] ___sys_sendmsg+0xee/0x170 [ 2979.534522][ T10] __sys_sendmsg+0xcd/0x170 [ 2979.534522][ T10] do_syscall_64+0xc6/0x1e0 [ 2979.534522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2979.534522][ T10] [ 2989.778927][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2989.779305][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2989.779305][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.779305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.779305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.779305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.779305][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.779305][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.779305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.779305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.779305][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.779305][ T10] netlink_unicast+0x449/0x710 [ 2989.779305][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.779305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.779305][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.779305][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.779305][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.779305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.779305][ T10] [ 2989.781279][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2989.781279][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.781279][ T10] ipv6_find_idev+0x102/0x170 [ 2989.781279][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.781279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.781279][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.781279][ T10] netlink_unicast+0x449/0x710 [ 2989.781279][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.781279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.781279][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.781279][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.781279][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.781279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.781279][ T10] [ 2989.782785][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2989.782785][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.782785][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.782785][ T10] ipv6_find_idev+0x102/0x170 [ 2989.782785][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.782785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.782785][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.782785][ T10] netlink_unicast+0x449/0x710 [ 2989.782785][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.782785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.782785][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.782785][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.782785][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.782785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.782785][ T10] [ 2989.784448][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2989.784717][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2989.784717][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.784717][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.784717][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.784717][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.784717][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.784717][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.784717][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.784717][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.784717][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.784717][ T10] netlink_unicast+0x449/0x710 [ 2989.784717][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.784717][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.784717][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.784717][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.784717][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.784717][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.784717][ T10] [ 2989.786679][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2989.786679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.786679][ T10] ipv6_find_idev+0x102/0x170 [ 2989.786679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.786679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.786679][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.786679][ T10] netlink_unicast+0x449/0x710 [ 2989.786679][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.786679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.786679][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.786679][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.786679][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.786679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.786679][ T10] [ 2989.788194][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2989.788194][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.788194][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.788194][ T10] ipv6_find_idev+0x102/0x170 [ 2989.788194][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.788194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.788194][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.788194][ T10] netlink_unicast+0x449/0x710 [ 2989.788194][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.788194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.788194][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.788194][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.788194][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.788194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.788194][ T10] [ 2989.789854][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2989.790118][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2989.790118][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.790118][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.790118][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.790118][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.790118][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.790118][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.790118][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.790118][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.790118][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.790118][ T10] netlink_unicast+0x449/0x710 [ 2989.790118][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.790118][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.790118][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.790118][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.790118][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.790118][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.790118][ T10] [ 2989.792072][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2989.792072][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.792072][ T10] ipv6_find_idev+0x102/0x170 [ 2989.792072][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.792072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.792072][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.792072][ T10] netlink_unicast+0x449/0x710 [ 2989.792072][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.792072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.792072][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.792072][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.792072][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.792072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.792072][ T10] [ 2989.793579][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2989.793579][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.793579][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.793579][ T10] ipv6_find_idev+0x102/0x170 [ 2989.793579][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.793579][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.793579][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.793579][ T10] netlink_unicast+0x449/0x710 [ 2989.793579][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.793579][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.793579][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.793579][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.793579][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.793579][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.793579][ T10] [ 2989.795240][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2989.795506][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2989.795506][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.795506][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.795506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.795506][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.795506][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.795506][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.795506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.795506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.795506][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.795506][ T10] netlink_unicast+0x449/0x710 [ 2989.795506][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.795506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.795506][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.795506][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.795506][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.795506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.795506][ T10] [ 2989.797461][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2989.797461][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.797461][ T10] ipv6_find_idev+0x102/0x170 [ 2989.797461][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.797461][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.797461][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.797461][ T10] netlink_unicast+0x449/0x710 [ 2989.797461][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.797461][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.797461][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.797461][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.797461][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.797461][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.797461][ T10] [ 2989.798977][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2989.798977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.798977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.798977][ T10] ipv6_find_idev+0x102/0x170 [ 2989.798977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.798977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.798977][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.798977][ T10] netlink_unicast+0x449/0x710 [ 2989.798977][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.798977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.798977][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.798977][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.798977][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.798977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.798977][ T10] [ 2989.800629][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2989.800955][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2989.800955][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.800955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.800955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.800955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.800955][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.800955][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.800955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.800955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.800955][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.800955][ T10] netlink_unicast+0x449/0x710 [ 2989.800955][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.800955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.800955][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.800955][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.800955][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.800955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.800955][ T10] [ 2989.802923][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2989.802923][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.802923][ T10] ipv6_find_idev+0x102/0x170 [ 2989.802923][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.802923][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.802923][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.802923][ T10] netlink_unicast+0x449/0x710 [ 2989.802923][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.802923][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.802923][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.802923][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.802923][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.802923][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.802923][ T10] [ 2989.804495][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2989.804495][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.804495][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.804495][ T10] ipv6_find_idev+0x102/0x170 [ 2989.804495][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.804495][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.804495][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.804495][ T10] netlink_unicast+0x449/0x710 [ 2989.804495][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.804495][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.804495][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.804495][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.804495][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.804495][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.804495][ T10] [ 2989.806421][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2989.806678][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2989.806678][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.806678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.806678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.806678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.806678][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.806678][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.806678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.806678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.806678][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.806678][ T10] netlink_unicast+0x449/0x710 [ 2989.806678][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.806678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.806678][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.806678][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.806678][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.806678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.806678][ T10] [ 2989.808882][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2989.808882][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.808882][ T10] ipv6_find_idev+0x102/0x170 [ 2989.808882][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.808882][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.808882][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.808882][ T10] netlink_unicast+0x449/0x710 [ 2989.808882][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.808882][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.808882][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.808882][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.808882][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.808882][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.808882][ T10] [ 2989.810607][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2989.810607][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.810607][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.810607][ T10] ipv6_find_idev+0x102/0x170 [ 2989.810607][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.810607][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.810607][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.810607][ T10] netlink_unicast+0x449/0x710 [ 2989.810607][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.810607][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.810607][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.810607][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.810607][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.810607][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.810607][ T10] [ 2989.812474][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2989.812735][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2989.812735][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.812735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.812735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.812735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.812735][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.812735][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.812735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.812735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.812735][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.812735][ T10] netlink_unicast+0x449/0x710 [ 2989.812735][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.812735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.812735][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.812735][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.812735][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.812735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.812735][ T10] [ 2989.814937][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2989.814937][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.814937][ T10] ipv6_find_idev+0x102/0x170 [ 2989.814937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.814937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.814937][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.814937][ T10] netlink_unicast+0x449/0x710 [ 2989.814937][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.814937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.814937][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.814937][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.814937][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.814937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.814937][ T10] [ 2989.816618][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2989.816618][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.816618][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.816618][ T10] ipv6_find_idev+0x102/0x170 [ 2989.816618][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.816618][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.816618][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.816618][ T10] netlink_unicast+0x449/0x710 [ 2989.816618][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.816618][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.816618][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.816618][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.816618][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.816618][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.816618][ T10] [ 2989.818543][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2989.818802][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2989.818802][ T10] netdev_get_by_index+0x5e/0x80 [ 2989.818802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2989.818802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2989.818802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2989.818802][ T10] ipv6_add_addr+0x411/0x2000 [ 2989.818802][ T10] inet6_addr_add+0x30e/0xa40 [ 2989.818802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2989.818802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.818802][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.818802][ T10] netlink_unicast+0x449/0x710 [ 2989.818802][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.818802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.818802][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.818802][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.818802][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.818802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.818802][ T10] [ 2989.820979][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2989.820979][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2989.820979][ T10] ipv6_find_idev+0x102/0x170 [ 2989.820979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.820979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.820979][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.820979][ T10] netlink_unicast+0x449/0x710 [ 2989.820979][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.820979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.820979][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.820979][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.820979][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.820979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.820979][ T10] [ 2989.822675][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2989.822675][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2989.822675][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2989.822675][ T10] ipv6_find_idev+0x102/0x170 [ 2989.822675][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2989.822675][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2989.822675][ T10] netlink_rcv_skb+0x130/0x360 [ 2989.822675][ T10] netlink_unicast+0x449/0x710 [ 2989.822675][ T10] netlink_sendmsg+0x723/0xbe0 [ 2989.822675][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2989.822675][ T10] ___sys_sendmsg+0xee/0x170 [ 2989.822675][ T10] __sys_sendmsg+0xcd/0x170 [ 2989.822675][ T10] do_syscall_64+0xc6/0x1e0 [ 2989.822675][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2989.822675][ T10] [ 2999.890989][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 2999.891383][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2999.891383][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.891383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.891383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.891383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.891383][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.891383][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.891383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.891383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.891383][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.891383][ T10] netlink_unicast+0x449/0x710 [ 2999.891383][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.891383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.891383][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.891383][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.891383][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.891383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.891383][ T10] [ 2999.893362][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2999.893362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.893362][ T10] ipv6_find_idev+0x102/0x170 [ 2999.893362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.893362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.893362][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.893362][ T10] netlink_unicast+0x449/0x710 [ 2999.893362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.893362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.893362][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.893362][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.893362][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.893362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.893362][ T10] [ 2999.894876][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 2999.894876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.894876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.894876][ T10] ipv6_find_idev+0x102/0x170 [ 2999.894876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.894876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.894876][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.894876][ T10] netlink_unicast+0x449/0x710 [ 2999.894876][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.894876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.894876][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.894876][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.894876][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.894876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.894876][ T10] [ 2999.896535][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 2999.896808][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2999.896808][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.896808][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.896808][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.896808][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.896808][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.896808][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.896808][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.896808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.896808][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.896808][ T10] netlink_unicast+0x449/0x710 [ 2999.896808][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.896808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.896808][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.896808][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.896808][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.896808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.896808][ T10] [ 2999.898769][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2999.898769][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.898769][ T10] ipv6_find_idev+0x102/0x170 [ 2999.898769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.898769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.898769][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.898769][ T10] netlink_unicast+0x449/0x710 [ 2999.898769][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.898769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.898769][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.898769][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.898769][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.898769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.898769][ T10] [ 2999.900302][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 2999.900302][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.900302][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.900302][ T10] ipv6_find_idev+0x102/0x170 [ 2999.900302][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.900302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.900302][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.900302][ T10] netlink_unicast+0x449/0x710 [ 2999.900302][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.900302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.900302][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.900302][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.900302][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.900302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.900302][ T10] [ 2999.901968][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 2999.902242][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2999.902242][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.902242][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.902242][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.902242][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.902242][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.902242][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.902242][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.902242][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.902242][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.902242][ T10] netlink_unicast+0x449/0x710 [ 2999.902242][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.902242][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.902242][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.902242][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.902242][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.902242][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.902242][ T10] [ 2999.904199][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2999.904199][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.904199][ T10] ipv6_find_idev+0x102/0x170 [ 2999.904199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.904199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.904199][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.904199][ T10] netlink_unicast+0x449/0x710 [ 2999.904199][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.904199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.904199][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.904199][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.904199][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.904199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.904199][ T10] [ 2999.905703][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 2999.905703][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.905703][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.905703][ T10] ipv6_find_idev+0x102/0x170 [ 2999.905703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.905703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.905703][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.905703][ T10] netlink_unicast+0x449/0x710 [ 2999.905703][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.905703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.905703][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.905703][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.905703][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.905703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.905703][ T10] [ 2999.907347][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 2999.907610][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2999.907610][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.907610][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.907610][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.907610][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.907610][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.907610][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.907610][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.907610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.907610][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.907610][ T10] netlink_unicast+0x449/0x710 [ 2999.907610][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.907610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.907610][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.907610][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.907610][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.907610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.907610][ T10] [ 2999.909569][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2999.909569][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.909569][ T10] ipv6_find_idev+0x102/0x170 [ 2999.909569][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.909569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.909569][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.909569][ T10] netlink_unicast+0x449/0x710 [ 2999.909569][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.909569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.909569][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.909569][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.909569][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.909569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.909569][ T10] [ 2999.911079][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 2999.911079][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.911079][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.911079][ T10] ipv6_find_idev+0x102/0x170 [ 2999.911079][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.911079][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.911079][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.911079][ T10] netlink_unicast+0x449/0x710 [ 2999.911079][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.911079][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.911079][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.911079][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.911079][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.911079][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.911079][ T10] [ 2999.913135][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 2999.913406][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2999.913406][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.913406][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.913406][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.913406][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.913406][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.913406][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.913406][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.913406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.913406][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.913406][ T10] netlink_unicast+0x449/0x710 [ 2999.913406][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.913406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.913406][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.913406][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.913406][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.913406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.913406][ T10] [ 2999.915361][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2999.915361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.915361][ T10] ipv6_find_idev+0x102/0x170 [ 2999.915361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.915361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.915361][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.915361][ T10] netlink_unicast+0x449/0x710 [ 2999.915361][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.915361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.915361][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.915361][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.915361][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.915361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.915361][ T10] [ 2999.916916][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 2999.916916][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.916916][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.916916][ T10] ipv6_find_idev+0x102/0x170 [ 2999.916916][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.916916][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.916916][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.916916][ T10] netlink_unicast+0x449/0x710 [ 2999.916916][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.916916][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.916916][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.916916][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.916916][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.916916][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.916916][ T10] [ 2999.918619][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 2999.918961][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2999.918961][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.918961][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.918961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.918961][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.918961][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.918961][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.918961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.918961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.918961][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.918961][ T10] netlink_unicast+0x449/0x710 [ 2999.918961][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.918961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.918961][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.918961][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.918961][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.918961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.918961][ T10] [ 2999.920988][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2999.920988][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.920988][ T10] ipv6_find_idev+0x102/0x170 [ 2999.920988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.920988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.920988][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.920988][ T10] netlink_unicast+0x449/0x710 [ 2999.920988][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.920988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.920988][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.920988][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.920988][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.920988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.920988][ T10] [ 2999.922740][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 2999.922740][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.922740][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.922740][ T10] ipv6_find_idev+0x102/0x170 [ 2999.922740][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.922740][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.922740][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.922740][ T10] netlink_unicast+0x449/0x710 [ 2999.922740][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.922740][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.922740][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.922740][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.922740][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.922740][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.922740][ T10] [ 2999.924609][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 2999.924869][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2999.924869][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.924869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.924869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.924869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.924869][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.924869][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.924869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.924869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.924869][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.924869][ T10] netlink_unicast+0x449/0x710 [ 2999.924869][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.924869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.924869][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.924869][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.924869][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.924869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.924869][ T10] [ 2999.927080][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2999.927080][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.927080][ T10] ipv6_find_idev+0x102/0x170 [ 2999.927080][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.927080][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.927080][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.927080][ T10] netlink_unicast+0x449/0x710 [ 2999.927080][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.927080][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.927080][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.927080][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.927080][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.927080][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.927080][ T10] [ 2999.928768][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 2999.928768][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.928768][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.928768][ T10] ipv6_find_idev+0x102/0x170 [ 2999.928768][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.928768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.928768][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.928768][ T10] netlink_unicast+0x449/0x710 [ 2999.928768][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.928768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.928768][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.928768][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.928768][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.928768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.928768][ T10] [ 2999.930649][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 2999.930967][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2999.930967][ T10] netdev_get_by_index+0x5e/0x80 [ 2999.930967][ T10] fib6_nh_init+0x3d8/0x15b0 [ 2999.930967][ T10] ip6_route_info_create+0xf18/0x17d0 [ 2999.930967][ T10] addrconf_f6i_alloc+0x244/0x410 [ 2999.930967][ T10] ipv6_add_addr+0x411/0x2000 [ 2999.930967][ T10] inet6_addr_add+0x30e/0xa40 [ 2999.930967][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 2999.930967][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.930967][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.930967][ T10] netlink_unicast+0x449/0x710 [ 2999.930967][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.930967][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.930967][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.930967][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.930967][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.930967][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.930967][ T10] [ 2999.933175][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2999.933175][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 2999.933175][ T10] ipv6_find_idev+0x102/0x170 [ 2999.933175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.933175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.933175][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.933175][ T10] netlink_unicast+0x449/0x710 [ 2999.933175][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.933175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.933175][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.933175][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.933175][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.933175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.933175][ T10] [ 2999.935362][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 2999.935362][ T10] neigh_parms_alloc+0x1e5/0x510 [ 2999.935362][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 2999.935362][ T10] ipv6_find_idev+0x102/0x170 [ 2999.935362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 2999.935362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2999.935362][ T10] netlink_rcv_skb+0x130/0x360 [ 2999.935362][ T10] netlink_unicast+0x449/0x710 [ 2999.935362][ T10] netlink_sendmsg+0x723/0xbe0 [ 2999.935362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 2999.935362][ T10] ___sys_sendmsg+0xee/0x170 [ 2999.935362][ T10] __sys_sendmsg+0xcd/0x170 [ 2999.935362][ T10] do_syscall_64+0xc6/0x1e0 [ 2999.935362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2999.935362][ T10] [ 3010.179010][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3010.179393][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3010.179393][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.179393][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.179393][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.179393][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.179393][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.179393][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.179393][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.179393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.179393][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.179393][ T10] netlink_unicast+0x449/0x710 [ 3010.179393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.179393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.179393][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.179393][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.179393][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.179393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.179393][ T10] [ 3010.181793][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3010.181793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.181793][ T10] ipv6_find_idev+0x102/0x170 [ 3010.181793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.181793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.181793][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.181793][ T10] netlink_unicast+0x449/0x710 [ 3010.181793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.181793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.181793][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.181793][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.181793][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.181793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.181793][ T10] [ 3010.183304][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3010.183304][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.183304][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.183304][ T10] ipv6_find_idev+0x102/0x170 [ 3010.183304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.183304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.183304][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.183304][ T10] netlink_unicast+0x449/0x710 [ 3010.183304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.183304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.183304][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.183304][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.183304][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.183304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.183304][ T10] [ 3010.184961][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3010.185234][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3010.185234][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.185234][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.185234][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.185234][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.185234][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.185234][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.185234][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.185234][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.185234][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.185234][ T10] netlink_unicast+0x449/0x710 [ 3010.185234][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.185234][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.185234][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.185234][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.185234][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.185234][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.185234][ T10] [ 3010.187182][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3010.187182][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.187182][ T10] ipv6_find_idev+0x102/0x170 [ 3010.187182][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.187182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.187182][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.187182][ T10] netlink_unicast+0x449/0x710 [ 3010.187182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.187182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.187182][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.187182][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.187182][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.187182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.187182][ T10] [ 3010.188688][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3010.188688][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.188688][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.188688][ T10] ipv6_find_idev+0x102/0x170 [ 3010.188688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.188688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.188688][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.188688][ T10] netlink_unicast+0x449/0x710 [ 3010.188688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.188688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.188688][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.188688][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.188688][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.188688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.188688][ T10] [ 3010.190345][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3010.190611][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3010.190611][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.190611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.190611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.190611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.190611][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.190611][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.190611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.190611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.190611][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.190611][ T10] netlink_unicast+0x449/0x710 [ 3010.190611][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.190611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.190611][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.190611][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.190611][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.190611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.190611][ T10] [ 3010.192563][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3010.192563][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.192563][ T10] ipv6_find_idev+0x102/0x170 [ 3010.192563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.192563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.192563][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.192563][ T10] netlink_unicast+0x449/0x710 [ 3010.192563][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.192563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.192563][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.192563][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.192563][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.192563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.192563][ T10] [ 3010.194067][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3010.194067][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.194067][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.194067][ T10] ipv6_find_idev+0x102/0x170 [ 3010.194067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.194067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.194067][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.194067][ T10] netlink_unicast+0x449/0x710 [ 3010.194067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.194067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.194067][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.194067][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.194067][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.194067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.194067][ T10] [ 3010.195716][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3010.196046][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3010.196046][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.196046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.196046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.196046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.196046][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.196046][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.196046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.196046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.196046][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.196046][ T10] netlink_unicast+0x449/0x710 [ 3010.196046][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.196046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.196046][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.196046][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.196046][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.196046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.196046][ T10] [ 3010.198864][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3010.198864][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.198864][ T10] ipv6_find_idev+0x102/0x170 [ 3010.198864][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.198864][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.198864][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.198864][ T10] netlink_unicast+0x449/0x710 [ 3010.198864][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.198864][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.198864][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.198864][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.198864][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.198864][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.198864][ T10] [ 3010.200371][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3010.200371][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.200371][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.200371][ T10] ipv6_find_idev+0x102/0x170 [ 3010.200371][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.200371][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.200371][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.200371][ T10] netlink_unicast+0x449/0x710 [ 3010.200371][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.200371][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.200371][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.200371][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.200371][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.200371][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.200371][ T10] [ 3010.202057][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3010.202318][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3010.202318][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.202318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.202318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.202318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.202318][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.202318][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.202318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.202318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.202318][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.202318][ T10] netlink_unicast+0x449/0x710 [ 3010.202318][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.202318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.202318][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.202318][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.202318][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.202318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.202318][ T10] [ 3010.204266][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3010.204266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.204266][ T10] ipv6_find_idev+0x102/0x170 [ 3010.204266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.204266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.204266][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.204266][ T10] netlink_unicast+0x449/0x710 [ 3010.204266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.204266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.204266][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.204266][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.204266][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.204266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.204266][ T10] [ 3010.206150][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3010.206150][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.206150][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.206150][ T10] ipv6_find_idev+0x102/0x170 [ 3010.206150][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.206150][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.206150][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.206150][ T10] netlink_unicast+0x449/0x710 [ 3010.206150][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.206150][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.206150][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.206150][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.206150][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.206150][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.206150][ T10] [ 3010.208032][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3010.208291][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3010.208291][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.208291][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.208291][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.208291][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.208291][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.208291][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.208291][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.208291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.208291][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.208291][ T10] netlink_unicast+0x449/0x710 [ 3010.208291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.208291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.208291][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.208291][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.208291][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.208291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.208291][ T10] [ 3010.210557][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3010.210557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.210557][ T10] ipv6_find_idev+0x102/0x170 [ 3010.210557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.210557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.210557][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.210557][ T10] netlink_unicast+0x449/0x710 [ 3010.210557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.210557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.210557][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.210557][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.210557][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.210557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.210557][ T10] [ 3010.212239][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3010.212239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.212239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.212239][ T10] ipv6_find_idev+0x102/0x170 [ 3010.212239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.212239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.212239][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.212239][ T10] netlink_unicast+0x449/0x710 [ 3010.212239][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.212239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.212239][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.212239][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.212239][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.212239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.212239][ T10] [ 3010.214058][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3010.214318][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3010.214318][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.214318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.214318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.214318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.214318][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.214318][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.214318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.214318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.214318][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.214318][ T10] netlink_unicast+0x449/0x710 [ 3010.214318][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.214318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.214318][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.214318][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.214318][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.214318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.214318][ T10] [ 3010.216511][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3010.216511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.216511][ T10] ipv6_find_idev+0x102/0x170 [ 3010.216511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.216511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.216511][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.216511][ T10] netlink_unicast+0x449/0x710 [ 3010.216511][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.216511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.216511][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.216511][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.216511][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.216511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.216511][ T10] [ 3010.218488][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3010.218488][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.218488][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.218488][ T10] ipv6_find_idev+0x102/0x170 [ 3010.218488][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.218488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.218488][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.218488][ T10] netlink_unicast+0x449/0x710 [ 3010.218488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.218488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.218488][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.218488][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.218488][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.218488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.218488][ T10] [ 3010.220479][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3010.220744][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3010.220744][ T10] netdev_get_by_index+0x5e/0x80 [ 3010.220744][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3010.220744][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3010.220744][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3010.220744][ T10] ipv6_add_addr+0x411/0x2000 [ 3010.220744][ T10] inet6_addr_add+0x30e/0xa40 [ 3010.220744][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3010.220744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.220744][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.220744][ T10] netlink_unicast+0x449/0x710 [ 3010.220744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.220744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.220744][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.220744][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.220744][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.220744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.220744][ T10] [ 3010.222875][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3010.222875][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3010.222875][ T10] ipv6_find_idev+0x102/0x170 [ 3010.222875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.222875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.222875][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.222875][ T10] netlink_unicast+0x449/0x710 [ 3010.222875][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.222875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.222875][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.222875][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.222875][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.222875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.222875][ T10] [ 3010.224557][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3010.224557][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3010.224557][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3010.224557][ T10] ipv6_find_idev+0x102/0x170 [ 3010.224557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3010.224557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3010.224557][ T10] netlink_rcv_skb+0x130/0x360 [ 3010.224557][ T10] netlink_unicast+0x449/0x710 [ 3010.224557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3010.224557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3010.224557][ T10] ___sys_sendmsg+0xee/0x170 [ 3010.224557][ T10] __sys_sendmsg+0xcd/0x170 [ 3010.224557][ T10] do_syscall_64+0xc6/0x1e0 [ 3010.224557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3010.224557][ T10] [ 3020.314949][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3020.315345][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3020.315345][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.315345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.315345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.315345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.315345][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.315345][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.315345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.315345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.315345][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.315345][ T10] netlink_unicast+0x449/0x710 [ 3020.315345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.315345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.315345][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.315345][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.315345][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.315345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.315345][ T10] [ 3020.317358][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3020.317358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.317358][ T10] ipv6_find_idev+0x102/0x170 [ 3020.317358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.317358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.317358][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.317358][ T10] netlink_unicast+0x449/0x710 [ 3020.317358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.317358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.317358][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.317358][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.317358][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.317358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.317358][ T10] [ 3020.318895][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3020.318895][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.318895][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.318895][ T10] ipv6_find_idev+0x102/0x170 [ 3020.318895][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.318895][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.318895][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.318895][ T10] netlink_unicast+0x449/0x710 [ 3020.318895][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.318895][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.318895][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.318895][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.318895][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.318895][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.318895][ T10] [ 3020.320927][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3020.321190][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3020.321190][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.321190][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.321190][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.321190][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.321190][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.321190][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.321190][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.321190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.321190][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.321190][ T10] netlink_unicast+0x449/0x710 [ 3020.321190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.321190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.321190][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.321190][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.321190][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.321190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.321190][ T10] [ 3020.323139][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3020.323139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.323139][ T10] ipv6_find_idev+0x102/0x170 [ 3020.323139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.323139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.323139][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.323139][ T10] netlink_unicast+0x449/0x710 [ 3020.323139][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.323139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.323139][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.323139][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.323139][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.323139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.323139][ T10] [ 3020.324644][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3020.324644][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.324644][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.324644][ T10] ipv6_find_idev+0x102/0x170 [ 3020.324644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.324644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.324644][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.324644][ T10] netlink_unicast+0x449/0x710 [ 3020.324644][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.324644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.324644][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.324644][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.324644][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.324644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.324644][ T10] [ 3020.326296][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3020.326555][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3020.326555][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.326555][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.326555][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.326555][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.326555][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.326555][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.326555][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.326555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.326555][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.326555][ T10] netlink_unicast+0x449/0x710 [ 3020.326555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.326555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.326555][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.326555][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.326555][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.326555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.326555][ T10] [ 3020.328499][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3020.328499][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.328499][ T10] ipv6_find_idev+0x102/0x170 [ 3020.328499][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.328499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.328499][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.328499][ T10] netlink_unicast+0x449/0x710 [ 3020.328499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.328499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.328499][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.328499][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.328499][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.328499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.328499][ T10] [ 3020.330016][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3020.330016][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.330016][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.330016][ T10] ipv6_find_idev+0x102/0x170 [ 3020.330016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.330016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.330016][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.330016][ T10] netlink_unicast+0x449/0x710 [ 3020.330016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.330016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.330016][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.330016][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.330016][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.330016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.330016][ T10] [ 3020.331658][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3020.332352][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3020.332352][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.332352][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.332352][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.332352][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.332352][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.332352][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.332352][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.332352][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.332352][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.332352][ T10] netlink_unicast+0x449/0x710 [ 3020.332352][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.332352][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.332352][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.332352][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.332352][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.332352][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.332352][ T10] [ 3020.334303][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3020.334303][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.334303][ T10] ipv6_find_idev+0x102/0x170 [ 3020.334303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.334303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.334303][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.334303][ T10] netlink_unicast+0x449/0x710 [ 3020.334303][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.334303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.334303][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.334303][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.334303][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.334303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.334303][ T10] [ 3020.335800][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3020.335800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.335800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.335800][ T10] ipv6_find_idev+0x102/0x170 [ 3020.335800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.335800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.335800][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.335800][ T10] netlink_unicast+0x449/0x710 [ 3020.335800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.335800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.335800][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.335800][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.335800][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.335800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.335800][ T10] [ 3020.337481][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3020.337739][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3020.337739][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.337739][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.337739][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.337739][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.337739][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.337739][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.337739][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.337739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.337739][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.337739][ T10] netlink_unicast+0x449/0x710 [ 3020.337739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.337739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.337739][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.337739][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.337739][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.337739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.337739][ T10] [ 3020.339696][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3020.339696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.339696][ T10] ipv6_find_idev+0x102/0x170 [ 3020.339696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.339696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.339696][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.339696][ T10] netlink_unicast+0x449/0x710 [ 3020.339696][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.339696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.339696][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.339696][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.339696][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.339696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.339696][ T10] [ 3020.341199][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3020.341199][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.341199][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.341199][ T10] ipv6_find_idev+0x102/0x170 [ 3020.341199][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.341199][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.341199][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.341199][ T10] netlink_unicast+0x449/0x710 [ 3020.341199][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.341199][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.341199][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.341199][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.341199][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.341199][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.341199][ T10] [ 3020.342894][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3020.343152][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3020.343152][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.343152][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.343152][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.343152][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.343152][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.343152][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.343152][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.343152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.343152][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.343152][ T10] netlink_unicast+0x449/0x710 [ 3020.343152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.343152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.343152][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.343152][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.343152][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.343152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.343152][ T10] [ 3020.345192][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3020.345192][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.345192][ T10] ipv6_find_idev+0x102/0x170 [ 3020.345192][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.345192][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.345192][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.345192][ T10] netlink_unicast+0x449/0x710 [ 3020.345192][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.345192][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.345192][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.345192][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.345192][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.345192][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.345192][ T10] [ 3020.346933][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3020.346933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.346933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.346933][ T10] ipv6_find_idev+0x102/0x170 [ 3020.346933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.346933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.346933][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.346933][ T10] netlink_unicast+0x449/0x710 [ 3020.346933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.346933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.346933][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.346933][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.346933][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.346933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.346933][ T10] [ 3020.348882][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3020.349141][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3020.349141][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.349141][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.349141][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.349141][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.349141][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.349141][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.349141][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.349141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.349141][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.349141][ T10] netlink_unicast+0x449/0x710 [ 3020.349141][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.349141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.349141][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.349141][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.349141][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.349141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.349141][ T10] [ 3020.351266][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3020.351266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.351266][ T10] ipv6_find_idev+0x102/0x170 [ 3020.351266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.351266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.351266][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.351266][ T10] netlink_unicast+0x449/0x710 [ 3020.351266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.351266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.351266][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.351266][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.351266][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.351266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.351266][ T10] [ 3020.352944][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3020.352944][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.352944][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.352944][ T10] ipv6_find_idev+0x102/0x170 [ 3020.352944][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.352944][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.352944][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.352944][ T10] netlink_unicast+0x449/0x710 [ 3020.352944][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.352944][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.352944][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.352944][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.352944][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.352944][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.352944][ T10] [ 3020.354877][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3020.355134][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3020.355134][ T10] netdev_get_by_index+0x5e/0x80 [ 3020.355134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3020.355134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3020.355134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3020.355134][ T10] ipv6_add_addr+0x411/0x2000 [ 3020.355134][ T10] inet6_addr_add+0x30e/0xa40 [ 3020.355134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3020.355134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.355134][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.355134][ T10] netlink_unicast+0x449/0x710 [ 3020.355134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.355134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.355134][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.355134][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.355134][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.355134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.355134][ T10] [ 3020.357317][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3020.357317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3020.357317][ T10] ipv6_find_idev+0x102/0x170 [ 3020.357317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.357317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.357317][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.357317][ T10] netlink_unicast+0x449/0x710 [ 3020.357317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.357317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.357317][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.357317][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.357317][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.357317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.357317][ T10] [ 3020.359006][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3020.359006][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3020.359006][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3020.359006][ T10] ipv6_find_idev+0x102/0x170 [ 3020.359006][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3020.359006][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3020.359006][ T10] netlink_rcv_skb+0x130/0x360 [ 3020.359006][ T10] netlink_unicast+0x449/0x710 [ 3020.359006][ T10] netlink_sendmsg+0x723/0xbe0 [ 3020.359006][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3020.359006][ T10] ___sys_sendmsg+0xee/0x170 [ 3020.359006][ T10] __sys_sendmsg+0xcd/0x170 [ 3020.359006][ T10] do_syscall_64+0xc6/0x1e0 [ 3020.359006][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3020.359006][ T10] [ 3030.610981][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3030.611442][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3030.611442][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.611442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.611442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.611442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.611442][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.611442][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.611442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.611442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.611442][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.611442][ T10] netlink_unicast+0x449/0x710 [ 3030.611442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.611442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.611442][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.611442][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.611442][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.611442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.611442][ T10] [ 3030.613453][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3030.613453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.613453][ T10] ipv6_find_idev+0x102/0x170 [ 3030.613453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.613453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.613453][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.613453][ T10] netlink_unicast+0x449/0x710 [ 3030.613453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.613453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.613453][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.613453][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.613453][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.613453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.613453][ T10] [ 3030.614988][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3030.614988][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.614988][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.614988][ T10] ipv6_find_idev+0x102/0x170 [ 3030.614988][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.614988][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.614988][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.614988][ T10] netlink_unicast+0x449/0x710 [ 3030.614988][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.614988][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.614988][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.614988][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.614988][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.614988][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.614988][ T10] [ 3030.616677][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3030.616970][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3030.616970][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.616970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.616970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.616970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.616970][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.616970][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.616970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.616970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.616970][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.616970][ T10] netlink_unicast+0x449/0x710 [ 3030.616970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.616970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.616970][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.616970][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.616970][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.616970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.616970][ T10] [ 3030.618973][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3030.618973][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.618973][ T10] ipv6_find_idev+0x102/0x170 [ 3030.618973][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.618973][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.618973][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.618973][ T10] netlink_unicast+0x449/0x710 [ 3030.618973][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.618973][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.618973][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.618973][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.618973][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.618973][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.618973][ T10] [ 3030.620519][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3030.620519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.620519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.620519][ T10] ipv6_find_idev+0x102/0x170 [ 3030.620519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.620519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.620519][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.620519][ T10] netlink_unicast+0x449/0x710 [ 3030.620519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.620519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.620519][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.620519][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.620519][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.620519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.620519][ T10] [ 3030.622196][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3030.622465][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3030.622465][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.622465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.622465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.622465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.622465][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.622465][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.622465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.622465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.622465][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.622465][ T10] netlink_unicast+0x449/0x710 [ 3030.622465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.622465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.622465][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.622465][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.622465][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.622465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.622465][ T10] [ 3030.624445][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3030.624445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.624445][ T10] ipv6_find_idev+0x102/0x170 [ 3030.624445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.624445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.624445][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.624445][ T10] netlink_unicast+0x449/0x710 [ 3030.624445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.624445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.624445][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.624445][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.624445][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.624445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.624445][ T10] [ 3030.625968][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3030.625968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.625968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.625968][ T10] ipv6_find_idev+0x102/0x170 [ 3030.625968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.625968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.625968][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.625968][ T10] netlink_unicast+0x449/0x710 [ 3030.625968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.625968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.625968][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.625968][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.625968][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.625968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.625968][ T10] [ 3030.627633][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3030.628327][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3030.628327][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.628327][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.628327][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.628327][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.628327][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.628327][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.628327][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.628327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.628327][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.628327][ T10] netlink_unicast+0x449/0x710 [ 3030.628327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.628327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.628327][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.628327][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.628327][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.628327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.628327][ T10] [ 3030.630297][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3030.630297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.630297][ T10] ipv6_find_idev+0x102/0x170 [ 3030.630297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.630297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.630297][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.630297][ T10] netlink_unicast+0x449/0x710 [ 3030.630297][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.630297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.630297][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.630297][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.630297][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.630297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.630297][ T10] [ 3030.631818][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3030.631818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.631818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.631818][ T10] ipv6_find_idev+0x102/0x170 [ 3030.631818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.631818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.631818][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.631818][ T10] netlink_unicast+0x449/0x710 [ 3030.631818][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.631818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.631818][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.631818][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.631818][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.631818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.631818][ T10] [ 3030.633630][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3030.633948][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3030.633948][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.633948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.633948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.633948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.633948][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.633948][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.633948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.633948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.633948][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.633948][ T10] netlink_unicast+0x449/0x710 [ 3030.633948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.633948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.633948][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.633948][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.633948][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.633948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.633948][ T10] [ 3030.635933][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3030.635933][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.635933][ T10] ipv6_find_idev+0x102/0x170 [ 3030.635933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.635933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.635933][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.635933][ T10] netlink_unicast+0x449/0x710 [ 3030.635933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.635933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.635933][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.635933][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.635933][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.635933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.635933][ T10] [ 3030.637462][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3030.637462][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.637462][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.637462][ T10] ipv6_find_idev+0x102/0x170 [ 3030.637462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.637462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.637462][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.637462][ T10] netlink_unicast+0x449/0x710 [ 3030.637462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.637462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.637462][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.637462][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.637462][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.637462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.637462][ T10] [ 3030.639185][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3030.639499][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3030.639499][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.639499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.639499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.639499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.639499][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.639499][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.639499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.639499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.639499][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.639499][ T10] netlink_unicast+0x449/0x710 [ 3030.639499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.639499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.639499][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.639499][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.639499][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.639499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.639499][ T10] [ 3030.641472][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3030.641472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.641472][ T10] ipv6_find_idev+0x102/0x170 [ 3030.641472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.641472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.641472][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.641472][ T10] netlink_unicast+0x449/0x710 [ 3030.641472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.641472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.641472][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.641472][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.641472][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.641472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.641472][ T10] [ 3030.643175][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3030.643175][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.643175][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.643175][ T10] ipv6_find_idev+0x102/0x170 [ 3030.643175][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.643175][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.643175][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.643175][ T10] netlink_unicast+0x449/0x710 [ 3030.643175][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.643175][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.643175][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.643175][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.643175][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.643175][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.643175][ T10] [ 3030.645218][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3030.645532][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3030.645532][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.645532][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.645532][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.645532][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.645532][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.645532][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.645532][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.645532][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.645532][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.645532][ T10] netlink_unicast+0x449/0x710 [ 3030.645532][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.645532][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.645532][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.645532][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.645532][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.645532][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.645532][ T10] [ 3030.647691][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3030.647691][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.647691][ T10] ipv6_find_idev+0x102/0x170 [ 3030.647691][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.647691][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.647691][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.647691][ T10] netlink_unicast+0x449/0x710 [ 3030.647691][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.647691][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.647691][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.647691][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.647691][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.647691][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.647691][ T10] [ 3030.649336][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3030.649336][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.649336][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.649336][ T10] ipv6_find_idev+0x102/0x170 [ 3030.649336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.649336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.649336][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.649336][ T10] netlink_unicast+0x449/0x710 [ 3030.649336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.649336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.649336][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.649336][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.649336][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.649336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.649336][ T10] [ 3030.651284][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3030.651589][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3030.651589][ T10] netdev_get_by_index+0x5e/0x80 [ 3030.651589][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3030.651589][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3030.651589][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3030.651589][ T10] ipv6_add_addr+0x411/0x2000 [ 3030.651589][ T10] inet6_addr_add+0x30e/0xa40 [ 3030.651589][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3030.651589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.651589][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.651589][ T10] netlink_unicast+0x449/0x710 [ 3030.651589][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.651589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.651589][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.651589][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.651589][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.651589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.651589][ T10] [ 3030.653750][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3030.653750][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3030.653750][ T10] ipv6_find_idev+0x102/0x170 [ 3030.653750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.653750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.653750][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.653750][ T10] netlink_unicast+0x449/0x710 [ 3030.653750][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.653750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.653750][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.653750][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.653750][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.653750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.653750][ T10] [ 3030.655519][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3030.655519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3030.655519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3030.655519][ T10] ipv6_find_idev+0x102/0x170 [ 3030.655519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3030.655519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3030.655519][ T10] netlink_rcv_skb+0x130/0x360 [ 3030.655519][ T10] netlink_unicast+0x449/0x710 [ 3030.655519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3030.655519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3030.655519][ T10] ___sys_sendmsg+0xee/0x170 [ 3030.655519][ T10] __sys_sendmsg+0xcd/0x170 [ 3030.655519][ T10] do_syscall_64+0xc6/0x1e0 [ 3030.655519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3030.655519][ T10] [ 3040.898916][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3040.899364][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3040.899364][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.899364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.899364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.899364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.899364][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.899364][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.899364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.899364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.899364][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.899364][ T10] netlink_unicast+0x449/0x710 [ 3040.899364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.899364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.899364][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.899364][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.899364][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.899364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.899364][ T10] [ 3040.901361][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3040.901361][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.901361][ T10] ipv6_find_idev+0x102/0x170 [ 3040.901361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.901361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.901361][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.901361][ T10] netlink_unicast+0x449/0x710 [ 3040.901361][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.901361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.901361][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.901361][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.901361][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.901361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.901361][ T10] [ 3040.902871][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3040.902871][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.902871][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.902871][ T10] ipv6_find_idev+0x102/0x170 [ 3040.902871][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.902871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.902871][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.902871][ T10] netlink_unicast+0x449/0x710 [ 3040.902871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.902871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.902871][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.902871][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.902871][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.902871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.902871][ T10] [ 3040.904531][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3040.904791][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3040.904791][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.904791][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.904791][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.904791][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.904791][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.904791][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.904791][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.904791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.904791][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.904791][ T10] netlink_unicast+0x449/0x710 [ 3040.904791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.904791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.904791][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.904791][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.904791][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.904791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.904791][ T10] [ 3040.906747][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3040.906747][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.906747][ T10] ipv6_find_idev+0x102/0x170 [ 3040.906747][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.906747][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.906747][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.906747][ T10] netlink_unicast+0x449/0x710 [ 3040.906747][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.906747][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.906747][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.906747][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.906747][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.906747][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.906747][ T10] [ 3040.908256][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3040.908256][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.908256][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.908256][ T10] ipv6_find_idev+0x102/0x170 [ 3040.908256][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.908256][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.908256][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.908256][ T10] netlink_unicast+0x449/0x710 [ 3040.908256][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.908256][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.908256][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.908256][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.908256][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.908256][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.908256][ T10] [ 3040.909916][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3040.910177][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3040.910177][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.910177][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.910177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.910177][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.910177][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.910177][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.910177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.910177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.910177][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.910177][ T10] netlink_unicast+0x449/0x710 [ 3040.910177][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.910177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.910177][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.910177][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.910177][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.910177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.910177][ T10] [ 3040.912122][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3040.912122][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.912122][ T10] ipv6_find_idev+0x102/0x170 [ 3040.912122][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.912122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.912122][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.912122][ T10] netlink_unicast+0x449/0x710 [ 3040.912122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.912122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.912122][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.912122][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.912122][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.912122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.912122][ T10] [ 3040.913633][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3040.913633][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.913633][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.913633][ T10] ipv6_find_idev+0x102/0x170 [ 3040.913633][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.913633][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.913633][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.913633][ T10] netlink_unicast+0x449/0x710 [ 3040.913633][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.913633][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.913633][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.913633][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.913633][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.913633][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.913633][ T10] [ 3040.915277][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3040.915543][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3040.915543][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.915543][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.915543][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.915543][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.915543][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.915543][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.915543][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.915543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.915543][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.915543][ T10] netlink_unicast+0x449/0x710 [ 3040.915543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.915543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.915543][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.915543][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.915543][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.915543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.915543][ T10] [ 3040.917491][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3040.917491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.917491][ T10] ipv6_find_idev+0x102/0x170 [ 3040.917491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.917491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.917491][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.917491][ T10] netlink_unicast+0x449/0x710 [ 3040.917491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.917491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.917491][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.917491][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.917491][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.917491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.917491][ T10] [ 3040.919010][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3040.919010][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.919010][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.919010][ T10] ipv6_find_idev+0x102/0x170 [ 3040.919010][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.919010][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.919010][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.919010][ T10] netlink_unicast+0x449/0x710 [ 3040.919010][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.919010][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.919010][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.919010][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.919010][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.919010][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.919010][ T10] [ 3040.921098][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3040.921365][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3040.921365][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.921365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.921365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.921365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.921365][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.921365][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.921365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.921365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.921365][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.921365][ T10] netlink_unicast+0x449/0x710 [ 3040.921365][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.921365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.921365][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.921365][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.921365][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.921365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.921365][ T10] [ 3040.923339][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3040.923339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.923339][ T10] ipv6_find_idev+0x102/0x170 [ 3040.923339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.923339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.923339][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.923339][ T10] netlink_unicast+0x449/0x710 [ 3040.923339][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.923339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.923339][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.923339][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.923339][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.923339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.923339][ T10] [ 3040.924856][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3040.924856][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.924856][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.924856][ T10] ipv6_find_idev+0x102/0x170 [ 3040.924856][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.924856][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.924856][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.924856][ T10] netlink_unicast+0x449/0x710 [ 3040.924856][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.924856][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.924856][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.924856][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.924856][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.924856][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.924856][ T10] [ 3040.926568][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3040.926834][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3040.926834][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.926834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.926834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.926834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.926834][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.926834][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.926834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.926834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.926834][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.926834][ T10] netlink_unicast+0x449/0x710 [ 3040.926834][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.926834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.926834][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.926834][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.926834][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.926834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.926834][ T10] [ 3040.928930][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3040.928930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.928930][ T10] ipv6_find_idev+0x102/0x170 [ 3040.928930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.928930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.928930][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.928930][ T10] netlink_unicast+0x449/0x710 [ 3040.928930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.928930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.928930][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.928930][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.928930][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.928930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.928930][ T10] [ 3040.930629][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3040.930629][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.930629][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.930629][ T10] ipv6_find_idev+0x102/0x170 [ 3040.930629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.930629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.930629][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.930629][ T10] netlink_unicast+0x449/0x710 [ 3040.930629][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.930629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.930629][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.930629][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.930629][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.930629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.930629][ T10] [ 3040.932627][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3040.932948][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3040.932948][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.932948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.932948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.932948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.932948][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.932948][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.932948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.932948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.932948][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.932948][ T10] netlink_unicast+0x449/0x710 [ 3040.932948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.932948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.932948][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.932948][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.932948][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.932948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.932948][ T10] [ 3040.935097][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3040.935097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.935097][ T10] ipv6_find_idev+0x102/0x170 [ 3040.935097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.935097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.935097][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.935097][ T10] netlink_unicast+0x449/0x710 [ 3040.935097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.935097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.935097][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.935097][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.935097][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.935097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.935097][ T10] [ 3040.936787][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3040.936787][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.936787][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.936787][ T10] ipv6_find_idev+0x102/0x170 [ 3040.936787][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.936787][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.936787][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.936787][ T10] netlink_unicast+0x449/0x710 [ 3040.936787][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.936787][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.936787][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.936787][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.936787][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.936787][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.936787][ T10] [ 3040.938738][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3040.939051][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3040.939051][ T10] netdev_get_by_index+0x5e/0x80 [ 3040.939051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3040.939051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3040.939051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3040.939051][ T10] ipv6_add_addr+0x411/0x2000 [ 3040.939051][ T10] inet6_addr_add+0x30e/0xa40 [ 3040.939051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3040.939051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.939051][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.939051][ T10] netlink_unicast+0x449/0x710 [ 3040.939051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.939051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.939051][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.939051][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.939051][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.939051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.939051][ T10] [ 3040.941210][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3040.941210][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3040.941210][ T10] ipv6_find_idev+0x102/0x170 [ 3040.941210][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.941210][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.941210][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.941210][ T10] netlink_unicast+0x449/0x710 [ 3040.941210][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.941210][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.941210][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.941210][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.941210][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.941210][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.941210][ T10] [ 3040.942902][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3040.942902][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3040.942902][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3040.942902][ T10] ipv6_find_idev+0x102/0x170 [ 3040.942902][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3040.942902][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3040.942902][ T10] netlink_rcv_skb+0x130/0x360 [ 3040.942902][ T10] netlink_unicast+0x449/0x710 [ 3040.942902][ T10] netlink_sendmsg+0x723/0xbe0 [ 3040.942902][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3040.942902][ T10] ___sys_sendmsg+0xee/0x170 [ 3040.942902][ T10] __sys_sendmsg+0xcd/0x170 [ 3040.942902][ T10] do_syscall_64+0xc6/0x1e0 [ 3040.942902][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3040.942902][ T10] [ 3050.962970][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3050.963955][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3050.963955][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.963955][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.963955][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.963955][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.963955][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.963955][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.963955][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.963955][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.963955][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.963955][ T10] netlink_unicast+0x449/0x710 [ 3050.963955][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.963955][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.963955][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.963955][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.963955][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.963955][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.963955][ T10] [ 3050.965936][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3050.965936][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.965936][ T10] ipv6_find_idev+0x102/0x170 [ 3050.965936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.965936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.965936][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.965936][ T10] netlink_unicast+0x449/0x710 [ 3050.965936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.965936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.965936][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.965936][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.965936][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.965936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.965936][ T10] [ 3050.967445][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3050.967445][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.967445][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.967445][ T10] ipv6_find_idev+0x102/0x170 [ 3050.967445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.967445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.967445][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.967445][ T10] netlink_unicast+0x449/0x710 [ 3050.967445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.967445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.967445][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.967445][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.967445][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.967445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.967445][ T10] [ 3050.969115][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3050.969373][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3050.969373][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.969373][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.969373][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.969373][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.969373][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.969373][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.969373][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.969373][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.969373][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.969373][ T10] netlink_unicast+0x449/0x710 [ 3050.969373][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.969373][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.969373][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.969373][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.969373][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.969373][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.969373][ T10] [ 3050.971339][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3050.971339][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.971339][ T10] ipv6_find_idev+0x102/0x170 [ 3050.971339][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.971339][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.971339][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.971339][ T10] netlink_unicast+0x449/0x710 [ 3050.971339][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.971339][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.971339][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.971339][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.971339][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.971339][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.971339][ T10] [ 3050.972850][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3050.972850][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.972850][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.972850][ T10] ipv6_find_idev+0x102/0x170 [ 3050.972850][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.972850][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.972850][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.972850][ T10] netlink_unicast+0x449/0x710 [ 3050.972850][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.972850][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.972850][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.972850][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.972850][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.972850][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.972850][ T10] [ 3050.974496][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3050.974755][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3050.974755][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.974755][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.974755][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.974755][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.974755][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.974755][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.974755][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.974755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.974755][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.974755][ T10] netlink_unicast+0x449/0x710 [ 3050.974755][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.974755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.974755][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.974755][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.974755][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.974755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.974755][ T10] [ 3050.976714][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3050.976714][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.976714][ T10] ipv6_find_idev+0x102/0x170 [ 3050.976714][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.976714][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.976714][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.976714][ T10] netlink_unicast+0x449/0x710 [ 3050.976714][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.976714][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.976714][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.976714][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.976714][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.976714][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.976714][ T10] [ 3050.978227][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3050.978227][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.978227][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.978227][ T10] ipv6_find_idev+0x102/0x170 [ 3050.978227][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.978227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.978227][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.978227][ T10] netlink_unicast+0x449/0x710 [ 3050.978227][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.978227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.978227][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.978227][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.978227][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.978227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.978227][ T10] [ 3050.979920][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3050.980181][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3050.980181][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.980181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.980181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.980181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.980181][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.980181][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.980181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.980181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.980181][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.980181][ T10] netlink_unicast+0x449/0x710 [ 3050.980181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.980181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.980181][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.980181][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.980181][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.980181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.980181][ T10] [ 3050.982157][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3050.982157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.982157][ T10] ipv6_find_idev+0x102/0x170 [ 3050.982157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.982157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.982157][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.982157][ T10] netlink_unicast+0x449/0x710 [ 3050.982157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.982157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.982157][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.982157][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.982157][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.982157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.982157][ T10] [ 3050.983664][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3050.983664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.983664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.983664][ T10] ipv6_find_idev+0x102/0x170 [ 3050.983664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.983664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.983664][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.983664][ T10] netlink_unicast+0x449/0x710 [ 3050.983664][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.983664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.983664][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.983664][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.983664][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.983664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.983664][ T10] [ 3050.985314][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3050.985576][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3050.985576][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.985576][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.985576][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.985576][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.985576][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.985576][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.985576][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.985576][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.985576][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.985576][ T10] netlink_unicast+0x449/0x710 [ 3050.985576][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.985576][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.985576][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.985576][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.985576][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.985576][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.985576][ T10] [ 3050.987540][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3050.987540][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.987540][ T10] ipv6_find_idev+0x102/0x170 [ 3050.987540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.987540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.987540][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.987540][ T10] netlink_unicast+0x449/0x710 [ 3050.987540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.987540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.987540][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.987540][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.987540][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.987540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.987540][ T10] [ 3050.989125][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3050.989125][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.989125][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.989125][ T10] ipv6_find_idev+0x102/0x170 [ 3050.989125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.989125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.989125][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.989125][ T10] netlink_unicast+0x449/0x710 [ 3050.989125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.989125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.989125][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.989125][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.989125][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.989125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.989125][ T10] [ 3050.991238][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3050.991502][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3050.991502][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.991502][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.991502][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.991502][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.991502][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.991502][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.991502][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.991502][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.991502][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.991502][ T10] netlink_unicast+0x449/0x710 [ 3050.991502][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.991502][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.991502][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.991502][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.991502][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.991502][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.991502][ T10] [ 3050.993442][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3050.993442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.993442][ T10] ipv6_find_idev+0x102/0x170 [ 3050.993442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.993442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.993442][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.993442][ T10] netlink_unicast+0x449/0x710 [ 3050.993442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.993442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.993442][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.993442][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.993442][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.993442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.993442][ T10] [ 3050.995114][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3050.995114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3050.995114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3050.995114][ T10] ipv6_find_idev+0x102/0x170 [ 3050.995114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.995114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.995114][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.995114][ T10] netlink_unicast+0x449/0x710 [ 3050.995114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.995114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.995114][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.995114][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.995114][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.995114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.995114][ T10] [ 3050.996932][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3050.997187][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3050.997187][ T10] netdev_get_by_index+0x5e/0x80 [ 3050.997187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3050.997187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3050.997187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3050.997187][ T10] ipv6_add_addr+0x411/0x2000 [ 3050.997187][ T10] inet6_addr_add+0x30e/0xa40 [ 3050.997187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3050.997187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.997187][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.997187][ T10] netlink_unicast+0x449/0x710 [ 3050.997187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.997187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.997187][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.997187][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.997187][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.997187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.997187][ T10] [ 3050.999327][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3050.999327][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3050.999327][ T10] ipv6_find_idev+0x102/0x170 [ 3050.999327][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3050.999327][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3050.999327][ T10] netlink_rcv_skb+0x130/0x360 [ 3050.999327][ T10] netlink_unicast+0x449/0x710 [ 3050.999327][ T10] netlink_sendmsg+0x723/0xbe0 [ 3050.999327][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3050.999327][ T10] ___sys_sendmsg+0xee/0x170 [ 3050.999327][ T10] __sys_sendmsg+0xcd/0x170 [ 3050.999327][ T10] do_syscall_64+0xc6/0x1e0 [ 3050.999327][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3050.999327][ T10] [ 3051.000961][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3051.000961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3051.000961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3051.000961][ T10] ipv6_find_idev+0x102/0x170 [ 3051.000961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3051.000961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.000961][ T10] netlink_rcv_skb+0x130/0x360 [ 3051.000961][ T10] netlink_unicast+0x449/0x710 [ 3051.000961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3051.000961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3051.000961][ T10] ___sys_sendmsg+0xee/0x170 [ 3051.000961][ T10] __sys_sendmsg+0xcd/0x170 [ 3051.000961][ T10] do_syscall_64+0xc6/0x1e0 [ 3051.000961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.000961][ T10] [ 3051.002780][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3051.003086][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3051.003086][ T10] netdev_get_by_index+0x5e/0x80 [ 3051.003086][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3051.003086][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3051.003086][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3051.003086][ T10] ipv6_add_addr+0x411/0x2000 [ 3051.003086][ T10] inet6_addr_add+0x30e/0xa40 [ 3051.003086][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3051.003086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.003086][ T10] netlink_rcv_skb+0x130/0x360 [ 3051.003086][ T10] netlink_unicast+0x449/0x710 [ 3051.003086][ T10] netlink_sendmsg+0x723/0xbe0 [ 3051.003086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3051.003086][ T10] ___sys_sendmsg+0xee/0x170 [ 3051.003086][ T10] __sys_sendmsg+0xcd/0x170 [ 3051.003086][ T10] do_syscall_64+0xc6/0x1e0 [ 3051.003086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.003086][ T10] [ 3051.005104][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3051.005104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3051.005104][ T10] ipv6_find_idev+0x102/0x170 [ 3051.005104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3051.005104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.005104][ T10] netlink_rcv_skb+0x130/0x360 [ 3051.005104][ T10] netlink_unicast+0x449/0x710 [ 3051.005104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3051.005104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3051.005104][ T10] ___sys_sendmsg+0xee/0x170 [ 3051.005104][ T10] __sys_sendmsg+0xcd/0x170 [ 3051.005104][ T10] do_syscall_64+0xc6/0x1e0 [ 3051.005104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.005104][ T10] [ 3051.006749][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3051.006749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3051.006749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3051.006749][ T10] ipv6_find_idev+0x102/0x170 [ 3051.006749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3051.006749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3051.006749][ T10] netlink_rcv_skb+0x130/0x360 [ 3051.006749][ T10] netlink_unicast+0x449/0x710 [ 3051.006749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3051.006749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3051.006749][ T10] ___sys_sendmsg+0xee/0x170 [ 3051.006749][ T10] __sys_sendmsg+0xcd/0x170 [ 3051.006749][ T10] do_syscall_64+0xc6/0x1e0 [ 3051.006749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3051.006749][ T10] [ 3061.259019][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3061.259462][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3061.259462][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.259462][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.259462][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.259462][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.259462][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.259462][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.259462][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.259462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.259462][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.259462][ T10] netlink_unicast+0x449/0x710 [ 3061.259462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.259462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.259462][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.259462][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.259462][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.259462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.259462][ T10] [ 3061.261553][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3061.261553][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.261553][ T10] ipv6_find_idev+0x102/0x170 [ 3061.261553][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.261553][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.261553][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.261553][ T10] netlink_unicast+0x449/0x710 [ 3061.261553][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.261553][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.261553][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.261553][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.261553][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.261553][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.261553][ T10] [ 3061.263063][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3061.263063][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.263063][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.263063][ T10] ipv6_find_idev+0x102/0x170 [ 3061.263063][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.263063][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.263063][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.263063][ T10] netlink_unicast+0x449/0x710 [ 3061.263063][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.263063][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.263063][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.263063][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.263063][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.263063][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.263063][ T10] [ 3061.264721][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3061.265003][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3061.265003][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.265003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.265003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.265003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.265003][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.265003][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.265003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.265003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.265003][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.265003][ T10] netlink_unicast+0x449/0x710 [ 3061.265003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.265003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.265003][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.265003][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.265003][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.265003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.265003][ T10] [ 3061.266959][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3061.266959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.266959][ T10] ipv6_find_idev+0x102/0x170 [ 3061.266959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.266959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.266959][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.266959][ T10] netlink_unicast+0x449/0x710 [ 3061.266959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.266959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.266959][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.266959][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.266959][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.266959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.266959][ T10] [ 3061.268477][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3061.268477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.268477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.268477][ T10] ipv6_find_idev+0x102/0x170 [ 3061.268477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.268477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.268477][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.268477][ T10] netlink_unicast+0x449/0x710 [ 3061.268477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.268477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.268477][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.268477][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.268477][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.268477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.268477][ T10] [ 3061.270133][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3061.270389][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3061.270389][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.270389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.270389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.270389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.270389][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.270389][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.270389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.270389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.270389][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.270389][ T10] netlink_unicast+0x449/0x710 [ 3061.270389][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.270389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.270389][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.270389][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.270389][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.270389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.270389][ T10] [ 3061.272703][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3061.272703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.272703][ T10] ipv6_find_idev+0x102/0x170 [ 3061.272703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.272703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.272703][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.272703][ T10] netlink_unicast+0x449/0x710 [ 3061.272703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.272703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.272703][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.272703][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.272703][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.272703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.272703][ T10] [ 3061.274209][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3061.274209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.274209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.274209][ T10] ipv6_find_idev+0x102/0x170 [ 3061.274209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.274209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.274209][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.274209][ T10] netlink_unicast+0x449/0x710 [ 3061.274209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.274209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.274209][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.274209][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.274209][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.274209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.274209][ T10] [ 3061.275857][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3061.276121][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3061.276121][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.276121][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.276121][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.276121][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.276121][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.276121][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.276121][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.276121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.276121][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.276121][ T10] netlink_unicast+0x449/0x710 [ 3061.276121][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.276121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.276121][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.276121][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.276121][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.276121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.276121][ T10] [ 3061.278075][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3061.278075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.278075][ T10] ipv6_find_idev+0x102/0x170 [ 3061.278075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.278075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.278075][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.278075][ T10] netlink_unicast+0x449/0x710 [ 3061.278075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.278075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.278075][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.278075][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.278075][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.278075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.278075][ T10] [ 3061.279582][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3061.279582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.279582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.279582][ T10] ipv6_find_idev+0x102/0x170 [ 3061.279582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.279582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.279582][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.279582][ T10] netlink_unicast+0x449/0x710 [ 3061.279582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.279582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.279582][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.279582][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.279582][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.279582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.279582][ T10] [ 3061.281274][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3061.281533][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3061.281533][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.281533][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.281533][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.281533][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.281533][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.281533][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.281533][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.281533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.281533][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.281533][ T10] netlink_unicast+0x449/0x710 [ 3061.281533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.281533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.281533][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.281533][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.281533][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.281533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.281533][ T10] [ 3061.283480][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3061.283480][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.283480][ T10] ipv6_find_idev+0x102/0x170 [ 3061.283480][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.283480][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.283480][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.283480][ T10] netlink_unicast+0x449/0x710 [ 3061.283480][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.283480][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.283480][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.283480][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.283480][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.283480][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.283480][ T10] [ 3061.284976][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3061.284976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.284976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.284976][ T10] ipv6_find_idev+0x102/0x170 [ 3061.284976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.284976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.284976][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.284976][ T10] netlink_unicast+0x449/0x710 [ 3061.284976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.284976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.284976][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.284976][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.284976][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.284976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.284976][ T10] [ 3061.286939][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3061.287198][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3061.287198][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.287198][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.287198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.287198][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.287198][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.287198][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.287198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.287198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.287198][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.287198][ T10] netlink_unicast+0x449/0x710 [ 3061.287198][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.287198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.287198][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.287198][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.287198][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.287198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.287198][ T10] [ 3061.289336][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3061.289336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.289336][ T10] ipv6_find_idev+0x102/0x170 [ 3061.289336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.289336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.289336][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.289336][ T10] netlink_unicast+0x449/0x710 [ 3061.289336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.289336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.289336][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.289336][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.289336][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.289336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.289336][ T10] [ 3061.291019][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3061.291019][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.291019][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.291019][ T10] ipv6_find_idev+0x102/0x170 [ 3061.291019][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.291019][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.291019][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.291019][ T10] netlink_unicast+0x449/0x710 [ 3061.291019][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.291019][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.291019][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.291019][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.291019][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.291019][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.291019][ T10] [ 3061.292964][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3061.293221][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3061.293221][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.293221][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.293221][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.293221][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.293221][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.293221][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.293221][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.293221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.293221][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.293221][ T10] netlink_unicast+0x449/0x710 [ 3061.293221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.293221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.293221][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.293221][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.293221][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.293221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.293221][ T10] [ 3061.295290][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3061.295290][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.295290][ T10] ipv6_find_idev+0x102/0x170 [ 3061.295290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.295290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.295290][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.295290][ T10] netlink_unicast+0x449/0x710 [ 3061.295290][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.295290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.295290][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.295290][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.295290][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.295290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.295290][ T10] [ 3061.297039][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3061.297039][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.297039][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.297039][ T10] ipv6_find_idev+0x102/0x170 [ 3061.297039][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.297039][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.297039][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.297039][ T10] netlink_unicast+0x449/0x710 [ 3061.297039][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.297039][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.297039][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.297039][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.297039][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.297039][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.297039][ T10] [ 3061.298915][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3061.299176][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3061.299176][ T10] netdev_get_by_index+0x5e/0x80 [ 3061.299176][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3061.299176][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3061.299176][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3061.299176][ T10] ipv6_add_addr+0x411/0x2000 [ 3061.299176][ T10] inet6_addr_add+0x30e/0xa40 [ 3061.299176][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3061.299176][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.299176][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.299176][ T10] netlink_unicast+0x449/0x710 [ 3061.299176][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.299176][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.299176][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.299176][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.299176][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.299176][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.299176][ T10] [ 3061.301369][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3061.301369][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3061.301369][ T10] ipv6_find_idev+0x102/0x170 [ 3061.301369][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.301369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.301369][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.301369][ T10] netlink_unicast+0x449/0x710 [ 3061.301369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.301369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.301369][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.301369][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.301369][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.301369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.301369][ T10] [ 3061.303052][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3061.303052][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3061.303052][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3061.303052][ T10] ipv6_find_idev+0x102/0x170 [ 3061.303052][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3061.303052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3061.303052][ T10] netlink_rcv_skb+0x130/0x360 [ 3061.303052][ T10] netlink_unicast+0x449/0x710 [ 3061.303052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3061.303052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3061.303052][ T10] ___sys_sendmsg+0xee/0x170 [ 3061.303052][ T10] __sys_sendmsg+0xcd/0x170 [ 3061.303052][ T10] do_syscall_64+0xc6/0x1e0 [ 3061.303052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3061.303052][ T10] [ 3071.554875][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3071.555273][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3071.555273][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.555273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.555273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.555273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.555273][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.555273][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.555273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.555273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.555273][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.555273][ T10] netlink_unicast+0x449/0x710 [ 3071.555273][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.555273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.555273][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.555273][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.555273][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.555273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.555273][ T10] [ 3071.557276][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3071.557276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.557276][ T10] ipv6_find_idev+0x102/0x170 [ 3071.557276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.557276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.557276][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.557276][ T10] netlink_unicast+0x449/0x710 [ 3071.557276][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.557276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.557276][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.557276][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.557276][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.557276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.557276][ T10] [ 3071.558817][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3071.558817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.558817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.558817][ T10] ipv6_find_idev+0x102/0x170 [ 3071.558817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.558817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.558817][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.558817][ T10] netlink_unicast+0x449/0x710 [ 3071.558817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.558817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.558817][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.558817][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.558817][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.558817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.558817][ T10] [ 3071.560502][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3071.560768][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3071.560768][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.560768][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.560768][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.560768][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.560768][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.560768][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.560768][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.560768][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.560768][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.560768][ T10] netlink_unicast+0x449/0x710 [ 3071.560768][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.560768][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.560768][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.560768][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.560768][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.560768][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.560768][ T10] [ 3071.562751][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3071.562751][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.562751][ T10] ipv6_find_idev+0x102/0x170 [ 3071.562751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.562751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.562751][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.562751][ T10] netlink_unicast+0x449/0x710 [ 3071.562751][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.562751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.562751][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.562751][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.562751][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.562751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.562751][ T10] [ 3071.564281][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3071.564281][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.564281][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.564281][ T10] ipv6_find_idev+0x102/0x170 [ 3071.564281][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.564281][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.564281][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.564281][ T10] netlink_unicast+0x449/0x710 [ 3071.564281][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.564281][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.564281][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.564281][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.564281][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.564281][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.564281][ T10] [ 3071.565958][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3071.566223][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3071.566223][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.566223][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.566223][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.566223][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.566223][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.566223][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.566223][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.566223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.566223][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.566223][ T10] netlink_unicast+0x449/0x710 [ 3071.566223][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.566223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.566223][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.566223][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.566223][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.566223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.566223][ T10] [ 3071.568219][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3071.568219][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.568219][ T10] ipv6_find_idev+0x102/0x170 [ 3071.568219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.568219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.568219][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.568219][ T10] netlink_unicast+0x449/0x710 [ 3071.568219][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.568219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.568219][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.568219][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.568219][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.568219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.568219][ T10] [ 3071.569757][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3071.569757][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.569757][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.569757][ T10] ipv6_find_idev+0x102/0x170 [ 3071.569757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.569757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.569757][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.569757][ T10] netlink_unicast+0x449/0x710 [ 3071.569757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.569757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.569757][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.569757][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.569757][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.569757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.569757][ T10] [ 3071.571431][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3071.571695][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3071.571695][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.571695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.571695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.571695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.571695][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.571695][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.571695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.571695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.571695][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.571695][ T10] netlink_unicast+0x449/0x710 [ 3071.571695][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.571695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.571695][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.571695][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.571695][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.571695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.571695][ T10] [ 3071.573679][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3071.573679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.573679][ T10] ipv6_find_idev+0x102/0x170 [ 3071.573679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.573679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.573679][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.573679][ T10] netlink_unicast+0x449/0x710 [ 3071.573679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.573679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.573679][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.573679][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.573679][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.573679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.573679][ T10] [ 3071.575209][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3071.575209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.575209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.575209][ T10] ipv6_find_idev+0x102/0x170 [ 3071.575209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.575209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.575209][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.575209][ T10] netlink_unicast+0x449/0x710 [ 3071.575209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.575209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.575209][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.575209][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.575209][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.575209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.575209][ T10] [ 3071.577293][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3071.577886][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3071.577886][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.577886][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.577886][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.577886][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.577886][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.577886][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.577886][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.577886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.577886][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.577886][ T10] netlink_unicast+0x449/0x710 [ 3071.577886][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.577886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.577886][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.577886][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.577886][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.577886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.577886][ T10] [ 3071.579868][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3071.579868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.579868][ T10] ipv6_find_idev+0x102/0x170 [ 3071.579868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.579868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.579868][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.579868][ T10] netlink_unicast+0x449/0x710 [ 3071.579868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.579868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.579868][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.579868][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.579868][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.579868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.579868][ T10] [ 3071.581390][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3071.581390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.581390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.581390][ T10] ipv6_find_idev+0x102/0x170 [ 3071.581390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.581390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.581390][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.581390][ T10] netlink_unicast+0x449/0x710 [ 3071.581390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.581390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.581390][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.581390][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.581390][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.581390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.581390][ T10] [ 3071.583066][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3071.583337][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3071.583337][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.583337][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.583337][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.583337][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.583337][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.583337][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.583337][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.583337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.583337][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.583337][ T10] netlink_unicast+0x449/0x710 [ 3071.583337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.583337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.583337][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.583337][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.583337][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.583337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.583337][ T10] [ 3071.585314][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3071.585314][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.585314][ T10] ipv6_find_idev+0x102/0x170 [ 3071.585314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.585314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.585314][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.585314][ T10] netlink_unicast+0x449/0x710 [ 3071.585314][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.585314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.585314][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.585314][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.585314][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.585314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.585314][ T10] [ 3071.586891][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3071.586891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.586891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.586891][ T10] ipv6_find_idev+0x102/0x170 [ 3071.586891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.586891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.586891][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.586891][ T10] netlink_unicast+0x449/0x710 [ 3071.586891][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.586891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.586891][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.586891][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.586891][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.586891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.586891][ T10] [ 3071.588859][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3071.589164][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3071.589164][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.589164][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.589164][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.589164][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.589164][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.589164][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.589164][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.589164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.589164][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.589164][ T10] netlink_unicast+0x449/0x710 [ 3071.589164][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.589164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.589164][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.589164][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.589164][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.589164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.589164][ T10] [ 3071.591313][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3071.591313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.591313][ T10] ipv6_find_idev+0x102/0x170 [ 3071.591313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.591313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.591313][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.591313][ T10] netlink_unicast+0x449/0x710 [ 3071.591313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.591313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.591313][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.591313][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.591313][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.591313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.591313][ T10] [ 3071.593014][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3071.593014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.593014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.593014][ T10] ipv6_find_idev+0x102/0x170 [ 3071.593014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.593014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.593014][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.593014][ T10] netlink_unicast+0x449/0x710 [ 3071.593014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.593014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.593014][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.593014][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.593014][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.593014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.593014][ T10] [ 3071.594963][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3071.595273][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3071.595273][ T10] netdev_get_by_index+0x5e/0x80 [ 3071.595273][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3071.595273][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3071.595273][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3071.595273][ T10] ipv6_add_addr+0x411/0x2000 [ 3071.595273][ T10] inet6_addr_add+0x30e/0xa40 [ 3071.595273][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3071.595273][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.595273][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.595273][ T10] netlink_unicast+0x449/0x710 [ 3071.595273][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.595273][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.595273][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.595273][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.595273][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.595273][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.595273][ T10] [ 3071.597429][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3071.597429][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3071.597429][ T10] ipv6_find_idev+0x102/0x170 [ 3071.597429][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.597429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.597429][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.597429][ T10] netlink_unicast+0x449/0x710 [ 3071.597429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.597429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.597429][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.597429][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.597429][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.597429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.597429][ T10] [ 3071.599203][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3071.599203][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3071.599203][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3071.599203][ T10] ipv6_find_idev+0x102/0x170 [ 3071.599203][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3071.599203][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3071.599203][ T10] netlink_rcv_skb+0x130/0x360 [ 3071.599203][ T10] netlink_unicast+0x449/0x710 [ 3071.599203][ T10] netlink_sendmsg+0x723/0xbe0 [ 3071.599203][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3071.599203][ T10] ___sys_sendmsg+0xee/0x170 [ 3071.599203][ T10] __sys_sendmsg+0xcd/0x170 [ 3071.599203][ T10] do_syscall_64+0xc6/0x1e0 [ 3071.599203][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3071.599203][ T10] [ 3081.754977][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3081.755503][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3081.755503][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.755503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.755503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.755503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.755503][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.755503][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.755503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.755503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.755503][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.755503][ T10] netlink_unicast+0x449/0x710 [ 3081.755503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.755503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.755503][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.755503][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.755503][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.755503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.755503][ T10] [ 3081.758679][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3081.758679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.758679][ T10] ipv6_find_idev+0x102/0x170 [ 3081.758679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.758679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.758679][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.758679][ T10] netlink_unicast+0x449/0x710 [ 3081.758679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.758679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.758679][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.758679][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.758679][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.758679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.758679][ T10] [ 3081.761123][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3081.761123][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.761123][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.761123][ T10] ipv6_find_idev+0x102/0x170 [ 3081.761123][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.761123][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.761123][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.761123][ T10] netlink_unicast+0x449/0x710 [ 3081.761123][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.761123][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.761123][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.761123][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.761123][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.761123][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.761123][ T10] [ 3081.763807][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3081.764251][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3081.764251][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.764251][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.764251][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.764251][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.764251][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.764251][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.764251][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.764251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.764251][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.764251][ T10] netlink_unicast+0x449/0x710 [ 3081.764251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.764251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.764251][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.764251][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.764251][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.764251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.764251][ T10] [ 3081.767423][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3081.767423][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.767423][ T10] ipv6_find_idev+0x102/0x170 [ 3081.767423][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.767423][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.767423][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.767423][ T10] netlink_unicast+0x449/0x710 [ 3081.767423][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.767423][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.767423][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.767423][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.767423][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.767423][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.767423][ T10] [ 3081.769875][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3081.769875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.769875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.769875][ T10] ipv6_find_idev+0x102/0x170 [ 3081.769875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.769875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.769875][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.769875][ T10] netlink_unicast+0x449/0x710 [ 3081.769875][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.769875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.769875][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.769875][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.769875][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.769875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.769875][ T10] [ 3081.772649][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3081.773075][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3081.773075][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.773075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.773075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.773075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.773075][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.773075][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.773075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.773075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.773075][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.773075][ T10] netlink_unicast+0x449/0x710 [ 3081.773075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.773075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.773075][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.773075][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.773075][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.773075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.773075][ T10] [ 3081.776251][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3081.776251][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.776251][ T10] ipv6_find_idev+0x102/0x170 [ 3081.776251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.776251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.776251][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.776251][ T10] netlink_unicast+0x449/0x710 [ 3081.776251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.776251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.776251][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.776251][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.776251][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.776251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.776251][ T10] [ 3081.778700][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3081.778700][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.778700][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.778700][ T10] ipv6_find_idev+0x102/0x170 [ 3081.778700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.778700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.778700][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.778700][ T10] netlink_unicast+0x449/0x710 [ 3081.778700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.778700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.778700][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.778700][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.778700][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.778700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.778700][ T10] [ 3081.781370][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3081.781790][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3081.781790][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.781790][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.781790][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.781790][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.781790][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.781790][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.781790][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.781790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.781790][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.781790][ T10] netlink_unicast+0x449/0x710 [ 3081.781790][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.781790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.781790][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.781790][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.781790][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.781790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.781790][ T10] [ 3081.784962][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3081.784962][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.784962][ T10] ipv6_find_idev+0x102/0x170 [ 3081.784962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.784962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.784962][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.784962][ T10] netlink_unicast+0x449/0x710 [ 3081.784962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.784962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.784962][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.784962][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.784962][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.784962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.784962][ T10] [ 3081.787510][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3081.787510][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.787510][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.787510][ T10] ipv6_find_idev+0x102/0x170 [ 3081.787510][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.787510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.787510][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.787510][ T10] netlink_unicast+0x449/0x710 [ 3081.787510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.787510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.787510][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.787510][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.787510][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.787510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.787510][ T10] [ 3081.790648][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3081.791399][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3081.791399][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.791399][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.791399][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.791399][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.791399][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.791399][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.791399][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.791399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.791399][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.791399][ T10] netlink_unicast+0x449/0x710 [ 3081.791399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.791399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.791399][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.791399][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.791399][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.791399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.791399][ T10] [ 3081.794520][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3081.794520][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.794520][ T10] ipv6_find_idev+0x102/0x170 [ 3081.794520][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.794520][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.794520][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.794520][ T10] netlink_unicast+0x449/0x710 [ 3081.794520][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.794520][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.794520][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.794520][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.794520][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.794520][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.794520][ T10] [ 3081.796961][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3081.796961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.796961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.796961][ T10] ipv6_find_idev+0x102/0x170 [ 3081.796961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.796961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.796961][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.796961][ T10] netlink_unicast+0x449/0x710 [ 3081.796961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.796961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.796961][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.796961][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.796961][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.796961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.796961][ T10] [ 3081.799634][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3081.800140][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3081.800140][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.800140][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.800140][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.800140][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.800140][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.800140][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.800140][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.800140][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.800140][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.800140][ T10] netlink_unicast+0x449/0x710 [ 3081.800140][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.800140][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.800140][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.800140][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.800140][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.800140][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.800140][ T10] [ 3081.803280][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3081.803280][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.803280][ T10] ipv6_find_idev+0x102/0x170 [ 3081.803280][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.803280][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.803280][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.803280][ T10] netlink_unicast+0x449/0x710 [ 3081.803280][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.803280][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.803280][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.803280][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.803280][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.803280][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.803280][ T10] [ 3081.805809][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3081.805809][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.805809][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.805809][ T10] ipv6_find_idev+0x102/0x170 [ 3081.805809][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.805809][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.805809][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.805809][ T10] netlink_unicast+0x449/0x710 [ 3081.805809][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.805809][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.805809][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.805809][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.805809][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.805809][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.805809][ T10] [ 3081.808922][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3081.809346][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3081.809346][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.809346][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.809346][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.809346][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.809346][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.809346][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.809346][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.809346][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.809346][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.809346][ T10] netlink_unicast+0x449/0x710 [ 3081.809346][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.809346][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.809346][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.809346][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.809346][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.809346][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.809346][ T10] [ 3081.813044][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3081.813044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.813044][ T10] ipv6_find_idev+0x102/0x170 [ 3081.813044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.813044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.813044][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.813044][ T10] netlink_unicast+0x449/0x710 [ 3081.813044][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.813044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.813044][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.813044][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.813044][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.813044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.813044][ T10] [ 3081.815737][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3081.815737][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.815737][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.815737][ T10] ipv6_find_idev+0x102/0x170 [ 3081.815737][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.815737][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.815737][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.815737][ T10] netlink_unicast+0x449/0x710 [ 3081.815737][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.815737][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.815737][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.815737][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.815737][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.815737][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.815737][ T10] [ 3081.818856][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3081.819260][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3081.819260][ T10] netdev_get_by_index+0x5e/0x80 [ 3081.819260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3081.819260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3081.819260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3081.819260][ T10] ipv6_add_addr+0x411/0x2000 [ 3081.819260][ T10] inet6_addr_add+0x30e/0xa40 [ 3081.819260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3081.819260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.819260][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.819260][ T10] netlink_unicast+0x449/0x710 [ 3081.819260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.819260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.819260][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.819260][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.819260][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.819260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.819260][ T10] [ 3081.822888][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3081.822888][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3081.822888][ T10] ipv6_find_idev+0x102/0x170 [ 3081.822888][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.822888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.822888][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.822888][ T10] netlink_unicast+0x449/0x710 [ 3081.822888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.822888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.822888][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.822888][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.822888][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.822888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.822888][ T10] [ 3081.825554][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3081.825554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3081.825554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3081.825554][ T10] ipv6_find_idev+0x102/0x170 [ 3081.825554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3081.825554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3081.825554][ T10] netlink_rcv_skb+0x130/0x360 [ 3081.825554][ T10] netlink_unicast+0x449/0x710 [ 3081.825554][ T10] netlink_sendmsg+0x723/0xbe0 [ 3081.825554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3081.825554][ T10] ___sys_sendmsg+0xee/0x170 [ 3081.825554][ T10] __sys_sendmsg+0xcd/0x170 [ 3081.825554][ T10] do_syscall_64+0xc6/0x1e0 [ 3081.825554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3081.825554][ T10] [ 3092.018978][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3092.019372][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3092.019372][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.019372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.019372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.019372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.019372][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.019372][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.019372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.019372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.019372][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.019372][ T10] netlink_unicast+0x449/0x710 [ 3092.019372][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.019372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.019372][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.019372][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.019372][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.019372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.019372][ T10] [ 3092.021349][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3092.021349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.021349][ T10] ipv6_find_idev+0x102/0x170 [ 3092.021349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.021349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.021349][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.021349][ T10] netlink_unicast+0x449/0x710 [ 3092.021349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.021349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.021349][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.021349][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.021349][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.021349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.021349][ T10] [ 3092.022876][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3092.022876][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.022876][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.022876][ T10] ipv6_find_idev+0x102/0x170 [ 3092.022876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.022876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.022876][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.022876][ T10] netlink_unicast+0x449/0x710 [ 3092.022876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.022876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.022876][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.022876][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.022876][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.022876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.022876][ T10] [ 3092.024562][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3092.024826][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3092.024826][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.024826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.024826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.024826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.024826][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.024826][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.024826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.024826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.024826][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.024826][ T10] netlink_unicast+0x449/0x710 [ 3092.024826][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.024826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.024826][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.024826][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.024826][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.024826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.024826][ T10] [ 3092.026793][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3092.026793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.026793][ T10] ipv6_find_idev+0x102/0x170 [ 3092.026793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.026793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.026793][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.026793][ T10] netlink_unicast+0x449/0x710 [ 3092.026793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.026793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.026793][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.026793][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.026793][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.026793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.026793][ T10] [ 3092.028307][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3092.028307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.028307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.028307][ T10] ipv6_find_idev+0x102/0x170 [ 3092.028307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.028307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.028307][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.028307][ T10] netlink_unicast+0x449/0x710 [ 3092.028307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.028307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.028307][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.028307][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.028307][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.028307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.028307][ T10] [ 3092.030017][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3092.030277][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3092.030277][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.030277][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.030277][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.030277][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.030277][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.030277][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.030277][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.030277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.030277][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.030277][ T10] netlink_unicast+0x449/0x710 [ 3092.030277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.030277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.030277][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.030277][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.030277][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.030277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.030277][ T10] [ 3092.032263][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3092.032263][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.032263][ T10] ipv6_find_idev+0x102/0x170 [ 3092.032263][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.032263][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.032263][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.032263][ T10] netlink_unicast+0x449/0x710 [ 3092.032263][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.032263][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.032263][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.032263][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.032263][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.032263][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.032263][ T10] [ 3092.033793][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3092.033793][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.033793][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.033793][ T10] ipv6_find_idev+0x102/0x170 [ 3092.033793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.033793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.033793][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.033793][ T10] netlink_unicast+0x449/0x710 [ 3092.033793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.033793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.033793][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.033793][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.033793][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.033793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.033793][ T10] [ 3092.035456][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3092.035734][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3092.035734][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.035734][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.035734][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.035734][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.035734][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.035734][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.035734][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.035734][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.035734][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.035734][ T10] netlink_unicast+0x449/0x710 [ 3092.035734][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.035734][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.035734][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.035734][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.035734][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.035734][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.035734][ T10] [ 3092.037711][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3092.037711][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.037711][ T10] ipv6_find_idev+0x102/0x170 [ 3092.037711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.037711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.037711][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.037711][ T10] netlink_unicast+0x449/0x710 [ 3092.037711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.037711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.037711][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.037711][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.037711][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.037711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.037711][ T10] [ 3092.039245][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3092.039245][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.039245][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.039245][ T10] ipv6_find_idev+0x102/0x170 [ 3092.039245][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.039245][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.039245][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.039245][ T10] netlink_unicast+0x449/0x710 [ 3092.039245][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.039245][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.039245][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.039245][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.039245][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.039245][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.039245][ T10] [ 3092.040915][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3092.041174][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3092.041174][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.041174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.041174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.041174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.041174][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.041174][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.041174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.041174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.041174][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.041174][ T10] netlink_unicast+0x449/0x710 [ 3092.041174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.041174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.041174][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.041174][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.041174][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.041174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.041174][ T10] [ 3092.043148][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3092.043148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.043148][ T10] ipv6_find_idev+0x102/0x170 [ 3092.043148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.043148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.043148][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.043148][ T10] netlink_unicast+0x449/0x710 [ 3092.043148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.043148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.043148][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.043148][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.043148][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.043148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.043148][ T10] [ 3092.044745][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3092.044745][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.044745][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.044745][ T10] ipv6_find_idev+0x102/0x170 [ 3092.044745][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.044745][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.044745][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.044745][ T10] netlink_unicast+0x449/0x710 [ 3092.044745][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.044745][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.044745][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.044745][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.044745][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.044745][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.044745][ T10] [ 3092.046748][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3092.047069][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3092.047069][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.047069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.047069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.047069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.047069][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.047069][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.047069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.047069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.047069][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.047069][ T10] netlink_unicast+0x449/0x710 [ 3092.047069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.047069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.047069][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.047069][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.047069][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.047069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.047069][ T10] [ 3092.049238][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3092.049238][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.049238][ T10] ipv6_find_idev+0x102/0x170 [ 3092.049238][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.049238][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.049238][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.049238][ T10] netlink_unicast+0x449/0x710 [ 3092.049238][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.049238][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.049238][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.049238][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.049238][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.049238][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.049238][ T10] [ 3092.050949][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3092.050949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.050949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.050949][ T10] ipv6_find_idev+0x102/0x170 [ 3092.050949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.050949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.050949][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.050949][ T10] netlink_unicast+0x449/0x710 [ 3092.050949][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.050949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.050949][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.050949][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.050949][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.050949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.050949][ T10] [ 3092.052861][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3092.053122][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3092.053122][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.053122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.053122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.053122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.053122][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.053122][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.053122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.053122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.053122][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.053122][ T10] netlink_unicast+0x449/0x710 [ 3092.053122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.053122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.053122][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.053122][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.053122][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.053122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.053122][ T10] [ 3092.055334][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3092.055334][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.055334][ T10] ipv6_find_idev+0x102/0x170 [ 3092.055334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.055334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.055334][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.055334][ T10] netlink_unicast+0x449/0x710 [ 3092.055334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.055334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.055334][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.055334][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.055334][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.055334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.055334][ T10] [ 3092.057096][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3092.057096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.057096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.057096][ T10] ipv6_find_idev+0x102/0x170 [ 3092.057096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.057096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.057096][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.057096][ T10] netlink_unicast+0x449/0x710 [ 3092.057096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.057096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.057096][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.057096][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.057096][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.057096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.057096][ T10] [ 3092.059001][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3092.059262][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3092.059262][ T10] netdev_get_by_index+0x5e/0x80 [ 3092.059262][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3092.059262][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3092.059262][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3092.059262][ T10] ipv6_add_addr+0x411/0x2000 [ 3092.059262][ T10] inet6_addr_add+0x30e/0xa40 [ 3092.059262][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3092.059262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.059262][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.059262][ T10] netlink_unicast+0x449/0x710 [ 3092.059262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.059262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.059262][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.059262][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.059262][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.059262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.059262][ T10] [ 3092.061486][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3092.061486][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3092.061486][ T10] ipv6_find_idev+0x102/0x170 [ 3092.061486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.061486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.061486][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.061486][ T10] netlink_unicast+0x449/0x710 [ 3092.061486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.061486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.061486][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.061486][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.061486][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.061486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.061486][ T10] [ 3092.063183][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3092.063183][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3092.063183][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3092.063183][ T10] ipv6_find_idev+0x102/0x170 [ 3092.063183][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3092.063183][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3092.063183][ T10] netlink_rcv_skb+0x130/0x360 [ 3092.063183][ T10] netlink_unicast+0x449/0x710 [ 3092.063183][ T10] netlink_sendmsg+0x723/0xbe0 [ 3092.063183][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3092.063183][ T10] ___sys_sendmsg+0xee/0x170 [ 3092.063183][ T10] __sys_sendmsg+0xcd/0x170 [ 3092.063183][ T10] do_syscall_64+0xc6/0x1e0 [ 3092.063183][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3092.063183][ T10] [ 3102.106997][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3102.107446][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3102.107446][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.107446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.107446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.107446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.107446][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.107446][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.107446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.107446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.107446][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.107446][ T10] netlink_unicast+0x449/0x710 [ 3102.107446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.107446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.107446][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.107446][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.107446][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.107446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.107446][ T10] [ 3102.109445][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3102.109445][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.109445][ T10] ipv6_find_idev+0x102/0x170 [ 3102.109445][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.109445][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.109445][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.109445][ T10] netlink_unicast+0x449/0x710 [ 3102.109445][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.109445][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.109445][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.109445][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.109445][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.109445][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.109445][ T10] [ 3102.110964][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3102.110964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.110964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.110964][ T10] ipv6_find_idev+0x102/0x170 [ 3102.110964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.110964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.110964][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.110964][ T10] netlink_unicast+0x449/0x710 [ 3102.110964][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.110964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.110964][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.110964][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.110964][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.110964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.110964][ T10] [ 3102.112630][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3102.112921][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3102.112921][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.112921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.112921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.112921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.112921][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.112921][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.112921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.112921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.112921][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.112921][ T10] netlink_unicast+0x449/0x710 [ 3102.112921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.112921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.112921][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.112921][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.112921][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.112921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.112921][ T10] [ 3102.114887][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3102.114887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.114887][ T10] ipv6_find_idev+0x102/0x170 [ 3102.114887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.114887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.114887][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.114887][ T10] netlink_unicast+0x449/0x710 [ 3102.114887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.114887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.114887][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.114887][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.114887][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.114887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.114887][ T10] [ 3102.116406][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3102.116406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.116406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.116406][ T10] ipv6_find_idev+0x102/0x170 [ 3102.116406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.116406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.116406][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.116406][ T10] netlink_unicast+0x449/0x710 [ 3102.116406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.116406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.116406][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.116406][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.116406][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.116406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.116406][ T10] [ 3102.118066][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3102.118334][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3102.118334][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.118334][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.118334][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.118334][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.118334][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.118334][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.118334][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.118334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.118334][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.118334][ T10] netlink_unicast+0x449/0x710 [ 3102.118334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.118334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.118334][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.118334][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.118334][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.118334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.118334][ T10] [ 3102.120305][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3102.120305][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.120305][ T10] ipv6_find_idev+0x102/0x170 [ 3102.120305][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.120305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.120305][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.120305][ T10] netlink_unicast+0x449/0x710 [ 3102.120305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.120305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.120305][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.120305][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.120305][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.120305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.120305][ T10] [ 3102.121820][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3102.121820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.121820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.121820][ T10] ipv6_find_idev+0x102/0x170 [ 3102.121820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.121820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.121820][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.121820][ T10] netlink_unicast+0x449/0x710 [ 3102.121820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.121820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.121820][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.121820][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.121820][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.121820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.121820][ T10] [ 3102.123478][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3102.123743][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3102.123743][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.123743][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.123743][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.123743][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.123743][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.123743][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.123743][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.123743][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.123743][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.123743][ T10] netlink_unicast+0x449/0x710 [ 3102.123743][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.123743][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.123743][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.123743][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.123743][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.123743][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.123743][ T10] [ 3102.125707][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3102.125707][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.125707][ T10] ipv6_find_idev+0x102/0x170 [ 3102.125707][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.125707][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.125707][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.125707][ T10] netlink_unicast+0x449/0x710 [ 3102.125707][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.125707][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.125707][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.125707][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.125707][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.125707][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.125707][ T10] [ 3102.127219][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3102.127219][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.127219][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.127219][ T10] ipv6_find_idev+0x102/0x170 [ 3102.127219][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.127219][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.127219][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.127219][ T10] netlink_unicast+0x449/0x710 [ 3102.127219][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.127219][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.127219][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.127219][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.127219][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.127219][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.127219][ T10] [ 3102.128924][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3102.129184][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3102.129184][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.129184][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.129184][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.129184][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.129184][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.129184][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.129184][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.129184][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.129184][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.129184][ T10] netlink_unicast+0x449/0x710 [ 3102.129184][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.129184][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.129184][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.129184][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.129184][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.129184][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.129184][ T10] [ 3102.131146][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3102.131146][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.131146][ T10] ipv6_find_idev+0x102/0x170 [ 3102.131146][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.131146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.131146][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.131146][ T10] netlink_unicast+0x449/0x710 [ 3102.131146][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.131146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.131146][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.131146][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.131146][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.131146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.131146][ T10] [ 3102.132657][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3102.132657][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.132657][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.132657][ T10] ipv6_find_idev+0x102/0x170 [ 3102.132657][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.132657][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.132657][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.132657][ T10] netlink_unicast+0x449/0x710 [ 3102.132657][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.132657][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.132657][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.132657][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.132657][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.132657][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.132657][ T10] [ 3102.134632][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3102.134953][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3102.134953][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.134953][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.134953][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.134953][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.134953][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.134953][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.134953][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.134953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.134953][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.134953][ T10] netlink_unicast+0x449/0x710 [ 3102.134953][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.134953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.134953][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.134953][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.134953][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.134953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.134953][ T10] [ 3102.137090][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3102.137090][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.137090][ T10] ipv6_find_idev+0x102/0x170 [ 3102.137090][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.137090][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.137090][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.137090][ T10] netlink_unicast+0x449/0x710 [ 3102.137090][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.137090][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.137090][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.137090][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.137090][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.137090][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.137090][ T10] [ 3102.138811][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3102.138811][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.138811][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.138811][ T10] ipv6_find_idev+0x102/0x170 [ 3102.138811][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.138811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.138811][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.138811][ T10] netlink_unicast+0x449/0x710 [ 3102.138811][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.138811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.138811][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.138811][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.138811][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.138811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.138811][ T10] [ 3102.140692][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3102.141009][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3102.141009][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.141009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.141009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.141009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.141009][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.141009][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.141009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.141009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.141009][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.141009][ T10] netlink_unicast+0x449/0x710 [ 3102.141009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.141009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.141009][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.141009][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.141009][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.141009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.141009][ T10] [ 3102.143152][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3102.143152][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.143152][ T10] ipv6_find_idev+0x102/0x170 [ 3102.143152][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.143152][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.143152][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.143152][ T10] netlink_unicast+0x449/0x710 [ 3102.143152][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.143152][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.143152][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.143152][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.143152][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.143152][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.143152][ T10] [ 3102.144862][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3102.144862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.144862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.144862][ T10] ipv6_find_idev+0x102/0x170 [ 3102.144862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.144862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.144862][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.144862][ T10] netlink_unicast+0x449/0x710 [ 3102.144862][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.144862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.144862][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.144862][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.144862][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.144862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.144862][ T10] [ 3102.146810][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3102.147120][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3102.147120][ T10] netdev_get_by_index+0x5e/0x80 [ 3102.147120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3102.147120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3102.147120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3102.147120][ T10] ipv6_add_addr+0x411/0x2000 [ 3102.147120][ T10] inet6_addr_add+0x30e/0xa40 [ 3102.147120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3102.147120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.147120][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.147120][ T10] netlink_unicast+0x449/0x710 [ 3102.147120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.147120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.147120][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.147120][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.147120][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.147120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.147120][ T10] [ 3102.149266][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3102.149266][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3102.149266][ T10] ipv6_find_idev+0x102/0x170 [ 3102.149266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.149266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.149266][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.149266][ T10] netlink_unicast+0x449/0x710 [ 3102.149266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.149266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.149266][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.149266][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.149266][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.149266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.149266][ T10] [ 3102.150968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3102.150968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3102.150968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3102.150968][ T10] ipv6_find_idev+0x102/0x170 [ 3102.150968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3102.150968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3102.150968][ T10] netlink_rcv_skb+0x130/0x360 [ 3102.150968][ T10] netlink_unicast+0x449/0x710 [ 3102.150968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3102.150968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3102.150968][ T10] ___sys_sendmsg+0xee/0x170 [ 3102.150968][ T10] __sys_sendmsg+0xcd/0x170 [ 3102.150968][ T10] do_syscall_64+0xc6/0x1e0 [ 3102.150968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3102.150968][ T10] [ 3112.394912][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3112.395294][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3112.395294][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.395294][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.395294][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.395294][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.395294][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.395294][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.395294][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.395294][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.395294][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.395294][ T10] netlink_unicast+0x449/0x710 [ 3112.395294][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.395294][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.395294][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.395294][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.395294][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.395294][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.395294][ T10] [ 3112.397277][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3112.397277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.397277][ T10] ipv6_find_idev+0x102/0x170 [ 3112.397277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.397277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.397277][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.397277][ T10] netlink_unicast+0x449/0x710 [ 3112.397277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.397277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.397277][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.397277][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.397277][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.397277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.397277][ T10] [ 3112.398798][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3112.398798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.398798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.398798][ T10] ipv6_find_idev+0x102/0x170 [ 3112.398798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.398798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.398798][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.398798][ T10] netlink_unicast+0x449/0x710 [ 3112.398798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.398798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.398798][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.398798][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.398798][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.398798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.398798][ T10] [ 3112.400463][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3112.400723][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3112.400723][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.400723][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.400723][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.400723][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.400723][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.400723][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.400723][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.400723][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.400723][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.400723][ T10] netlink_unicast+0x449/0x710 [ 3112.400723][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.400723][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.400723][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.400723][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.400723][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.400723][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.400723][ T10] [ 3112.402679][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3112.402679][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.402679][ T10] ipv6_find_idev+0x102/0x170 [ 3112.402679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.402679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.402679][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.402679][ T10] netlink_unicast+0x449/0x710 [ 3112.402679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.402679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.402679][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.402679][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.402679][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.402679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.402679][ T10] [ 3112.404186][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3112.404186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.404186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.404186][ T10] ipv6_find_idev+0x102/0x170 [ 3112.404186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.404186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.404186][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.404186][ T10] netlink_unicast+0x449/0x710 [ 3112.404186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.404186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.404186][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.404186][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.404186][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.404186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.404186][ T10] [ 3112.405852][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3112.406111][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3112.406111][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.406111][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.406111][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.406111][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.406111][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.406111][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.406111][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.406111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.406111][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.406111][ T10] netlink_unicast+0x449/0x710 [ 3112.406111][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.406111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.406111][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.406111][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.406111][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.406111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.406111][ T10] [ 3112.408076][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3112.408076][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.408076][ T10] ipv6_find_idev+0x102/0x170 [ 3112.408076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.408076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.408076][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.408076][ T10] netlink_unicast+0x449/0x710 [ 3112.408076][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.408076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.408076][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.408076][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.408076][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.408076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.408076][ T10] [ 3112.409597][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3112.409597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.409597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.409597][ T10] ipv6_find_idev+0x102/0x170 [ 3112.409597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.409597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.409597][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.409597][ T10] netlink_unicast+0x449/0x710 [ 3112.409597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.409597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.409597][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.409597][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.409597][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.409597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.409597][ T10] [ 3112.411243][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3112.411503][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3112.411503][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.411503][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.411503][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.411503][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.411503][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.411503][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.411503][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.411503][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.411503][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.411503][ T10] netlink_unicast+0x449/0x710 [ 3112.411503][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.411503][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.411503][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.411503][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.411503][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.411503][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.411503][ T10] [ 3112.413459][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3112.413459][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.413459][ T10] ipv6_find_idev+0x102/0x170 [ 3112.413459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.413459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.413459][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.413459][ T10] netlink_unicast+0x449/0x710 [ 3112.413459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.413459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.413459][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.413459][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.413459][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.413459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.413459][ T10] [ 3112.414965][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3112.414965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.414965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.414965][ T10] ipv6_find_idev+0x102/0x170 [ 3112.414965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.414965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.414965][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.414965][ T10] netlink_unicast+0x449/0x710 [ 3112.414965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.414965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.414965][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.414965][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.414965][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.414965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.414965][ T10] [ 3112.417016][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3112.417274][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3112.417274][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.417274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.417274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.417274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.417274][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.417274][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.417274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.417274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.417274][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.417274][ T10] netlink_unicast+0x449/0x710 [ 3112.417274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.417274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.417274][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.417274][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.417274][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.417274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.417274][ T10] [ 3112.419235][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3112.419235][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.419235][ T10] ipv6_find_idev+0x102/0x170 [ 3112.419235][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.419235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.419235][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.419235][ T10] netlink_unicast+0x449/0x710 [ 3112.419235][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.419235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.419235][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.419235][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.419235][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.419235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.419235][ T10] [ 3112.420769][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3112.420769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.420769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.420769][ T10] ipv6_find_idev+0x102/0x170 [ 3112.420769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.420769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.420769][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.420769][ T10] netlink_unicast+0x449/0x710 [ 3112.420769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.420769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.420769][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.420769][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.420769][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.420769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.420769][ T10] [ 3112.422452][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3112.422716][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3112.422716][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.422716][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.422716][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.422716][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.422716][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.422716][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.422716][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.422716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.422716][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.422716][ T10] netlink_unicast+0x449/0x710 [ 3112.422716][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.422716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.422716][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.422716][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.422716][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.422716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.422716][ T10] [ 3112.424794][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3112.424794][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.424794][ T10] ipv6_find_idev+0x102/0x170 [ 3112.424794][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.424794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.424794][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.424794][ T10] netlink_unicast+0x449/0x710 [ 3112.424794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.424794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.424794][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.424794][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.424794][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.424794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.424794][ T10] [ 3112.426536][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3112.426536][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.426536][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.426536][ T10] ipv6_find_idev+0x102/0x170 [ 3112.426536][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.426536][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.426536][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.426536][ T10] netlink_unicast+0x449/0x710 [ 3112.426536][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.426536][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.426536][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.426536][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.426536][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.426536][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.426536][ T10] [ 3112.428408][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3112.428669][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3112.428669][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.428669][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.428669][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.428669][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.428669][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.428669][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.428669][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.428669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.428669][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.428669][ T10] netlink_unicast+0x449/0x710 [ 3112.428669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.428669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.428669][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.428669][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.428669][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.428669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.428669][ T10] [ 3112.430859][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3112.430859][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.430859][ T10] ipv6_find_idev+0x102/0x170 [ 3112.430859][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.430859][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.430859][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.430859][ T10] netlink_unicast+0x449/0x710 [ 3112.430859][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.430859][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.430859][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.430859][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.430859][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.430859][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.430859][ T10] [ 3112.432540][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3112.432540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.432540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.432540][ T10] ipv6_find_idev+0x102/0x170 [ 3112.432540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.432540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.432540][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.432540][ T10] netlink_unicast+0x449/0x710 [ 3112.432540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.432540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.432540][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.432540][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.432540][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.432540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.432540][ T10] [ 3112.434488][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3112.434756][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3112.434756][ T10] netdev_get_by_index+0x5e/0x80 [ 3112.434756][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3112.434756][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3112.434756][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3112.434756][ T10] ipv6_add_addr+0x411/0x2000 [ 3112.434756][ T10] inet6_addr_add+0x30e/0xa40 [ 3112.434756][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3112.434756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.434756][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.434756][ T10] netlink_unicast+0x449/0x710 [ 3112.434756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.434756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.434756][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.434756][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.434756][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.434756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.434756][ T10] [ 3112.437015][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3112.437015][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3112.437015][ T10] ipv6_find_idev+0x102/0x170 [ 3112.437015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.437015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.437015][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.437015][ T10] netlink_unicast+0x449/0x710 [ 3112.437015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.437015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.437015][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.437015][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.437015][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.437015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.437015][ T10] [ 3112.438706][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3112.438706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3112.438706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3112.438706][ T10] ipv6_find_idev+0x102/0x170 [ 3112.438706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3112.438706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3112.438706][ T10] netlink_rcv_skb+0x130/0x360 [ 3112.438706][ T10] netlink_unicast+0x449/0x710 [ 3112.438706][ T10] netlink_sendmsg+0x723/0xbe0 [ 3112.438706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3112.438706][ T10] ___sys_sendmsg+0xee/0x170 [ 3112.438706][ T10] __sys_sendmsg+0xcd/0x170 [ 3112.438706][ T10] do_syscall_64+0xc6/0x1e0 [ 3112.438706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3112.438706][ T10] [ 3122.682920][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3122.683364][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3122.683364][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.683364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.683364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.683364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.683364][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.683364][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.683364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.683364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.683364][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.683364][ T10] netlink_unicast+0x449/0x710 [ 3122.683364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.683364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.683364][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.683364][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.683364][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.683364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.683364][ T10] [ 3122.685330][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3122.685330][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.685330][ T10] ipv6_find_idev+0x102/0x170 [ 3122.685330][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.685330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.685330][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.685330][ T10] netlink_unicast+0x449/0x710 [ 3122.685330][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.685330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.685330][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.685330][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.685330][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.685330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.685330][ T10] [ 3122.686868][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3122.686868][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.686868][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.686868][ T10] ipv6_find_idev+0x102/0x170 [ 3122.686868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.686868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.686868][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.686868][ T10] netlink_unicast+0x449/0x710 [ 3122.686868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.686868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.686868][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.686868][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.686868][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.686868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.686868][ T10] [ 3122.688561][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3122.688828][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3122.688828][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.688828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.688828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.688828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.688828][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.688828][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.688828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.688828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.688828][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.688828][ T10] netlink_unicast+0x449/0x710 [ 3122.688828][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.688828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.688828][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.688828][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.688828][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.688828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.688828][ T10] [ 3122.690804][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3122.690804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.690804][ T10] ipv6_find_idev+0x102/0x170 [ 3122.690804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.690804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.690804][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.690804][ T10] netlink_unicast+0x449/0x710 [ 3122.690804][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.690804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.690804][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.690804][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.690804][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.690804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.690804][ T10] [ 3122.692320][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3122.692320][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.692320][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.692320][ T10] ipv6_find_idev+0x102/0x170 [ 3122.692320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.692320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.692320][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.692320][ T10] netlink_unicast+0x449/0x710 [ 3122.692320][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.692320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.692320][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.692320][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.692320][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.692320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.692320][ T10] [ 3122.693974][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3122.694230][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3122.694230][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.694230][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.694230][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.694230][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.694230][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.694230][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.694230][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.694230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.694230][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.694230][ T10] netlink_unicast+0x449/0x710 [ 3122.694230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.694230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.694230][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.694230][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.694230][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.694230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.694230][ T10] [ 3122.696211][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3122.696211][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.696211][ T10] ipv6_find_idev+0x102/0x170 [ 3122.696211][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.696211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.696211][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.696211][ T10] netlink_unicast+0x449/0x710 [ 3122.696211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.696211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.696211][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.696211][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.696211][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.696211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.696211][ T10] [ 3122.697713][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3122.697713][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.697713][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.697713][ T10] ipv6_find_idev+0x102/0x170 [ 3122.697713][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.697713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.697713][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.697713][ T10] netlink_unicast+0x449/0x710 [ 3122.697713][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.697713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.697713][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.697713][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.697713][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.697713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.697713][ T10] [ 3122.699385][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3122.699648][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3122.699648][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.699648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.699648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.699648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.699648][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.699648][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.699648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.699648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.699648][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.699648][ T10] netlink_unicast+0x449/0x710 [ 3122.699648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.699648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.699648][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.699648][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.699648][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.699648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.699648][ T10] [ 3122.701605][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3122.701605][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.701605][ T10] ipv6_find_idev+0x102/0x170 [ 3122.701605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.701605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.701605][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.701605][ T10] netlink_unicast+0x449/0x710 [ 3122.701605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.701605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.701605][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.701605][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.701605][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.701605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.701605][ T10] [ 3122.703134][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3122.703134][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.703134][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.703134][ T10] ipv6_find_idev+0x102/0x170 [ 3122.703134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.703134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.703134][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.703134][ T10] netlink_unicast+0x449/0x710 [ 3122.703134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.703134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.703134][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.703134][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.703134][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.703134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.703134][ T10] [ 3122.705198][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3122.705459][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3122.705459][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.705459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.705459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.705459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.705459][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.705459][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.705459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.705459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.705459][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.705459][ T10] netlink_unicast+0x449/0x710 [ 3122.705459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.705459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.705459][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.705459][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.705459][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.705459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.705459][ T10] [ 3122.707433][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3122.707433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.707433][ T10] ipv6_find_idev+0x102/0x170 [ 3122.707433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.707433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.707433][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.707433][ T10] netlink_unicast+0x449/0x710 [ 3122.707433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.707433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.707433][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.707433][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.707433][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.707433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.707433][ T10] [ 3122.708943][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3122.708943][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.708943][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.708943][ T10] ipv6_find_idev+0x102/0x170 [ 3122.708943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.708943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.708943][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.708943][ T10] netlink_unicast+0x449/0x710 [ 3122.708943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.708943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.708943][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.708943][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.708943][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.708943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.708943][ T10] [ 3122.710653][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3122.710970][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3122.710970][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.710970][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.710970][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.710970][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.710970][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.710970][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.710970][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.710970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.710970][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.710970][ T10] netlink_unicast+0x449/0x710 [ 3122.710970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.710970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.710970][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.710970][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.710970][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.710970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.710970][ T10] [ 3122.712985][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3122.712985][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.712985][ T10] ipv6_find_idev+0x102/0x170 [ 3122.712985][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.712985][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.712985][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.712985][ T10] netlink_unicast+0x449/0x710 [ 3122.712985][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.712985][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.712985][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.712985][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.712985][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.712985][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.712985][ T10] [ 3122.714756][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3122.714756][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.714756][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.714756][ T10] ipv6_find_idev+0x102/0x170 [ 3122.714756][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.714756][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.714756][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.714756][ T10] netlink_unicast+0x449/0x710 [ 3122.714756][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.714756][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.714756][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.714756][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.714756][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.714756][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.714756][ T10] [ 3122.716683][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3122.716999][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3122.716999][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.716999][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.716999][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.716999][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.716999][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.716999][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.716999][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.716999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.716999][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.716999][ T10] netlink_unicast+0x449/0x710 [ 3122.716999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.716999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.716999][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.716999][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.716999][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.716999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.716999][ T10] [ 3122.719190][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3122.719190][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.719190][ T10] ipv6_find_idev+0x102/0x170 [ 3122.719190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.719190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.719190][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.719190][ T10] netlink_unicast+0x449/0x710 [ 3122.719190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.719190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.719190][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.719190][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.719190][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.719190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.719190][ T10] [ 3122.720875][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3122.720875][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.720875][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.720875][ T10] ipv6_find_idev+0x102/0x170 [ 3122.720875][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.720875][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.720875][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.720875][ T10] netlink_unicast+0x449/0x710 [ 3122.720875][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.720875][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.720875][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.720875][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.720875][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.720875][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.720875][ T10] [ 3122.722760][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3122.723075][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3122.723075][ T10] netdev_get_by_index+0x5e/0x80 [ 3122.723075][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3122.723075][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3122.723075][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3122.723075][ T10] ipv6_add_addr+0x411/0x2000 [ 3122.723075][ T10] inet6_addr_add+0x30e/0xa40 [ 3122.723075][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3122.723075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.723075][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.723075][ T10] netlink_unicast+0x449/0x710 [ 3122.723075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.723075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.723075][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.723075][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.723075][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.723075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.723075][ T10] [ 3122.725272][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3122.725272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3122.725272][ T10] ipv6_find_idev+0x102/0x170 [ 3122.725272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.725272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.725272][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.725272][ T10] netlink_unicast+0x449/0x710 [ 3122.725272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.725272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.725272][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.725272][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.725272][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.725272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.725272][ T10] [ 3122.726976][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3122.726976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3122.726976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3122.726976][ T10] ipv6_find_idev+0x102/0x170 [ 3122.726976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3122.726976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3122.726976][ T10] netlink_rcv_skb+0x130/0x360 [ 3122.726976][ T10] netlink_unicast+0x449/0x710 [ 3122.726976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3122.726976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3122.726976][ T10] ___sys_sendmsg+0xee/0x170 [ 3122.726976][ T10] __sys_sendmsg+0xcd/0x170 [ 3122.726976][ T10] do_syscall_64+0xc6/0x1e0 [ 3122.726976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3122.726976][ T10] [ 3132.970933][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3132.971370][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3132.971370][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.971370][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.971370][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.971370][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.971370][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.971370][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.971370][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.971370][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.971370][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.971370][ T10] netlink_unicast+0x449/0x710 [ 3132.971370][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.971370][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.971370][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.971370][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.971370][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.971370][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.971370][ T10] [ 3132.973376][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3132.973376][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.973376][ T10] ipv6_find_idev+0x102/0x170 [ 3132.973376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.973376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.973376][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.973376][ T10] netlink_unicast+0x449/0x710 [ 3132.973376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.973376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.973376][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.973376][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.973376][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.973376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.973376][ T10] [ 3132.974887][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3132.974887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.974887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.974887][ T10] ipv6_find_idev+0x102/0x170 [ 3132.974887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.974887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.974887][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.974887][ T10] netlink_unicast+0x449/0x710 [ 3132.974887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.974887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.974887][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.974887][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.974887][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.974887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.974887][ T10] [ 3132.976535][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3132.976802][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3132.976802][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.976802][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.976802][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.976802][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.976802][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.976802][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.976802][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.976802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.976802][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.976802][ T10] netlink_unicast+0x449/0x710 [ 3132.976802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.976802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.976802][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.976802][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.976802][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.976802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.976802][ T10] [ 3132.978763][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3132.978763][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.978763][ T10] ipv6_find_idev+0x102/0x170 [ 3132.978763][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.978763][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.978763][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.978763][ T10] netlink_unicast+0x449/0x710 [ 3132.978763][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.978763][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.978763][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.978763][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.978763][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.978763][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.978763][ T10] [ 3132.980266][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3132.980266][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.980266][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.980266][ T10] ipv6_find_idev+0x102/0x170 [ 3132.980266][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.980266][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.980266][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.980266][ T10] netlink_unicast+0x449/0x710 [ 3132.980266][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.980266][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.980266][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.980266][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.980266][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.980266][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.980266][ T10] [ 3132.981899][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3132.982156][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3132.982156][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.982156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.982156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.982156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.982156][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.982156][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.982156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.982156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.982156][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.982156][ T10] netlink_unicast+0x449/0x710 [ 3132.982156][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.982156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.982156][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.982156][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.982156][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.982156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.982156][ T10] [ 3132.984103][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3132.984103][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.984103][ T10] ipv6_find_idev+0x102/0x170 [ 3132.984103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.984103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.984103][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.984103][ T10] netlink_unicast+0x449/0x710 [ 3132.984103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.984103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.984103][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.984103][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.984103][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.984103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.984103][ T10] [ 3132.985605][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3132.985605][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.985605][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.985605][ T10] ipv6_find_idev+0x102/0x170 [ 3132.985605][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.985605][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.985605][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.985605][ T10] netlink_unicast+0x449/0x710 [ 3132.985605][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.985605][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.985605][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.985605][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.985605][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.985605][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.985605][ T10] [ 3132.987252][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3132.987507][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3132.987507][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.987507][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.987507][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.987507][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.987507][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.987507][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.987507][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.987507][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.987507][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.987507][ T10] netlink_unicast+0x449/0x710 [ 3132.987507][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.987507][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.987507][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.987507][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.987507][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.987507][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.987507][ T10] [ 3132.989468][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3132.989468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.989468][ T10] ipv6_find_idev+0x102/0x170 [ 3132.989468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.989468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.989468][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.989468][ T10] netlink_unicast+0x449/0x710 [ 3132.989468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.989468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.989468][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.989468][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.989468][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.989468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.989468][ T10] [ 3132.990978][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3132.990978][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.990978][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.990978][ T10] ipv6_find_idev+0x102/0x170 [ 3132.990978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.990978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.990978][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.990978][ T10] netlink_unicast+0x449/0x710 [ 3132.990978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.990978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.990978][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.990978][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.990978][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.990978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.990978][ T10] [ 3132.992624][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3132.992881][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3132.992881][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.992881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.992881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.992881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.992881][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.992881][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.992881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.992881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.992881][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.992881][ T10] netlink_unicast+0x449/0x710 [ 3132.992881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.992881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.992881][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.992881][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.992881][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.992881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.992881][ T10] [ 3132.994830][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3132.994830][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3132.994830][ T10] ipv6_find_idev+0x102/0x170 [ 3132.994830][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.994830][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.994830][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.994830][ T10] netlink_unicast+0x449/0x710 [ 3132.994830][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.994830][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.994830][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.994830][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.994830][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.994830][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.994830][ T10] [ 3132.996393][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3132.996393][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3132.996393][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3132.996393][ T10] ipv6_find_idev+0x102/0x170 [ 3132.996393][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3132.996393][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.996393][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.996393][ T10] netlink_unicast+0x449/0x710 [ 3132.996393][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.996393][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.996393][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.996393][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.996393][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.996393][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.996393][ T10] [ 3132.998393][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3132.998653][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3132.998653][ T10] netdev_get_by_index+0x5e/0x80 [ 3132.998653][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3132.998653][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3132.998653][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3132.998653][ T10] ipv6_add_addr+0x411/0x2000 [ 3132.998653][ T10] inet6_addr_add+0x30e/0xa40 [ 3132.998653][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3132.998653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3132.998653][ T10] netlink_rcv_skb+0x130/0x360 [ 3132.998653][ T10] netlink_unicast+0x449/0x710 [ 3132.998653][ T10] netlink_sendmsg+0x723/0xbe0 [ 3132.998653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3132.998653][ T10] ___sys_sendmsg+0xee/0x170 [ 3132.998653][ T10] __sys_sendmsg+0xcd/0x170 [ 3132.998653][ T10] do_syscall_64+0xc6/0x1e0 [ 3132.998653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3132.998653][ T10] [ 3133.000779][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3133.000779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3133.000779][ T10] ipv6_find_idev+0x102/0x170 [ 3133.000779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.000779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.000779][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.000779][ T10] netlink_unicast+0x449/0x710 [ 3133.000779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.000779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.000779][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.000779][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.000779][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.000779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.000779][ T10] [ 3133.002458][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3133.002458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3133.002458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3133.002458][ T10] ipv6_find_idev+0x102/0x170 [ 3133.002458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.002458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.002458][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.002458][ T10] netlink_unicast+0x449/0x710 [ 3133.002458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.002458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.002458][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.002458][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.002458][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.002458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.002458][ T10] [ 3133.004380][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3133.004641][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3133.004641][ T10] netdev_get_by_index+0x5e/0x80 [ 3133.004641][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3133.004641][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3133.004641][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3133.004641][ T10] ipv6_add_addr+0x411/0x2000 [ 3133.004641][ T10] inet6_addr_add+0x30e/0xa40 [ 3133.004641][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3133.004641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.004641][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.004641][ T10] netlink_unicast+0x449/0x710 [ 3133.004641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.004641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.004641][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.004641][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.004641][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.004641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.004641][ T10] [ 3133.006699][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3133.006699][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3133.006699][ T10] ipv6_find_idev+0x102/0x170 [ 3133.006699][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.006699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.006699][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.006699][ T10] netlink_unicast+0x449/0x710 [ 3133.006699][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.006699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.006699][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.006699][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.006699][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.006699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.006699][ T10] [ 3133.008450][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3133.008450][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3133.008450][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3133.008450][ T10] ipv6_find_idev+0x102/0x170 [ 3133.008450][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.008450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.008450][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.008450][ T10] netlink_unicast+0x449/0x710 [ 3133.008450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.008450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.008450][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.008450][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.008450][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.008450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.008450][ T10] [ 3133.010316][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3133.010574][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3133.010574][ T10] netdev_get_by_index+0x5e/0x80 [ 3133.010574][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3133.010574][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3133.010574][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3133.010574][ T10] ipv6_add_addr+0x411/0x2000 [ 3133.010574][ T10] inet6_addr_add+0x30e/0xa40 [ 3133.010574][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3133.010574][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.010574][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.010574][ T10] netlink_unicast+0x449/0x710 [ 3133.010574][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.010574][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.010574][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.010574][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.010574][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.010574][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.010574][ T10] [ 3133.012758][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3133.012758][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3133.012758][ T10] ipv6_find_idev+0x102/0x170 [ 3133.012758][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.012758][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.012758][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.012758][ T10] netlink_unicast+0x449/0x710 [ 3133.012758][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.012758][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.012758][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.012758][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.012758][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.012758][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.012758][ T10] [ 3133.014444][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3133.014444][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3133.014444][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3133.014444][ T10] ipv6_find_idev+0x102/0x170 [ 3133.014444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3133.014444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3133.014444][ T10] netlink_rcv_skb+0x130/0x360 [ 3133.014444][ T10] netlink_unicast+0x449/0x710 [ 3133.014444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3133.014444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3133.014444][ T10] ___sys_sendmsg+0xee/0x170 [ 3133.014444][ T10] __sys_sendmsg+0xcd/0x170 [ 3133.014444][ T10] do_syscall_64+0xc6/0x1e0 [ 3133.014444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3133.014444][ T10] [ 3143.258899][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3143.259349][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3143.259349][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.259349][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.259349][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.259349][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.259349][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.259349][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.259349][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.259349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.259349][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.259349][ T10] netlink_unicast+0x449/0x710 [ 3143.259349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.259349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.259349][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.259349][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.259349][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.259349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.259349][ T10] [ 3143.261312][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3143.261312][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.261312][ T10] ipv6_find_idev+0x102/0x170 [ 3143.261312][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.261312][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.261312][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.261312][ T10] netlink_unicast+0x449/0x710 [ 3143.261312][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.261312][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.261312][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.261312][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.261312][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.261312][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.261312][ T10] [ 3143.262818][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3143.262818][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.262818][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.262818][ T10] ipv6_find_idev+0x102/0x170 [ 3143.262818][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.262818][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.262818][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.262818][ T10] netlink_unicast+0x449/0x710 [ 3143.262818][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.262818][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.262818][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.262818][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.262818][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.262818][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.262818][ T10] [ 3143.264468][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3143.264732][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3143.264732][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.264732][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.264732][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.264732][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.264732][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.264732][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.264732][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.264732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.264732][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.264732][ T10] netlink_unicast+0x449/0x710 [ 3143.264732][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.264732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.264732][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.264732][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.264732][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.264732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.264732][ T10] [ 3143.266703][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3143.266703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.266703][ T10] ipv6_find_idev+0x102/0x170 [ 3143.266703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.266703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.266703][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.266703][ T10] netlink_unicast+0x449/0x710 [ 3143.266703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.266703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.266703][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.266703][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.266703][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.266703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.266703][ T10] [ 3143.268222][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3143.268222][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.268222][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.268222][ T10] ipv6_find_idev+0x102/0x170 [ 3143.268222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.268222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.268222][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.268222][ T10] netlink_unicast+0x449/0x710 [ 3143.268222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.268222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.268222][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.268222][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.268222][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.268222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.268222][ T10] [ 3143.269888][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3143.270157][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3143.270157][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.270157][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.270157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.270157][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.270157][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.270157][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.270157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.270157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.270157][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.270157][ T10] netlink_unicast+0x449/0x710 [ 3143.270157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.270157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.270157][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.270157][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.270157][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.270157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.270157][ T10] [ 3143.272120][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3143.272120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.272120][ T10] ipv6_find_idev+0x102/0x170 [ 3143.272120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.272120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.272120][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.272120][ T10] netlink_unicast+0x449/0x710 [ 3143.272120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.272120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.272120][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.272120][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.272120][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.272120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.272120][ T10] [ 3143.273638][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3143.273638][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.273638][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.273638][ T10] ipv6_find_idev+0x102/0x170 [ 3143.273638][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.273638][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.273638][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.273638][ T10] netlink_unicast+0x449/0x710 [ 3143.273638][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.273638][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.273638][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.273638][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.273638][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.273638][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.273638][ T10] [ 3143.275295][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3143.275559][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3143.275559][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.275559][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.275559][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.275559][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.275559][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.275559][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.275559][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.275559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.275559][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.275559][ T10] netlink_unicast+0x449/0x710 [ 3143.275559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.275559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.275559][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.275559][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.275559][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.275559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.275559][ T10] [ 3143.277515][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3143.277515][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.277515][ T10] ipv6_find_idev+0x102/0x170 [ 3143.277515][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.277515][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.277515][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.277515][ T10] netlink_unicast+0x449/0x710 [ 3143.277515][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.277515][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.277515][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.277515][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.277515][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.277515][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.277515][ T10] [ 3143.279026][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3143.279026][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.279026][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.279026][ T10] ipv6_find_idev+0x102/0x170 [ 3143.279026][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.279026][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.279026][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.279026][ T10] netlink_unicast+0x449/0x710 [ 3143.279026][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.279026][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.279026][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.279026][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.279026][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.279026][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.279026][ T10] [ 3143.281075][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3143.281333][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3143.281333][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.281333][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.281333][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.281333][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.281333][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.281333][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.281333][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.281333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.281333][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.281333][ T10] netlink_unicast+0x449/0x710 [ 3143.281333][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.281333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.281333][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.281333][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.281333][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.281333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.281333][ T10] [ 3143.283317][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3143.283317][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.283317][ T10] ipv6_find_idev+0x102/0x170 [ 3143.283317][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.283317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.283317][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.283317][ T10] netlink_unicast+0x449/0x710 [ 3143.283317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.283317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.283317][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.283317][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.283317][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.283317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.283317][ T10] [ 3143.284829][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3143.284829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.284829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.284829][ T10] ipv6_find_idev+0x102/0x170 [ 3143.284829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.284829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.284829][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.284829][ T10] netlink_unicast+0x449/0x710 [ 3143.284829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.284829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.284829][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.284829][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.284829][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.284829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.284829][ T10] [ 3143.286509][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3143.286766][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3143.286766][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.286766][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.286766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.286766][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.286766][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.286766][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.286766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.286766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.286766][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.286766][ T10] netlink_unicast+0x449/0x710 [ 3143.286766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.286766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.286766][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.286766][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.286766][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.286766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.286766][ T10] [ 3143.288790][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3143.288790][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.288790][ T10] ipv6_find_idev+0x102/0x170 [ 3143.288790][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.288790][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.288790][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.288790][ T10] netlink_unicast+0x449/0x710 [ 3143.288790][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.288790][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.288790][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.288790][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.288790][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.288790][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.288790][ T10] [ 3143.290546][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3143.290546][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.290546][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.290546][ T10] ipv6_find_idev+0x102/0x170 [ 3143.290546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.290546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.290546][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.290546][ T10] netlink_unicast+0x449/0x710 [ 3143.290546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.290546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.290546][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.290546][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.290546][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.290546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.290546][ T10] [ 3143.292454][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3143.292713][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3143.292713][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.292713][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.292713][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.292713][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.292713][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.292713][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.292713][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.292713][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.292713][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.292713][ T10] netlink_unicast+0x449/0x710 [ 3143.292713][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.292713][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.292713][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.292713][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.292713][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.292713][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.292713][ T10] [ 3143.294841][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3143.294841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.294841][ T10] ipv6_find_idev+0x102/0x170 [ 3143.294841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.294841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.294841][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.294841][ T10] netlink_unicast+0x449/0x710 [ 3143.294841][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.294841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.294841][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.294841][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.294841][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.294841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.294841][ T10] [ 3143.296524][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3143.296524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.296524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.296524][ T10] ipv6_find_idev+0x102/0x170 [ 3143.296524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.296524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.296524][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.296524][ T10] netlink_unicast+0x449/0x710 [ 3143.296524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.296524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.296524][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.296524][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.296524][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.296524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.296524][ T10] [ 3143.298504][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3143.298766][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3143.298766][ T10] netdev_get_by_index+0x5e/0x80 [ 3143.298766][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3143.298766][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3143.298766][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3143.298766][ T10] ipv6_add_addr+0x411/0x2000 [ 3143.298766][ T10] inet6_addr_add+0x30e/0xa40 [ 3143.298766][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3143.298766][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.298766][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.298766][ T10] netlink_unicast+0x449/0x710 [ 3143.298766][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.298766][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.298766][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.298766][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.298766][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.298766][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.298766][ T10] [ 3143.301362][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3143.301362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3143.301362][ T10] ipv6_find_idev+0x102/0x170 [ 3143.301362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.301362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.301362][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.301362][ T10] netlink_unicast+0x449/0x710 [ 3143.301362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.301362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.301362][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.301362][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.301362][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.301362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.301362][ T10] [ 3143.303046][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3143.303046][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3143.303046][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3143.303046][ T10] ipv6_find_idev+0x102/0x170 [ 3143.303046][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3143.303046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3143.303046][ T10] netlink_rcv_skb+0x130/0x360 [ 3143.303046][ T10] netlink_unicast+0x449/0x710 [ 3143.303046][ T10] netlink_sendmsg+0x723/0xbe0 [ 3143.303046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3143.303046][ T10] ___sys_sendmsg+0xee/0x170 [ 3143.303046][ T10] __sys_sendmsg+0xcd/0x170 [ 3143.303046][ T10] do_syscall_64+0xc6/0x1e0 [ 3143.303046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3143.303046][ T10] [ 3153.546981][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3153.547369][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3153.547369][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.547369][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.547369][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.547369][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.547369][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.547369][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.547369][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.547369][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.547369][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.547369][ T10] netlink_unicast+0x449/0x710 [ 3153.547369][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.547369][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.547369][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.547369][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.547369][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.547369][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.547369][ T10] [ 3153.549353][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3153.549353][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.549353][ T10] ipv6_find_idev+0x102/0x170 [ 3153.549353][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.549353][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.549353][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.549353][ T10] netlink_unicast+0x449/0x710 [ 3153.549353][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.549353][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.549353][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.549353][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.549353][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.549353][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.549353][ T10] [ 3153.550869][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3153.550869][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.550869][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.550869][ T10] ipv6_find_idev+0x102/0x170 [ 3153.550869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.550869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.550869][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.550869][ T10] netlink_unicast+0x449/0x710 [ 3153.550869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.550869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.550869][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.550869][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.550869][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.550869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.550869][ T10] [ 3153.552531][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3153.552794][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3153.552794][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.552794][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.552794][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.552794][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.552794][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.552794][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.552794][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.552794][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.552794][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.552794][ T10] netlink_unicast+0x449/0x710 [ 3153.552794][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.552794][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.552794][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.552794][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.552794][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.552794][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.552794][ T10] [ 3153.554752][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3153.554752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.554752][ T10] ipv6_find_idev+0x102/0x170 [ 3153.554752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.554752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.554752][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.554752][ T10] netlink_unicast+0x449/0x710 [ 3153.554752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.554752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.554752][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.554752][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.554752][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.554752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.554752][ T10] [ 3153.556274][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3153.556274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.556274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.556274][ T10] ipv6_find_idev+0x102/0x170 [ 3153.556274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.556274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.556274][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.556274][ T10] netlink_unicast+0x449/0x710 [ 3153.556274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.556274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.556274][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.556274][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.556274][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.556274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.556274][ T10] [ 3153.557937][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3153.558208][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3153.558208][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.558208][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.558208][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.558208][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.558208][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.558208][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.558208][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.558208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.558208][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.558208][ T10] netlink_unicast+0x449/0x710 [ 3153.558208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.558208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.558208][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.558208][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.558208][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.558208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.558208][ T10] [ 3153.560207][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3153.560207][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.560207][ T10] ipv6_find_idev+0x102/0x170 [ 3153.560207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.560207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.560207][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.560207][ T10] netlink_unicast+0x449/0x710 [ 3153.560207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.560207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.560207][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.560207][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.560207][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.560207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.560207][ T10] [ 3153.561716][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3153.561716][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.561716][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.561716][ T10] ipv6_find_idev+0x102/0x170 [ 3153.561716][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.561716][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.561716][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.561716][ T10] netlink_unicast+0x449/0x710 [ 3153.561716][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.561716][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.561716][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.561716][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.561716][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.561716][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.561716][ T10] [ 3153.563367][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3153.563625][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3153.563625][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.563625][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.563625][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.563625][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.563625][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.563625][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.563625][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.563625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.563625][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.563625][ T10] netlink_unicast+0x449/0x710 [ 3153.563625][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.563625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.563625][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.563625][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.563625][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.563625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.563625][ T10] [ 3153.565610][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3153.565610][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.565610][ T10] ipv6_find_idev+0x102/0x170 [ 3153.565610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.565610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.565610][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.565610][ T10] netlink_unicast+0x449/0x710 [ 3153.565610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.565610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.565610][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.565610][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.565610][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.565610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.565610][ T10] [ 3153.567114][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3153.567114][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.567114][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.567114][ T10] ipv6_find_idev+0x102/0x170 [ 3153.567114][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.567114][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.567114][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.567114][ T10] netlink_unicast+0x449/0x710 [ 3153.567114][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.567114][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.567114][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.567114][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.567114][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.567114][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.567114][ T10] [ 3153.569186][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3153.569446][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3153.569446][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.569446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.569446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.569446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.569446][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.569446][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.569446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.569446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.569446][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.569446][ T10] netlink_unicast+0x449/0x710 [ 3153.569446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.569446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.569446][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.569446][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.569446][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.569446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.569446][ T10] [ 3153.571388][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3153.571388][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.571388][ T10] ipv6_find_idev+0x102/0x170 [ 3153.571388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.571388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.571388][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.571388][ T10] netlink_unicast+0x449/0x710 [ 3153.571388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.571388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.571388][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.571388][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.571388][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.571388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.571388][ T10] [ 3153.572890][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3153.572890][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.572890][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.572890][ T10] ipv6_find_idev+0x102/0x170 [ 3153.572890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.572890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.572890][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.572890][ T10] netlink_unicast+0x449/0x710 [ 3153.572890][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.572890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.572890][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.572890][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.572890][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.572890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.572890][ T10] [ 3153.574563][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3153.574825][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3153.574825][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.574825][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.574825][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.574825][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.574825][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.574825][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.574825][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.574825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.574825][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.574825][ T10] netlink_unicast+0x449/0x710 [ 3153.574825][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.574825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.574825][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.574825][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.574825][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.574825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.574825][ T10] [ 3153.576840][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3153.576840][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.576840][ T10] ipv6_find_idev+0x102/0x170 [ 3153.576840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.576840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.576840][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.576840][ T10] netlink_unicast+0x449/0x710 [ 3153.576840][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.576840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.576840][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.576840][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.576840][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.576840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.576840][ T10] [ 3153.578602][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3153.578602][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.578602][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.578602][ T10] ipv6_find_idev+0x102/0x170 [ 3153.578602][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.578602][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.578602][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.578602][ T10] netlink_unicast+0x449/0x710 [ 3153.578602][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.578602][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.578602][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.578602][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.578602][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.578602][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.578602][ T10] [ 3153.580473][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3153.580733][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3153.580733][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.580733][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.580733][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.580733][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.580733][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.580733][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.580733][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.580733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.580733][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.580733][ T10] netlink_unicast+0x449/0x710 [ 3153.580733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.580733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.580733][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.580733][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.580733][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.580733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.580733][ T10] [ 3153.582857][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3153.582857][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.582857][ T10] ipv6_find_idev+0x102/0x170 [ 3153.582857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.582857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.582857][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.582857][ T10] netlink_unicast+0x449/0x710 [ 3153.582857][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.582857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.582857][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.582857][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.582857][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.582857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.582857][ T10] [ 3153.584550][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3153.584550][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.584550][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.584550][ T10] ipv6_find_idev+0x102/0x170 [ 3153.584550][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.584550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.584550][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.584550][ T10] netlink_unicast+0x449/0x710 [ 3153.584550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.584550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.584550][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.584550][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.584550][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.584550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.584550][ T10] [ 3153.586916][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3153.587174][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3153.587174][ T10] netdev_get_by_index+0x5e/0x80 [ 3153.587174][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3153.587174][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3153.587174][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3153.587174][ T10] ipv6_add_addr+0x411/0x2000 [ 3153.587174][ T10] inet6_addr_add+0x30e/0xa40 [ 3153.587174][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3153.587174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.587174][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.587174][ T10] netlink_unicast+0x449/0x710 [ 3153.587174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.587174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.587174][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.587174][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.587174][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.587174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.587174][ T10] [ 3153.589454][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3153.589454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3153.589454][ T10] ipv6_find_idev+0x102/0x170 [ 3153.589454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.589454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.589454][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.589454][ T10] netlink_unicast+0x449/0x710 [ 3153.589454][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.589454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.589454][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.589454][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.589454][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.589454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.589454][ T10] [ 3153.591138][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3153.591138][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3153.591138][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3153.591138][ T10] ipv6_find_idev+0x102/0x170 [ 3153.591138][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3153.591138][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3153.591138][ T10] netlink_rcv_skb+0x130/0x360 [ 3153.591138][ T10] netlink_unicast+0x449/0x710 [ 3153.591138][ T10] netlink_sendmsg+0x723/0xbe0 [ 3153.591138][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3153.591138][ T10] ___sys_sendmsg+0xee/0x170 [ 3153.591138][ T10] __sys_sendmsg+0xcd/0x170 [ 3153.591138][ T10] do_syscall_64+0xc6/0x1e0 [ 3153.591138][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3153.591138][ T10] [ 3163.682926][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3163.683317][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3163.683317][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.683317][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.683317][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.683317][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.683317][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.683317][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.683317][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.683317][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.683317][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.683317][ T10] netlink_unicast+0x449/0x710 [ 3163.683317][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.683317][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.683317][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.683317][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.683317][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.683317][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.683317][ T10] [ 3163.685299][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3163.685299][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.685299][ T10] ipv6_find_idev+0x102/0x170 [ 3163.685299][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.685299][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.685299][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.685299][ T10] netlink_unicast+0x449/0x710 [ 3163.685299][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.685299][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.685299][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.685299][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.685299][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.685299][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.685299][ T10] [ 3163.686820][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3163.686820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.686820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.686820][ T10] ipv6_find_idev+0x102/0x170 [ 3163.686820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.686820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.686820][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.686820][ T10] netlink_unicast+0x449/0x710 [ 3163.686820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.686820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.686820][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.686820][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.686820][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.686820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.686820][ T10] [ 3163.688519][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3163.688785][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3163.688785][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.688785][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.688785][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.688785][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.688785][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.688785][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.688785][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.688785][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.688785][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.688785][ T10] netlink_unicast+0x449/0x710 [ 3163.688785][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.688785][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.688785][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.688785][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.688785][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.688785][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.688785][ T10] [ 3163.690752][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3163.690752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.690752][ T10] ipv6_find_idev+0x102/0x170 [ 3163.690752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.690752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.690752][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.690752][ T10] netlink_unicast+0x449/0x710 [ 3163.690752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.690752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.690752][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.690752][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.690752][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.690752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.690752][ T10] [ 3163.692270][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3163.692270][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.692270][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.692270][ T10] ipv6_find_idev+0x102/0x170 [ 3163.692270][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.692270][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.692270][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.692270][ T10] netlink_unicast+0x449/0x710 [ 3163.692270][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.692270][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.692270][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.692270][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.692270][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.692270][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.692270][ T10] [ 3163.693950][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3163.694211][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3163.694211][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.694211][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.694211][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.694211][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.694211][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.694211][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.694211][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.694211][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.694211][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.694211][ T10] netlink_unicast+0x449/0x710 [ 3163.694211][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.694211][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.694211][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.694211][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.694211][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.694211][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.694211][ T10] [ 3163.709474][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3163.709474][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.709474][ T10] ipv6_find_idev+0x102/0x170 [ 3163.709474][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.709474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.709474][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.709474][ T10] netlink_unicast+0x449/0x710 [ 3163.709474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.709474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.709474][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.709474][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.709474][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.709474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.709474][ T10] [ 3163.711025][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3163.711025][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.711025][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.711025][ T10] ipv6_find_idev+0x102/0x170 [ 3163.711025][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.711025][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.711025][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.711025][ T10] netlink_unicast+0x449/0x710 [ 3163.711025][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.711025][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.711025][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.711025][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.711025][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.711025][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.711025][ T10] [ 3163.712691][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3163.713392][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3163.713392][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.713392][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.713392][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.713392][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.713392][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.713392][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.713392][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.713392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.713392][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.713392][ T10] netlink_unicast+0x449/0x710 [ 3163.713392][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.713392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.713392][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.713392][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.713392][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.713392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.713392][ T10] [ 3163.715362][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3163.715362][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.715362][ T10] ipv6_find_idev+0x102/0x170 [ 3163.715362][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.715362][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.715362][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.715362][ T10] netlink_unicast+0x449/0x710 [ 3163.715362][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.715362][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.715362][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.715362][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.715362][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.715362][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.715362][ T10] [ 3163.716866][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3163.716866][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.716866][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.716866][ T10] ipv6_find_idev+0x102/0x170 [ 3163.716866][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.716866][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.716866][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.716866][ T10] netlink_unicast+0x449/0x710 [ 3163.716866][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.716866][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.716866][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.716866][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.716866][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.716866][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.716866][ T10] [ 3163.718567][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3163.718826][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3163.718826][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.718826][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.718826][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.718826][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.718826][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.718826][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.718826][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.718826][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.718826][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.718826][ T10] netlink_unicast+0x449/0x710 [ 3163.718826][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.718826][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.718826][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.718826][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.718826][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.718826][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.718826][ T10] [ 3163.720868][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3163.720868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.720868][ T10] ipv6_find_idev+0x102/0x170 [ 3163.720868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.720868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.720868][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.720868][ T10] netlink_unicast+0x449/0x710 [ 3163.720868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.720868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.720868][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.720868][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.720868][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.720868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.720868][ T10] [ 3163.722376][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3163.722376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.722376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.722376][ T10] ipv6_find_idev+0x102/0x170 [ 3163.722376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.722376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.722376][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.722376][ T10] netlink_unicast+0x449/0x710 [ 3163.722376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.722376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.722376][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.722376][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.722376][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.722376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.722376][ T10] [ 3163.724083][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3163.724345][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3163.724345][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.724345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.724345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.724345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.724345][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.724345][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.724345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.724345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.724345][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.724345][ T10] netlink_unicast+0x449/0x710 [ 3163.724345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.724345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.724345][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.724345][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.724345][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.724345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.724345][ T10] [ 3163.726363][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3163.726363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.726363][ T10] ipv6_find_idev+0x102/0x170 [ 3163.726363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.726363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.726363][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.726363][ T10] netlink_unicast+0x449/0x710 [ 3163.726363][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.726363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.726363][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.726363][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.726363][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.726363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.726363][ T10] [ 3163.727991][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3163.727991][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.727991][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.727991][ T10] ipv6_find_idev+0x102/0x170 [ 3163.727991][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.727991][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.727991][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.727991][ T10] netlink_unicast+0x449/0x710 [ 3163.727991][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.727991][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.727991][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.727991][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.727991][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.727991][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.727991][ T10] [ 3163.729802][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3163.730145][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3163.730145][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.730145][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.730145][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.730145][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.730145][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.730145][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.730145][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.730145][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.730145][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.730145][ T10] netlink_unicast+0x449/0x710 [ 3163.730145][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.730145][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.730145][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.730145][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.730145][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.730145][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.730145][ T10] [ 3163.732188][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3163.732188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.732188][ T10] ipv6_find_idev+0x102/0x170 [ 3163.732188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.732188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.732188][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.732188][ T10] netlink_unicast+0x449/0x710 [ 3163.732188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.732188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.732188][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.732188][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.732188][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.732188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.732188][ T10] [ 3163.733906][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3163.733906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.733906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.733906][ T10] ipv6_find_idev+0x102/0x170 [ 3163.733906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.733906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.733906][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.733906][ T10] netlink_unicast+0x449/0x710 [ 3163.733906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.733906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.733906][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.733906][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.733906][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.733906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.733906][ T10] [ 3163.735658][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3163.736021][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3163.736021][ T10] netdev_get_by_index+0x5e/0x80 [ 3163.736021][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3163.736021][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3163.736021][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3163.736021][ T10] ipv6_add_addr+0x411/0x2000 [ 3163.736021][ T10] inet6_addr_add+0x30e/0xa40 [ 3163.736021][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3163.736021][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.736021][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.736021][ T10] netlink_unicast+0x449/0x710 [ 3163.736021][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.736021][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.736021][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.736021][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.736021][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.736021][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.736021][ T10] [ 3163.738120][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3163.738120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3163.738120][ T10] ipv6_find_idev+0x102/0x170 [ 3163.738120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.738120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.738120][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.738120][ T10] netlink_unicast+0x449/0x710 [ 3163.738120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.738120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.738120][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.738120][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.738120][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.738120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.738120][ T10] [ 3163.739715][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3163.739715][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3163.739715][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3163.739715][ T10] ipv6_find_idev+0x102/0x170 [ 3163.739715][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3163.739715][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3163.739715][ T10] netlink_rcv_skb+0x130/0x360 [ 3163.739715][ T10] netlink_unicast+0x449/0x710 [ 3163.739715][ T10] netlink_sendmsg+0x723/0xbe0 [ 3163.739715][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3163.739715][ T10] ___sys_sendmsg+0xee/0x170 [ 3163.739715][ T10] __sys_sendmsg+0xcd/0x170 [ 3163.739715][ T10] do_syscall_64+0xc6/0x1e0 [ 3163.739715][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3163.739715][ T10] [ 3173.978914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3173.979330][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3173.979330][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.979330][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.979330][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.979330][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.979330][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.979330][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.979330][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.979330][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.979330][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.979330][ T10] netlink_unicast+0x449/0x710 [ 3173.979330][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.979330][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.979330][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.979330][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.979330][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.979330][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.979330][ T10] [ 3173.981757][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3173.981757][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.981757][ T10] ipv6_find_idev+0x102/0x170 [ 3173.981757][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.981757][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.981757][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.981757][ T10] netlink_unicast+0x449/0x710 [ 3173.981757][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.981757][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.981757][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.981757][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.981757][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.981757][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.981757][ T10] [ 3173.983274][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3173.983274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.983274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.983274][ T10] ipv6_find_idev+0x102/0x170 [ 3173.983274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.983274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.983274][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.983274][ T10] netlink_unicast+0x449/0x710 [ 3173.983274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.983274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.983274][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.983274][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.983274][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.983274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.983274][ T10] [ 3173.984946][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3173.985206][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3173.985206][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.985206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.985206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.985206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.985206][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.985206][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.985206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.985206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.985206][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.985206][ T10] netlink_unicast+0x449/0x710 [ 3173.985206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.985206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.985206][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.985206][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.985206][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.985206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.985206][ T10] [ 3173.987177][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3173.987177][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.987177][ T10] ipv6_find_idev+0x102/0x170 [ 3173.987177][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.987177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.987177][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.987177][ T10] netlink_unicast+0x449/0x710 [ 3173.987177][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.987177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.987177][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.987177][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.987177][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.987177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.987177][ T10] [ 3173.988711][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3173.988711][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.988711][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.988711][ T10] ipv6_find_idev+0x102/0x170 [ 3173.988711][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.988711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.988711][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.988711][ T10] netlink_unicast+0x449/0x710 [ 3173.988711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.988711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.988711][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.988711][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.988711][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.988711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.988711][ T10] [ 3173.990368][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3173.990735][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3173.990735][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.990735][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.990735][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.990735][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.990735][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.990735][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.990735][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.990735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.990735][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.990735][ T10] netlink_unicast+0x449/0x710 [ 3173.990735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.990735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.990735][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.990735][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.990735][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.990735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.990735][ T10] [ 3173.993498][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3173.993498][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.993498][ T10] ipv6_find_idev+0x102/0x170 [ 3173.993498][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.993498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.993498][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.993498][ T10] netlink_unicast+0x449/0x710 [ 3173.993498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.993498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.993498][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.993498][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.993498][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.993498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.993498][ T10] [ 3173.995076][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3173.995076][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3173.995076][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3173.995076][ T10] ipv6_find_idev+0x102/0x170 [ 3173.995076][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.995076][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.995076][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.995076][ T10] netlink_unicast+0x449/0x710 [ 3173.995076][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.995076][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.995076][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.995076][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.995076][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.995076][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.995076][ T10] [ 3173.996758][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3173.997453][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3173.997453][ T10] netdev_get_by_index+0x5e/0x80 [ 3173.997453][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3173.997453][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3173.997453][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3173.997453][ T10] ipv6_add_addr+0x411/0x2000 [ 3173.997453][ T10] inet6_addr_add+0x30e/0xa40 [ 3173.997453][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3173.997453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.997453][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.997453][ T10] netlink_unicast+0x449/0x710 [ 3173.997453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.997453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.997453][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.997453][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.997453][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.997453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.997453][ T10] [ 3173.999422][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3173.999422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3173.999422][ T10] ipv6_find_idev+0x102/0x170 [ 3173.999422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3173.999422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3173.999422][ T10] netlink_rcv_skb+0x130/0x360 [ 3173.999422][ T10] netlink_unicast+0x449/0x710 [ 3173.999422][ T10] netlink_sendmsg+0x723/0xbe0 [ 3173.999422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3173.999422][ T10] ___sys_sendmsg+0xee/0x170 [ 3173.999422][ T10] __sys_sendmsg+0xcd/0x170 [ 3173.999422][ T10] do_syscall_64+0xc6/0x1e0 [ 3173.999422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3173.999422][ T10] [ 3174.000947][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3174.000947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3174.000947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3174.000947][ T10] ipv6_find_idev+0x102/0x170 [ 3174.000947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.000947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.000947][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.000947][ T10] netlink_unicast+0x449/0x710 [ 3174.000947][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.000947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.000947][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.000947][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.000947][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.000947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.000947][ T10] [ 3174.002647][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3174.002961][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3174.002961][ T10] netdev_get_by_index+0x5e/0x80 [ 3174.002961][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3174.002961][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3174.002961][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3174.002961][ T10] ipv6_add_addr+0x411/0x2000 [ 3174.002961][ T10] inet6_addr_add+0x30e/0xa40 [ 3174.002961][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.002961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.002961][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.002961][ T10] netlink_unicast+0x449/0x710 [ 3174.002961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.002961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.002961][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.002961][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.002961][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.002961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.002961][ T10] [ 3174.005148][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3174.005148][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3174.005148][ T10] ipv6_find_idev+0x102/0x170 [ 3174.005148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.005148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.005148][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.005148][ T10] netlink_unicast+0x449/0x710 [ 3174.005148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.005148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.005148][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.005148][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.005148][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.005148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.005148][ T10] [ 3174.006664][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3174.006664][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3174.006664][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3174.006664][ T10] ipv6_find_idev+0x102/0x170 [ 3174.006664][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.006664][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.006664][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.006664][ T10] netlink_unicast+0x449/0x710 [ 3174.006664][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.006664][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.006664][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.006664][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.006664][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.006664][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.006664][ T10] [ 3174.008354][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3174.008611][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3174.008611][ T10] netdev_get_by_index+0x5e/0x80 [ 3174.008611][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3174.008611][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3174.008611][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3174.008611][ T10] ipv6_add_addr+0x411/0x2000 [ 3174.008611][ T10] inet6_addr_add+0x30e/0xa40 [ 3174.008611][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.008611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.008611][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.008611][ T10] netlink_unicast+0x449/0x710 [ 3174.008611][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.008611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.008611][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.008611][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.008611][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.008611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.008611][ T10] [ 3174.010627][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3174.010627][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3174.010627][ T10] ipv6_find_idev+0x102/0x170 [ 3174.010627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.010627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.010627][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.010627][ T10] netlink_unicast+0x449/0x710 [ 3174.010627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.010627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.010627][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.010627][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.010627][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.010627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.010627][ T10] [ 3174.012303][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3174.012303][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3174.012303][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3174.012303][ T10] ipv6_find_idev+0x102/0x170 [ 3174.012303][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.012303][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.012303][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.012303][ T10] netlink_unicast+0x449/0x710 [ 3174.012303][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.012303][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.012303][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.012303][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.012303][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.012303][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.012303][ T10] [ 3174.014227][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3174.014485][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3174.014485][ T10] netdev_get_by_index+0x5e/0x80 [ 3174.014485][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3174.014485][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3174.014485][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3174.014485][ T10] ipv6_add_addr+0x411/0x2000 [ 3174.014485][ T10] inet6_addr_add+0x30e/0xa40 [ 3174.014485][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.014485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.014485][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.014485][ T10] netlink_unicast+0x449/0x710 [ 3174.014485][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.014485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.014485][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.014485][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.014485][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.014485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.014485][ T10] [ 3174.016672][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3174.016672][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3174.016672][ T10] ipv6_find_idev+0x102/0x170 [ 3174.016672][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.016672][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.016672][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.016672][ T10] netlink_unicast+0x449/0x710 [ 3174.016672][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.016672][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.016672][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.016672][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.016672][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.016672][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.016672][ T10] [ 3174.018358][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3174.018358][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3174.018358][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3174.018358][ T10] ipv6_find_idev+0x102/0x170 [ 3174.018358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.018358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.018358][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.018358][ T10] netlink_unicast+0x449/0x710 [ 3174.018358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.018358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.018358][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.018358][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.018358][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.018358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.018358][ T10] [ 3174.020212][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3174.020471][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3174.020471][ T10] netdev_get_by_index+0x5e/0x80 [ 3174.020471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3174.020471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3174.020471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3174.020471][ T10] ipv6_add_addr+0x411/0x2000 [ 3174.020471][ T10] inet6_addr_add+0x30e/0xa40 [ 3174.020471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3174.020471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.020471][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.020471][ T10] netlink_unicast+0x449/0x710 [ 3174.020471][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.020471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.020471][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.020471][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.020471][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.020471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.020471][ T10] [ 3174.022609][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3174.022609][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3174.022609][ T10] ipv6_find_idev+0x102/0x170 [ 3174.022609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.022609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.022609][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.022609][ T10] netlink_unicast+0x449/0x710 [ 3174.022609][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.022609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.022609][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.022609][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.022609][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.022609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.022609][ T10] [ 3174.024347][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3174.024347][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3174.024347][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3174.024347][ T10] ipv6_find_idev+0x102/0x170 [ 3174.024347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3174.024347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3174.024347][ T10] netlink_rcv_skb+0x130/0x360 [ 3174.024347][ T10] netlink_unicast+0x449/0x710 [ 3174.024347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3174.024347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3174.024347][ T10] ___sys_sendmsg+0xee/0x170 [ 3174.024347][ T10] __sys_sendmsg+0xcd/0x170 [ 3174.024347][ T10] do_syscall_64+0xc6/0x1e0 [ 3174.024347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3174.024347][ T10] [ 3184.266987][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3184.267438][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3184.267438][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.267438][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.267438][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.267438][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.267438][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.267438][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.267438][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.267438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.267438][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.267438][ T10] netlink_unicast+0x449/0x710 [ 3184.267438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.267438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.267438][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.267438][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.267438][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.267438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.267438][ T10] [ 3184.269917][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3184.269917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.269917][ T10] ipv6_find_idev+0x102/0x170 [ 3184.269917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.269917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.269917][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.269917][ T10] netlink_unicast+0x449/0x710 [ 3184.269917][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.269917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.269917][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.269917][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.269917][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.269917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.269917][ T10] [ 3184.271815][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3184.271815][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.271815][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.271815][ T10] ipv6_find_idev+0x102/0x170 [ 3184.271815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.271815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.271815][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.271815][ T10] netlink_unicast+0x449/0x710 [ 3184.271815][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.271815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.271815][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.271815][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.271815][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.271815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.271815][ T10] [ 3184.273901][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3184.274237][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3184.274237][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.274237][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.274237][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.274237][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.274237][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.274237][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.274237][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.274237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.274237][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.274237][ T10] netlink_unicast+0x449/0x710 [ 3184.274237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.274237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.274237][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.274237][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.274237][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.274237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.274237][ T10] [ 3184.276709][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3184.276709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.276709][ T10] ipv6_find_idev+0x102/0x170 [ 3184.276709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.276709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.276709][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.276709][ T10] netlink_unicast+0x449/0x710 [ 3184.276709][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.276709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.276709][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.276709][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.276709][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.276709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.276709][ T10] [ 3184.278609][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3184.278609][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.278609][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.278609][ T10] ipv6_find_idev+0x102/0x170 [ 3184.278609][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.278609][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.278609][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.278609][ T10] netlink_unicast+0x449/0x710 [ 3184.278609][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.278609][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.278609][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.278609][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.278609][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.278609][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.278609][ T10] [ 3184.280680][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3184.281003][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3184.281003][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.281003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.281003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.281003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.281003][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.281003][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.281003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.281003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.281003][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.281003][ T10] netlink_unicast+0x449/0x710 [ 3184.281003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.281003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.281003][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.281003][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.281003][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.281003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.281003][ T10] [ 3184.283608][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3184.283608][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.283608][ T10] ipv6_find_idev+0x102/0x170 [ 3184.283608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.283608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.283608][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.283608][ T10] netlink_unicast+0x449/0x710 [ 3184.283608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.283608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.283608][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.283608][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.283608][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.283608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.283608][ T10] [ 3184.285505][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3184.285505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.285505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.285505][ T10] ipv6_find_idev+0x102/0x170 [ 3184.285505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.285505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.285505][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.285505][ T10] netlink_unicast+0x449/0x710 [ 3184.285505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.285505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.285505][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.285505][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.285505][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.285505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.285505][ T10] [ 3184.287573][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3184.288338][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3184.288338][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.288338][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.288338][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.288338][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.288338][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.288338][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.288338][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.288338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.288338][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.288338][ T10] netlink_unicast+0x449/0x710 [ 3184.288338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.288338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.288338][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.288338][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.288338][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.288338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.288338][ T10] [ 3184.290793][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3184.290793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.290793][ T10] ipv6_find_idev+0x102/0x170 [ 3184.290793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.290793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.290793][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.290793][ T10] netlink_unicast+0x449/0x710 [ 3184.290793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.290793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.290793][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.290793][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.290793][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.290793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.290793][ T10] [ 3184.292706][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3184.292706][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.292706][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.292706][ T10] ipv6_find_idev+0x102/0x170 [ 3184.292706][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.292706][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.292706][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.292706][ T10] netlink_unicast+0x449/0x710 [ 3184.292706][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.292706][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.292706][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.292706][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.292706][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.292706][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.292706][ T10] [ 3184.294821][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3184.295194][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3184.295194][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.295194][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.295194][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.295194][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.295194][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.295194][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.295194][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.295194][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.295194][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.295194][ T10] netlink_unicast+0x449/0x710 [ 3184.295194][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.295194][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.295194][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.295194][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.295194][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.295194][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.295194][ T10] [ 3184.298097][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3184.298097][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.298097][ T10] ipv6_find_idev+0x102/0x170 [ 3184.298097][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.298097][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.298097][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.298097][ T10] netlink_unicast+0x449/0x710 [ 3184.298097][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.298097][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.298097][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.298097][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.298097][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.298097][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.298097][ T10] [ 3184.300335][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3184.300335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.300335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.300335][ T10] ipv6_find_idev+0x102/0x170 [ 3184.300335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.300335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.300335][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.300335][ T10] netlink_unicast+0x449/0x710 [ 3184.300335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.300335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.300335][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.300335][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.300335][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.300335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.300335][ T10] [ 3184.302825][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3184.303193][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3184.303193][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.303193][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.303193][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.303193][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.303193][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.303193][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.303193][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.303193][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.303193][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.303193][ T10] netlink_unicast+0x449/0x710 [ 3184.303193][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.303193][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.303193][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.303193][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.303193][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.303193][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.303193][ T10] [ 3184.306121][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3184.306121][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.306121][ T10] ipv6_find_idev+0x102/0x170 [ 3184.306121][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.306121][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.306121][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.306121][ T10] netlink_unicast+0x449/0x710 [ 3184.306121][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.306121][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.306121][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.306121][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.306121][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.306121][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.306121][ T10] [ 3184.308539][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3184.308539][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.308539][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.308539][ T10] ipv6_find_idev+0x102/0x170 [ 3184.308539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.308539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.308539][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.308539][ T10] netlink_unicast+0x449/0x710 [ 3184.308539][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.308539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.308539][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.308539][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.308539][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.308539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.308539][ T10] [ 3184.311149][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3184.311488][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3184.311488][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.311488][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.311488][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.311488][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.311488][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.311488][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.311488][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.311488][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.311488][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.311488][ T10] netlink_unicast+0x449/0x710 [ 3184.311488][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.311488][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.311488][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.311488][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.311488][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.311488][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.311488][ T10] [ 3184.314687][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3184.314687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.314687][ T10] ipv6_find_idev+0x102/0x170 [ 3184.314687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.314687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.314687][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.314687][ T10] netlink_unicast+0x449/0x710 [ 3184.314687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.314687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.314687][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.314687][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.314687][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.314687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.314687][ T10] [ 3184.317047][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3184.317047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.317047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.317047][ T10] ipv6_find_idev+0x102/0x170 [ 3184.317047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.317047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.317047][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.317047][ T10] netlink_unicast+0x449/0x710 [ 3184.317047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.317047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.317047][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.317047][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.317047][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.317047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.317047][ T10] [ 3184.319710][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3184.320103][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3184.320103][ T10] netdev_get_by_index+0x5e/0x80 [ 3184.320103][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3184.320103][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3184.320103][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3184.320103][ T10] ipv6_add_addr+0x411/0x2000 [ 3184.320103][ T10] inet6_addr_add+0x30e/0xa40 [ 3184.320103][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3184.320103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.320103][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.320103][ T10] netlink_unicast+0x449/0x710 [ 3184.320103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.320103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.320103][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.320103][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.320103][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.320103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.320103][ T10] [ 3184.323208][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3184.323208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3184.323208][ T10] ipv6_find_idev+0x102/0x170 [ 3184.323208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.323208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.323208][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.323208][ T10] netlink_unicast+0x449/0x710 [ 3184.323208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.323208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.323208][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.323208][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.323208][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.323208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.323208][ T10] [ 3184.325641][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3184.325641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3184.325641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3184.325641][ T10] ipv6_find_idev+0x102/0x170 [ 3184.325641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3184.325641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3184.325641][ T10] netlink_rcv_skb+0x130/0x360 [ 3184.325641][ T10] netlink_unicast+0x449/0x710 [ 3184.325641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3184.325641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3184.325641][ T10] ___sys_sendmsg+0xee/0x170 [ 3184.325641][ T10] __sys_sendmsg+0xcd/0x170 [ 3184.325641][ T10] do_syscall_64+0xc6/0x1e0 [ 3184.325641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3184.325641][ T10] [ 3194.570928][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3194.571388][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3194.571388][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.571388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.571388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.571388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.571388][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.571388][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.571388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.571388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.571388][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.571388][ T10] netlink_unicast+0x449/0x710 [ 3194.571388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.571388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.571388][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.571388][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.571388][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.571388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.571388][ T10] [ 3194.573349][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3194.573349][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.573349][ T10] ipv6_find_idev+0x102/0x170 [ 3194.573349][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.573349][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.573349][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.573349][ T10] netlink_unicast+0x449/0x710 [ 3194.573349][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.573349][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.573349][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.573349][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.573349][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.573349][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.573349][ T10] [ 3194.574857][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3194.574857][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.574857][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.574857][ T10] ipv6_find_idev+0x102/0x170 [ 3194.574857][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.574857][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.574857][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.574857][ T10] netlink_unicast+0x449/0x710 [ 3194.574857][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.574857][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.574857][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.574857][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.574857][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.574857][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.574857][ T10] [ 3194.576512][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3194.576783][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3194.576783][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.576783][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.576783][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.576783][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.576783][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.576783][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.576783][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.576783][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.576783][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.576783][ T10] netlink_unicast+0x449/0x710 [ 3194.576783][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.576783][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.576783][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.576783][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.576783][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.576783][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.576783][ T10] [ 3194.578738][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3194.578738][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.578738][ T10] ipv6_find_idev+0x102/0x170 [ 3194.578738][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.578738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.578738][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.578738][ T10] netlink_unicast+0x449/0x710 [ 3194.578738][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.578738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.578738][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.578738][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.578738][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.578738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.578738][ T10] [ 3194.580244][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3194.580244][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.580244][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.580244][ T10] ipv6_find_idev+0x102/0x170 [ 3194.580244][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.580244][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.580244][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.580244][ T10] netlink_unicast+0x449/0x710 [ 3194.580244][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.580244][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.580244][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.580244][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.580244][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.580244][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.580244][ T10] [ 3194.581891][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3194.582153][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3194.582153][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.582153][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.582153][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.582153][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.582153][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.582153][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.582153][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.582153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.582153][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.582153][ T10] netlink_unicast+0x449/0x710 [ 3194.582153][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.582153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.582153][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.582153][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.582153][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.582153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.582153][ T10] [ 3194.584099][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3194.584099][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.584099][ T10] ipv6_find_idev+0x102/0x170 [ 3194.584099][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.584099][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.584099][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.584099][ T10] netlink_unicast+0x449/0x710 [ 3194.584099][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.584099][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.584099][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.584099][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.584099][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.584099][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.584099][ T10] [ 3194.585597][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3194.585597][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.585597][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.585597][ T10] ipv6_find_idev+0x102/0x170 [ 3194.585597][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.585597][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.585597][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.585597][ T10] netlink_unicast+0x449/0x710 [ 3194.585597][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.585597][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.585597][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.585597][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.585597][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.585597][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.585597][ T10] [ 3194.587248][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3194.587513][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3194.587513][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.587513][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.587513][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.587513][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.587513][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.587513][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.587513][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.587513][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.587513][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.587513][ T10] netlink_unicast+0x449/0x710 [ 3194.587513][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.587513][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.587513][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.587513][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.587513][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.587513][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.587513][ T10] [ 3194.589472][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3194.589472][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.589472][ T10] ipv6_find_idev+0x102/0x170 [ 3194.589472][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.589472][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.589472][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.589472][ T10] netlink_unicast+0x449/0x710 [ 3194.589472][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.589472][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.589472][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.589472][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.589472][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.589472][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.589472][ T10] [ 3194.590976][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3194.590976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.590976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.590976][ T10] ipv6_find_idev+0x102/0x170 [ 3194.590976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.590976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.590976][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.590976][ T10] netlink_unicast+0x449/0x710 [ 3194.590976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.590976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.590976][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.590976][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.590976][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.590976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.590976][ T10] [ 3194.593025][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3194.593286][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3194.593286][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.593286][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.593286][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.593286][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.593286][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.593286][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.593286][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.593286][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.593286][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.593286][ T10] netlink_unicast+0x449/0x710 [ 3194.593286][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.593286][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.593286][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.593286][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.593286][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.593286][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.593286][ T10] [ 3194.595243][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3194.595243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.595243][ T10] ipv6_find_idev+0x102/0x170 [ 3194.595243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.595243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.595243][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.595243][ T10] netlink_unicast+0x449/0x710 [ 3194.595243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.595243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.595243][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.595243][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.595243][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.595243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.595243][ T10] [ 3194.596752][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3194.596752][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.596752][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.596752][ T10] ipv6_find_idev+0x102/0x170 [ 3194.596752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.596752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.596752][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.596752][ T10] netlink_unicast+0x449/0x710 [ 3194.596752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.596752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.596752][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.596752][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.596752][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.596752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.596752][ T10] [ 3194.598447][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3194.598702][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3194.598702][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.598702][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.598702][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.598702][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.598702][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.598702][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.598702][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.598702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.598702][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.598702][ T10] netlink_unicast+0x449/0x710 [ 3194.598702][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.598702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.598702][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.598702][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.598702][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.598702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.598702][ T10] [ 3194.600793][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3194.600793][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.600793][ T10] ipv6_find_idev+0x102/0x170 [ 3194.600793][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.600793][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.600793][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.600793][ T10] netlink_unicast+0x449/0x710 [ 3194.600793][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.600793][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.600793][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.600793][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.600793][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.600793][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.600793][ T10] [ 3194.602534][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3194.602534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.602534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.602534][ T10] ipv6_find_idev+0x102/0x170 [ 3194.602534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.602534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.602534][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.602534][ T10] netlink_unicast+0x449/0x710 [ 3194.602534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.602534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.602534][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.602534][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.602534][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.602534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.602534][ T10] [ 3194.604395][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3194.604651][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3194.604651][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.604651][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.604651][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.604651][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.604651][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.604651][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.604651][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.604651][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.604651][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.604651][ T10] netlink_unicast+0x449/0x710 [ 3194.604651][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.604651][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.604651][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.604651][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.604651][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.604651][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.604651][ T10] [ 3194.606845][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3194.606845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.606845][ T10] ipv6_find_idev+0x102/0x170 [ 3194.606845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.606845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.606845][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.606845][ T10] netlink_unicast+0x449/0x710 [ 3194.606845][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.606845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.606845][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.606845][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.606845][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.606845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.606845][ T10] [ 3194.608534][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3194.608534][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.608534][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.608534][ T10] ipv6_find_idev+0x102/0x170 [ 3194.608534][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.608534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.608534][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.608534][ T10] netlink_unicast+0x449/0x710 [ 3194.608534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.608534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.608534][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.608534][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.608534][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.608534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.608534][ T10] [ 3194.610396][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3194.610655][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3194.610655][ T10] netdev_get_by_index+0x5e/0x80 [ 3194.610655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3194.610655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3194.610655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3194.610655][ T10] ipv6_add_addr+0x411/0x2000 [ 3194.610655][ T10] inet6_addr_add+0x30e/0xa40 [ 3194.610655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3194.610655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.610655][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.610655][ T10] netlink_unicast+0x449/0x710 [ 3194.610655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.610655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.610655][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.610655][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.610655][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.610655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.610655][ T10] [ 3194.612904][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3194.612904][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3194.612904][ T10] ipv6_find_idev+0x102/0x170 [ 3194.612904][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.612904][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.612904][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.612904][ T10] netlink_unicast+0x449/0x710 [ 3194.612904][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.612904][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.612904][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.612904][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.612904][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.612904][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.612904][ T10] [ 3194.614588][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3194.614588][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3194.614588][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3194.614588][ T10] ipv6_find_idev+0x102/0x170 [ 3194.614588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3194.614588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3194.614588][ T10] netlink_rcv_skb+0x130/0x360 [ 3194.614588][ T10] netlink_unicast+0x449/0x710 [ 3194.614588][ T10] netlink_sendmsg+0x723/0xbe0 [ 3194.614588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3194.614588][ T10] ___sys_sendmsg+0xee/0x170 [ 3194.614588][ T10] __sys_sendmsg+0xcd/0x170 [ 3194.614588][ T10] do_syscall_64+0xc6/0x1e0 [ 3194.614588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3194.614588][ T10] [ 3204.858905][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3204.859318][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3204.859318][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.859318][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.859318][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.859318][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.859318][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.859318][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.859318][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.859318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.859318][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.859318][ T10] netlink_unicast+0x449/0x710 [ 3204.859318][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.859318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.859318][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.859318][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.859318][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.859318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.859318][ T10] [ 3204.861291][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3204.861291][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.861291][ T10] ipv6_find_idev+0x102/0x170 [ 3204.861291][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.861291][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.861291][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.861291][ T10] netlink_unicast+0x449/0x710 [ 3204.861291][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.861291][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.861291][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.861291][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.861291][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.861291][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.861291][ T10] [ 3204.862933][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3204.862933][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.862933][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.862933][ T10] ipv6_find_idev+0x102/0x170 [ 3204.862933][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.862933][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.862933][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.862933][ T10] netlink_unicast+0x449/0x710 [ 3204.862933][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.862933][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.862933][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.862933][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.862933][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.862933][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.862933][ T10] [ 3204.864602][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3204.864870][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3204.864870][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.864870][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.864870][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.864870][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.864870][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.864870][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.864870][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.864870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.864870][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.864870][ T10] netlink_unicast+0x449/0x710 [ 3204.864870][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.864870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.864870][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.864870][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.864870][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.864870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.864870][ T10] [ 3204.866838][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3204.866838][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.866838][ T10] ipv6_find_idev+0x102/0x170 [ 3204.866838][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.866838][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.866838][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.866838][ T10] netlink_unicast+0x449/0x710 [ 3204.866838][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.866838][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.866838][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.866838][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.866838][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.866838][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.866838][ T10] [ 3204.868361][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3204.868361][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.868361][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.868361][ T10] ipv6_find_idev+0x102/0x170 [ 3204.868361][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.868361][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.868361][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.868361][ T10] netlink_unicast+0x449/0x710 [ 3204.868361][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.868361][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.868361][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.868361][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.868361][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.868361][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.868361][ T10] [ 3204.870018][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3204.870275][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3204.870275][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.870275][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.870275][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.870275][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.870275][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.870275][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.870275][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.870275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.870275][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.870275][ T10] netlink_unicast+0x449/0x710 [ 3204.870275][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.870275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.870275][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.870275][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.870275][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.870275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.870275][ T10] [ 3204.872224][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3204.872224][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.872224][ T10] ipv6_find_idev+0x102/0x170 [ 3204.872224][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.872224][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.872224][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.872224][ T10] netlink_unicast+0x449/0x710 [ 3204.872224][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.872224][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.872224][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.872224][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.872224][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.872224][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.872224][ T10] [ 3204.873733][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3204.873733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.873733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.873733][ T10] ipv6_find_idev+0x102/0x170 [ 3204.873733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.873733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.873733][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.873733][ T10] netlink_unicast+0x449/0x710 [ 3204.873733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.873733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.873733][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.873733][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.873733][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.873733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.873733][ T10] [ 3204.875403][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3204.875661][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3204.875661][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.875661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.875661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.875661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.875661][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.875661][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.875661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.875661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.875661][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.875661][ T10] netlink_unicast+0x449/0x710 [ 3204.875661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.875661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.875661][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.875661][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.875661][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.875661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.875661][ T10] [ 3204.877603][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3204.877603][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.877603][ T10] ipv6_find_idev+0x102/0x170 [ 3204.877603][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.877603][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.877603][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.877603][ T10] netlink_unicast+0x449/0x710 [ 3204.877603][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.877603][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.877603][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.877603][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.877603][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.877603][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.877603][ T10] [ 3204.879135][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3204.879135][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.879135][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.879135][ T10] ipv6_find_idev+0x102/0x170 [ 3204.879135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.879135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.879135][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.879135][ T10] netlink_unicast+0x449/0x710 [ 3204.879135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.879135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.879135][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.879135][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.879135][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.879135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.879135][ T10] [ 3204.881200][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3204.881459][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3204.881459][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.881459][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.881459][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.881459][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.881459][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.881459][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.881459][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.881459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.881459][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.881459][ T10] netlink_unicast+0x449/0x710 [ 3204.881459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.881459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.881459][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.881459][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.881459][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.881459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.881459][ T10] [ 3204.883410][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3204.883410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.883410][ T10] ipv6_find_idev+0x102/0x170 [ 3204.883410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.883410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.883410][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.883410][ T10] netlink_unicast+0x449/0x710 [ 3204.883410][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.883410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.883410][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.883410][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.883410][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.883410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.883410][ T10] [ 3204.884913][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3204.884913][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.884913][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.884913][ T10] ipv6_find_idev+0x102/0x170 [ 3204.884913][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.884913][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.884913][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.884913][ T10] netlink_unicast+0x449/0x710 [ 3204.884913][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.884913][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.884913][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.884913][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.884913][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.884913][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.884913][ T10] [ 3204.886608][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3204.886871][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3204.886871][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.886871][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.886871][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.886871][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.886871][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.886871][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.886871][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.886871][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.886871][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.886871][ T10] netlink_unicast+0x449/0x710 [ 3204.886871][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.886871][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.886871][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.886871][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.886871][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.886871][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.886871][ T10] [ 3204.888960][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3204.888960][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.888960][ T10] ipv6_find_idev+0x102/0x170 [ 3204.888960][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.888960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.888960][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.888960][ T10] netlink_unicast+0x449/0x710 [ 3204.888960][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.888960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.888960][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.888960][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.888960][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.888960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.888960][ T10] [ 3204.890710][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3204.890710][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.890710][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.890710][ T10] ipv6_find_idev+0x102/0x170 [ 3204.890710][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.890710][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.890710][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.890710][ T10] netlink_unicast+0x449/0x710 [ 3204.890710][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.890710][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.890710][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.890710][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.890710][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.890710][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.890710][ T10] [ 3204.892580][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3204.892841][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3204.892841][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.892841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.892841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.892841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.892841][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.892841][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.892841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.892841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.892841][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.892841][ T10] netlink_unicast+0x449/0x710 [ 3204.892841][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.892841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.892841][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.892841][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.892841][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.892841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.892841][ T10] [ 3204.895032][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3204.895032][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.895032][ T10] ipv6_find_idev+0x102/0x170 [ 3204.895032][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.895032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.895032][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.895032][ T10] netlink_unicast+0x449/0x710 [ 3204.895032][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.895032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.895032][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.895032][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.895032][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.895032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.895032][ T10] [ 3204.896719][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3204.896719][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.896719][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.896719][ T10] ipv6_find_idev+0x102/0x170 [ 3204.896719][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.896719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.896719][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.896719][ T10] netlink_unicast+0x449/0x710 [ 3204.896719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.896719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.896719][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.896719][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.896719][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.896719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.896719][ T10] [ 3204.898586][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3204.898843][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3204.898843][ T10] netdev_get_by_index+0x5e/0x80 [ 3204.898843][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3204.898843][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3204.898843][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3204.898843][ T10] ipv6_add_addr+0x411/0x2000 [ 3204.898843][ T10] inet6_addr_add+0x30e/0xa40 [ 3204.898843][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3204.898843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.898843][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.898843][ T10] netlink_unicast+0x449/0x710 [ 3204.898843][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.898843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.898843][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.898843][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.898843][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.898843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.898843][ T10] [ 3204.901105][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3204.901105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3204.901105][ T10] ipv6_find_idev+0x102/0x170 [ 3204.901105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.901105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.901105][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.901105][ T10] netlink_unicast+0x449/0x710 [ 3204.901105][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.901105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.901105][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.901105][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.901105][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.901105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.901105][ T10] [ 3204.902789][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3204.902789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3204.902789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3204.902789][ T10] ipv6_find_idev+0x102/0x170 [ 3204.902789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3204.902789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3204.902789][ T10] netlink_rcv_skb+0x130/0x360 [ 3204.902789][ T10] netlink_unicast+0x449/0x710 [ 3204.902789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3204.902789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3204.902789][ T10] ___sys_sendmsg+0xee/0x170 [ 3204.902789][ T10] __sys_sendmsg+0xcd/0x170 [ 3204.902789][ T10] do_syscall_64+0xc6/0x1e0 [ 3204.902789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3204.902789][ T10] [ 3215.146941][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3215.147434][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3215.147434][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.147434][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.147434][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.147434][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.147434][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.147434][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.147434][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.147434][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.147434][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.147434][ T10] netlink_unicast+0x449/0x710 [ 3215.147434][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.147434][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.147434][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.147434][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.147434][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.147434][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.147434][ T10] [ 3215.149415][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3215.149415][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.149415][ T10] ipv6_find_idev+0x102/0x170 [ 3215.149415][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.149415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.149415][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.149415][ T10] netlink_unicast+0x449/0x710 [ 3215.149415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.149415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.149415][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.149415][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.149415][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.149415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.149415][ T10] [ 3215.151012][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3215.151012][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.151012][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.151012][ T10] ipv6_find_idev+0x102/0x170 [ 3215.151012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.151012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.151012][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.151012][ T10] netlink_unicast+0x449/0x710 [ 3215.151012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.151012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.151012][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.151012][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.151012][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.151012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.151012][ T10] [ 3215.152678][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3215.152960][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3215.152960][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.152960][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.152960][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.152960][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.152960][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.152960][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.152960][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.152960][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.152960][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.152960][ T10] netlink_unicast+0x449/0x710 [ 3215.152960][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.152960][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.152960][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.152960][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.152960][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.152960][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.152960][ T10] [ 3215.154954][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3215.154954][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.154954][ T10] ipv6_find_idev+0x102/0x170 [ 3215.154954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.154954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.154954][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.154954][ T10] netlink_unicast+0x449/0x710 [ 3215.154954][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.154954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.154954][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.154954][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.154954][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.154954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.154954][ T10] [ 3215.156458][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3215.156458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.156458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.156458][ T10] ipv6_find_idev+0x102/0x170 [ 3215.156458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.156458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.156458][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.156458][ T10] netlink_unicast+0x449/0x710 [ 3215.156458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.156458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.156458][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.156458][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.156458][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.156458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.156458][ T10] [ 3215.158127][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3215.158389][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3215.158389][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.158389][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.158389][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.158389][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.158389][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.158389][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.158389][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.158389][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.158389][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.158389][ T10] netlink_unicast+0x449/0x710 [ 3215.158389][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.158389][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.158389][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.158389][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.158389][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.158389][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.158389][ T10] [ 3215.160337][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3215.160337][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.160337][ T10] ipv6_find_idev+0x102/0x170 [ 3215.160337][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.160337][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.160337][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.160337][ T10] netlink_unicast+0x449/0x710 [ 3215.160337][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.160337][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.160337][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.160337][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.160337][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.160337][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.160337][ T10] [ 3215.166759][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3215.166759][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.166759][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.166759][ T10] ipv6_find_idev+0x102/0x170 [ 3215.166759][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.166759][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.166759][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.166759][ T10] netlink_unicast+0x449/0x710 [ 3215.166759][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.166759][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.166759][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.166759][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.166759][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.166759][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.166759][ T10] [ 3215.168450][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3215.168719][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3215.168719][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.168719][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.168719][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.168719][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.168719][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.168719][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.168719][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.168719][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.168719][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.168719][ T10] netlink_unicast+0x449/0x710 [ 3215.168719][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.168719][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.168719][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.168719][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.168719][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.168719][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.168719][ T10] [ 3215.170690][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3215.170690][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.170690][ T10] ipv6_find_idev+0x102/0x170 [ 3215.170690][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.170690][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.170690][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.170690][ T10] netlink_unicast+0x449/0x710 [ 3215.170690][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.170690][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.170690][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.170690][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.170690][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.170690][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.170690][ T10] [ 3215.172209][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3215.172209][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.172209][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.172209][ T10] ipv6_find_idev+0x102/0x170 [ 3215.172209][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.172209][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.172209][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.172209][ T10] netlink_unicast+0x449/0x710 [ 3215.172209][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.172209][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.172209][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.172209][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.172209][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.172209][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.172209][ T10] [ 3215.173922][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3215.174179][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3215.174179][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.174179][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.174179][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.174179][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.174179][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.174179][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.174179][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.174179][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.174179][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.174179][ T10] netlink_unicast+0x449/0x710 [ 3215.174179][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.174179][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.174179][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.174179][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.174179][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.174179][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.174179][ T10] [ 3215.176154][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3215.176154][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.176154][ T10] ipv6_find_idev+0x102/0x170 [ 3215.176154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.176154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.176154][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.176154][ T10] netlink_unicast+0x449/0x710 [ 3215.176154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.176154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.176154][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.176154][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.176154][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.176154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.176154][ T10] [ 3215.177668][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3215.177668][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.177668][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.177668][ T10] ipv6_find_idev+0x102/0x170 [ 3215.177668][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.177668][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.177668][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.177668][ T10] netlink_unicast+0x449/0x710 [ 3215.177668][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.177668][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.177668][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.177668][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.177668][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.177668][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.177668][ T10] [ 3215.179736][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3215.180051][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3215.180051][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.180051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.180051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.180051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.180051][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.180051][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.180051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.180051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.180051][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.180051][ T10] netlink_unicast+0x449/0x710 [ 3215.180051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.180051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.180051][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.180051][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.180051][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.180051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.180051][ T10] [ 3215.182214][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3215.182214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.182214][ T10] ipv6_find_idev+0x102/0x170 [ 3215.182214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.182214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.182214][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.182214][ T10] netlink_unicast+0x449/0x710 [ 3215.182214][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.182214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.182214][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.182214][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.182214][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.182214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.182214][ T10] [ 3215.183922][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3215.183922][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.183922][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.183922][ T10] ipv6_find_idev+0x102/0x170 [ 3215.183922][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.183922][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.183922][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.183922][ T10] netlink_unicast+0x449/0x710 [ 3215.183922][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.183922][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.183922][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.183922][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.183922][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.183922][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.183922][ T10] [ 3215.185793][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3215.186112][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3215.186112][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.186112][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.186112][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.186112][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.186112][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.186112][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.186112][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.186112][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.186112][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.186112][ T10] netlink_unicast+0x449/0x710 [ 3215.186112][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.186112][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.186112][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.186112][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.186112][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.186112][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.186112][ T10] [ 3215.188272][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3215.188272][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.188272][ T10] ipv6_find_idev+0x102/0x170 [ 3215.188272][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.188272][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.188272][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.188272][ T10] netlink_unicast+0x449/0x710 [ 3215.188272][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.188272][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.188272][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.188272][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.188272][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.188272][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.188272][ T10] [ 3215.189965][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3215.189965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.189965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.189965][ T10] ipv6_find_idev+0x102/0x170 [ 3215.189965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.189965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.189965][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.189965][ T10] netlink_unicast+0x449/0x710 [ 3215.189965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.189965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.189965][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.189965][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.189965][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.189965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.189965][ T10] [ 3215.191907][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3215.192177][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3215.192177][ T10] netdev_get_by_index+0x5e/0x80 [ 3215.192177][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3215.192177][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3215.192177][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3215.192177][ T10] ipv6_add_addr+0x411/0x2000 [ 3215.192177][ T10] inet6_addr_add+0x30e/0xa40 [ 3215.192177][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3215.192177][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.192177][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.192177][ T10] netlink_unicast+0x449/0x710 [ 3215.192177][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.192177][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.192177][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.192177][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.192177][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.192177][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.192177][ T10] [ 3215.194385][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3215.194385][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3215.194385][ T10] ipv6_find_idev+0x102/0x170 [ 3215.194385][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.194385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.194385][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.194385][ T10] netlink_unicast+0x449/0x710 [ 3215.194385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.194385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.194385][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.194385][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.194385][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.194385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.194385][ T10] [ 3215.196178][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3215.196178][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3215.196178][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3215.196178][ T10] ipv6_find_idev+0x102/0x170 [ 3215.196178][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3215.196178][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3215.196178][ T10] netlink_rcv_skb+0x130/0x360 [ 3215.196178][ T10] netlink_unicast+0x449/0x710 [ 3215.196178][ T10] netlink_sendmsg+0x723/0xbe0 [ 3215.196178][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3215.196178][ T10] ___sys_sendmsg+0xee/0x170 [ 3215.196178][ T10] __sys_sendmsg+0xcd/0x170 [ 3215.196178][ T10] do_syscall_64+0xc6/0x1e0 [ 3215.196178][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3215.196178][ T10] [ 3225.434972][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3225.435435][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3225.435435][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.435435][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.435435][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.435435][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.435435][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.435435][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.435435][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.435435][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.435435][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.435435][ T10] netlink_unicast+0x449/0x710 [ 3225.435435][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.435435][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.435435][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.435435][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.435435][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.435435][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.435435][ T10] [ 3225.437430][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3225.437430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.437430][ T10] ipv6_find_idev+0x102/0x170 [ 3225.437430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.437430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.437430][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.437430][ T10] netlink_unicast+0x449/0x710 [ 3225.437430][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.437430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.437430][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.437430][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.437430][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.437430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.437430][ T10] [ 3225.438968][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3225.438968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.438968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.438968][ T10] ipv6_find_idev+0x102/0x170 [ 3225.438968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.438968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.438968][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.438968][ T10] netlink_unicast+0x449/0x710 [ 3225.438968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.438968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.438968][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.438968][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.438968][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.438968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.438968][ T10] [ 3225.440633][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3225.440921][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3225.440921][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.440921][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.440921][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.440921][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.440921][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.440921][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.440921][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.440921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.440921][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.440921][ T10] netlink_unicast+0x449/0x710 [ 3225.440921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.440921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.440921][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.440921][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.440921][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.440921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.440921][ T10] [ 3225.442908][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3225.442908][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.442908][ T10] ipv6_find_idev+0x102/0x170 [ 3225.442908][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.442908][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.442908][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.442908][ T10] netlink_unicast+0x449/0x710 [ 3225.442908][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.442908][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.442908][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.442908][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.442908][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.442908][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.442908][ T10] [ 3225.444428][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3225.444428][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.444428][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.444428][ T10] ipv6_find_idev+0x102/0x170 [ 3225.444428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.444428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.444428][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.444428][ T10] netlink_unicast+0x449/0x710 [ 3225.444428][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.444428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.444428][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.444428][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.444428][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.444428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.444428][ T10] [ 3225.446095][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3225.446366][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3225.446366][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.446366][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.446366][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.446366][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.446366][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.446366][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.446366][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.446366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.446366][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.446366][ T10] netlink_unicast+0x449/0x710 [ 3225.446366][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.446366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.446366][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.446366][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.446366][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.446366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.446366][ T10] [ 3225.448332][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3225.448332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.448332][ T10] ipv6_find_idev+0x102/0x170 [ 3225.448332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.448332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.448332][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.448332][ T10] netlink_unicast+0x449/0x710 [ 3225.448332][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.448332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.448332][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.448332][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.448332][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.448332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.448332][ T10] [ 3225.449846][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3225.449846][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.449846][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.449846][ T10] ipv6_find_idev+0x102/0x170 [ 3225.449846][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.449846][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.449846][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.449846][ T10] netlink_unicast+0x449/0x710 [ 3225.449846][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.449846][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.449846][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.449846][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.449846][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.449846][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.449846][ T10] [ 3225.451492][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3225.451752][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3225.451752][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.451752][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.451752][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.451752][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.451752][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.451752][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.451752][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.451752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.451752][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.451752][ T10] netlink_unicast+0x449/0x710 [ 3225.451752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.451752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.451752][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.451752][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.451752][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.451752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.451752][ T10] [ 3225.453700][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3225.453700][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.453700][ T10] ipv6_find_idev+0x102/0x170 [ 3225.453700][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.453700][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.453700][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.453700][ T10] netlink_unicast+0x449/0x710 [ 3225.453700][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.453700][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.453700][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.453700][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.453700][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.453700][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.453700][ T10] [ 3225.455237][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3225.455237][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.455237][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.455237][ T10] ipv6_find_idev+0x102/0x170 [ 3225.455237][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.455237][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.455237][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.455237][ T10] netlink_unicast+0x449/0x710 [ 3225.455237][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.455237][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.455237][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.455237][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.455237][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.455237][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.455237][ T10] [ 3225.457291][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3225.457550][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3225.457550][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.457550][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.457550][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.457550][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.457550][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.457550][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.457550][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.457550][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.457550][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.457550][ T10] netlink_unicast+0x449/0x710 [ 3225.457550][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.457550][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.457550][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.457550][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.457550][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.457550][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.457550][ T10] [ 3225.459521][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3225.459521][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.459521][ T10] ipv6_find_idev+0x102/0x170 [ 3225.459521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.459521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.459521][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.459521][ T10] netlink_unicast+0x449/0x710 [ 3225.459521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.459521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.459521][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.459521][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.459521][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.459521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.459521][ T10] [ 3225.461043][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3225.461043][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.461043][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.461043][ T10] ipv6_find_idev+0x102/0x170 [ 3225.461043][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.461043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.461043][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.461043][ T10] netlink_unicast+0x449/0x710 [ 3225.461043][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.461043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.461043][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.461043][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.461043][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.461043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.461043][ T10] [ 3225.462744][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3225.463055][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3225.463055][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.463055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.463055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.463055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.463055][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.463055][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.463055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.463055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.463055][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.463055][ T10] netlink_unicast+0x449/0x710 [ 3225.463055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.463055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.463055][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.463055][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.463055][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.463055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.463055][ T10] [ 3225.465018][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3225.465018][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.465018][ T10] ipv6_find_idev+0x102/0x170 [ 3225.465018][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.465018][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.465018][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.465018][ T10] netlink_unicast+0x449/0x710 [ 3225.465018][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.465018][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.465018][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.465018][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.465018][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.465018][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.465018][ T10] [ 3225.466769][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3225.466769][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.466769][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.466769][ T10] ipv6_find_idev+0x102/0x170 [ 3225.466769][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.466769][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.466769][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.466769][ T10] netlink_unicast+0x449/0x710 [ 3225.466769][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.466769][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.466769][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.466769][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.466769][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.466769][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.466769][ T10] [ 3225.468693][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3225.469005][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3225.469005][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.469005][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.469005][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.469005][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.469005][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.469005][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.469005][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.469005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.469005][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.469005][ T10] netlink_unicast+0x449/0x710 [ 3225.469005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.469005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.469005][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.469005][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.469005][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.469005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.469005][ T10] [ 3225.471151][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3225.471151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.471151][ T10] ipv6_find_idev+0x102/0x170 [ 3225.471151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.471151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.471151][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.471151][ T10] netlink_unicast+0x449/0x710 [ 3225.471151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.471151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.471151][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.471151][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.471151][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.471151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.471151][ T10] [ 3225.472837][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3225.472837][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.472837][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.472837][ T10] ipv6_find_idev+0x102/0x170 [ 3225.472837][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.472837][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.472837][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.472837][ T10] netlink_unicast+0x449/0x710 [ 3225.472837][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.472837][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.472837][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.472837][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.472837][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.472837][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.472837][ T10] [ 3225.474704][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3225.475016][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3225.475016][ T10] netdev_get_by_index+0x5e/0x80 [ 3225.475016][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3225.475016][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3225.475016][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3225.475016][ T10] ipv6_add_addr+0x411/0x2000 [ 3225.475016][ T10] inet6_addr_add+0x30e/0xa40 [ 3225.475016][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3225.475016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.475016][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.475016][ T10] netlink_unicast+0x449/0x710 [ 3225.475016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.475016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.475016][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.475016][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.475016][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.475016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.475016][ T10] [ 3225.477212][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3225.477212][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3225.477212][ T10] ipv6_find_idev+0x102/0x170 [ 3225.477212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.477212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.477212][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.477212][ T10] netlink_unicast+0x449/0x710 [ 3225.477212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.477212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.477212][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.477212][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.477212][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.477212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.477212][ T10] [ 3225.478906][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3225.478906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3225.478906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3225.478906][ T10] ipv6_find_idev+0x102/0x170 [ 3225.478906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3225.478906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3225.478906][ T10] netlink_rcv_skb+0x130/0x360 [ 3225.478906][ T10] netlink_unicast+0x449/0x710 [ 3225.478906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3225.478906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3225.478906][ T10] ___sys_sendmsg+0xee/0x170 [ 3225.478906][ T10] __sys_sendmsg+0xcd/0x170 [ 3225.478906][ T10] do_syscall_64+0xc6/0x1e0 [ 3225.478906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3225.478906][ T10] [ 3235.723013][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3235.723471][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3235.723471][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.723471][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.723471][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.723471][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.723471][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.723471][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.723471][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.723471][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.723471][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.723471][ T10] netlink_unicast+0x449/0x710 [ 3235.723471][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.723471][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.723471][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.723471][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.723471][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.723471][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.723471][ T10] [ 3235.725437][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3235.725437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.725437][ T10] ipv6_find_idev+0x102/0x170 [ 3235.725437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.725437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.725437][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.725437][ T10] netlink_unicast+0x449/0x710 [ 3235.725437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.725437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.725437][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.725437][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.725437][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.725437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.725437][ T10] [ 3235.726949][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3235.726949][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.726949][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.726949][ T10] ipv6_find_idev+0x102/0x170 [ 3235.726949][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.726949][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.726949][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.726949][ T10] netlink_unicast+0x449/0x710 [ 3235.726949][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.726949][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.726949][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.726949][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.726949][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.726949][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.726949][ T10] [ 3235.728621][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3235.728911][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3235.728911][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.728911][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.728911][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.728911][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.728911][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.728911][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.728911][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.728911][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.728911][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.728911][ T10] netlink_unicast+0x449/0x710 [ 3235.728911][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.728911][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.728911][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.728911][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.728911][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.728911][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.728911][ T10] [ 3235.730978][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3235.730978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.730978][ T10] ipv6_find_idev+0x102/0x170 [ 3235.730978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.730978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.730978][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.730978][ T10] netlink_unicast+0x449/0x710 [ 3235.730978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.730978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.730978][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.730978][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.730978][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.730978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.730978][ T10] [ 3235.732494][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3235.732494][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.732494][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.732494][ T10] ipv6_find_idev+0x102/0x170 [ 3235.732494][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.732494][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.732494][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.732494][ T10] netlink_unicast+0x449/0x710 [ 3235.732494][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.732494][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.732494][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.732494][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.732494][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.732494][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.732494][ T10] [ 3235.734148][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3235.734412][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3235.734412][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.734412][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.734412][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.734412][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.734412][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.734412][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.734412][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.734412][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.734412][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.734412][ T10] netlink_unicast+0x449/0x710 [ 3235.734412][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.734412][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.734412][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.734412][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.734412][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.734412][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.734412][ T10] [ 3235.736406][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3235.736406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.736406][ T10] ipv6_find_idev+0x102/0x170 [ 3235.736406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.736406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.736406][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.736406][ T10] netlink_unicast+0x449/0x710 [ 3235.736406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.736406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.736406][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.736406][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.736406][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.736406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.736406][ T10] [ 3235.737946][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3235.737946][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.737946][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.737946][ T10] ipv6_find_idev+0x102/0x170 [ 3235.737946][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.737946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.737946][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.737946][ T10] netlink_unicast+0x449/0x710 [ 3235.737946][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.737946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.737946][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.737946][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.737946][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.737946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.737946][ T10] [ 3235.739601][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3235.739861][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3235.739861][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.739861][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.739861][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.739861][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.739861][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.739861][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.739861][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.739861][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.739861][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.739861][ T10] netlink_unicast+0x449/0x710 [ 3235.739861][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.739861][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.739861][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.739861][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.739861][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.739861][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.739861][ T10] [ 3235.741825][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3235.741825][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.741825][ T10] ipv6_find_idev+0x102/0x170 [ 3235.741825][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.741825][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.741825][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.741825][ T10] netlink_unicast+0x449/0x710 [ 3235.741825][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.741825][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.741825][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.741825][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.741825][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.741825][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.741825][ T10] [ 3235.743331][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3235.743331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.743331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.743331][ T10] ipv6_find_idev+0x102/0x170 [ 3235.743331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.743331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.743331][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.743331][ T10] netlink_unicast+0x449/0x710 [ 3235.743331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.743331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.743331][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.743331][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.743331][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.743331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.743331][ T10] [ 3235.745399][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3235.745659][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3235.745659][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.745659][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.745659][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.745659][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.745659][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.745659][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.745659][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.745659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.745659][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.745659][ T10] netlink_unicast+0x449/0x710 [ 3235.745659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.745659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.745659][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.745659][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.745659][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.745659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.745659][ T10] [ 3235.747617][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3235.747617][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.747617][ T10] ipv6_find_idev+0x102/0x170 [ 3235.747617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.747617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.747617][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.747617][ T10] netlink_unicast+0x449/0x710 [ 3235.747617][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.747617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.747617][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.747617][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.747617][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.747617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.747617][ T10] [ 3235.749131][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3235.749131][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.749131][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.749131][ T10] ipv6_find_idev+0x102/0x170 [ 3235.749131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.749131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.749131][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.749131][ T10] netlink_unicast+0x449/0x710 [ 3235.749131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.749131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.749131][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.749131][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.749131][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.749131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.749131][ T10] [ 3235.750819][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3235.751133][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3235.751133][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.751133][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.751133][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.751133][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.751133][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.751133][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.751133][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.751133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.751133][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.751133][ T10] netlink_unicast+0x449/0x710 [ 3235.751133][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.751133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.751133][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.751133][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.751133][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.751133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.751133][ T10] [ 3235.753208][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3235.753208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.753208][ T10] ipv6_find_idev+0x102/0x170 [ 3235.753208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.753208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.753208][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.753208][ T10] netlink_unicast+0x449/0x710 [ 3235.753208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.753208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.753208][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.753208][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.753208][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.753208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.753208][ T10] [ 3235.755002][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3235.755002][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.755002][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.755002][ T10] ipv6_find_idev+0x102/0x170 [ 3235.755002][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.755002][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.755002][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.755002][ T10] netlink_unicast+0x449/0x710 [ 3235.755002][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.755002][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.755002][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.755002][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.755002][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.755002][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.755002][ T10] [ 3235.756898][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3235.757156][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3235.757156][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.757156][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.757156][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.757156][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.757156][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.757156][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.757156][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.757156][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.757156][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.757156][ T10] netlink_unicast+0x449/0x710 [ 3235.757156][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.757156][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.757156][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.757156][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.757156][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.757156][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.757156][ T10] [ 3235.759363][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3235.759363][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.759363][ T10] ipv6_find_idev+0x102/0x170 [ 3235.759363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.759363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.759363][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.759363][ T10] netlink_unicast+0x449/0x710 [ 3235.759363][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.759363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.759363][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.759363][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.759363][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.759363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.759363][ T10] [ 3235.761053][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3235.761053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.761053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.761053][ T10] ipv6_find_idev+0x102/0x170 [ 3235.761053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.761053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.761053][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.761053][ T10] netlink_unicast+0x449/0x710 [ 3235.761053][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.761053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.761053][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.761053][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.761053][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.761053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.761053][ T10] [ 3235.762926][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3235.763182][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3235.763182][ T10] netdev_get_by_index+0x5e/0x80 [ 3235.763182][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3235.763182][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3235.763182][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3235.763182][ T10] ipv6_add_addr+0x411/0x2000 [ 3235.763182][ T10] inet6_addr_add+0x30e/0xa40 [ 3235.763182][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3235.763182][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.763182][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.763182][ T10] netlink_unicast+0x449/0x710 [ 3235.763182][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.763182][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.763182][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.763182][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.763182][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.763182][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.763182][ T10] [ 3235.765938][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3235.765938][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3235.765938][ T10] ipv6_find_idev+0x102/0x170 [ 3235.765938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.765938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.765938][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.765938][ T10] netlink_unicast+0x449/0x710 [ 3235.765938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.765938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.765938][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.765938][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.765938][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.765938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.765938][ T10] [ 3235.767555][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3235.767555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3235.767555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3235.767555][ T10] ipv6_find_idev+0x102/0x170 [ 3235.767555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3235.767555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3235.767555][ T10] netlink_rcv_skb+0x130/0x360 [ 3235.767555][ T10] netlink_unicast+0x449/0x710 [ 3235.767555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3235.767555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3235.767555][ T10] ___sys_sendmsg+0xee/0x170 [ 3235.767555][ T10] __sys_sendmsg+0xcd/0x170 [ 3235.767555][ T10] do_syscall_64+0xc6/0x1e0 [ 3235.767555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3235.767555][ T10] [ 3245.810937][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3245.811376][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3245.811376][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.811376][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.811376][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.811376][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.811376][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.811376][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.811376][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.811376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.811376][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.811376][ T10] netlink_unicast+0x449/0x710 [ 3245.811376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.811376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.811376][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.811376][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.811376][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.811376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.811376][ T10] [ 3245.813348][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3245.813348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.813348][ T10] ipv6_find_idev+0x102/0x170 [ 3245.813348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.813348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.813348][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.813348][ T10] netlink_unicast+0x449/0x710 [ 3245.813348][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.813348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.813348][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.813348][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.813348][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.813348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.813348][ T10] [ 3245.814918][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3245.814918][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.814918][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.814918][ T10] ipv6_find_idev+0x102/0x170 [ 3245.814918][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.814918][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.814918][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.814918][ T10] netlink_unicast+0x449/0x710 [ 3245.814918][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.814918][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.814918][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.814918][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.814918][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.814918][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.814918][ T10] [ 3245.817053][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3245.817481][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3245.817481][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.817481][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.817481][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.817481][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.817481][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.817481][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.817481][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.817481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.817481][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.817481][ T10] netlink_unicast+0x449/0x710 [ 3245.817481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.817481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.817481][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.817481][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.817481][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.817481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.817481][ T10] [ 3245.820731][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3245.820731][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.820731][ T10] ipv6_find_idev+0x102/0x170 [ 3245.820731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.820731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.820731][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.820731][ T10] netlink_unicast+0x449/0x710 [ 3245.820731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.820731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.820731][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.820731][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.820731][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.820731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.820731][ T10] [ 3245.823157][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3245.823157][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.823157][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.823157][ T10] ipv6_find_idev+0x102/0x170 [ 3245.823157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.823157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.823157][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.823157][ T10] netlink_unicast+0x449/0x710 [ 3245.823157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.823157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.823157][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.823157][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.823157][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.823157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.823157][ T10] [ 3245.825810][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3245.826258][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3245.826258][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.826258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.826258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.826258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.826258][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.826258][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.826258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.826258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.826258][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.826258][ T10] netlink_unicast+0x449/0x710 [ 3245.826258][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.826258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.826258][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.826258][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.826258][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.826258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.826258][ T10] [ 3245.829411][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3245.829411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.829411][ T10] ipv6_find_idev+0x102/0x170 [ 3245.829411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.829411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.829411][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.829411][ T10] netlink_unicast+0x449/0x710 [ 3245.829411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.829411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.829411][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.829411][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.829411][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.829411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.829411][ T10] [ 3245.831823][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3245.831823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.831823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.831823][ T10] ipv6_find_idev+0x102/0x170 [ 3245.831823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.831823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.831823][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.831823][ T10] netlink_unicast+0x449/0x710 [ 3245.831823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.831823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.831823][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.831823][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.831823][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.831823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.831823][ T10] [ 3245.834477][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3245.834910][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3245.834910][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.834910][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.834910][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.834910][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.834910][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.834910][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.834910][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.834910][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.834910][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.834910][ T10] netlink_unicast+0x449/0x710 [ 3245.834910][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.834910][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.834910][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.834910][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.834910][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.834910][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.834910][ T10] [ 3245.843221][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3245.843221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.843221][ T10] ipv6_find_idev+0x102/0x170 [ 3245.843221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.843221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.843221][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.843221][ T10] netlink_unicast+0x449/0x710 [ 3245.843221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.843221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.843221][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.843221][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.843221][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.843221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.843221][ T10] [ 3245.845673][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3245.845673][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.845673][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.845673][ T10] ipv6_find_idev+0x102/0x170 [ 3245.845673][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.845673][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.845673][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.845673][ T10] netlink_unicast+0x449/0x710 [ 3245.845673][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.845673][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.845673][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.845673][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.845673][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.845673][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.845673][ T10] [ 3245.849162][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3245.849590][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3245.849590][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.849590][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.849590][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.849590][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.849590][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.849590][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.849590][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.849590][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.849590][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.849590][ T10] netlink_unicast+0x449/0x710 [ 3245.849590][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.849590][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.849590][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.849590][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.849590][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.849590][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.849590][ T10] [ 3245.852767][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3245.852767][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.852767][ T10] ipv6_find_idev+0x102/0x170 [ 3245.852767][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.852767][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.852767][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.852767][ T10] netlink_unicast+0x449/0x710 [ 3245.852767][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.852767][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.852767][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.852767][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.852767][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.852767][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.852767][ T10] [ 3245.855207][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3245.855207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.855207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.855207][ T10] ipv6_find_idev+0x102/0x170 [ 3245.855207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.855207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.855207][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.855207][ T10] netlink_unicast+0x449/0x710 [ 3245.855207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.855207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.855207][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.855207][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.855207][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.855207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.855207][ T10] [ 3245.857977][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3245.858308][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3245.858308][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.858308][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.858308][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.858308][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.858308][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.858308][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.858308][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.858308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.858308][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.858308][ T10] netlink_unicast+0x449/0x710 [ 3245.858308][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.858308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.858308][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.858308][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.858308][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.858308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.858308][ T10] [ 3245.860437][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3245.860437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.860437][ T10] ipv6_find_idev+0x102/0x170 [ 3245.860437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.860437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.860437][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.860437][ T10] netlink_unicast+0x449/0x710 [ 3245.860437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.860437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.860437][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.860437][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.860437][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.860437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.860437][ T10] [ 3245.862228][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3245.862228][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.862228][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.862228][ T10] ipv6_find_idev+0x102/0x170 [ 3245.862228][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.862228][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.862228][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.862228][ T10] netlink_unicast+0x449/0x710 [ 3245.862228][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.862228][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.862228][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.862228][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.862228][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.862228][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.862228][ T10] [ 3245.864898][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3245.865163][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3245.865163][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.865163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.865163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.865163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.865163][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.865163][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.865163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.865163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.865163][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.865163][ T10] netlink_unicast+0x449/0x710 [ 3245.865163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.865163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.865163][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.865163][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.865163][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.865163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.865163][ T10] [ 3245.867512][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3245.867512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.867512][ T10] ipv6_find_idev+0x102/0x170 [ 3245.867512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.867512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.867512][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.867512][ T10] netlink_unicast+0x449/0x710 [ 3245.867512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.867512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.867512][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.867512][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.867512][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.867512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.867512][ T10] [ 3245.869338][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3245.869338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.869338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.869338][ T10] ipv6_find_idev+0x102/0x170 [ 3245.869338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.869338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.869338][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.869338][ T10] netlink_unicast+0x449/0x710 [ 3245.869338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.869338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.869338][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.869338][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.869338][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.869338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.869338][ T10] [ 3245.871775][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3245.872302][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3245.872302][ T10] netdev_get_by_index+0x5e/0x80 [ 3245.872302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3245.872302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3245.872302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3245.872302][ T10] ipv6_add_addr+0x411/0x2000 [ 3245.872302][ T10] inet6_addr_add+0x30e/0xa40 [ 3245.872302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3245.872302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.872302][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.872302][ T10] netlink_unicast+0x449/0x710 [ 3245.872302][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.872302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.872302][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.872302][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.872302][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.872302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.872302][ T10] [ 3245.875075][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3245.875075][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3245.875075][ T10] ipv6_find_idev+0x102/0x170 [ 3245.875075][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.875075][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.875075][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.875075][ T10] netlink_unicast+0x449/0x710 [ 3245.875075][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.875075][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.875075][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.875075][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.875075][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.875075][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.875075][ T10] [ 3245.876751][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3245.876751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3245.876751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3245.876751][ T10] ipv6_find_idev+0x102/0x170 [ 3245.876751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3245.876751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3245.876751][ T10] netlink_rcv_skb+0x130/0x360 [ 3245.876751][ T10] netlink_unicast+0x449/0x710 [ 3245.876751][ T10] netlink_sendmsg+0x723/0xbe0 [ 3245.876751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3245.876751][ T10] ___sys_sendmsg+0xee/0x170 [ 3245.876751][ T10] __sys_sendmsg+0xcd/0x170 [ 3245.876751][ T10] do_syscall_64+0xc6/0x1e0 [ 3245.876751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3245.876751][ T10] [ 3256.002912][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3256.003446][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3256.003446][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.003446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.003446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.003446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.003446][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.003446][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.003446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.003446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.003446][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.003446][ T10] netlink_unicast+0x449/0x710 [ 3256.003446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.003446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.003446][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.003446][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.003446][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.003446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.003446][ T10] [ 3256.006538][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3256.006538][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.006538][ T10] ipv6_find_idev+0x102/0x170 [ 3256.006538][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.006538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.006538][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.006538][ T10] netlink_unicast+0x449/0x710 [ 3256.006538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.006538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.006538][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.006538][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.006538][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.006538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.006538][ T10] [ 3256.008102][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3256.008102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.008102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.008102][ T10] ipv6_find_idev+0x102/0x170 [ 3256.008102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.008102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.008102][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.008102][ T10] netlink_unicast+0x449/0x710 [ 3256.008102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.008102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.008102][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.008102][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.008102][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.008102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.008102][ T10] [ 3256.009792][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3256.010101][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3256.010101][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.010101][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.010101][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.010101][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.010101][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.010101][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.010101][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.010101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.010101][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.010101][ T10] netlink_unicast+0x449/0x710 [ 3256.010101][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.010101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.010101][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.010101][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.010101][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.010101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.010101][ T10] [ 3256.012760][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3256.012760][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.012760][ T10] ipv6_find_idev+0x102/0x170 [ 3256.012760][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.012760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.012760][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.012760][ T10] netlink_unicast+0x449/0x710 [ 3256.012760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.012760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.012760][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.012760][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.012760][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.012760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.012760][ T10] [ 3256.014311][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3256.014311][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.014311][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.014311][ T10] ipv6_find_idev+0x102/0x170 [ 3256.014311][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.014311][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.014311][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.014311][ T10] netlink_unicast+0x449/0x710 [ 3256.014311][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.014311][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.014311][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.014311][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.014311][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.014311][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.014311][ T10] [ 3256.016005][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3256.016279][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3256.016279][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.016279][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.016279][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.016279][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.016279][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.016279][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.016279][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.016279][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.016279][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.016279][ T10] netlink_unicast+0x449/0x710 [ 3256.016279][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.016279][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.016279][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.016279][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.016279][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.016279][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.016279][ T10] [ 3256.018304][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3256.018304][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.018304][ T10] ipv6_find_idev+0x102/0x170 [ 3256.018304][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.018304][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.018304][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.018304][ T10] netlink_unicast+0x449/0x710 [ 3256.018304][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.018304][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.018304][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.018304][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.018304][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.018304][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.018304][ T10] [ 3256.020458][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3256.020458][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.020458][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.020458][ T10] ipv6_find_idev+0x102/0x170 [ 3256.020458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.020458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.020458][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.020458][ T10] netlink_unicast+0x449/0x710 [ 3256.020458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.020458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.020458][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.020458][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.020458][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.020458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.020458][ T10] [ 3256.022738][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3256.023547][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3256.023547][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.023547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.023547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.023547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.023547][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.023547][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.023547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.023547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.023547][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.023547][ T10] netlink_unicast+0x449/0x710 [ 3256.023547][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.023547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.023547][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.023547][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.023547][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.023547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.023547][ T10] [ 3256.025522][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3256.025522][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.025522][ T10] ipv6_find_idev+0x102/0x170 [ 3256.025522][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.025522][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.025522][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.025522][ T10] netlink_unicast+0x449/0x710 [ 3256.025522][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.025522][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.025522][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.025522][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.025522][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.025522][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.025522][ T10] [ 3256.027056][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3256.027056][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.027056][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.027056][ T10] ipv6_find_idev+0x102/0x170 [ 3256.027056][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.027056][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.027056][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.027056][ T10] netlink_unicast+0x449/0x710 [ 3256.027056][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.027056][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.027056][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.027056][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.027056][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.027056][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.027056][ T10] [ 3256.031113][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3256.031382][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3256.031382][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.031382][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.031382][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.031382][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.031382][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.031382][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.031382][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.031382][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.031382][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.031382][ T10] netlink_unicast+0x449/0x710 [ 3256.031382][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.031382][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.031382][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.031382][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.031382][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.031382][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.031382][ T10] [ 3256.033375][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3256.033375][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.033375][ T10] ipv6_find_idev+0x102/0x170 [ 3256.033375][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.033375][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.033375][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.033375][ T10] netlink_unicast+0x449/0x710 [ 3256.033375][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.033375][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.033375][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.033375][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.033375][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.033375][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.033375][ T10] [ 3256.034912][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3256.034912][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.034912][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.034912][ T10] ipv6_find_idev+0x102/0x170 [ 3256.034912][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.034912][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.034912][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.034912][ T10] netlink_unicast+0x449/0x710 [ 3256.034912][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.034912][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.034912][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.034912][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.034912][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.034912][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.034912][ T10] [ 3256.036610][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3256.036881][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3256.036881][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.036881][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.036881][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.036881][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.036881][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.036881][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.036881][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.036881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.036881][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.036881][ T10] netlink_unicast+0x449/0x710 [ 3256.036881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.036881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.036881][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.036881][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.036881][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.036881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.036881][ T10] [ 3256.038941][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3256.038941][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.038941][ T10] ipv6_find_idev+0x102/0x170 [ 3256.038941][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.038941][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.038941][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.038941][ T10] netlink_unicast+0x449/0x710 [ 3256.038941][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.038941][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.038941][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.038941][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.038941][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.038941][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.038941][ T10] [ 3256.040615][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3256.040615][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.040615][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.040615][ T10] ipv6_find_idev+0x102/0x170 [ 3256.040615][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.040615][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.040615][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.040615][ T10] netlink_unicast+0x449/0x710 [ 3256.040615][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.040615][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.040615][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.040615][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.040615][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.040615][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.040615][ T10] [ 3256.042478][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3256.042742][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3256.042742][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.042742][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.042742][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.042742][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.042742][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.042742][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.042742][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.042742][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.042742][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.042742][ T10] netlink_unicast+0x449/0x710 [ 3256.042742][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.042742][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.042742][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.042742][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.042742][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.042742][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.042742][ T10] [ 3256.044876][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3256.044876][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.044876][ T10] ipv6_find_idev+0x102/0x170 [ 3256.044876][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.044876][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.044876][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.044876][ T10] netlink_unicast+0x449/0x710 [ 3256.044876][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.044876][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.044876][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.044876][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.044876][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.044876][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.044876][ T10] [ 3256.046464][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3256.046464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.046464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.046464][ T10] ipv6_find_idev+0x102/0x170 [ 3256.046464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.046464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.046464][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.046464][ T10] netlink_unicast+0x449/0x710 [ 3256.046464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.046464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.046464][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.046464][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.046464][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.046464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.046464][ T10] [ 3256.048340][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3256.048598][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3256.048598][ T10] netdev_get_by_index+0x5e/0x80 [ 3256.048598][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3256.048598][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3256.048598][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3256.048598][ T10] ipv6_add_addr+0x411/0x2000 [ 3256.048598][ T10] inet6_addr_add+0x30e/0xa40 [ 3256.048598][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3256.048598][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.048598][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.048598][ T10] netlink_unicast+0x449/0x710 [ 3256.048598][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.048598][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.048598][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.048598][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.048598][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.048598][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.048598][ T10] [ 3256.050739][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3256.050739][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3256.050739][ T10] ipv6_find_idev+0x102/0x170 [ 3256.050739][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.050739][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.050739][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.050739][ T10] netlink_unicast+0x449/0x710 [ 3256.050739][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.050739][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.050739][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.050739][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.050739][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.050739][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.050739][ T10] [ 3256.052334][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3256.052334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3256.052334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3256.052334][ T10] ipv6_find_idev+0x102/0x170 [ 3256.052334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3256.052334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3256.052334][ T10] netlink_rcv_skb+0x130/0x360 [ 3256.052334][ T10] netlink_unicast+0x449/0x710 [ 3256.052334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3256.052334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3256.052334][ T10] ___sys_sendmsg+0xee/0x170 [ 3256.052334][ T10] __sys_sendmsg+0xcd/0x170 [ 3256.052334][ T10] do_syscall_64+0xc6/0x1e0 [ 3256.052334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3256.052334][ T10] [ 3266.115001][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3266.115384][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3266.115384][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.115384][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.115384][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.115384][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.115384][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.115384][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.115384][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.115384][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.115384][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.115384][ T10] netlink_unicast+0x449/0x710 [ 3266.115384][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.115384][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.115384][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.115384][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.115384][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.115384][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.115384][ T10] [ 3266.117449][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3266.117449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.117449][ T10] ipv6_find_idev+0x102/0x170 [ 3266.117449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.117449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.117449][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.117449][ T10] netlink_unicast+0x449/0x710 [ 3266.117449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.117449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.117449][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.117449][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.117449][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.117449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.117449][ T10] [ 3266.118977][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3266.118977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.118977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.118977][ T10] ipv6_find_idev+0x102/0x170 [ 3266.118977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.118977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.118977][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.118977][ T10] netlink_unicast+0x449/0x710 [ 3266.118977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.118977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.118977][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.118977][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.118977][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.118977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.118977][ T10] [ 3266.120638][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3266.120915][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3266.120915][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.120915][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.120915][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.120915][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.120915][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.120915][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.120915][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.120915][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.120915][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.120915][ T10] netlink_unicast+0x449/0x710 [ 3266.120915][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.120915][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.120915][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.120915][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.120915][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.120915][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.120915][ T10] [ 3266.122877][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3266.122877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.122877][ T10] ipv6_find_idev+0x102/0x170 [ 3266.122877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.122877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.122877][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.122877][ T10] netlink_unicast+0x449/0x710 [ 3266.122877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.122877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.122877][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.122877][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.122877][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.122877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.122877][ T10] [ 3266.124394][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3266.124394][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.124394][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.124394][ T10] ipv6_find_idev+0x102/0x170 [ 3266.124394][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.124394][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.124394][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.124394][ T10] netlink_unicast+0x449/0x710 [ 3266.124394][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.124394][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.124394][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.124394][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.124394][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.124394][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.124394][ T10] [ 3266.126049][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3266.126309][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3266.126309][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.126309][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.126309][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.126309][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.126309][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.126309][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.126309][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.126309][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.126309][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.126309][ T10] netlink_unicast+0x449/0x710 [ 3266.126309][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.126309][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.126309][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.126309][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.126309][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.126309][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.126309][ T10] [ 3266.128275][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3266.128275][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.128275][ T10] ipv6_find_idev+0x102/0x170 [ 3266.128275][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.128275][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.128275][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.128275][ T10] netlink_unicast+0x449/0x710 [ 3266.128275][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.128275][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.128275][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.128275][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.128275][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.128275][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.128275][ T10] [ 3266.129789][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3266.129789][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.129789][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.129789][ T10] ipv6_find_idev+0x102/0x170 [ 3266.129789][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.129789][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.129789][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.129789][ T10] netlink_unicast+0x449/0x710 [ 3266.129789][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.129789][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.129789][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.129789][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.129789][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.129789][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.129789][ T10] [ 3266.131466][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3266.131726][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3266.131726][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.131726][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.131726][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.131726][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.131726][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.131726][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.131726][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.131726][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.131726][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.131726][ T10] netlink_unicast+0x449/0x710 [ 3266.131726][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.131726][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.131726][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.131726][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.131726][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.131726][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.131726][ T10] [ 3266.133689][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3266.133689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.133689][ T10] ipv6_find_idev+0x102/0x170 [ 3266.133689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.133689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.133689][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.133689][ T10] netlink_unicast+0x449/0x710 [ 3266.133689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.133689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.133689][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.133689][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.133689][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.133689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.133689][ T10] [ 3266.135206][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3266.135206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.135206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.135206][ T10] ipv6_find_idev+0x102/0x170 [ 3266.135206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.135206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.135206][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.135206][ T10] netlink_unicast+0x449/0x710 [ 3266.135206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.135206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.135206][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.135206][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.135206][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.135206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.135206][ T10] [ 3266.137280][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3266.137547][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3266.137547][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.137547][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.137547][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.137547][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.137547][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.137547][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.137547][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.137547][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.137547][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.137547][ T10] netlink_unicast+0x449/0x710 [ 3266.137547][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.137547][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.137547][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.137547][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.137547][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.137547][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.137547][ T10] [ 3266.139556][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3266.139556][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.139556][ T10] ipv6_find_idev+0x102/0x170 [ 3266.139556][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.139556][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.139556][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.139556][ T10] netlink_unicast+0x449/0x710 [ 3266.139556][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.139556][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.139556][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.139556][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.139556][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.139556][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.139556][ T10] [ 3266.141070][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3266.141070][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.141070][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.141070][ T10] ipv6_find_idev+0x102/0x170 [ 3266.141070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.141070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.141070][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.141070][ T10] netlink_unicast+0x449/0x710 [ 3266.141070][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.141070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.141070][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.141070][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.141070][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.141070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.141070][ T10] [ 3266.142783][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3266.143092][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3266.143092][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.143092][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.143092][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.143092][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.143092][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.143092][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.143092][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.143092][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.143092][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.143092][ T10] netlink_unicast+0x449/0x710 [ 3266.143092][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.143092][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.143092][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.143092][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.143092][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.143092][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.143092][ T10] [ 3266.145134][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3266.145134][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.145134][ T10] ipv6_find_idev+0x102/0x170 [ 3266.145134][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.145134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.145134][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.145134][ T10] netlink_unicast+0x449/0x710 [ 3266.145134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.145134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.145134][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.145134][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.145134][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.145134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.145134][ T10] [ 3266.146819][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3266.146819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.146819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.146819][ T10] ipv6_find_idev+0x102/0x170 [ 3266.146819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.146819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.146819][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.146819][ T10] netlink_unicast+0x449/0x710 [ 3266.146819][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.146819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.146819][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.146819][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.146819][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.146819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.146819][ T10] [ 3266.148809][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3266.149120][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3266.149120][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.149120][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.149120][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.149120][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.149120][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.149120][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.149120][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.149120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.149120][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.149120][ T10] netlink_unicast+0x449/0x710 [ 3266.149120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.149120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.149120][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.149120][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.149120][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.149120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.149120][ T10] [ 3266.151252][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3266.151252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.151252][ T10] ipv6_find_idev+0x102/0x170 [ 3266.151252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.151252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.151252][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.151252][ T10] netlink_unicast+0x449/0x710 [ 3266.151252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.151252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.151252][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.151252][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.151252][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.151252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.151252][ T10] [ 3266.152934][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3266.152934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.152934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.152934][ T10] ipv6_find_idev+0x102/0x170 [ 3266.152934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.152934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.152934][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.152934][ T10] netlink_unicast+0x449/0x710 [ 3266.152934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.152934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.152934][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.152934][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.152934][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.152934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.152934][ T10] [ 3266.154794][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3266.155115][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3266.155115][ T10] netdev_get_by_index+0x5e/0x80 [ 3266.155115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3266.155115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3266.155115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3266.155115][ T10] ipv6_add_addr+0x411/0x2000 [ 3266.155115][ T10] inet6_addr_add+0x30e/0xa40 [ 3266.155115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3266.155115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.155115][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.155115][ T10] netlink_unicast+0x449/0x710 [ 3266.155115][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.155115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.155115][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.155115][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.155115][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.155115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.155115][ T10] [ 3266.157261][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3266.157261][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3266.157261][ T10] ipv6_find_idev+0x102/0x170 [ 3266.157261][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.157261][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.157261][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.157261][ T10] netlink_unicast+0x449/0x710 [ 3266.157261][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.157261][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.157261][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.157261][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.157261][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.157261][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.157261][ T10] [ 3266.159014][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3266.159014][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3266.159014][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3266.159014][ T10] ipv6_find_idev+0x102/0x170 [ 3266.159014][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3266.159014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3266.159014][ T10] netlink_rcv_skb+0x130/0x360 [ 3266.159014][ T10] netlink_unicast+0x449/0x710 [ 3266.159014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3266.159014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3266.159014][ T10] ___sys_sendmsg+0xee/0x170 [ 3266.159014][ T10] __sys_sendmsg+0xcd/0x170 [ 3266.159014][ T10] do_syscall_64+0xc6/0x1e0 [ 3266.159014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3266.159014][ T10] [ 3276.251021][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3276.251514][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3276.251514][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.251514][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.251514][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.251514][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.251514][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.251514][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.251514][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.251514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.251514][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.251514][ T10] netlink_unicast+0x449/0x710 [ 3276.251514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.251514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.251514][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.251514][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.251514][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.251514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.251514][ T10] [ 3276.253583][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3276.253583][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.253583][ T10] ipv6_find_idev+0x102/0x170 [ 3276.253583][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.253583][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.253583][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.253583][ T10] netlink_unicast+0x449/0x710 [ 3276.253583][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.253583][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.253583][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.253583][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.253583][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.253583][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.253583][ T10] [ 3276.255855][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3276.255855][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.255855][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.255855][ T10] ipv6_find_idev+0x102/0x170 [ 3276.255855][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.255855][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.255855][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.255855][ T10] netlink_unicast+0x449/0x710 [ 3276.255855][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.255855][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.255855][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.255855][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.255855][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.255855][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.255855][ T10] [ 3276.258410][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3276.258828][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3276.258828][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.258828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.258828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.258828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.258828][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.258828][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.258828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.258828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.258828][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.258828][ T10] netlink_unicast+0x449/0x710 [ 3276.258828][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.258828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.258828][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.258828][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.258828][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.258828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.258828][ T10] [ 3276.261887][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3276.261887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.261887][ T10] ipv6_find_idev+0x102/0x170 [ 3276.261887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.261887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.261887][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.261887][ T10] netlink_unicast+0x449/0x710 [ 3276.261887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.261887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.261887][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.261887][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.261887][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.261887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.261887][ T10] [ 3276.264252][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3276.264252][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.264252][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.264252][ T10] ipv6_find_idev+0x102/0x170 [ 3276.264252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.264252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.264252][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.264252][ T10] netlink_unicast+0x449/0x710 [ 3276.264252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.264252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.264252][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.264252][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.264252][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.264252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.264252][ T10] [ 3276.266879][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3276.267295][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3276.267295][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.267295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.267295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.267295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.267295][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.267295][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.267295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.267295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.267295][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.267295][ T10] netlink_unicast+0x449/0x710 [ 3276.267295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.267295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.267295][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.267295][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.267295][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.267295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.267295][ T10] [ 3276.270248][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3276.270248][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.270248][ T10] ipv6_find_idev+0x102/0x170 [ 3276.270248][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.270248][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.270248][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.270248][ T10] netlink_unicast+0x449/0x710 [ 3276.270248][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.270248][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.270248][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.270248][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.270248][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.270248][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.270248][ T10] [ 3276.272477][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3276.272477][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.272477][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.272477][ T10] ipv6_find_idev+0x102/0x170 [ 3276.272477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.272477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.272477][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.272477][ T10] netlink_unicast+0x449/0x710 [ 3276.272477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.272477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.272477][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.272477][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.272477][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.272477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.272477][ T10] [ 3276.274997][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3276.275405][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3276.275405][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.275405][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.275405][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.275405][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.275405][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.275405][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.275405][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.275405][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.275405][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.275405][ T10] netlink_unicast+0x449/0x710 [ 3276.275405][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.275405][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.275405][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.275405][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.275405][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.275405][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.275405][ T10] [ 3276.278516][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3276.278516][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.278516][ T10] ipv6_find_idev+0x102/0x170 [ 3276.278516][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.278516][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.278516][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.278516][ T10] netlink_unicast+0x449/0x710 [ 3276.278516][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.278516][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.278516][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.278516][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.278516][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.278516][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.278516][ T10] [ 3276.280938][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3276.280938][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.280938][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.280938][ T10] ipv6_find_idev+0x102/0x170 [ 3276.280938][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.280938][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.280938][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.280938][ T10] netlink_unicast+0x449/0x710 [ 3276.280938][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.280938][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.280938][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.280938][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.280938][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.280938][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.280938][ T10] [ 3276.283629][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3276.284131][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3276.284131][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.284131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.284131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.284131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.284131][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.284131][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.284131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.284131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.284131][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.284131][ T10] netlink_unicast+0x449/0x710 [ 3276.284131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.284131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.284131][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.284131][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.284131][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.284131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.284131][ T10] [ 3276.287141][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3276.287141][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.287141][ T10] ipv6_find_idev+0x102/0x170 [ 3276.287141][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.287141][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.287141][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.287141][ T10] netlink_unicast+0x449/0x710 [ 3276.287141][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.287141][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.287141][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.287141][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.287141][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.287141][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.287141][ T10] [ 3276.289521][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3276.289521][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.289521][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.289521][ T10] ipv6_find_idev+0x102/0x170 [ 3276.289521][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.289521][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.289521][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.289521][ T10] netlink_unicast+0x449/0x710 [ 3276.289521][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.289521][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.289521][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.289521][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.289521][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.289521][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.289521][ T10] [ 3276.292519][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3276.293035][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3276.293035][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.293035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.293035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.293035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.293035][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.293035][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.293035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.293035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.293035][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.293035][ T10] netlink_unicast+0x449/0x710 [ 3276.293035][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.293035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.293035][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.293035][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.293035][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.293035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.293035][ T10] [ 3276.296313][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3276.296313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.296313][ T10] ipv6_find_idev+0x102/0x170 [ 3276.296313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.296313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.296313][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.296313][ T10] netlink_unicast+0x449/0x710 [ 3276.296313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.296313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.296313][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.296313][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.296313][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.296313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.296313][ T10] [ 3276.298998][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3276.298998][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.298998][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.298998][ T10] ipv6_find_idev+0x102/0x170 [ 3276.298998][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.298998][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.298998][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.298998][ T10] netlink_unicast+0x449/0x710 [ 3276.298998][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.298998][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.298998][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.298998][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.298998][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.298998][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.298998][ T10] [ 3276.301821][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3276.302295][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3276.302295][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.302295][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.302295][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.302295][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.302295][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.302295][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.302295][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.302295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.302295][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.302295][ T10] netlink_unicast+0x449/0x710 [ 3276.302295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.302295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.302295][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.302295][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.302295][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.302295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.302295][ T10] [ 3276.305490][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3276.305490][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.305490][ T10] ipv6_find_idev+0x102/0x170 [ 3276.305490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.305490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.305490][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.305490][ T10] netlink_unicast+0x449/0x710 [ 3276.305490][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.305490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.305490][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.305490][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.305490][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.305490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.305490][ T10] [ 3276.308027][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3276.308027][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.308027][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.308027][ T10] ipv6_find_idev+0x102/0x170 [ 3276.308027][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.308027][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.308027][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.308027][ T10] netlink_unicast+0x449/0x710 [ 3276.308027][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.308027][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.308027][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.308027][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.308027][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.308027][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.308027][ T10] [ 3276.311159][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3276.311565][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3276.311565][ T10] netdev_get_by_index+0x5e/0x80 [ 3276.311565][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3276.311565][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3276.311565][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3276.311565][ T10] ipv6_add_addr+0x411/0x2000 [ 3276.311565][ T10] inet6_addr_add+0x30e/0xa40 [ 3276.311565][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3276.311565][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.311565][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.311565][ T10] netlink_unicast+0x449/0x710 [ 3276.311565][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.311565][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.311565][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.311565][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.311565][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.311565][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.311565][ T10] [ 3276.315012][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3276.315012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3276.315012][ T10] ipv6_find_idev+0x102/0x170 [ 3276.315012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.315012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.315012][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.315012][ T10] netlink_unicast+0x449/0x710 [ 3276.315012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.315012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.315012][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.315012][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.315012][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.315012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.315012][ T10] [ 3276.317720][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3276.317720][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3276.317720][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3276.317720][ T10] ipv6_find_idev+0x102/0x170 [ 3276.317720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3276.317720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3276.317720][ T10] netlink_rcv_skb+0x130/0x360 [ 3276.317720][ T10] netlink_unicast+0x449/0x710 [ 3276.317720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3276.317720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3276.317720][ T10] ___sys_sendmsg+0xee/0x170 [ 3276.317720][ T10] __sys_sendmsg+0xcd/0x170 [ 3276.317720][ T10] do_syscall_64+0xc6/0x1e0 [ 3276.317720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3276.317720][ T10] [ 3286.562963][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3286.563419][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3286.563419][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.563419][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.563419][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.563419][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.563419][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.563419][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.563419][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.563419][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.563419][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.563419][ T10] netlink_unicast+0x449/0x710 [ 3286.563419][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.563419][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.563419][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.563419][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.563419][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.563419][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.563419][ T10] [ 3286.565422][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3286.565422][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.565422][ T10] ipv6_find_idev+0x102/0x170 [ 3286.565422][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.565422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.565422][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.565422][ T10] netlink_unicast+0x449/0x710 [ 3286.565422][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.565422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.565422][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.565422][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.565422][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.565422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.565422][ T10] [ 3286.566952][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3286.566952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.566952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.566952][ T10] ipv6_find_idev+0x102/0x170 [ 3286.566952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.566952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.566952][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.566952][ T10] netlink_unicast+0x449/0x710 [ 3286.566952][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.566952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.566952][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.566952][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.566952][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.566952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.566952][ T10] [ 3286.568660][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3286.568994][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3286.568994][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.568994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.568994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.568994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.568994][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.568994][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.568994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.568994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.568994][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.568994][ T10] netlink_unicast+0x449/0x710 [ 3286.568994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.568994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.568994][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.568994][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.568994][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.568994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.568994][ T10] [ 3286.570978][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3286.570978][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.570978][ T10] ipv6_find_idev+0x102/0x170 [ 3286.570978][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.570978][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.570978][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.570978][ T10] netlink_unicast+0x449/0x710 [ 3286.570978][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.570978][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.570978][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.570978][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.570978][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.570978][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.570978][ T10] [ 3286.572505][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3286.572505][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.572505][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.572505][ T10] ipv6_find_idev+0x102/0x170 [ 3286.572505][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.572505][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.572505][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.572505][ T10] netlink_unicast+0x449/0x710 [ 3286.572505][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.572505][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.572505][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.572505][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.572505][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.572505][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.572505][ T10] [ 3286.574178][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3286.574446][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3286.574446][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.574446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.574446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.574446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.574446][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.574446][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.574446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.574446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.574446][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.574446][ T10] netlink_unicast+0x449/0x710 [ 3286.574446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.574446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.574446][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.574446][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.574446][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.574446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.574446][ T10] [ 3286.576428][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3286.576428][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.576428][ T10] ipv6_find_idev+0x102/0x170 [ 3286.576428][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.576428][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.576428][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.576428][ T10] netlink_unicast+0x449/0x710 [ 3286.576428][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.576428][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.576428][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.576428][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.576428][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.576428][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.576428][ T10] [ 3286.577977][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3286.577977][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.577977][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.577977][ T10] ipv6_find_idev+0x102/0x170 [ 3286.577977][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.577977][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.577977][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.577977][ T10] netlink_unicast+0x449/0x710 [ 3286.577977][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.577977][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.577977][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.577977][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.577977][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.577977][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.577977][ T10] [ 3286.579656][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3286.580388][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3286.580388][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.580388][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.580388][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.580388][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.580388][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.580388][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.580388][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.580388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.580388][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.580388][ T10] netlink_unicast+0x449/0x710 [ 3286.580388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.580388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.580388][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.580388][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.580388][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.580388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.580388][ T10] [ 3286.582374][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3286.582374][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.582374][ T10] ipv6_find_idev+0x102/0x170 [ 3286.582374][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.582374][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.582374][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.582374][ T10] netlink_unicast+0x449/0x710 [ 3286.582374][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.582374][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.582374][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.582374][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.582374][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.582374][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.582374][ T10] [ 3286.583914][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3286.583914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.583914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.583914][ T10] ipv6_find_idev+0x102/0x170 [ 3286.583914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.583914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.583914][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.583914][ T10] netlink_unicast+0x449/0x710 [ 3286.583914][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.583914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.583914][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.583914][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.583914][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.583914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.583914][ T10] [ 3286.585773][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3286.586104][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3286.586104][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.586104][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.586104][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.586104][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.586104][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.586104][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.586104][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.586104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.586104][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.586104][ T10] netlink_unicast+0x449/0x710 [ 3286.586104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.586104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.586104][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.586104][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.586104][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.586104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.586104][ T10] [ 3286.588104][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3286.588104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.588104][ T10] ipv6_find_idev+0x102/0x170 [ 3286.588104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.588104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.588104][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.588104][ T10] netlink_unicast+0x449/0x710 [ 3286.588104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.588104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.588104][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.588104][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.588104][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.588104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.588104][ T10] [ 3286.589648][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3286.589648][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.589648][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.589648][ T10] ipv6_find_idev+0x102/0x170 [ 3286.589648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.589648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.589648][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.589648][ T10] netlink_unicast+0x449/0x710 [ 3286.589648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.589648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.589648][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.589648][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.589648][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.589648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.589648][ T10] [ 3286.591381][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3286.591688][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3286.591688][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.591688][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.591688][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.591688][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.591688][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.591688][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.591688][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.591688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.591688][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.591688][ T10] netlink_unicast+0x449/0x710 [ 3286.591688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.591688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.591688][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.591688][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.591688][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.591688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.591688][ T10] [ 3286.593688][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3286.593688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.593688][ T10] ipv6_find_idev+0x102/0x170 [ 3286.593688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.593688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.593688][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.593688][ T10] netlink_unicast+0x449/0x710 [ 3286.593688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.593688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.593688][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.593688][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.593688][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.593688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.593688][ T10] [ 3286.595406][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3286.595406][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.595406][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.595406][ T10] ipv6_find_idev+0x102/0x170 [ 3286.595406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.595406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.595406][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.595406][ T10] netlink_unicast+0x449/0x710 [ 3286.595406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.595406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.595406][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.595406][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.595406][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.595406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.595406][ T10] [ 3286.597444][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3286.597754][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3286.597754][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.597754][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.597754][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.597754][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.597754][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.597754][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.597754][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.597754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.597754][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.597754][ T10] netlink_unicast+0x449/0x710 [ 3286.597754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.597754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.597754][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.597754][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.597754][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.597754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.597754][ T10] [ 3286.599877][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3286.599877][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.599877][ T10] ipv6_find_idev+0x102/0x170 [ 3286.599877][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.599877][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.599877][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.599877][ T10] netlink_unicast+0x449/0x710 [ 3286.599877][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.599877][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.599877][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.599877][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.599877][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.599877][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.599877][ T10] [ 3286.601540][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3286.601540][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.601540][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.601540][ T10] ipv6_find_idev+0x102/0x170 [ 3286.601540][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.601540][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.601540][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.601540][ T10] netlink_unicast+0x449/0x710 [ 3286.601540][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.601540][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.601540][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.601540][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.601540][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.601540][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.601540][ T10] [ 3286.603503][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3286.603812][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3286.603812][ T10] netdev_get_by_index+0x5e/0x80 [ 3286.603812][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3286.603812][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3286.603812][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3286.603812][ T10] ipv6_add_addr+0x411/0x2000 [ 3286.603812][ T10] inet6_addr_add+0x30e/0xa40 [ 3286.603812][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3286.603812][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.603812][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.603812][ T10] netlink_unicast+0x449/0x710 [ 3286.603812][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.603812][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.603812][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.603812][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.603812][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.603812][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.603812][ T10] [ 3286.605999][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3286.605999][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3286.605999][ T10] ipv6_find_idev+0x102/0x170 [ 3286.605999][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.605999][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.605999][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.605999][ T10] netlink_unicast+0x449/0x710 [ 3286.605999][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.605999][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.605999][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.605999][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.605999][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.605999][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.605999][ T10] [ 3286.607788][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3286.607788][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3286.607788][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3286.607788][ T10] ipv6_find_idev+0x102/0x170 [ 3286.607788][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3286.607788][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3286.607788][ T10] netlink_rcv_skb+0x130/0x360 [ 3286.607788][ T10] netlink_unicast+0x449/0x710 [ 3286.607788][ T10] netlink_sendmsg+0x723/0xbe0 [ 3286.607788][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3286.607788][ T10] ___sys_sendmsg+0xee/0x170 [ 3286.607788][ T10] __sys_sendmsg+0xcd/0x170 [ 3286.607788][ T10] do_syscall_64+0xc6/0x1e0 [ 3286.607788][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3286.607788][ T10] [ 3296.731002][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3296.731490][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3296.731490][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.731490][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.731490][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.731490][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.731490][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.731490][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.731490][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.731490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.731490][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.731490][ T10] netlink_unicast+0x449/0x710 [ 3296.731490][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.731490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.731490][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.731490][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.731490][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.731490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.731490][ T10] [ 3296.733531][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3296.733531][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.733531][ T10] ipv6_find_idev+0x102/0x170 [ 3296.733531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.733531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.733531][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.733531][ T10] netlink_unicast+0x449/0x710 [ 3296.733531][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.733531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.733531][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.733531][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.733531][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.733531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.733531][ T10] [ 3296.735077][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3296.735077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.735077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.735077][ T10] ipv6_find_idev+0x102/0x170 [ 3296.735077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.735077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.735077][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.735077][ T10] netlink_unicast+0x449/0x710 [ 3296.735077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.735077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.735077][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.735077][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.735077][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.735077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.735077][ T10] [ 3296.736814][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3296.737098][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3296.737098][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.737098][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.737098][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.737098][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.737098][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.737098][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.737098][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.737098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.737098][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.737098][ T10] netlink_unicast+0x449/0x710 [ 3296.737098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.737098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.737098][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.737098][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.737098][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.737098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.737098][ T10] [ 3296.739101][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3296.739101][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.739101][ T10] ipv6_find_idev+0x102/0x170 [ 3296.739101][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.739101][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.739101][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.739101][ T10] netlink_unicast+0x449/0x710 [ 3296.739101][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.739101][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.739101][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.739101][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.739101][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.739101][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.739101][ T10] [ 3296.740647][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3296.740647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.740647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.740647][ T10] ipv6_find_idev+0x102/0x170 [ 3296.740647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.740647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.740647][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.740647][ T10] netlink_unicast+0x449/0x710 [ 3296.740647][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.740647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.740647][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.740647][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.740647][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.740647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.740647][ T10] [ 3296.742346][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3296.742620][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3296.742620][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.742620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.742620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.742620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.742620][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.742620][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.742620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.742620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.742620][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.742620][ T10] netlink_unicast+0x449/0x710 [ 3296.742620][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.742620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.742620][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.742620][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.742620][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.742620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.742620][ T10] [ 3296.744616][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3296.744616][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.744616][ T10] ipv6_find_idev+0x102/0x170 [ 3296.744616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.744616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.744616][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.744616][ T10] netlink_unicast+0x449/0x710 [ 3296.744616][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.744616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.744616][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.744616][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.744616][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.744616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.744616][ T10] [ 3296.746149][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3296.746149][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.746149][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.746149][ T10] ipv6_find_idev+0x102/0x170 [ 3296.746149][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.746149][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.746149][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.746149][ T10] netlink_unicast+0x449/0x710 [ 3296.746149][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.746149][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.746149][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.746149][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.746149][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.746149][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.746149][ T10] [ 3296.747846][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3296.748146][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3296.748146][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.748146][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.748146][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.748146][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.748146][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.748146][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.748146][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.748146][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.748146][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.748146][ T10] netlink_unicast+0x449/0x710 [ 3296.748146][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.748146][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.748146][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.748146][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.748146][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.748146][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.748146][ T10] [ 3296.750164][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3296.750164][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.750164][ T10] ipv6_find_idev+0x102/0x170 [ 3296.750164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.750164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.750164][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.750164][ T10] netlink_unicast+0x449/0x710 [ 3296.750164][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.750164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.750164][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.750164][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.750164][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.750164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.750164][ T10] [ 3296.751728][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3296.751728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.751728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.751728][ T10] ipv6_find_idev+0x102/0x170 [ 3296.751728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.751728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.751728][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.751728][ T10] netlink_unicast+0x449/0x710 [ 3296.751728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.751728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.751728][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.751728][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.751728][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.751728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.751728][ T10] [ 3296.753803][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3296.754126][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3296.754126][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.754126][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.754126][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.754126][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.754126][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.754126][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.754126][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.754126][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.754126][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.754126][ T10] netlink_unicast+0x449/0x710 [ 3296.754126][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.754126][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.754126][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.754126][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.754126][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.754126][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.754126][ T10] [ 3296.756102][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3296.756102][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.756102][ T10] ipv6_find_idev+0x102/0x170 [ 3296.756102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.756102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.756102][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.756102][ T10] netlink_unicast+0x449/0x710 [ 3296.756102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.756102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.756102][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.756102][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.756102][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.756102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.756102][ T10] [ 3296.757641][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3296.757641][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.757641][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.757641][ T10] ipv6_find_idev+0x102/0x170 [ 3296.757641][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.757641][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.757641][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.757641][ T10] netlink_unicast+0x449/0x710 [ 3296.757641][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.757641][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.757641][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.757641][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.757641][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.757641][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.757641][ T10] [ 3296.759347][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3296.759655][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3296.759655][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.759655][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.759655][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.759655][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.759655][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.759655][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.759655][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.759655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.759655][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.759655][ T10] netlink_unicast+0x449/0x710 [ 3296.759655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.759655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.759655][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.759655][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.759655][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.759655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.759655][ T10] [ 3296.761689][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3296.761689][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.761689][ T10] ipv6_find_idev+0x102/0x170 [ 3296.761689][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.761689][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.761689][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.761689][ T10] netlink_unicast+0x449/0x710 [ 3296.761689][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.761689][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.761689][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.761689][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.761689][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.761689][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.761689][ T10] [ 3296.763388][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3296.763388][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.763388][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.763388][ T10] ipv6_find_idev+0x102/0x170 [ 3296.763388][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.763388][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.763388][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.763388][ T10] netlink_unicast+0x449/0x710 [ 3296.763388][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.763388][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.763388][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.763388][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.763388][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.763388][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.763388][ T10] [ 3296.765402][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3296.765711][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3296.765711][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.765711][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.765711][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.765711][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.765711][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.765711][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.765711][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.765711][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.765711][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.765711][ T10] netlink_unicast+0x449/0x710 [ 3296.765711][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.765711][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.765711][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.765711][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.765711][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.765711][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.765711][ T10] [ 3296.767887][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3296.767887][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.767887][ T10] ipv6_find_idev+0x102/0x170 [ 3296.767887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.767887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.767887][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.767887][ T10] netlink_unicast+0x449/0x710 [ 3296.767887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.767887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.767887][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.767887][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.767887][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.767887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.767887][ T10] [ 3296.769592][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3296.769592][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.769592][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.769592][ T10] ipv6_find_idev+0x102/0x170 [ 3296.769592][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.769592][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.769592][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.769592][ T10] netlink_unicast+0x449/0x710 [ 3296.769592][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.769592][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.769592][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.769592][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.769592][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.769592][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.769592][ T10] [ 3296.771645][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3296.771968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3296.771968][ T10] netdev_get_by_index+0x5e/0x80 [ 3296.771968][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3296.771968][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3296.771968][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3296.771968][ T10] ipv6_add_addr+0x411/0x2000 [ 3296.771968][ T10] inet6_addr_add+0x30e/0xa40 [ 3296.771968][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3296.771968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.771968][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.771968][ T10] netlink_unicast+0x449/0x710 [ 3296.771968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.771968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.771968][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.771968][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.771968][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.771968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.771968][ T10] [ 3296.774654][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3296.774654][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3296.774654][ T10] ipv6_find_idev+0x102/0x170 [ 3296.774654][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.774654][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.774654][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.774654][ T10] netlink_unicast+0x449/0x710 [ 3296.774654][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.774654][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.774654][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.774654][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.774654][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.774654][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.774654][ T10] [ 3296.776354][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3296.776354][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3296.776354][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3296.776354][ T10] ipv6_find_idev+0x102/0x170 [ 3296.776354][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3296.776354][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3296.776354][ T10] netlink_rcv_skb+0x130/0x360 [ 3296.776354][ T10] netlink_unicast+0x449/0x710 [ 3296.776354][ T10] netlink_sendmsg+0x723/0xbe0 [ 3296.776354][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3296.776354][ T10] ___sys_sendmsg+0xee/0x170 [ 3296.776354][ T10] __sys_sendmsg+0xcd/0x170 [ 3296.776354][ T10] do_syscall_64+0xc6/0x1e0 [ 3296.776354][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3296.776354][ T10] [ 3307.018907][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3307.019383][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3307.019383][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.019383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.019383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.019383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.019383][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.019383][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.019383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.019383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.019383][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.019383][ T10] netlink_unicast+0x449/0x710 [ 3307.019383][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.019383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.019383][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.019383][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.019383][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.019383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.019383][ T10] [ 3307.022929][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3307.022929][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.022929][ T10] ipv6_find_idev+0x102/0x170 [ 3307.022929][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.022929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.022929][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.022929][ T10] netlink_unicast+0x449/0x710 [ 3307.022929][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.022929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.022929][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.022929][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.022929][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.022929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.022929][ T10] [ 3307.024508][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3307.024508][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.024508][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.024508][ T10] ipv6_find_idev+0x102/0x170 [ 3307.024508][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.024508][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.024508][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.024508][ T10] netlink_unicast+0x449/0x710 [ 3307.024508][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.024508][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.024508][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.024508][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.024508][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.024508][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.024508][ T10] [ 3307.026203][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3307.026474][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3307.026474][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.026474][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.026474][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.026474][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.026474][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.026474][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.026474][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.026474][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.026474][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.026474][ T10] netlink_unicast+0x449/0x710 [ 3307.026474][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.026474][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.026474][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.026474][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.026474][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.026474][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.026474][ T10] [ 3307.028470][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3307.028470][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.028470][ T10] ipv6_find_idev+0x102/0x170 [ 3307.028470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.028470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.028470][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.028470][ T10] netlink_unicast+0x449/0x710 [ 3307.028470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.028470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.028470][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.028470][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.028470][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.028470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.028470][ T10] [ 3307.030013][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3307.030013][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.030013][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.030013][ T10] ipv6_find_idev+0x102/0x170 [ 3307.030013][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.030013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.030013][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.030013][ T10] netlink_unicast+0x449/0x710 [ 3307.030013][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.030013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.030013][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.030013][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.030013][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.030013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.030013][ T10] [ 3307.031694][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3307.031963][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3307.031963][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.031963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.031963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.031963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.031963][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.031963][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.031963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.031963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.031963][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.031963][ T10] netlink_unicast+0x449/0x710 [ 3307.031963][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.031963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.031963][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.031963][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.031963][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.031963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.031963][ T10] [ 3307.033951][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3307.033951][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.033951][ T10] ipv6_find_idev+0x102/0x170 [ 3307.033951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.033951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.033951][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.033951][ T10] netlink_unicast+0x449/0x710 [ 3307.033951][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.033951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.033951][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.033951][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.033951][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.033951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.033951][ T10] [ 3307.035486][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3307.035486][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.035486][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.035486][ T10] ipv6_find_idev+0x102/0x170 [ 3307.035486][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.035486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.035486][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.035486][ T10] netlink_unicast+0x449/0x710 [ 3307.035486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.035486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.035486][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.035486][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.035486][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.035486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.035486][ T10] [ 3307.037163][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3307.037437][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3307.037437][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.037437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.037437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.037437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.037437][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.037437][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.037437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.037437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.037437][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.037437][ T10] netlink_unicast+0x449/0x710 [ 3307.037437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.037437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.037437][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.037437][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.037437][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.037437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.037437][ T10] [ 3307.039431][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3307.039431][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.039431][ T10] ipv6_find_idev+0x102/0x170 [ 3307.039431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.039431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.039431][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.039431][ T10] netlink_unicast+0x449/0x710 [ 3307.039431][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.039431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.039431][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.039431][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.039431][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.039431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.039431][ T10] [ 3307.040956][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3307.040956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.040956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.040956][ T10] ipv6_find_idev+0x102/0x170 [ 3307.040956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.040956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.040956][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.040956][ T10] netlink_unicast+0x449/0x710 [ 3307.040956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.040956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.040956][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.040956][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.040956][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.040956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.040956][ T10] [ 3307.043063][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3307.043335][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3307.043335][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.043335][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.043335][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.043335][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.043335][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.043335][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.043335][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.043335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.043335][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.043335][ T10] netlink_unicast+0x449/0x710 [ 3307.043335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.043335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.043335][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.043335][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.043335][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.043335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.043335][ T10] [ 3307.045320][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3307.045320][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.045320][ T10] ipv6_find_idev+0x102/0x170 [ 3307.045320][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.045320][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.045320][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.045320][ T10] netlink_unicast+0x449/0x710 [ 3307.045320][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.045320][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.045320][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.045320][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.045320][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.045320][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.045320][ T10] [ 3307.046862][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3307.046862][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.046862][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.046862][ T10] ipv6_find_idev+0x102/0x170 [ 3307.046862][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.046862][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.046862][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.046862][ T10] netlink_unicast+0x449/0x710 [ 3307.046862][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.046862][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.046862][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.046862][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.046862][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.046862][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.046862][ T10] [ 3307.048593][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3307.048879][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3307.048879][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.048879][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.048879][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.048879][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.048879][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.048879][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.048879][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.048879][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.048879][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.048879][ T10] netlink_unicast+0x449/0x710 [ 3307.048879][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.048879][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.048879][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.048879][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.048879][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.048879][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.048879][ T10] [ 3307.050953][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3307.050953][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.050953][ T10] ipv6_find_idev+0x102/0x170 [ 3307.050953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.050953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.050953][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.050953][ T10] netlink_unicast+0x449/0x710 [ 3307.050953][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.050953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.050953][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.050953][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.050953][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.050953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.050953][ T10] [ 3307.052749][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3307.052749][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.052749][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.052749][ T10] ipv6_find_idev+0x102/0x170 [ 3307.052749][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.052749][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.052749][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.052749][ T10] netlink_unicast+0x449/0x710 [ 3307.052749][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.052749][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.052749][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.052749][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.052749][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.052749][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.052749][ T10] [ 3307.054723][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3307.055037][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3307.055037][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.055037][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.055037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.055037][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.055037][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.055037][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.055037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.055037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.055037][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.055037][ T10] netlink_unicast+0x449/0x710 [ 3307.055037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.055037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.055037][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.055037][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.055037][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.055037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.055037][ T10] [ 3307.057218][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3307.057218][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.057218][ T10] ipv6_find_idev+0x102/0x170 [ 3307.057218][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.057218][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.057218][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.057218][ T10] netlink_unicast+0x449/0x710 [ 3307.057218][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.057218][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.057218][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.057218][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.057218][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.057218][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.057218][ T10] [ 3307.058937][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3307.058937][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.058937][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.058937][ T10] ipv6_find_idev+0x102/0x170 [ 3307.058937][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.058937][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.058937][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.058937][ T10] netlink_unicast+0x449/0x710 [ 3307.058937][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.058937][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.058937][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.058937][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.058937][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.058937][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.058937][ T10] [ 3307.060860][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3307.061119][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3307.061119][ T10] netdev_get_by_index+0x5e/0x80 [ 3307.061119][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3307.061119][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3307.061119][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3307.061119][ T10] ipv6_add_addr+0x411/0x2000 [ 3307.061119][ T10] inet6_addr_add+0x30e/0xa40 [ 3307.061119][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3307.061119][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.061119][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.061119][ T10] netlink_unicast+0x449/0x710 [ 3307.061119][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.061119][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.061119][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.061119][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.061119][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.061119][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.061119][ T10] [ 3307.063347][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3307.063347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3307.063347][ T10] ipv6_find_idev+0x102/0x170 [ 3307.063347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.063347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.063347][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.063347][ T10] netlink_unicast+0x449/0x710 [ 3307.063347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.063347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.063347][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.063347][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.063347][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.063347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.063347][ T10] [ 3307.065059][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3307.065059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3307.065059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3307.065059][ T10] ipv6_find_idev+0x102/0x170 [ 3307.065059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3307.065059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3307.065059][ T10] netlink_rcv_skb+0x130/0x360 [ 3307.065059][ T10] netlink_unicast+0x449/0x710 [ 3307.065059][ T10] netlink_sendmsg+0x723/0xbe0 [ 3307.065059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3307.065059][ T10] ___sys_sendmsg+0xee/0x170 [ 3307.065059][ T10] __sys_sendmsg+0xcd/0x170 [ 3307.065059][ T10] do_syscall_64+0xc6/0x1e0 [ 3307.065059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3307.065059][ T10] [ 3317.139004][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3317.139381][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3317.139381][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.139381][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.139381][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.139381][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.139381][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.139381][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.139381][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.139381][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.139381][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.139381][ T10] netlink_unicast+0x449/0x710 [ 3317.139381][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.139381][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.139381][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.139381][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.139381][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.139381][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.139381][ T10] [ 3317.141430][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3317.141430][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.141430][ T10] ipv6_find_idev+0x102/0x170 [ 3317.141430][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.141430][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.141430][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.141430][ T10] netlink_unicast+0x449/0x710 [ 3317.141430][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.141430][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.141430][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.141430][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.141430][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.141430][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.141430][ T10] [ 3317.142952][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3317.142952][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.142952][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.142952][ T10] ipv6_find_idev+0x102/0x170 [ 3317.142952][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.142952][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.142952][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.142952][ T10] netlink_unicast+0x449/0x710 [ 3317.142952][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.142952][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.142952][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.142952][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.142952][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.142952][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.142952][ T10] [ 3317.144618][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3317.144878][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3317.144878][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.144878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.144878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.144878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.144878][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.144878][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.144878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.144878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.144878][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.144878][ T10] netlink_unicast+0x449/0x710 [ 3317.144878][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.144878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.144878][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.144878][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.144878][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.144878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.144878][ T10] [ 3317.146863][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3317.146863][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.146863][ T10] ipv6_find_idev+0x102/0x170 [ 3317.146863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.146863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.146863][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.146863][ T10] netlink_unicast+0x449/0x710 [ 3317.146863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.146863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.146863][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.146863][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.146863][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.146863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.146863][ T10] [ 3317.148413][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3317.148413][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.148413][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.148413][ T10] ipv6_find_idev+0x102/0x170 [ 3317.148413][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.148413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.148413][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.148413][ T10] netlink_unicast+0x449/0x710 [ 3317.148413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.148413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.148413][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.148413][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.148413][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.148413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.148413][ T10] [ 3317.150070][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3317.150336][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3317.150336][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.150336][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.150336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.150336][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.150336][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.150336][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.150336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.150336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.150336][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.150336][ T10] netlink_unicast+0x449/0x710 [ 3317.150336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.150336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.150336][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.150336][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.150336][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.150336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.150336][ T10] [ 3317.152308][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3317.152308][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.152308][ T10] ipv6_find_idev+0x102/0x170 [ 3317.152308][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.152308][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.152308][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.152308][ T10] netlink_unicast+0x449/0x710 [ 3317.152308][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.152308][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.152308][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.152308][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.152308][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.152308][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.152308][ T10] [ 3317.153833][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3317.153833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.153833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.153833][ T10] ipv6_find_idev+0x102/0x170 [ 3317.153833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.153833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.153833][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.153833][ T10] netlink_unicast+0x449/0x710 [ 3317.153833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.153833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.153833][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.153833][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.153833][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.153833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.153833][ T10] [ 3317.155501][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3317.155772][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3317.155772][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.155772][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.155772][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.155772][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.155772][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.155772][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.155772][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.155772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.155772][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.155772][ T10] netlink_unicast+0x449/0x710 [ 3317.155772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.155772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.155772][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.155772][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.155772][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.155772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.155772][ T10] [ 3317.157779][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3317.157779][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.157779][ T10] ipv6_find_idev+0x102/0x170 [ 3317.157779][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.157779][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.157779][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.157779][ T10] netlink_unicast+0x449/0x710 [ 3317.157779][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.157779][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.157779][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.157779][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.157779][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.157779][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.157779][ T10] [ 3317.159307][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3317.159307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.159307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.159307][ T10] ipv6_find_idev+0x102/0x170 [ 3317.159307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.159307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.159307][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.159307][ T10] netlink_unicast+0x449/0x710 [ 3317.159307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.159307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.159307][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.159307][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.159307][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.159307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.159307][ T10] [ 3317.161360][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3317.161626][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3317.161626][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.161626][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.161626][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.161626][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.161626][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.161626][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.161626][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.161626][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.161626][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.161626][ T10] netlink_unicast+0x449/0x710 [ 3317.161626][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.161626][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.161626][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.161626][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.161626][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.161626][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.161626][ T10] [ 3317.163683][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3317.163683][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.163683][ T10] ipv6_find_idev+0x102/0x170 [ 3317.163683][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.163683][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.163683][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.163683][ T10] netlink_unicast+0x449/0x710 [ 3317.163683][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.163683][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.163683][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.163683][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.163683][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.163683][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.163683][ T10] [ 3317.165287][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3317.165287][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.165287][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.165287][ T10] ipv6_find_idev+0x102/0x170 [ 3317.165287][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.165287][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.165287][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.165287][ T10] netlink_unicast+0x449/0x710 [ 3317.165287][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.165287][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.165287][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.165287][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.165287][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.165287][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.165287][ T10] [ 3317.167000][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3317.167274][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3317.167274][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.167274][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.167274][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.167274][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.167274][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.167274][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.167274][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.167274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.167274][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.167274][ T10] netlink_unicast+0x449/0x710 [ 3317.167274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.167274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.167274][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.167274][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.167274][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.167274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.167274][ T10] [ 3317.169436][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3317.169436][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.169436][ T10] ipv6_find_idev+0x102/0x170 [ 3317.169436][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.169436][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.169436][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.169436][ T10] netlink_unicast+0x449/0x710 [ 3317.169436][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.169436][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.169436][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.169436][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.169436][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.169436][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.169436][ T10] [ 3317.171212][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3317.171212][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.171212][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.171212][ T10] ipv6_find_idev+0x102/0x170 [ 3317.171212][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.171212][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.171212][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.171212][ T10] netlink_unicast+0x449/0x710 [ 3317.171212][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.171212][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.171212][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.171212][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.171212][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.171212][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.171212][ T10] [ 3317.173182][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3317.173446][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3317.173446][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.173446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.173446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.173446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.173446][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.173446][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.173446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.173446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.173446][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.173446][ T10] netlink_unicast+0x449/0x710 [ 3317.173446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.173446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.173446][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.173446][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.173446][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.173446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.173446][ T10] [ 3317.175611][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3317.175611][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.175611][ T10] ipv6_find_idev+0x102/0x170 [ 3317.175611][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.175611][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.175611][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.175611][ T10] netlink_unicast+0x449/0x710 [ 3317.175611][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.175611][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.175611][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.175611][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.175611][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.175611][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.175611][ T10] [ 3317.177833][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3317.177833][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.177833][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.177833][ T10] ipv6_find_idev+0x102/0x170 [ 3317.177833][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.177833][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.177833][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.177833][ T10] netlink_unicast+0x449/0x710 [ 3317.177833][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.177833][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.177833][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.177833][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.177833][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.177833][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.177833][ T10] [ 3317.179730][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3317.180054][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3317.180054][ T10] netdev_get_by_index+0x5e/0x80 [ 3317.180054][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3317.180054][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3317.180054][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3317.180054][ T10] ipv6_add_addr+0x411/0x2000 [ 3317.180054][ T10] inet6_addr_add+0x30e/0xa40 [ 3317.180054][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3317.180054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.180054][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.180054][ T10] netlink_unicast+0x449/0x710 [ 3317.180054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.180054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.180054][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.180054][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.180054][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.180054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.180054][ T10] [ 3317.182277][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3317.182277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3317.182277][ T10] ipv6_find_idev+0x102/0x170 [ 3317.182277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.182277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.182277][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.182277][ T10] netlink_unicast+0x449/0x710 [ 3317.182277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.182277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.182277][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.182277][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.182277][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.182277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.182277][ T10] [ 3317.183990][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3317.183990][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3317.183990][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3317.183990][ T10] ipv6_find_idev+0x102/0x170 [ 3317.183990][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3317.183990][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3317.183990][ T10] netlink_rcv_skb+0x130/0x360 [ 3317.183990][ T10] netlink_unicast+0x449/0x710 [ 3317.183990][ T10] netlink_sendmsg+0x723/0xbe0 [ 3317.183990][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3317.183990][ T10] ___sys_sendmsg+0xee/0x170 [ 3317.183990][ T10] __sys_sendmsg+0xcd/0x170 [ 3317.183990][ T10] do_syscall_64+0xc6/0x1e0 [ 3317.183990][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3317.183990][ T10] [ 3327.427000][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3327.427424][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3327.427424][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.427424][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.427424][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.427424][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.427424][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.427424][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.427424][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.427424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.427424][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.427424][ T10] netlink_unicast+0x449/0x710 [ 3327.427424][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.427424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.427424][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.427424][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.427424][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.427424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.427424][ T10] [ 3327.429442][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3327.429442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.429442][ T10] ipv6_find_idev+0x102/0x170 [ 3327.429442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.429442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.429442][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.429442][ T10] netlink_unicast+0x449/0x710 [ 3327.429442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.429442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.429442][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.429442][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.429442][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.429442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.429442][ T10] [ 3327.430976][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3327.430976][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.430976][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.430976][ T10] ipv6_find_idev+0x102/0x170 [ 3327.430976][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.430976][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.430976][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.430976][ T10] netlink_unicast+0x449/0x710 [ 3327.430976][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.430976][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.430976][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.430976][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.430976][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.430976][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.430976][ T10] [ 3327.432654][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3327.432928][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3327.432928][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.432928][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.432928][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.432928][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.432928][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.432928][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.432928][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.432928][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.432928][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.432928][ T10] netlink_unicast+0x449/0x710 [ 3327.432928][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.432928][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.432928][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.432928][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.432928][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.432928][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.432928][ T10] [ 3327.434917][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3327.434917][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.434917][ T10] ipv6_find_idev+0x102/0x170 [ 3327.434917][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.434917][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.434917][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.434917][ T10] netlink_unicast+0x449/0x710 [ 3327.434917][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.434917][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.434917][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.434917][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.434917][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.434917][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.434917][ T10] [ 3327.436464][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3327.436464][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.436464][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.436464][ T10] ipv6_find_idev+0x102/0x170 [ 3327.436464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.436464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.436464][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.436464][ T10] netlink_unicast+0x449/0x710 [ 3327.436464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.436464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.436464][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.436464][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.436464][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.436464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.436464][ T10] [ 3327.438151][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3327.438450][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3327.438450][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.438450][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.438450][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.438450][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.438450][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.438450][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.438450][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.438450][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.438450][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.438450][ T10] netlink_unicast+0x449/0x710 [ 3327.438450][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.438450][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.438450][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.438450][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.438450][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.438450][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.438450][ T10] [ 3327.440437][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3327.440437][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.440437][ T10] ipv6_find_idev+0x102/0x170 [ 3327.440437][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.440437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.440437][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.440437][ T10] netlink_unicast+0x449/0x710 [ 3327.440437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.440437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.440437][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.440437][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.440437][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.440437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.440437][ T10] [ 3327.441962][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3327.441962][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.441962][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.441962][ T10] ipv6_find_idev+0x102/0x170 [ 3327.441962][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.441962][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.441962][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.441962][ T10] netlink_unicast+0x449/0x710 [ 3327.441962][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.441962][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.441962][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.441962][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.441962][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.441962][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.441962][ T10] [ 3327.443624][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3327.444342][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3327.444342][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.444342][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.444342][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.444342][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.444342][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.444342][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.444342][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.444342][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.444342][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.444342][ T10] netlink_unicast+0x449/0x710 [ 3327.444342][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.444342][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.444342][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.444342][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.444342][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.444342][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.444342][ T10] [ 3327.446313][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3327.446313][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.446313][ T10] ipv6_find_idev+0x102/0x170 [ 3327.446313][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.446313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.446313][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.446313][ T10] netlink_unicast+0x449/0x710 [ 3327.446313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.446313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.446313][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.446313][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.446313][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.446313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.446313][ T10] [ 3327.447843][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3327.447843][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.447843][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.447843][ T10] ipv6_find_idev+0x102/0x170 [ 3327.447843][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.447843][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.447843][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.447843][ T10] netlink_unicast+0x449/0x710 [ 3327.447843][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.447843][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.447843][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.447843][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.447843][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.447843][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.447843][ T10] [ 3327.449550][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3327.449817][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3327.449817][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.449817][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.449817][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.449817][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.449817][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.449817][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.449817][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.449817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.449817][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.449817][ T10] netlink_unicast+0x449/0x710 [ 3327.449817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.449817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.449817][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.449817][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.449817][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.449817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.449817][ T10] [ 3327.451792][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3327.451792][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.451792][ T10] ipv6_find_idev+0x102/0x170 [ 3327.451792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.451792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.451792][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.451792][ T10] netlink_unicast+0x449/0x710 [ 3327.451792][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.451792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.451792][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.451792][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.451792][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.451792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.451792][ T10] [ 3327.453335][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3327.453335][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.453335][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.453335][ T10] ipv6_find_idev+0x102/0x170 [ 3327.453335][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.453335][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.453335][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.453335][ T10] netlink_unicast+0x449/0x710 [ 3327.453335][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.453335][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.453335][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.453335][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.453335][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.453335][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.453335][ T10] [ 3327.455040][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3327.455307][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3327.455307][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.455307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.455307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.455307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.455307][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.455307][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.455307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.455307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.455307][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.455307][ T10] netlink_unicast+0x449/0x710 [ 3327.455307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.455307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.455307][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.455307][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.455307][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.455307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.455307][ T10] [ 3327.457454][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3327.457454][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.457454][ T10] ipv6_find_idev+0x102/0x170 [ 3327.457454][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.457454][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.457454][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.457454][ T10] netlink_unicast+0x449/0x710 [ 3327.457454][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.457454][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.457454][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.457454][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.457454][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.457454][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.457454][ T10] [ 3327.459239][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3327.459239][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.459239][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.459239][ T10] ipv6_find_idev+0x102/0x170 [ 3327.459239][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.459239][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.459239][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.459239][ T10] netlink_unicast+0x449/0x710 [ 3327.459239][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.459239][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.459239][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.459239][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.459239][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.459239][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.459239][ T10] [ 3327.461174][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3327.461440][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3327.461440][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.461440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.461440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.461440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.461440][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.461440][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.461440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.461440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.461440][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.461440][ T10] netlink_unicast+0x449/0x710 [ 3327.461440][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.461440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.461440][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.461440][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.461440][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.461440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.461440][ T10] [ 3327.463628][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3327.463628][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.463628][ T10] ipv6_find_idev+0x102/0x170 [ 3327.463628][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.463628][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.463628][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.463628][ T10] netlink_unicast+0x449/0x710 [ 3327.463628][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.463628][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.463628][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.463628][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.463628][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.463628][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.463628][ T10] [ 3327.465332][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3327.465332][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.465332][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.465332][ T10] ipv6_find_idev+0x102/0x170 [ 3327.465332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.465332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.465332][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.465332][ T10] netlink_unicast+0x449/0x710 [ 3327.465332][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.465332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.465332][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.465332][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.465332][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.465332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.465332][ T10] [ 3327.467250][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3327.467510][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3327.467510][ T10] netdev_get_by_index+0x5e/0x80 [ 3327.467510][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3327.467510][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3327.467510][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3327.467510][ T10] ipv6_add_addr+0x411/0x2000 [ 3327.467510][ T10] inet6_addr_add+0x30e/0xa40 [ 3327.467510][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3327.467510][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.467510][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.467510][ T10] netlink_unicast+0x449/0x710 [ 3327.467510][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.467510][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.467510][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.467510][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.467510][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.467510][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.467510][ T10] [ 3327.469752][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3327.469752][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3327.469752][ T10] ipv6_find_idev+0x102/0x170 [ 3327.469752][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.469752][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.469752][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.469752][ T10] netlink_unicast+0x449/0x710 [ 3327.469752][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.469752][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.469752][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.469752][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.469752][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.469752][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.469752][ T10] [ 3327.471524][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3327.471524][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3327.471524][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3327.471524][ T10] ipv6_find_idev+0x102/0x170 [ 3327.471524][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3327.471524][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3327.471524][ T10] netlink_rcv_skb+0x130/0x360 [ 3327.471524][ T10] netlink_unicast+0x449/0x710 [ 3327.471524][ T10] netlink_sendmsg+0x723/0xbe0 [ 3327.471524][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3327.471524][ T10] ___sys_sendmsg+0xee/0x170 [ 3327.471524][ T10] __sys_sendmsg+0xcd/0x170 [ 3327.471524][ T10] do_syscall_64+0xc6/0x1e0 [ 3327.471524][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3327.471524][ T10] [ 3337.714965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3337.715425][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3337.715425][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.715425][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.715425][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.715425][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.715425][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.715425][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.715425][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.715425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.715425][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.715425][ T10] netlink_unicast+0x449/0x710 [ 3337.715425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.715425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.715425][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.715425][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.715425][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.715425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.715425][ T10] [ 3337.717930][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3337.717930][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.717930][ T10] ipv6_find_idev+0x102/0x170 [ 3337.717930][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.717930][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.717930][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.717930][ T10] netlink_unicast+0x449/0x710 [ 3337.717930][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.717930][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.717930][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.717930][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.717930][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.717930][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.717930][ T10] [ 3337.719820][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3337.719820][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.719820][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.719820][ T10] ipv6_find_idev+0x102/0x170 [ 3337.719820][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.719820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.719820][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.719820][ T10] netlink_unicast+0x449/0x710 [ 3337.719820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.719820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.719820][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.719820][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.719820][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.719820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.719820][ T10] [ 3337.721883][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3337.722201][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3337.722201][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.722201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.722201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.722201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.722201][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.722201][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.722201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.722201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.722201][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.722201][ T10] netlink_unicast+0x449/0x710 [ 3337.722201][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.722201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.722201][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.722201][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.722201][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.722201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.722201][ T10] [ 3337.724661][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3337.724661][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.724661][ T10] ipv6_find_idev+0x102/0x170 [ 3337.724661][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.724661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.724661][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.724661][ T10] netlink_unicast+0x449/0x710 [ 3337.724661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.724661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.724661][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.724661][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.724661][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.724661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.724661][ T10] [ 3337.726554][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3337.726554][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.726554][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.726554][ T10] ipv6_find_idev+0x102/0x170 [ 3337.726554][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.726554][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.726554][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.726554][ T10] netlink_unicast+0x449/0x710 [ 3337.726554][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.726554][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.726554][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.726554][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.726554][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.726554][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.726554][ T10] [ 3337.728626][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3337.728951][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3337.728951][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.728951][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.728951][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.728951][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.728951][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.728951][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.728951][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.728951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.728951][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.728951][ T10] netlink_unicast+0x449/0x710 [ 3337.728951][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.728951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.728951][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.728951][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.728951][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.728951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.728951][ T10] [ 3337.731404][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3337.731404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.731404][ T10] ipv6_find_idev+0x102/0x170 [ 3337.731404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.731404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.731404][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.731404][ T10] netlink_unicast+0x449/0x710 [ 3337.731404][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.731404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.731404][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.731404][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.731404][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.731404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.731404][ T10] [ 3337.733290][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3337.733290][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.733290][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.733290][ T10] ipv6_find_idev+0x102/0x170 [ 3337.733290][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.733290][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.733290][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.733290][ T10] netlink_unicast+0x449/0x710 [ 3337.733290][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.733290][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.733290][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.733290][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.733290][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.733290][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.733290][ T10] [ 3337.736212][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3337.736534][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3337.736534][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.736534][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.736534][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.736534][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.736534][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.736534][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.736534][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.736534][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.736534][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.736534][ T10] netlink_unicast+0x449/0x710 [ 3337.736534][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.736534][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.736534][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.736534][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.736534][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.736534][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.736534][ T10] [ 3337.739000][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3337.739000][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.739000][ T10] ipv6_find_idev+0x102/0x170 [ 3337.739000][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.739000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.739000][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.739000][ T10] netlink_unicast+0x449/0x710 [ 3337.739000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.739000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.739000][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.739000][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.739000][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.739000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.739000][ T10] [ 3337.740891][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3337.740891][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.740891][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.740891][ T10] ipv6_find_idev+0x102/0x170 [ 3337.740891][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.740891][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.740891][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.740891][ T10] netlink_unicast+0x449/0x710 [ 3337.740891][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.740891][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.740891][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.740891][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.740891][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.740891][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.740891][ T10] [ 3337.743356][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3337.743695][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3337.743695][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.743695][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.743695][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.743695][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.743695][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.743695][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.743695][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.743695][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.743695][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.743695][ T10] netlink_unicast+0x449/0x710 [ 3337.743695][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.743695][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.743695][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.743695][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.743695][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.743695][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.743695][ T10] [ 3337.751619][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3337.751619][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.751619][ T10] ipv6_find_idev+0x102/0x170 [ 3337.751619][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.751619][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.751619][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.751619][ T10] netlink_unicast+0x449/0x710 [ 3337.751619][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.751619][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.751619][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.751619][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.751619][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.751619][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.751619][ T10] [ 3337.753519][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3337.753519][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.753519][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.753519][ T10] ipv6_find_idev+0x102/0x170 [ 3337.753519][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.753519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.753519][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.753519][ T10] netlink_unicast+0x449/0x710 [ 3337.753519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.753519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.753519][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.753519][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.753519][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.753519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.753519][ T10] [ 3337.755629][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3337.756014][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3337.756014][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.756014][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.756014][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.756014][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.756014][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.756014][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.756014][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.756014][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.756014][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.756014][ T10] netlink_unicast+0x449/0x710 [ 3337.756014][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.756014][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.756014][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.756014][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.756014][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.756014][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.756014][ T10] [ 3337.758561][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3337.758561][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.758561][ T10] ipv6_find_idev+0x102/0x170 [ 3337.758561][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.758561][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.758561][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.758561][ T10] netlink_unicast+0x449/0x710 [ 3337.758561][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.758561][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.758561][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.758561][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.758561][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.758561][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.758561][ T10] [ 3337.760692][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3337.760692][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.760692][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.760692][ T10] ipv6_find_idev+0x102/0x170 [ 3337.760692][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.760692][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.760692][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.760692][ T10] netlink_unicast+0x449/0x710 [ 3337.760692][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.760692][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.760692][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.760692][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.760692][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.760692][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.760692][ T10] [ 3337.763032][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3337.763360][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3337.763360][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.763360][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.763360][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.763360][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.763360][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.763360][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.763360][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.763360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.763360][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.763360][ T10] netlink_unicast+0x449/0x710 [ 3337.763360][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.763360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.763360][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.763360][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.763360][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.763360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.763360][ T10] [ 3337.765982][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3337.765982][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.765982][ T10] ipv6_find_idev+0x102/0x170 [ 3337.765982][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.765982][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.765982][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.765982][ T10] netlink_unicast+0x449/0x710 [ 3337.765982][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.765982][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.765982][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.765982][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.765982][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.765982][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.765982][ T10] [ 3337.768059][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3337.768059][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.768059][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.768059][ T10] ipv6_find_idev+0x102/0x170 [ 3337.768059][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.768059][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.768059][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.768059][ T10] netlink_unicast+0x449/0x710 [ 3337.768059][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.768059][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.768059][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.768059][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.768059][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.768059][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.768059][ T10] [ 3337.770416][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3337.770729][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3337.770729][ T10] netdev_get_by_index+0x5e/0x80 [ 3337.770729][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3337.770729][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3337.770729][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3337.770729][ T10] ipv6_add_addr+0x411/0x2000 [ 3337.770729][ T10] inet6_addr_add+0x30e/0xa40 [ 3337.770729][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3337.770729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.770729][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.770729][ T10] netlink_unicast+0x449/0x710 [ 3337.770729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.770729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.770729][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.770729][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.770729][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.770729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.770729][ T10] [ 3337.773418][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3337.773418][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3337.773418][ T10] ipv6_find_idev+0x102/0x170 [ 3337.773418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.773418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.773418][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.773418][ T10] netlink_unicast+0x449/0x710 [ 3337.773418][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.773418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.773418][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.773418][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.773418][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.773418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.773418][ T10] [ 3337.775479][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3337.775479][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3337.775479][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3337.775479][ T10] ipv6_find_idev+0x102/0x170 [ 3337.775479][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3337.775479][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3337.775479][ T10] netlink_rcv_skb+0x130/0x360 [ 3337.775479][ T10] netlink_unicast+0x449/0x710 [ 3337.775479][ T10] netlink_sendmsg+0x723/0xbe0 [ 3337.775479][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3337.775479][ T10] ___sys_sendmsg+0xee/0x170 [ 3337.775479][ T10] __sys_sendmsg+0xcd/0x170 [ 3337.775479][ T10] do_syscall_64+0xc6/0x1e0 [ 3337.775479][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3337.775479][ T10] [ 3348.018986][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3348.019395][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3348.019395][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.019395][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.019395][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.019395][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.019395][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.019395][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.019395][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.019395][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.019395][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.019395][ T10] netlink_unicast+0x449/0x710 [ 3348.019395][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.019395][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.019395][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.019395][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.019395][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.019395][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.019395][ T10] [ 3348.021443][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3348.021443][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.021443][ T10] ipv6_find_idev+0x102/0x170 [ 3348.021443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.021443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.021443][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.021443][ T10] netlink_unicast+0x449/0x710 [ 3348.021443][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.021443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.021443][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.021443][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.021443][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.021443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.021443][ T10] [ 3348.022993][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3348.022993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.022993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.022993][ T10] ipv6_find_idev+0x102/0x170 [ 3348.022993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.022993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.022993][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.022993][ T10] netlink_unicast+0x449/0x710 [ 3348.022993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.022993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.022993][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.022993][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.022993][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.022993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.022993][ T10] [ 3348.024693][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3348.024987][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3348.024987][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.024987][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.024987][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.024987][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.024987][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.024987][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.024987][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.024987][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.024987][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.024987][ T10] netlink_unicast+0x449/0x710 [ 3348.024987][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.024987][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.024987][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.024987][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.024987][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.024987][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.024987][ T10] [ 3348.026994][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3348.026994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.026994][ T10] ipv6_find_idev+0x102/0x170 [ 3348.026994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.026994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.026994][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.026994][ T10] netlink_unicast+0x449/0x710 [ 3348.026994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.026994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.026994][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.026994][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.026994][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.026994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.026994][ T10] [ 3348.028543][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3348.028543][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.028543][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.028543][ T10] ipv6_find_idev+0x102/0x170 [ 3348.028543][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.028543][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.028543][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.028543][ T10] netlink_unicast+0x449/0x710 [ 3348.028543][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.028543][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.028543][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.028543][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.028543][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.028543][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.028543][ T10] [ 3348.030233][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3348.030496][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3348.030496][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.030496][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.030496][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.030496][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.030496][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.030496][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.030496][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.030496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.030496][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.030496][ T10] netlink_unicast+0x449/0x710 [ 3348.030496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.030496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.030496][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.030496][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.030496][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.030496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.030496][ T10] [ 3348.032496][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3348.032496][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.032496][ T10] ipv6_find_idev+0x102/0x170 [ 3348.032496][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.032496][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.032496][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.032496][ T10] netlink_unicast+0x449/0x710 [ 3348.032496][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.032496][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.032496][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.032496][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.032496][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.032496][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.032496][ T10] [ 3348.034037][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3348.034037][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.034037][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.034037][ T10] ipv6_find_idev+0x102/0x170 [ 3348.034037][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.034037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.034037][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.034037][ T10] netlink_unicast+0x449/0x710 [ 3348.034037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.034037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.034037][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.034037][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.034037][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.034037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.034037][ T10] [ 3348.035721][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3348.036442][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3348.036442][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.036442][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.036442][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.036442][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.036442][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.036442][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.036442][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.036442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.036442][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.036442][ T10] netlink_unicast+0x449/0x710 [ 3348.036442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.036442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.036442][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.036442][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.036442][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.036442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.036442][ T10] [ 3348.038458][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3348.038458][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.038458][ T10] ipv6_find_idev+0x102/0x170 [ 3348.038458][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.038458][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.038458][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.038458][ T10] netlink_unicast+0x449/0x710 [ 3348.038458][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.038458][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.038458][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.038458][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.038458][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.038458][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.038458][ T10] [ 3348.039993][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3348.039993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.039993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.039993][ T10] ipv6_find_idev+0x102/0x170 [ 3348.039993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.039993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.039993][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.039993][ T10] netlink_unicast+0x449/0x710 [ 3348.039993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.039993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.039993][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.039993][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.039993][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.039993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.039993][ T10] [ 3348.041722][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3348.042046][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3348.042046][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.042046][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.042046][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.042046][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.042046][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.042046][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.042046][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.042046][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.042046][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.042046][ T10] netlink_unicast+0x449/0x710 [ 3348.042046][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.042046][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.042046][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.042046][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.042046][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.042046][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.042046][ T10] [ 3348.044040][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3348.044040][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.044040][ T10] ipv6_find_idev+0x102/0x170 [ 3348.044040][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.044040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.044040][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.044040][ T10] netlink_unicast+0x449/0x710 [ 3348.044040][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.044040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.044040][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.044040][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.044040][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.044040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.044040][ T10] [ 3348.045589][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3348.045589][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.045589][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.045589][ T10] ipv6_find_idev+0x102/0x170 [ 3348.045589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.045589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.045589][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.045589][ T10] netlink_unicast+0x449/0x710 [ 3348.045589][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.045589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.045589][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.045589][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.045589][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.045589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.045589][ T10] [ 3348.047314][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3348.047627][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3348.047627][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.047627][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.047627][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.047627][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.047627][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.047627][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.047627][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.047627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.047627][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.047627][ T10] netlink_unicast+0x449/0x710 [ 3348.047627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.047627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.047627][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.047627][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.047627][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.047627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.047627][ T10] [ 3348.049606][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3348.049606][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.049606][ T10] ipv6_find_idev+0x102/0x170 [ 3348.049606][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.049606][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.049606][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.049606][ T10] netlink_unicast+0x449/0x710 [ 3348.049606][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.049606][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.049606][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.049606][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.049606][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.049606][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.049606][ T10] [ 3348.051307][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3348.051307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.051307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.051307][ T10] ipv6_find_idev+0x102/0x170 [ 3348.051307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.051307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.051307][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.051307][ T10] netlink_unicast+0x449/0x710 [ 3348.051307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.051307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.051307][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.051307][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.051307][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.051307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.051307][ T10] [ 3348.053328][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3348.053637][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3348.053637][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.053637][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.053637][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.053637][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.053637][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.053637][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.053637][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.053637][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.053637][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.053637][ T10] netlink_unicast+0x449/0x710 [ 3348.053637][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.053637][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.053637][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.053637][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.053637][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.053637][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.053637][ T10] [ 3348.055792][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3348.055792][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.055792][ T10] ipv6_find_idev+0x102/0x170 [ 3348.055792][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.055792][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.055792][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.055792][ T10] netlink_unicast+0x449/0x710 [ 3348.055792][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.055792][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.055792][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.055792][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.055792][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.055792][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.055792][ T10] [ 3348.057443][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3348.057443][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.057443][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.057443][ T10] ipv6_find_idev+0x102/0x170 [ 3348.057443][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.057443][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.057443][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.057443][ T10] netlink_unicast+0x449/0x710 [ 3348.057443][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.057443][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.057443][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.057443][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.057443][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.057443][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.057443][ T10] [ 3348.059394][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3348.059698][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3348.059698][ T10] netdev_get_by_index+0x5e/0x80 [ 3348.059698][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3348.059698][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3348.059698][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3348.059698][ T10] ipv6_add_addr+0x411/0x2000 [ 3348.059698][ T10] inet6_addr_add+0x30e/0xa40 [ 3348.059698][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3348.059698][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.059698][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.059698][ T10] netlink_unicast+0x449/0x710 [ 3348.059698][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.059698][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.059698][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.059698][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.059698][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.059698][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.059698][ T10] [ 3348.061854][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3348.061854][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3348.061854][ T10] ipv6_find_idev+0x102/0x170 [ 3348.061854][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.061854][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.061854][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.061854][ T10] netlink_unicast+0x449/0x710 [ 3348.061854][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.061854][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.061854][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.061854][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.061854][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.061854][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.061854][ T10] [ 3348.063617][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3348.063617][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3348.063617][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3348.063617][ T10] ipv6_find_idev+0x102/0x170 [ 3348.063617][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3348.063617][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3348.063617][ T10] netlink_rcv_skb+0x130/0x360 [ 3348.063617][ T10] netlink_unicast+0x449/0x710 [ 3348.063617][ T10] netlink_sendmsg+0x723/0xbe0 [ 3348.063617][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3348.063617][ T10] ___sys_sendmsg+0xee/0x170 [ 3348.063617][ T10] __sys_sendmsg+0xcd/0x170 [ 3348.063617][ T10] do_syscall_64+0xc6/0x1e0 [ 3348.063617][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3348.063617][ T10] [ 3358.307009][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3358.307519][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3358.307519][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.307519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.307519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.307519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.307519][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.307519][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.307519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.307519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.307519][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.307519][ T10] netlink_unicast+0x449/0x710 [ 3358.307519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.307519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.307519][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.307519][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.307519][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.307519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.307519][ T10] [ 3358.309539][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3358.309539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.309539][ T10] ipv6_find_idev+0x102/0x170 [ 3358.309539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.309539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.309539][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.309539][ T10] netlink_unicast+0x449/0x710 [ 3358.309539][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.309539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.309539][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.309539][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.309539][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.309539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.309539][ T10] [ 3358.311078][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3358.311078][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.311078][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.311078][ T10] ipv6_find_idev+0x102/0x170 [ 3358.311078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.311078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.311078][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.311078][ T10] netlink_unicast+0x449/0x710 [ 3358.311078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.311078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.311078][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.311078][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.311078][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.311078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.311078][ T10] [ 3358.312786][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3358.313069][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3358.313069][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.313069][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.313069][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.313069][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.313069][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.313069][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.313069][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.313069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.313069][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.313069][ T10] netlink_unicast+0x449/0x710 [ 3358.313069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.313069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.313069][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.313069][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.313069][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.313069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.313069][ T10] [ 3358.315107][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3358.315107][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.315107][ T10] ipv6_find_idev+0x102/0x170 [ 3358.315107][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.315107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.315107][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.315107][ T10] netlink_unicast+0x449/0x710 [ 3358.315107][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.315107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.315107][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.315107][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.315107][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.315107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.315107][ T10] [ 3358.316635][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3358.316635][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.316635][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.316635][ T10] ipv6_find_idev+0x102/0x170 [ 3358.316635][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.316635][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.316635][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.316635][ T10] netlink_unicast+0x449/0x710 [ 3358.316635][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.316635][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.316635][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.316635][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.316635][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.316635][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.316635][ T10] [ 3358.318318][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3358.318595][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3358.318595][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.318595][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.318595][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.318595][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.318595][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.318595][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.318595][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.318595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.318595][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.318595][ T10] netlink_unicast+0x449/0x710 [ 3358.318595][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.318595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.318595][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.318595][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.318595][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.318595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.318595][ T10] [ 3358.320572][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3358.320572][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.320572][ T10] ipv6_find_idev+0x102/0x170 [ 3358.320572][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.320572][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.320572][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.320572][ T10] netlink_unicast+0x449/0x710 [ 3358.320572][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.320572][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.320572][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.320572][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.320572][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.320572][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.320572][ T10] [ 3358.322110][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3358.322110][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.322110][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.322110][ T10] ipv6_find_idev+0x102/0x170 [ 3358.322110][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.322110][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.322110][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.322110][ T10] netlink_unicast+0x449/0x710 [ 3358.322110][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.322110][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.322110][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.322110][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.322110][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.322110][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.322110][ T10] [ 3358.323790][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3358.324486][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3358.324486][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.324486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.324486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.324486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.324486][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.324486][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.324486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.324486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.324486][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.324486][ T10] netlink_unicast+0x449/0x710 [ 3358.324486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.324486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.324486][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.324486][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.324486][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.324486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.324486][ T10] [ 3358.326477][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3358.326477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.326477][ T10] ipv6_find_idev+0x102/0x170 [ 3358.326477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.326477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.326477][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.326477][ T10] netlink_unicast+0x449/0x710 [ 3358.326477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.326477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.326477][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.326477][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.326477][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.326477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.326477][ T10] [ 3358.328015][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3358.328015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.328015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.328015][ T10] ipv6_find_idev+0x102/0x170 [ 3358.328015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.328015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.328015][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.328015][ T10] netlink_unicast+0x449/0x710 [ 3358.328015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.328015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.328015][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.328015][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.328015][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.328015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.328015][ T10] [ 3358.329736][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3358.330058][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3358.330058][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.330058][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.330058][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.330058][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.330058][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.330058][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.330058][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.330058][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.330058][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.330058][ T10] netlink_unicast+0x449/0x710 [ 3358.330058][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.330058][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.330058][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.330058][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.330058][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.330058][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.330058][ T10] [ 3358.332044][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3358.332044][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.332044][ T10] ipv6_find_idev+0x102/0x170 [ 3358.332044][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.332044][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.332044][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.332044][ T10] netlink_unicast+0x449/0x710 [ 3358.332044][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.332044][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.332044][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.332044][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.332044][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.332044][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.332044][ T10] [ 3358.333586][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3358.333586][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.333586][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.333586][ T10] ipv6_find_idev+0x102/0x170 [ 3358.333586][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.333586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.333586][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.333586][ T10] netlink_unicast+0x449/0x710 [ 3358.333586][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.333586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.333586][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.333586][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.333586][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.333586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.333586][ T10] [ 3358.335310][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3358.335663][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3358.335663][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.335663][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.335663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.335663][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.335663][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.335663][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.335663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.335663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.335663][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.335663][ T10] netlink_unicast+0x449/0x710 [ 3358.335663][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.335663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.335663][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.335663][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.335663][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.335663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.335663][ T10] [ 3358.337674][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3358.337674][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.337674][ T10] ipv6_find_idev+0x102/0x170 [ 3358.337674][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.337674][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.337674][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.337674][ T10] netlink_unicast+0x449/0x710 [ 3358.337674][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.337674][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.337674][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.337674][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.337674][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.337674][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.337674][ T10] [ 3358.339490][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3358.339490][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.339490][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.339490][ T10] ipv6_find_idev+0x102/0x170 [ 3358.339490][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.339490][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.339490][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.339490][ T10] netlink_unicast+0x449/0x710 [ 3358.339490][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.339490][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.339490][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.339490][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.339490][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.339490][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.339490][ T10] [ 3358.341512][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3358.341828][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3358.341828][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.341828][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.341828][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.341828][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.341828][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.341828][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.341828][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.341828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.341828][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.341828][ T10] netlink_unicast+0x449/0x710 [ 3358.341828][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.341828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.341828][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.341828][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.341828][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.341828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.341828][ T10] [ 3358.344070][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3358.344070][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.344070][ T10] ipv6_find_idev+0x102/0x170 [ 3358.344070][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.344070][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.344070][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.344070][ T10] netlink_unicast+0x449/0x710 [ 3358.344070][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.344070][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.344070][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.344070][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.344070][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.344070][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.344070][ T10] [ 3358.345729][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3358.345729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.345729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.345729][ T10] ipv6_find_idev+0x102/0x170 [ 3358.345729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.345729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.345729][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.345729][ T10] netlink_unicast+0x449/0x710 [ 3358.345729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.345729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.345729][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.345729][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.345729][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.345729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.345729][ T10] [ 3358.347709][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3358.348032][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3358.348032][ T10] netdev_get_by_index+0x5e/0x80 [ 3358.348032][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3358.348032][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3358.348032][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3358.348032][ T10] ipv6_add_addr+0x411/0x2000 [ 3358.348032][ T10] inet6_addr_add+0x30e/0xa40 [ 3358.348032][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3358.348032][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.348032][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.348032][ T10] netlink_unicast+0x449/0x710 [ 3358.348032][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.348032][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.348032][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.348032][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.348032][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.348032][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.348032][ T10] [ 3358.350217][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3358.350217][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3358.350217][ T10] ipv6_find_idev+0x102/0x170 [ 3358.350217][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.350217][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.350217][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.350217][ T10] netlink_unicast+0x449/0x710 [ 3358.350217][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.350217][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.350217][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.350217][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.350217][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.350217][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.350217][ T10] [ 3358.351947][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3358.351947][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3358.351947][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3358.351947][ T10] ipv6_find_idev+0x102/0x170 [ 3358.351947][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3358.351947][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3358.351947][ T10] netlink_rcv_skb+0x130/0x360 [ 3358.351947][ T10] netlink_unicast+0x449/0x710 [ 3358.351947][ T10] netlink_sendmsg+0x723/0xbe0 [ 3358.351947][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3358.351947][ T10] ___sys_sendmsg+0xee/0x170 [ 3358.351947][ T10] __sys_sendmsg+0xcd/0x170 [ 3358.351947][ T10] do_syscall_64+0xc6/0x1e0 [ 3358.351947][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3358.351947][ T10] [ 3368.378971][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3368.379422][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3368.379422][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.379422][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.379422][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.379422][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.379422][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.379422][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.379422][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.379422][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.379422][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.379422][ T10] netlink_unicast+0x449/0x710 [ 3368.379422][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.379422][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.379422][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.379422][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.379422][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.379422][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.379422][ T10] [ 3368.381580][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3368.381580][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.381580][ T10] ipv6_find_idev+0x102/0x170 [ 3368.381580][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.381580][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.381580][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.381580][ T10] netlink_unicast+0x449/0x710 [ 3368.381580][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.381580][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.381580][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.381580][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.381580][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.381580][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.381580][ T10] [ 3368.383214][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3368.383214][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.383214][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.383214][ T10] ipv6_find_idev+0x102/0x170 [ 3368.383214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.383214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.383214][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.383214][ T10] netlink_unicast+0x449/0x710 [ 3368.383214][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.383214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.383214][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.383214][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.383214][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.383214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.383214][ T10] [ 3368.384919][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3368.385187][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3368.385187][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.385187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.385187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.385187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.385187][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.385187][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.385187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.385187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.385187][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.385187][ T10] netlink_unicast+0x449/0x710 [ 3368.385187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.385187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.385187][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.385187][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.385187][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.385187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.385187][ T10] [ 3368.387187][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3368.387187][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.387187][ T10] ipv6_find_idev+0x102/0x170 [ 3368.387187][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.387187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.387187][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.387187][ T10] netlink_unicast+0x449/0x710 [ 3368.387187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.387187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.387187][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.387187][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.387187][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.387187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.387187][ T10] [ 3368.388731][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3368.388731][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.388731][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.388731][ T10] ipv6_find_idev+0x102/0x170 [ 3368.388731][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.388731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.388731][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.388731][ T10] netlink_unicast+0x449/0x710 [ 3368.388731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.388731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.388731][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.388731][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.388731][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.388731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.388731][ T10] [ 3368.390439][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3368.390704][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3368.390704][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.390704][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.390704][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.390704][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.390704][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.390704][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.390704][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.390704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.390704][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.390704][ T10] netlink_unicast+0x449/0x710 [ 3368.390704][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.390704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.390704][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.390704][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.390704][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.390704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.390704][ T10] [ 3368.392702][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3368.392702][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.392702][ T10] ipv6_find_idev+0x102/0x170 [ 3368.392702][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.392702][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.392702][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.392702][ T10] netlink_unicast+0x449/0x710 [ 3368.392702][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.392702][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.392702][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.392702][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.392702][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.392702][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.392702][ T10] [ 3368.394251][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3368.394251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.394251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.394251][ T10] ipv6_find_idev+0x102/0x170 [ 3368.394251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.394251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.394251][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.394251][ T10] netlink_unicast+0x449/0x710 [ 3368.394251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.394251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.394251][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.394251][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.394251][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.394251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.394251][ T10] [ 3368.395931][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3368.396197][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3368.396197][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.396197][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.396197][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.396197][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.396197][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.396197][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.396197][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.396197][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.396197][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.396197][ T10] netlink_unicast+0x449/0x710 [ 3368.396197][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.396197][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.396197][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.396197][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.396197][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.396197][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.396197][ T10] [ 3368.398285][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3368.398285][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.398285][ T10] ipv6_find_idev+0x102/0x170 [ 3368.398285][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.398285][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.398285][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.398285][ T10] netlink_unicast+0x449/0x710 [ 3368.398285][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.398285][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.398285][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.398285][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.398285][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.398285][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.398285][ T10] [ 3368.399817][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3368.399817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.399817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.399817][ T10] ipv6_find_idev+0x102/0x170 [ 3368.399817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.399817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.399817][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.399817][ T10] netlink_unicast+0x449/0x710 [ 3368.399817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.399817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.399817][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.399817][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.399817][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.399817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.399817][ T10] [ 3368.401897][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3368.402492][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3368.402492][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.402492][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.402492][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.402492][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.402492][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.402492][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.402492][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.402492][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.402492][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.402492][ T10] netlink_unicast+0x449/0x710 [ 3368.402492][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.402492][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.402492][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.402492][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.402492][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.402492][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.402492][ T10] [ 3368.404476][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3368.404476][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.404476][ T10] ipv6_find_idev+0x102/0x170 [ 3368.404476][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.404476][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.404476][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.404476][ T10] netlink_unicast+0x449/0x710 [ 3368.404476][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.404476][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.404476][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.404476][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.404476][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.404476][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.404476][ T10] [ 3368.406017][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3368.406017][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.406017][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.406017][ T10] ipv6_find_idev+0x102/0x170 [ 3368.406017][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.406017][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.406017][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.406017][ T10] netlink_unicast+0x449/0x710 [ 3368.406017][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.406017][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.406017][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.406017][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.406017][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.406017][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.406017][ T10] [ 3368.407721][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3368.408048][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3368.408048][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.408048][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.408048][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.408048][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.408048][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.408048][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.408048][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.408048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.408048][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.408048][ T10] netlink_unicast+0x449/0x710 [ 3368.408048][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.408048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.408048][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.408048][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.408048][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.408048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.408048][ T10] [ 3368.410078][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3368.410078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.410078][ T10] ipv6_find_idev+0x102/0x170 [ 3368.410078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.410078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.410078][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.410078][ T10] netlink_unicast+0x449/0x710 [ 3368.410078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.410078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.410078][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.410078][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.410078][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.410078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.410078][ T10] [ 3368.411625][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3368.411625][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.411625][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.411625][ T10] ipv6_find_idev+0x102/0x170 [ 3368.411625][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.411625][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.411625][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.411625][ T10] netlink_unicast+0x449/0x710 [ 3368.411625][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.411625][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.411625][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.411625][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.411625][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.411625][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.411625][ T10] [ 3368.413620][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3368.413948][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3368.413948][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.413948][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.413948][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.413948][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.413948][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.413948][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.413948][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.413948][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.413948][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.413948][ T10] netlink_unicast+0x449/0x710 [ 3368.413948][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.413948][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.413948][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.413948][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.413948][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.413948][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.413948][ T10] [ 3368.416127][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3368.416127][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.416127][ T10] ipv6_find_idev+0x102/0x170 [ 3368.416127][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.416127][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.416127][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.416127][ T10] netlink_unicast+0x449/0x710 [ 3368.416127][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.416127][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.416127][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.416127][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.416127][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.416127][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.416127][ T10] [ 3368.417863][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3368.417863][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.417863][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.417863][ T10] ipv6_find_idev+0x102/0x170 [ 3368.417863][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.417863][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.417863][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.417863][ T10] netlink_unicast+0x449/0x710 [ 3368.417863][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.417863][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.417863][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.417863][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.417863][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.417863][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.417863][ T10] [ 3368.421046][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3368.421596][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3368.421596][ T10] netdev_get_by_index+0x5e/0x80 [ 3368.421596][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3368.421596][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3368.421596][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3368.421596][ T10] ipv6_add_addr+0x411/0x2000 [ 3368.421596][ T10] inet6_addr_add+0x30e/0xa40 [ 3368.421596][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3368.421596][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.421596][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.421596][ T10] netlink_unicast+0x449/0x710 [ 3368.421596][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.421596][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.421596][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.421596][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.421596][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.421596][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.421596][ T10] [ 3368.425096][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3368.425096][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3368.425096][ T10] ipv6_find_idev+0x102/0x170 [ 3368.425096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.425096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.425096][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.425096][ T10] netlink_unicast+0x449/0x710 [ 3368.425096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.425096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.425096][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.425096][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.425096][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.425096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.425096][ T10] [ 3368.427870][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3368.427870][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3368.427870][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3368.427870][ T10] ipv6_find_idev+0x102/0x170 [ 3368.427870][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3368.427870][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3368.427870][ T10] netlink_rcv_skb+0x130/0x360 [ 3368.427870][ T10] netlink_unicast+0x449/0x710 [ 3368.427870][ T10] netlink_sendmsg+0x723/0xbe0 [ 3368.427870][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3368.427870][ T10] ___sys_sendmsg+0xee/0x170 [ 3368.427870][ T10] __sys_sendmsg+0xcd/0x170 [ 3368.427870][ T10] do_syscall_64+0xc6/0x1e0 [ 3368.427870][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3368.427870][ T10] [ 3378.683004][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3378.683403][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3378.683403][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.683403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.683403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.683403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.683403][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.683403][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.683403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.683403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.683403][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.683403][ T10] netlink_unicast+0x449/0x710 [ 3378.683403][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.683403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.683403][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.683403][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.683403][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.683403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.683403][ T10] [ 3378.685400][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3378.685400][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.685400][ T10] ipv6_find_idev+0x102/0x170 [ 3378.685400][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.685400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.685400][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.685400][ T10] netlink_unicast+0x449/0x710 [ 3378.685400][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.685400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.685400][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.685400][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.685400][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.685400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.685400][ T10] [ 3378.686934][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3378.686934][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.686934][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.686934][ T10] ipv6_find_idev+0x102/0x170 [ 3378.686934][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.686934][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.686934][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.686934][ T10] netlink_unicast+0x449/0x710 [ 3378.686934][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.686934][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.686934][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.686934][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.686934][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.686934][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.686934][ T10] [ 3378.688610][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3378.688869][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3378.688869][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.688869][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.688869][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.688869][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.688869][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.688869][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.688869][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.688869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.688869][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.688869][ T10] netlink_unicast+0x449/0x710 [ 3378.688869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.688869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.688869][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.688869][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.688869][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.688869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.688869][ T10] [ 3378.690848][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3378.690848][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.690848][ T10] ipv6_find_idev+0x102/0x170 [ 3378.690848][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.690848][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.690848][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.690848][ T10] netlink_unicast+0x449/0x710 [ 3378.690848][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.690848][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.690848][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.690848][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.690848][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.690848][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.690848][ T10] [ 3378.692398][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3378.692398][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.692398][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.692398][ T10] ipv6_find_idev+0x102/0x170 [ 3378.692398][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.692398][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.692398][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.692398][ T10] netlink_unicast+0x449/0x710 [ 3378.692398][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.692398][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.692398][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.692398][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.692398][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.692398][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.692398][ T10] [ 3378.694065][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3378.694336][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3378.694336][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.694336][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.694336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.694336][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.694336][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.694336][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.694336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.694336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.694336][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.694336][ T10] netlink_unicast+0x449/0x710 [ 3378.694336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.694336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.694336][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.694336][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.694336][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.694336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.694336][ T10] [ 3378.696300][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3378.696300][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.696300][ T10] ipv6_find_idev+0x102/0x170 [ 3378.696300][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.696300][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.696300][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.696300][ T10] netlink_unicast+0x449/0x710 [ 3378.696300][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.696300][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.696300][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.696300][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.696300][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.696300][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.696300][ T10] [ 3378.697829][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3378.697829][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.697829][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.697829][ T10] ipv6_find_idev+0x102/0x170 [ 3378.697829][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.697829][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.697829][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.697829][ T10] netlink_unicast+0x449/0x710 [ 3378.697829][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.697829][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.697829][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.697829][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.697829][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.697829][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.697829][ T10] [ 3378.699483][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3378.699738][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3378.699738][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.699738][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.699738][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.699738][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.699738][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.699738][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.699738][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.699738][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.699738][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.699738][ T10] netlink_unicast+0x449/0x710 [ 3378.699738][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.699738][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.699738][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.699738][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.699738][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.699738][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.699738][ T10] [ 3378.701712][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3378.701712][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.701712][ T10] ipv6_find_idev+0x102/0x170 [ 3378.701712][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.701712][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.701712][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.701712][ T10] netlink_unicast+0x449/0x710 [ 3378.701712][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.701712][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.701712][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.701712][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.701712][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.701712][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.701712][ T10] [ 3378.703265][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3378.703265][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.703265][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.703265][ T10] ipv6_find_idev+0x102/0x170 [ 3378.703265][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.703265][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.703265][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.703265][ T10] netlink_unicast+0x449/0x710 [ 3378.703265][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.703265][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.703265][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.703265][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.703265][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.703265][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.703265][ T10] [ 3378.705319][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3378.705578][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3378.705578][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.705578][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.705578][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.705578][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.705578][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.705578][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.705578][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.705578][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.705578][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.705578][ T10] netlink_unicast+0x449/0x710 [ 3378.705578][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.705578][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.705578][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.705578][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.705578][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.705578][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.705578][ T10] [ 3378.707539][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3378.707539][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.707539][ T10] ipv6_find_idev+0x102/0x170 [ 3378.707539][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.707539][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.707539][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.707539][ T10] netlink_unicast+0x449/0x710 [ 3378.707539][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.707539][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.707539][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.707539][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.707539][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.707539][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.707539][ T10] [ 3378.709047][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3378.709047][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.709047][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.709047][ T10] ipv6_find_idev+0x102/0x170 [ 3378.709047][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.709047][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.709047][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.709047][ T10] netlink_unicast+0x449/0x710 [ 3378.709047][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.709047][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.709047][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.709047][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.709047][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.709047][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.709047][ T10] [ 3378.710730][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3378.711052][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3378.711052][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.711052][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.711052][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.711052][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.711052][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.711052][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.711052][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.711052][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.711052][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.711052][ T10] netlink_unicast+0x449/0x710 [ 3378.711052][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.711052][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.711052][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.711052][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.711052][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.711052][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.711052][ T10] [ 3378.713131][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3378.713131][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.713131][ T10] ipv6_find_idev+0x102/0x170 [ 3378.713131][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.713131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.713131][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.713131][ T10] netlink_unicast+0x449/0x710 [ 3378.713131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.713131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.713131][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.713131][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.713131][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.713131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.713131][ T10] [ 3378.714823][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3378.714823][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.714823][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.714823][ T10] ipv6_find_idev+0x102/0x170 [ 3378.714823][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.714823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.714823][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.714823][ T10] netlink_unicast+0x449/0x710 [ 3378.714823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.714823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.714823][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.714823][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.714823][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.714823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.714823][ T10] [ 3378.716691][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3378.717009][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3378.717009][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.717009][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.717009][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.717009][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.717009][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.717009][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.717009][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.717009][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.717009][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.717009][ T10] netlink_unicast+0x449/0x710 [ 3378.717009][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.717009][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.717009][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.717009][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.717009][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.717009][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.717009][ T10] [ 3378.719157][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3378.719157][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.719157][ T10] ipv6_find_idev+0x102/0x170 [ 3378.719157][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.719157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.719157][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.719157][ T10] netlink_unicast+0x449/0x710 [ 3378.719157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.719157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.719157][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.719157][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.719157][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.719157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.719157][ T10] [ 3378.720842][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3378.720842][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.720842][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.720842][ T10] ipv6_find_idev+0x102/0x170 [ 3378.720842][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.720842][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.720842][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.720842][ T10] netlink_unicast+0x449/0x710 [ 3378.720842][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.720842][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.720842][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.720842][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.720842][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.720842][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.720842][ T10] [ 3378.722888][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3378.723154][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3378.723154][ T10] netdev_get_by_index+0x5e/0x80 [ 3378.723154][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3378.723154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3378.723154][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3378.723154][ T10] ipv6_add_addr+0x411/0x2000 [ 3378.723154][ T10] inet6_addr_add+0x30e/0xa40 [ 3378.723154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3378.723154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.723154][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.723154][ T10] netlink_unicast+0x449/0x710 [ 3378.723154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.723154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.723154][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.723154][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.723154][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.723154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.723154][ T10] [ 3378.725336][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3378.725336][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3378.725336][ T10] ipv6_find_idev+0x102/0x170 [ 3378.725336][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.725336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.725336][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.725336][ T10] netlink_unicast+0x449/0x710 [ 3378.725336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.725336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.725336][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.725336][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.725336][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.725336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.725336][ T10] [ 3378.727035][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3378.727035][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3378.727035][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3378.727035][ T10] ipv6_find_idev+0x102/0x170 [ 3378.727035][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3378.727035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3378.727035][ T10] netlink_rcv_skb+0x130/0x360 [ 3378.727035][ T10] netlink_unicast+0x449/0x710 [ 3378.727035][ T10] netlink_sendmsg+0x723/0xbe0 [ 3378.727035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3378.727035][ T10] ___sys_sendmsg+0xee/0x170 [ 3378.727035][ T10] __sys_sendmsg+0xcd/0x170 [ 3378.727035][ T10] do_syscall_64+0xc6/0x1e0 [ 3378.727035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3378.727035][ T10] [ 3388.979010][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3388.979473][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3388.979473][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.979473][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.979473][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.979473][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.979473][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.979473][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.979473][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.979473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.979473][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.979473][ T10] netlink_unicast+0x449/0x710 [ 3388.979473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.979473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.979473][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.979473][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.979473][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.979473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.979473][ T10] [ 3388.981453][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3388.981453][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.981453][ T10] ipv6_find_idev+0x102/0x170 [ 3388.981453][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.981453][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.981453][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.981453][ T10] netlink_unicast+0x449/0x710 [ 3388.981453][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.981453][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.981453][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.981453][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.981453][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.981453][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.981453][ T10] [ 3388.982961][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3388.982961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.982961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.982961][ T10] ipv6_find_idev+0x102/0x170 [ 3388.982961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.982961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.982961][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.982961][ T10] netlink_unicast+0x449/0x710 [ 3388.982961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.982961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.982961][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.982961][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.982961][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.982961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.982961][ T10] [ 3388.984636][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3388.984929][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3388.984929][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.984929][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.984929][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.984929][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.984929][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.984929][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.984929][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.984929][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.984929][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.984929][ T10] netlink_unicast+0x449/0x710 [ 3388.984929][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.984929][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.984929][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.984929][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.984929][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.984929][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.984929][ T10] [ 3388.986890][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3388.986890][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.986890][ T10] ipv6_find_idev+0x102/0x170 [ 3388.986890][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.986890][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.986890][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.986890][ T10] netlink_unicast+0x449/0x710 [ 3388.986890][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.986890][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.986890][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.986890][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.986890][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.986890][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.986890][ T10] [ 3388.988407][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3388.988407][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.988407][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.988407][ T10] ipv6_find_idev+0x102/0x170 [ 3388.988407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.988407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.988407][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.988407][ T10] netlink_unicast+0x449/0x710 [ 3388.988407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.988407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.988407][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.988407][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.988407][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.988407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.988407][ T10] [ 3388.990075][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3388.990336][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3388.990336][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.990336][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.990336][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.990336][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.990336][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.990336][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.990336][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.990336][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.990336][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.990336][ T10] netlink_unicast+0x449/0x710 [ 3388.990336][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.990336][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.990336][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.990336][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.990336][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.990336][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.990336][ T10] [ 3388.992289][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3388.992289][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.992289][ T10] ipv6_find_idev+0x102/0x170 [ 3388.992289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.992289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.992289][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.992289][ T10] netlink_unicast+0x449/0x710 [ 3388.992289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.992289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.992289][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.992289][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.992289][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.992289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.992289][ T10] [ 3388.993798][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3388.993798][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.993798][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.993798][ T10] ipv6_find_idev+0x102/0x170 [ 3388.993798][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.993798][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.993798][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.993798][ T10] netlink_unicast+0x449/0x710 [ 3388.993798][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.993798][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.993798][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.993798][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.993798][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.993798][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.993798][ T10] [ 3388.995442][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3388.995697][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3388.995697][ T10] netdev_get_by_index+0x5e/0x80 [ 3388.995697][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3388.995697][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3388.995697][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3388.995697][ T10] ipv6_add_addr+0x411/0x2000 [ 3388.995697][ T10] inet6_addr_add+0x30e/0xa40 [ 3388.995697][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3388.995697][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.995697][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.995697][ T10] netlink_unicast+0x449/0x710 [ 3388.995697][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.995697][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.995697][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.995697][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.995697][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.995697][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.995697][ T10] [ 3388.997666][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3388.997666][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3388.997666][ T10] ipv6_find_idev+0x102/0x170 [ 3388.997666][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.997666][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.997666][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.997666][ T10] netlink_unicast+0x449/0x710 [ 3388.997666][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.997666][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.997666][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.997666][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.997666][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.997666][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.997666][ T10] [ 3388.999172][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3388.999172][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3388.999172][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3388.999172][ T10] ipv6_find_idev+0x102/0x170 [ 3388.999172][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3388.999172][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3388.999172][ T10] netlink_rcv_skb+0x130/0x360 [ 3388.999172][ T10] netlink_unicast+0x449/0x710 [ 3388.999172][ T10] netlink_sendmsg+0x723/0xbe0 [ 3388.999172][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3388.999172][ T10] ___sys_sendmsg+0xee/0x170 [ 3388.999172][ T10] __sys_sendmsg+0xcd/0x170 [ 3388.999172][ T10] do_syscall_64+0xc6/0x1e0 [ 3388.999172][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3388.999172][ T10] [ 3389.001232][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3389.001489][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3389.001489][ T10] netdev_get_by_index+0x5e/0x80 [ 3389.001489][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3389.001489][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3389.001489][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3389.001489][ T10] ipv6_add_addr+0x411/0x2000 [ 3389.001489][ T10] inet6_addr_add+0x30e/0xa40 [ 3389.001489][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3389.001489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.001489][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.001489][ T10] netlink_unicast+0x449/0x710 [ 3389.001489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.001489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.001489][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.001489][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.001489][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.001489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.001489][ T10] [ 3389.003452][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3389.003452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3389.003452][ T10] ipv6_find_idev+0x102/0x170 [ 3389.003452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.003452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.003452][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.003452][ T10] netlink_unicast+0x449/0x710 [ 3389.003452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.003452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.003452][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.003452][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.003452][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.003452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.003452][ T10] [ 3389.004964][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3389.004964][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3389.004964][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3389.004964][ T10] ipv6_find_idev+0x102/0x170 [ 3389.004964][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.004964][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.004964][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.004964][ T10] netlink_unicast+0x449/0x710 [ 3389.004964][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.004964][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.004964][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.004964][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.004964][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.004964][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.004964][ T10] [ 3389.006661][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3389.006981][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3389.006981][ T10] netdev_get_by_index+0x5e/0x80 [ 3389.006981][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3389.006981][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3389.006981][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3389.006981][ T10] ipv6_add_addr+0x411/0x2000 [ 3389.006981][ T10] inet6_addr_add+0x30e/0xa40 [ 3389.006981][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3389.006981][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.006981][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.006981][ T10] netlink_unicast+0x449/0x710 [ 3389.006981][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.006981][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.006981][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.006981][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.006981][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.006981][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.006981][ T10] [ 3389.009571][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3389.009571][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3389.009571][ T10] ipv6_find_idev+0x102/0x170 [ 3389.009571][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.009571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.009571][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.009571][ T10] netlink_unicast+0x449/0x710 [ 3389.009571][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.009571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.009571][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.009571][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.009571][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.009571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.009571][ T10] [ 3389.011314][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3389.011314][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3389.011314][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3389.011314][ T10] ipv6_find_idev+0x102/0x170 [ 3389.011314][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.011314][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.011314][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.011314][ T10] netlink_unicast+0x449/0x710 [ 3389.011314][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.011314][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.011314][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.011314][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.011314][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.011314][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.011314][ T10] [ 3389.013181][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3389.013444][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3389.013444][ T10] netdev_get_by_index+0x5e/0x80 [ 3389.013444][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3389.013444][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3389.013444][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3389.013444][ T10] ipv6_add_addr+0x411/0x2000 [ 3389.013444][ T10] inet6_addr_add+0x30e/0xa40 [ 3389.013444][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3389.013444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.013444][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.013444][ T10] netlink_unicast+0x449/0x710 [ 3389.013444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.013444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.013444][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.013444][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.013444][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.013444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.013444][ T10] [ 3389.015639][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3389.015639][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3389.015639][ T10] ipv6_find_idev+0x102/0x170 [ 3389.015639][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.015639][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.015639][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.015639][ T10] netlink_unicast+0x449/0x710 [ 3389.015639][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.015639][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.015639][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.015639][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.015639][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.015639][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.015639][ T10] [ 3389.017340][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3389.017340][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3389.017340][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3389.017340][ T10] ipv6_find_idev+0x102/0x170 [ 3389.017340][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.017340][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.017340][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.017340][ T10] netlink_unicast+0x449/0x710 [ 3389.017340][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.017340][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.017340][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.017340][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.017340][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.017340][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.017340][ T10] [ 3389.019205][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3389.019465][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3389.019465][ T10] netdev_get_by_index+0x5e/0x80 [ 3389.019465][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3389.019465][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3389.019465][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3389.019465][ T10] ipv6_add_addr+0x411/0x2000 [ 3389.019465][ T10] inet6_addr_add+0x30e/0xa40 [ 3389.019465][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3389.019465][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.019465][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.019465][ T10] netlink_unicast+0x449/0x710 [ 3389.019465][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.019465][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.019465][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.019465][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.019465][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.019465][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.019465][ T10] [ 3389.021659][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3389.021659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3389.021659][ T10] ipv6_find_idev+0x102/0x170 [ 3389.021659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.021659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.021659][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.021659][ T10] netlink_unicast+0x449/0x710 [ 3389.021659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.021659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.021659][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.021659][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.021659][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.021659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.021659][ T10] [ 3389.023733][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3389.023733][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3389.023733][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3389.023733][ T10] ipv6_find_idev+0x102/0x170 [ 3389.023733][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3389.023733][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3389.023733][ T10] netlink_rcv_skb+0x130/0x360 [ 3389.023733][ T10] netlink_unicast+0x449/0x710 [ 3389.023733][ T10] netlink_sendmsg+0x723/0xbe0 [ 3389.023733][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3389.023733][ T10] ___sys_sendmsg+0xee/0x170 [ 3389.023733][ T10] __sys_sendmsg+0xcd/0x170 [ 3389.023733][ T10] do_syscall_64+0xc6/0x1e0 [ 3389.023733][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3389.023733][ T10] [ 3399.274965][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3399.275413][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3399.275413][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.275413][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.275413][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.275413][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.275413][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.275413][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.275413][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.275413][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.275413][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.275413][ T10] netlink_unicast+0x449/0x710 [ 3399.275413][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.275413][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.275413][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.275413][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.275413][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.275413][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.275413][ T10] [ 3399.277462][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3399.277462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.277462][ T10] ipv6_find_idev+0x102/0x170 [ 3399.277462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.277462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.277462][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.277462][ T10] netlink_unicast+0x449/0x710 [ 3399.277462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.277462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.277462][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.277462][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.277462][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.277462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.277462][ T10] [ 3399.278984][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3399.278984][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.278984][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.278984][ T10] ipv6_find_idev+0x102/0x170 [ 3399.278984][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.278984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.278984][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.278984][ T10] netlink_unicast+0x449/0x710 [ 3399.278984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.278984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.278984][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.278984][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.278984][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.278984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.278984][ T10] [ 3399.280653][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3399.280931][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3399.280931][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.280931][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.280931][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.280931][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.280931][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.280931][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.280931][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.280931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.280931][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.280931][ T10] netlink_unicast+0x449/0x710 [ 3399.280931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.280931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.280931][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.280931][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.280931][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.280931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.280931][ T10] [ 3399.282881][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3399.282881][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.282881][ T10] ipv6_find_idev+0x102/0x170 [ 3399.282881][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.282881][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.282881][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.282881][ T10] netlink_unicast+0x449/0x710 [ 3399.282881][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.282881][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.282881][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.282881][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.282881][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.282881][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.282881][ T10] [ 3399.284414][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3399.284414][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.284414][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.284414][ T10] ipv6_find_idev+0x102/0x170 [ 3399.284414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.284414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.284414][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.284414][ T10] netlink_unicast+0x449/0x710 [ 3399.284414][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.284414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.284414][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.284414][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.284414][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.284414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.284414][ T10] [ 3399.288787][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3399.289072][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3399.289072][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.289072][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.289072][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.289072][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.289072][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.289072][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.289072][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.289072][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.289072][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.289072][ T10] netlink_unicast+0x449/0x710 [ 3399.289072][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.289072][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.289072][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.289072][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.289072][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.289072][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.289072][ T10] [ 3399.291034][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3399.291034][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.291034][ T10] ipv6_find_idev+0x102/0x170 [ 3399.291034][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.291034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.291034][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.291034][ T10] netlink_unicast+0x449/0x710 [ 3399.291034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.291034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.291034][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.291034][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.291034][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.291034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.291034][ T10] [ 3399.292563][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3399.292563][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.292563][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.292563][ T10] ipv6_find_idev+0x102/0x170 [ 3399.292563][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.292563][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.292563][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.292563][ T10] netlink_unicast+0x449/0x710 [ 3399.292563][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.292563][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.292563][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.292563][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.292563][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.292563][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.292563][ T10] [ 3399.294202][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3399.294477][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3399.294477][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.294477][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.294477][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.294477][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.294477][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.294477][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.294477][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.294477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.294477][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.294477][ T10] netlink_unicast+0x449/0x710 [ 3399.294477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.294477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.294477][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.294477][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.294477][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.294477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.294477][ T10] [ 3399.296442][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3399.296442][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.296442][ T10] ipv6_find_idev+0x102/0x170 [ 3399.296442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.296442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.296442][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.296442][ T10] netlink_unicast+0x449/0x710 [ 3399.296442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.296442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.296442][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.296442][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.296442][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.296442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.296442][ T10] [ 3399.297966][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3399.297966][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.297966][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.297966][ T10] ipv6_find_idev+0x102/0x170 [ 3399.297966][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.297966][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.297966][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.297966][ T10] netlink_unicast+0x449/0x710 [ 3399.297966][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.297966][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.297966][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.297966][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.297966][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.297966][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.297966][ T10] [ 3399.300055][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3399.300315][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3399.300315][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.300315][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.300315][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.300315][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.300315][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.300315][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.300315][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.300315][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.300315][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.300315][ T10] netlink_unicast+0x449/0x710 [ 3399.300315][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.300315][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.300315][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.300315][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.300315][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.300315][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.300315][ T10] [ 3399.302282][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3399.302282][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.302282][ T10] ipv6_find_idev+0x102/0x170 [ 3399.302282][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.302282][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.302282][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.302282][ T10] netlink_unicast+0x449/0x710 [ 3399.302282][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.302282][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.302282][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.302282][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.302282][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.302282][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.302282][ T10] [ 3399.303808][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3399.303808][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.303808][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.303808][ T10] ipv6_find_idev+0x102/0x170 [ 3399.303808][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.303808][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.303808][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.303808][ T10] netlink_unicast+0x449/0x710 [ 3399.303808][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.303808][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.303808][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.303808][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.303808][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.303808][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.303808][ T10] [ 3399.305504][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3399.305760][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3399.305760][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.305760][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.305760][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.305760][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.305760][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.305760][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.305760][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.305760][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.305760][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.305760][ T10] netlink_unicast+0x449/0x710 [ 3399.305760][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.305760][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.305760][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.305760][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.305760][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.305760][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.305760][ T10] [ 3399.307805][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3399.307805][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.307805][ T10] ipv6_find_idev+0x102/0x170 [ 3399.307805][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.307805][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.307805][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.307805][ T10] netlink_unicast+0x449/0x710 [ 3399.307805][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.307805][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.307805][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.307805][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.307805][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.307805][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.307805][ T10] [ 3399.309431][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3399.309431][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.309431][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.309431][ T10] ipv6_find_idev+0x102/0x170 [ 3399.309431][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.309431][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.309431][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.309431][ T10] netlink_unicast+0x449/0x710 [ 3399.309431][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.309431][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.309431][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.309431][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.309431][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.309431][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.309431][ T10] [ 3399.311244][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3399.311517][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3399.311517][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.311517][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.311517][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.311517][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.311517][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.311517][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.311517][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.311517][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.311517][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.311517][ T10] netlink_unicast+0x449/0x710 [ 3399.311517][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.311517][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.311517][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.311517][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.311517][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.311517][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.311517][ T10] [ 3399.313595][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3399.313595][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.313595][ T10] ipv6_find_idev+0x102/0x170 [ 3399.313595][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.313595][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.313595][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.313595][ T10] netlink_unicast+0x449/0x710 [ 3399.313595][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.313595][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.313595][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.313595][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.313595][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.313595][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.313595][ T10] [ 3399.315155][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3399.315155][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.315155][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.315155][ T10] ipv6_find_idev+0x102/0x170 [ 3399.315155][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.315155][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.315155][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.315155][ T10] netlink_unicast+0x449/0x710 [ 3399.315155][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.315155][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.315155][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.315155][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.315155][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.315155][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.315155][ T10] [ 3399.316998][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3399.317267][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3399.317267][ T10] netdev_get_by_index+0x5e/0x80 [ 3399.317267][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3399.317267][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3399.317267][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3399.317267][ T10] ipv6_add_addr+0x411/0x2000 [ 3399.317267][ T10] inet6_addr_add+0x30e/0xa40 [ 3399.317267][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3399.317267][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.317267][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.317267][ T10] netlink_unicast+0x449/0x710 [ 3399.317267][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.317267][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.317267][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.317267][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.317267][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.317267][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.317267][ T10] [ 3399.319360][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3399.319360][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3399.319360][ T10] ipv6_find_idev+0x102/0x170 [ 3399.319360][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.319360][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.319360][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.319360][ T10] netlink_unicast+0x449/0x710 [ 3399.319360][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.319360][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.319360][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.319360][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.319360][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.319360][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.319360][ T10] [ 3399.320956][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3399.320956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3399.320956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3399.320956][ T10] ipv6_find_idev+0x102/0x170 [ 3399.320956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3399.320956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3399.320956][ T10] netlink_rcv_skb+0x130/0x360 [ 3399.320956][ T10] netlink_unicast+0x449/0x710 [ 3399.320956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3399.320956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3399.320956][ T10] ___sys_sendmsg+0xee/0x170 [ 3399.320956][ T10] __sys_sendmsg+0xcd/0x170 [ 3399.320956][ T10] do_syscall_64+0xc6/0x1e0 [ 3399.320956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3399.320956][ T10] [ 3409.570993][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3409.571433][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3409.571433][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.571433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.571433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.571433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.571433][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.571433][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.571433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.571433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.571433][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.571433][ T10] netlink_unicast+0x449/0x710 [ 3409.571433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.571433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.571433][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.571433][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.571433][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.571433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.571433][ T10] [ 3409.573452][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3409.573452][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.573452][ T10] ipv6_find_idev+0x102/0x170 [ 3409.573452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.573452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.573452][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.573452][ T10] netlink_unicast+0x449/0x710 [ 3409.573452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.573452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.573452][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.573452][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.573452][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.573452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.573452][ T10] [ 3409.575008][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3409.575008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.575008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.575008][ T10] ipv6_find_idev+0x102/0x170 [ 3409.575008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.575008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.575008][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.575008][ T10] netlink_unicast+0x449/0x710 [ 3409.575008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.575008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.575008][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.575008][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.575008][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.575008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.575008][ T10] [ 3409.576712][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3409.577015][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3409.577015][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.577015][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.577015][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.577015][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.577015][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.577015][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.577015][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.577015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.577015][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.577015][ T10] netlink_unicast+0x449/0x710 [ 3409.577015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.577015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.577015][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.577015][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.577015][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.577015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.577015][ T10] [ 3409.579005][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3409.579005][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.579005][ T10] ipv6_find_idev+0x102/0x170 [ 3409.579005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.579005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.579005][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.579005][ T10] netlink_unicast+0x449/0x710 [ 3409.579005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.579005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.579005][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.579005][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.579005][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.579005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.579005][ T10] [ 3409.580545][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3409.580545][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.580545][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.580545][ T10] ipv6_find_idev+0x102/0x170 [ 3409.580545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.580545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.580545][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.580545][ T10] netlink_unicast+0x449/0x710 [ 3409.580545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.580545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.580545][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.580545][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.580545][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.580545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.580545][ T10] [ 3409.582223][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3409.582486][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3409.582486][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.582486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.582486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.582486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.582486][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.582486][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.582486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.582486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.582486][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.582486][ T10] netlink_unicast+0x449/0x710 [ 3409.582486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.582486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.582486][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.582486][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.582486][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.582486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.582486][ T10] [ 3409.584511][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3409.584511][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.584511][ T10] ipv6_find_idev+0x102/0x170 [ 3409.584511][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.584511][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.584511][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.584511][ T10] netlink_unicast+0x449/0x710 [ 3409.584511][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.584511][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.584511][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.584511][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.584511][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.584511][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.584511][ T10] [ 3409.586069][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3409.586069][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.586069][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.586069][ T10] ipv6_find_idev+0x102/0x170 [ 3409.586069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.586069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.586069][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.586069][ T10] netlink_unicast+0x449/0x710 [ 3409.586069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.586069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.586069][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.586069][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.586069][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.586069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.586069][ T10] [ 3409.587772][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3409.588469][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3409.588469][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.588469][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.588469][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.588469][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.588469][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.588469][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.588469][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.588469][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.588469][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.588469][ T10] netlink_unicast+0x449/0x710 [ 3409.588469][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.588469][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.588469][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.588469][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.588469][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.588469][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.588469][ T10] [ 3409.590485][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3409.590485][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.590485][ T10] ipv6_find_idev+0x102/0x170 [ 3409.590485][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.590485][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.590485][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.590485][ T10] netlink_unicast+0x449/0x710 [ 3409.590485][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.590485][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.590485][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.590485][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.590485][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.590485][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.590485][ T10] [ 3409.592023][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3409.592023][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.592023][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.592023][ T10] ipv6_find_idev+0x102/0x170 [ 3409.592023][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.592023][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.592023][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.592023][ T10] netlink_unicast+0x449/0x710 [ 3409.592023][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.592023][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.592023][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.592023][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.592023][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.592023][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.592023][ T10] [ 3409.593753][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3409.594082][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3409.594082][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.594082][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.594082][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.594082][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.594082][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.594082][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.594082][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.594082][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.594082][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.594082][ T10] netlink_unicast+0x449/0x710 [ 3409.594082][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.594082][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.594082][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.594082][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.594082][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.594082][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.594082][ T10] [ 3409.596085][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3409.596085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.596085][ T10] ipv6_find_idev+0x102/0x170 [ 3409.596085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.596085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.596085][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.596085][ T10] netlink_unicast+0x449/0x710 [ 3409.596085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.596085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.596085][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.596085][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.596085][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.596085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.596085][ T10] [ 3409.597750][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3409.597750][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.597750][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.597750][ T10] ipv6_find_idev+0x102/0x170 [ 3409.597750][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.597750][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.597750][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.597750][ T10] netlink_unicast+0x449/0x710 [ 3409.597750][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.597750][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.597750][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.597750][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.597750][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.597750][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.597750][ T10] [ 3409.599478][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3409.599811][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3409.599811][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.599811][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.599811][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.599811][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.599811][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.599811][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.599811][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.599811][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.599811][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.599811][ T10] netlink_unicast+0x449/0x710 [ 3409.599811][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.599811][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.599811][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.599811][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.599811][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.599811][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.599811][ T10] [ 3409.601816][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3409.601816][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.601816][ T10] ipv6_find_idev+0x102/0x170 [ 3409.601816][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.601816][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.601816][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.601816][ T10] netlink_unicast+0x449/0x710 [ 3409.601816][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.601816][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.601816][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.601816][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.601816][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.601816][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.601816][ T10] [ 3409.603535][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3409.603535][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.603535][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.603535][ T10] ipv6_find_idev+0x102/0x170 [ 3409.603535][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.603535][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.603535][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.603535][ T10] netlink_unicast+0x449/0x710 [ 3409.603535][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.603535][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.603535][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.603535][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.603535][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.603535][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.603535][ T10] [ 3409.605558][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3409.605874][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3409.605874][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.605874][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.605874][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.605874][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.605874][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.605874][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.605874][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.605874][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.605874][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.605874][ T10] netlink_unicast+0x449/0x710 [ 3409.605874][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.605874][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.605874][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.605874][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.605874][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.605874][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.605874][ T10] [ 3409.608564][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3409.608564][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.608564][ T10] ipv6_find_idev+0x102/0x170 [ 3409.608564][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.608564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.608564][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.608564][ T10] netlink_unicast+0x449/0x710 [ 3409.608564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.608564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.608564][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.608564][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.608564][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.608564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.608564][ T10] [ 3409.612207][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3409.612207][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.612207][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.612207][ T10] ipv6_find_idev+0x102/0x170 [ 3409.612207][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.612207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.612207][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.612207][ T10] netlink_unicast+0x449/0x710 [ 3409.612207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.612207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.612207][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.612207][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.612207][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.612207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.612207][ T10] [ 3409.614140][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3409.614463][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3409.614463][ T10] netdev_get_by_index+0x5e/0x80 [ 3409.614463][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3409.614463][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3409.614463][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3409.614463][ T10] ipv6_add_addr+0x411/0x2000 [ 3409.614463][ T10] inet6_addr_add+0x30e/0xa40 [ 3409.614463][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3409.614463][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.614463][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.614463][ T10] netlink_unicast+0x449/0x710 [ 3409.614463][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.614463][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.614463][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.614463][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.614463][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.614463][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.614463][ T10] [ 3409.616687][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3409.616687][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3409.616687][ T10] ipv6_find_idev+0x102/0x170 [ 3409.616687][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.616687][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.616687][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.616687][ T10] netlink_unicast+0x449/0x710 [ 3409.616687][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.616687][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.616687][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.616687][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.616687][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.616687][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.616687][ T10] [ 3409.618473][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3409.618473][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3409.618473][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3409.618473][ T10] ipv6_find_idev+0x102/0x170 [ 3409.618473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3409.618473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3409.618473][ T10] netlink_rcv_skb+0x130/0x360 [ 3409.618473][ T10] netlink_unicast+0x449/0x710 [ 3409.618473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3409.618473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3409.618473][ T10] ___sys_sendmsg+0xee/0x170 [ 3409.618473][ T10] __sys_sendmsg+0xcd/0x170 [ 3409.618473][ T10] do_syscall_64+0xc6/0x1e0 [ 3409.618473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3409.618473][ T10] [ 3419.642931][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3419.643400][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3419.643400][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.643400][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.643400][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.643400][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.643400][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.643400][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.643400][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.643400][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.643400][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.643400][ T10] netlink_unicast+0x449/0x710 [ 3419.643400][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.643400][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.643400][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.643400][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.643400][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.643400][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.643400][ T10] [ 3419.645406][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3419.645406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.645406][ T10] ipv6_find_idev+0x102/0x170 [ 3419.645406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.645406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.645406][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.645406][ T10] netlink_unicast+0x449/0x710 [ 3419.645406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.645406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.645406][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.645406][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.645406][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.645406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.645406][ T10] [ 3419.646950][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3419.646950][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.646950][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.646950][ T10] ipv6_find_idev+0x102/0x170 [ 3419.646950][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.646950][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.646950][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.646950][ T10] netlink_unicast+0x449/0x710 [ 3419.646950][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.646950][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.646950][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.646950][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.646950][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.646950][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.646950][ T10] [ 3419.648644][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3419.648925][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3419.648925][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.648925][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.648925][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.648925][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.648925][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.648925][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.648925][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.648925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.648925][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.648925][ T10] netlink_unicast+0x449/0x710 [ 3419.648925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.648925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.648925][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.648925][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.648925][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.648925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.648925][ T10] [ 3419.650921][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3419.650921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.650921][ T10] ipv6_find_idev+0x102/0x170 [ 3419.650921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.650921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.650921][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.650921][ T10] netlink_unicast+0x449/0x710 [ 3419.650921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.650921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.650921][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.650921][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.650921][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.650921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.650921][ T10] [ 3419.652442][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3419.652442][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.652442][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.652442][ T10] ipv6_find_idev+0x102/0x170 [ 3419.652442][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.652442][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.652442][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.652442][ T10] netlink_unicast+0x449/0x710 [ 3419.652442][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.652442][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.652442][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.652442][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.652442][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.652442][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.652442][ T10] [ 3419.654105][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3419.654364][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3419.654364][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.654364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.654364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.654364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.654364][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.654364][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.654364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.654364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.654364][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.654364][ T10] netlink_unicast+0x449/0x710 [ 3419.654364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.654364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.654364][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.654364][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.654364][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.654364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.654364][ T10] [ 3419.656329][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3419.656329][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.656329][ T10] ipv6_find_idev+0x102/0x170 [ 3419.656329][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.656329][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.656329][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.656329][ T10] netlink_unicast+0x449/0x710 [ 3419.656329][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.656329][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.656329][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.656329][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.656329][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.656329][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.656329][ T10] [ 3419.657849][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3419.657849][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.657849][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.657849][ T10] ipv6_find_idev+0x102/0x170 [ 3419.657849][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.657849][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.657849][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.657849][ T10] netlink_unicast+0x449/0x710 [ 3419.657849][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.657849][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.657849][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.657849][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.657849][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.657849][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.657849][ T10] [ 3419.659517][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3419.659797][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3419.659797][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.659797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.659797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.659797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.659797][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.659797][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.659797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.659797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.659797][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.659797][ T10] netlink_unicast+0x449/0x710 [ 3419.659797][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.659797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.659797][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.659797][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.659797][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.659797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.659797][ T10] [ 3419.661772][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3419.661772][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.661772][ T10] ipv6_find_idev+0x102/0x170 [ 3419.661772][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.661772][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.661772][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.661772][ T10] netlink_unicast+0x449/0x710 [ 3419.661772][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.661772][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.661772][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.661772][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.661772][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.661772][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.661772][ T10] [ 3419.663295][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3419.663295][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.663295][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.663295][ T10] ipv6_find_idev+0x102/0x170 [ 3419.663295][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.663295][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.663295][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.663295][ T10] netlink_unicast+0x449/0x710 [ 3419.663295][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.663295][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.663295][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.663295][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.663295][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.663295][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.663295][ T10] [ 3419.665369][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3419.665630][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3419.665630][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.665630][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.665630][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.665630][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.665630][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.665630][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.665630][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.665630][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.665630][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.665630][ T10] netlink_unicast+0x449/0x710 [ 3419.665630][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.665630][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.665630][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.665630][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.665630][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.665630][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.665630][ T10] [ 3419.667634][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3419.667634][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.667634][ T10] ipv6_find_idev+0x102/0x170 [ 3419.667634][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.667634][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.667634][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.667634][ T10] netlink_unicast+0x449/0x710 [ 3419.667634][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.667634][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.667634][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.667634][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.667634][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.667634][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.667634][ T10] [ 3419.669153][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3419.669153][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.669153][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.669153][ T10] ipv6_find_idev+0x102/0x170 [ 3419.669153][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.669153][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.669153][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.669153][ T10] netlink_unicast+0x449/0x710 [ 3419.669153][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.669153][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.669153][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.669153][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.669153][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.669153][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.669153][ T10] [ 3419.670877][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3419.671134][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3419.671134][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.671134][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.671134][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.671134][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.671134][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.671134][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.671134][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.671134][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.671134][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.671134][ T10] netlink_unicast+0x449/0x710 [ 3419.671134][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.671134][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.671134][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.671134][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.671134][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.671134][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.671134][ T10] [ 3419.673204][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3419.673204][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.673204][ T10] ipv6_find_idev+0x102/0x170 [ 3419.673204][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.673204][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.673204][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.673204][ T10] netlink_unicast+0x449/0x710 [ 3419.673204][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.673204][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.673204][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.673204][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.673204][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.673204][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.673204][ T10] [ 3419.677301][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3419.677301][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.677301][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.677301][ T10] ipv6_find_idev+0x102/0x170 [ 3419.677301][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.677301][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.677301][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.677301][ T10] netlink_unicast+0x449/0x710 [ 3419.677301][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.677301][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.677301][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.677301][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.677301][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.677301][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.677301][ T10] [ 3419.679083][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3419.679351][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3419.679351][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.679351][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.679351][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.679351][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.679351][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.679351][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.679351][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.679351][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.679351][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.679351][ T10] netlink_unicast+0x449/0x710 [ 3419.679351][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.679351][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.679351][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.679351][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.679351][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.679351][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.679351][ T10] [ 3419.681464][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3419.681464][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.681464][ T10] ipv6_find_idev+0x102/0x170 [ 3419.681464][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.681464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.681464][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.681464][ T10] netlink_unicast+0x449/0x710 [ 3419.681464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.681464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.681464][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.681464][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.681464][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.681464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.681464][ T10] [ 3419.683057][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3419.683057][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.683057][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.683057][ T10] ipv6_find_idev+0x102/0x170 [ 3419.683057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.683057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.683057][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.683057][ T10] netlink_unicast+0x449/0x710 [ 3419.683057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.683057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.683057][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.683057][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.683057][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.683057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.683057][ T10] [ 3419.684876][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3419.685151][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3419.685151][ T10] netdev_get_by_index+0x5e/0x80 [ 3419.685151][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3419.685151][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3419.685151][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3419.685151][ T10] ipv6_add_addr+0x411/0x2000 [ 3419.685151][ T10] inet6_addr_add+0x30e/0xa40 [ 3419.685151][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3419.685151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.685151][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.685151][ T10] netlink_unicast+0x449/0x710 [ 3419.685151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.685151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.685151][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.685151][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.685151][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.685151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.685151][ T10] [ 3419.687208][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3419.687208][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3419.687208][ T10] ipv6_find_idev+0x102/0x170 [ 3419.687208][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.687208][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.687208][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.687208][ T10] netlink_unicast+0x449/0x710 [ 3419.687208][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.687208][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.687208][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.687208][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.687208][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.687208][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.687208][ T10] [ 3419.688810][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3419.688810][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3419.688810][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3419.688810][ T10] ipv6_find_idev+0x102/0x170 [ 3419.688810][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3419.688810][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3419.688810][ T10] netlink_rcv_skb+0x130/0x360 [ 3419.688810][ T10] netlink_unicast+0x449/0x710 [ 3419.688810][ T10] netlink_sendmsg+0x723/0xbe0 [ 3419.688810][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3419.688810][ T10] ___sys_sendmsg+0xee/0x170 [ 3419.688810][ T10] __sys_sendmsg+0xcd/0x170 [ 3419.688810][ T10] do_syscall_64+0xc6/0x1e0 [ 3419.688810][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3419.688810][ T10] [ 3429.930962][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3429.931491][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3429.931491][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.931491][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.931491][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.931491][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.931491][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.931491][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.931491][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.931491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.931491][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.931491][ T10] netlink_unicast+0x449/0x710 [ 3429.931491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.931491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.931491][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.931491][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.931491][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.931491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.931491][ T10] [ 3429.933504][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3429.933504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.933504][ T10] ipv6_find_idev+0x102/0x170 [ 3429.933504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.933504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.933504][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.933504][ T10] netlink_unicast+0x449/0x710 [ 3429.933504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.933504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.933504][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.933504][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.933504][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.933504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.933504][ T10] [ 3429.935049][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3429.935049][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.935049][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.935049][ T10] ipv6_find_idev+0x102/0x170 [ 3429.935049][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.935049][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.935049][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.935049][ T10] netlink_unicast+0x449/0x710 [ 3429.935049][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.935049][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.935049][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.935049][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.935049][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.935049][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.935049][ T10] [ 3429.936758][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3429.937055][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3429.937055][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.937055][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.937055][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.937055][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.937055][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.937055][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.937055][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.937055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.937055][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.937055][ T10] netlink_unicast+0x449/0x710 [ 3429.937055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.937055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.937055][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.937055][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.937055][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.937055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.937055][ T10] [ 3429.939048][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3429.939048][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.939048][ T10] ipv6_find_idev+0x102/0x170 [ 3429.939048][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.939048][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.939048][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.939048][ T10] netlink_unicast+0x449/0x710 [ 3429.939048][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.939048][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.939048][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.939048][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.939048][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.939048][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.939048][ T10] [ 3429.940591][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3429.940591][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.940591][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.940591][ T10] ipv6_find_idev+0x102/0x170 [ 3429.940591][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.940591][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.940591][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.940591][ T10] netlink_unicast+0x449/0x710 [ 3429.940591][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.940591][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.940591][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.940591][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.940591][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.940591][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.940591][ T10] [ 3429.942263][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3429.942527][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3429.942527][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.942527][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.942527][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.942527][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.942527][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.942527][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.942527][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.942527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.942527][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.942527][ T10] netlink_unicast+0x449/0x710 [ 3429.942527][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.942527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.942527][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.942527][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.942527][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.942527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.942527][ T10] [ 3429.944504][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3429.944504][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.944504][ T10] ipv6_find_idev+0x102/0x170 [ 3429.944504][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.944504][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.944504][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.944504][ T10] netlink_unicast+0x449/0x710 [ 3429.944504][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.944504][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.944504][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.944504][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.944504][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.944504][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.944504][ T10] [ 3429.946030][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3429.946030][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.946030][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.946030][ T10] ipv6_find_idev+0x102/0x170 [ 3429.946030][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.946030][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.946030][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.946030][ T10] netlink_unicast+0x449/0x710 [ 3429.946030][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.946030][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.946030][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.946030][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.946030][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.946030][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.946030][ T10] [ 3429.947714][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3429.948403][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3429.948403][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.948403][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.948403][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.948403][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.948403][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.948403][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.948403][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.948403][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.948403][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.948403][ T10] netlink_unicast+0x449/0x710 [ 3429.948403][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.948403][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.948403][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.948403][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.948403][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.948403][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.948403][ T10] [ 3429.950396][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3429.950396][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.950396][ T10] ipv6_find_idev+0x102/0x170 [ 3429.950396][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.950396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.950396][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.950396][ T10] netlink_unicast+0x449/0x710 [ 3429.950396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.950396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.950396][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.950396][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.950396][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.950396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.950396][ T10] [ 3429.951931][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3429.951931][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.951931][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.951931][ T10] ipv6_find_idev+0x102/0x170 [ 3429.951931][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.951931][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.951931][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.951931][ T10] netlink_unicast+0x449/0x710 [ 3429.951931][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.951931][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.951931][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.951931][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.951931][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.951931][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.951931][ T10] [ 3429.953648][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3429.953963][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3429.953963][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.953963][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.953963][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.953963][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.953963][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.953963][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.953963][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.953963][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.953963][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.953963][ T10] netlink_unicast+0x449/0x710 [ 3429.953963][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.953963][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.953963][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.953963][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.953963][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.953963][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.953963][ T10] [ 3429.955959][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3429.955959][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.955959][ T10] ipv6_find_idev+0x102/0x170 [ 3429.955959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.955959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.955959][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.955959][ T10] netlink_unicast+0x449/0x710 [ 3429.955959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.955959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.955959][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.955959][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.955959][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.955959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.955959][ T10] [ 3429.957500][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3429.957500][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.957500][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.957500][ T10] ipv6_find_idev+0x102/0x170 [ 3429.957500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.957500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.957500][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.957500][ T10] netlink_unicast+0x449/0x710 [ 3429.957500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.957500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.957500][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.957500][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.957500][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.957500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.957500][ T10] [ 3429.959215][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3429.959519][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3429.959519][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.959519][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.959519][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.959519][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.959519][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.959519][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.959519][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.959519][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.959519][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.959519][ T10] netlink_unicast+0x449/0x710 [ 3429.959519][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.959519][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.959519][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.959519][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.959519][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.959519][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.959519][ T10] [ 3429.961501][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3429.961501][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.961501][ T10] ipv6_find_idev+0x102/0x170 [ 3429.961501][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.961501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.961501][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.961501][ T10] netlink_unicast+0x449/0x710 [ 3429.961501][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.961501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.961501][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.961501][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.961501][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.961501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.961501][ T10] [ 3429.963206][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3429.963206][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.963206][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.963206][ T10] ipv6_find_idev+0x102/0x170 [ 3429.963206][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.963206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.963206][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.963206][ T10] netlink_unicast+0x449/0x710 [ 3429.963206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.963206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.963206][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.963206][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.963206][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.963206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.963206][ T10] [ 3429.965136][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3429.965440][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3429.965440][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.965440][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.965440][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.965440][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.965440][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.965440][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.965440][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.965440][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.965440][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.965440][ T10] netlink_unicast+0x449/0x710 [ 3429.965440][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.965440][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.965440][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.965440][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.965440][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.965440][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.965440][ T10] [ 3429.967659][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3429.967659][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.967659][ T10] ipv6_find_idev+0x102/0x170 [ 3429.967659][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.967659][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.967659][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.967659][ T10] netlink_unicast+0x449/0x710 [ 3429.967659][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.967659][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.967659][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.967659][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.967659][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.967659][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.967659][ T10] [ 3429.969359][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3429.969359][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.969359][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.969359][ T10] ipv6_find_idev+0x102/0x170 [ 3429.969359][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.969359][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.969359][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.969359][ T10] netlink_unicast+0x449/0x710 [ 3429.969359][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.969359][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.969359][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.969359][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.969359][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.969359][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.969359][ T10] [ 3429.971240][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3429.971549][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3429.971549][ T10] netdev_get_by_index+0x5e/0x80 [ 3429.971549][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3429.971549][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3429.971549][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3429.971549][ T10] ipv6_add_addr+0x411/0x2000 [ 3429.971549][ T10] inet6_addr_add+0x30e/0xa40 [ 3429.971549][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3429.971549][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.971549][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.971549][ T10] netlink_unicast+0x449/0x710 [ 3429.971549][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.971549][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.971549][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.971549][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.971549][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.971549][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.971549][ T10] [ 3429.973722][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3429.973722][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3429.973722][ T10] ipv6_find_idev+0x102/0x170 [ 3429.973722][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.973722][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.973722][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.973722][ T10] netlink_unicast+0x449/0x710 [ 3429.973722][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.973722][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.973722][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.973722][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.973722][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.973722][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.973722][ T10] [ 3429.975424][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3429.975424][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3429.975424][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3429.975424][ T10] ipv6_find_idev+0x102/0x170 [ 3429.975424][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3429.975424][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3429.975424][ T10] netlink_rcv_skb+0x130/0x360 [ 3429.975424][ T10] netlink_unicast+0x449/0x710 [ 3429.975424][ T10] netlink_sendmsg+0x723/0xbe0 [ 3429.975424][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3429.975424][ T10] ___sys_sendmsg+0xee/0x170 [ 3429.975424][ T10] __sys_sendmsg+0xcd/0x170 [ 3429.975424][ T10] do_syscall_64+0xc6/0x1e0 [ 3429.975424][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3429.975424][ T10] [ 3440.218980][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3440.219437][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3440.219437][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.219437][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.219437][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.219437][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.219437][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.219437][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.219437][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.219437][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.219437][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.219437][ T10] netlink_unicast+0x449/0x710 [ 3440.219437][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.219437][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.219437][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.219437][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.219437][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.219437][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.219437][ T10] [ 3440.221399][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3440.221399][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.221399][ T10] ipv6_find_idev+0x102/0x170 [ 3440.221399][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.221399][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.221399][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.221399][ T10] netlink_unicast+0x449/0x710 [ 3440.221399][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.221399][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.221399][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.221399][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.221399][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.221399][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.221399][ T10] [ 3440.222909][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3440.222909][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.222909][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.222909][ T10] ipv6_find_idev+0x102/0x170 [ 3440.222909][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.222909][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.222909][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.222909][ T10] netlink_unicast+0x449/0x710 [ 3440.222909][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.222909][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.222909][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.222909][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.222909][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.222909][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.222909][ T10] [ 3440.224560][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3440.224831][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3440.224831][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.224831][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.224831][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.224831][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.224831][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.224831][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.224831][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.224831][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.224831][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.224831][ T10] netlink_unicast+0x449/0x710 [ 3440.224831][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.224831][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.224831][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.224831][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.224831][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.224831][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.224831][ T10] [ 3440.226791][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3440.226791][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.226791][ T10] ipv6_find_idev+0x102/0x170 [ 3440.226791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.226791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.226791][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.226791][ T10] netlink_unicast+0x449/0x710 [ 3440.226791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.226791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.226791][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.226791][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.226791][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.226791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.226791][ T10] [ 3440.228293][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3440.228293][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.228293][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.228293][ T10] ipv6_find_idev+0x102/0x170 [ 3440.228293][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.228293][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.228293][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.228293][ T10] netlink_unicast+0x449/0x710 [ 3440.228293][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.228293][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.228293][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.228293][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.228293][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.228293][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.228293][ T10] [ 3440.229926][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3440.230181][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3440.230181][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.230181][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.230181][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.230181][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.230181][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.230181][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.230181][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.230181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.230181][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.230181][ T10] netlink_unicast+0x449/0x710 [ 3440.230181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.230181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.230181][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.230181][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.230181][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.230181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.230181][ T10] [ 3440.232132][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3440.232132][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.232132][ T10] ipv6_find_idev+0x102/0x170 [ 3440.232132][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.232132][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.232132][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.232132][ T10] netlink_unicast+0x449/0x710 [ 3440.232132][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.232132][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.232132][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.232132][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.232132][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.232132][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.232132][ T10] [ 3440.233632][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3440.233632][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.233632][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.233632][ T10] ipv6_find_idev+0x102/0x170 [ 3440.233632][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.233632][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.233632][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.233632][ T10] netlink_unicast+0x449/0x710 [ 3440.233632][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.233632][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.233632][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.233632][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.233632][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.233632][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.233632][ T10] [ 3440.235312][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3440.235569][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3440.235569][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.235569][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.235569][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.235569][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.235569][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.235569][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.235569][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.235569][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.235569][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.235569][ T10] netlink_unicast+0x449/0x710 [ 3440.235569][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.235569][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.235569][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.235569][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.235569][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.235569][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.235569][ T10] [ 3440.237542][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3440.237542][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.237542][ T10] ipv6_find_idev+0x102/0x170 [ 3440.237542][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.237542][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.237542][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.237542][ T10] netlink_unicast+0x449/0x710 [ 3440.237542][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.237542][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.237542][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.237542][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.237542][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.237542][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.237542][ T10] [ 3440.239053][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3440.239053][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.239053][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.239053][ T10] ipv6_find_idev+0x102/0x170 [ 3440.239053][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.239053][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.239053][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.239053][ T10] netlink_unicast+0x449/0x710 [ 3440.239053][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.239053][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.239053][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.239053][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.239053][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.239053][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.239053][ T10] [ 3440.240704][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3440.241024][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3440.241024][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.241024][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.241024][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.241024][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.241024][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.241024][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.241024][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.241024][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.241024][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.241024][ T10] netlink_unicast+0x449/0x710 [ 3440.241024][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.241024][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.241024][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.241024][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.241024][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.241024][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.241024][ T10] [ 3440.242995][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3440.242995][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.242995][ T10] ipv6_find_idev+0x102/0x170 [ 3440.242995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.242995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.242995][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.242995][ T10] netlink_unicast+0x449/0x710 [ 3440.242995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.242995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.242995][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.242995][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.242995][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.242995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.242995][ T10] [ 3440.244512][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3440.244512][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.244512][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.244512][ T10] ipv6_find_idev+0x102/0x170 [ 3440.244512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.244512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.244512][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.244512][ T10] netlink_unicast+0x449/0x710 [ 3440.244512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.244512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.244512][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.244512][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.244512][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.244512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.244512][ T10] [ 3440.246559][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3440.246834][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3440.246834][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.246834][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.246834][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.246834][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.246834][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.246834][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.246834][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.246834][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.246834][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.246834][ T10] netlink_unicast+0x449/0x710 [ 3440.246834][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.246834][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.246834][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.246834][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.246834][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.246834][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.246834][ T10] [ 3440.248994][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3440.248994][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.248994][ T10] ipv6_find_idev+0x102/0x170 [ 3440.248994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.248994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.248994][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.248994][ T10] netlink_unicast+0x449/0x710 [ 3440.248994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.248994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.248994][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.248994][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.248994][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.248994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.248994][ T10] [ 3440.250680][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3440.250680][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.250680][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.250680][ T10] ipv6_find_idev+0x102/0x170 [ 3440.250680][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.250680][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.250680][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.250680][ T10] netlink_unicast+0x449/0x710 [ 3440.250680][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.250680][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.250680][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.250680][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.250680][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.250680][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.250680][ T10] [ 3440.252672][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3440.252980][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3440.252980][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.252980][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.252980][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.252980][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.252980][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.252980][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.252980][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.252980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.252980][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.252980][ T10] netlink_unicast+0x449/0x710 [ 3440.252980][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.252980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.252980][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.252980][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.252980][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.252980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.252980][ T10] [ 3440.255614][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3440.255614][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.255614][ T10] ipv6_find_idev+0x102/0x170 [ 3440.255614][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.255614][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.255614][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.255614][ T10] netlink_unicast+0x449/0x710 [ 3440.255614][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.255614][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.255614][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.255614][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.255614][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.255614][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.255614][ T10] [ 3440.257247][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3440.257247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.257247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.257247][ T10] ipv6_find_idev+0x102/0x170 [ 3440.257247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.257247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.257247][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.257247][ T10] netlink_unicast+0x449/0x710 [ 3440.257247][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.257247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.257247][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.257247][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.257247][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.257247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.257247][ T10] [ 3440.259173][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3440.259433][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3440.259433][ T10] netdev_get_by_index+0x5e/0x80 [ 3440.259433][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3440.259433][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3440.259433][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3440.259433][ T10] ipv6_add_addr+0x411/0x2000 [ 3440.259433][ T10] inet6_addr_add+0x30e/0xa40 [ 3440.259433][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3440.259433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.259433][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.259433][ T10] netlink_unicast+0x449/0x710 [ 3440.259433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.259433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.259433][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.259433][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.259433][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.259433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.259433][ T10] [ 3440.264133][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3440.264133][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3440.264133][ T10] ipv6_find_idev+0x102/0x170 [ 3440.264133][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.264133][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.264133][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.264133][ T10] netlink_unicast+0x449/0x710 [ 3440.264133][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.264133][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.264133][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.264133][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.264133][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.264133][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.264133][ T10] [ 3440.265893][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3440.265893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3440.265893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3440.265893][ T10] ipv6_find_idev+0x102/0x170 [ 3440.265893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3440.265893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3440.265893][ T10] netlink_rcv_skb+0x130/0x360 [ 3440.265893][ T10] netlink_unicast+0x449/0x710 [ 3440.265893][ T10] netlink_sendmsg+0x723/0xbe0 [ 3440.265893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3440.265893][ T10] ___sys_sendmsg+0xee/0x170 [ 3440.265893][ T10] __sys_sendmsg+0xcd/0x170 [ 3440.265893][ T10] do_syscall_64+0xc6/0x1e0 [ 3440.265893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3440.265893][ T10] [ 3450.506979][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3450.507446][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3450.507446][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.507446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.507446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.507446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.507446][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.507446][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.507446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.507446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.507446][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.507446][ T10] netlink_unicast+0x449/0x710 [ 3450.507446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.507446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.507446][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.507446][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.507446][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.507446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.507446][ T10] [ 3450.509426][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3450.509426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.509426][ T10] ipv6_find_idev+0x102/0x170 [ 3450.509426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.509426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.509426][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.509426][ T10] netlink_unicast+0x449/0x710 [ 3450.509426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.509426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.509426][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.509426][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.509426][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.509426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.509426][ T10] [ 3450.510954][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3450.510954][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.510954][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.510954][ T10] ipv6_find_idev+0x102/0x170 [ 3450.510954][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.510954][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.510954][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.510954][ T10] netlink_unicast+0x449/0x710 [ 3450.510954][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.510954][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.510954][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.510954][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.510954][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.510954][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.510954][ T10] [ 3450.512711][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3450.512994][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3450.512994][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.512994][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.512994][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.512994][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.512994][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.512994][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.512994][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.512994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.512994][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.512994][ T10] netlink_unicast+0x449/0x710 [ 3450.512994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.512994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.512994][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.512994][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.512994][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.512994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.512994][ T10] [ 3450.514961][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3450.514961][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.514961][ T10] ipv6_find_idev+0x102/0x170 [ 3450.514961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.514961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.514961][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.514961][ T10] netlink_unicast+0x449/0x710 [ 3450.514961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.514961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.514961][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.514961][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.514961][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.514961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.514961][ T10] [ 3450.516481][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3450.516481][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.516481][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.516481][ T10] ipv6_find_idev+0x102/0x170 [ 3450.516481][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.516481][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.516481][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.516481][ T10] netlink_unicast+0x449/0x710 [ 3450.516481][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.516481][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.516481][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.516481][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.516481][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.516481][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.516481][ T10] [ 3450.518171][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3450.518429][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3450.518429][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.518429][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.518429][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.518429][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.518429][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.518429][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.518429][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.518429][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.518429][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.518429][ T10] netlink_unicast+0x449/0x710 [ 3450.518429][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.518429][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.518429][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.518429][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.518429][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.518429][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.518429][ T10] [ 3450.520397][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3450.520397][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.520397][ T10] ipv6_find_idev+0x102/0x170 [ 3450.520397][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.520397][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.520397][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.520397][ T10] netlink_unicast+0x449/0x710 [ 3450.520397][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.520397][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.520397][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.520397][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.520397][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.520397][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.520397][ T10] [ 3450.521914][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3450.521914][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.521914][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.521914][ T10] ipv6_find_idev+0x102/0x170 [ 3450.521914][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.521914][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.521914][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.521914][ T10] netlink_unicast+0x449/0x710 [ 3450.521914][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.521914][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.521914][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.521914][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.521914][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.521914][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.521914][ T10] [ 3450.523571][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3450.523858][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3450.523858][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.523858][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.523858][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.523858][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.523858][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.523858][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.523858][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.523858][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.523858][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.523858][ T10] netlink_unicast+0x449/0x710 [ 3450.523858][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.523858][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.523858][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.523858][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.523858][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.523858][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.523858][ T10] [ 3450.525828][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3450.525828][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.525828][ T10] ipv6_find_idev+0x102/0x170 [ 3450.525828][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.525828][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.525828][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.525828][ T10] netlink_unicast+0x449/0x710 [ 3450.525828][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.525828][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.525828][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.525828][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.525828][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.525828][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.525828][ T10] [ 3450.527376][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3450.527376][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.527376][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.527376][ T10] ipv6_find_idev+0x102/0x170 [ 3450.527376][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.527376][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.527376][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.527376][ T10] netlink_unicast+0x449/0x710 [ 3450.527376][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.527376][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.527376][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.527376][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.527376][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.527376][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.527376][ T10] [ 3450.529433][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3450.529701][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3450.529701][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.529701][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.529701][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.529701][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.529701][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.529701][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.529701][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.529701][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.529701][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.529701][ T10] netlink_unicast+0x449/0x710 [ 3450.529701][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.529701][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.529701][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.529701][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.529701][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.529701][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.529701][ T10] [ 3450.531670][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3450.531670][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.531670][ T10] ipv6_find_idev+0x102/0x170 [ 3450.531670][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.531670][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.531670][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.531670][ T10] netlink_unicast+0x449/0x710 [ 3450.531670][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.531670][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.531670][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.531670][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.531670][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.531670][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.531670][ T10] [ 3450.533190][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3450.533190][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.533190][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.533190][ T10] ipv6_find_idev+0x102/0x170 [ 3450.533190][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.533190][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.533190][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.533190][ T10] netlink_unicast+0x449/0x710 [ 3450.533190][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.533190][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.533190][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.533190][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.533190][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.533190][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.533190][ T10] [ 3450.534897][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3450.535157][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3450.535157][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.535157][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.535157][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.535157][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.535157][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.535157][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.535157][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.535157][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.535157][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.535157][ T10] netlink_unicast+0x449/0x710 [ 3450.535157][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.535157][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.535157][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.535157][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.535157][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.535157][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.535157][ T10] [ 3450.537255][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3450.537255][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.537255][ T10] ipv6_find_idev+0x102/0x170 [ 3450.537255][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.537255][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.537255][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.537255][ T10] netlink_unicast+0x449/0x710 [ 3450.537255][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.537255][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.537255][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.537255][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.537255][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.537255][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.537255][ T10] [ 3450.538961][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3450.538961][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.538961][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.538961][ T10] ipv6_find_idev+0x102/0x170 [ 3450.538961][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.538961][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.538961][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.538961][ T10] netlink_unicast+0x449/0x710 [ 3450.538961][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.538961][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.538961][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.538961][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.538961][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.538961][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.538961][ T10] [ 3450.540859][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3450.541115][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3450.541115][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.541115][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.541115][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.541115][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.541115][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.541115][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.541115][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.541115][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.541115][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.541115][ T10] netlink_unicast+0x449/0x710 [ 3450.541115][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.541115][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.541115][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.541115][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.541115][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.541115][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.541115][ T10] [ 3450.543387][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3450.543387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.543387][ T10] ipv6_find_idev+0x102/0x170 [ 3450.543387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.543387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.543387][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.543387][ T10] netlink_unicast+0x449/0x710 [ 3450.543387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.543387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.543387][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.543387][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.543387][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.543387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.543387][ T10] [ 3450.545085][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3450.545085][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.545085][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.545085][ T10] ipv6_find_idev+0x102/0x170 [ 3450.545085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.545085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.545085][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.545085][ T10] netlink_unicast+0x449/0x710 [ 3450.545085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.545085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.545085][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.545085][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.545085][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.545085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.545085][ T10] [ 3450.546973][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3450.547240][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3450.547240][ T10] netdev_get_by_index+0x5e/0x80 [ 3450.547240][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3450.547240][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3450.547240][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3450.547240][ T10] ipv6_add_addr+0x411/0x2000 [ 3450.547240][ T10] inet6_addr_add+0x30e/0xa40 [ 3450.547240][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3450.547240][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.547240][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.547240][ T10] netlink_unicast+0x449/0x710 [ 3450.547240][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.547240][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.547240][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.547240][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.547240][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.547240][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.547240][ T10] [ 3450.549449][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3450.549449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3450.549449][ T10] ipv6_find_idev+0x102/0x170 [ 3450.549449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.549449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.549449][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.549449][ T10] netlink_unicast+0x449/0x710 [ 3450.549449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.549449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.549449][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.549449][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.549449][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.549449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.549449][ T10] [ 3450.551147][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3450.551147][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3450.551147][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3450.551147][ T10] ipv6_find_idev+0x102/0x170 [ 3450.551147][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3450.551147][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3450.551147][ T10] netlink_rcv_skb+0x130/0x360 [ 3450.551147][ T10] netlink_unicast+0x449/0x710 [ 3450.551147][ T10] netlink_sendmsg+0x723/0xbe0 [ 3450.551147][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3450.551147][ T10] ___sys_sendmsg+0xee/0x170 [ 3450.551147][ T10] __sys_sendmsg+0xcd/0x170 [ 3450.551147][ T10] do_syscall_64+0xc6/0x1e0 [ 3450.551147][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3450.551147][ T10] [ 3460.794976][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3460.795506][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3460.795506][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.795506][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.795506][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.795506][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.795506][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.795506][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.795506][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.795506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.795506][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.795506][ T10] netlink_unicast+0x449/0x710 [ 3460.795506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.795506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.795506][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.795506][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.795506][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.795506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.795506][ T10] [ 3460.798688][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3460.798688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.798688][ T10] ipv6_find_idev+0x102/0x170 [ 3460.798688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.798688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.798688][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.798688][ T10] netlink_unicast+0x449/0x710 [ 3460.798688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.798688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.798688][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.798688][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.798688][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.798688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.798688][ T10] [ 3460.801136][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3460.801136][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.801136][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.801136][ T10] ipv6_find_idev+0x102/0x170 [ 3460.801136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.801136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.801136][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.801136][ T10] netlink_unicast+0x449/0x710 [ 3460.801136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.801136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.801136][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.801136][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.801136][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.801136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.801136][ T10] [ 3460.803819][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3460.804258][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3460.804258][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.804258][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.804258][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.804258][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.804258][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.804258][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.804258][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.804258][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.804258][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.804258][ T10] netlink_unicast+0x449/0x710 [ 3460.804258][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.804258][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.804258][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.804258][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.804258][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.804258][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.804258][ T10] [ 3460.807438][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3460.807438][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.807438][ T10] ipv6_find_idev+0x102/0x170 [ 3460.807438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.807438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.807438][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.807438][ T10] netlink_unicast+0x449/0x710 [ 3460.807438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.807438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.807438][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.807438][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.807438][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.807438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.807438][ T10] [ 3460.809887][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3460.809887][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.809887][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.809887][ T10] ipv6_find_idev+0x102/0x170 [ 3460.809887][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.809887][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.809887][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.809887][ T10] netlink_unicast+0x449/0x710 [ 3460.809887][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.809887][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.809887][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.809887][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.809887][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.809887][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.809887][ T10] [ 3460.812559][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3460.812996][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3460.812996][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.812996][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.812996][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.812996][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.812996][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.812996][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.812996][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.812996][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.812996][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.812996][ T10] netlink_unicast+0x449/0x710 [ 3460.812996][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.812996][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.812996][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.812996][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.812996][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.812996][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.812996][ T10] [ 3460.816159][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3460.816159][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.816159][ T10] ipv6_find_idev+0x102/0x170 [ 3460.816159][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.816159][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.816159][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.816159][ T10] netlink_unicast+0x449/0x710 [ 3460.816159][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.816159][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.816159][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.816159][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.816159][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.816159][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.816159][ T10] [ 3460.818608][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3460.818608][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.818608][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.818608][ T10] ipv6_find_idev+0x102/0x170 [ 3460.818608][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.818608][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.818608][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.818608][ T10] netlink_unicast+0x449/0x710 [ 3460.818608][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.818608][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.818608][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.818608][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.818608][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.818608][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.818608][ T10] [ 3460.821281][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3460.821699][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3460.821699][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.821699][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.821699][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.821699][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.821699][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.821699][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.821699][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.821699][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.821699][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.821699][ T10] netlink_unicast+0x449/0x710 [ 3460.821699][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.821699][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.821699][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.821699][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.821699][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.821699][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.821699][ T10] [ 3460.824983][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3460.824983][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.824983][ T10] ipv6_find_idev+0x102/0x170 [ 3460.824983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.824983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.824983][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.824983][ T10] netlink_unicast+0x449/0x710 [ 3460.824983][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.824983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.824983][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.824983][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.824983][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.824983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.824983][ T10] [ 3460.827452][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3460.827452][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.827452][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.827452][ T10] ipv6_find_idev+0x102/0x170 [ 3460.827452][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.827452][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.827452][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.827452][ T10] netlink_unicast+0x449/0x710 [ 3460.827452][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.827452][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.827452][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.827452][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.827452][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.827452][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.827452][ T10] [ 3460.830633][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3460.831345][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3460.831345][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.831345][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.831345][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.831345][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.831345][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.831345][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.831345][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.831345][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.831345][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.831345][ T10] netlink_unicast+0x449/0x710 [ 3460.831345][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.831345][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.831345][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.831345][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.831345][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.831345][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.831345][ T10] [ 3460.834512][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3460.834512][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.834512][ T10] ipv6_find_idev+0x102/0x170 [ 3460.834512][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.834512][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.834512][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.834512][ T10] netlink_unicast+0x449/0x710 [ 3460.834512][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.834512][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.834512][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.834512][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.834512][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.834512][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.834512][ T10] [ 3460.836980][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3460.836980][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.836980][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.836980][ T10] ipv6_find_idev+0x102/0x170 [ 3460.836980][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.836980][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.836980][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.836980][ T10] netlink_unicast+0x449/0x710 [ 3460.836980][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.836980][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.836980][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.836980][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.836980][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.836980][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.836980][ T10] [ 3460.839674][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3460.840207][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3460.840207][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.840207][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.840207][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.840207][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.840207][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.840207][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.840207][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.840207][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.840207][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.840207][ T10] netlink_unicast+0x449/0x710 [ 3460.840207][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.840207][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.840207][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.840207][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.840207][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.840207][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.840207][ T10] [ 3460.843387][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3460.843387][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.843387][ T10] ipv6_find_idev+0x102/0x170 [ 3460.843387][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.843387][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.843387][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.843387][ T10] netlink_unicast+0x449/0x710 [ 3460.843387][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.843387][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.843387][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.843387][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.843387][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.843387][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.843387][ T10] [ 3460.845956][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3460.845956][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.845956][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.845956][ T10] ipv6_find_idev+0x102/0x170 [ 3460.845956][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.845956][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.845956][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.845956][ T10] netlink_unicast+0x449/0x710 [ 3460.845956][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.845956][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.845956][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.845956][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.845956][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.845956][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.845956][ T10] [ 3460.849104][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3460.849571][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3460.849571][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.849571][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.849571][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.849571][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.849571][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.849571][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.849571][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.849571][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.849571][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.849571][ T10] netlink_unicast+0x449/0x710 [ 3460.849571][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.849571][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.849571][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.849571][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.849571][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.849571][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.849571][ T10] [ 3460.853085][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3460.853085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.853085][ T10] ipv6_find_idev+0x102/0x170 [ 3460.853085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.853085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.853085][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.853085][ T10] netlink_unicast+0x449/0x710 [ 3460.853085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.853085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.853085][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.853085][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.853085][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.853085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.853085][ T10] [ 3460.855889][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3460.855889][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.855889][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.855889][ T10] ipv6_find_idev+0x102/0x170 [ 3460.855889][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.855889][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.855889][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.855889][ T10] netlink_unicast+0x449/0x710 [ 3460.855889][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.855889][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.855889][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.855889][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.855889][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.855889][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.855889][ T10] [ 3460.859008][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3460.859426][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3460.859426][ T10] netdev_get_by_index+0x5e/0x80 [ 3460.859426][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3460.859426][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3460.859426][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3460.859426][ T10] ipv6_add_addr+0x411/0x2000 [ 3460.859426][ T10] inet6_addr_add+0x30e/0xa40 [ 3460.859426][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3460.859426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.859426][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.859426][ T10] netlink_unicast+0x449/0x710 [ 3460.859426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.859426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.859426][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.859426][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.859426][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.859426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.859426][ T10] [ 3460.863069][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3460.863069][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3460.863069][ T10] ipv6_find_idev+0x102/0x170 [ 3460.863069][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.863069][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.863069][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.863069][ T10] netlink_unicast+0x449/0x710 [ 3460.863069][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.863069][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.863069][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.863069][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.863069][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.863069][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.863069][ T10] [ 3460.865968][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3460.865968][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3460.865968][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3460.865968][ T10] ipv6_find_idev+0x102/0x170 [ 3460.865968][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3460.865968][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3460.865968][ T10] netlink_rcv_skb+0x130/0x360 [ 3460.865968][ T10] netlink_unicast+0x449/0x710 [ 3460.865968][ T10] netlink_sendmsg+0x723/0xbe0 [ 3460.865968][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3460.865968][ T10] ___sys_sendmsg+0xee/0x170 [ 3460.865968][ T10] __sys_sendmsg+0xcd/0x170 [ 3460.865968][ T10] do_syscall_64+0xc6/0x1e0 [ 3460.865968][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3460.865968][ T10] [ 3471.106940][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3471.107518][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3471.107518][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.107518][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.107518][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.107518][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.107518][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.107518][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.107518][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.107518][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.107518][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.107518][ T10] netlink_unicast+0x449/0x710 [ 3471.107518][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.107518][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.107518][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.107518][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.107518][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.107518][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.107518][ T10] [ 3471.110724][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3471.110724][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.110724][ T10] ipv6_find_idev+0x102/0x170 [ 3471.110724][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.110724][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.110724][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.110724][ T10] netlink_unicast+0x449/0x710 [ 3471.110724][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.110724][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.110724][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.110724][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.110724][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.110724][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.110724][ T10] [ 3471.113198][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3471.113198][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.113198][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.113198][ T10] ipv6_find_idev+0x102/0x170 [ 3471.113198][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.113198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.113198][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.113198][ T10] netlink_unicast+0x449/0x710 [ 3471.113198][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.113198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.113198][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.113198][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.113198][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.113198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.113198][ T10] [ 3471.115917][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3471.116350][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3471.116350][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.116350][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.116350][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.116350][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.116350][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.116350][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.116350][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.116350][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.116350][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.116350][ T10] netlink_unicast+0x449/0x710 [ 3471.116350][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.116350][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.116350][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.116350][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.116350][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.116350][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.116350][ T10] [ 3471.119562][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3471.119562][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.119562][ T10] ipv6_find_idev+0x102/0x170 [ 3471.119562][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.119562][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.119562][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.119562][ T10] netlink_unicast+0x449/0x710 [ 3471.119562][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.119562][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.119562][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.119562][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.119562][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.119562][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.119562][ T10] [ 3471.122029][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3471.122029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.122029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.122029][ T10] ipv6_find_idev+0x102/0x170 [ 3471.122029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.122029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.122029][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.122029][ T10] netlink_unicast+0x449/0x710 [ 3471.122029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.122029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.122029][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.122029][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.122029][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.122029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.122029][ T10] [ 3471.124741][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3471.125189][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3471.125189][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.125189][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.125189][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.125189][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.125189][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.125189][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.125189][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.125189][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.125189][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.125189][ T10] netlink_unicast+0x449/0x710 [ 3471.125189][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.125189][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.125189][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.125189][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.125189][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.125189][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.125189][ T10] [ 3471.128414][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3471.128414][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.128414][ T10] ipv6_find_idev+0x102/0x170 [ 3471.128414][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.128414][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.128414][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.128414][ T10] netlink_unicast+0x449/0x710 [ 3471.128414][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.128414][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.128414][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.128414][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.128414][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.128414][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.128414][ T10] [ 3471.130993][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3471.130993][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.130993][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.130993][ T10] ipv6_find_idev+0x102/0x170 [ 3471.130993][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.130993][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.130993][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.130993][ T10] netlink_unicast+0x449/0x710 [ 3471.130993][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.130993][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.130993][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.130993][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.130993][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.130993][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.130993][ T10] [ 3471.133694][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3471.134585][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3471.134585][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.134585][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.134585][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.134585][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.134585][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.134585][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.134585][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.134585][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.134585][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.134585][ T10] netlink_unicast+0x449/0x710 [ 3471.134585][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.134585][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.134585][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.134585][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.134585][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.134585][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.134585][ T10] [ 3471.138262][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3471.138262][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.138262][ T10] ipv6_find_idev+0x102/0x170 [ 3471.138262][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.138262][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.138262][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.138262][ T10] netlink_unicast+0x449/0x710 [ 3471.138262][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.138262][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.138262][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.138262][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.138262][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.138262][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.138262][ T10] [ 3471.140735][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3471.140735][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.140735][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.140735][ T10] ipv6_find_idev+0x102/0x170 [ 3471.140735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.140735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.140735][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.140735][ T10] netlink_unicast+0x449/0x710 [ 3471.140735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.140735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.140735][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.140735][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.140735][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.140735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.140735][ T10] [ 3471.143533][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3471.144037][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3471.144037][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.144037][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.144037][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.144037][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.144037][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.144037][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.144037][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.144037][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.144037][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.144037][ T10] netlink_unicast+0x449/0x710 [ 3471.144037][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.144037][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.144037][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.144037][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.144037][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.144037][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.144037][ T10] [ 3471.147223][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3471.147223][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.147223][ T10] ipv6_find_idev+0x102/0x170 [ 3471.147223][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.147223][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.147223][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.147223][ T10] netlink_unicast+0x449/0x710 [ 3471.147223][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.147223][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.147223][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.147223][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.147223][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.147223][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.147223][ T10] [ 3471.151958][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3471.151958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.151958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.151958][ T10] ipv6_find_idev+0x102/0x170 [ 3471.151958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.151958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.151958][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.151958][ T10] netlink_unicast+0x449/0x710 [ 3471.151958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.151958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.151958][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.151958][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.151958][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.151958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.151958][ T10] [ 3471.154737][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3471.155246][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3471.155246][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.155246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.155246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.155246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.155246][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.155246][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.155246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.155246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.155246][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.155246][ T10] netlink_unicast+0x449/0x710 [ 3471.155246][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.155246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.155246][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.155246][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.155246][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.155246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.155246][ T10] [ 3471.158409][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3471.158409][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.158409][ T10] ipv6_find_idev+0x102/0x170 [ 3471.158409][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.158409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.158409][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.158409][ T10] netlink_unicast+0x449/0x710 [ 3471.158409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.158409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.158409][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.158409][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.158409][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.158409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.158409][ T10] [ 3471.161181][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3471.161181][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.161181][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.161181][ T10] ipv6_find_idev+0x102/0x170 [ 3471.161181][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.161181][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.161181][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.161181][ T10] netlink_unicast+0x449/0x710 [ 3471.161181][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.161181][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.161181][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.161181][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.161181][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.161181][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.161181][ T10] [ 3471.164412][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3471.164821][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3471.164821][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.164821][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.164821][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.164821][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.164821][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.164821][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.164821][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.164821][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.164821][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.164821][ T10] netlink_unicast+0x449/0x710 [ 3471.164821][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.164821][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.164821][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.164821][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.164821][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.164821][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.164821][ T10] [ 3471.168407][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3471.168407][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.168407][ T10] ipv6_find_idev+0x102/0x170 [ 3471.168407][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.168407][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.168407][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.168407][ T10] netlink_unicast+0x449/0x710 [ 3471.168407][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.168407][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.168407][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.168407][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.168407][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.168407][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.168407][ T10] [ 3471.171195][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3471.171195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.171195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.171195][ T10] ipv6_find_idev+0x102/0x170 [ 3471.171195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.171195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.171195][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.171195][ T10] netlink_unicast+0x449/0x710 [ 3471.171195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.171195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.171195][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.171195][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.171195][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.171195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.171195][ T10] [ 3471.174366][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3471.174764][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3471.174764][ T10] netdev_get_by_index+0x5e/0x80 [ 3471.174764][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3471.174764][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3471.174764][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3471.174764][ T10] ipv6_add_addr+0x411/0x2000 [ 3471.174764][ T10] inet6_addr_add+0x30e/0xa40 [ 3471.174764][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3471.174764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.174764][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.174764][ T10] netlink_unicast+0x449/0x710 [ 3471.174764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.174764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.174764][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.174764][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.174764][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.174764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.174764][ T10] [ 3471.178252][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3471.178252][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3471.178252][ T10] ipv6_find_idev+0x102/0x170 [ 3471.178252][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.178252][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.178252][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.178252][ T10] netlink_unicast+0x449/0x710 [ 3471.178252][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.178252][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.178252][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.178252][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.178252][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.178252][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.178252][ T10] [ 3471.181054][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3471.181054][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3471.181054][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3471.181054][ T10] ipv6_find_idev+0x102/0x170 [ 3471.181054][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3471.181054][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3471.181054][ T10] netlink_rcv_skb+0x130/0x360 [ 3471.181054][ T10] netlink_unicast+0x449/0x710 [ 3471.181054][ T10] netlink_sendmsg+0x723/0xbe0 [ 3471.181054][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3471.181054][ T10] ___sys_sendmsg+0xee/0x170 [ 3471.181054][ T10] __sys_sendmsg+0xcd/0x170 [ 3471.181054][ T10] do_syscall_64+0xc6/0x1e0 [ 3471.181054][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3471.181054][ T10] [ 3481.315006][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3481.315573][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3481.315573][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.315573][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.315573][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.315573][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.315573][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.315573][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.315573][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.315573][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.315573][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.315573][ T10] netlink_unicast+0x449/0x710 [ 3481.315573][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.315573][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.315573][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.315573][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.315573][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.315573][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.315573][ T10] [ 3481.318775][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3481.318775][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.318775][ T10] ipv6_find_idev+0x102/0x170 [ 3481.318775][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.318775][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.318775][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.318775][ T10] netlink_unicast+0x449/0x710 [ 3481.318775][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.318775][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.318775][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.318775][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.318775][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.318775][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.318775][ T10] [ 3481.321274][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3481.321274][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.321274][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.321274][ T10] ipv6_find_idev+0x102/0x170 [ 3481.321274][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.321274][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.321274][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.321274][ T10] netlink_unicast+0x449/0x710 [ 3481.321274][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.321274][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.321274][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.321274][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.321274][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.321274][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.321274][ T10] [ 3481.323985][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3481.324409][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3481.324409][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.324409][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.324409][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.324409][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.324409][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.324409][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.324409][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.324409][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.324409][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.324409][ T10] netlink_unicast+0x449/0x710 [ 3481.324409][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.324409][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.324409][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.324409][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.324409][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.324409][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.324409][ T10] [ 3481.327629][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3481.327629][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.327629][ T10] ipv6_find_idev+0x102/0x170 [ 3481.327629][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.327629][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.327629][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.327629][ T10] netlink_unicast+0x449/0x710 [ 3481.327629][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.327629][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.327629][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.327629][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.327629][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.327629][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.327629][ T10] [ 3481.330093][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3481.330093][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.330093][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.330093][ T10] ipv6_find_idev+0x102/0x170 [ 3481.330093][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.330093][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.330093][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.330093][ T10] netlink_unicast+0x449/0x710 [ 3481.330093][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.330093][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.330093][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.330093][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.330093][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.330093][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.330093][ T10] [ 3481.332789][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3481.333227][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3481.333227][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.333227][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.333227][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.333227][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.333227][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.333227][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.333227][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.333227][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.333227][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.333227][ T10] netlink_unicast+0x449/0x710 [ 3481.333227][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.333227][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.333227][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.333227][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.333227][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.333227][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.333227][ T10] [ 3481.336426][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3481.336426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.336426][ T10] ipv6_find_idev+0x102/0x170 [ 3481.336426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.336426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.336426][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.336426][ T10] netlink_unicast+0x449/0x710 [ 3481.336426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.336426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.336426][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.336426][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.336426][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.336426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.336426][ T10] [ 3481.338906][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3481.338906][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.338906][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.338906][ T10] ipv6_find_idev+0x102/0x170 [ 3481.338906][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.338906][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.338906][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.338906][ T10] netlink_unicast+0x449/0x710 [ 3481.338906][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.338906][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.338906][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.338906][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.338906][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.338906][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.338906][ T10] [ 3481.341612][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3481.342501][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3481.342501][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.342501][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.342501][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.342501][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.342501][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.342501][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.342501][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.342501][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.342501][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.342501][ T10] netlink_unicast+0x449/0x710 [ 3481.342501][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.342501][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.342501][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.342501][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.342501][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.342501][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.342501][ T10] [ 3481.345709][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3481.345709][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.345709][ T10] ipv6_find_idev+0x102/0x170 [ 3481.345709][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.345709][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.345709][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.345709][ T10] netlink_unicast+0x449/0x710 [ 3481.345709][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.345709][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.345709][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.345709][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.345709][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.345709][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.345709][ T10] [ 3481.348164][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3481.348164][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.348164][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.348164][ T10] ipv6_find_idev+0x102/0x170 [ 3481.348164][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.348164][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.348164][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.348164][ T10] netlink_unicast+0x449/0x710 [ 3481.348164][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.348164][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.348164][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.348164][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.348164][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.348164][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.348164][ T10] [ 3481.350965][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3481.351385][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3481.351385][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.351385][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.351385][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.351385][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.351385][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.351385][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.351385][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.351385][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.351385][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.351385][ T10] netlink_unicast+0x449/0x710 [ 3481.351385][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.351385][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.351385][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.351385][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.351385][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.351385][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.351385][ T10] [ 3481.354589][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3481.354589][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.354589][ T10] ipv6_find_idev+0x102/0x170 [ 3481.354589][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.354589][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.354589][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.354589][ T10] netlink_unicast+0x449/0x710 [ 3481.354589][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.354589][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.354589][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.354589][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.354589][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.354589][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.354589][ T10] [ 3481.357096][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3481.357096][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.357096][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.357096][ T10] ipv6_find_idev+0x102/0x170 [ 3481.357096][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.357096][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.357096][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.357096][ T10] netlink_unicast+0x449/0x710 [ 3481.357096][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.357096][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.357096][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.357096][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.357096][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.357096][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.357096][ T10] [ 3481.359904][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3481.360288][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3481.360288][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.360288][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.360288][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.360288][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.360288][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.360288][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.360288][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.360288][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.360288][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.360288][ T10] netlink_unicast+0x449/0x710 [ 3481.360288][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.360288][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.360288][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.360288][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.360288][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.360288][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.360288][ T10] [ 3481.363703][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3481.363703][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.363703][ T10] ipv6_find_idev+0x102/0x170 [ 3481.363703][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.363703][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.363703][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.363703][ T10] netlink_unicast+0x449/0x710 [ 3481.363703][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.363703][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.363703][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.363703][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.363703][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.363703][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.363703][ T10] [ 3481.366514][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3481.366514][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.366514][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.366514][ T10] ipv6_find_idev+0x102/0x170 [ 3481.366514][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.366514][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.366514][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.366514][ T10] netlink_unicast+0x449/0x710 [ 3481.366514][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.366514][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.366514][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.366514][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.366514][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.366514][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.366514][ T10] [ 3481.369649][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3481.370220][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3481.370220][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.370220][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.370220][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.370220][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.370220][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.370220][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.370220][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.370220][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.370220][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.370220][ T10] netlink_unicast+0x449/0x710 [ 3481.370220][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.370220][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.370220][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.370220][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.370220][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.370220][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.370220][ T10] [ 3481.373732][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3481.373732][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.373732][ T10] ipv6_find_idev+0x102/0x170 [ 3481.373732][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.373732][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.373732][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.373732][ T10] netlink_unicast+0x449/0x710 [ 3481.373732][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.373732][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.373732][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.373732][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.373732][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.373732][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.373732][ T10] [ 3481.376555][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3481.376555][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.376555][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.376555][ T10] ipv6_find_idev+0x102/0x170 [ 3481.376555][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.376555][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.376555][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.376555][ T10] netlink_unicast+0x449/0x710 [ 3481.376555][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.376555][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.376555][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.376555][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.376555][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.376555][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.376555][ T10] [ 3481.379680][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3481.380198][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3481.380198][ T10] netdev_get_by_index+0x5e/0x80 [ 3481.380198][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3481.380198][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3481.380198][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3481.380198][ T10] ipv6_add_addr+0x411/0x2000 [ 3481.380198][ T10] inet6_addr_add+0x30e/0xa40 [ 3481.380198][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3481.380198][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.380198][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.380198][ T10] netlink_unicast+0x449/0x710 [ 3481.380198][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.380198][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.380198][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.380198][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.380198][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.380198][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.380198][ T10] [ 3481.383663][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3481.383663][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3481.383663][ T10] ipv6_find_idev+0x102/0x170 [ 3481.383663][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.383663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.383663][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.383663][ T10] netlink_unicast+0x449/0x710 [ 3481.383663][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.383663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.383663][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.383663][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.383663][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.383663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.383663][ T10] [ 3481.386459][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3481.386459][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3481.386459][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3481.386459][ T10] ipv6_find_idev+0x102/0x170 [ 3481.386459][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3481.386459][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3481.386459][ T10] netlink_rcv_skb+0x130/0x360 [ 3481.386459][ T10] netlink_unicast+0x449/0x710 [ 3481.386459][ T10] netlink_sendmsg+0x723/0xbe0 [ 3481.386459][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3481.386459][ T10] ___sys_sendmsg+0xee/0x170 [ 3481.386459][ T10] __sys_sendmsg+0xcd/0x170 [ 3481.386459][ T10] do_syscall_64+0xc6/0x1e0 [ 3481.386459][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3481.386459][ T10] [ 3491.459002][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3491.459420][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3491.459420][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.459420][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.459420][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.459420][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.459420][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.459420][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.459420][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.459420][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.459420][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.459420][ T10] netlink_unicast+0x449/0x710 [ 3491.459420][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.459420][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.459420][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.459420][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.459420][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.459420][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.459420][ T10] [ 3491.461404][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3491.461404][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.461404][ T10] ipv6_find_idev+0x102/0x170 [ 3491.461404][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.461404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.461404][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.461404][ T10] netlink_unicast+0x449/0x710 [ 3491.461404][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.461404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.461404][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.461404][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.461404][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.461404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.461404][ T10] [ 3491.462925][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3491.462925][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.462925][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.462925][ T10] ipv6_find_idev+0x102/0x170 [ 3491.462925][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.462925][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.462925][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.462925][ T10] netlink_unicast+0x449/0x710 [ 3491.462925][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.462925][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.462925][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.462925][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.462925][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.462925][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.462925][ T10] [ 3491.464592][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3491.464888][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3491.464888][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.464888][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.464888][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.464888][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.464888][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.464888][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.464888][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.464888][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.464888][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.464888][ T10] netlink_unicast+0x449/0x710 [ 3491.464888][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.464888][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.464888][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.464888][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.464888][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.464888][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.464888][ T10] [ 3491.466852][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3491.466852][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.466852][ T10] ipv6_find_idev+0x102/0x170 [ 3491.466852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.466852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.466852][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.466852][ T10] netlink_unicast+0x449/0x710 [ 3491.466852][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.466852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.466852][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.466852][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.466852][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.466852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.466852][ T10] [ 3491.468363][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3491.468363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.468363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.468363][ T10] ipv6_find_idev+0x102/0x170 [ 3491.468363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.468363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.468363][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.468363][ T10] netlink_unicast+0x449/0x710 [ 3491.468363][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.468363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.468363][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.468363][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.468363][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.468363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.468363][ T10] [ 3491.470009][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3491.470278][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3491.470278][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.470278][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.470278][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.470278][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.470278][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.470278][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.470278][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.470278][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.470278][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.470278][ T10] netlink_unicast+0x449/0x710 [ 3491.470278][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.470278][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.470278][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.470278][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.470278][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.470278][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.470278][ T10] [ 3491.472230][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3491.472230][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.472230][ T10] ipv6_find_idev+0x102/0x170 [ 3491.472230][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.472230][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.472230][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.472230][ T10] netlink_unicast+0x449/0x710 [ 3491.472230][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.472230][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.472230][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.472230][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.472230][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.472230][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.472230][ T10] [ 3491.473751][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3491.473751][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.473751][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.473751][ T10] ipv6_find_idev+0x102/0x170 [ 3491.473751][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.473751][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.473751][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.473751][ T10] netlink_unicast+0x449/0x710 [ 3491.473751][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.473751][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.473751][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.473751][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.473751][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.473751][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.473751][ T10] [ 3491.475403][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3491.475661][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3491.475661][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.475661][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.475661][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.475661][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.475661][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.475661][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.475661][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.475661][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.475661][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.475661][ T10] netlink_unicast+0x449/0x710 [ 3491.475661][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.475661][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.475661][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.475661][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.475661][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.475661][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.475661][ T10] [ 3491.477728][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3491.477728][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.477728][ T10] ipv6_find_idev+0x102/0x170 [ 3491.477728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.477728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.477728][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.477728][ T10] netlink_unicast+0x449/0x710 [ 3491.477728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.477728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.477728][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.477728][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.477728][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.477728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.477728][ T10] [ 3491.479233][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3491.479233][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.479233][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.479233][ T10] ipv6_find_idev+0x102/0x170 [ 3491.479233][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.479233][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.479233][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.479233][ T10] netlink_unicast+0x449/0x710 [ 3491.479233][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.479233][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.479233][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.479233][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.479233][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.479233][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.479233][ T10] [ 3491.480910][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3491.481165][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3491.481165][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.481165][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.481165][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.481165][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.481165][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.481165][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.481165][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.481165][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.481165][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.481165][ T10] netlink_unicast+0x449/0x710 [ 3491.481165][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.481165][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.481165][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.481165][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.481165][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.481165][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.481165][ T10] [ 3491.483120][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3491.483120][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.483120][ T10] ipv6_find_idev+0x102/0x170 [ 3491.483120][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.483120][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.483120][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.483120][ T10] netlink_unicast+0x449/0x710 [ 3491.483120][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.483120][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.483120][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.483120][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.483120][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.483120][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.483120][ T10] [ 3491.484694][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3491.484694][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.484694][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.484694][ T10] ipv6_find_idev+0x102/0x170 [ 3491.484694][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.484694][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.484694][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.484694][ T10] netlink_unicast+0x449/0x710 [ 3491.484694][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.484694][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.484694][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.484694][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.484694][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.484694][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.484694][ T10] [ 3491.486577][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3491.486839][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3491.486839][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.486839][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.486839][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.486839][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.486839][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.486839][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.486839][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.486839][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.486839][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.486839][ T10] netlink_unicast+0x449/0x710 [ 3491.486839][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.486839][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.486839][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.486839][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.486839][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.486839][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.486839][ T10] [ 3491.489057][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3491.489057][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.489057][ T10] ipv6_find_idev+0x102/0x170 [ 3491.489057][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.489057][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.489057][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.489057][ T10] netlink_unicast+0x449/0x710 [ 3491.489057][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.489057][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.489057][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.489057][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.489057][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.489057][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.489057][ T10] [ 3491.490755][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3491.490755][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.490755][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.490755][ T10] ipv6_find_idev+0x102/0x170 [ 3491.490755][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.490755][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.490755][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.490755][ T10] netlink_unicast+0x449/0x710 [ 3491.490755][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.490755][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.490755][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.490755][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.490755][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.490755][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.490755][ T10] [ 3491.492703][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3491.493013][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3491.493013][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.493013][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.493013][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.493013][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.493013][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.493013][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.493013][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.493013][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.493013][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.493013][ T10] netlink_unicast+0x449/0x710 [ 3491.493013][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.493013][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.493013][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.493013][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.493013][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.493013][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.493013][ T10] [ 3491.495111][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3491.495111][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.495111][ T10] ipv6_find_idev+0x102/0x170 [ 3491.495111][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.495111][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.495111][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.495111][ T10] netlink_unicast+0x449/0x710 [ 3491.495111][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.495111][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.495111][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.495111][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.495111][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.495111][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.495111][ T10] [ 3491.496817][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3491.496817][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.496817][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.496817][ T10] ipv6_find_idev+0x102/0x170 [ 3491.496817][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.496817][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.496817][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.496817][ T10] netlink_unicast+0x449/0x710 [ 3491.496817][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.496817][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.496817][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.496817][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.496817][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.496817][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.496817][ T10] [ 3491.498690][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3491.499000][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3491.499000][ T10] netdev_get_by_index+0x5e/0x80 [ 3491.499000][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3491.499000][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3491.499000][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3491.499000][ T10] ipv6_add_addr+0x411/0x2000 [ 3491.499000][ T10] inet6_addr_add+0x30e/0xa40 [ 3491.499000][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3491.499000][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.499000][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.499000][ T10] netlink_unicast+0x449/0x710 [ 3491.499000][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.499000][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.499000][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.499000][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.499000][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.499000][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.499000][ T10] [ 3491.501136][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3491.501136][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3491.501136][ T10] ipv6_find_idev+0x102/0x170 [ 3491.501136][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.501136][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.501136][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.501136][ T10] netlink_unicast+0x449/0x710 [ 3491.501136][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.501136][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.501136][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.501136][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.501136][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.501136][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.501136][ T10] [ 3491.502800][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3491.502800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3491.502800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3491.502800][ T10] ipv6_find_idev+0x102/0x170 [ 3491.502800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3491.502800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3491.502800][ T10] netlink_rcv_skb+0x130/0x360 [ 3491.502800][ T10] netlink_unicast+0x449/0x710 [ 3491.502800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3491.502800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3491.502800][ T10] ___sys_sendmsg+0xee/0x170 [ 3491.502800][ T10] __sys_sendmsg+0xcd/0x170 [ 3491.502800][ T10] do_syscall_64+0xc6/0x1e0 [ 3491.502800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3491.502800][ T10] [ 3501.746946][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3501.747355][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3501.747355][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.747355][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.747355][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.747355][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.747355][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.747355][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.747355][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.747355][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.747355][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.747355][ T10] netlink_unicast+0x449/0x710 [ 3501.747355][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.747355][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.747355][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.747355][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.747355][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.747355][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.747355][ T10] [ 3501.749468][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3501.749468][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.749468][ T10] ipv6_find_idev+0x102/0x170 [ 3501.749468][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.749468][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.749468][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.749468][ T10] netlink_unicast+0x449/0x710 [ 3501.749468][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.749468][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.749468][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.749468][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.749468][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.749468][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.749468][ T10] [ 3501.751005][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3501.751005][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.751005][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.751005][ T10] ipv6_find_idev+0x102/0x170 [ 3501.751005][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.751005][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.751005][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.751005][ T10] netlink_unicast+0x449/0x710 [ 3501.751005][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.751005][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.751005][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.751005][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.751005][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.751005][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.751005][ T10] [ 3501.752699][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3501.753020][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3501.753020][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.753020][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.753020][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.753020][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.753020][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.753020][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.753020][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.753020][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.753020][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.753020][ T10] netlink_unicast+0x449/0x710 [ 3501.753020][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.753020][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.753020][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.753020][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.753020][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.753020][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.753020][ T10] [ 3501.755012][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3501.755012][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.755012][ T10] ipv6_find_idev+0x102/0x170 [ 3501.755012][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.755012][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.755012][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.755012][ T10] netlink_unicast+0x449/0x710 [ 3501.755012][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.755012][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.755012][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.755012][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.755012][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.755012][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.755012][ T10] [ 3501.756551][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3501.756551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.756551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.756551][ T10] ipv6_find_idev+0x102/0x170 [ 3501.756551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.756551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.756551][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.756551][ T10] netlink_unicast+0x449/0x710 [ 3501.756551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.756551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.756551][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.756551][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.756551][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.756551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.756551][ T10] [ 3501.758276][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3501.758552][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3501.758552][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.758552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.758552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.758552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.758552][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.758552][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.758552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.758552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.758552][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.758552][ T10] netlink_unicast+0x449/0x710 [ 3501.758552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.758552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.758552][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.758552][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.758552][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.758552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.758552][ T10] [ 3501.760548][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3501.760548][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.760548][ T10] ipv6_find_idev+0x102/0x170 [ 3501.760548][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.760548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.760548][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.760548][ T10] netlink_unicast+0x449/0x710 [ 3501.760548][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.760548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.760548][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.760548][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.760548][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.760548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.760548][ T10] [ 3501.762086][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3501.762086][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.762086][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.762086][ T10] ipv6_find_idev+0x102/0x170 [ 3501.762086][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.762086][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.762086][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.762086][ T10] netlink_unicast+0x449/0x710 [ 3501.762086][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.762086][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.762086][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.762086][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.762086][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.762086][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.762086][ T10] [ 3501.763764][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3501.764499][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3501.764499][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.764499][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.764499][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.764499][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.764499][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.764499][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.764499][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.764499][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.764499][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.764499][ T10] netlink_unicast+0x449/0x710 [ 3501.764499][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.764499][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.764499][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.764499][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.764499][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.764499][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.764499][ T10] [ 3501.766491][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3501.766491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.766491][ T10] ipv6_find_idev+0x102/0x170 [ 3501.766491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.766491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.766491][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.766491][ T10] netlink_unicast+0x449/0x710 [ 3501.766491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.766491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.766491][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.766491][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.766491][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.766491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.766491][ T10] [ 3501.768036][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3501.768036][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.768036][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.768036][ T10] ipv6_find_idev+0x102/0x170 [ 3501.768036][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.768036][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.768036][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.768036][ T10] netlink_unicast+0x449/0x710 [ 3501.768036][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.768036][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.768036][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.768036][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.768036][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.768036][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.768036][ T10] [ 3501.769781][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3501.770106][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3501.770106][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.770106][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.770106][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.770106][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.770106][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.770106][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.770106][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.770106][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.770106][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.770106][ T10] netlink_unicast+0x449/0x710 [ 3501.770106][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.770106][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.770106][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.770106][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.770106][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.770106][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.770106][ T10] [ 3501.772105][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3501.772105][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.772105][ T10] ipv6_find_idev+0x102/0x170 [ 3501.772105][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.772105][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.772105][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.772105][ T10] netlink_unicast+0x449/0x710 [ 3501.772105][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.772105][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.772105][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.772105][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.772105][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.772105][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.772105][ T10] [ 3501.773647][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3501.773647][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.773647][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.773647][ T10] ipv6_find_idev+0x102/0x170 [ 3501.773647][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.773647][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.773647][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.773647][ T10] netlink_unicast+0x449/0x710 [ 3501.773647][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.773647][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.773647][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.773647][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.773647][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.773647][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.773647][ T10] [ 3501.775371][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3501.775678][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3501.775678][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.775678][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.775678][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.775678][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.775678][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.775678][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.775678][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.775678][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.775678][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.775678][ T10] netlink_unicast+0x449/0x710 [ 3501.775678][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.775678][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.775678][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.775678][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.775678][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.775678][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.775678][ T10] [ 3501.777696][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3501.777696][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.777696][ T10] ipv6_find_idev+0x102/0x170 [ 3501.777696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.777696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.777696][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.777696][ T10] netlink_unicast+0x449/0x710 [ 3501.777696][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.777696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.777696][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.777696][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.777696][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.777696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.777696][ T10] [ 3501.779418][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3501.779418][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.779418][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.779418][ T10] ipv6_find_idev+0x102/0x170 [ 3501.779418][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.779418][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.779418][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.779418][ T10] netlink_unicast+0x449/0x710 [ 3501.779418][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.779418][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.779418][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.779418][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.779418][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.779418][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.779418][ T10] [ 3501.781378][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3501.781684][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3501.781684][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.781684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.781684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.781684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.781684][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.781684][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.781684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.781684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.781684][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.781684][ T10] netlink_unicast+0x449/0x710 [ 3501.781684][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.781684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.781684][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.781684][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.781684][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.781684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.781684][ T10] [ 3501.783869][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3501.783869][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.783869][ T10] ipv6_find_idev+0x102/0x170 [ 3501.783869][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.783869][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.783869][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.783869][ T10] netlink_unicast+0x449/0x710 [ 3501.783869][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.783869][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.783869][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.783869][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.783869][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.783869][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.783869][ T10] [ 3501.785646][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3501.785646][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.785646][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.785646][ T10] ipv6_find_idev+0x102/0x170 [ 3501.785646][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.785646][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.785646][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.785646][ T10] netlink_unicast+0x449/0x710 [ 3501.785646][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.785646][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.785646][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.785646][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.785646][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.785646][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.785646][ T10] [ 3501.787573][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3501.787900][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3501.787900][ T10] netdev_get_by_index+0x5e/0x80 [ 3501.787900][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3501.787900][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3501.787900][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3501.787900][ T10] ipv6_add_addr+0x411/0x2000 [ 3501.787900][ T10] inet6_addr_add+0x30e/0xa40 [ 3501.787900][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3501.787900][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.787900][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.787900][ T10] netlink_unicast+0x449/0x710 [ 3501.787900][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.787900][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.787900][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.787900][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.787900][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.787900][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.787900][ T10] [ 3501.790085][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3501.790085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3501.790085][ T10] ipv6_find_idev+0x102/0x170 [ 3501.790085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.790085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.790085][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.790085][ T10] netlink_unicast+0x449/0x710 [ 3501.790085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.790085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.790085][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.790085][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.790085][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.790085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.790085][ T10] [ 3501.791800][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3501.791800][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3501.791800][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3501.791800][ T10] ipv6_find_idev+0x102/0x170 [ 3501.791800][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3501.791800][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3501.791800][ T10] netlink_rcv_skb+0x130/0x360 [ 3501.791800][ T10] netlink_unicast+0x449/0x710 [ 3501.791800][ T10] netlink_sendmsg+0x723/0xbe0 [ 3501.791800][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3501.791800][ T10] ___sys_sendmsg+0xee/0x170 [ 3501.791800][ T10] __sys_sendmsg+0xcd/0x170 [ 3501.791800][ T10] do_syscall_64+0xc6/0x1e0 [ 3501.791800][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3501.791800][ T10] [ 3512.034987][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3512.035449][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3512.035449][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.035449][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.035449][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.035449][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.035449][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.035449][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.035449][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.035449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.035449][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.035449][ T10] netlink_unicast+0x449/0x710 [ 3512.035449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.035449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.035449][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.035449][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.035449][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.035449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.035449][ T10] [ 3512.037527][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3512.037527][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.037527][ T10] ipv6_find_idev+0x102/0x170 [ 3512.037527][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.037527][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.037527][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.037527][ T10] netlink_unicast+0x449/0x710 [ 3512.037527][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.037527][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.037527][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.037527][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.037527][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.037527][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.037527][ T10] [ 3512.039077][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3512.039077][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.039077][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.039077][ T10] ipv6_find_idev+0x102/0x170 [ 3512.039077][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.039077][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.039077][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.039077][ T10] netlink_unicast+0x449/0x710 [ 3512.039077][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.039077][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.039077][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.039077][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.039077][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.039077][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.039077][ T10] [ 3512.040793][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3512.041087][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3512.041087][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.041087][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.041087][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.041087][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.041087][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.041087][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.041087][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.041087][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.041087][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.041087][ T10] netlink_unicast+0x449/0x710 [ 3512.041087][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.041087][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.041087][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.041087][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.041087][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.041087][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.041087][ T10] [ 3512.043098][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3512.043098][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.043098][ T10] ipv6_find_idev+0x102/0x170 [ 3512.043098][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.043098][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.043098][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.043098][ T10] netlink_unicast+0x449/0x710 [ 3512.043098][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.043098][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.043098][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.043098][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.043098][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.043098][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.043098][ T10] [ 3512.044653][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3512.044653][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.044653][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.044653][ T10] ipv6_find_idev+0x102/0x170 [ 3512.044653][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.044653][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.044653][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.044653][ T10] netlink_unicast+0x449/0x710 [ 3512.044653][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.044653][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.044653][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.044653][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.044653][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.044653][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.044653][ T10] [ 3512.046362][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3512.046648][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3512.046648][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.046648][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.046648][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.046648][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.046648][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.046648][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.046648][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.046648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.046648][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.046648][ T10] netlink_unicast+0x449/0x710 [ 3512.046648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.046648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.046648][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.046648][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.046648][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.046648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.046648][ T10] [ 3512.048655][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3512.048655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.048655][ T10] ipv6_find_idev+0x102/0x170 [ 3512.048655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.048655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.048655][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.048655][ T10] netlink_unicast+0x449/0x710 [ 3512.048655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.048655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.048655][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.048655][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.048655][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.048655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.048655][ T10] [ 3512.050191][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3512.050191][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.050191][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.050191][ T10] ipv6_find_idev+0x102/0x170 [ 3512.050191][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.050191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.050191][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.050191][ T10] netlink_unicast+0x449/0x710 [ 3512.050191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.050191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.050191][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.050191][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.050191][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.050191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.050191][ T10] [ 3512.051876][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3512.052154][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3512.052154][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.052154][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.052154][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.052154][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.052154][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.052154][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.052154][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.052154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.052154][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.052154][ T10] netlink_unicast+0x449/0x710 [ 3512.052154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.052154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.052154][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.052154][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.052154][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.052154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.052154][ T10] [ 3512.054151][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3512.054151][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.054151][ T10] ipv6_find_idev+0x102/0x170 [ 3512.054151][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.054151][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.054151][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.054151][ T10] netlink_unicast+0x449/0x710 [ 3512.054151][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.054151][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.054151][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.054151][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.054151][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.054151][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.054151][ T10] [ 3512.055696][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3512.055696][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.055696][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.055696][ T10] ipv6_find_idev+0x102/0x170 [ 3512.055696][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.055696][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.055696][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.055696][ T10] netlink_unicast+0x449/0x710 [ 3512.055696][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.055696][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.055696][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.055696][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.055696][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.055696][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.055696][ T10] [ 3512.057806][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3512.058415][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3512.058415][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.058415][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.058415][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.058415][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.058415][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.058415][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.058415][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.058415][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.058415][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.058415][ T10] netlink_unicast+0x449/0x710 [ 3512.058415][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.058415][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.058415][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.058415][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.058415][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.058415][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.058415][ T10] [ 3512.060426][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3512.060426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.060426][ T10] ipv6_find_idev+0x102/0x170 [ 3512.060426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.060426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.060426][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.060426][ T10] netlink_unicast+0x449/0x710 [ 3512.060426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.060426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.060426][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.060426][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.060426][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.060426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.060426][ T10] [ 3512.061965][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3512.061965][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.061965][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.061965][ T10] ipv6_find_idev+0x102/0x170 [ 3512.061965][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.061965][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.061965][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.061965][ T10] netlink_unicast+0x449/0x710 [ 3512.061965][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.061965][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.061965][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.061965][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.061965][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.061965][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.061965][ T10] [ 3512.063656][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3512.063984][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3512.063984][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.063984][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.063984][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.063984][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.063984][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.063984][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.063984][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.063984][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.063984][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.063984][ T10] netlink_unicast+0x449/0x710 [ 3512.063984][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.063984][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.063984][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.063984][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.063984][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.063984][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.063984][ T10] [ 3512.066007][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3512.066007][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.066007][ T10] ipv6_find_idev+0x102/0x170 [ 3512.066007][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.066007][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.066007][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.066007][ T10] netlink_unicast+0x449/0x710 [ 3512.066007][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.066007][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.066007][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.066007][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.066007][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.066007][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.066007][ T10] [ 3512.067560][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3512.067560][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.067560][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.067560][ T10] ipv6_find_idev+0x102/0x170 [ 3512.067560][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.067560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.067560][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.067560][ T10] netlink_unicast+0x449/0x710 [ 3512.067560][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.067560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.067560][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.067560][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.067560][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.067560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.067560][ T10] [ 3512.069604][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3512.069920][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3512.069920][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.069920][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.069920][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.069920][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.069920][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.069920][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.069920][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.069920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.069920][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.069920][ T10] netlink_unicast+0x449/0x710 [ 3512.069920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.069920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.069920][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.069920][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.069920][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.069920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.069920][ T10] [ 3512.072104][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3512.072104][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.072104][ T10] ipv6_find_idev+0x102/0x170 [ 3512.072104][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.072104][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.072104][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.072104][ T10] netlink_unicast+0x449/0x710 [ 3512.072104][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.072104][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.072104][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.072104][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.072104][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.072104][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.072104][ T10] [ 3512.073852][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3512.073852][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.073852][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.073852][ T10] ipv6_find_idev+0x102/0x170 [ 3512.073852][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.073852][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.073852][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.073852][ T10] netlink_unicast+0x449/0x710 [ 3512.073852][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.073852][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.073852][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.073852][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.073852][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.073852][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.073852][ T10] [ 3512.075768][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3512.076089][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3512.076089][ T10] netdev_get_by_index+0x5e/0x80 [ 3512.076089][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3512.076089][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3512.076089][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3512.076089][ T10] ipv6_add_addr+0x411/0x2000 [ 3512.076089][ T10] inet6_addr_add+0x30e/0xa40 [ 3512.076089][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3512.076089][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.076089][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.076089][ T10] netlink_unicast+0x449/0x710 [ 3512.076089][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.076089][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.076089][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.076089][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.076089][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.076089][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.076089][ T10] [ 3512.078271][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3512.078271][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3512.078271][ T10] ipv6_find_idev+0x102/0x170 [ 3512.078271][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.078271][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.078271][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.078271][ T10] netlink_unicast+0x449/0x710 [ 3512.078271][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.078271][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.078271][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.078271][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.078271][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.078271][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.078271][ T10] [ 3512.079979][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3512.079979][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3512.079979][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3512.079979][ T10] ipv6_find_idev+0x102/0x170 [ 3512.079979][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3512.079979][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3512.079979][ T10] netlink_rcv_skb+0x130/0x360 [ 3512.079979][ T10] netlink_unicast+0x449/0x710 [ 3512.079979][ T10] netlink_sendmsg+0x723/0xbe0 [ 3512.079979][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3512.079979][ T10] ___sys_sendmsg+0xee/0x170 [ 3512.079979][ T10] __sys_sendmsg+0xcd/0x170 [ 3512.079979][ T10] do_syscall_64+0xc6/0x1e0 [ 3512.079979][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3512.079979][ T10] [ 3522.322964][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3522.323447][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3522.323447][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.323447][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.323447][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.323447][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.323447][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.323447][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.323447][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.323447][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.323447][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.323447][ T10] netlink_unicast+0x449/0x710 [ 3522.323447][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.323447][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.323447][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.323447][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.323447][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.323447][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.323447][ T10] [ 3522.325546][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3522.325546][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.325546][ T10] ipv6_find_idev+0x102/0x170 [ 3522.325546][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.325546][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.325546][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.325546][ T10] netlink_unicast+0x449/0x710 [ 3522.325546][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.325546][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.325546][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.325546][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.325546][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.325546][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.325546][ T10] [ 3522.327108][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3522.327108][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.327108][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.327108][ T10] ipv6_find_idev+0x102/0x170 [ 3522.327108][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.327108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.327108][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.327108][ T10] netlink_unicast+0x449/0x710 [ 3522.327108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.327108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.327108][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.327108][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.327108][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.327108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.327108][ T10] [ 3522.328805][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3522.329091][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3522.329091][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.329091][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.329091][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.329091][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.329091][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.329091][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.329091][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.329091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.329091][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.329091][ T10] netlink_unicast+0x449/0x710 [ 3522.329091][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.329091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.329091][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.329091][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.329091][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.329091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.329091][ T10] [ 3522.331078][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3522.331078][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.331078][ T10] ipv6_find_idev+0x102/0x170 [ 3522.331078][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.331078][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.331078][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.331078][ T10] netlink_unicast+0x449/0x710 [ 3522.331078][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.331078][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.331078][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.331078][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.331078][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.331078][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.331078][ T10] [ 3522.332616][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3522.332616][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.332616][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.332616][ T10] ipv6_find_idev+0x102/0x170 [ 3522.332616][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.332616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.332616][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.332616][ T10] netlink_unicast+0x449/0x710 [ 3522.332616][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.332616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.332616][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.332616][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.332616][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.332616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.332616][ T10] [ 3522.334301][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3522.334567][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3522.334567][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.334567][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.334567][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.334567][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.334567][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.334567][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.334567][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.334567][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.334567][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.334567][ T10] netlink_unicast+0x449/0x710 [ 3522.334567][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.334567][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.334567][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.334567][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.334567][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.334567][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.334567][ T10] [ 3522.336557][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3522.336557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.336557][ T10] ipv6_find_idev+0x102/0x170 [ 3522.336557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.336557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.336557][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.336557][ T10] netlink_unicast+0x449/0x710 [ 3522.336557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.336557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.336557][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.336557][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.336557][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.336557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.336557][ T10] [ 3522.338091][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3522.338091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.338091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.338091][ T10] ipv6_find_idev+0x102/0x170 [ 3522.338091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.338091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.338091][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.338091][ T10] netlink_unicast+0x449/0x710 [ 3522.338091][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.338091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.338091][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.338091][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.338091][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.338091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.338091][ T10] [ 3522.340212][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3522.340797][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3522.340797][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.340797][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.340797][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.340797][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.340797][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.340797][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.340797][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.340797][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.340797][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.340797][ T10] netlink_unicast+0x449/0x710 [ 3522.340797][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.340797][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.340797][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.340797][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.340797][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.340797][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.340797][ T10] [ 3522.342781][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3522.342781][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.342781][ T10] ipv6_find_idev+0x102/0x170 [ 3522.342781][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.342781][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.342781][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.342781][ T10] netlink_unicast+0x449/0x710 [ 3522.342781][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.342781][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.342781][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.342781][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.342781][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.342781][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.342781][ T10] [ 3522.344306][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3522.344306][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.344306][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.344306][ T10] ipv6_find_idev+0x102/0x170 [ 3522.344306][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.344306][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.344306][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.344306][ T10] netlink_unicast+0x449/0x710 [ 3522.344306][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.344306][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.344306][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.344306][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.344306][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.344306][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.344306][ T10] [ 3522.345982][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3522.346247][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3522.346247][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.346247][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.346247][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.346247][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.346247][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.346247][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.346247][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.346247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.346247][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.346247][ T10] netlink_unicast+0x449/0x710 [ 3522.346247][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.346247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.346247][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.346247][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.346247][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.346247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.346247][ T10] [ 3522.348247][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3522.348247][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.348247][ T10] ipv6_find_idev+0x102/0x170 [ 3522.348247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.348247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.348247][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.348247][ T10] netlink_unicast+0x449/0x710 [ 3522.348247][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.348247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.348247][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.348247][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.348247][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.348247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.348247][ T10] [ 3522.349782][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3522.349782][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.349782][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.349782][ T10] ipv6_find_idev+0x102/0x170 [ 3522.349782][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.349782][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.349782][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.349782][ T10] netlink_unicast+0x449/0x710 [ 3522.349782][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.349782][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.349782][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.349782][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.349782][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.349782][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.349782][ T10] [ 3522.351509][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3522.351820][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3522.351820][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.351820][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.351820][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.351820][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.351820][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.351820][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.351820][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.351820][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.351820][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.351820][ T10] netlink_unicast+0x449/0x710 [ 3522.351820][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.351820][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.351820][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.351820][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.351820][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.351820][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.351820][ T10] [ 3522.353804][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3522.353804][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.353804][ T10] ipv6_find_idev+0x102/0x170 [ 3522.353804][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.353804][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.353804][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.353804][ T10] netlink_unicast+0x449/0x710 [ 3522.353804][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.353804][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.353804][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.353804][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.353804][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.353804][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.353804][ T10] [ 3522.355338][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3522.355338][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.355338][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.355338][ T10] ipv6_find_idev+0x102/0x170 [ 3522.355338][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.355338][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.355338][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.355338][ T10] netlink_unicast+0x449/0x710 [ 3522.355338][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.355338][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.355338][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.355338][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.355338][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.355338][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.355338][ T10] [ 3522.357257][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3522.357564][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3522.357564][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.357564][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.357564][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.357564][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.357564][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.357564][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.357564][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.357564][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.357564][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.357564][ T10] netlink_unicast+0x449/0x710 [ 3522.357564][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.357564][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.357564][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.357564][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.357564][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.357564][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.357564][ T10] [ 3522.360297][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3522.360297][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.360297][ T10] ipv6_find_idev+0x102/0x170 [ 3522.360297][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.360297][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.360297][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.360297][ T10] netlink_unicast+0x449/0x710 [ 3522.360297][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.360297][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.360297][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.360297][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.360297][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.360297][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.360297][ T10] [ 3522.362015][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3522.362015][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.362015][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.362015][ T10] ipv6_find_idev+0x102/0x170 [ 3522.362015][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.362015][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.362015][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.362015][ T10] netlink_unicast+0x449/0x710 [ 3522.362015][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.362015][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.362015][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.362015][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.362015][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.362015][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.362015][ T10] [ 3522.363924][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3522.364246][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3522.364246][ T10] netdev_get_by_index+0x5e/0x80 [ 3522.364246][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3522.364246][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3522.364246][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3522.364246][ T10] ipv6_add_addr+0x411/0x2000 [ 3522.364246][ T10] inet6_addr_add+0x30e/0xa40 [ 3522.364246][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3522.364246][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.364246][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.364246][ T10] netlink_unicast+0x449/0x710 [ 3522.364246][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.364246][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.364246][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.364246][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.364246][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.364246][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.364246][ T10] [ 3522.366433][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3522.366433][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3522.366433][ T10] ipv6_find_idev+0x102/0x170 [ 3522.366433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.366433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.366433][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.366433][ T10] netlink_unicast+0x449/0x710 [ 3522.366433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.366433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.366433][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.366433][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.366433][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.366433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.366433][ T10] [ 3522.368148][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3522.368148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3522.368148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3522.368148][ T10] ipv6_find_idev+0x102/0x170 [ 3522.368148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3522.368148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3522.368148][ T10] netlink_rcv_skb+0x130/0x360 [ 3522.368148][ T10] netlink_unicast+0x449/0x710 [ 3522.368148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3522.368148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3522.368148][ T10] ___sys_sendmsg+0xee/0x170 [ 3522.368148][ T10] __sys_sendmsg+0xcd/0x170 [ 3522.368148][ T10] do_syscall_64+0xc6/0x1e0 [ 3522.368148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3522.368148][ T10] [ 3532.610934][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3532.611404][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3532.611404][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.611404][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.611404][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.611404][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.611404][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.611404][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.611404][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.611404][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.611404][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.611404][ T10] netlink_unicast+0x449/0x710 [ 3532.611404][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.611404][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.611404][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.611404][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.611404][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.611404][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.611404][ T10] [ 3532.613444][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3532.613444][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.613444][ T10] ipv6_find_idev+0x102/0x170 [ 3532.613444][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.613444][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.613444][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.613444][ T10] netlink_unicast+0x449/0x710 [ 3532.613444][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.613444][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.613444][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.613444][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.613444][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.613444][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.613444][ T10] [ 3532.614994][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3532.614994][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.614994][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.614994][ T10] ipv6_find_idev+0x102/0x170 [ 3532.614994][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.614994][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.614994][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.614994][ T10] netlink_unicast+0x449/0x710 [ 3532.614994][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.614994][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.614994][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.614994][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.614994][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.614994][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.614994][ T10] [ 3532.616713][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3532.617008][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3532.617008][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.617008][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.617008][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.617008][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.617008][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.617008][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.617008][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.617008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.617008][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.617008][ T10] netlink_unicast+0x449/0x710 [ 3532.617008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.617008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.617008][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.617008][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.617008][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.617008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.617008][ T10] [ 3532.621188][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3532.621188][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.621188][ T10] ipv6_find_idev+0x102/0x170 [ 3532.621188][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.621188][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.621188][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.621188][ T10] netlink_unicast+0x449/0x710 [ 3532.621188][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.621188][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.621188][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.621188][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.621188][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.621188][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.621188][ T10] [ 3532.622744][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3532.622744][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.622744][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.622744][ T10] ipv6_find_idev+0x102/0x170 [ 3532.622744][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.622744][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.622744][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.622744][ T10] netlink_unicast+0x449/0x710 [ 3532.622744][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.622744][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.622744][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.622744][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.622744][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.622744][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.622744][ T10] [ 3532.624448][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3532.624731][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3532.624731][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.624731][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.624731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.624731][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.624731][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.624731][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.624731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.624731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.624731][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.624731][ T10] netlink_unicast+0x449/0x710 [ 3532.624731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.624731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.624731][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.624731][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.624731][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.624731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.624731][ T10] [ 3532.626736][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3532.626736][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.626736][ T10] ipv6_find_idev+0x102/0x170 [ 3532.626736][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.626736][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.626736][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.626736][ T10] netlink_unicast+0x449/0x710 [ 3532.626736][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.626736][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.626736][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.626736][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.626736][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.626736][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.626736][ T10] [ 3532.628289][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3532.628289][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.628289][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.628289][ T10] ipv6_find_idev+0x102/0x170 [ 3532.628289][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.628289][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.628289][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.628289][ T10] netlink_unicast+0x449/0x710 [ 3532.628289][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.628289][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.628289][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.628289][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.628289][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.628289][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.628289][ T10] [ 3532.631562][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3532.631847][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3532.631847][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.631847][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.631847][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.631847][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.631847][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.631847][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.631847][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.631847][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.631847][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.631847][ T10] netlink_unicast+0x449/0x710 [ 3532.631847][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.631847][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.631847][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.631847][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.631847][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.631847][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.631847][ T10] [ 3532.633841][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3532.633841][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.633841][ T10] ipv6_find_idev+0x102/0x170 [ 3532.633841][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.633841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.633841][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.633841][ T10] netlink_unicast+0x449/0x710 [ 3532.633841][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.633841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.633841][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.633841][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.633841][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.633841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.633841][ T10] [ 3532.635390][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3532.635390][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.635390][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.635390][ T10] ipv6_find_idev+0x102/0x170 [ 3532.635390][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.635390][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.635390][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.635390][ T10] netlink_unicast+0x449/0x710 [ 3532.635390][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.635390][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.635390][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.635390][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.635390][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.635390][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.635390][ T10] [ 3532.637486][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3532.638108][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3532.638108][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.638108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.638108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.638108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.638108][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.638108][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.638108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.638108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.638108][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.638108][ T10] netlink_unicast+0x449/0x710 [ 3532.638108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.638108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.638108][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.638108][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.638108][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.638108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.638108][ T10] [ 3532.640205][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3532.640205][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.640205][ T10] ipv6_find_idev+0x102/0x170 [ 3532.640205][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.640205][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.640205][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.640205][ T10] netlink_unicast+0x449/0x710 [ 3532.640205][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.640205][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.640205][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.640205][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.640205][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.640205][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.640205][ T10] [ 3532.641754][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3532.641754][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.641754][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.641754][ T10] ipv6_find_idev+0x102/0x170 [ 3532.641754][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.641754][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.641754][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.641754][ T10] netlink_unicast+0x449/0x710 [ 3532.641754][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.641754][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.641754][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.641754][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.641754][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.641754][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.641754][ T10] [ 3532.643463][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3532.643731][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3532.643731][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.643731][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.643731][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.643731][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.643731][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.643731][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.643731][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.643731][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.643731][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.643731][ T10] netlink_unicast+0x449/0x710 [ 3532.643731][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.643731][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.643731][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.643731][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.643731][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.643731][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.643731][ T10] [ 3532.645764][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3532.645764][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.645764][ T10] ipv6_find_idev+0x102/0x170 [ 3532.645764][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.645764][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.645764][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.645764][ T10] netlink_unicast+0x449/0x710 [ 3532.645764][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.645764][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.645764][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.645764][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.645764][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.645764][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.645764][ T10] [ 3532.647411][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3532.647411][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.647411][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.647411][ T10] ipv6_find_idev+0x102/0x170 [ 3532.647411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.647411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.647411][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.647411][ T10] netlink_unicast+0x449/0x710 [ 3532.647411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.647411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.647411][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.647411][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.647411][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.647411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.647411][ T10] [ 3532.649273][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3532.649586][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3532.649586][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.649586][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.649586][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.649586][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.649586][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.649586][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.649586][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.649586][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.649586][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.649586][ T10] netlink_unicast+0x449/0x710 [ 3532.649586][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.649586][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.649586][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.649586][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.649586][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.649586][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.649586][ T10] [ 3532.651655][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3532.651655][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.651655][ T10] ipv6_find_idev+0x102/0x170 [ 3532.651655][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.651655][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.651655][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.651655][ T10] netlink_unicast+0x449/0x710 [ 3532.651655][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.651655][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.651655][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.651655][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.651655][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.651655][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.651655][ T10] [ 3532.653318][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3532.653318][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.653318][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.653318][ T10] ipv6_find_idev+0x102/0x170 [ 3532.653318][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.653318][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.653318][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.653318][ T10] netlink_unicast+0x449/0x710 [ 3532.653318][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.653318][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.653318][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.653318][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.653318][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.653318][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.653318][ T10] [ 3532.655166][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3532.655483][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3532.655483][ T10] netdev_get_by_index+0x5e/0x80 [ 3532.655483][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3532.655483][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3532.655483][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3532.655483][ T10] ipv6_add_addr+0x411/0x2000 [ 3532.655483][ T10] inet6_addr_add+0x30e/0xa40 [ 3532.655483][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3532.655483][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.655483][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.655483][ T10] netlink_unicast+0x449/0x710 [ 3532.655483][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.655483][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.655483][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.655483][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.655483][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.655483][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.655483][ T10] [ 3532.657557][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3532.657557][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3532.657557][ T10] ipv6_find_idev+0x102/0x170 [ 3532.657557][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.657557][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.657557][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.657557][ T10] netlink_unicast+0x449/0x710 [ 3532.657557][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.657557][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.657557][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.657557][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.657557][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.657557][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.657557][ T10] [ 3532.659236][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3532.659236][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3532.659236][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3532.659236][ T10] ipv6_find_idev+0x102/0x170 [ 3532.659236][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3532.659236][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3532.659236][ T10] netlink_rcv_skb+0x130/0x360 [ 3532.659236][ T10] netlink_unicast+0x449/0x710 [ 3532.659236][ T10] netlink_sendmsg+0x723/0xbe0 [ 3532.659236][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3532.659236][ T10] ___sys_sendmsg+0xee/0x170 [ 3532.659236][ T10] __sys_sendmsg+0xcd/0x170 [ 3532.659236][ T10] do_syscall_64+0xc6/0x1e0 [ 3532.659236][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3532.659236][ T10] [ 3542.898914][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3542.899358][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3542.899358][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.899358][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.899358][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.899358][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.899358][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.899358][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.899358][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.899358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.899358][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.899358][ T10] netlink_unicast+0x449/0x710 [ 3542.899358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.899358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.899358][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.899358][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.899358][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.899358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.899358][ T10] [ 3542.901411][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3542.901411][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.901411][ T10] ipv6_find_idev+0x102/0x170 [ 3542.901411][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.901411][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.901411][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.901411][ T10] netlink_unicast+0x449/0x710 [ 3542.901411][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.901411][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.901411][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.901411][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.901411][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.901411][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.901411][ T10] [ 3542.902959][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3542.902959][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.902959][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.902959][ T10] ipv6_find_idev+0x102/0x170 [ 3542.902959][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.902959][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.902959][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.902959][ T10] netlink_unicast+0x449/0x710 [ 3542.902959][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.902959][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.902959][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.902959][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.902959][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.902959][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.902959][ T10] [ 3542.904646][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3542.904932][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3542.904932][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.904932][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.904932][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.904932][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.904932][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.904932][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.904932][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.904932][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.904932][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.904932][ T10] netlink_unicast+0x449/0x710 [ 3542.904932][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.904932][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.904932][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.904932][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.904932][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.904932][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.904932][ T10] [ 3542.906974][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3542.906974][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.906974][ T10] ipv6_find_idev+0x102/0x170 [ 3542.906974][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.906974][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.906974][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.906974][ T10] netlink_unicast+0x449/0x710 [ 3542.906974][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.906974][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.906974][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.906974][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.906974][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.906974][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.906974][ T10] [ 3542.908551][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3542.908551][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.908551][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.908551][ T10] ipv6_find_idev+0x102/0x170 [ 3542.908551][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.908551][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.908551][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.908551][ T10] netlink_unicast+0x449/0x710 [ 3542.908551][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.908551][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.908551][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.908551][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.908551][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.908551][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.908551][ T10] [ 3542.910227][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3542.910498][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3542.910498][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.910498][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.910498][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.910498][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.910498][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.910498][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.910498][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.910498][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.910498][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.910498][ T10] netlink_unicast+0x449/0x710 [ 3542.910498][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.910498][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.910498][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.910498][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.910498][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.910498][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.910498][ T10] [ 3542.912473][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3542.912473][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.912473][ T10] ipv6_find_idev+0x102/0x170 [ 3542.912473][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.912473][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.912473][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.912473][ T10] netlink_unicast+0x449/0x710 [ 3542.912473][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.912473][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.912473][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.912473][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.912473][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.912473][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.912473][ T10] [ 3542.913997][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3542.913997][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.913997][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.913997][ T10] ipv6_find_idev+0x102/0x170 [ 3542.913997][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.913997][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.913997][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.913997][ T10] netlink_unicast+0x449/0x710 [ 3542.913997][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.913997][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.913997][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.913997][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.913997][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.913997][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.913997][ T10] [ 3542.915670][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3542.916379][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3542.916379][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.916379][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.916379][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.916379][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.916379][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.916379][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.916379][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.916379][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.916379][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.916379][ T10] netlink_unicast+0x449/0x710 [ 3542.916379][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.916379][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.916379][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.916379][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.916379][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.916379][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.916379][ T10] [ 3542.918348][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3542.918348][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.918348][ T10] ipv6_find_idev+0x102/0x170 [ 3542.918348][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.918348][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.918348][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.918348][ T10] netlink_unicast+0x449/0x710 [ 3542.918348][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.918348][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.918348][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.918348][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.918348][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.918348][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.918348][ T10] [ 3542.919867][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3542.919867][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.919867][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.919867][ T10] ipv6_find_idev+0x102/0x170 [ 3542.919867][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.919867][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.919867][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.919867][ T10] netlink_unicast+0x449/0x710 [ 3542.919867][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.919867][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.919867][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.919867][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.919867][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.919867][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.919867][ T10] [ 3542.921574][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3542.921841][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3542.921841][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.921841][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.921841][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.921841][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.921841][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.921841][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.921841][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.921841][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.921841][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.921841][ T10] netlink_unicast+0x449/0x710 [ 3542.921841][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.921841][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.921841][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.921841][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.921841][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.921841][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.921841][ T10] [ 3542.923807][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3542.923807][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.923807][ T10] ipv6_find_idev+0x102/0x170 [ 3542.923807][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.923807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.923807][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.923807][ T10] netlink_unicast+0x449/0x710 [ 3542.923807][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.923807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.923807][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.923807][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.923807][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.923807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.923807][ T10] [ 3542.925331][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3542.925331][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.925331][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.925331][ T10] ipv6_find_idev+0x102/0x170 [ 3542.925331][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.925331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.925331][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.925331][ T10] netlink_unicast+0x449/0x710 [ 3542.925331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.925331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.925331][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.925331][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.925331][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.925331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.925331][ T10] [ 3542.927055][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3542.927313][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3542.927313][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.927313][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.927313][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.927313][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.927313][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.927313][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.927313][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.927313][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.927313][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.927313][ T10] netlink_unicast+0x449/0x710 [ 3542.927313][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.927313][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.927313][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.927313][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.927313][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.927313][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.927313][ T10] [ 3542.929364][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3542.929364][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.929364][ T10] ipv6_find_idev+0x102/0x170 [ 3542.929364][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.929364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.929364][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.929364][ T10] netlink_unicast+0x449/0x710 [ 3542.929364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.929364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.929364][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.929364][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.929364][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.929364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.929364][ T10] [ 3542.930951][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3542.930951][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.930951][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.930951][ T10] ipv6_find_idev+0x102/0x170 [ 3542.930951][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.930951][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.930951][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.930951][ T10] netlink_unicast+0x449/0x710 [ 3542.930951][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.930951][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.930951][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.930951][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.930951][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.930951][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.930951][ T10] [ 3542.932720][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3542.933034][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3542.933034][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.933034][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.933034][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.933034][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.933034][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.933034][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.933034][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.933034][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.933034][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.933034][ T10] netlink_unicast+0x449/0x710 [ 3542.933034][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.933034][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.933034][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.933034][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.933034][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.933034][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.933034][ T10] [ 3542.935139][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3542.935139][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.935139][ T10] ipv6_find_idev+0x102/0x170 [ 3542.935139][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.935139][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.935139][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.935139][ T10] netlink_unicast+0x449/0x710 [ 3542.935139][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.935139][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.935139][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.935139][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.935139][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.935139][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.935139][ T10] [ 3542.936729][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3542.936729][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.936729][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.936729][ T10] ipv6_find_idev+0x102/0x170 [ 3542.936729][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.936729][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.936729][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.936729][ T10] netlink_unicast+0x449/0x710 [ 3542.936729][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.936729][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.936729][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.936729][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.936729][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.936729][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.936729][ T10] [ 3542.938550][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3542.938807][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3542.938807][ T10] netdev_get_by_index+0x5e/0x80 [ 3542.938807][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3542.938807][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3542.938807][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3542.938807][ T10] ipv6_add_addr+0x411/0x2000 [ 3542.938807][ T10] inet6_addr_add+0x30e/0xa40 [ 3542.938807][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3542.938807][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.938807][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.938807][ T10] netlink_unicast+0x449/0x710 [ 3542.938807][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.938807][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.938807][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.938807][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.938807][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.938807][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.938807][ T10] [ 3542.940921][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3542.940921][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3542.940921][ T10] ipv6_find_idev+0x102/0x170 [ 3542.940921][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.940921][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.940921][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.940921][ T10] netlink_unicast+0x449/0x710 [ 3542.940921][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.940921][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.940921][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.940921][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.940921][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.940921][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.940921][ T10] [ 3542.942531][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3542.942531][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3542.942531][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3542.942531][ T10] ipv6_find_idev+0x102/0x170 [ 3542.942531][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3542.942531][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3542.942531][ T10] netlink_rcv_skb+0x130/0x360 [ 3542.942531][ T10] netlink_unicast+0x449/0x710 [ 3542.942531][ T10] netlink_sendmsg+0x723/0xbe0 [ 3542.942531][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3542.942531][ T10] ___sys_sendmsg+0xee/0x170 [ 3542.942531][ T10] __sys_sendmsg+0xcd/0x170 [ 3542.942531][ T10] do_syscall_64+0xc6/0x1e0 [ 3542.942531][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3542.942531][ T10] [ 3553.186917][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3553.187368][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3553.187368][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.187368][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.187368][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.187368][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.187368][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.187368][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.187368][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.187368][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.187368][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.187368][ T10] netlink_unicast+0x449/0x710 [ 3553.187368][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.187368][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.187368][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.187368][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.187368][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.187368][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.187368][ T10] [ 3553.189439][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3553.189439][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.189439][ T10] ipv6_find_idev+0x102/0x170 [ 3553.189439][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.189439][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.189439][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.189439][ T10] netlink_unicast+0x449/0x710 [ 3553.189439][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.189439][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.189439][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.189439][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.189439][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.189439][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.189439][ T10] [ 3553.191055][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3553.191055][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.191055][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.191055][ T10] ipv6_find_idev+0x102/0x170 [ 3553.191055][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.191055][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.191055][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.191055][ T10] netlink_unicast+0x449/0x710 [ 3553.191055][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.191055][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.191055][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.191055][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.191055][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.191055][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.191055][ T10] [ 3553.192764][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3553.193043][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3553.193043][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.193043][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.193043][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.193043][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.193043][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.193043][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.193043][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.193043][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.193043][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.193043][ T10] netlink_unicast+0x449/0x710 [ 3553.193043][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.193043][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.193043][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.193043][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.193043][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.193043][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.193043][ T10] [ 3553.195588][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3553.195588][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.195588][ T10] ipv6_find_idev+0x102/0x170 [ 3553.195588][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.195588][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.195588][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.195588][ T10] netlink_unicast+0x449/0x710 [ 3553.195588][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.195588][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.195588][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.195588][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.195588][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.195588][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.195588][ T10] [ 3553.197158][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3553.197158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.197158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.197158][ T10] ipv6_find_idev+0x102/0x170 [ 3553.197158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.197158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.197158][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.197158][ T10] netlink_unicast+0x449/0x710 [ 3553.197158][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.197158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.197158][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.197158][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.197158][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.197158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.197158][ T10] [ 3553.198852][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3553.199122][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3553.199122][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.199122][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.199122][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.199122][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.199122][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.199122][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.199122][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.199122][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.199122][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.199122][ T10] netlink_unicast+0x449/0x710 [ 3553.199122][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.199122][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.199122][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.199122][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.199122][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.199122][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.199122][ T10] [ 3553.201135][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3553.201135][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.201135][ T10] ipv6_find_idev+0x102/0x170 [ 3553.201135][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.201135][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.201135][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.201135][ T10] netlink_unicast+0x449/0x710 [ 3553.201135][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.201135][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.201135][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.201135][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.201135][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.201135][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.201135][ T10] [ 3553.202677][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3553.202677][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.202677][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.202677][ T10] ipv6_find_idev+0x102/0x170 [ 3553.202677][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.202677][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.202677][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.202677][ T10] netlink_unicast+0x449/0x710 [ 3553.202677][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.202677][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.202677][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.202677][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.202677][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.202677][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.202677][ T10] [ 3553.204347][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3553.204671][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3553.204671][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.204671][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.204671][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.204671][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.204671][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.204671][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.204671][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.204671][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.204671][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.204671][ T10] netlink_unicast+0x449/0x710 [ 3553.204671][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.204671][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.204671][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.204671][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.204671][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.204671][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.204671][ T10] [ 3553.206688][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3553.206688][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.206688][ T10] ipv6_find_idev+0x102/0x170 [ 3553.206688][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.206688][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.206688][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.206688][ T10] netlink_unicast+0x449/0x710 [ 3553.206688][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.206688][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.206688][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.206688][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.206688][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.206688][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.206688][ T10] [ 3553.213610][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3553.213610][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.213610][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.213610][ T10] ipv6_find_idev+0x102/0x170 [ 3553.213610][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.213610][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.213610][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.213610][ T10] netlink_unicast+0x449/0x710 [ 3553.213610][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.213610][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.213610][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.213610][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.213610][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.213610][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.213610][ T10] [ 3553.215705][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3553.216331][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3553.216331][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.216331][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.216331][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.216331][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.216331][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.216331][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.216331][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.216331][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.216331][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.216331][ T10] netlink_unicast+0x449/0x710 [ 3553.216331][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.216331][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.216331][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.216331][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.216331][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.216331][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.216331][ T10] [ 3553.218347][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3553.218347][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.218347][ T10] ipv6_find_idev+0x102/0x170 [ 3553.218347][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.218347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.218347][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.218347][ T10] netlink_unicast+0x449/0x710 [ 3553.218347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.218347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.218347][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.218347][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.218347][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.218347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.218347][ T10] [ 3553.219892][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3553.219892][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.219892][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.219892][ T10] ipv6_find_idev+0x102/0x170 [ 3553.219892][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.219892][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.219892][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.219892][ T10] netlink_unicast+0x449/0x710 [ 3553.219892][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.219892][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.219892][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.219892][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.219892][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.219892][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.219892][ T10] [ 3553.221611][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3553.221878][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3553.221878][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.221878][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.221878][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.221878][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.221878][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.221878][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.221878][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.221878][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.221878][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.221878][ T10] netlink_unicast+0x449/0x710 [ 3553.221878][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.221878][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.221878][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.221878][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.221878][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.221878][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.221878][ T10] [ 3553.223868][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3553.223868][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.223868][ T10] ipv6_find_idev+0x102/0x170 [ 3553.223868][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.223868][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.223868][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.223868][ T10] netlink_unicast+0x449/0x710 [ 3553.223868][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.223868][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.223868][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.223868][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.223868][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.223868][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.223868][ T10] [ 3553.225491][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3553.225491][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.225491][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.225491][ T10] ipv6_find_idev+0x102/0x170 [ 3553.225491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.225491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.225491][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.225491][ T10] netlink_unicast+0x449/0x710 [ 3553.225491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.225491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.225491][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.225491][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.225491][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.225491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.225491][ T10] [ 3553.227299][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3553.227560][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3553.227560][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.227560][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.227560][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.227560][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.227560][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.227560][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.227560][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.227560][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.227560][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.227560][ T10] netlink_unicast+0x449/0x710 [ 3553.227560][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.227560][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.227560][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.227560][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.227560][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.227560][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.227560][ T10] [ 3553.229720][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3553.229720][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.229720][ T10] ipv6_find_idev+0x102/0x170 [ 3553.229720][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.229720][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.229720][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.229720][ T10] netlink_unicast+0x449/0x710 [ 3553.229720][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.229720][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.229720][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.229720][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.229720][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.229720][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.229720][ T10] [ 3553.231433][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3553.231433][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.231433][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.231433][ T10] ipv6_find_idev+0x102/0x170 [ 3553.231433][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.231433][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.231433][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.231433][ T10] netlink_unicast+0x449/0x710 [ 3553.231433][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.231433][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.231433][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.231433][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.231433][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.231433][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.231433][ T10] [ 3553.233301][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3553.233568][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3553.233568][ T10] netdev_get_by_index+0x5e/0x80 [ 3553.233568][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3553.233568][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3553.233568][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3553.233568][ T10] ipv6_add_addr+0x411/0x2000 [ 3553.233568][ T10] inet6_addr_add+0x30e/0xa40 [ 3553.233568][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3553.233568][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.233568][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.233568][ T10] netlink_unicast+0x449/0x710 [ 3553.233568][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.233568][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.233568][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.233568][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.233568][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.233568][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.233568][ T10] [ 3553.235704][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3553.235704][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3553.235704][ T10] ipv6_find_idev+0x102/0x170 [ 3553.235704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.235704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.235704][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.235704][ T10] netlink_unicast+0x449/0x710 [ 3553.235704][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.235704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.235704][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.235704][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.235704][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.235704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.235704][ T10] [ 3553.237334][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3553.237334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3553.237334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3553.237334][ T10] ipv6_find_idev+0x102/0x170 [ 3553.237334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3553.237334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3553.237334][ T10] netlink_rcv_skb+0x130/0x360 [ 3553.237334][ T10] netlink_unicast+0x449/0x710 [ 3553.237334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3553.237334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3553.237334][ T10] ___sys_sendmsg+0xee/0x170 [ 3553.237334][ T10] __sys_sendmsg+0xcd/0x170 [ 3553.237334][ T10] do_syscall_64+0xc6/0x1e0 [ 3553.237334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3553.237334][ T10] [ 3563.378906][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3563.379307][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3563.379307][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.379307][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.379307][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.379307][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.379307][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.379307][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.379307][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.379307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.379307][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.379307][ T10] netlink_unicast+0x449/0x710 [ 3563.379307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.379307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.379307][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.379307][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.379307][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.379307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.379307][ T10] [ 3563.381358][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3563.381358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.381358][ T10] ipv6_find_idev+0x102/0x170 [ 3563.381358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.381358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.381358][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.381358][ T10] netlink_unicast+0x449/0x710 [ 3563.381358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.381358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.381358][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.381358][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.381358][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.381358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.381358][ T10] [ 3563.383008][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3563.383008][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.383008][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.383008][ T10] ipv6_find_idev+0x102/0x170 [ 3563.383008][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.383008][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.383008][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.383008][ T10] netlink_unicast+0x449/0x710 [ 3563.383008][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.383008][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.383008][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.383008][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.383008][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.383008][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.383008][ T10] [ 3563.384719][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3563.385035][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3563.385035][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.385035][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.385035][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.385035][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.385035][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.385035][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.385035][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.385035][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.385035][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.385035][ T10] netlink_unicast+0x449/0x710 [ 3563.385035][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.385035][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.385035][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.385035][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.385035][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.385035][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.385035][ T10] [ 3563.387067][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3563.387067][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.387067][ T10] ipv6_find_idev+0x102/0x170 [ 3563.387067][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.387067][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.387067][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.387067][ T10] netlink_unicast+0x449/0x710 [ 3563.387067][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.387067][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.387067][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.387067][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.387067][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.387067][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.387067][ T10] [ 3563.388627][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3563.388627][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.388627][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.388627][ T10] ipv6_find_idev+0x102/0x170 [ 3563.388627][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.388627][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.388627][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.388627][ T10] netlink_unicast+0x449/0x710 [ 3563.388627][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.388627][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.388627][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.388627][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.388627][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.388627][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.388627][ T10] [ 3563.390332][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3563.390616][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3563.390616][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.390616][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.390616][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.390616][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.390616][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.390616][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.390616][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.390616][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.390616][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.390616][ T10] netlink_unicast+0x449/0x710 [ 3563.390616][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.390616][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.390616][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.390616][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.390616][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.390616][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.390616][ T10] [ 3563.392636][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3563.392636][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.392636][ T10] ipv6_find_idev+0x102/0x170 [ 3563.392636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.392636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.392636][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.392636][ T10] netlink_unicast+0x449/0x710 [ 3563.392636][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.392636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.392636][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.392636][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.392636][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.392636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.392636][ T10] [ 3563.394186][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3563.394186][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.394186][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.394186][ T10] ipv6_find_idev+0x102/0x170 [ 3563.394186][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.394186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.394186][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.394186][ T10] netlink_unicast+0x449/0x710 [ 3563.394186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.394186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.394186][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.394186][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.394186][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.394186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.394186][ T10] [ 3563.395882][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3563.396186][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3563.396186][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.396186][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.396186][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.396186][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.396186][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.396186][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.396186][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.396186][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.396186][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.396186][ T10] netlink_unicast+0x449/0x710 [ 3563.396186][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.396186][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.396186][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.396186][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.396186][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.396186][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.396186][ T10] [ 3563.398174][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3563.398174][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.398174][ T10] ipv6_find_idev+0x102/0x170 [ 3563.398174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.398174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.398174][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.398174][ T10] netlink_unicast+0x449/0x710 [ 3563.398174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.398174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.398174][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.398174][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.398174][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.398174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.398174][ T10] [ 3563.399728][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3563.399728][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.399728][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.399728][ T10] ipv6_find_idev+0x102/0x170 [ 3563.399728][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.399728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.399728][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.399728][ T10] netlink_unicast+0x449/0x710 [ 3563.399728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.399728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.399728][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.399728][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.399728][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.399728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.399728][ T10] [ 3563.401866][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3563.402464][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3563.402464][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.402464][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.402464][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.402464][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.402464][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.402464][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.402464][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.402464][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.402464][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.402464][ T10] netlink_unicast+0x449/0x710 [ 3563.402464][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.402464][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.402464][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.402464][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.402464][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.402464][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.402464][ T10] [ 3563.404455][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3563.404455][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.404455][ T10] ipv6_find_idev+0x102/0x170 [ 3563.404455][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.404455][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.404455][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.404455][ T10] netlink_unicast+0x449/0x710 [ 3563.404455][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.404455][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.404455][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.404455][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.404455][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.404455][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.404455][ T10] [ 3563.405983][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3563.405983][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.405983][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.405983][ T10] ipv6_find_idev+0x102/0x170 [ 3563.405983][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.405983][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.405983][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.405983][ T10] netlink_unicast+0x449/0x710 [ 3563.405983][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.405983][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.405983][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.405983][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.405983][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.405983][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.405983][ T10] [ 3563.407678][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3563.408040][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3563.408040][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.408040][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.408040][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.408040][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.408040][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.408040][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.408040][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.408040][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.408040][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.408040][ T10] netlink_unicast+0x449/0x710 [ 3563.408040][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.408040][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.408040][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.408040][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.408040][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.408040][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.408040][ T10] [ 3563.410041][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3563.410041][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.410041][ T10] ipv6_find_idev+0x102/0x170 [ 3563.410041][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.410041][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.410041][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.410041][ T10] netlink_unicast+0x449/0x710 [ 3563.410041][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.410041][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.410041][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.410041][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.410041][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.410041][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.410041][ T10] [ 3563.411582][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3563.411582][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.411582][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.411582][ T10] ipv6_find_idev+0x102/0x170 [ 3563.411582][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.411582][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.411582][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.411582][ T10] netlink_unicast+0x449/0x710 [ 3563.411582][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.411582][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.411582][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.411582][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.411582][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.411582][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.411582][ T10] [ 3563.413656][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3563.413986][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3563.413986][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.413986][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.413986][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.413986][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.413986][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.413986][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.413986][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.413986][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.413986][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.413986][ T10] netlink_unicast+0x449/0x710 [ 3563.413986][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.413986][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.413986][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.413986][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.413986][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.413986][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.413986][ T10] [ 3563.416201][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3563.416201][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.416201][ T10] ipv6_find_idev+0x102/0x170 [ 3563.416201][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.416201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.416201][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.416201][ T10] netlink_unicast+0x449/0x710 [ 3563.416201][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.416201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.416201][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.416201][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.416201][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.416201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.416201][ T10] [ 3563.417936][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3563.417936][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.417936][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.417936][ T10] ipv6_find_idev+0x102/0x170 [ 3563.417936][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.417936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.417936][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.417936][ T10] netlink_unicast+0x449/0x710 [ 3563.417936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.417936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.417936][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.417936][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.417936][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.417936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.417936][ T10] [ 3563.419900][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3563.420215][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3563.420215][ T10] netdev_get_by_index+0x5e/0x80 [ 3563.420215][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3563.420215][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3563.420215][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3563.420215][ T10] ipv6_add_addr+0x411/0x2000 [ 3563.420215][ T10] inet6_addr_add+0x30e/0xa40 [ 3563.420215][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3563.420215][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.420215][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.420215][ T10] netlink_unicast+0x449/0x710 [ 3563.420215][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.420215][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.420215][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.420215][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.420215][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.420215][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.420215][ T10] [ 3563.422426][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3563.422426][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3563.422426][ T10] ipv6_find_idev+0x102/0x170 [ 3563.422426][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.422426][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.422426][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.422426][ T10] netlink_unicast+0x449/0x710 [ 3563.422426][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.422426][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.422426][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.422426][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.422426][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.422426][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.422426][ T10] [ 3563.424154][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3563.424154][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3563.424154][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3563.424154][ T10] ipv6_find_idev+0x102/0x170 [ 3563.424154][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3563.424154][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3563.424154][ T10] netlink_rcv_skb+0x130/0x360 [ 3563.424154][ T10] netlink_unicast+0x449/0x710 [ 3563.424154][ T10] netlink_sendmsg+0x723/0xbe0 [ 3563.424154][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3563.424154][ T10] ___sys_sendmsg+0xee/0x170 [ 3563.424154][ T10] __sys_sendmsg+0xcd/0x170 [ 3563.424154][ T10] do_syscall_64+0xc6/0x1e0 [ 3563.424154][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3563.424154][ T10] [ 3573.666987][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3573.667460][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3573.667460][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.667460][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.667460][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.667460][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.667460][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.667460][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.667460][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.667460][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.667460][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.667460][ T10] netlink_unicast+0x449/0x710 [ 3573.667460][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.667460][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.667460][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.667460][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.667460][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.667460][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.667460][ T10] [ 3573.669545][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3573.669545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.669545][ T10] ipv6_find_idev+0x102/0x170 [ 3573.669545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.669545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.669545][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.669545][ T10] netlink_unicast+0x449/0x710 [ 3573.669545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.669545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.669545][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.669545][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.669545][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.669545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.669545][ T10] [ 3573.671102][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3573.671102][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.671102][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.671102][ T10] ipv6_find_idev+0x102/0x170 [ 3573.671102][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.671102][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.671102][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.671102][ T10] netlink_unicast+0x449/0x710 [ 3573.671102][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.671102][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.671102][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.671102][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.671102][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.671102][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.671102][ T10] [ 3573.672824][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3573.673107][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3573.673107][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.673107][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.673107][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.673107][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.673107][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.673107][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.673107][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.673107][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.673107][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.673107][ T10] netlink_unicast+0x449/0x710 [ 3573.673107][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.673107][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.673107][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.673107][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.673107][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.673107][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.673107][ T10] [ 3573.675128][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3573.675128][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.675128][ T10] ipv6_find_idev+0x102/0x170 [ 3573.675128][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.675128][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.675128][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.675128][ T10] netlink_unicast+0x449/0x710 [ 3573.675128][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.675128][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.675128][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.675128][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.675128][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.675128][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.675128][ T10] [ 3573.676685][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3573.676685][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.676685][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.676685][ T10] ipv6_find_idev+0x102/0x170 [ 3573.676685][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.676685][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.676685][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.676685][ T10] netlink_unicast+0x449/0x710 [ 3573.676685][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.676685][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.676685][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.676685][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.676685][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.676685][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.676685][ T10] [ 3573.678386][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3573.678663][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3573.678663][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.678663][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.678663][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.678663][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.678663][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.678663][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.678663][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.678663][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.678663][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.678663][ T10] netlink_unicast+0x449/0x710 [ 3573.678663][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.678663][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.678663][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.678663][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.678663][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.678663][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.678663][ T10] [ 3573.680704][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3573.680704][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.680704][ T10] ipv6_find_idev+0x102/0x170 [ 3573.680704][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.680704][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.680704][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.680704][ T10] netlink_unicast+0x449/0x710 [ 3573.680704][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.680704][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.680704][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.680704][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.680704][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.680704][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.680704][ T10] [ 3573.682260][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3573.682260][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.682260][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.682260][ T10] ipv6_find_idev+0x102/0x170 [ 3573.682260][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.682260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.682260][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.682260][ T10] netlink_unicast+0x449/0x710 [ 3573.682260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.682260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.682260][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.682260][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.682260][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.682260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.682260][ T10] [ 3573.683959][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3573.684232][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3573.684232][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.684232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.684232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.684232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.684232][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.684232][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.684232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.684232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.684232][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.684232][ T10] netlink_unicast+0x449/0x710 [ 3573.684232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.684232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.684232][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.684232][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.684232][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.684232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.684232][ T10] [ 3573.686243][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3573.686243][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.686243][ T10] ipv6_find_idev+0x102/0x170 [ 3573.686243][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.686243][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.686243][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.686243][ T10] netlink_unicast+0x449/0x710 [ 3573.686243][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.686243][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.686243][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.686243][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.686243][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.686243][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.686243][ T10] [ 3573.687791][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3573.687791][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.687791][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.687791][ T10] ipv6_find_idev+0x102/0x170 [ 3573.687791][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.687791][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.687791][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.687791][ T10] netlink_unicast+0x449/0x710 [ 3573.687791][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.687791][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.687791][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.687791][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.687791][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.687791][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.687791][ T10] [ 3573.689888][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3573.690486][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3573.690486][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.690486][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.690486][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.690486][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.690486][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.690486][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.690486][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.690486][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.690486][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.690486][ T10] netlink_unicast+0x449/0x710 [ 3573.690486][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.690486][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.690486][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.690486][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.690486][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.690486][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.690486][ T10] [ 3573.692477][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3573.692477][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.692477][ T10] ipv6_find_idev+0x102/0x170 [ 3573.692477][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.692477][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.692477][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.692477][ T10] netlink_unicast+0x449/0x710 [ 3573.692477][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.692477][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.692477][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.692477][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.692477][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.692477][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.692477][ T10] [ 3573.694051][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3573.694051][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.694051][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.694051][ T10] ipv6_find_idev+0x102/0x170 [ 3573.694051][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.694051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.694051][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.694051][ T10] netlink_unicast+0x449/0x710 [ 3573.694051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.694051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.694051][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.694051][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.694051][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.694051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.694051][ T10] [ 3573.695743][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3573.696073][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3573.696073][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.696073][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.696073][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.696073][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.696073][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.696073][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.696073][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.696073][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.696073][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.696073][ T10] netlink_unicast+0x449/0x710 [ 3573.696073][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.696073][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.696073][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.696073][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.696073][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.696073][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.696073][ T10] [ 3573.698068][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3573.698068][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.698068][ T10] ipv6_find_idev+0x102/0x170 [ 3573.698068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.698068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.698068][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.698068][ T10] netlink_unicast+0x449/0x710 [ 3573.698068][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.698068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.698068][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.698068][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.698068][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.698068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.698068][ T10] [ 3573.699593][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3573.699593][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.699593][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.699593][ T10] ipv6_find_idev+0x102/0x170 [ 3573.699593][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.699593][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.699593][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.699593][ T10] netlink_unicast+0x449/0x710 [ 3573.699593][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.699593][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.699593][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.699593][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.699593][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.699593][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.699593][ T10] [ 3573.701629][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3573.701946][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3573.701946][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.701946][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.701946][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.701946][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.701946][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.701946][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.701946][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.701946][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.701946][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.701946][ T10] netlink_unicast+0x449/0x710 [ 3573.701946][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.701946][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.701946][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.701946][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.701946][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.701946][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.701946][ T10] [ 3573.704130][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3573.704130][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.704130][ T10] ipv6_find_idev+0x102/0x170 [ 3573.704130][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.704130][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.704130][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.704130][ T10] netlink_unicast+0x449/0x710 [ 3573.704130][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.704130][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.704130][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.704130][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.704130][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.704130][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.704130][ T10] [ 3573.705953][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3573.705953][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.705953][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.705953][ T10] ipv6_find_idev+0x102/0x170 [ 3573.705953][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.705953][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.705953][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.705953][ T10] netlink_unicast+0x449/0x710 [ 3573.705953][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.705953][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.705953][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.705953][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.705953][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.705953][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.705953][ T10] [ 3573.707871][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3573.708191][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3573.708191][ T10] netdev_get_by_index+0x5e/0x80 [ 3573.708191][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3573.708191][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3573.708191][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3573.708191][ T10] ipv6_add_addr+0x411/0x2000 [ 3573.708191][ T10] inet6_addr_add+0x30e/0xa40 [ 3573.708191][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3573.708191][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.708191][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.708191][ T10] netlink_unicast+0x449/0x710 [ 3573.708191][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.708191][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.708191][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.708191][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.708191][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.708191][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.708191][ T10] [ 3573.710425][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3573.710425][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3573.710425][ T10] ipv6_find_idev+0x102/0x170 [ 3573.710425][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.710425][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.710425][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.710425][ T10] netlink_unicast+0x449/0x710 [ 3573.710425][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.710425][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.710425][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.710425][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.710425][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.710425][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.710425][ T10] [ 3573.712158][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3573.712158][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3573.712158][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3573.712158][ T10] ipv6_find_idev+0x102/0x170 [ 3573.712158][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3573.712158][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3573.712158][ T10] netlink_rcv_skb+0x130/0x360 [ 3573.712158][ T10] netlink_unicast+0x449/0x710 [ 3573.712158][ T10] netlink_sendmsg+0x723/0xbe0 [ 3573.712158][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3573.712158][ T10] ___sys_sendmsg+0xee/0x170 [ 3573.712158][ T10] __sys_sendmsg+0xcd/0x170 [ 3573.712158][ T10] do_syscall_64+0xc6/0x1e0 [ 3573.712158][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3573.712158][ T10] [ 3583.954995][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3583.955396][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3583.955396][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.955396][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.955396][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.955396][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.955396][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.955396][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.955396][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.955396][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.955396][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.955396][ T10] netlink_unicast+0x449/0x710 [ 3583.955396][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.955396][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.955396][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.955396][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.955396][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.955396][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.955396][ T10] [ 3583.957506][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3583.957506][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.957506][ T10] ipv6_find_idev+0x102/0x170 [ 3583.957506][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.957506][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.957506][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.957506][ T10] netlink_unicast+0x449/0x710 [ 3583.957506][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.957506][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.957506][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.957506][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.957506][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.957506][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.957506][ T10] [ 3583.959061][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3583.959061][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.959061][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.959061][ T10] ipv6_find_idev+0x102/0x170 [ 3583.959061][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.959061][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.959061][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.959061][ T10] netlink_unicast+0x449/0x710 [ 3583.959061][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.959061][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.959061][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.959061][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.959061][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.959061][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.959061][ T10] [ 3583.960783][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3583.961108][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3583.961108][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.961108][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.961108][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.961108][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.961108][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.961108][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.961108][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.961108][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.961108][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.961108][ T10] netlink_unicast+0x449/0x710 [ 3583.961108][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.961108][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.961108][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.961108][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.961108][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.961108][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.961108][ T10] [ 3583.963125][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3583.963125][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.963125][ T10] ipv6_find_idev+0x102/0x170 [ 3583.963125][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.963125][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.963125][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.963125][ T10] netlink_unicast+0x449/0x710 [ 3583.963125][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.963125][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.963125][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.963125][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.963125][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.963125][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.963125][ T10] [ 3583.964679][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3583.964679][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.964679][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.964679][ T10] ipv6_find_idev+0x102/0x170 [ 3583.964679][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.964679][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.964679][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.964679][ T10] netlink_unicast+0x449/0x710 [ 3583.964679][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.964679][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.964679][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.964679][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.964679][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.964679][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.964679][ T10] [ 3583.966397][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3583.966684][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3583.966684][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.966684][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.966684][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.966684][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.966684][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.966684][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.966684][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.966684][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.966684][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.966684][ T10] netlink_unicast+0x449/0x710 [ 3583.966684][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.966684][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.966684][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.966684][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.966684][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.966684][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.966684][ T10] [ 3583.968705][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3583.968705][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.968705][ T10] ipv6_find_idev+0x102/0x170 [ 3583.968705][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.968705][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.968705][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.968705][ T10] netlink_unicast+0x449/0x710 [ 3583.968705][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.968705][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.968705][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.968705][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.968705][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.968705][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.968705][ T10] [ 3583.970251][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3583.970251][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.970251][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.970251][ T10] ipv6_find_idev+0x102/0x170 [ 3583.970251][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.970251][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.970251][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.970251][ T10] netlink_unicast+0x449/0x710 [ 3583.970251][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.970251][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.970251][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.970251][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.970251][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.970251][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.970251][ T10] [ 3583.971956][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3583.972260][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3583.972260][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.972260][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.972260][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.972260][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.972260][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.972260][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.972260][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.972260][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.972260][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.972260][ T10] netlink_unicast+0x449/0x710 [ 3583.972260][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.972260][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.972260][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.972260][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.972260][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.972260][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.972260][ T10] [ 3583.974269][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3583.974269][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.974269][ T10] ipv6_find_idev+0x102/0x170 [ 3583.974269][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.974269][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.974269][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.974269][ T10] netlink_unicast+0x449/0x710 [ 3583.974269][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.974269][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.974269][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.974269][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.974269][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.974269][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.974269][ T10] [ 3583.975836][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3583.975836][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.975836][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.975836][ T10] ipv6_find_idev+0x102/0x170 [ 3583.975836][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.975836][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.975836][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.975836][ T10] netlink_unicast+0x449/0x710 [ 3583.975836][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.975836][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.975836][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.975836][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.975836][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.975836][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.975836][ T10] [ 3583.978031][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3583.978662][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3583.978662][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.978662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.978662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.978662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.978662][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.978662][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.978662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.978662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.978662][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.978662][ T10] netlink_unicast+0x449/0x710 [ 3583.978662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.978662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.978662][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.978662][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.978662][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.978662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.978662][ T10] [ 3583.980669][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3583.980669][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.980669][ T10] ipv6_find_idev+0x102/0x170 [ 3583.980669][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.980669][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.980669][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.980669][ T10] netlink_unicast+0x449/0x710 [ 3583.980669][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.980669][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.980669][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.980669][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.980669][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.980669][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.980669][ T10] [ 3583.982333][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3583.982333][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.982333][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.982333][ T10] ipv6_find_idev+0x102/0x170 [ 3583.982333][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.982333][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.982333][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.982333][ T10] netlink_unicast+0x449/0x710 [ 3583.982333][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.982333][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.982333][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.982333][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.982333][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.982333][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.982333][ T10] [ 3583.984041][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3583.984347][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3583.984347][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.984347][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.984347][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.984347][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.984347][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.984347][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.984347][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.984347][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.984347][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.984347][ T10] netlink_unicast+0x449/0x710 [ 3583.984347][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.984347][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.984347][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.984347][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.984347][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.984347][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.984347][ T10] [ 3583.986358][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3583.986358][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.986358][ T10] ipv6_find_idev+0x102/0x170 [ 3583.986358][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.986358][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.986358][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.986358][ T10] netlink_unicast+0x449/0x710 [ 3583.986358][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.986358][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.986358][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.986358][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.986358][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.986358][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.986358][ T10] [ 3583.987970][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3583.987970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.987970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.987970][ T10] ipv6_find_idev+0x102/0x170 [ 3583.987970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.987970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.987970][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.987970][ T10] netlink_unicast+0x449/0x710 [ 3583.987970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.987970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.987970][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.987970][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.987970][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.987970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.987970][ T10] [ 3583.989991][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3583.990305][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3583.990305][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.990305][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.990305][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.990305][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.990305][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.990305][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.990305][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.990305][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.990305][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.990305][ T10] netlink_unicast+0x449/0x710 [ 3583.990305][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.990305][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.990305][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.990305][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.990305][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.990305][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.990305][ T10] [ 3583.992489][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3583.992489][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.992489][ T10] ipv6_find_idev+0x102/0x170 [ 3583.992489][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.992489][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.992489][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.992489][ T10] netlink_unicast+0x449/0x710 [ 3583.992489][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.992489][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.992489][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.992489][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.992489][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.992489][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.992489][ T10] [ 3583.994216][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3583.994216][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3583.994216][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3583.994216][ T10] ipv6_find_idev+0x102/0x170 [ 3583.994216][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.994216][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.994216][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.994216][ T10] netlink_unicast+0x449/0x710 [ 3583.994216][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.994216][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.994216][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.994216][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.994216][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.994216][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.994216][ T10] [ 3583.996235][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3583.996548][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3583.996548][ T10] netdev_get_by_index+0x5e/0x80 [ 3583.996548][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3583.996548][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3583.996548][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3583.996548][ T10] ipv6_add_addr+0x411/0x2000 [ 3583.996548][ T10] inet6_addr_add+0x30e/0xa40 [ 3583.996548][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3583.996548][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.996548][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.996548][ T10] netlink_unicast+0x449/0x710 [ 3583.996548][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.996548][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.996548][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.996548][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.996548][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.996548][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.996548][ T10] [ 3583.998746][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3583.998746][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3583.998746][ T10] ipv6_find_idev+0x102/0x170 [ 3583.998746][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3583.998746][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3583.998746][ T10] netlink_rcv_skb+0x130/0x360 [ 3583.998746][ T10] netlink_unicast+0x449/0x710 [ 3583.998746][ T10] netlink_sendmsg+0x723/0xbe0 [ 3583.998746][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3583.998746][ T10] ___sys_sendmsg+0xee/0x170 [ 3583.998746][ T10] __sys_sendmsg+0xcd/0x170 [ 3583.998746][ T10] do_syscall_64+0xc6/0x1e0 [ 3583.998746][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3583.998746][ T10] [ 3584.000533][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3584.000533][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3584.000533][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3584.000533][ T10] ipv6_find_idev+0x102/0x170 [ 3584.000533][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3584.000533][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3584.000533][ T10] netlink_rcv_skb+0x130/0x360 [ 3584.000533][ T10] netlink_unicast+0x449/0x710 [ 3584.000533][ T10] netlink_sendmsg+0x723/0xbe0 [ 3584.000533][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3584.000533][ T10] ___sys_sendmsg+0xee/0x170 [ 3584.000533][ T10] __sys_sendmsg+0xcd/0x170 [ 3584.000533][ T10] do_syscall_64+0xc6/0x1e0 [ 3584.000533][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3584.000533][ T10] [ 3594.242921][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3594.243343][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3594.243343][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.243343][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.243343][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.243343][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.243343][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.243343][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.243343][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.243343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.243343][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.243343][ T10] netlink_unicast+0x449/0x710 [ 3594.243343][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.243343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.243343][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.243343][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.243343][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.243343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.243343][ T10] [ 3594.245457][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3594.245457][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.245457][ T10] ipv6_find_idev+0x102/0x170 [ 3594.245457][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.245457][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.245457][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.245457][ T10] netlink_unicast+0x449/0x710 [ 3594.245457][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.245457][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.245457][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.245457][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.245457][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.245457][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.245457][ T10] [ 3594.247029][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3594.247029][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.247029][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.247029][ T10] ipv6_find_idev+0x102/0x170 [ 3594.247029][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.247029][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.247029][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.247029][ T10] netlink_unicast+0x449/0x710 [ 3594.247029][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.247029][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.247029][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.247029][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.247029][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.247029][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.247029][ T10] [ 3594.248753][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3594.249066][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3594.249066][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.249066][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.249066][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.249066][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.249066][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.249066][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.249066][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.249066][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.249066][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.249066][ T10] netlink_unicast+0x449/0x710 [ 3594.249066][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.249066][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.249066][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.249066][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.249066][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.249066][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.249066][ T10] [ 3594.251085][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3594.251085][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.251085][ T10] ipv6_find_idev+0x102/0x170 [ 3594.251085][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.251085][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.251085][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.251085][ T10] netlink_unicast+0x449/0x710 [ 3594.251085][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.251085][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.251085][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.251085][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.251085][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.251085][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.251085][ T10] [ 3594.252636][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3594.252636][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.252636][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.252636][ T10] ipv6_find_idev+0x102/0x170 [ 3594.252636][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.252636][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.252636][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.252636][ T10] netlink_unicast+0x449/0x710 [ 3594.252636][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.252636][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.252636][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.252636][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.252636][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.252636][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.252636][ T10] [ 3594.254339][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3594.254620][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3594.254620][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.254620][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.254620][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.254620][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.254620][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.254620][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.254620][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.254620][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.254620][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.254620][ T10] netlink_unicast+0x449/0x710 [ 3594.254620][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.254620][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.254620][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.254620][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.254620][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.254620][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.254620][ T10] [ 3594.256648][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3594.256648][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.256648][ T10] ipv6_find_idev+0x102/0x170 [ 3594.256648][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.256648][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.256648][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.256648][ T10] netlink_unicast+0x449/0x710 [ 3594.256648][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.256648][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.256648][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.256648][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.256648][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.256648][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.256648][ T10] [ 3594.258196][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3594.258196][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.258196][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.258196][ T10] ipv6_find_idev+0x102/0x170 [ 3594.258196][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.258196][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.258196][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.258196][ T10] netlink_unicast+0x449/0x710 [ 3594.258196][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.258196][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.258196][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.258196][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.258196][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.258196][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.258196][ T10] [ 3594.259899][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3594.260187][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3594.260187][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.260187][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.260187][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.260187][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.260187][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.260187][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.260187][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.260187][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.260187][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.260187][ T10] netlink_unicast+0x449/0x710 [ 3594.260187][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.260187][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.260187][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.260187][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.260187][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.260187][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.260187][ T10] [ 3594.262222][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3594.262222][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.262222][ T10] ipv6_find_idev+0x102/0x170 [ 3594.262222][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.262222][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.262222][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.262222][ T10] netlink_unicast+0x449/0x710 [ 3594.262222][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.262222][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.262222][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.262222][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.262222][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.262222][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.262222][ T10] [ 3594.264277][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3594.264277][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.264277][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.264277][ T10] ipv6_find_idev+0x102/0x170 [ 3594.264277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.264277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.264277][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.264277][ T10] netlink_unicast+0x449/0x710 [ 3594.264277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.264277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.264277][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.264277][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.264277][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.264277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.264277][ T10] [ 3594.266405][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3594.267033][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3594.267033][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.267033][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.267033][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.267033][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.267033][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.267033][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.267033][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.267033][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.267033][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.267033][ T10] netlink_unicast+0x449/0x710 [ 3594.267033][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.267033][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.267033][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.267033][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.267033][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.267033][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.267033][ T10] [ 3594.271621][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3594.271621][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.271621][ T10] ipv6_find_idev+0x102/0x170 [ 3594.271621][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.271621][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.271621][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.271621][ T10] netlink_unicast+0x449/0x710 [ 3594.271621][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.271621][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.271621][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.271621][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.271621][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.271621][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.271621][ T10] [ 3594.273174][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3594.273174][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.273174][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.273174][ T10] ipv6_find_idev+0x102/0x170 [ 3594.273174][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.273174][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.273174][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.273174][ T10] netlink_unicast+0x449/0x710 [ 3594.273174][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.273174][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.273174][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.273174][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.273174][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.273174][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.273174][ T10] [ 3594.274884][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3594.275201][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3594.275201][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.275201][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.275201][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.275201][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.275201][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.275201][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.275201][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.275201][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.275201][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.275201][ T10] netlink_unicast+0x449/0x710 [ 3594.275201][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.275201][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.275201][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.275201][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.275201][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.275201][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.275201][ T10] [ 3594.277214][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3594.277214][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.277214][ T10] ipv6_find_idev+0x102/0x170 [ 3594.277214][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.277214][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.277214][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.277214][ T10] netlink_unicast+0x449/0x710 [ 3594.277214][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.277214][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.277214][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.277214][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.277214][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.277214][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.277214][ T10] [ 3594.278840][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3594.278840][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.278840][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.278840][ T10] ipv6_find_idev+0x102/0x170 [ 3594.278840][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.278840][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.278840][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.278840][ T10] netlink_unicast+0x449/0x710 [ 3594.278840][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.278840][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.278840][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.278840][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.278840][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.278840][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.278840][ T10] [ 3594.280794][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3594.281131][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3594.281131][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.281131][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.281131][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.281131][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.281131][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.281131][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.281131][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.281131][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.281131][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.281131][ T10] netlink_unicast+0x449/0x710 [ 3594.281131][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.281131][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.281131][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.281131][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.281131][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.281131][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.281131][ T10] [ 3594.283321][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3594.283321][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.283321][ T10] ipv6_find_idev+0x102/0x170 [ 3594.283321][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.283321][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.283321][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.283321][ T10] netlink_unicast+0x449/0x710 [ 3594.283321][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.283321][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.283321][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.283321][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.283321][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.283321][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.283321][ T10] [ 3594.285103][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3594.285103][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.285103][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.285103][ T10] ipv6_find_idev+0x102/0x170 [ 3594.285103][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.285103][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.285103][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.285103][ T10] netlink_unicast+0x449/0x710 [ 3594.285103][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.285103][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.285103][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.285103][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.285103][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.285103][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.285103][ T10] [ 3594.287118][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3594.287432][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3594.287432][ T10] netdev_get_by_index+0x5e/0x80 [ 3594.287432][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3594.287432][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3594.287432][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3594.287432][ T10] ipv6_add_addr+0x411/0x2000 [ 3594.287432][ T10] inet6_addr_add+0x30e/0xa40 [ 3594.287432][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3594.287432][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.287432][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.287432][ T10] netlink_unicast+0x449/0x710 [ 3594.287432][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.287432][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.287432][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.287432][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.287432][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.287432][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.287432][ T10] [ 3594.289642][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3594.289642][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3594.289642][ T10] ipv6_find_idev+0x102/0x170 [ 3594.289642][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.289642][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.289642][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.289642][ T10] netlink_unicast+0x449/0x710 [ 3594.289642][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.289642][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.289642][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.289642][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.289642][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.289642][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.289642][ T10] [ 3594.291363][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3594.291363][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3594.291363][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3594.291363][ T10] ipv6_find_idev+0x102/0x170 [ 3594.291363][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3594.291363][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3594.291363][ T10] netlink_rcv_skb+0x130/0x360 [ 3594.291363][ T10] netlink_unicast+0x449/0x710 [ 3594.291363][ T10] netlink_sendmsg+0x723/0xbe0 [ 3594.291363][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3594.291363][ T10] ___sys_sendmsg+0xee/0x170 [ 3594.291363][ T10] __sys_sendmsg+0xcd/0x170 [ 3594.291363][ T10] do_syscall_64+0xc6/0x1e0 [ 3594.291363][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3594.291363][ T10] [ 3604.530967][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3604.531365][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3604.531365][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.531365][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.531365][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.531365][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.531365][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.531365][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.531365][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.531365][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.531365][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.531365][ T10] netlink_unicast+0x449/0x710 [ 3604.531365][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.531365][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.531365][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.531365][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.531365][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.531365][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.531365][ T10] [ 3604.533406][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3604.533406][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.533406][ T10] ipv6_find_idev+0x102/0x170 [ 3604.533406][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.533406][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.533406][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.533406][ T10] netlink_unicast+0x449/0x710 [ 3604.533406][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.533406][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.533406][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.533406][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.533406][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.533406][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.533406][ T10] [ 3604.534970][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3604.534970][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.534970][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.534970][ T10] ipv6_find_idev+0x102/0x170 [ 3604.534970][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.534970][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.534970][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.534970][ T10] netlink_unicast+0x449/0x710 [ 3604.534970][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.534970][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.534970][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.534970][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.534970][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.534970][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.534970][ T10] [ 3604.536697][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3604.537003][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3604.537003][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.537003][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.537003][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.537003][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.537003][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.537003][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.537003][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.537003][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.537003][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.537003][ T10] netlink_unicast+0x449/0x710 [ 3604.537003][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.537003][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.537003][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.537003][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.537003][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.537003][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.537003][ T10] [ 3604.539016][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3604.539016][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.539016][ T10] ipv6_find_idev+0x102/0x170 [ 3604.539016][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.539016][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.539016][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.539016][ T10] netlink_unicast+0x449/0x710 [ 3604.539016][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.539016][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.539016][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.539016][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.539016][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.539016][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.539016][ T10] [ 3604.540559][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3604.540559][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.540559][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.540559][ T10] ipv6_find_idev+0x102/0x170 [ 3604.540559][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.540559][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.540559][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.540559][ T10] netlink_unicast+0x449/0x710 [ 3604.540559][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.540559][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.540559][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.540559][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.540559][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.540559][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.540559][ T10] [ 3604.542252][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3604.542538][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3604.542538][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.542538][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.542538][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.542538][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.542538][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.542538][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.542538][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.542538][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.542538][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.542538][ T10] netlink_unicast+0x449/0x710 [ 3604.542538][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.542538][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.542538][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.542538][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.542538][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.542538][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.542538][ T10] [ 3604.544545][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3604.544545][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.544545][ T10] ipv6_find_idev+0x102/0x170 [ 3604.544545][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.544545][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.544545][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.544545][ T10] netlink_unicast+0x449/0x710 [ 3604.544545][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.544545][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.544545][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.544545][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.544545][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.544545][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.544545][ T10] [ 3604.546091][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3604.546091][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.546091][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.546091][ T10] ipv6_find_idev+0x102/0x170 [ 3604.546091][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.546091][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.546091][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.546091][ T10] netlink_unicast+0x449/0x710 [ 3604.546091][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.546091][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.546091][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.546091][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.546091][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.546091][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.546091][ T10] [ 3604.547793][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3604.548528][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3604.548528][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.548528][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.548528][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.548528][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.548528][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.548528][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.548528][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.548528][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.548528][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.548528][ T10] netlink_unicast+0x449/0x710 [ 3604.548528][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.548528][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.548528][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.548528][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.548528][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.548528][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.548528][ T10] [ 3604.550526][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3604.550526][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.550526][ T10] ipv6_find_idev+0x102/0x170 [ 3604.550526][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.550526][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.550526][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.550526][ T10] netlink_unicast+0x449/0x710 [ 3604.550526][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.550526][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.550526][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.550526][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.550526][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.550526][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.550526][ T10] [ 3604.552068][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3604.552068][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.552068][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.552068][ T10] ipv6_find_idev+0x102/0x170 [ 3604.552068][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.552068][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.552068][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.552068][ T10] netlink_unicast+0x449/0x710 [ 3604.552068][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.552068][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.552068][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.552068][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.552068][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.552068][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.552068][ T10] [ 3604.553829][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3604.554163][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3604.554163][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.554163][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.554163][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.554163][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.554163][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.554163][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.554163][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.554163][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.554163][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.554163][ T10] netlink_unicast+0x449/0x710 [ 3604.554163][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.554163][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.554163][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.554163][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.554163][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.554163][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.554163][ T10] [ 3604.556167][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3604.556167][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.556167][ T10] ipv6_find_idev+0x102/0x170 [ 3604.556167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.556167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.556167][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.556167][ T10] netlink_unicast+0x449/0x710 [ 3604.556167][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.556167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.556167][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.556167][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.556167][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.556167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.556167][ T10] [ 3604.557819][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3604.557819][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.557819][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.557819][ T10] ipv6_find_idev+0x102/0x170 [ 3604.557819][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.557819][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.557819][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.557819][ T10] netlink_unicast+0x449/0x710 [ 3604.557819][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.557819][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.557819][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.557819][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.557819][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.557819][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.557819][ T10] [ 3604.559601][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3604.559943][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3604.559943][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.559943][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.559943][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.559943][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.559943][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.559943][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.559943][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.559943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.559943][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.559943][ T10] netlink_unicast+0x449/0x710 [ 3604.559943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.559943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.559943][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.559943][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.559943][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.559943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.559943][ T10] [ 3604.561943][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3604.561943][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.561943][ T10] ipv6_find_idev+0x102/0x170 [ 3604.561943][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.561943][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.561943][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.561943][ T10] netlink_unicast+0x449/0x710 [ 3604.561943][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.561943][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.561943][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.561943][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.561943][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.561943][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.561943][ T10] [ 3604.563665][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3604.563665][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.563665][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.563665][ T10] ipv6_find_idev+0x102/0x170 [ 3604.563665][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.563665][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.563665][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.563665][ T10] netlink_unicast+0x449/0x710 [ 3604.563665][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.563665][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.563665][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.563665][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.563665][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.563665][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.563665][ T10] [ 3604.565711][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3604.566051][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3604.566051][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.566051][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.566051][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.566051][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.566051][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.566051][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.566051][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.566051][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.566051][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.566051][ T10] netlink_unicast+0x449/0x710 [ 3604.566051][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.566051][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.566051][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.566051][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.566051][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.566051][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.566051][ T10] [ 3604.568221][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3604.568221][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.568221][ T10] ipv6_find_idev+0x102/0x170 [ 3604.568221][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.568221][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.568221][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.568221][ T10] netlink_unicast+0x449/0x710 [ 3604.568221][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.568221][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.568221][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.568221][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.568221][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.568221][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.568221][ T10] [ 3604.569939][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3604.569939][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.569939][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.569939][ T10] ipv6_find_idev+0x102/0x170 [ 3604.569939][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.569939][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.569939][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.569939][ T10] netlink_unicast+0x449/0x710 [ 3604.569939][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.569939][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.569939][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.569939][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.569939][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.569939][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.569939][ T10] [ 3604.571914][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3604.572232][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3604.572232][ T10] netdev_get_by_index+0x5e/0x80 [ 3604.572232][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3604.572232][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3604.572232][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3604.572232][ T10] ipv6_add_addr+0x411/0x2000 [ 3604.572232][ T10] inet6_addr_add+0x30e/0xa40 [ 3604.572232][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3604.572232][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.572232][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.572232][ T10] netlink_unicast+0x449/0x710 [ 3604.572232][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.572232][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.572232][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.572232][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.572232][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.572232][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.572232][ T10] [ 3604.574449][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3604.574449][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3604.574449][ T10] ipv6_find_idev+0x102/0x170 [ 3604.574449][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.574449][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.574449][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.574449][ T10] netlink_unicast+0x449/0x710 [ 3604.574449][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.574449][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.574449][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.574449][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.574449][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.574449][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.574449][ T10] [ 3604.576247][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3604.576247][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3604.576247][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3604.576247][ T10] ipv6_find_idev+0x102/0x170 [ 3604.576247][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3604.576247][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3604.576247][ T10] netlink_rcv_skb+0x130/0x360 [ 3604.576247][ T10] netlink_unicast+0x449/0x710 [ 3604.576247][ T10] netlink_sendmsg+0x723/0xbe0 [ 3604.576247][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3604.576247][ T10] ___sys_sendmsg+0xee/0x170 [ 3604.576247][ T10] __sys_sendmsg+0xcd/0x170 [ 3604.576247][ T10] do_syscall_64+0xc6/0x1e0 [ 3604.576247][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3604.576247][ T10] [ 3614.818981][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3614.819446][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3614.819446][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.819446][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.819446][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.819446][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.819446][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.819446][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.819446][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.819446][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.819446][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.819446][ T10] netlink_unicast+0x449/0x710 [ 3614.819446][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.819446][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.819446][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.819446][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.819446][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.819446][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.819446][ T10] [ 3614.821462][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3614.821462][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.821462][ T10] ipv6_find_idev+0x102/0x170 [ 3614.821462][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.821462][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.821462][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.821462][ T10] netlink_unicast+0x449/0x710 [ 3614.821462][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.821462][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.821462][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.821462][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.821462][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.821462][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.821462][ T10] [ 3614.822992][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3614.822992][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.822992][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.822992][ T10] ipv6_find_idev+0x102/0x170 [ 3614.822992][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.822992][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.822992][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.822992][ T10] netlink_unicast+0x449/0x710 [ 3614.822992][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.822992][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.822992][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.822992][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.822992][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.822992][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.822992][ T10] [ 3614.824664][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3614.824936][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3614.824936][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.824936][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.824936][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.824936][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.824936][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.824936][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.824936][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.824936][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.824936][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.824936][ T10] netlink_unicast+0x449/0x710 [ 3614.824936][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.824936][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.824936][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.824936][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.824936][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.824936][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.824936][ T10] [ 3614.826920][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3614.826920][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.826920][ T10] ipv6_find_idev+0x102/0x170 [ 3614.826920][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.826920][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.826920][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.826920][ T10] netlink_unicast+0x449/0x710 [ 3614.826920][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.826920][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.826920][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.826920][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.826920][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.826920][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.826920][ T10] [ 3614.828438][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3614.828438][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.828438][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.828438][ T10] ipv6_find_idev+0x102/0x170 [ 3614.828438][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.828438][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.828438][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.828438][ T10] netlink_unicast+0x449/0x710 [ 3614.828438][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.828438][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.828438][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.828438][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.828438][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.828438][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.828438][ T10] [ 3614.830097][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3614.830357][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3614.830357][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.830357][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.830357][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.830357][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.830357][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.830357][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.830357][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.830357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.830357][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.830357][ T10] netlink_unicast+0x449/0x710 [ 3614.830357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.830357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.830357][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.830357][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.830357][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.830357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.830357][ T10] [ 3614.832332][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3614.832332][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.832332][ T10] ipv6_find_idev+0x102/0x170 [ 3614.832332][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.832332][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.832332][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.832332][ T10] netlink_unicast+0x449/0x710 [ 3614.832332][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.832332][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.832332][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.832332][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.832332][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.832332][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.832332][ T10] [ 3614.833886][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3614.833886][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.833886][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.833886][ T10] ipv6_find_idev+0x102/0x170 [ 3614.833886][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.833886][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.833886][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.833886][ T10] netlink_unicast+0x449/0x710 [ 3614.833886][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.833886][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.833886][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.833886][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.833886][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.833886][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.833886][ T10] [ 3614.835553][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3614.835823][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3614.835823][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.835823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.835823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.835823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.835823][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.835823][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.835823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.835823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.835823][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.835823][ T10] netlink_unicast+0x449/0x710 [ 3614.835823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.835823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.835823][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.835823][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.835823][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.835823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.835823][ T10] [ 3614.837815][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3614.837815][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.837815][ T10] ipv6_find_idev+0x102/0x170 [ 3614.837815][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.837815][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.837815][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.837815][ T10] netlink_unicast+0x449/0x710 [ 3614.837815][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.837815][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.837815][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.837815][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.837815][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.837815][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.837815][ T10] [ 3614.839334][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3614.839334][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.839334][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.839334][ T10] ipv6_find_idev+0x102/0x170 [ 3614.839334][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.839334][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.839334][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.839334][ T10] netlink_unicast+0x449/0x710 [ 3614.839334][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.839334][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.839334][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.839334][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.839334][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.839334][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.839334][ T10] [ 3614.841396][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3614.841662][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3614.841662][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.841662][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.841662][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.841662][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.841662][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.841662][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.841662][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.841662][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.841662][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.841662][ T10] netlink_unicast+0x449/0x710 [ 3614.841662][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.841662][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.841662][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.841662][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.841662][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.841662][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.841662][ T10] [ 3614.843644][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3614.843644][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.843644][ T10] ipv6_find_idev+0x102/0x170 [ 3614.843644][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.843644][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.843644][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.843644][ T10] netlink_unicast+0x449/0x710 [ 3614.843644][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.843644][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.843644][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.843644][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.843644][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.843644][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.843644][ T10] [ 3614.845167][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3614.845167][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.845167][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.845167][ T10] ipv6_find_idev+0x102/0x170 [ 3614.845167][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.845167][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.845167][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.845167][ T10] netlink_unicast+0x449/0x710 [ 3614.845167][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.845167][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.845167][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.845167][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.845167][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.845167][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.845167][ T10] [ 3614.846899][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3614.847185][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3614.847185][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.847185][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.847185][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.847185][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.847185][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.847185][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.847185][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.847185][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.847185][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.847185][ T10] netlink_unicast+0x449/0x710 [ 3614.847185][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.847185][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.847185][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.847185][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.847185][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.847185][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.847185][ T10] [ 3614.849277][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3614.849277][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.849277][ T10] ipv6_find_idev+0x102/0x170 [ 3614.849277][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.849277][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.849277][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.849277][ T10] netlink_unicast+0x449/0x710 [ 3614.849277][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.849277][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.849277][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.849277][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.849277][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.849277][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.849277][ T10] [ 3614.850995][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3614.850995][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.850995][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.850995][ T10] ipv6_find_idev+0x102/0x170 [ 3614.850995][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.850995][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.850995][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.850995][ T10] netlink_unicast+0x449/0x710 [ 3614.850995][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.850995][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.850995][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.850995][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.850995][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.850995][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.850995][ T10] [ 3614.852940][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3614.853206][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3614.853206][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.853206][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.853206][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.853206][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.853206][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.853206][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.853206][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.853206][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.853206][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.853206][ T10] netlink_unicast+0x449/0x710 [ 3614.853206][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.853206][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.853206][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.853206][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.853206][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.853206][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.853206][ T10] [ 3614.855410][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3614.855410][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.855410][ T10] ipv6_find_idev+0x102/0x170 [ 3614.855410][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.855410][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.855410][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.855410][ T10] netlink_unicast+0x449/0x710 [ 3614.855410][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.855410][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.855410][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.855410][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.855410][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.855410][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.855410][ T10] [ 3614.857148][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3614.857148][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.857148][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.857148][ T10] ipv6_find_idev+0x102/0x170 [ 3614.857148][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.857148][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.857148][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.857148][ T10] netlink_unicast+0x449/0x710 [ 3614.857148][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.857148][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.857148][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.857148][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.857148][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.857148][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.857148][ T10] [ 3614.859039][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3614.859296][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3614.859296][ T10] netdev_get_by_index+0x5e/0x80 [ 3614.859296][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3614.859296][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3614.859296][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3614.859296][ T10] ipv6_add_addr+0x411/0x2000 [ 3614.859296][ T10] inet6_addr_add+0x30e/0xa40 [ 3614.859296][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3614.859296][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.859296][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.859296][ T10] netlink_unicast+0x449/0x710 [ 3614.859296][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.859296][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.859296][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.859296][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.859296][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.859296][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.859296][ T10] [ 3614.861500][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3614.861500][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3614.861500][ T10] ipv6_find_idev+0x102/0x170 [ 3614.861500][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.861500][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.861500][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.861500][ T10] netlink_unicast+0x449/0x710 [ 3614.861500][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.861500][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.861500][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.861500][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.861500][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.861500][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.861500][ T10] [ 3614.863307][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3614.863307][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3614.863307][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3614.863307][ T10] ipv6_find_idev+0x102/0x170 [ 3614.863307][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3614.863307][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3614.863307][ T10] netlink_rcv_skb+0x130/0x360 [ 3614.863307][ T10] netlink_unicast+0x449/0x710 [ 3614.863307][ T10] netlink_sendmsg+0x723/0xbe0 [ 3614.863307][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3614.863307][ T10] ___sys_sendmsg+0xee/0x170 [ 3614.863307][ T10] __sys_sendmsg+0xcd/0x170 [ 3614.863307][ T10] do_syscall_64+0xc6/0x1e0 [ 3614.863307][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3614.863307][ T10] [ 3625.106980][ T10] unregister_netdevice: waiting for ns1eth4 to become free. Usage count = 4 [ 3625.107383][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3625.107383][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.107383][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.107383][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.107383][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.107383][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.107383][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.107383][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.107383][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.107383][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.107383][ T10] netlink_unicast+0x449/0x710 [ 3625.107383][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.107383][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.107383][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.107383][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.107383][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.107383][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.107383][ T10] [ 3625.109366][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3625.109366][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.109366][ T10] ipv6_find_idev+0x102/0x170 [ 3625.109366][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.109366][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.109366][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.109366][ T10] netlink_unicast+0x449/0x710 [ 3625.109366][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.109366][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.109366][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.109366][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.109366][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.109366][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.109366][ T10] [ 3625.110893][ T10] ref_tracker: ns1eth4@ffff88800531c5c0 has 1/3 users at [ 3625.110893][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.110893][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.110893][ T10] ipv6_find_idev+0x102/0x170 [ 3625.110893][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.110893][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.110893][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.110893][ T10] netlink_unicast+0x449/0x710 [ 3625.110893][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.110893][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.110893][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.110893][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.110893][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.110893][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.110893][ T10] [ 3625.112561][ T10] unregister_netdevice: waiting for ns2eth4 to become free. Usage count = 4 [ 3625.112823][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3625.112823][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.112823][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.112823][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.112823][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.112823][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.112823][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.112823][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.112823][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.112823][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.112823][ T10] netlink_unicast+0x449/0x710 [ 3625.112823][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.112823][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.112823][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.112823][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.112823][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.112823][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.112823][ T10] [ 3625.114845][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3625.114845][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.114845][ T10] ipv6_find_idev+0x102/0x170 [ 3625.114845][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.114845][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.114845][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.114845][ T10] netlink_unicast+0x449/0x710 [ 3625.114845][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.114845][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.114845][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.114845][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.114845][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.114845][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.114845][ T10] [ 3625.116392][ T10] ref_tracker: ns2eth4@ffff88800535c5c0 has 1/3 users at [ 3625.116392][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.116392][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.116392][ T10] ipv6_find_idev+0x102/0x170 [ 3625.116392][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.116392][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.116392][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.116392][ T10] netlink_unicast+0x449/0x710 [ 3625.116392][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.116392][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.116392][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.116392][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.116392][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.116392][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.116392][ T10] [ 3625.118044][ T10] unregister_netdevice: waiting for ns1eth3 to become free. Usage count = 4 [ 3625.118302][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3625.118302][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.118302][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.118302][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.118302][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.118302][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.118302][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.118302][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.118302][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.118302][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.118302][ T10] netlink_unicast+0x449/0x710 [ 3625.118302][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.118302][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.118302][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.118302][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.118302][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.118302][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.118302][ T10] [ 3625.120276][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3625.120276][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.120276][ T10] ipv6_find_idev+0x102/0x170 [ 3625.120276][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.120276][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.120276][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.120276][ T10] netlink_unicast+0x449/0x710 [ 3625.120276][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.120276][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.120276][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.120276][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.120276][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.120276][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.120276][ T10] [ 3625.121802][ T10] ref_tracker: ns1eth3@ffff888005f095c0 has 1/3 users at [ 3625.121802][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.121802][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.121802][ T10] ipv6_find_idev+0x102/0x170 [ 3625.121802][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.121802][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.121802][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.121802][ T10] netlink_unicast+0x449/0x710 [ 3625.121802][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.121802][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.121802][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.121802][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.121802][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.121802][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.121802][ T10] [ 3625.123471][ T10] unregister_netdevice: waiting for ns2eth3 to become free. Usage count = 4 [ 3625.123728][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3625.123728][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.123728][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.123728][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.123728][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.123728][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.123728][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.123728][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.123728][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.123728][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.123728][ T10] netlink_unicast+0x449/0x710 [ 3625.123728][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.123728][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.123728][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.123728][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.123728][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.123728][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.123728][ T10] [ 3625.125735][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3625.125735][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.125735][ T10] ipv6_find_idev+0x102/0x170 [ 3625.125735][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.125735][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.125735][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.125735][ T10] netlink_unicast+0x449/0x710 [ 3625.125735][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.125735][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.125735][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.125735][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.125735][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.125735][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.125735][ T10] [ 3625.127367][ T10] ref_tracker: ns2eth3@ffff8880062445c0 has 1/3 users at [ 3625.127367][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.127367][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.127367][ T10] ipv6_find_idev+0x102/0x170 [ 3625.127367][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.127367][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.127367][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.127367][ T10] netlink_unicast+0x449/0x710 [ 3625.127367][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.127367][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.127367][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.127367][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.127367][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.127367][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.127367][ T10] [ 3625.129102][ T10] unregister_netdevice: waiting for ns1eth2 to become free. Usage count = 4 [ 3625.129372][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3625.129372][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.129372][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.129372][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.129372][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.129372][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.129372][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.129372][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.129372][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.129372][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.129372][ T10] netlink_unicast+0x449/0x710 [ 3625.129372][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.129372][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.129372][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.129372][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.129372][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.129372][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.129372][ T10] [ 3625.131357][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3625.131357][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.131357][ T10] ipv6_find_idev+0x102/0x170 [ 3625.131357][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.131357][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.131357][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.131357][ T10] netlink_unicast+0x449/0x710 [ 3625.131357][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.131357][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.131357][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.131357][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.131357][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.131357][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.131357][ T10] [ 3625.132958][ T10] ref_tracker: ns1eth2@ffff88800354c5c0 has 1/3 users at [ 3625.132958][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.132958][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.132958][ T10] ipv6_find_idev+0x102/0x170 [ 3625.132958][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.132958][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.132958][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.132958][ T10] netlink_unicast+0x449/0x710 [ 3625.132958][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.132958][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.132958][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.132958][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.132958][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.132958][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.132958][ T10] [ 3625.134957][ T10] unregister_netdevice: waiting for ns2eth2 to become free. Usage count = 4 [ 3625.135235][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3625.135235][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.135235][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.135235][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.135235][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.135235][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.135235][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.135235][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.135235][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.135235][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.135235][ T10] netlink_unicast+0x449/0x710 [ 3625.135235][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.135235][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.135235][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.135235][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.135235][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.135235][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.135235][ T10] [ 3625.137491][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3625.137491][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.137491][ T10] ipv6_find_idev+0x102/0x170 [ 3625.137491][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.137491][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.137491][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.137491][ T10] netlink_unicast+0x449/0x710 [ 3625.137491][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.137491][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.137491][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.137491][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.137491][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.137491][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.137491][ T10] [ 3625.139195][ T10] ref_tracker: ns2eth2@ffff8880035495c0 has 1/3 users at [ 3625.139195][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.139195][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.139195][ T10] ipv6_find_idev+0x102/0x170 [ 3625.139195][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.139195][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.139195][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.139195][ T10] netlink_unicast+0x449/0x710 [ 3625.139195][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.139195][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.139195][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.139195][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.139195][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.139195][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.139195][ T10] [ 3625.141091][ T10] unregister_netdevice: waiting for ns1eth1 to become free. Usage count = 4 [ 3625.141364][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3625.141364][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.141364][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.141364][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.141364][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.141364][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.141364][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.141364][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.141364][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.141364][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.141364][ T10] netlink_unicast+0x449/0x710 [ 3625.141364][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.141364][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.141364][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.141364][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.141364][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.141364][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.141364][ T10] [ 3625.143570][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3625.143570][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.143570][ T10] ipv6_find_idev+0x102/0x170 [ 3625.143570][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.143570][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.143570][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.143570][ T10] netlink_unicast+0x449/0x710 [ 3625.143570][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.143570][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.143570][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.143570][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.143570][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.143570][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.143570][ T10] [ 3625.145343][ T10] ref_tracker: ns1eth1@ffff8880071dc5c0 has 1/3 users at [ 3625.145343][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.145343][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.145343][ T10] ipv6_find_idev+0x102/0x170 [ 3625.145343][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.145343][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.145343][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.145343][ T10] netlink_unicast+0x449/0x710 [ 3625.145343][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.145343][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.145343][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.145343][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.145343][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.145343][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.145343][ T10] [ 3625.147267][ T10] unregister_netdevice: waiting for ns2eth1 to become free. Usage count = 4 [ 3625.147552][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3625.147552][ T10] netdev_get_by_index+0x5e/0x80 [ 3625.147552][ T10] fib6_nh_init+0x3d8/0x15b0 [ 3625.147552][ T10] ip6_route_info_create+0xf18/0x17d0 [ 3625.147552][ T10] addrconf_f6i_alloc+0x244/0x410 [ 3625.147552][ T10] ipv6_add_addr+0x411/0x2000 [ 3625.147552][ T10] inet6_addr_add+0x30e/0xa40 [ 3625.147552][ T10] inet6_rtm_newaddr+0x560/0x6b0 [ 3625.147552][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.147552][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.147552][ T10] netlink_unicast+0x449/0x710 [ 3625.147552][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.147552][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.147552][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.147552][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.147552][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.147552][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.147552][ T10] [ 3625.149770][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3625.149770][ T10] ipv6_add_dev+0x3ba/0x11c0 [ 3625.149770][ T10] ipv6_find_idev+0x102/0x170 [ 3625.149770][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.149770][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.149770][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.149770][ T10] netlink_unicast+0x449/0x710 [ 3625.149770][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.149770][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.149770][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.149770][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.149770][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.149770][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.149770][ T10] [ 3625.151470][ T10] ref_tracker: ns2eth1@ffff8880060295c0 has 1/3 users at [ 3625.151470][ T10] neigh_parms_alloc+0x1e5/0x510 [ 3625.151470][ T10] ipv6_add_dev+0x2fe/0x11c0 [ 3625.151470][ T10] ipv6_find_idev+0x102/0x170 [ 3625.151470][ T10] inet6_rtm_newaddr+0x37c/0x6b0 [ 3625.151470][ T10] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 3625.151470][ T10] netlink_rcv_skb+0x130/0x360 [ 3625.151470][ T10] netlink_unicast+0x449/0x710 [ 3625.151470][ T10] netlink_sendmsg+0x723/0xbe0 [ 3625.151470][ T10] ____sys_sendmsg+0x7b2/0xa10 [ 3625.151470][ T10] ___sys_sendmsg+0xee/0x170 [ 3625.151470][ T10] __sys_sendmsg+0xcd/0x170 [ 3625.151470][ T10] do_syscall_64+0xc6/0x1e0 [ 3625.151470][ T10] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 3625.151470][ T10]